Update vendor

vendor/github.com/mattermost/mattermost-server/v6/model/access.go

@@ -0,0 +1,72 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"net/http"
+)
+
+const (
+	AccessTokenGrantType  = "authorization_code"
+	AccessTokenType       = "bearer"
+	RefreshTokenGrantType = "refresh_token"
+)
+
+type AccessData struct {
+	ClientId     string `json:"client_id"`
+	UserId       string `json:"user_id"`
+	Token        string `json:"token"`
+	RefreshToken string `json:"refresh_token"`
+	RedirectUri  string `json:"redirect_uri"`
+	ExpiresAt    int64  `json:"expires_at"`
+	Scope        string `json:"scope"`
+}
+
+type AccessResponse struct {
+	AccessToken  string `json:"access_token"`
+	TokenType    string `json:"token_type"`
+	ExpiresIn    int32  `json:"expires_in"`
+	Scope        string `json:"scope"`
+	RefreshToken string `json:"refresh_token"`
+	IdToken      string `json:"id_token"`
+}
+
+// IsValid validates the AccessData and returns an error if it isn't configured
+// correctly.
+func (ad *AccessData) IsValid() *AppError {
+	if ad.ClientId == "" || len(ad.ClientId) > 26 {
+		return NewAppError("AccessData.IsValid", "model.access.is_valid.client_id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if ad.UserId == "" || len(ad.UserId) > 26 {
+		return NewAppError("AccessData.IsValid", "model.access.is_valid.user_id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if len(ad.Token) != 26 {
+		return NewAppError("AccessData.IsValid", "model.access.is_valid.access_token.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if len(ad.RefreshToken) > 26 {
+		return NewAppError("AccessData.IsValid", "model.access.is_valid.refresh_token.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if ad.RedirectUri == "" || len(ad.RedirectUri) > 256 || !IsValidHTTPURL(ad.RedirectUri) {
+		return NewAppError("AccessData.IsValid", "model.access.is_valid.redirect_uri.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	return nil
+}
+
+func (ad *AccessData) IsExpired() bool {
+
+	if ad.ExpiresAt <= 0 {
+		return false
+	}
+
+	if GetMillis() > ad.ExpiresAt {
+		return true
+	}
+
+	return false
+}

vendor/github.com/mattermost/mattermost-server/v6/model/analytics_row.go

@@ -0,0 +1,11 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+type AnalyticsRow struct {
+	Name  string  `json:"name"`
+	Value float64 `json:"value"`
+}
+
+type AnalyticsRows []*AnalyticsRow

vendor/github.com/mattermost/mattermost-server/v6/model/audit.go

@@ -0,0 +1,14 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+type Audit struct {
+	Id        string `json:"id"`
+	CreateAt  int64  `json:"create_at"`
+	UserId    string `json:"user_id"`
+	Action    string `json:"action"`
+	ExtraInfo string `json:"extra_info"`
+	IpAddress string `json:"ip_address"`
+	SessionId string `json:"session_id"`
+}

vendor/github.com/mattermost/mattermost-server/v6/model/auditconv.go

@@ -0,0 +1,713 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"github.com/francoispqt/gojay"
+)
+
+// AuditModelTypeConv converts key model types to something better suited for audit output.
+func AuditModelTypeConv(val interface{}) (newVal interface{}, converted bool) {
+	if val == nil {
+		return nil, false
+	}
+	switch v := val.(type) {
+	case *Channel:
+		return newAuditChannel(v), true
+	case *Team:
+		return newAuditTeam(v), true
+	case *User:
+		return newAuditUser(v), true
+	case *Command:
+		return newAuditCommand(v), true
+	case *CommandArgs:
+		return newAuditCommandArgs(v), true
+	case *Bot:
+		return newAuditBot(v), true
+	case *ChannelModerationPatch:
+		return newAuditChannelModerationPatch(v), true
+	case *Emoji:
+		return newAuditEmoji(v), true
+	case *FileInfo:
+		return newAuditFileInfo(v), true
+	case *Group:
+		return newAuditGroup(v), true
+	case *Job:
+		return newAuditJob(v), true
+	case *OAuthApp:
+		return newAuditOAuthApp(v), true
+	case *Post:
+		return newAuditPost(v), true
+	case *Role:
+		return newAuditRole(v), true
+	case *Scheme:
+		return newAuditScheme(v), true
+	case *SchemeRoles:
+		return newAuditSchemeRoles(v), true
+	case *Session:
+		return newAuditSession(v), true
+	case *IncomingWebhook:
+		return newAuditIncomingWebhook(v), true
+	case *OutgoingWebhook:
+		return newAuditOutgoingWebhook(v), true
+	case *RemoteCluster:
+		return newRemoteCluster(v), true
+	}
+	return val, false
+}
+
+type auditChannel struct {
+	ID   string
+	Name string
+	Type ChannelType
+}
+
+// newAuditChannel creates a simplified representation of Channel for output to audit log.
+func newAuditChannel(c *Channel) auditChannel {
+	var channel auditChannel
+	if c != nil {
+		channel.ID = c.Id
+		channel.Name = c.Name
+		channel.Type = c.Type
+	}
+	return channel
+}
+
+func (c auditChannel) MarshalJSONObject(enc *gojay.Encoder) {
+	enc.StringKey("id", c.ID)
+	enc.StringKey("name", c.Name)
+	enc.StringKey("type", string(c.Type))
+}
+
+func (c auditChannel) IsNil() bool {
+	return false
+}
+
+type auditTeam struct {
+	ID   string
+	Name string
+	Type string
+}
+
+// newAuditTeam creates a simplified representation of Team for output to audit log.
+func newAuditTeam(t *Team) auditTeam {
+	var team auditTeam
+	if t != nil {
+		team.ID = t.Id
+		team.Name = t.Name
+		team.Type = t.Type
+	}
+	return team
+}
+
+func (t auditTeam) MarshalJSONObject(enc *gojay.Encoder) {
+	enc.StringKey("id", t.ID)
+	enc.StringKey("name", t.Name)
+	enc.StringKey("type", t.Type)
+}
+
+func (t auditTeam) IsNil() bool {
+	return false
+}
+
+type auditUser struct {
+	ID    string
+	Name  string
+	Roles string
+}
+
+// newAuditUser creates a simplified representation of User for output to audit log.
+func newAuditUser(u *User) auditUser {
+	var user auditUser
+	if u != nil {
+		user.ID = u.Id
+		user.Name = u.Username
+		user.Roles = u.Roles
+	}
+	return user
+}
+
+func (u auditUser) MarshalJSONObject(enc *gojay.Encoder) {
+	enc.StringKey("id", u.ID)
+	enc.StringKey("name", u.Name)
+	enc.StringKey("roles", u.Roles)
+}
+
+func (u auditUser) IsNil() bool {
+	return false
+}
+
+type auditCommand struct {
+	ID               string
+	CreatorID        string
+	TeamID           string
+	Trigger          string
+	Method           string
+	Username         string
+	IconURL          string
+	AutoComplete     bool
+	AutoCompleteDesc string
+	AutoCompleteHint string
+	DisplayName      string
+	Description      string
+	URL              string
+}
+
+// newAuditCommand creates a simplified representation of Command for output to audit log.
+func newAuditCommand(c *Command) auditCommand {
+	var cmd auditCommand
+	if c != nil {
+		cmd.ID = c.Id
+		cmd.CreatorID = c.CreatorId
+		cmd.TeamID = c.TeamId
+		cmd.Trigger = c.Trigger
+		cmd.Method = c.Method
+		cmd.Username = c.Username
+		cmd.IconURL = c.IconURL
+		cmd.AutoComplete = c.AutoComplete
+		cmd.AutoCompleteDesc = c.AutoCompleteDesc
+		cmd.AutoCompleteHint = c.AutoCompleteHint
+		cmd.DisplayName = c.DisplayName
+		cmd.Description = c.Description
+		cmd.URL = c.URL
+	}
+	return cmd
+}
+
+func (cmd auditCommand) MarshalJSONObject(enc *gojay.Encoder) {
+	enc.StringKey("id", cmd.ID)
+	enc.StringKey("creator_id", cmd.CreatorID)
+	enc.StringKey("team_id", cmd.TeamID)
+	enc.StringKey("trigger", cmd.Trigger)
+	enc.StringKey("method", cmd.Method)
+	enc.StringKey("username", cmd.Username)
+	enc.StringKey("icon_url", cmd.IconURL)
+	enc.BoolKey("auto_complete", cmd.AutoComplete)
+	enc.StringKey("auto_complete_desc", cmd.AutoCompleteDesc)
+	enc.StringKey("auto_complete_hint", cmd.AutoCompleteHint)
+	enc.StringKey("display", cmd.DisplayName)
+	enc.StringKey("desc", cmd.Description)
+	enc.StringKey("url", cmd.URL)
+}
+
+func (cmd auditCommand) IsNil() bool {
+	return false
+}
+
+type auditCommandArgs struct {
+	ChannelID string
+	TeamID    string
+	TriggerID string
+	Command   string
+}
+
+// newAuditCommandArgs creates a simplified representation of CommandArgs for output to audit log.
+func newAuditCommandArgs(ca *CommandArgs) auditCommandArgs {
+	var cmdargs auditCommandArgs
+	if ca != nil {
+		cmdargs.ChannelID = ca.ChannelId
+		cmdargs.TeamID = ca.TeamId
+		cmdargs.TriggerID = ca.TriggerId
+		cmdargs.Command = ca.Command
+	}
+	return cmdargs
+}
+
+func (ca auditCommandArgs) MarshalJSONObject(enc *gojay.Encoder) {
+	enc.StringKey("channel_id", ca.ChannelID)
+	enc.StringKey("team_id", ca.TriggerID)
+	enc.StringKey("trigger_id", ca.TeamID)
+	enc.StringKey("command", ca.Command)
+}
+
+func (ca auditCommandArgs) IsNil() bool {
+	return false
+}
+
+type auditBot struct {
+	UserID      string
+	Username    string
+	Displayname string
+}
+
+// newAuditBot creates a simplified representation of Bot for output to audit log.
+func newAuditBot(b *Bot) auditBot {
+	var bot auditBot
+	if b != nil {
+		bot.UserID = b.UserId
+		bot.Username = b.Username
+		bot.Displayname = b.DisplayName
+	}
+	return bot
+}
+
+func (b auditBot) MarshalJSONObject(enc *gojay.Encoder) {
+	enc.StringKey("user_id", b.UserID)
+	enc.StringKey("username", b.Username)
+	enc.StringKey("display", b.Displayname)
+}
+
+func (b auditBot) IsNil() bool {
+	return false
+}
+
+type auditChannelModerationPatch struct {
+	Name        string
+	RoleGuests  bool
+	RoleMembers bool
+}
+
+// newAuditChannelModerationPatch creates a simplified representation of ChannelModerationPatch for output to audit log.
+func newAuditChannelModerationPatch(p *ChannelModerationPatch) auditChannelModerationPatch {
+	var patch auditChannelModerationPatch
+	if p != nil {
+		if p.Name != nil {
+			patch.Name = *p.Name
+		}
+		if p.Roles.Guests != nil {
+			patch.RoleGuests = *p.Roles.Guests
+		}
+		if p.Roles.Members != nil {
+			patch.RoleMembers = *p.Roles.Members
+		}
+	}
+	return patch
+}
+
+func (p auditChannelModerationPatch) MarshalJSONObject(enc *gojay.Encoder) {
+	enc.StringKey("name", p.Name)
+	enc.BoolKey("role_guests", p.RoleGuests)
+	enc.BoolKey("role_members", p.RoleMembers)
+}
+
+func (p auditChannelModerationPatch) IsNil() bool {
+	return false
+}
+
+type auditEmoji struct {
+	ID   string
+	Name string
+}
+
+// newAuditEmoji creates a simplified representation of Emoji for output to audit log.
+func newAuditEmoji(e *Emoji) auditEmoji {
+	var emoji auditEmoji
+	if e != nil {
+		emoji.ID = e.Id
+		emoji.Name = e.Name
+	}
+	return emoji
+}
+
+func (e auditEmoji) MarshalJSONObject(enc *gojay.Encoder) {
+	enc.StringKey("id", e.ID)
+	enc.StringKey("name", e.Name)
+}
+
+func (e auditEmoji) IsNil() bool {
+	return false
+}
+
+type auditFileInfo struct {
+	ID        string
+	PostID    string
+	Path      string
+	Name      string
+	Extension string
+	Size      int64
+}
+
+// newAuditFileInfo creates a simplified representation of FileInfo for output to audit log.
+func newAuditFileInfo(f *FileInfo) auditFileInfo {
+	var fi auditFileInfo
+	if f != nil {
+		fi.ID = f.Id
+		fi.PostID = f.PostId
+		fi.Path = f.Path
+		fi.Name = f.Name
+		fi.Extension = f.Extension
+		fi.Size = f.Size
+	}
+	return fi
+}
+
+func (fi auditFileInfo) MarshalJSONObject(enc *gojay.Encoder) {
+	enc.StringKey("id", fi.ID)
+	enc.StringKey("post_id", fi.PostID)
+	enc.StringKey("path", fi.Path)
+	enc.StringKey("name", fi.Name)
+	enc.StringKey("ext", fi.Extension)
+	enc.Int64Key("size", fi.Size)
+}
+
+func (fi auditFileInfo) IsNil() bool {
+	return false
+}
+
+type auditGroup struct {
+	ID          string
+	Name        string
+	DisplayName string
+	Description string
+}
+
+// newAuditGroup creates a simplified representation of Group for output to audit log.
+func newAuditGroup(g *Group) auditGroup {
+	var group auditGroup
+	if g != nil {
+		group.ID = g.Id
+		if g.Name == nil {
+			group.Name = ""
+		} else {
+			group.Name = *g.Name
+		}
+		group.DisplayName = g.DisplayName
+		group.Description = g.Description
+	}
+	return group
+}
+
+func (g auditGroup) MarshalJSONObject(enc *gojay.Encoder) {
+	enc.StringKey("id", g.ID)
+	enc.StringKey("name", g.Name)
+	enc.StringKey("display", g.DisplayName)
+	enc.StringKey("desc", g.Description)
+}
+
+func (g auditGroup) IsNil() bool {
+	return false
+}
+
+type auditJob struct {
+	ID       string
+	Type     string
+	Priority int64
+	StartAt  int64
+}
+
+// newAuditJob creates a simplified representation of Job for output to audit log.
+func newAuditJob(j *Job) auditJob {
+	var job auditJob
+	if j != nil {
+		job.ID = j.Id
+		job.Type = j.Type
+		job.Priority = j.Priority
+		job.StartAt = j.StartAt
+	}
+	return job
+}
+
+func (j auditJob) MarshalJSONObject(enc *gojay.Encoder) {
+	enc.StringKey("id", j.ID)
+	enc.StringKey("type", j.Type)
+	enc.Int64Key("priority", j.Priority)
+	enc.Int64Key("start_at", j.StartAt)
+}
+
+func (j auditJob) IsNil() bool {
+	return false
+}
+
+type auditOAuthApp struct {
+	ID          string
+	CreatorID   string
+	Name        string
+	Description string
+	IsTrusted   bool
+}
+
+// newAuditOAuthApp creates a simplified representation of OAuthApp for output to audit log.
+func newAuditOAuthApp(o *OAuthApp) auditOAuthApp {
+	var oauth auditOAuthApp
+	if o != nil {
+		oauth.ID = o.Id
+		oauth.CreatorID = o.CreatorId
+		oauth.Name = o.Name
+		oauth.Description = o.Description
+		oauth.IsTrusted = o.IsTrusted
+	}
+	return oauth
+}
+
+func (o auditOAuthApp) MarshalJSONObject(enc *gojay.Encoder) {
+	enc.StringKey("id", o.ID)
+	enc.StringKey("creator_id", o.CreatorID)
+	enc.StringKey("name", o.Name)
+	enc.StringKey("desc", o.Description)
+	enc.BoolKey("trusted", o.IsTrusted)
+}
+
+func (o auditOAuthApp) IsNil() bool {
+	return false
+}
+
+type auditPost struct {
+	ID        string
+	ChannelID string
+	Type      string
+	IsPinned  bool
+}
+
+// newAuditPost creates a simplified representation of Post for output to audit log.
+func newAuditPost(p *Post) auditPost {
+	var post auditPost
+	if p != nil {
+		post.ID = p.Id
+		post.ChannelID = p.ChannelId
+		post.Type = p.Type
+		post.IsPinned = p.IsPinned
+	}
+	return post
+}
+
+func (p auditPost) MarshalJSONObject(enc *gojay.Encoder) {
+	enc.StringKey("id", p.ID)
+	enc.StringKey("channel_id", p.ChannelID)
+	enc.StringKey("type", p.Type)
+	enc.BoolKey("pinned", p.IsPinned)
+}
+
+func (p auditPost) IsNil() bool {
+	return false
+}
+
+type auditRole struct {
+	ID            string
+	Name          string
+	DisplayName   string
+	Permissions   []string
+	SchemeManaged bool
+	BuiltIn       bool
+}
+
+// newAuditRole creates a simplified representation of Role for output to audit log.
+func newAuditRole(r *Role) auditRole {
+	var role auditRole
+	if r != nil {
+		role.ID = r.Id
+		role.Name = r.Name
+		role.DisplayName = r.DisplayName
+		role.Permissions = append(role.Permissions, r.Permissions...)
+		role.SchemeManaged = r.SchemeManaged
+		role.BuiltIn = r.BuiltIn
+	}
+	return role
+}
+
+func (r auditRole) MarshalJSONObject(enc *gojay.Encoder) {
+	enc.StringKey("id", r.ID)
+	enc.StringKey("name", r.Name)
+	enc.StringKey("display", r.DisplayName)
+	enc.SliceStringKey("perms", r.Permissions)
+	enc.BoolKey("schemeManaged", r.SchemeManaged)
+	enc.BoolKey("builtin", r.BuiltIn)
+}
+
+func (r auditRole) IsNil() bool {
+	return false
+}
+
+type auditScheme struct {
+	ID          string
+	Name        string
+	DisplayName string
+	Scope       string
+}
+
+// newAuditScheme creates a simplified representation of Scheme for output to audit log.
+func newAuditScheme(s *Scheme) auditScheme {
+	var scheme auditScheme
+	if s != nil {
+		scheme.ID = s.Id
+		scheme.Name = s.Name
+		scheme.DisplayName = s.DisplayName
+		scheme.Scope = s.Scope
+	}
+	return scheme
+}
+
+func (s auditScheme) MarshalJSONObject(enc *gojay.Encoder) {
+	enc.StringKey("id", s.ID)
+	enc.StringKey("name", s.Name)
+	enc.StringKey("display", s.DisplayName)
+	enc.StringKey("scope", s.Scope)
+}
+
+func (s auditScheme) IsNil() bool {
+	return false
+}
+
+type auditSchemeRoles struct {
+	SchemeAdmin bool
+	SchemeUser  bool
+	SchemeGuest bool
+}
+
+// newAuditSchemeRoles creates a simplified representation of SchemeRoles for output to audit log.
+func newAuditSchemeRoles(s *SchemeRoles) auditSchemeRoles {
+	var roles auditSchemeRoles
+	if s != nil {
+		roles.SchemeAdmin = s.SchemeAdmin
+		roles.SchemeUser = s.SchemeUser
+		roles.SchemeGuest = s.SchemeGuest
+	}
+	return roles
+}
+
+func (s auditSchemeRoles) MarshalJSONObject(enc *gojay.Encoder) {
+	enc.BoolKey("admin", s.SchemeAdmin)
+	enc.BoolKey("user", s.SchemeUser)
+	enc.BoolKey("guest", s.SchemeGuest)
+}
+
+func (s auditSchemeRoles) IsNil() bool {
+	return false
+}
+
+type auditSession struct {
+	ID       string
+	UserId   string
+	DeviceId string
+}
+
+// newAuditSession creates a simplified representation of Session for output to audit log.
+func newAuditSession(s *Session) auditSession {
+	var session auditSession
+	if s != nil {
+		session.ID = s.Id
+		session.UserId = s.UserId
+		session.DeviceId = s.DeviceId
+	}
+	return session
+}
+
+func (s auditSession) MarshalJSONObject(enc *gojay.Encoder) {
+	enc.StringKey("id", s.ID)
+	enc.StringKey("user_id", s.UserId)
+	enc.StringKey("device_id", s.DeviceId)
+}
+
+func (s auditSession) IsNil() bool {
+	return false
+}
+
+type auditIncomingWebhook struct {
+	ID          string
+	ChannelID   string
+	TeamId      string
+	DisplayName string
+	Description string
+}
+
+// newAuditIncomingWebhook creates a simplified representation of IncomingWebhook for output to audit log.
+func newAuditIncomingWebhook(h *IncomingWebhook) auditIncomingWebhook {
+	var hook auditIncomingWebhook
+	if h != nil {
+		hook.ID = h.Id
+		hook.ChannelID = h.ChannelId
+		hook.TeamId = h.TeamId
+		hook.DisplayName = h.DisplayName
+		hook.Description = h.Description
+	}
+	return hook
+}
+
+func (h auditIncomingWebhook) MarshalJSONObject(enc *gojay.Encoder) {
+	enc.StringKey("id", h.ID)
+	enc.StringKey("channel_id", h.ChannelID)
+	enc.StringKey("team_id", h.TeamId)
+	enc.StringKey("display", h.DisplayName)
+	enc.StringKey("desc", h.Description)
+}
+
+func (h auditIncomingWebhook) IsNil() bool {
+	return false
+}
+
+type auditOutgoingWebhook struct {
+	ID           string
+	ChannelID    string
+	TeamID       string
+	TriggerWords StringArray
+	TriggerWhen  int
+	DisplayName  string
+	Description  string
+	ContentType  string
+	Username     string
+}
+
+// newAuditOutgoingWebhook creates a simplified representation of OutgoingWebhook for output to audit log.
+func newAuditOutgoingWebhook(h *OutgoingWebhook) auditOutgoingWebhook {
+	var hook auditOutgoingWebhook
+	if h != nil {
+		hook.ID = h.Id
+		hook.ChannelID = h.ChannelId
+		hook.TeamID = h.TeamId
+		hook.TriggerWords = h.TriggerWords
+		hook.TriggerWhen = h.TriggerWhen
+		hook.DisplayName = h.DisplayName
+		hook.Description = h.Description
+		hook.ContentType = h.ContentType
+		hook.Username = h.Username
+	}
+	return hook
+}
+
+func (h auditOutgoingWebhook) MarshalJSONObject(enc *gojay.Encoder) {
+	enc.StringKey("id", h.ID)
+	enc.StringKey("channel_id", h.ChannelID)
+	enc.StringKey("team_id", h.TeamID)
+	enc.SliceStringKey("trigger_words", h.TriggerWords)
+	enc.IntKey("trigger_when", h.TriggerWhen)
+	enc.StringKey("display", h.DisplayName)
+	enc.StringKey("desc", h.Description)
+	enc.StringKey("content_type", h.ContentType)
+	enc.StringKey("username", h.Username)
+}
+
+func (h auditOutgoingWebhook) IsNil() bool {
+	return false
+}
+
+type auditRemoteCluster struct {
+	RemoteId     string
+	RemoteTeamId string
+	Name         string
+	DisplayName  string
+	SiteURL      string
+	CreateAt     int64
+	LastPingAt   int64
+	CreatorId    string
+}
+
+// newRemoteCluster creates a simplified representation of RemoteCluster for output to audit log.
+func newRemoteCluster(r *RemoteCluster) auditRemoteCluster {
+	var rc auditRemoteCluster
+	if r != nil {
+		rc.RemoteId = r.RemoteId
+		rc.RemoteTeamId = r.RemoteTeamId
+		rc.Name = r.Name
+		rc.DisplayName = r.DisplayName
+		rc.SiteURL = r.SiteURL
+		rc.CreateAt = r.CreateAt
+		rc.LastPingAt = r.LastPingAt
+		rc.CreatorId = r.CreatorId
+	}
+	return rc
+}
+
+func (r auditRemoteCluster) MarshalJSONObject(enc *gojay.Encoder) {
+	enc.StringKey("remote_id", r.RemoteId)
+	enc.StringKey("remote_team_id", r.RemoteTeamId)
+	enc.StringKey("name", r.Name)
+	enc.StringKey("display_name", r.DisplayName)
+	enc.StringKey("site_url", r.SiteURL)
+	enc.Int64Key("create_at", r.CreateAt)
+	enc.Int64Key("last_ping_at", r.LastPingAt)
+	enc.StringKey("creator_id", r.CreatorId)
+}
+
+func (r auditRemoteCluster) IsNil() bool {
+	return false
+}

vendor/github.com/mattermost/mattermost-server/v6/model/audits.go

@@ -0,0 +1,14 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+type Audits []Audit
+
+func (o Audits) Etag() string {
+	if len(o) > 0 {
+		// the first in the list is always the most current
+		return Etag(o[0].CreateAt)
+	}
+	return ""
+}

vendor/github.com/mattermost/mattermost-server/v6/model/authorize.go

@@ -0,0 +1,118 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"net/http"
+)
+
+const (
+	AuthCodeExpireTime   = 60 * 10 // 10 minutes
+	AuthCodeResponseType = "code"
+	ImplicitResponseType = "token"
+	DefaultScope         = "user"
+)
+
+type AuthData struct {
+	ClientId    string `json:"client_id"`
+	UserId      string `json:"user_id"`
+	Code        string `json:"code"`
+	ExpiresIn   int32  `json:"expires_in"`
+	CreateAt    int64  `json:"create_at"`
+	RedirectUri string `json:"redirect_uri"`
+	State       string `json:"state"`
+	Scope       string `json:"scope"`
+}
+
+type AuthorizeRequest struct {
+	ResponseType string `json:"response_type"`
+	ClientId     string `json:"client_id"`
+	RedirectURI  string `json:"redirect_uri"`
+	Scope        string `json:"scope"`
+	State        string `json:"state"`
+}
+
+// IsValid validates the AuthData and returns an error if it isn't configured
+// correctly.
+func (ad *AuthData) IsValid() *AppError {
+
+	if !IsValidId(ad.ClientId) {
+		return NewAppError("AuthData.IsValid", "model.authorize.is_valid.client_id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if !IsValidId(ad.UserId) {
+		return NewAppError("AuthData.IsValid", "model.authorize.is_valid.user_id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if ad.Code == "" || len(ad.Code) > 128 {
+		return NewAppError("AuthData.IsValid", "model.authorize.is_valid.auth_code.app_error", nil, "client_id="+ad.ClientId, http.StatusBadRequest)
+	}
+
+	if ad.ExpiresIn == 0 {
+		return NewAppError("AuthData.IsValid", "model.authorize.is_valid.expires.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if ad.CreateAt <= 0 {
+		return NewAppError("AuthData.IsValid", "model.authorize.is_valid.create_at.app_error", nil, "client_id="+ad.ClientId, http.StatusBadRequest)
+	}
+
+	if len(ad.RedirectUri) > 256 || !IsValidHTTPURL(ad.RedirectUri) {
+		return NewAppError("AuthData.IsValid", "model.authorize.is_valid.redirect_uri.app_error", nil, "client_id="+ad.ClientId, http.StatusBadRequest)
+	}
+
+	if len(ad.State) > 1024 {
+		return NewAppError("AuthData.IsValid", "model.authorize.is_valid.state.app_error", nil, "client_id="+ad.ClientId, http.StatusBadRequest)
+	}
+
+	if len(ad.Scope) > 128 {
+		return NewAppError("AuthData.IsValid", "model.authorize.is_valid.scope.app_error", nil, "client_id="+ad.ClientId, http.StatusBadRequest)
+	}
+
+	return nil
+}
+
+// IsValid validates the AuthorizeRequest and returns an error if it isn't configured
+// correctly.
+func (ar *AuthorizeRequest) IsValid() *AppError {
+
+	if !IsValidId(ar.ClientId) {
+		return NewAppError("AuthData.IsValid", "model.authorize.is_valid.client_id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if ar.ResponseType == "" {
+		return NewAppError("AuthData.IsValid", "model.authorize.is_valid.response_type.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if ar.RedirectURI == "" || len(ar.RedirectURI) > 256 || !IsValidHTTPURL(ar.RedirectURI) {
+		return NewAppError("AuthData.IsValid", "model.authorize.is_valid.redirect_uri.app_error", nil, "client_id="+ar.ClientId, http.StatusBadRequest)
+	}
+
+	if len(ar.State) > 1024 {
+		return NewAppError("AuthData.IsValid", "model.authorize.is_valid.state.app_error", nil, "client_id="+ar.ClientId, http.StatusBadRequest)
+	}
+
+	if len(ar.Scope) > 128 {
+		return NewAppError("AuthData.IsValid", "model.authorize.is_valid.scope.app_error", nil, "client_id="+ar.ClientId, http.StatusBadRequest)
+	}
+
+	return nil
+}
+
+func (ad *AuthData) PreSave() {
+	if ad.ExpiresIn == 0 {
+		ad.ExpiresIn = AuthCodeExpireTime
+	}
+
+	if ad.CreateAt == 0 {
+		ad.CreateAt = GetMillis()
+	}
+
+	if ad.Scope == "" {
+		ad.Scope = DefaultScope
+	}
+}
+
+func (ad *AuthData) IsExpired() bool {
+	return GetMillis() > ad.CreateAt+int64(ad.ExpiresIn*1000)
+}

vendor/github.com/mattermost/mattermost-server/v6/model/bot.go

@@ -0,0 +1,204 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"fmt"
+	"net/http"
+	"strings"
+	"unicode/utf8"
+)
+
+const (
+	BotDisplayNameMaxRunes   = UserFirstNameMaxRunes
+	BotDescriptionMaxRunes   = 1024
+	BotCreatorIdMaxRunes     = KeyValuePluginIdMaxRunes // UserId or PluginId
+	BotWarnMetricBotUsername = "mattermost-advisor"
+	BotSystemBotUsername     = "system-bot"
+)
+
+// Bot is a special type of User meant for programmatic interactions.
+// Note that the primary key of a bot is the UserId, and matches the primary key of the
+// corresponding user.
+type Bot struct {
+	UserId         string `json:"user_id"`
+	Username       string `json:"username"`
+	DisplayName    string `json:"display_name,omitempty"`
+	Description    string `json:"description,omitempty"`
+	OwnerId        string `json:"owner_id"`
+	LastIconUpdate int64  `json:"last_icon_update,omitempty"`
+	CreateAt       int64  `json:"create_at"`
+	UpdateAt       int64  `json:"update_at"`
+	DeleteAt       int64  `json:"delete_at"`
+}
+
+// BotPatch is a description of what fields to update on an existing bot.
+type BotPatch struct {
+	Username    *string `json:"username"`
+	DisplayName *string `json:"display_name"`
+	Description *string `json:"description"`
+}
+
+// BotGetOptions acts as a filter on bulk bot fetching queries.
+type BotGetOptions struct {
+	OwnerId        string
+	IncludeDeleted bool
+	OnlyOrphaned   bool
+	Page           int
+	PerPage        int
+}
+
+// BotList is a list of bots.
+type BotList []*Bot
+
+// Trace describes the minimum information required to identify a bot for the purpose of logging.
+func (b *Bot) Trace() map[string]interface{} {
+	return map[string]interface{}{"user_id": b.UserId}
+}
+
+// Clone returns a shallow copy of the bot.
+func (b *Bot) Clone() *Bot {
+	copy := *b
+	return &copy
+}
+
+// IsValid validates the bot and returns an error if it isn't configured correctly.
+func (b *Bot) IsValid() *AppError {
+	if !IsValidId(b.UserId) {
+		return NewAppError("Bot.IsValid", "model.bot.is_valid.user_id.app_error", b.Trace(), "", http.StatusBadRequest)
+	}
+
+	if !IsValidUsername(b.Username) {
+		return NewAppError("Bot.IsValid", "model.bot.is_valid.username.app_error", b.Trace(), "", http.StatusBadRequest)
+	}
+
+	if utf8.RuneCountInString(b.DisplayName) > BotDisplayNameMaxRunes {
+		return NewAppError("Bot.IsValid", "model.bot.is_valid.user_id.app_error", b.Trace(), "", http.StatusBadRequest)
+	}
+
+	if utf8.RuneCountInString(b.Description) > BotDescriptionMaxRunes {
+		return NewAppError("Bot.IsValid", "model.bot.is_valid.description.app_error", b.Trace(), "", http.StatusBadRequest)
+	}
+
+	if b.OwnerId == "" || utf8.RuneCountInString(b.OwnerId) > BotCreatorIdMaxRunes {
+		return NewAppError("Bot.IsValid", "model.bot.is_valid.creator_id.app_error", b.Trace(), "", http.StatusBadRequest)
+	}
+
+	if b.CreateAt == 0 {
+		return NewAppError("Bot.IsValid", "model.bot.is_valid.create_at.app_error", b.Trace(), "", http.StatusBadRequest)
+	}
+
+	if b.UpdateAt == 0 {
+		return NewAppError("Bot.IsValid", "model.bot.is_valid.update_at.app_error", b.Trace(), "", http.StatusBadRequest)
+	}
+
+	return nil
+}
+
+// PreSave should be run before saving a new bot to the database.
+func (b *Bot) PreSave() {
+	b.CreateAt = GetMillis()
+	b.UpdateAt = b.CreateAt
+	b.DeleteAt = 0
+}
+
+// PreUpdate should be run before saving an updated bot to the database.
+func (b *Bot) PreUpdate() {
+	b.UpdateAt = GetMillis()
+}
+
+// Etag generates an etag for caching.
+func (b *Bot) Etag() string {
+	return Etag(b.UserId, b.UpdateAt)
+}
+
+// Patch modifies an existing bot with optional fields from the given patch.
+// TODO 6.0: consider returning a boolean to indicate whether or not the patch
+// applied any changes.
+func (b *Bot) Patch(patch *BotPatch) {
+	if patch.Username != nil {
+		b.Username = *patch.Username
+	}
+
+	if patch.DisplayName != nil {
+		b.DisplayName = *patch.DisplayName
+	}
+
+	if patch.Description != nil {
+		b.Description = *patch.Description
+	}
+}
+
+// WouldPatch returns whether or not the given patch would be applied or not.
+func (b *Bot) WouldPatch(patch *BotPatch) bool {
+	if patch == nil {
+		return false
+	}
+	if patch.Username != nil && *patch.Username != b.Username {
+		return true
+	}
+	if patch.DisplayName != nil && *patch.DisplayName != b.DisplayName {
+		return true
+	}
+	if patch.Description != nil && *patch.Description != b.Description {
+		return true
+	}
+	return false
+}
+
+// UserFromBot returns a user model describing the bot fields stored in the User store.
+func UserFromBot(b *Bot) *User {
+	return &User{
+		Id:        b.UserId,
+		Username:  b.Username,
+		Email:     NormalizeEmail(fmt.Sprintf("%s@localhost", b.Username)),
+		FirstName: b.DisplayName,
+		Roles:     SystemUserRoleId,
+	}
+}
+
+// BotFromUser returns a bot model given a user model
+func BotFromUser(u *User) *Bot {
+	return &Bot{
+		OwnerId:     u.Id,
+		UserId:      u.Id,
+		Username:    u.Username,
+		DisplayName: u.GetDisplayName(ShowUsername),
+	}
+}
+
+// Etag computes the etag for a list of bots.
+func (l *BotList) Etag() string {
+	id := "0"
+	var t int64 = 0
+	var delta int64 = 0
+
+	for _, v := range *l {
+		if v.UpdateAt > t {
+			t = v.UpdateAt
+			id = v.UserId
+		}
+
+	}
+
+	return Etag(id, t, delta, len(*l))
+}
+
+// MakeBotNotFoundError creates the error returned when a bot does not exist, or when the user isn't allowed to query the bot.
+// The errors must the same in both cases to avoid leaking that a user is a bot.
+func MakeBotNotFoundError(userId string) *AppError {
+	return NewAppError("SqlBotStore.Get", "store.sql_bot.get.missing.app_error", map[string]interface{}{"user_id": userId}, "", http.StatusNotFound)
+}
+
+func IsBotDMChannel(channel *Channel, botUserID string) bool {
+	if channel.Type != ChannelTypeDirect {
+		return false
+	}
+
+	if !strings.HasPrefix(channel.Name, botUserID+"__") && !strings.HasSuffix(channel.Name, "__"+botUserID) {
+		return false
+	}
+
+	return true
+}

vendor/github.com/mattermost/mattermost-server/v6/model/builtin.go

@@ -0,0 +1,9 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+func NewBool(b bool) *bool       { return &b }
+func NewInt(n int) *int          { return &n }
+func NewInt64(n int64) *int64    { return &n }
+func NewString(s string) *string { return &s }

vendor/github.com/mattermost/mattermost-server/v6/model/bundle_info.go

@@ -0,0 +1,34 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"github.com/mattermost/mattermost-server/v6/shared/mlog"
+)
+
+type BundleInfo struct {
+	Path string
+
+	Manifest      *Manifest
+	ManifestPath  string
+	ManifestError error
+}
+
+func (b *BundleInfo) WrapLogger(logger *mlog.Logger) *mlog.Logger {
+	if b.Manifest != nil {
+		return logger.With(mlog.String("plugin_id", b.Manifest.Id))
+	}
+	return logger.With(mlog.String("plugin_path", b.Path))
+}
+
+// Returns bundle info for the given path. The return value is never nil.
+func BundleInfoForPath(path string) *BundleInfo {
+	m, mpath, err := FindManifest(path)
+	return &BundleInfo{
+		Path:          path,
+		Manifest:      m,
+		ManifestPath:  mpath,
+		ManifestError: err,
+	}
+}

vendor/github.com/mattermost/mattermost-server/v6/model/channel.go

@@ -0,0 +1,338 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"crypto/sha1"
+	"encoding/hex"
+	"io"
+	"net/http"
+	"sort"
+	"strings"
+	"unicode/utf8"
+)
+
+type ChannelType string
+
+const (
+	ChannelTypeOpen    ChannelType = "O"
+	ChannelTypePrivate ChannelType = "P"
+	ChannelTypeDirect  ChannelType = "D"
+	ChannelTypeGroup   ChannelType = "G"
+
+	ChannelGroupMaxUsers       = 8
+	ChannelGroupMinUsers       = 3
+	DefaultChannelName         = "town-square"
+	ChannelDisplayNameMaxRunes = 64
+	ChannelNameMinLength       = 2
+	ChannelNameMaxLength       = 64
+	ChannelHeaderMaxRunes      = 1024
+	ChannelPurposeMaxRunes     = 250
+	ChannelCacheSize           = 25000
+
+	ChannelSortByUsername = "username"
+	ChannelSortByStatus   = "status"
+)
+
+type Channel struct {
+	Id                string                 `json:"id"`
+	CreateAt          int64                  `json:"create_at"`
+	UpdateAt          int64                  `json:"update_at"`
+	DeleteAt          int64                  `json:"delete_at"`
+	TeamId            string                 `json:"team_id"`
+	Type              ChannelType            `json:"type"`
+	DisplayName       string                 `json:"display_name"`
+	Name              string                 `json:"name"`
+	Header            string                 `json:"header"`
+	Purpose           string                 `json:"purpose"`
+	LastPostAt        int64                  `json:"last_post_at"`
+	TotalMsgCount     int64                  `json:"total_msg_count"`
+	ExtraUpdateAt     int64                  `json:"extra_update_at"`
+	CreatorId         string                 `json:"creator_id"`
+	SchemeId          *string                `json:"scheme_id"`
+	Props             map[string]interface{} `json:"props" db:"-"`
+	GroupConstrained  *bool                  `json:"group_constrained"`
+	Shared            *bool                  `json:"shared"`
+	TotalMsgCountRoot int64                  `json:"total_msg_count_root"`
+	PolicyID          *string                `json:"policy_id" db:"-"`
+}
+
+type ChannelWithTeamData struct {
+	Channel
+	TeamDisplayName string `json:"team_display_name"`
+	TeamName        string `json:"team_name"`
+	TeamUpdateAt    int64  `json:"team_update_at"`
+}
+
+type ChannelsWithCount struct {
+	Channels   ChannelListWithTeamData `json:"channels"`
+	TotalCount int64                   `json:"total_count"`
+}
+
+type ChannelPatch struct {
+	DisplayName      *string `json:"display_name"`
+	Name             *string `json:"name"`
+	Header           *string `json:"header"`
+	Purpose          *string `json:"purpose"`
+	GroupConstrained *bool   `json:"group_constrained"`
+}
+
+type ChannelForExport struct {
+	Channel
+	TeamName   string
+	SchemeName *string
+}
+
+type DirectChannelForExport struct {
+	Channel
+	Members *[]string
+}
+
+type ChannelModeration struct {
+	Name  string                 `json:"name"`
+	Roles *ChannelModeratedRoles `json:"roles"`
+}
+
+type ChannelModeratedRoles struct {
+	Guests  *ChannelModeratedRole `json:"guests"`
+	Members *ChannelModeratedRole `json:"members"`
+}
+
+type ChannelModeratedRole struct {
+	Value   bool `json:"value"`
+	Enabled bool `json:"enabled"`
+}
+
+type ChannelModerationPatch struct {
+	Name  *string                     `json:"name"`
+	Roles *ChannelModeratedRolesPatch `json:"roles"`
+}
+
+type ChannelModeratedRolesPatch struct {
+	Guests  *bool `json:"guests"`
+	Members *bool `json:"members"`
+}
+
+// ChannelSearchOpts contains options for searching channels.
+//
+// NotAssociatedToGroup will exclude channels that have associated, active GroupChannels records.
+// ExcludeDefaultChannels will exclude the configured default channels (ex 'town-square' and 'off-topic').
+// IncludeDeleted will include channel records where DeleteAt != 0.
+// ExcludeChannelNames will exclude channels from the results by name.
+// Paginate whether to paginate the results.
+// Page page requested, if results are paginated.
+// PerPage number of results per page, if paginated.
+//
+type ChannelSearchOpts struct {
+	NotAssociatedToGroup     string
+	ExcludeDefaultChannels   bool
+	IncludeDeleted           bool
+	Deleted                  bool
+	ExcludeChannelNames      []string
+	TeamIds                  []string
+	GroupConstrained         bool
+	ExcludeGroupConstrained  bool
+	PolicyID                 string
+	ExcludePolicyConstrained bool
+	IncludePolicyID          bool
+	Public                   bool
+	Private                  bool
+	Page                     *int
+	PerPage                  *int
+}
+
+type ChannelMemberCountByGroup struct {
+	GroupId                     string `db:"-" json:"group_id"`
+	ChannelMemberCount          int64  `db:"-" json:"channel_member_count"`
+	ChannelMemberTimezonesCount int64  `db:"-" json:"channel_member_timezones_count"`
+}
+
+type ChannelOption func(channel *Channel)
+
+func WithID(ID string) ChannelOption {
+	return func(channel *Channel) {
+		channel.Id = ID
+	}
+}
+
+func (o *Channel) DeepCopy() *Channel {
+	copy := *o
+	if copy.SchemeId != nil {
+		copy.SchemeId = NewString(*o.SchemeId)
+	}
+	return &copy
+}
+
+func (o *Channel) Etag() string {
+	return Etag(o.Id, o.UpdateAt)
+}
+
+func (o *Channel) IsValid() *AppError {
+	if !IsValidId(o.Id) {
+		return NewAppError("Channel.IsValid", "model.channel.is_valid.id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if o.CreateAt == 0 {
+		return NewAppError("Channel.IsValid", "model.channel.is_valid.create_at.app_error", nil, "id="+o.Id, http.StatusBadRequest)
+	}
+
+	if o.UpdateAt == 0 {
+		return NewAppError("Channel.IsValid", "model.channel.is_valid.update_at.app_error", nil, "id="+o.Id, http.StatusBadRequest)
+	}
+
+	if utf8.RuneCountInString(o.DisplayName) > ChannelDisplayNameMaxRunes {
+		return NewAppError("Channel.IsValid", "model.channel.is_valid.display_name.app_error", nil, "id="+o.Id, http.StatusBadRequest)
+	}
+
+	if !IsValidChannelIdentifier(o.Name) {
+		return NewAppError("Channel.IsValid", "model.channel.is_valid.2_or_more.app_error", nil, "id="+o.Id, http.StatusBadRequest)
+	}
+
+	if !(o.Type == ChannelTypeOpen || o.Type == ChannelTypePrivate || o.Type == ChannelTypeDirect || o.Type == ChannelTypeGroup) {
+		return NewAppError("Channel.IsValid", "model.channel.is_valid.type.app_error", nil, "id="+o.Id, http.StatusBadRequest)
+	}
+
+	if utf8.RuneCountInString(o.Header) > ChannelHeaderMaxRunes {
+		return NewAppError("Channel.IsValid", "model.channel.is_valid.header.app_error", nil, "id="+o.Id, http.StatusBadRequest)
+	}
+
+	if utf8.RuneCountInString(o.Purpose) > ChannelPurposeMaxRunes {
+		return NewAppError("Channel.IsValid", "model.channel.is_valid.purpose.app_error", nil, "id="+o.Id, http.StatusBadRequest)
+	}
+
+	if len(o.CreatorId) > 26 {
+		return NewAppError("Channel.IsValid", "model.channel.is_valid.creator_id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	userIds := strings.Split(o.Name, "__")
+	if o.Type != ChannelTypeDirect && len(userIds) == 2 && IsValidId(userIds[0]) && IsValidId(userIds[1]) {
+		return NewAppError("Channel.IsValid", "model.channel.is_valid.name.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	return nil
+}
+
+func (o *Channel) PreSave() {
+	if o.Id == "" {
+		o.Id = NewId()
+	}
+
+	o.Name = SanitizeUnicode(o.Name)
+	o.DisplayName = SanitizeUnicode(o.DisplayName)
+
+	o.CreateAt = GetMillis()
+	o.UpdateAt = o.CreateAt
+	o.ExtraUpdateAt = 0
+}
+
+func (o *Channel) PreUpdate() {
+	o.UpdateAt = GetMillis()
+	o.Name = SanitizeUnicode(o.Name)
+	o.DisplayName = SanitizeUnicode(o.DisplayName)
+}
+
+func (o *Channel) IsGroupOrDirect() bool {
+	return o.Type == ChannelTypeDirect || o.Type == ChannelTypeGroup
+}
+
+func (o *Channel) IsOpen() bool {
+	return o.Type == ChannelTypeOpen
+}
+
+func (o *Channel) Patch(patch *ChannelPatch) {
+	if patch.DisplayName != nil {
+		o.DisplayName = *patch.DisplayName
+	}
+
+	if patch.Name != nil {
+		o.Name = *patch.Name
+	}
+
+	if patch.Header != nil {
+		o.Header = *patch.Header
+	}
+
+	if patch.Purpose != nil {
+		o.Purpose = *patch.Purpose
+	}
+
+	if patch.GroupConstrained != nil {
+		o.GroupConstrained = patch.GroupConstrained
+	}
+}
+
+func (o *Channel) MakeNonNil() {
+	if o.Props == nil {
+		o.Props = make(map[string]interface{})
+	}
+}
+
+func (o *Channel) AddProp(key string, value interface{}) {
+	o.MakeNonNil()
+
+	o.Props[key] = value
+}
+
+func (o *Channel) IsGroupConstrained() bool {
+	return o.GroupConstrained != nil && *o.GroupConstrained
+}
+
+func (o *Channel) IsShared() bool {
+	return o.Shared != nil && *o.Shared
+}
+
+func (o *Channel) GetOtherUserIdForDM(userId string) string {
+	if o.Type != ChannelTypeDirect {
+		return ""
+	}
+
+	userIds := strings.Split(o.Name, "__")
+
+	var otherUserId string
+
+	if userIds[0] != userIds[1] {
+		if userIds[0] == userId {
+			otherUserId = userIds[1]
+		} else {
+			otherUserId = userIds[0]
+		}
+	}
+
+	return otherUserId
+}
+
+func GetDMNameFromIds(userId1, userId2 string) string {
+	if userId1 > userId2 {
+		return userId2 + "__" + userId1
+	}
+	return userId1 + "__" + userId2
+}
+
+func GetGroupDisplayNameFromUsers(users []*User, truncate bool) string {
+	usernames := make([]string, len(users))
+	for index, user := range users {
+		usernames[index] = user.Username
+	}
+
+	sort.Strings(usernames)
+
+	name := strings.Join(usernames, ", ")
+
+	if truncate && len(name) > ChannelNameMaxLength {
+		name = name[:ChannelNameMaxLength]
+	}
+
+	return name
+}
+
+func GetGroupNameFromUserIds(userIds []string) string {
+	sort.Strings(userIds)
+
+	h := sha1.New()
+	for _, id := range userIds {
+		io.WriteString(h, id)
+	}
+
+	return hex.EncodeToString(h.Sum(nil))
+}

vendor/github.com/mattermost/mattermost-server/v6/model/channel_count.go

@@ -0,0 +1,42 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"crypto/md5"
+	"fmt"
+	"sort"
+	"strconv"
+)
+
+type ChannelCounts struct {
+	Counts      map[string]int64 `json:"counts"`
+	CountsRoot  map[string]int64 `json:"counts_root"`
+	UpdateTimes map[string]int64 `json:"update_times"`
+}
+
+func (o *ChannelCounts) Etag() string {
+	// we don't include CountsRoot in ETag calculation, since it's a deriviative
+	ids := []string{}
+	for id := range o.Counts {
+		ids = append(ids, id)
+	}
+	sort.Strings(ids)
+
+	str := ""
+	for _, id := range ids {
+		str += id + strconv.FormatInt(o.Counts[id], 10)
+	}
+
+	md5Counts := fmt.Sprintf("%x", md5.Sum([]byte(str)))
+
+	var update int64 = 0
+	for _, u := range o.UpdateTimes {
+		if u > update {
+			update = u
+		}
+	}
+
+	return Etag(md5Counts, update)
+}

vendor/github.com/mattermost/mattermost-server/v6/model/channel_data.go

@@ -0,0 +1,18 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+type ChannelData struct {
+	Channel *Channel       `json:"channel"`
+	Member  *ChannelMember `json:"member"`
+}
+
+func (o *ChannelData) Etag() string {
+	var mt int64 = 0
+	if o.Member != nil {
+		mt = o.Member.LastUpdateAt
+	}
+
+	return Etag(o.Channel.Id, o.Channel.UpdateAt, o.Channel.LastPostAt, mt)
+}

vendor/github.com/mattermost/mattermost-server/v6/model/channel_list.go

@@ -0,0 +1,56 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+type ChannelList []*Channel
+
+func (o *ChannelList) Etag() string {
+
+	id := "0"
+	var t int64 = 0
+	var delta int64 = 0
+
+	for _, v := range *o {
+		if v.LastPostAt > t {
+			t = v.LastPostAt
+			id = v.Id
+		}
+
+		if v.UpdateAt > t {
+			t = v.UpdateAt
+			id = v.Id
+		}
+
+	}
+
+	return Etag(id, t, delta, len(*o))
+}
+
+type ChannelListWithTeamData []*ChannelWithTeamData
+
+func (o *ChannelListWithTeamData) Etag() string {
+
+	id := "0"
+	var t int64 = 0
+	var delta int64 = 0
+
+	for _, v := range *o {
+		if v.LastPostAt > t {
+			t = v.LastPostAt
+			id = v.Id
+		}
+
+		if v.UpdateAt > t {
+			t = v.UpdateAt
+			id = v.Id
+		}
+
+		if v.TeamUpdateAt > t {
+			t = v.TeamUpdateAt
+			id = v.Id
+		}
+	}
+
+	return Etag(id, t, delta, len(*o))
+}

vendor/github.com/mattermost/mattermost-server/v6/model/channel_member.go

@@ -0,0 +1,163 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"net/http"
+	"strings"
+)
+
+const (
+	ChannelNotifyDefault            = "default"
+	ChannelNotifyAll                = "all"
+	ChannelNotifyMention            = "mention"
+	ChannelNotifyNone               = "none"
+	ChannelMarkUnreadAll            = "all"
+	ChannelMarkUnreadMention        = "mention"
+	IgnoreChannelMentionsDefault    = "default"
+	IgnoreChannelMentionsOff        = "off"
+	IgnoreChannelMentionsOn         = "on"
+	IgnoreChannelMentionsNotifyProp = "ignore_channel_mentions"
+)
+
+type ChannelUnread struct {
+	TeamId           string    `json:"team_id"`
+	ChannelId        string    `json:"channel_id"`
+	MsgCount         int64     `json:"msg_count"`
+	MentionCount     int64     `json:"mention_count"`
+	MentionCountRoot int64     `json:"mention_count_root"`
+	MsgCountRoot     int64     `json:"msg_count_root"`
+	NotifyProps      StringMap `json:"-"`
+}
+
+type ChannelUnreadAt struct {
+	TeamId           string    `json:"team_id"`
+	UserId           string    `json:"user_id"`
+	ChannelId        string    `json:"channel_id"`
+	MsgCount         int64     `json:"msg_count"`
+	MentionCount     int64     `json:"mention_count"`
+	MentionCountRoot int64     `json:"mention_count_root"`
+	MsgCountRoot     int64     `json:"msg_count_root"`
+	LastViewedAt     int64     `json:"last_viewed_at"`
+	NotifyProps      StringMap `json:"-"`
+}
+
+type ChannelMember struct {
+	ChannelId        string    `json:"channel_id"`
+	UserId           string    `json:"user_id"`
+	Roles            string    `json:"roles"`
+	LastViewedAt     int64     `json:"last_viewed_at"`
+	MsgCount         int64     `json:"msg_count"`
+	MentionCount     int64     `json:"mention_count"`
+	MentionCountRoot int64     `json:"mention_count_root"`
+	MsgCountRoot     int64     `json:"msg_count_root"`
+	NotifyProps      StringMap `json:"notify_props"`
+	LastUpdateAt     int64     `json:"last_update_at"`
+	SchemeGuest      bool      `json:"scheme_guest"`
+	SchemeUser       bool      `json:"scheme_user"`
+	SchemeAdmin      bool      `json:"scheme_admin"`
+	ExplicitRoles    string    `json:"explicit_roles"`
+}
+
+type ChannelMembers []ChannelMember
+
+type ChannelMemberForExport struct {
+	ChannelMember
+	ChannelName string
+	Username    string
+}
+
+func (o *ChannelMember) IsValid() *AppError {
+
+	if !IsValidId(o.ChannelId) {
+		return NewAppError("ChannelMember.IsValid", "model.channel_member.is_valid.channel_id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if !IsValidId(o.UserId) {
+		return NewAppError("ChannelMember.IsValid", "model.channel_member.is_valid.user_id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	notifyLevel := o.NotifyProps[DesktopNotifyProp]
+	if len(notifyLevel) > 20 || !IsChannelNotifyLevelValid(notifyLevel) {
+		return NewAppError("ChannelMember.IsValid", "model.channel_member.is_valid.notify_level.app_error", nil, "notify_level="+notifyLevel, http.StatusBadRequest)
+	}
+
+	markUnreadLevel := o.NotifyProps[MarkUnreadNotifyProp]
+	if len(markUnreadLevel) > 20 || !IsChannelMarkUnreadLevelValid(markUnreadLevel) {
+		return NewAppError("ChannelMember.IsValid", "model.channel_member.is_valid.unread_level.app_error", nil, "mark_unread_level="+markUnreadLevel, http.StatusBadRequest)
+	}
+
+	if pushLevel, ok := o.NotifyProps[PushNotifyProp]; ok {
+		if len(pushLevel) > 20 || !IsChannelNotifyLevelValid(pushLevel) {
+			return NewAppError("ChannelMember.IsValid", "model.channel_member.is_valid.push_level.app_error", nil, "push_notification_level="+pushLevel, http.StatusBadRequest)
+		}
+	}
+
+	if sendEmail, ok := o.NotifyProps[EmailNotifyProp]; ok {
+		if len(sendEmail) > 20 || !IsSendEmailValid(sendEmail) {
+			return NewAppError("ChannelMember.IsValid", "model.channel_member.is_valid.email_value.app_error", nil, "push_notification_level="+sendEmail, http.StatusBadRequest)
+		}
+	}
+
+	if ignoreChannelMentions, ok := o.NotifyProps[IgnoreChannelMentionsNotifyProp]; ok {
+		if len(ignoreChannelMentions) > 40 || !IsIgnoreChannelMentionsValid(ignoreChannelMentions) {
+			return NewAppError("ChannelMember.IsValid", "model.channel_member.is_valid.ignore_channel_mentions_value.app_error", nil, "ignore_channel_mentions="+ignoreChannelMentions, http.StatusBadRequest)
+		}
+	}
+
+	return nil
+}
+
+func (o *ChannelMember) PreSave() {
+	o.LastUpdateAt = GetMillis()
+}
+
+func (o *ChannelMember) PreUpdate() {
+	o.LastUpdateAt = GetMillis()
+}
+
+func (o *ChannelMember) GetRoles() []string {
+	return strings.Fields(o.Roles)
+}
+
+func (o *ChannelMember) SetChannelMuted(muted bool) {
+	if o.IsChannelMuted() {
+		o.NotifyProps[MarkUnreadNotifyProp] = ChannelMarkUnreadAll
+	} else {
+		o.NotifyProps[MarkUnreadNotifyProp] = ChannelMarkUnreadMention
+	}
+}
+
+func (o *ChannelMember) IsChannelMuted() bool {
+	return o.NotifyProps[MarkUnreadNotifyProp] == ChannelMarkUnreadMention
+}
+
+func IsChannelNotifyLevelValid(notifyLevel string) bool {
+	return notifyLevel == ChannelNotifyDefault ||
+		notifyLevel == ChannelNotifyAll ||
+		notifyLevel == ChannelNotifyMention ||
+		notifyLevel == ChannelNotifyNone
+}
+
+func IsChannelMarkUnreadLevelValid(markUnreadLevel string) bool {
+	return markUnreadLevel == ChannelMarkUnreadAll || markUnreadLevel == ChannelMarkUnreadMention
+}
+
+func IsSendEmailValid(sendEmail string) bool {
+	return sendEmail == ChannelNotifyDefault || sendEmail == "true" || sendEmail == "false"
+}
+
+func IsIgnoreChannelMentionsValid(ignoreChannelMentions string) bool {
+	return ignoreChannelMentions == IgnoreChannelMentionsOn || ignoreChannelMentions == IgnoreChannelMentionsOff || ignoreChannelMentions == IgnoreChannelMentionsDefault
+}
+
+func GetDefaultChannelNotifyProps() StringMap {
+	return StringMap{
+		DesktopNotifyProp:               ChannelNotifyDefault,
+		MarkUnreadNotifyProp:            ChannelMarkUnreadAll,
+		PushNotifyProp:                  ChannelNotifyDefault,
+		EmailNotifyProp:                 ChannelNotifyDefault,
+		IgnoreChannelMentionsNotifyProp: IgnoreChannelMentionsDefault,
+	}
+}

vendor/github.com/mattermost/mattermost-server/v6/model/channel_member_history.go

@@ -0,0 +1,11 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+type ChannelMemberHistory struct {
+	ChannelId string
+	UserId    string
+	JoinTime  int64
+	LeaveTime *int64
+}

vendor/github.com/mattermost/mattermost-server/v6/model/channel_member_history_result.go

@@ -0,0 +1,17 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+type ChannelMemberHistoryResult struct {
+	ChannelId string
+	UserId    string
+	JoinTime  int64
+	LeaveTime *int64
+
+	// these two fields are never set in the database - when we SELECT, we join on Users to get them
+	UserEmail    string `db:"Email"`
+	Username     string
+	IsBot        bool
+	UserDeleteAt int64
+}

vendor/github.com/mattermost/mattermost-server/v6/model/channel_mentions.go

@@ -0,0 +1,28 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"regexp"
+	"strings"
+)
+
+var channelMentionRegexp = regexp.MustCompile(`\B~[a-zA-Z0-9\-_]+`)
+
+func ChannelMentions(message string) []string {
+	var names []string
+
+	if strings.Contains(message, "~") {
+		alreadyMentioned := make(map[string]bool)
+		for _, match := range channelMentionRegexp.FindAllString(message, -1) {
+			name := match[1:]
+			if !alreadyMentioned[name] {
+				names = append(names, name)
+				alreadyMentioned[name] = true
+			}
+		}
+	}
+
+	return names
+}

vendor/github.com/mattermost/mattermost-server/v6/model/channel_search.go

@@ -0,0 +1,22 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+const ChannelSearchDefaultLimit = 50
+
+type ChannelSearch struct {
+	Term                     string   `json:"term"`
+	ExcludeDefaultChannels   bool     `json:"exclude_default_channels"`
+	NotAssociatedToGroup     string   `json:"not_associated_to_group"`
+	TeamIds                  []string `json:"team_ids"`
+	GroupConstrained         bool     `json:"group_constrained"`
+	ExcludeGroupConstrained  bool     `json:"exclude_group_constrained"`
+	ExcludePolicyConstrained bool     `json:"exclude_policy_constrained"`
+	Public                   bool     `json:"public"`
+	Private                  bool     `json:"private"`
+	IncludeDeleted           bool     `json:"include_deleted"`
+	Deleted                  bool     `json:"deleted"`
+	Page                     *int     `json:"page,omitempty"`
+	PerPage                  *int     `json:"per_page,omitempty"`
+}

vendor/github.com/mattermost/mattermost-server/v6/model/channel_sidebar.go

@@ -0,0 +1,85 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"regexp"
+)
+
+type SidebarCategoryType string
+type SidebarCategorySorting string
+
+const (
+	// Each sidebar category has a 'type'. System categories are Channels, Favorites and DMs
+	// All user-created categories will have type Custom
+	SidebarCategoryChannels       SidebarCategoryType = "channels"
+	SidebarCategoryDirectMessages SidebarCategoryType = "direct_messages"
+	SidebarCategoryFavorites      SidebarCategoryType = "favorites"
+	SidebarCategoryCustom         SidebarCategoryType = "custom"
+	// Increment to use when adding/reordering things in the sidebar
+	MinimalSidebarSortDistance = 10
+	// Default Sort Orders for categories
+	DefaultSidebarSortOrderFavorites = 0
+	DefaultSidebarSortOrderChannels  = DefaultSidebarSortOrderFavorites + MinimalSidebarSortDistance
+	DefaultSidebarSortOrderDMs       = DefaultSidebarSortOrderChannels + MinimalSidebarSortDistance
+	// Sorting modes
+	// default for all categories except DMs (behaves like manual)
+	SidebarCategorySortDefault SidebarCategorySorting = ""
+	// sort manually
+	SidebarCategorySortManual SidebarCategorySorting = "manual"
+	// sort by recency (default for DMs)
+	SidebarCategorySortRecent SidebarCategorySorting = "recent"
+	// sort by display name alphabetically
+	SidebarCategorySortAlphabetical SidebarCategorySorting = "alpha"
+)
+
+// SidebarCategory represents the corresponding DB table
+// SortOrder is never returned to the user and only used for queries
+type SidebarCategory struct {
+	Id          string                 `json:"id"`
+	UserId      string                 `json:"user_id"`
+	TeamId      string                 `json:"team_id"`
+	SortOrder   int64                  `json:"-"`
+	Sorting     SidebarCategorySorting `json:"sorting"`
+	Type        SidebarCategoryType    `json:"type"`
+	DisplayName string                 `json:"display_name"`
+	Muted       bool                   `json:"muted"`
+	Collapsed   bool                   `json:"collapsed"`
+}
+
+// SidebarCategoryWithChannels combines data from SidebarCategory table with the Channel IDs that belong to that category
+type SidebarCategoryWithChannels struct {
+	SidebarCategory
+	Channels []string `json:"channel_ids"`
+}
+
+type SidebarCategoryOrder []string
+
+// OrderedSidebarCategories combines categories, their channel IDs and an array of Category IDs, sorted
+type OrderedSidebarCategories struct {
+	Categories SidebarCategoriesWithChannels `json:"categories"`
+	Order      SidebarCategoryOrder          `json:"order"`
+}
+
+type SidebarChannel struct {
+	ChannelId  string `json:"channel_id"`
+	UserId     string `json:"user_id"`
+	CategoryId string `json:"category_id"`
+	SortOrder  int64  `json:"-"`
+}
+
+type SidebarChannels []*SidebarChannel
+type SidebarCategoriesWithChannels []*SidebarCategoryWithChannels
+
+var categoryIdPattern = regexp.MustCompile("(favorites|channels|direct_messages)_[a-z0-9]{26}_[a-z0-9]{26}")
+
+func IsValidCategoryId(s string) bool {
+	// Category IDs can either be regular IDs
+	if IsValidId(s) {
+		return true
+	}
+
+	// Or default categories can follow the pattern {type}_{userID}_{teamID}
+	return categoryIdPattern.MatchString(s)
+}

vendor/github.com/mattermost/mattermost-server/v6/model/channel_stats.go

@@ -0,0 +1,11 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+type ChannelStats struct {
+	ChannelId       string `json:"channel_id"`
+	MemberCount     int64  `json:"member_count"`
+	GuestCount      int64  `json:"guest_count"`
+	PinnedPostCount int64  `json:"pinnedpost_count"`
+}

vendor/github.com/mattermost/mattermost-server/v6/model/channel_view.go

@@ -0,0 +1,15 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+type ChannelView struct {
+	ChannelId                 string `json:"channel_id"`
+	PrevChannelId             string `json:"prev_channel_id"`
+	CollapsedThreadsSupported bool   `json:"collapsed_threads_supported"`
+}
+
+type ChannelViewResponse struct {
+	Status            string           `json:"status"`
+	LastViewedAtTimes map[string]int64 `json:"last_viewed_at_times"`
+}

vendor/github.com/mattermost/mattermost-server/v6/model/cloud.go

@@ -0,0 +1,188 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import "strings"
+
+const (
+	EventTypeFailedPayment         = "failed-payment"
+	EventTypeFailedPaymentNoCard   = "failed-payment-no-card"
+	EventTypeSendAdminWelcomeEmail = "send-admin-welcome-email"
+	EventTypeTrialWillEnd          = "trial-will-end"
+	EventTypeTrialEnded            = "trial-ended"
+	JoinLimitation                 = "join"
+	InviteLimitation               = "invite"
+)
+
+var MockCWS string
+
+type BillingScheme string
+
+const (
+	BillingSchemePerSeat = BillingScheme("per_seat")
+	BillingSchemeFlatFee = BillingScheme("flat_fee")
+)
+
+type RecurringInterval string
+
+const (
+	RecurringIntervalYearly  = RecurringInterval("year")
+	RecurringIntervalMonthly = RecurringInterval("month")
+)
+
+type SubscriptionFamily string
+
+const (
+	SubscriptionFamilyCloud  = SubscriptionFamily("cloud")
+	SubscriptionFamilyOnPrem = SubscriptionFamily("on-prem")
+)
+
+// Product model represents a product on the cloud system.
+type Product struct {
+	ID                string             `json:"id"`
+	Name              string             `json:"name"`
+	Description       string             `json:"description"`
+	PricePerSeat      float64            `json:"price_per_seat"`
+	AddOns            []*AddOn           `json:"add_ons"`
+	SKU               string             `json:"sku"`
+	PriceID           string             `json:"price_id"`
+	Family            SubscriptionFamily `json:"product_family"`
+	RecurringInterval RecurringInterval  `json:"recurring_interval"`
+	BillingScheme     BillingScheme      `json:"billing_scheme"`
+}
+
+// AddOn represents an addon to a product.
+type AddOn struct {
+	ID           string  `json:"id"`
+	Name         string  `json:"name"`
+	DisplayName  string  `json:"display_name"`
+	PricePerSeat float64 `json:"price_per_seat"`
+}
+
+// StripeSetupIntent represents the SetupIntent model from Stripe for updating payment methods.
+type StripeSetupIntent struct {
+	ID           string `json:"id"`
+	ClientSecret string `json:"client_secret"`
+}
+
+// ConfirmPaymentMethodRequest contains the fields for the customer payment update API.
+type ConfirmPaymentMethodRequest struct {
+	StripeSetupIntentID string `json:"stripe_setup_intent_id"`
+}
+
+// Customer model represents a customer on the system.
+type CloudCustomer struct {
+	CloudCustomerInfo
+	ID             string         `json:"id"`
+	CreatorID      string         `json:"creator_id"`
+	CreateAt       int64          `json:"create_at"`
+	BillingAddress *Address       `json:"billing_address"`
+	CompanyAddress *Address       `json:"company_address"`
+	PaymentMethod  *PaymentMethod `json:"payment_method"`
+}
+
+// CloudCustomerInfo represents editable info of a customer.
+type CloudCustomerInfo struct {
+	Name             string `json:"name"`
+	Email            string `json:"email,omitempty"`
+	ContactFirstName string `json:"contact_first_name,omitempty"`
+	ContactLastName  string `json:"contact_last_name,omitempty"`
+	NumEmployees     int    `json:"num_employees"`
+}
+
+// Address model represents a customer's address.
+type Address struct {
+	City       string `json:"city"`
+	Country    string `json:"country"`
+	Line1      string `json:"line1"`
+	Line2      string `json:"line2"`
+	PostalCode string `json:"postal_code"`
+	State      string `json:"state"`
+}
+
+// PaymentMethod represents methods of payment for a customer.
+type PaymentMethod struct {
+	Type      string `json:"type"`
+	LastFour  int    `json:"last_four"`
+	ExpMonth  int    `json:"exp_month"`
+	ExpYear   int    `json:"exp_year"`
+	CardBrand string `json:"card_brand"`
+	Name      string `json:"name"`
+}
+
+// Subscription model represents a subscription on the system.
+type Subscription struct {
+	ID          string   `json:"id"`
+	CustomerID  string   `json:"customer_id"`
+	ProductID   string   `json:"product_id"`
+	AddOns      []string `json:"add_ons"`
+	StartAt     int64    `json:"start_at"`
+	EndAt       int64    `json:"end_at"`
+	CreateAt    int64    `json:"create_at"`
+	Seats       int      `json:"seats"`
+	Status      string   `json:"status"`
+	DNS         string   `json:"dns"`
+	IsPaidTier  string   `json:"is_paid_tier"`
+	LastInvoice *Invoice `json:"last_invoice"`
+	IsFreeTrial string   `json:"is_free_trial"`
+	TrialEndAt  int64    `json:"trial_end_at"`
+}
+
+// GetWorkSpaceNameFromDNS returns the work space name. For example from test.mattermost.cloud.com, it returns test
+func (s *Subscription) GetWorkSpaceNameFromDNS() string {
+	return strings.Split(s.DNS, ".")[0]
+}
+
+// Invoice model represents a cloud invoice
+type Invoice struct {
+	ID             string             `json:"id"`
+	Number         string             `json:"number"`
+	CreateAt       int64              `json:"create_at"`
+	Total          int64              `json:"total"`
+	Tax            int64              `json:"tax"`
+	Status         string             `json:"status"`
+	Description    string             `json:"description"`
+	PeriodStart    int64              `json:"period_start"`
+	PeriodEnd      int64              `json:"period_end"`
+	SubscriptionID string             `json:"subscription_id"`
+	Items          []*InvoiceLineItem `json:"line_items"`
+}
+
+// InvoiceLineItem model represents a cloud invoice lineitem tied to an invoice.
+type InvoiceLineItem struct {
+	PriceID      string                 `json:"price_id"`
+	Total        int64                  `json:"total"`
+	Quantity     int64                  `json:"quantity"`
+	PricePerUnit int64                  `json:"price_per_unit"`
+	Description  string                 `json:"description"`
+	Type         string                 `json:"type"`
+	Metadata     map[string]interface{} `json:"metadata"`
+}
+
+type CWSWebhookPayload struct {
+	Event                             string               `json:"event"`
+	FailedPayment                     *FailedPayment       `json:"failed_payment"`
+	CloudWorkspaceOwner               *CloudWorkspaceOwner `json:"cloud_workspace_owner"`
+	SubscriptionTrialEndUnixTimeStamp int64                `json:"trial_end_time_stamp"`
+}
+
+type FailedPayment struct {
+	CardBrand      string `json:"card_brand"`
+	LastFour       int    `json:"last_four"`
+	FailureMessage string `json:"failure_message"`
+}
+
+// CloudWorkspaceOwner is part of the CWS Webhook payload that contains information about the user that created the workspace from the CWS
+type CloudWorkspaceOwner struct {
+	UserName string `json:"username"`
+}
+type SubscriptionStats struct {
+	RemainingSeats int    `json:"remaining_seats"`
+	IsPaidTier     string `json:"is_paid_tier"`
+	IsFreeTrial    string `json:"is_free_trial"`
+}
+
+type SubscriptionChange struct {
+	ProductID string `json:"product_id"`
+}

vendor/github.com/mattermost/mattermost-server/v6/model/cluster_discovery.go

@@ -0,0 +1,115 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"net/http"
+	"os"
+)
+
+const (
+	CDSOfflineAfterMillis = 1000 * 60 * 30 // 30 minutes
+	CDSTypeApp            = "mattermost_app"
+)
+
+type ClusterDiscovery struct {
+	Id          string `json:"id"`
+	Type        string `json:"type"`
+	ClusterName string `json:"cluster_name"`
+	Hostname    string `json:"hostname"`
+	GossipPort  int32  `json:"gossip_port"`
+	Port        int32  `json:"port"`
+	CreateAt    int64  `json:"create_at"`
+	LastPingAt  int64  `json:"last_ping_at"`
+}
+
+func (o *ClusterDiscovery) PreSave() {
+	if o.Id == "" {
+		o.Id = NewId()
+	}
+
+	if o.CreateAt == 0 {
+		o.CreateAt = GetMillis()
+		o.LastPingAt = o.CreateAt
+	}
+}
+
+func (o *ClusterDiscovery) AutoFillHostname() {
+	// attempt to set the hostname from the OS
+	if o.Hostname == "" {
+		if hn, err := os.Hostname(); err == nil {
+			o.Hostname = hn
+		}
+	}
+}
+
+func (o *ClusterDiscovery) AutoFillIPAddress(iface string, ipAddress string) {
+	// attempt to set the hostname to the first non-local IP address
+	if o.Hostname == "" {
+		if ipAddress != "" {
+			o.Hostname = ipAddress
+		} else {
+			o.Hostname = GetServerIPAddress(iface)
+		}
+	}
+}
+
+func (o *ClusterDiscovery) IsEqual(in *ClusterDiscovery) bool {
+	if in == nil {
+		return false
+	}
+
+	if o.Type != in.Type {
+		return false
+	}
+
+	if o.ClusterName != in.ClusterName {
+		return false
+	}
+
+	if o.Hostname != in.Hostname {
+		return false
+	}
+
+	return true
+}
+
+func FilterClusterDiscovery(vs []*ClusterDiscovery, f func(*ClusterDiscovery) bool) []*ClusterDiscovery {
+	copy := make([]*ClusterDiscovery, 0)
+	for _, v := range vs {
+		if f(v) {
+			copy = append(copy, v)
+		}
+	}
+
+	return copy
+}
+
+func (o *ClusterDiscovery) IsValid() *AppError {
+	if !IsValidId(o.Id) {
+		return NewAppError("ClusterDiscovery.IsValid", "model.cluster.is_valid.id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if o.ClusterName == "" {
+		return NewAppError("ClusterDiscovery.IsValid", "model.cluster.is_valid.name.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if o.Type == "" {
+		return NewAppError("ClusterDiscovery.IsValid", "model.cluster.is_valid.type.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if o.Hostname == "" {
+		return NewAppError("ClusterDiscovery.IsValid", "model.cluster.is_valid.hostname.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if o.CreateAt == 0 {
+		return NewAppError("ClusterDiscovery.IsValid", "model.cluster.is_valid.create_at.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if o.LastPingAt == 0 {
+		return NewAppError("ClusterDiscovery.IsValid", "model.cluster.is_valid.last_ping_at.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	return nil
+}

vendor/github.com/mattermost/mattermost-server/v6/model/cluster_info.go

@@ -0,0 +1,12 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+type ClusterInfo struct {
+	Id         string `json:"id"`
+	Version    string `json:"version"`
+	ConfigHash string `json:"config_hash"`
+	IPAddress  string `json:"ipaddress"`
+	Hostname   string `json:"hostname"`
+}

vendor/github.com/mattermost/mattermost-server/v6/model/cluster_message.go

@@ -0,0 +1,62 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+type ClusterEvent string
+
+const (
+	ClusterEventPublish                                     ClusterEvent = "publish"
+	ClusterEventUpdateStatus                                ClusterEvent = "update_status"
+	ClusterEventInvalidateAllCaches                         ClusterEvent = "inv_all_caches"
+	ClusterEventInvalidateCacheForReactions                 ClusterEvent = "inv_reactions"
+	ClusterEventInvalidateCacheForChannelMembersNotifyProps ClusterEvent = "inv_channel_members_notify_props"
+	ClusterEventInvalidateCacheForChannelByName             ClusterEvent = "inv_channel_name"
+	ClusterEventInvalidateCacheForChannel                   ClusterEvent = "inv_channel"
+	ClusterEventInvalidateCacheForChannelGuestCount         ClusterEvent = "inv_channel_guest_count"
+	ClusterEventInvalidateCacheForUser                      ClusterEvent = "inv_user"
+	ClusterEventInvalidateCacheForUserTeams                 ClusterEvent = "inv_user_teams"
+	ClusterEventClearSessionCacheForUser                    ClusterEvent = "clear_session_user"
+	ClusterEventInvalidateCacheForRoles                     ClusterEvent = "inv_roles"
+	ClusterEventInvalidateCacheForRolePermissions           ClusterEvent = "inv_role_permissions"
+	ClusterEventInvalidateCacheForProfileByIds              ClusterEvent = "inv_profile_ids"
+	ClusterEventInvalidateCacheForProfileInChannel          ClusterEvent = "inv_profile_in_channel"
+	ClusterEventInvalidateCacheForSchemes                   ClusterEvent = "inv_schemes"
+	ClusterEventInvalidateCacheForFileInfos                 ClusterEvent = "inv_file_infos"
+	ClusterEventInvalidateCacheForWebhooks                  ClusterEvent = "inv_webhooks"
+	ClusterEventInvalidateCacheForEmojisById                ClusterEvent = "inv_emojis_by_id"
+	ClusterEventInvalidateCacheForEmojisIdByName            ClusterEvent = "inv_emojis_id_by_name"
+	ClusterEventInvalidateCacheForChannelPinnedpostsCounts  ClusterEvent = "inv_channel_pinnedposts_counts"
+	ClusterEventInvalidateCacheForChannelMemberCounts       ClusterEvent = "inv_channel_member_counts"
+	ClusterEventInvalidateCacheForLastPosts                 ClusterEvent = "inv_last_posts"
+	ClusterEventInvalidateCacheForLastPostTime              ClusterEvent = "inv_last_post_time"
+	ClusterEventInvalidateCacheForTeams                     ClusterEvent = "inv_teams"
+	ClusterEventClearSessionCacheForAllUsers                ClusterEvent = "inv_all_user_sessions"
+	ClusterEventInstallPlugin                               ClusterEvent = "install_plugin"
+	ClusterEventRemovePlugin                                ClusterEvent = "remove_plugin"
+	ClusterEventPluginEvent                                 ClusterEvent = "plugin_event"
+	ClusterEventInvalidateCacheForTermsOfService            ClusterEvent = "inv_terms_of_service"
+	ClusterEventBusyStateChanged                            ClusterEvent = "busy_state_change"
+
+	// Gossip communication
+	ClusterGossipEventRequestGetLogs            = "gossip_request_get_logs"
+	ClusterGossipEventResponseGetLogs           = "gossip_response_get_logs"
+	ClusterGossipEventRequestGetClusterStats    = "gossip_request_cluster_stats"
+	ClusterGossipEventResponseGetClusterStats   = "gossip_response_cluster_stats"
+	ClusterGossipEventRequestGetPluginStatuses  = "gossip_request_plugin_statuses"
+	ClusterGossipEventResponseGetPluginStatuses = "gossip_response_plugin_statuses"
+	ClusterGossipEventRequestSaveConfig         = "gossip_request_save_config"
+	ClusterGossipEventResponseSaveConfig        = "gossip_response_save_config"
+
+	// SendTypes for ClusterMessage.
+	ClusterSendBestEffort = "best_effort"
+	ClusterSendReliable   = "reliable"
+)
+
+type ClusterMessage struct {
+	Event            ClusterEvent      `json:"event"`
+	SendType         string            `json:"-"`
+	WaitForAllToSend bool              `json:"-"`
+	Data             []byte            `json:"data,omitempty"`
+	Props            map[string]string `json:"props,omitempty"`
+}

vendor/github.com/mattermost/mattermost-server/v6/model/cluster_stats.go

@@ -0,0 +1,11 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+type ClusterStats struct {
+	Id                        string `json:"id"`
+	TotalWebsocketConnections int    `json:"total_websocket_connections"`
+	TotalReadDbConnections    int    `json:"total_read_db_connections"`
+	TotalMasterDbConnections  int    `json:"total_master_db_connections"`
+}

vendor/github.com/mattermost/mattermost-server/v6/model/command.go

@@ -0,0 +1,136 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"net/http"
+	"strings"
+)
+
+const (
+	CommandMethodPost = "P"
+	CommandMethodGet  = "G"
+	MinTriggerLength  = 1
+	MaxTriggerLength  = 128
+)
+
+type Command struct {
+	Id               string `json:"id"`
+	Token            string `json:"token"`
+	CreateAt         int64  `json:"create_at"`
+	UpdateAt         int64  `json:"update_at"`
+	DeleteAt         int64  `json:"delete_at"`
+	CreatorId        string `json:"creator_id"`
+	TeamId           string `json:"team_id"`
+	Trigger          string `json:"trigger"`
+	Method           string `json:"method"`
+	Username         string `json:"username"`
+	IconURL          string `json:"icon_url"`
+	AutoComplete     bool   `json:"auto_complete"`
+	AutoCompleteDesc string `json:"auto_complete_desc"`
+	AutoCompleteHint string `json:"auto_complete_hint"`
+	DisplayName      string `json:"display_name"`
+	Description      string `json:"description"`
+	URL              string `json:"url"`
+	// PluginId records the id of the plugin that created this Command. If it is blank, the Command
+	// was not created by a plugin.
+	PluginId         string            `json:"plugin_id"`
+	AutocompleteData *AutocompleteData `db:"-" json:"autocomplete_data,omitempty"`
+	// AutocompleteIconData is a base64 encoded svg
+	AutocompleteIconData string `db:"-" json:"autocomplete_icon_data,omitempty"`
+}
+
+func (o *Command) IsValid() *AppError {
+	if !IsValidId(o.Id) {
+		return NewAppError("Command.IsValid", "model.command.is_valid.id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if len(o.Token) != 26 {
+		return NewAppError("Command.IsValid", "model.command.is_valid.token.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if o.CreateAt == 0 {
+		return NewAppError("Command.IsValid", "model.command.is_valid.create_at.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if o.UpdateAt == 0 {
+		return NewAppError("Command.IsValid", "model.command.is_valid.update_at.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	// If the CreatorId is blank, this should be a command created by a plugin.
+	if o.CreatorId == "" && !IsValidPluginId(o.PluginId) {
+		return NewAppError("Command.IsValid", "model.command.is_valid.plugin_id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	// If the PluginId is blank, this should be a command associated with a userId.
+	if o.PluginId == "" && !IsValidId(o.CreatorId) {
+		return NewAppError("Command.IsValid", "model.command.is_valid.user_id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if o.CreatorId != "" && o.PluginId != "" {
+		return NewAppError("Command.IsValid", "model.command.is_valid.plugin_id.app_error", nil, "command cannot have both a CreatorId and a PluginId", http.StatusBadRequest)
+	}
+
+	if !IsValidId(o.TeamId) {
+		return NewAppError("Command.IsValid", "model.command.is_valid.team_id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if len(o.Trigger) < MinTriggerLength || len(o.Trigger) > MaxTriggerLength || strings.Index(o.Trigger, "/") == 0 || strings.Contains(o.Trigger, " ") {
+		return NewAppError("Command.IsValid", "model.command.is_valid.trigger.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if o.URL == "" || len(o.URL) > 1024 {
+		return NewAppError("Command.IsValid", "model.command.is_valid.url.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if !IsValidHTTPURL(o.URL) {
+		return NewAppError("Command.IsValid", "model.command.is_valid.url_http.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if !(o.Method == CommandMethodGet || o.Method == CommandMethodPost) {
+		return NewAppError("Command.IsValid", "model.command.is_valid.method.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if len(o.DisplayName) > 64 {
+		return NewAppError("Command.IsValid", "model.command.is_valid.display_name.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if len(o.Description) > 128 {
+		return NewAppError("Command.IsValid", "model.command.is_valid.description.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if o.AutocompleteData != nil {
+		if err := o.AutocompleteData.IsValid(); err != nil {
+			return NewAppError("Command.IsValid", "model.command.is_valid.autocomplete_data.app_error", nil, err.Error(), http.StatusBadRequest)
+		}
+	}
+
+	return nil
+}
+
+func (o *Command) PreSave() {
+	if o.Id == "" {
+		o.Id = NewId()
+	}
+
+	if o.Token == "" {
+		o.Token = NewId()
+	}
+
+	o.CreateAt = GetMillis()
+	o.UpdateAt = o.CreateAt
+}
+
+func (o *Command) PreUpdate() {
+	o.UpdateAt = GetMillis()
+}
+
+func (o *Command) Sanitize() {
+	o.Token = ""
+	o.CreatorId = ""
+	o.Method = ""
+	o.URL = ""
+	o.Username = ""
+	o.IconURL = ""
+}

vendor/github.com/mattermost/mattermost-server/v6/model/command_args.go

@@ -0,0 +1,45 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"github.com/mattermost/mattermost-server/v6/shared/i18n"
+)
+
+type CommandArgs struct {
+	UserId          string             `json:"user_id"`
+	ChannelId       string             `json:"channel_id"`
+	TeamId          string             `json:"team_id"`
+	RootId          string             `json:"root_id"`
+	ParentId        string             `json:"parent_id"`
+	TriggerId       string             `json:"trigger_id,omitempty"`
+	Command         string             `json:"command"`
+	SiteURL         string             `json:"-"`
+	T               i18n.TranslateFunc `json:"-"`
+	UserMentions    UserMentionMap     `json:"-"`
+	ChannelMentions ChannelMentionMap  `json:"-"`
+
+	// DO NOT USE Session field is deprecated. MM-26398
+	Session Session `json:"-"`
+}
+
+// AddUserMention adds or overrides an entry in UserMentions with name username
+// and identifier userId
+func (o *CommandArgs) AddUserMention(username, userId string) {
+	if o.UserMentions == nil {
+		o.UserMentions = make(UserMentionMap)
+	}
+
+	o.UserMentions[username] = userId
+}
+
+// AddChannelMention adds or overrides an entry in ChannelMentions with name
+// channelName and identifier channelId
+func (o *CommandArgs) AddChannelMention(channelName, channelId string) {
+	if o.ChannelMentions == nil {
+		o.ChannelMentions = make(ChannelMentionMap)
+	}
+
+	o.ChannelMentions[channelName] = channelId
+}

vendor/github.com/mattermost/mattermost-server/v6/model/command_autocomplete.go

@@ -0,0 +1,410 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"net/url"
+	"path"
+	"reflect"
+	"strings"
+
+	"github.com/pkg/errors"
+)
+
+// AutocompleteArgType describes autocomplete argument type
+type AutocompleteArgType string
+
+// Argument types
+const (
+	AutocompleteArgTypeText        AutocompleteArgType = "TextInput"
+	AutocompleteArgTypeStaticList  AutocompleteArgType = "StaticList"
+	AutocompleteArgTypeDynamicList AutocompleteArgType = "DynamicList"
+)
+
+// AutocompleteData describes slash command autocomplete information.
+type AutocompleteData struct {
+	// Trigger of the command
+	Trigger string
+	// Hint of a command
+	Hint string
+	// Text displayed to the user to help with the autocomplete description
+	HelpText string
+	// Role of the user who should be able to see the autocomplete info of this command
+	RoleID string
+	// Arguments of the command. Arguments can be named or positional.
+	// If they are positional order in the list matters, if they are named order does not matter.
+	// All arguments should be either named or positional, no mixing allowed.
+	Arguments []*AutocompleteArg
+	// Subcommands of the command
+	SubCommands []*AutocompleteData
+}
+
+// AutocompleteArg describes an argument of the command. Arguments can be named or positional.
+// If Name is empty string Argument is positional otherwise it is named argument.
+// Named arguments are passed as --Name Argument_Value.
+type AutocompleteArg struct {
+	// Name of the argument
+	Name string
+	// Text displayed to the user to help with the autocomplete
+	HelpText string
+	// Type of the argument
+	Type AutocompleteArgType
+	// Required determines if argument is optional or not.
+	Required bool
+	// Actual data of the argument (depends on the Type)
+	Data interface{}
+}
+
+// AutocompleteTextArg describes text user can input as an argument.
+type AutocompleteTextArg struct {
+	// Hint of the input text
+	Hint string
+	// Regex pattern to match
+	Pattern string
+}
+
+// AutocompleteListItem describes an item in the AutocompleteStaticListArg.
+type AutocompleteListItem struct {
+	Item     string
+	Hint     string
+	HelpText string
+}
+
+// AutocompleteStaticListArg is used to input one of the arguments from the list,
+// for example [yes, no], [on, off], and so on.
+type AutocompleteStaticListArg struct {
+	PossibleArguments []AutocompleteListItem
+}
+
+// AutocompleteDynamicListArg is used when user wants to download possible argument list from the URL.
+type AutocompleteDynamicListArg struct {
+	FetchURL string
+}
+
+// AutocompleteSuggestion describes a single suggestion item sent to the front-end
+// Example: for user input `/jira cre` -
+// Complete might be `/jira create`
+// Suggestion might be `create`,
+// Hint might be `[issue text]`,
+// Description might be `Create a new Issue`
+type AutocompleteSuggestion struct {
+	// Complete describes completed suggestion
+	Complete string
+	// Suggestion describes what user might want to input next
+	Suggestion string
+	// Hint describes a hint about the suggested input
+	Hint string
+	// Description of the command or a suggestion
+	Description string
+	// IconData is base64 encoded svg image
+	IconData string
+}
+
+// NewAutocompleteData returns new Autocomplete data.
+func NewAutocompleteData(trigger, hint, helpText string) *AutocompleteData {
+	return &AutocompleteData{
+		Trigger:     trigger,
+		Hint:        hint,
+		HelpText:    helpText,
+		RoleID:      SystemUserRoleId,
+		Arguments:   []*AutocompleteArg{},
+		SubCommands: []*AutocompleteData{},
+	}
+}
+
+// AddCommand adds a subcommand to the autocomplete data.
+func (ad *AutocompleteData) AddCommand(command *AutocompleteData) {
+	ad.SubCommands = append(ad.SubCommands, command)
+}
+
+// AddTextArgument adds positional AutocompleteArgTypeText argument to the command.
+func (ad *AutocompleteData) AddTextArgument(helpText, hint, pattern string) {
+	ad.AddNamedTextArgument("", helpText, hint, pattern, true)
+}
+
+// AddNamedTextArgument adds named AutocompleteArgTypeText argument to the command.
+func (ad *AutocompleteData) AddNamedTextArgument(name, helpText, hint, pattern string, required bool) {
+	argument := AutocompleteArg{
+		Name:     name,
+		HelpText: helpText,
+		Type:     AutocompleteArgTypeText,
+		Required: required,
+		Data:     &AutocompleteTextArg{Hint: hint, Pattern: pattern},
+	}
+	ad.Arguments = append(ad.Arguments, &argument)
+}
+
+// AddStaticListArgument adds positional AutocompleteArgTypeStaticList argument to the command.
+func (ad *AutocompleteData) AddStaticListArgument(helpText string, required bool, items []AutocompleteListItem) {
+	ad.AddNamedStaticListArgument("", helpText, required, items)
+}
+
+// AddNamedStaticListArgument adds named AutocompleteArgTypeStaticList argument to the command.
+func (ad *AutocompleteData) AddNamedStaticListArgument(name, helpText string, required bool, items []AutocompleteListItem) {
+	argument := AutocompleteArg{
+		Name:     name,
+		HelpText: helpText,
+		Type:     AutocompleteArgTypeStaticList,
+		Required: required,
+		Data:     &AutocompleteStaticListArg{PossibleArguments: items},
+	}
+	ad.Arguments = append(ad.Arguments, &argument)
+}
+
+// AddDynamicListArgument adds positional AutocompleteArgTypeDynamicList argument to the command.
+func (ad *AutocompleteData) AddDynamicListArgument(helpText, url string, required bool) {
+	ad.AddNamedDynamicListArgument("", helpText, url, required)
+}
+
+// AddNamedDynamicListArgument adds named AutocompleteArgTypeDynamicList argument to the command.
+func (ad *AutocompleteData) AddNamedDynamicListArgument(name, helpText, url string, required bool) {
+	argument := AutocompleteArg{
+		Name:     name,
+		HelpText: helpText,
+		Type:     AutocompleteArgTypeDynamicList,
+		Required: required,
+		Data:     &AutocompleteDynamicListArg{FetchURL: url},
+	}
+	ad.Arguments = append(ad.Arguments, &argument)
+}
+
+// Equals method checks if command is the same.
+func (ad *AutocompleteData) Equals(command *AutocompleteData) bool {
+	if !(ad.Trigger == command.Trigger && ad.HelpText == command.HelpText && ad.RoleID == command.RoleID && ad.Hint == command.Hint) {
+		return false
+	}
+	if len(ad.Arguments) != len(command.Arguments) || len(ad.SubCommands) != len(command.SubCommands) {
+		return false
+	}
+	for i := range ad.Arguments {
+		if !ad.Arguments[i].Equals(command.Arguments[i]) {
+			return false
+		}
+	}
+	for i := range ad.SubCommands {
+		if !ad.SubCommands[i].Equals(command.SubCommands[i]) {
+			return false
+		}
+	}
+	return true
+}
+
+// UpdateRelativeURLsForPluginCommands method updates relative urls for plugin commands
+func (ad *AutocompleteData) UpdateRelativeURLsForPluginCommands(baseURL *url.URL) error {
+	for _, arg := range ad.Arguments {
+		if arg.Type != AutocompleteArgTypeDynamicList {
+			continue
+		}
+		dynamicList, ok := arg.Data.(*AutocompleteDynamicListArg)
+		if !ok {
+			return errors.New("Not a proper DynamicList type argument")
+		}
+		dynamicListURL, err := url.Parse(dynamicList.FetchURL)
+		if err != nil {
+			return errors.Wrapf(err, "FetchURL is not a proper url")
+		}
+		if !dynamicListURL.IsAbs() {
+			absURL := &url.URL{}
+			*absURL = *baseURL
+			absURL.Path = path.Join(absURL.Path, dynamicList.FetchURL)
+			dynamicList.FetchURL = absURL.String()
+		}
+
+	}
+	for _, command := range ad.SubCommands {
+		err := command.UpdateRelativeURLsForPluginCommands(baseURL)
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+// IsValid method checks if autocomplete data is valid.
+func (ad *AutocompleteData) IsValid() error {
+	if ad == nil {
+		return errors.New("No nil commands are allowed in AutocompleteData")
+	}
+	if ad.Trigger == "" {
+		return errors.New("An empty command name in the autocomplete data")
+	}
+	if strings.ToLower(ad.Trigger) != ad.Trigger {
+		return errors.New("Command should be lowercase")
+	}
+	roles := []string{SystemAdminRoleId, SystemUserRoleId, ""}
+	if stringNotInSlice(ad.RoleID, roles) {
+		return errors.New("Wrong role in the autocomplete data")
+	}
+	if len(ad.Arguments) > 0 && len(ad.SubCommands) > 0 {
+		return errors.New("Command can't have arguments and subcommands")
+	}
+	if len(ad.Arguments) > 0 {
+		namedArgumentIndex := -1
+		for i, arg := range ad.Arguments {
+			if arg.Name != "" { // it's a named argument
+				if namedArgumentIndex == -1 { // first named argument
+					namedArgumentIndex = i
+				}
+			} else { // it's a positional argument
+				if namedArgumentIndex != -1 {
+					return errors.New("Named argument should not be before positional argument")
+				}
+			}
+			if arg.Type == AutocompleteArgTypeDynamicList {
+				dynamicList, ok := arg.Data.(*AutocompleteDynamicListArg)
+				if !ok {
+					return errors.New("Not a proper DynamicList type argument")
+				}
+				_, err := url.Parse(dynamicList.FetchURL)
+				if err != nil {
+					return errors.Wrapf(err, "FetchURL is not a proper url")
+				}
+			} else if arg.Type == AutocompleteArgTypeStaticList {
+				staticList, ok := arg.Data.(*AutocompleteStaticListArg)
+				if !ok {
+					return errors.New("Not a proper StaticList type argument")
+				}
+				for _, arg := range staticList.PossibleArguments {
+					if arg.Item == "" {
+						return errors.New("Possible argument name not set in StaticList argument")
+					}
+				}
+			} else if arg.Type == AutocompleteArgTypeText {
+				if _, ok := arg.Data.(*AutocompleteTextArg); !ok {
+					return errors.New("Not a proper TextInput type argument")
+				}
+				if arg.Name == "" && !arg.Required {
+					return errors.New("Positional argument can not be optional")
+				}
+			}
+		}
+	}
+	for _, command := range ad.SubCommands {
+		err := command.IsValid()
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+// Equals method checks if argument is the same.
+func (a *AutocompleteArg) Equals(arg *AutocompleteArg) bool {
+	if a.Name != arg.Name ||
+		a.HelpText != arg.HelpText ||
+		a.Type != arg.Type ||
+		a.Required != arg.Required ||
+		!reflect.DeepEqual(a.Data, arg.Data) {
+		return false
+	}
+	return true
+}
+
+// UnmarshalJSON will unmarshal argument
+func (a *AutocompleteArg) UnmarshalJSON(b []byte) error {
+	var arg map[string]interface{}
+	if err := json.Unmarshal(b, &arg); err != nil {
+		return errors.Wrapf(err, "Can't unmarshal argument %s", string(b))
+	}
+	var ok bool
+	a.Name, ok = arg["Name"].(string)
+	if !ok {
+		return errors.Errorf("No field Name in the argument %s", string(b))
+	}
+
+	a.HelpText, ok = arg["HelpText"].(string)
+	if !ok {
+		return errors.Errorf("No field HelpText in the argument %s", string(b))
+	}
+
+	t, ok := arg["Type"].(string)
+	if !ok {
+		return errors.Errorf("No field Type in the argument %s", string(b))
+	}
+	a.Type = AutocompleteArgType(t)
+
+	a.Required, ok = arg["Required"].(bool)
+	if !ok {
+		return errors.Errorf("No field Required in the argument %s", string(b))
+	}
+
+	data, ok := arg["Data"]
+	if !ok {
+		return errors.Errorf("No field Data in the argument %s", string(b))
+	}
+
+	if a.Type == AutocompleteArgTypeText {
+		m, ok := data.(map[string]interface{})
+		if !ok {
+			return errors.Errorf("Wrong Data type in the TextInput argument %s", string(b))
+		}
+		pattern, ok := m["Pattern"].(string)
+		if !ok {
+			return errors.Errorf("No field Pattern in the TextInput argument %s", string(b))
+		}
+		hint, ok := m["Hint"].(string)
+		if !ok {
+			return errors.Errorf("No field Hint in the TextInput argument %s", string(b))
+		}
+		a.Data = &AutocompleteTextArg{Hint: hint, Pattern: pattern}
+	} else if a.Type == AutocompleteArgTypeStaticList {
+		m, ok := data.(map[string]interface{})
+		if !ok {
+			return errors.Errorf("Wrong Data type in the StaticList argument %s", string(b))
+		}
+		list, ok := m["PossibleArguments"].([]interface{})
+		if !ok {
+			return errors.Errorf("No field PossibleArguments in the StaticList argument %s", string(b))
+		}
+
+		possibleArguments := []AutocompleteListItem{}
+		for i := range list {
+			args, ok := list[i].(map[string]interface{})
+			if !ok {
+				return errors.Errorf("Wrong AutocompleteStaticListItem type in the StaticList argument %s", string(b))
+			}
+			item, ok := args["Item"].(string)
+			if !ok {
+				return errors.Errorf("No field Item in the StaticList's possible arguments %s", string(b))
+			}
+
+			hint, ok := args["Hint"].(string)
+			if !ok {
+				return errors.Errorf("No field Hint in the StaticList's possible arguments %s", string(b))
+			}
+			helpText, ok := args["HelpText"].(string)
+			if !ok {
+				return errors.Errorf("No field Hint in the StaticList's possible arguments %s", string(b))
+			}
+
+			possibleArguments = append(possibleArguments, AutocompleteListItem{
+				Item:     item,
+				Hint:     hint,
+				HelpText: helpText,
+			})
+		}
+		a.Data = &AutocompleteStaticListArg{PossibleArguments: possibleArguments}
+	} else if a.Type == AutocompleteArgTypeDynamicList {
+		m, ok := data.(map[string]interface{})
+		if !ok {
+			return errors.Errorf("Wrong type in the DynamicList argument %s", string(b))
+		}
+		url, ok := m["FetchURL"].(string)
+		if !ok {
+			return errors.Errorf("No field FetchURL in the DynamicList's argument %s", string(b))
+		}
+		a.Data = &AutocompleteDynamicListArg{FetchURL: url}
+	}
+	return nil
+}
+
+func stringNotInSlice(a string, slice []string) bool {
+	for _, b := range slice {
+		if b == a {
+			return false
+		}
+	}
+	return true
+}

vendor/github.com/mattermost/mattermost-server/v6/model/command_request.go

@@ -0,0 +1,8 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+type CommandMoveRequest struct {
+	TeamId string `json:"team_id"`
+}

vendor/github.com/mattermost/mattermost-server/v6/model/command_response.go

@@ -0,0 +1,72 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"io"
+	"io/ioutil"
+	"strings"
+
+	"github.com/mattermost/mattermost-server/v6/utils/jsonutils"
+)
+
+const (
+	CommandResponseTypeInChannel = "in_channel"
+	CommandResponseTypeEphemeral = "ephemeral"
+)
+
+type CommandResponse struct {
+	ResponseType     string             `json:"response_type"`
+	Text             string             `json:"text"`
+	Username         string             `json:"username"`
+	ChannelId        string             `json:"channel_id"`
+	IconURL          string             `json:"icon_url"`
+	Type             string             `json:"type"`
+	Props            StringInterface    `json:"props"`
+	GotoLocation     string             `json:"goto_location"`
+	TriggerId        string             `json:"trigger_id"`
+	SkipSlackParsing bool               `json:"skip_slack_parsing"` // Set to `true` to skip the Slack-compatibility handling of Text.
+	Attachments      []*SlackAttachment `json:"attachments"`
+	ExtraResponses   []*CommandResponse `json:"extra_responses"`
+}
+
+func CommandResponseFromHTTPBody(contentType string, body io.Reader) (*CommandResponse, error) {
+	if strings.TrimSpace(strings.Split(contentType, ";")[0]) == "application/json" {
+		return CommandResponseFromJSON(body)
+	}
+	if b, err := ioutil.ReadAll(body); err == nil {
+		return CommandResponseFromPlainText(string(b)), nil
+	}
+	return nil, nil
+}
+
+func CommandResponseFromPlainText(text string) *CommandResponse {
+	return &CommandResponse{
+		Text: text,
+	}
+}
+
+func CommandResponseFromJSON(data io.Reader) (*CommandResponse, error) {
+	b, err := ioutil.ReadAll(data)
+	if err != nil {
+		return nil, err
+	}
+
+	var o CommandResponse
+	err = json.Unmarshal(b, &o)
+	if err != nil {
+		return nil, jsonutils.HumanizeJSONError(err, b)
+	}
+
+	o.Attachments = StringifySlackFieldValue(o.Attachments)
+
+	if o.ExtraResponses != nil {
+		for _, resp := range o.ExtraResponses {
+			resp.Attachments = StringifySlackFieldValue(resp.Attachments)
+		}
+	}
+
+	return &o, nil
+}

vendor/github.com/mattermost/mattermost-server/v6/model/command_webhook.go

@@ -0,0 +1,60 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"net/http"
+)
+
+type CommandWebhook struct {
+	Id        string
+	CreateAt  int64
+	CommandId string
+	UserId    string
+	ChannelId string
+	RootId    string
+	UseCount  int
+}
+
+const (
+	CommandWebhookLifetime = 1000 * 60 * 30
+)
+
+func (o *CommandWebhook) PreSave() {
+	if o.Id == "" {
+		o.Id = NewId()
+	}
+
+	if o.CreateAt == 0 {
+		o.CreateAt = GetMillis()
+	}
+}
+
+func (o *CommandWebhook) IsValid() *AppError {
+	if !IsValidId(o.Id) {
+		return NewAppError("CommandWebhook.IsValid", "model.command_hook.id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if o.CreateAt == 0 {
+		return NewAppError("CommandWebhook.IsValid", "model.command_hook.create_at.app_error", nil, "id="+o.Id, http.StatusBadRequest)
+	}
+
+	if !IsValidId(o.CommandId) {
+		return NewAppError("CommandWebhook.IsValid", "model.command_hook.command_id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if !IsValidId(o.UserId) {
+		return NewAppError("CommandWebhook.IsValid", "model.command_hook.user_id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if !IsValidId(o.ChannelId) {
+		return NewAppError("CommandWebhook.IsValid", "model.command_hook.channel_id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if o.RootId != "" && !IsValidId(o.RootId) {
+		return NewAppError("CommandWebhook.IsValid", "model.command_hook.root_id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	return nil
+}

vendor/github.com/mattermost/mattermost-server/v6/model/compliance.go

@@ -0,0 +1,109 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"net/http"
+	"strings"
+)
+
+const (
+	ComplianceStatusCreated  = "created"
+	ComplianceStatusRunning  = "running"
+	ComplianceStatusFinished = "finished"
+	ComplianceStatusFailed   = "failed"
+	ComplianceStatusRemoved  = "removed"
+
+	ComplianceTypeDaily = "daily"
+	ComplianceTypeAdhoc = "adhoc"
+)
+
+type Compliance struct {
+	Id       string `json:"id"`
+	CreateAt int64  `json:"create_at"`
+	UserId   string `json:"user_id"`
+	Status   string `json:"status"`
+	Count    int    `json:"count"`
+	Desc     string `json:"desc"`
+	Type     string `json:"type"`
+	StartAt  int64  `json:"start_at"`
+	EndAt    int64  `json:"end_at"`
+	Keywords string `json:"keywords"`
+	Emails   string `json:"emails"`
+}
+
+type Compliances []Compliance
+
+// ComplianceExportCursor is used for paginated iteration of posts
+// for compliance export.
+// We need to keep track of the last post ID in addition to the last post
+// CreateAt to break ties when two posts have the same CreateAt.
+type ComplianceExportCursor struct {
+	LastChannelsQueryPostCreateAt       int64
+	LastChannelsQueryPostID             string
+	ChannelsQueryCompleted              bool
+	LastDirectMessagesQueryPostCreateAt int64
+	LastDirectMessagesQueryPostID       string
+	DirectMessagesQueryCompleted        bool
+}
+
+func (c *Compliance) PreSave() {
+	if c.Id == "" {
+		c.Id = NewId()
+	}
+
+	if c.Status == "" {
+		c.Status = ComplianceStatusCreated
+	}
+
+	c.Count = 0
+	c.Emails = NormalizeEmail(c.Emails)
+	c.Keywords = strings.ToLower(c.Keywords)
+
+	c.CreateAt = GetMillis()
+}
+
+func (c *Compliance) DeepCopy() *Compliance {
+	copy := *c
+	return &copy
+}
+
+func (c *Compliance) JobName() string {
+	jobName := c.Type
+	if c.Type == ComplianceTypeDaily {
+		jobName += "-" + c.Desc
+	}
+
+	jobName += "-" + c.Id
+
+	return jobName
+}
+
+func (c *Compliance) IsValid() *AppError {
+	if !IsValidId(c.Id) {
+		return NewAppError("Compliance.IsValid", "model.compliance.is_valid.id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if c.CreateAt == 0 {
+		return NewAppError("Compliance.IsValid", "model.compliance.is_valid.create_at.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if len(c.Desc) > 512 || c.Desc == "" {
+		return NewAppError("Compliance.IsValid", "model.compliance.is_valid.desc.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if c.StartAt == 0 {
+		return NewAppError("Compliance.IsValid", "model.compliance.is_valid.start_at.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if c.EndAt == 0 {
+		return NewAppError("Compliance.IsValid", "model.compliance.is_valid.end_at.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if c.EndAt <= c.StartAt {
+		return NewAppError("Compliance.IsValid", "model.compliance.is_valid.start_end_at.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	return nil
+}

vendor/github.com/mattermost/mattermost-server/v6/model/compliance_post.go

@@ -0,0 +1,121 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"regexp"
+	"time"
+)
+
+type CompliancePost struct {
+
+	// From Team
+	TeamName        string
+	TeamDisplayName string
+
+	// From Channel
+	ChannelName        string
+	ChannelDisplayName string
+	ChannelType        string
+
+	// From User
+	UserUsername string
+	UserEmail    string
+	UserNickname string
+
+	// From Post
+	PostId         string
+	PostCreateAt   int64
+	PostUpdateAt   int64
+	PostDeleteAt   int64
+	PostRootId     string
+	PostOriginalId string
+	PostMessage    string
+	PostType       string
+	PostProps      string
+	PostHashtags   string
+	PostFileIds    string
+
+	IsBot bool
+}
+
+func CompliancePostHeader() []string {
+	return []string{
+		"TeamName",
+		"TeamDisplayName",
+
+		"ChannelName",
+		"ChannelDisplayName",
+		"ChannelType",
+
+		"UserUsername",
+		"UserEmail",
+		"UserNickname",
+		"UserType",
+
+		"PostId",
+		"PostCreateAt",
+		"PostUpdateAt",
+		"PostDeleteAt",
+		"PostRootId",
+		"PostOriginalId",
+		"PostMessage",
+		"PostType",
+		"PostProps",
+		"PostHashtags",
+		"PostFileIds",
+	}
+}
+
+func cleanComplianceStrings(in string) string {
+	if matched, _ := regexp.MatchString("^\\s*(=|\\+|\\-)", in); matched {
+		return "'" + in
+	}
+	return in
+}
+
+func (cp *CompliancePost) Row() []string {
+
+	postDeleteAt := ""
+	if cp.PostDeleteAt > 0 {
+		postDeleteAt = time.Unix(0, cp.PostDeleteAt*int64(1000*1000)).Format(time.RFC3339)
+	}
+
+	postUpdateAt := ""
+	if cp.PostUpdateAt != cp.PostCreateAt {
+		postUpdateAt = time.Unix(0, cp.PostUpdateAt*int64(1000*1000)).Format(time.RFC3339)
+	}
+
+	userType := "user"
+	if cp.IsBot {
+		userType = "bot"
+	}
+
+	return []string{
+		cleanComplianceStrings(cp.TeamName),
+		cleanComplianceStrings(cp.TeamDisplayName),
+
+		cleanComplianceStrings(cp.ChannelName),
+		cleanComplianceStrings(cp.ChannelDisplayName),
+		cleanComplianceStrings(cp.ChannelType),
+
+		cleanComplianceStrings(cp.UserUsername),
+		cleanComplianceStrings(cp.UserEmail),
+		cleanComplianceStrings(cp.UserNickname),
+		userType,
+
+		cp.PostId,
+		time.Unix(0, cp.PostCreateAt*int64(1000*1000)).Format(time.RFC3339),
+		postUpdateAt,
+		postDeleteAt,
+
+		cp.PostRootId,
+		cp.PostOriginalId,
+		cleanComplianceStrings(cp.PostMessage),
+		cp.PostType,
+		cp.PostProps,
+		cp.PostHashtags,
+		cp.PostFileIds,
+	}
+}

vendor/github.com/mattermost/mattermost-server/v6/model/custom_status.go

@@ -0,0 +1,140 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"time"
+)
+
+const (
+	UserPropsKeyCustomStatus = "customStatus"
+
+	CustomStatusTextMaxRunes = 100
+	MaxRecentCustomStatuses  = 5
+	DefaultCustomStatusEmoji = "speech_balloon"
+)
+
+var validCustomStatusDuration = map[string]bool{
+	"thirty_minutes": true,
+	"one_hour":       true,
+	"four_hours":     true,
+	"today":          true,
+	"this_week":      true,
+	"date_and_time":  true,
+}
+
+type CustomStatus struct {
+	Emoji     string    `json:"emoji"`
+	Text      string    `json:"text"`
+	Duration  string    `json:"duration"`
+	ExpiresAt time.Time `json:"expires_at"`
+}
+
+func (cs *CustomStatus) PreSave() {
+	if cs.Emoji == "" {
+		cs.Emoji = DefaultCustomStatusEmoji
+	}
+
+	if cs.Duration == "" && !cs.ExpiresAt.Before(time.Now()) {
+		cs.Duration = "date_and_time"
+	}
+
+	runes := []rune(cs.Text)
+	if len(runes) > CustomStatusTextMaxRunes {
+		cs.Text = string(runes[:CustomStatusTextMaxRunes])
+	}
+}
+
+func (cs *CustomStatus) AreDurationAndExpirationTimeValid() bool {
+	if cs.Duration == "" && (cs.ExpiresAt.IsZero() || !cs.ExpiresAt.Before(time.Now())) {
+		return true
+	}
+
+	if validCustomStatusDuration[cs.Duration] && !cs.ExpiresAt.Before(time.Now()) {
+		return true
+	}
+
+	return false
+}
+
+func RuneToHexadecimalString(r rune) string {
+	return fmt.Sprintf("%04x", r)
+}
+
+type RecentCustomStatuses []CustomStatus
+
+func (rcs RecentCustomStatuses) Contains(cs *CustomStatus) (bool, error) {
+	if cs == nil {
+		return false, nil
+	}
+
+	csJSON, jsonErr := json.Marshal(cs)
+	if jsonErr != nil {
+		return false, jsonErr
+	}
+
+	// status is empty
+	if len(csJSON) == 0 || (cs.Emoji == "" && cs.Text == "") {
+		return false, nil
+	}
+
+	for _, status := range rcs {
+		js, jsonErr := json.Marshal(status)
+		if jsonErr != nil {
+			return false, jsonErr
+		}
+		if bytes.Equal(js, csJSON) {
+			return true, nil
+		}
+	}
+
+	return false, nil
+}
+
+func (rcs RecentCustomStatuses) Add(cs *CustomStatus) RecentCustomStatuses {
+	newRCS := rcs[:0]
+
+	// if same `text` exists in existing recent custom statuses, modify existing status
+	for _, status := range rcs {
+		if status.Text != cs.Text {
+			newRCS = append(newRCS, status)
+		}
+	}
+	newRCS = append(RecentCustomStatuses{*cs}, newRCS...)
+	if len(newRCS) > MaxRecentCustomStatuses {
+		newRCS = newRCS[:MaxRecentCustomStatuses]
+	}
+	return newRCS
+}
+
+func (rcs RecentCustomStatuses) Remove(cs *CustomStatus) (RecentCustomStatuses, error) {
+	if cs == nil {
+		return rcs, nil
+	}
+
+	csJSON, jsonErr := json.Marshal(cs)
+	if jsonErr != nil {
+		return rcs, jsonErr
+	}
+
+	if len(csJSON) == 0 || (cs.Emoji == "" && cs.Text == "") {
+		return rcs, nil
+	}
+
+	newRCS := rcs[:0]
+	for _, status := range rcs {
+		js, jsonErr := json.Marshal(status)
+		if jsonErr != nil {
+			return rcs, jsonErr
+		}
+		if !bytes.Equal(js, csJSON) {
+			newRCS = append(newRCS, status)
+		}
+	}
+
+	return newRCS, nil
+}

vendor/github.com/mattermost/mattermost-server/v6/model/data_retention_policy.go

@@ -0,0 +1,70 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+type GlobalRetentionPolicy struct {
+	MessageDeletionEnabled bool  `json:"message_deletion_enabled"`
+	FileDeletionEnabled    bool  `json:"file_deletion_enabled"`
+	MessageRetentionCutoff int64 `json:"message_retention_cutoff"`
+	FileRetentionCutoff    int64 `json:"file_retention_cutoff"`
+}
+
+type RetentionPolicy struct {
+	ID           string `db:"Id" json:"id"`
+	DisplayName  string `json:"display_name"`
+	PostDuration *int64 `json:"post_duration"`
+}
+
+type RetentionPolicyWithTeamAndChannelIDs struct {
+	RetentionPolicy
+	TeamIDs    []string `json:"team_ids"`
+	ChannelIDs []string `json:"channel_ids"`
+}
+
+type RetentionPolicyWithTeamAndChannelCounts struct {
+	RetentionPolicy
+	ChannelCount int64 `json:"channel_count"`
+	TeamCount    int64 `json:"team_count"`
+}
+
+type RetentionPolicyChannel struct {
+	PolicyID  string `db:"PolicyId"`
+	ChannelID string `db:"ChannelId"`
+}
+
+type RetentionPolicyTeam struct {
+	PolicyID string `db:"PolicyId"`
+	TeamID   string `db:"TeamId"`
+}
+
+type RetentionPolicyWithTeamAndChannelCountsList struct {
+	Policies   []*RetentionPolicyWithTeamAndChannelCounts `json:"policies"`
+	TotalCount int64                                      `json:"total_count"`
+}
+
+type RetentionPolicyForTeam struct {
+	TeamID       string `db:"Id" json:"team_id"`
+	PostDuration int64  `json:"post_duration"`
+}
+
+type RetentionPolicyForTeamList struct {
+	Policies   []*RetentionPolicyForTeam `json:"policies"`
+	TotalCount int64                     `json:"total_count"`
+}
+
+type RetentionPolicyForChannel struct {
+	ChannelID    string `db:"Id" json:"channel_id"`
+	PostDuration int64  `json:"post_duration"`
+}
+
+type RetentionPolicyForChannelList struct {
+	Policies   []*RetentionPolicyForChannel `json:"policies"`
+	TotalCount int64                        `json:"total_count"`
+}
+
+type RetentionPolicyCursor struct {
+	ChannelPoliciesDone bool
+	TeamPoliciesDone    bool
+	GlobalPoliciesDone  bool
+}

vendor/github.com/mattermost/mattermost-server/v6/model/emoji.go

@@ -0,0 +1,95 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"net/http"
+	"regexp"
+	"sort"
+)
+
+const (
+	EmojiNameMaxLength = 64
+	EmojiSortByName    = "name"
+)
+
+var EmojiPattern = regexp.MustCompile(`:[a-zA-Z0-9_+-]+:`)
+
+type Emoji struct {
+	Id        string `json:"id"`
+	CreateAt  int64  `json:"create_at"`
+	UpdateAt  int64  `json:"update_at"`
+	DeleteAt  int64  `json:"delete_at"`
+	CreatorId string `json:"creator_id"`
+	Name      string `json:"name"`
+}
+
+func inSystemEmoji(emojiName string) bool {
+	_, ok := SystemEmojis[emojiName]
+	return ok
+}
+
+func GetSystemEmojiId(emojiName string) (string, bool) {
+	id, found := SystemEmojis[emojiName]
+	return id, found
+}
+
+func makeReverseEmojiMap() map[string][]string {
+	reverseEmojiMap := make(map[string][]string)
+	for key, value := range SystemEmojis {
+		emojiNames := reverseEmojiMap[value]
+		emojiNames = append(emojiNames, key)
+		sort.Strings(emojiNames)
+		reverseEmojiMap[value] = emojiNames
+	}
+
+	return reverseEmojiMap
+}
+
+var reverseSystemEmojisMap = makeReverseEmojiMap()
+
+func GetEmojiNameFromUnicode(unicode string) (emojiName string, count int) {
+	if emojiNames, found := reverseSystemEmojisMap[unicode]; found {
+		return emojiNames[0], len(emojiNames)
+	}
+
+	return "", 0
+}
+
+func (emoji *Emoji) IsValid() *AppError {
+	if !IsValidId(emoji.Id) {
+		return NewAppError("Emoji.IsValid", "model.emoji.id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if emoji.CreateAt == 0 {
+		return NewAppError("Emoji.IsValid", "model.emoji.create_at.app_error", nil, "id="+emoji.Id, http.StatusBadRequest)
+	}
+
+	if emoji.UpdateAt == 0 {
+		return NewAppError("Emoji.IsValid", "model.emoji.update_at.app_error", nil, "id="+emoji.Id, http.StatusBadRequest)
+	}
+
+	if len(emoji.CreatorId) > 26 {
+		return NewAppError("Emoji.IsValid", "model.emoji.user_id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	return IsValidEmojiName(emoji.Name)
+}
+
+func IsValidEmojiName(name string) *AppError {
+	if name == "" || len(name) > EmojiNameMaxLength || !IsValidAlphaNumHyphenUnderscorePlus(name) || inSystemEmoji(name) {
+		return NewAppError("Emoji.IsValid", "model.emoji.name.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	return nil
+}
+
+func (emoji *Emoji) PreSave() {
+	if emoji.Id == "" {
+		emoji.Id = NewId()
+	}
+
+	emoji.CreateAt = GetMillis()
+	emoji.UpdateAt = emoji.CreateAt
+}

vendor/github.com/mattermost/mattermost-server/v6/model/emoji_search.go

@@ -0,0 +1,9 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+type EmojiSearch struct {
+	Term       string `json:"term"`
+	PrefixOnly bool   `json:"prefix_only"`
+}

vendor/github.com/mattermost/mattermost-server/v6/model/feature_flags.go

@@ -0,0 +1,104 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"reflect"
+	"strconv"
+)
+
+type FeatureFlags struct {
+	// Exists only for unit and manual testing.
+	// When set to a value, will be returned by the ping endpoint.
+	TestFeature string
+	// Exists only for testing bool functionality. Boolean feature flags interpret "on" or "true" as true and
+	// all other values as false.
+	TestBoolFeature bool
+
+	// Toggle on and off scheduled jobs for cloud user limit emails see MM-29999
+	CloudDelinquentEmailJobsEnabled bool
+
+	// Toggle on and off support for Collapsed Threads
+	CollapsedThreads bool
+
+	// Enable the remote cluster service for shared channels.
+	EnableRemoteClusterService bool
+
+	// AppsEnabled toggle the Apps framework functionalities both in server and client side
+	AppsEnabled bool
+
+	// Feature flags to control plugin versions
+	PluginPlaybooks  string `plugin_id:"playbooks"`
+	PluginApps       string `plugin_id:"com.mattermost.apps"`
+	PluginFocalboard string `plugin_id:"focalboard"`
+
+	// Enable timed dnd support for user status
+	TimedDND bool
+
+	PermalinkPreviews bool
+
+	// Enable the Global Header
+	GlobalHeader bool
+
+	// Enable different team menu button treatments, possible values = ("none", "by_team_name", "inverted_sidebar_bg_color")
+	AddChannelButton string
+}
+
+func (f *FeatureFlags) SetDefaults() {
+	f.TestFeature = "off"
+	f.TestBoolFeature = false
+	f.CloudDelinquentEmailJobsEnabled = false
+	f.CollapsedThreads = true
+	f.EnableRemoteClusterService = false
+	f.AppsEnabled = false
+	f.PluginApps = ""
+	f.PluginFocalboard = ""
+	f.TimedDND = false
+	f.PermalinkPreviews = true
+	f.GlobalHeader = true
+	f.AddChannelButton = "by_team_name"
+}
+
+func (f *FeatureFlags) Plugins() map[string]string {
+	rFFVal := reflect.ValueOf(f).Elem()
+	rFFType := reflect.TypeOf(f).Elem()
+
+	pluginVersions := make(map[string]string)
+	for i := 0; i < rFFVal.NumField(); i++ {
+		rFieldVal := rFFVal.Field(i)
+		rFieldType := rFFType.Field(i)
+
+		pluginId, hasPluginId := rFieldType.Tag.Lookup("plugin_id")
+		if !hasPluginId {
+			continue
+		}
+
+		pluginVersions[pluginId] = rFieldVal.String()
+	}
+
+	return pluginVersions
+}
+
+// ToMap returns the feature flags as a map[string]string
+// Supports boolean and string feature flags.
+func (f *FeatureFlags) ToMap() map[string]string {
+	refStructVal := reflect.ValueOf(*f)
+	refStructType := reflect.TypeOf(*f)
+	ret := make(map[string]string)
+	for i := 0; i < refStructVal.NumField(); i++ {
+		refFieldVal := refStructVal.Field(i)
+		if !refFieldVal.IsValid() {
+			continue
+		}
+		refFieldType := refStructType.Field(i)
+		switch refFieldType.Type.Kind() {
+		case reflect.Bool:
+			ret[refFieldType.Name] = strconv.FormatBool(refFieldVal.Bool())
+		default:
+			ret[refFieldType.Name] = refFieldVal.String()
+		}
+	}
+
+	return ret
+}

vendor/github.com/mattermost/mattermost-server/v6/model/file.go

@@ -0,0 +1,13 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+const (
+	MaxImageSize = int64(6048 * 4032) // 24 megapixels, roughly 36MB as a raw image
+)
+
+type FileUploadResponse struct {
+	FileInfos []*FileInfo `json:"file_infos"`
+	ClientIds []string    `json:"client_ids"`
+}

vendor/github.com/mattermost/mattermost-server/v6/model/file_info.go

@@ -0,0 +1,184 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"image"
+	"image/gif"
+	"io"
+	"mime"
+	"net/http"
+	"path/filepath"
+	"strings"
+)
+
+const (
+	FileinfoSortByCreated = "CreateAt"
+	FileinfoSortBySize    = "Size"
+)
+
+// GetFileInfosOptions contains options for getting FileInfos
+type GetFileInfosOptions struct {
+	// UserIds optionally limits the FileInfos to those created by the given users.
+	UserIds []string `json:"user_ids"`
+	// ChannelIds optionally limits the FileInfos to those created in the given channels.
+	ChannelIds []string `json:"channel_ids"`
+	// Since optionally limits FileInfos to those created at or after the given time, specified as Unix time in milliseconds.
+	Since int64 `json:"since"`
+	// IncludeDeleted if set includes deleted FileInfos.
+	IncludeDeleted bool `json:"include_deleted"`
+	// SortBy sorts the FileInfos by this field. The default is to sort by date created.
+	SortBy string `json:"sort_by"`
+	// SortDescending changes the sort direction to descending order when true.
+	SortDescending bool `json:"sort_descending"`
+}
+
+type FileInfo struct {
+	Id              string  `json:"id"`
+	CreatorId       string  `json:"user_id"`
+	PostId          string  `json:"post_id,omitempty"`
+	ChannelId       string  `db:"-" json:"channel_id"`
+	CreateAt        int64   `json:"create_at"`
+	UpdateAt        int64   `json:"update_at"`
+	DeleteAt        int64   `json:"delete_at"`
+	Path            string  `json:"-"` // not sent back to the client
+	ThumbnailPath   string  `json:"-"` // not sent back to the client
+	PreviewPath     string  `json:"-"` // not sent back to the client
+	Name            string  `json:"name"`
+	Extension       string  `json:"extension"`
+	Size            int64   `json:"size"`
+	MimeType        string  `json:"mime_type"`
+	Width           int     `json:"width,omitempty"`
+	Height          int     `json:"height,omitempty"`
+	HasPreviewImage bool    `json:"has_preview_image,omitempty"`
+	MiniPreview     *[]byte `json:"mini_preview"` // declared as *[]byte to avoid postgres/mysql differences in deserialization
+	Content         string  `json:"-"`
+	RemoteId        *string `json:"remote_id"`
+}
+
+func (fi *FileInfo) PreSave() {
+	if fi.Id == "" {
+		fi.Id = NewId()
+	}
+
+	if fi.CreateAt == 0 {
+		fi.CreateAt = GetMillis()
+	}
+
+	if fi.UpdateAt < fi.CreateAt {
+		fi.UpdateAt = fi.CreateAt
+	}
+
+	if fi.RemoteId == nil {
+		fi.RemoteId = NewString("")
+	}
+}
+
+func (fi *FileInfo) IsValid() *AppError {
+	if !IsValidId(fi.Id) {
+		return NewAppError("FileInfo.IsValid", "model.file_info.is_valid.id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if !IsValidId(fi.CreatorId) && fi.CreatorId != "nouser" {
+		return NewAppError("FileInfo.IsValid", "model.file_info.is_valid.user_id.app_error", nil, "id="+fi.Id, http.StatusBadRequest)
+	}
+
+	if fi.PostId != "" && !IsValidId(fi.PostId) {
+		return NewAppError("FileInfo.IsValid", "model.file_info.is_valid.post_id.app_error", nil, "id="+fi.Id, http.StatusBadRequest)
+	}
+
+	if fi.CreateAt == 0 {
+		return NewAppError("FileInfo.IsValid", "model.file_info.is_valid.create_at.app_error", nil, "id="+fi.Id, http.StatusBadRequest)
+	}
+
+	if fi.UpdateAt == 0 {
+		return NewAppError("FileInfo.IsValid", "model.file_info.is_valid.update_at.app_error", nil, "id="+fi.Id, http.StatusBadRequest)
+	}
+
+	if fi.Path == "" {
+		return NewAppError("FileInfo.IsValid", "model.file_info.is_valid.path.app_error", nil, "id="+fi.Id, http.StatusBadRequest)
+	}
+
+	return nil
+}
+
+func (fi *FileInfo) IsImage() bool {
+	return strings.HasPrefix(fi.MimeType, "image")
+}
+
+func NewInfo(name string) *FileInfo {
+	info := &FileInfo{
+		Name: name,
+	}
+
+	extension := strings.ToLower(filepath.Ext(name))
+	info.MimeType = mime.TypeByExtension(extension)
+
+	if extension != "" && extension[0] == '.' {
+		// The client expects a file extension without the leading period
+		info.Extension = extension[1:]
+	} else {
+		info.Extension = extension
+	}
+
+	return info
+}
+
+func GetInfoForBytes(name string, data io.ReadSeeker, size int) (*FileInfo, *AppError) {
+	info := &FileInfo{
+		Name: name,
+		Size: int64(size),
+	}
+	var err *AppError
+
+	extension := strings.ToLower(filepath.Ext(name))
+	info.MimeType = mime.TypeByExtension(extension)
+
+	if extension != "" && extension[0] == '.' {
+		// The client expects a file extension without the leading period
+		info.Extension = extension[1:]
+	} else {
+		info.Extension = extension
+	}
+
+	if info.IsImage() {
+		// Only set the width and height if it's actually an image that we can understand
+		if config, _, err := image.DecodeConfig(data); err == nil {
+			info.Width = config.Width
+			info.Height = config.Height
+
+			if info.MimeType == "image/gif" {
+				// Just show the gif itself instead of a preview image for animated gifs
+				data.Seek(0, io.SeekStart)
+				gifConfig, err := gif.DecodeAll(data)
+				if err != nil {
+					// Still return the rest of the info even though it doesn't appear to be an actual gif
+					info.HasPreviewImage = true
+					return info, NewAppError("GetInfoForBytes", "model.file_info.get.gif.app_error", nil, err.Error(), http.StatusBadRequest)
+				}
+				info.HasPreviewImage = len(gifConfig.Image) == 1
+			} else {
+				info.HasPreviewImage = true
+			}
+		}
+	}
+
+	return info, err
+}
+
+func GetEtagForFileInfos(infos []*FileInfo) string {
+	if len(infos) == 0 {
+		return Etag()
+	}
+
+	var maxUpdateAt int64
+
+	for _, info := range infos {
+		if info.UpdateAt > maxUpdateAt {
+			maxUpdateAt = info.UpdateAt
+		}
+	}
+
+	return Etag(infos[0].PostId, maxUpdateAt)
+}

vendor/github.com/mattermost/mattermost-server/v6/model/file_info_list.go

@@ -0,0 +1,111 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"sort"
+)
+
+type FileInfoList struct {
+	Order          []string             `json:"order"`
+	FileInfos      map[string]*FileInfo `json:"file_infos"`
+	NextFileInfoId string               `json:"next_file_info_id"`
+	PrevFileInfoId string               `json:"prev_file_info_id"`
+}
+
+func NewFileInfoList() *FileInfoList {
+	return &FileInfoList{
+		Order:          make([]string, 0),
+		FileInfos:      make(map[string]*FileInfo),
+		NextFileInfoId: "",
+		PrevFileInfoId: "",
+	}
+}
+
+func (o *FileInfoList) ToSlice() []*FileInfo {
+	var fileInfos []*FileInfo
+	for _, id := range o.Order {
+		fileInfos = append(fileInfos, o.FileInfos[id])
+	}
+	return fileInfos
+}
+
+func (o *FileInfoList) MakeNonNil() {
+	if o.Order == nil {
+		o.Order = make([]string, 0)
+	}
+
+	if o.FileInfos == nil {
+		o.FileInfos = make(map[string]*FileInfo)
+	}
+}
+
+func (o *FileInfoList) AddOrder(id string) {
+	if o.Order == nil {
+		o.Order = make([]string, 0, 128)
+	}
+
+	o.Order = append(o.Order, id)
+}
+
+func (o *FileInfoList) AddFileInfo(fileInfo *FileInfo) {
+	if o.FileInfos == nil {
+		o.FileInfos = make(map[string]*FileInfo)
+	}
+
+	o.FileInfos[fileInfo.Id] = fileInfo
+}
+
+func (o *FileInfoList) UniqueOrder() {
+	keys := make(map[string]bool)
+	order := []string{}
+	for _, fileInfoId := range o.Order {
+		if _, value := keys[fileInfoId]; !value {
+			keys[fileInfoId] = true
+			order = append(order, fileInfoId)
+		}
+	}
+
+	o.Order = order
+}
+
+func (o *FileInfoList) Extend(other *FileInfoList) {
+	for fileInfoId := range other.FileInfos {
+		o.AddFileInfo(other.FileInfos[fileInfoId])
+	}
+
+	for _, fileInfoId := range other.Order {
+		o.AddOrder(fileInfoId)
+	}
+
+	o.UniqueOrder()
+}
+
+func (o *FileInfoList) SortByCreateAt() {
+	sort.Slice(o.Order, func(i, j int) bool {
+		return o.FileInfos[o.Order[i]].CreateAt > o.FileInfos[o.Order[j]].CreateAt
+	})
+}
+
+func (o *FileInfoList) Etag() string {
+	id := "0"
+	var t int64 = 0
+
+	for _, v := range o.FileInfos {
+		if v.UpdateAt > t {
+			t = v.UpdateAt
+			id = v.Id
+		} else if v.UpdateAt == t && v.Id > id {
+			t = v.UpdateAt
+			id = v.Id
+		}
+	}
+
+	orderId := ""
+	if len(o.Order) > 0 {
+		orderId = o.Order[0]
+	}
+
+	return Etag(orderId, id, t)
+}

vendor/github.com/mattermost/mattermost-server/v6/model/file_info_search_results.go

@@ -0,0 +1,18 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+type FileInfoSearchMatches map[string][]string
+
+type FileInfoSearchResults struct {
+	*FileInfoList
+	Matches FileInfoSearchMatches `json:"matches"`
+}
+
+func MakeFileInfoSearchResults(fileInfos *FileInfoList, matches FileInfoSearchMatches) *FileInfoSearchResults {
+	return &FileInfoSearchResults{
+		fileInfos,
+		matches,
+	}
+}

vendor/github.com/mattermost/mattermost-server/v6/model/gitlab.go

@@ -0,0 +1,8 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+const (
+	UserAuthServiceGitlab = "gitlab"
+)

vendor/github.com/mattermost/mattermost-server/v6/model/group.go

@@ -0,0 +1,190 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"net/http"
+	"regexp"
+)
+
+const (
+	GroupSourceLdap GroupSource = "ldap"
+
+	GroupNameMaxLength        = 64
+	GroupSourceMaxLength      = 64
+	GroupDisplayNameMaxLength = 128
+	GroupDescriptionMaxLength = 1024
+	GroupRemoteIDMaxLength    = 48
+)
+
+type GroupSource string
+
+var allGroupSources = []GroupSource{
+	GroupSourceLdap,
+}
+
+var groupSourcesRequiringRemoteID = []GroupSource{
+	GroupSourceLdap,
+}
+
+type Group struct {
+	Id             string      `json:"id"`
+	Name           *string     `json:"name,omitempty"`
+	DisplayName    string      `json:"display_name"`
+	Description    string      `json:"description"`
+	Source         GroupSource `json:"source"`
+	RemoteId       string      `json:"remote_id"`
+	CreateAt       int64       `json:"create_at"`
+	UpdateAt       int64       `json:"update_at"`
+	DeleteAt       int64       `json:"delete_at"`
+	HasSyncables   bool        `db:"-" json:"has_syncables"`
+	MemberCount    *int        `db:"-" json:"member_count,omitempty"`
+	AllowReference bool        `json:"allow_reference"`
+}
+
+type GroupWithSchemeAdmin struct {
+	Group
+	SchemeAdmin *bool `db:"SyncableSchemeAdmin" json:"scheme_admin,omitempty"`
+}
+
+type GroupsAssociatedToChannelWithSchemeAdmin struct {
+	ChannelId string `json:"channel_id"`
+	Group
+	SchemeAdmin *bool `db:"SyncableSchemeAdmin" json:"scheme_admin,omitempty"`
+}
+type GroupsAssociatedToChannel struct {
+	ChannelId string                  `json:"channel_id"`
+	Groups    []*GroupWithSchemeAdmin `json:"groups"`
+}
+
+type GroupPatch struct {
+	Name           *string `json:"name"`
+	DisplayName    *string `json:"display_name"`
+	Description    *string `json:"description"`
+	AllowReference *bool   `json:"allow_reference"`
+}
+
+type LdapGroupSearchOpts struct {
+	Q            string
+	IsLinked     *bool
+	IsConfigured *bool
+}
+
+type GroupSearchOpts struct {
+	Q                      string
+	NotAssociatedToTeam    string
+	NotAssociatedToChannel string
+	IncludeMemberCount     bool
+	FilterAllowReference   bool
+	PageOpts               *PageOpts
+	Since                  int64
+
+	// FilterParentTeamPermitted filters the groups to the intersect of the
+	// set associated to the parent team and those returned by the query.
+	// If the parent team is not group-constrained or if NotAssociatedToChannel
+	// is not set then this option is ignored.
+	FilterParentTeamPermitted bool
+}
+
+type PageOpts struct {
+	Page    int
+	PerPage int
+}
+
+type GroupStats struct {
+	GroupID          string `json:"group_id"`
+	TotalMemberCount int64  `json:"total_member_count"`
+}
+
+func (group *Group) Patch(patch *GroupPatch) {
+	if patch.Name != nil {
+		group.Name = patch.Name
+	}
+	if patch.DisplayName != nil {
+		group.DisplayName = *patch.DisplayName
+	}
+	if patch.Description != nil {
+		group.Description = *patch.Description
+	}
+	if patch.AllowReference != nil {
+		group.AllowReference = *patch.AllowReference
+	}
+}
+
+func (group *Group) IsValidForCreate() *AppError {
+	err := group.IsValidName()
+	if err != nil {
+		return err
+	}
+
+	if l := len(group.DisplayName); l == 0 || l > GroupDisplayNameMaxLength {
+		return NewAppError("Group.IsValidForCreate", "model.group.display_name.app_error", map[string]interface{}{"GroupDisplayNameMaxLength": GroupDisplayNameMaxLength}, "", http.StatusBadRequest)
+	}
+
+	if len(group.Description) > GroupDescriptionMaxLength {
+		return NewAppError("Group.IsValidForCreate", "model.group.description.app_error", map[string]interface{}{"GroupDescriptionMaxLength": GroupDescriptionMaxLength}, "", http.StatusBadRequest)
+	}
+
+	isValidSource := false
+	for _, groupSource := range allGroupSources {
+		if group.Source == groupSource {
+			isValidSource = true
+			break
+		}
+	}
+	if !isValidSource {
+		return NewAppError("Group.IsValidForCreate", "model.group.source.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if len(group.RemoteId) > GroupRemoteIDMaxLength || (group.RemoteId == "" && group.requiresRemoteId()) {
+		return NewAppError("Group.IsValidForCreate", "model.group.remote_id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	return nil
+}
+
+func (group *Group) requiresRemoteId() bool {
+	for _, groupSource := range groupSourcesRequiringRemoteID {
+		if groupSource == group.Source {
+			return true
+		}
+	}
+	return false
+}
+
+func (group *Group) IsValidForUpdate() *AppError {
+	if !IsValidId(group.Id) {
+		return NewAppError("Group.IsValidForUpdate", "app.group.id.app_error", nil, "", http.StatusBadRequest)
+	}
+	if group.CreateAt == 0 {
+		return NewAppError("Group.IsValidForUpdate", "model.group.create_at.app_error", nil, "", http.StatusBadRequest)
+	}
+	if group.UpdateAt == 0 {
+		return NewAppError("Group.IsValidForUpdate", "model.group.update_at.app_error", nil, "", http.StatusBadRequest)
+	}
+	if err := group.IsValidForCreate(); err != nil {
+		return err
+	}
+	return nil
+}
+
+var validGroupnameChars = regexp.MustCompile(`^[a-z0-9\.\-_]+$`)
+
+func (group *Group) IsValidName() *AppError {
+
+	if group.Name == nil {
+		if group.AllowReference {
+			return NewAppError("Group.IsValidName", "model.group.name.app_error", map[string]interface{}{"GroupNameMaxLength": GroupNameMaxLength}, "", http.StatusBadRequest)
+		}
+	} else {
+		if l := len(*group.Name); l == 0 || l > GroupNameMaxLength {
+			return NewAppError("Group.IsValidName", "model.group.name.invalid_length.app_error", map[string]interface{}{"GroupNameMaxLength": GroupNameMaxLength}, "", http.StatusBadRequest)
+		}
+
+		if !validGroupnameChars.MatchString(*group.Name) {
+			return NewAppError("Group.IsValidName", "model.group.name.invalid_chars.app_error", nil, "", http.StatusBadRequest)
+		}
+	}
+	return nil
+}

vendor/github.com/mattermost/mattermost-server/v6/model/group_member.go

@@ -0,0 +1,23 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import "net/http"
+
+type GroupMember struct {
+	GroupId  string `json:"group_id"`
+	UserId   string `json:"user_id"`
+	CreateAt int64  `json:"create_at"`
+	DeleteAt int64  `json:"delete_at"`
+}
+
+func (gm *GroupMember) IsValid() *AppError {
+	if !IsValidId(gm.GroupId) {
+		return NewAppError("GroupMember.IsValid", "model.group_member.group_id.app_error", nil, "", http.StatusBadRequest)
+	}
+	if !IsValidId(gm.UserId) {
+		return NewAppError("GroupMember.IsValid", "model.group_member.user_id.app_error", nil, "", http.StatusBadRequest)
+	}
+	return nil
+}

vendor/github.com/mattermost/mattermost-server/v6/model/group_syncable.go

@@ -0,0 +1,175 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/http"
+)
+
+type GroupSyncableType string
+
+const (
+	GroupSyncableTypeTeam    GroupSyncableType = "Team"
+	GroupSyncableTypeChannel GroupSyncableType = "Channel"
+)
+
+func (gst GroupSyncableType) String() string {
+	return string(gst)
+}
+
+type GroupSyncable struct {
+	GroupId string `json:"group_id"`
+
+	// SyncableId represents the Id of the model that is being synced with the group, for example a ChannelId or
+	// TeamId.
+	SyncableId string `db:"-" json:"-"`
+
+	AutoAdd     bool              `json:"auto_add"`
+	SchemeAdmin bool              `json:"scheme_admin"`
+	CreateAt    int64             `json:"create_at"`
+	DeleteAt    int64             `json:"delete_at"`
+	UpdateAt    int64             `json:"update_at"`
+	Type        GroupSyncableType `db:"-" json:"-"`
+
+	// Values joined in from the associated team and/or channel
+	ChannelDisplayName string `db:"-" json:"-"`
+	TeamDisplayName    string `db:"-" json:"-"`
+	TeamType           string `db:"-" json:"-"`
+	ChannelType        string `db:"-" json:"-"`
+	TeamID             string `db:"-" json:"-"`
+}
+
+func (syncable *GroupSyncable) IsValid() *AppError {
+	if !IsValidId(syncable.GroupId) {
+		return NewAppError("GroupSyncable.SyncableIsValid", "model.group_syncable.group_id.app_error", nil, "", http.StatusBadRequest)
+	}
+	if !IsValidId(syncable.SyncableId) {
+		return NewAppError("GroupSyncable.SyncableIsValid", "model.group_syncable.syncable_id.app_error", nil, "", http.StatusBadRequest)
+	}
+	return nil
+}
+
+func (syncable *GroupSyncable) UnmarshalJSON(b []byte) error {
+	var kvp map[string]interface{}
+	err := json.Unmarshal(b, &kvp)
+	if err != nil {
+		return err
+	}
+	var channelId string
+	var teamId string
+	for key, value := range kvp {
+		switch key {
+		case "team_id":
+			teamId = value.(string)
+		case "channel_id":
+			channelId = value.(string)
+		case "group_id":
+			syncable.GroupId = value.(string)
+		case "auto_add":
+			syncable.AutoAdd = value.(bool)
+		default:
+		}
+	}
+	if channelId != "" {
+		syncable.TeamID = teamId
+		syncable.SyncableId = channelId
+		syncable.Type = GroupSyncableTypeChannel
+	} else {
+		syncable.SyncableId = teamId
+		syncable.Type = GroupSyncableTypeTeam
+	}
+	return nil
+}
+
+func (syncable *GroupSyncable) MarshalJSON() ([]byte, error) {
+	type Alias GroupSyncable
+	switch syncable.Type {
+	case GroupSyncableTypeTeam:
+		return json.Marshal(&struct {
+			TeamID          string            `json:"team_id"`
+			TeamDisplayName string            `json:"team_display_name,omitempty"`
+			TeamType        string            `json:"team_type,omitempty"`
+			Type            GroupSyncableType `json:"type,omitempty"`
+			*Alias
+		}{
+			TeamDisplayName: syncable.TeamDisplayName,
+			TeamType:        syncable.TeamType,
+			TeamID:          syncable.SyncableId,
+			Type:            syncable.Type,
+			Alias:           (*Alias)(syncable),
+		})
+	case GroupSyncableTypeChannel:
+		return json.Marshal(&struct {
+			ChannelID          string            `json:"channel_id"`
+			ChannelDisplayName string            `json:"channel_display_name,omitempty"`
+			ChannelType        string            `json:"channel_type,omitempty"`
+			Type               GroupSyncableType `json:"type,omitempty"`
+
+			TeamID          string `json:"team_id,omitempty"`
+			TeamDisplayName string `json:"team_display_name,omitempty"`
+			TeamType        string `json:"team_type,omitempty"`
+
+			*Alias
+		}{
+			ChannelID:          syncable.SyncableId,
+			ChannelDisplayName: syncable.ChannelDisplayName,
+			ChannelType:        syncable.ChannelType,
+			Type:               syncable.Type,
+
+			TeamID:          syncable.TeamID,
+			TeamDisplayName: syncable.TeamDisplayName,
+			TeamType:        syncable.TeamType,
+
+			Alias: (*Alias)(syncable),
+		})
+	default:
+		return nil, &json.MarshalerError{
+			Err: fmt.Errorf("unknown syncable type: %s", syncable.Type),
+		}
+	}
+}
+
+type GroupSyncablePatch struct {
+	AutoAdd     *bool `json:"auto_add"`
+	SchemeAdmin *bool `json:"scheme_admin"`
+}
+
+func (syncable *GroupSyncable) Patch(patch *GroupSyncablePatch) {
+	if patch.AutoAdd != nil {
+		syncable.AutoAdd = *patch.AutoAdd
+	}
+	if patch.SchemeAdmin != nil {
+		syncable.SchemeAdmin = *patch.SchemeAdmin
+	}
+}
+
+type UserTeamIDPair struct {
+	UserID string
+	TeamID string
+}
+
+type UserChannelIDPair struct {
+	UserID    string
+	ChannelID string
+}
+
+func NewGroupTeam(groupID, teamID string, autoAdd bool) *GroupSyncable {
+	return &GroupSyncable{
+		GroupId:    groupID,
+		SyncableId: teamID,
+		Type:       GroupSyncableTypeTeam,
+		AutoAdd:    autoAdd,
+	}
+}
+
+func NewGroupChannel(groupID, channelID string, autoAdd bool) *GroupSyncable {
+	return &GroupSyncable{
+		GroupId:    groupID,
+		SyncableId: channelID,
+		Type:       GroupSyncableTypeChannel,
+		AutoAdd:    autoAdd,
+	}
+}

vendor/github.com/mattermost/mattermost-server/v6/model/guest_invite.go

@@ -0,0 +1,39 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"net/http"
+)
+
+type GuestsInvite struct {
+	Emails   []string `json:"emails"`
+	Channels []string `json:"channels"`
+	Message  string   `json:"message"`
+}
+
+// IsValid validates the user and returns an error if it isn't configured
+// correctly.
+func (i *GuestsInvite) IsValid() *AppError {
+	if len(i.Emails) == 0 {
+		return NewAppError("GuestsInvite.IsValid", "model.guest.is_valid.emails.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	for _, email := range i.Emails {
+		if len(email) > UserEmailMaxLength || email == "" || !IsValidEmail(email) {
+			return NewAppError("GuestsInvite.IsValid", "model.guest.is_valid.email.app_error", nil, "email="+email, http.StatusBadRequest)
+		}
+	}
+
+	if len(i.Channels) == 0 {
+		return NewAppError("GuestsInvite.IsValid", "model.guest.is_valid.channels.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	for _, channel := range i.Channels {
+		if len(channel) != 26 {
+			return NewAppError("GuestsInvite.IsValid", "model.guest.is_valid.channel.app_error", nil, "channel="+channel, http.StatusBadRequest)
+		}
+	}
+	return nil
+}

vendor/github.com/mattermost/mattermost-server/v6/model/incoming_webhook.go

@@ -0,0 +1,184 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"bytes"
+	"encoding/json"
+	"io"
+	"net/http"
+	"regexp"
+)
+
+const (
+	DefaultWebhookUsername = "webhook"
+)
+
+type IncomingWebhook struct {
+	Id            string `json:"id"`
+	CreateAt      int64  `json:"create_at"`
+	UpdateAt      int64  `json:"update_at"`
+	DeleteAt      int64  `json:"delete_at"`
+	UserId        string `json:"user_id"`
+	ChannelId     string `json:"channel_id"`
+	TeamId        string `json:"team_id"`
+	DisplayName   string `json:"display_name"`
+	Description   string `json:"description"`
+	Username      string `json:"username"`
+	IconURL       string `json:"icon_url"`
+	ChannelLocked bool   `json:"channel_locked"`
+}
+
+type IncomingWebhookRequest struct {
+	Text        string             `json:"text"`
+	Username    string             `json:"username"`
+	IconURL     string             `json:"icon_url"`
+	ChannelName string             `json:"channel"`
+	Props       StringInterface    `json:"props"`
+	Attachments []*SlackAttachment `json:"attachments"`
+	Type        string             `json:"type"`
+	IconEmoji   string             `json:"icon_emoji"`
+}
+
+func (o *IncomingWebhook) IsValid() *AppError {
+	if !IsValidId(o.Id) {
+		return NewAppError("IncomingWebhook.IsValid", "model.incoming_hook.id.app_error", nil, "", http.StatusBadRequest)
+
+	}
+
+	if o.CreateAt == 0 {
+		return NewAppError("IncomingWebhook.IsValid", "model.incoming_hook.create_at.app_error", nil, "id="+o.Id, http.StatusBadRequest)
+	}
+
+	if o.UpdateAt == 0 {
+		return NewAppError("IncomingWebhook.IsValid", "model.incoming_hook.update_at.app_error", nil, "id="+o.Id, http.StatusBadRequest)
+	}
+
+	if !IsValidId(o.UserId) {
+		return NewAppError("IncomingWebhook.IsValid", "model.incoming_hook.user_id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if !IsValidId(o.ChannelId) {
+		return NewAppError("IncomingWebhook.IsValid", "model.incoming_hook.channel_id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if !IsValidId(o.TeamId) {
+		return NewAppError("IncomingWebhook.IsValid", "model.incoming_hook.team_id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if len(o.DisplayName) > 64 {
+		return NewAppError("IncomingWebhook.IsValid", "model.incoming_hook.display_name.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if len(o.Description) > 500 {
+		return NewAppError("IncomingWebhook.IsValid", "model.incoming_hook.description.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if len(o.Username) > 64 {
+		return NewAppError("IncomingWebhook.IsValid", "model.incoming_hook.username.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if len(o.IconURL) > 1024 {
+		return NewAppError("IncomingWebhook.IsValid", "model.incoming_hook.icon_url.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	return nil
+}
+
+func (o *IncomingWebhook) PreSave() {
+	if o.Id == "" {
+		o.Id = NewId()
+	}
+
+	o.CreateAt = GetMillis()
+	o.UpdateAt = o.CreateAt
+}
+
+func (o *IncomingWebhook) PreUpdate() {
+	o.UpdateAt = GetMillis()
+}
+
+// escapeControlCharsFromPayload escapes control chars (\n, \t) from a byte slice.
+// Context:
+// JSON strings are not supposed to contain control characters such as \n, \t,
+// ... but some incoming webhooks might still send invalid JSON and we want to
+// try to handle that. An example invalid JSON string from an incoming webhook
+// might look like this (strings for both "text" and "fallback" attributes are
+// invalid JSON strings because they contain unescaped newlines and tabs):
+//  `{
+//    "text": "this is a test
+//						 that contains a newline and tabs",
+//    "attachments": [
+//      {
+//        "fallback": "Required plain-text summary of the attachment
+//										that contains a newline and tabs",
+//        "color": "#36a64f",
+//  			...
+//        "text": "Optional text that appears within the attachment
+//								 that contains a newline and tabs",
+//  			...
+//        "thumb_url": "http://example.com/path/to/thumb.png"
+//      }
+//    ]
+//  }`
+// This function will search for `"key": "value"` pairs, and escape \n, \t
+// from the value.
+func escapeControlCharsFromPayload(by []byte) []byte {
+	// we'll search for `"text": "..."` or `"fallback": "..."`, ...
+	keys := "text|fallback|pretext|author_name|title|value"
+
+	// the regexp reads like this:
+	// (?s): this flag let . match \n (default is false)
+	// "(keys)": we search for the keys defined above
+	// \s*:\s*: followed by 0..n spaces/tabs, a colon then 0..n spaces/tabs
+	// ": a double-quote
+	// (\\"|[^"])*: any number of times the `\"` string or any char but a double-quote
+	// ": a double-quote
+	r := `(?s)"(` + keys + `)"\s*:\s*"(\\"|[^"])*"`
+	re := regexp.MustCompile(r)
+
+	// the function that will escape \n and \t on the regexp matches
+	repl := func(b []byte) []byte {
+		if bytes.Contains(b, []byte("\n")) {
+			b = bytes.Replace(b, []byte("\n"), []byte("\\n"), -1)
+		}
+		if bytes.Contains(b, []byte("\t")) {
+			b = bytes.Replace(b, []byte("\t"), []byte("\\t"), -1)
+		}
+
+		return b
+	}
+
+	return re.ReplaceAllFunc(by, repl)
+}
+
+func decodeIncomingWebhookRequest(by []byte) (*IncomingWebhookRequest, error) {
+	decoder := json.NewDecoder(bytes.NewReader(by))
+	var o IncomingWebhookRequest
+	err := decoder.Decode(&o)
+	if err == nil {
+		return &o, nil
+	}
+	return nil, err
+}
+
+func IncomingWebhookRequestFromJSON(data io.Reader) (*IncomingWebhookRequest, *AppError) {
+	buf := new(bytes.Buffer)
+	buf.ReadFrom(data)
+	by := buf.Bytes()
+
+	// Try to decode the JSON data. Only if it fails, try to escape control
+	// characters from the strings contained in the JSON data.
+	o, err := decodeIncomingWebhookRequest(by)
+	if err != nil {
+		o, err = decodeIncomingWebhookRequest(escapeControlCharsFromPayload(by))
+		if err != nil {
+			return nil, NewAppError("IncomingWebhookRequestFromJSON", "model.incoming_hook.parse_data.app_error", nil, err.Error(), http.StatusBadRequest)
+		}
+	}
+
+	o.Attachments = StringifySlackFieldValue(o.Attachments)
+
+	return o, nil
+}

vendor/github.com/mattermost/mattermost-server/v6/model/initial_load.go

@@ -0,0 +1,14 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+type InitialLoad struct {
+	User        *User             `json:"user"`
+	TeamMembers []*TeamMember     `json:"team_members"`
+	Teams       []*Team           `json:"teams"`
+	Preferences Preferences       `json:"preferences"`
+	ClientCfg   map[string]string `json:"client_cfg"`
+	LicenseCfg  map[string]string `json:"license_cfg"`
+	NoAccounts  bool              `json:"no_accounts"`
+}

vendor/github.com/mattermost/mattermost-server/v6/model/integration_action.go

@@ -0,0 +1,470 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"crypto"
+	"crypto/aes"
+	"crypto/cipher"
+	"crypto/ecdsa"
+	"crypto/rand"
+	"encoding/asn1"
+	"encoding/base64"
+	"encoding/json"
+	"fmt"
+	"io"
+	"math/big"
+	"net/http"
+	"reflect"
+	"strconv"
+	"strings"
+)
+
+const (
+	PostActionTypeButton                        = "button"
+	PostActionTypeSelect                        = "select"
+	InteractiveDialogTriggerTimeoutMilliseconds = 3000
+)
+
+var PostActionRetainPropKeys = []string{"from_webhook", "override_username", "override_icon_url"}
+
+type DoPostActionRequest struct {
+	SelectedOption string `json:"selected_option,omitempty"`
+	Cookie         string `json:"cookie,omitempty"`
+}
+
+type PostAction struct {
+	// A unique Action ID. If not set, generated automatically.
+	Id string `json:"id,omitempty"`
+
+	// The type of the interactive element. Currently supported are
+	// "select" and "button".
+	Type string `json:"type,omitempty"`
+
+	// The text on the button, or in the select placeholder.
+	Name string `json:"name,omitempty"`
+
+	// If the action is disabled.
+	Disabled bool `json:"disabled,omitempty"`
+
+	// Style defines a text and border style.
+	// Supported values are "default", "primary", "success", "good", "warning", "danger"
+	// and any hex color.
+	Style string `json:"style,omitempty"`
+
+	// DataSource indicates the data source for the select action. If left
+	// empty, the select is populated from Options. Other supported values
+	// are "users" and "channels".
+	DataSource string `json:"data_source,omitempty"`
+
+	// Options contains the values listed in a select dropdown on the post.
+	Options []*PostActionOptions `json:"options,omitempty"`
+
+	// DefaultOption contains the option, if any, that will appear as the
+	// default selection in a select box. It has no effect when used with
+	// other types of actions.
+	DefaultOption string `json:"default_option,omitempty"`
+
+	// Defines the interaction with the backend upon a user action.
+	// Integration contains Context, which is private plugin data;
+	// Integrations are stripped from Posts when they are sent to the
+	// client, or are encrypted in a Cookie.
+	Integration *PostActionIntegration `json:"integration,omitempty"`
+	Cookie      string                 `json:"cookie,omitempty" db:"-"`
+}
+
+func (p *PostAction) Equals(input *PostAction) bool {
+	if p.Id != input.Id {
+		return false
+	}
+
+	if p.Type != input.Type {
+		return false
+	}
+
+	if p.Name != input.Name {
+		return false
+	}
+
+	if p.DataSource != input.DataSource {
+		return false
+	}
+
+	if p.DefaultOption != input.DefaultOption {
+		return false
+	}
+
+	if p.Cookie != input.Cookie {
+		return false
+	}
+
+	// Compare PostActionOptions
+	if len(p.Options) != len(input.Options) {
+		return false
+	}
+
+	for k := range p.Options {
+		if p.Options[k].Text != input.Options[k].Text {
+			return false
+		}
+
+		if p.Options[k].Value != input.Options[k].Value {
+			return false
+		}
+	}
+
+	// Compare PostActionIntegration
+	if p.Integration.URL != input.Integration.URL {
+		return false
+	}
+
+	if len(p.Integration.Context) != len(input.Integration.Context) {
+		return false
+	}
+
+	for key, value := range p.Integration.Context {
+		inputValue, ok := input.Integration.Context[key]
+		if !ok {
+			return false
+		}
+
+		switch inputValue.(type) {
+		case string, bool, int, float64:
+			if value != inputValue {
+				return false
+			}
+		default:
+			if !reflect.DeepEqual(value, inputValue) {
+				return false
+			}
+		}
+	}
+
+	return true
+}
+
+// PostActionCookie is set by the server, serialized and encrypted into
+// PostAction.Cookie. The clients should hold on to it, and include it with
+// subsequent DoPostAction requests.  This allows the server to access the
+// action metadata even when it's not available in the database, for ephemeral
+// posts.
+type PostActionCookie struct {
+	Type        string                 `json:"type,omitempty"`
+	PostId      string                 `json:"post_id,omitempty"`
+	RootPostId  string                 `json:"root_post_id,omitempty"`
+	ChannelId   string                 `json:"channel_id,omitempty"`
+	DataSource  string                 `json:"data_source,omitempty"`
+	Integration *PostActionIntegration `json:"integration,omitempty"`
+	RetainProps map[string]interface{} `json:"retain_props,omitempty"`
+	RemoveProps []string               `json:"remove_props,omitempty"`
+}
+
+type PostActionOptions struct {
+	Text  string `json:"text"`
+	Value string `json:"value"`
+}
+
+type PostActionIntegration struct {
+	URL     string                 `json:"url,omitempty"`
+	Context map[string]interface{} `json:"context,omitempty"`
+}
+
+type PostActionIntegrationRequest struct {
+	UserId      string                 `json:"user_id"`
+	UserName    string                 `json:"user_name"`
+	ChannelId   string                 `json:"channel_id"`
+	ChannelName string                 `json:"channel_name"`
+	TeamId      string                 `json:"team_id"`
+	TeamName    string                 `json:"team_domain"`
+	PostId      string                 `json:"post_id"`
+	TriggerId   string                 `json:"trigger_id"`
+	Type        string                 `json:"type"`
+	DataSource  string                 `json:"data_source"`
+	Context     map[string]interface{} `json:"context,omitempty"`
+}
+
+type PostActionIntegrationResponse struct {
+	Update           *Post  `json:"update"`
+	EphemeralText    string `json:"ephemeral_text"`
+	SkipSlackParsing bool   `json:"skip_slack_parsing"` // Set to `true` to skip the Slack-compatibility handling of Text.
+}
+
+type PostActionAPIResponse struct {
+	Status    string `json:"status"` // needed to maintain backwards compatibility
+	TriggerId string `json:"trigger_id"`
+}
+
+type Dialog struct {
+	CallbackId       string          `json:"callback_id"`
+	Title            string          `json:"title"`
+	IntroductionText string          `json:"introduction_text"`
+	IconURL          string          `json:"icon_url"`
+	Elements         []DialogElement `json:"elements"`
+	SubmitLabel      string          `json:"submit_label"`
+	NotifyOnCancel   bool            `json:"notify_on_cancel"`
+	State            string          `json:"state"`
+}
+
+type DialogElement struct {
+	DisplayName string               `json:"display_name"`
+	Name        string               `json:"name"`
+	Type        string               `json:"type"`
+	SubType     string               `json:"subtype"`
+	Default     string               `json:"default"`
+	Placeholder string               `json:"placeholder"`
+	HelpText    string               `json:"help_text"`
+	Optional    bool                 `json:"optional"`
+	MinLength   int                  `json:"min_length"`
+	MaxLength   int                  `json:"max_length"`
+	DataSource  string               `json:"data_source"`
+	Options     []*PostActionOptions `json:"options"`
+}
+
+type OpenDialogRequest struct {
+	TriggerId string `json:"trigger_id"`
+	URL       string `json:"url"`
+	Dialog    Dialog `json:"dialog"`
+}
+
+type SubmitDialogRequest struct {
+	Type       string                 `json:"type"`
+	URL        string                 `json:"url,omitempty"`
+	CallbackId string                 `json:"callback_id"`
+	State      string                 `json:"state"`
+	UserId     string                 `json:"user_id"`
+	ChannelId  string                 `json:"channel_id"`
+	TeamId     string                 `json:"team_id"`
+	Submission map[string]interface{} `json:"submission"`
+	Cancelled  bool                   `json:"cancelled"`
+}
+
+type SubmitDialogResponse struct {
+	Error  string            `json:"error,omitempty"`
+	Errors map[string]string `json:"errors,omitempty"`
+}
+
+func GenerateTriggerId(userId string, s crypto.Signer) (string, string, *AppError) {
+	clientTriggerId := NewId()
+	triggerData := strings.Join([]string{clientTriggerId, userId, strconv.FormatInt(GetMillis(), 10)}, ":") + ":"
+
+	h := crypto.SHA256
+	sum := h.New()
+	sum.Write([]byte(triggerData))
+	signature, err := s.Sign(rand.Reader, sum.Sum(nil), h)
+	if err != nil {
+		return "", "", NewAppError("GenerateTriggerId", "interactive_message.generate_trigger_id.signing_failed", nil, err.Error(), http.StatusInternalServerError)
+	}
+
+	base64Sig := base64.StdEncoding.EncodeToString(signature)
+
+	triggerId := base64.StdEncoding.EncodeToString([]byte(triggerData + base64Sig))
+	return clientTriggerId, triggerId, nil
+}
+
+func (r *PostActionIntegrationRequest) GenerateTriggerId(s crypto.Signer) (string, string, *AppError) {
+	clientTriggerId, triggerId, err := GenerateTriggerId(r.UserId, s)
+	if err != nil {
+		return "", "", err
+	}
+
+	r.TriggerId = triggerId
+	return clientTriggerId, triggerId, nil
+}
+
+func DecodeAndVerifyTriggerId(triggerId string, s *ecdsa.PrivateKey) (string, string, *AppError) {
+	triggerIdBytes, err := base64.StdEncoding.DecodeString(triggerId)
+	if err != nil {
+		return "", "", NewAppError("DecodeAndVerifyTriggerId", "interactive_message.decode_trigger_id.base64_decode_failed", nil, err.Error(), http.StatusBadRequest)
+	}
+
+	split := strings.Split(string(triggerIdBytes), ":")
+	if len(split) != 4 {
+		return "", "", NewAppError("DecodeAndVerifyTriggerId", "interactive_message.decode_trigger_id.missing_data", nil, "", http.StatusBadRequest)
+	}
+
+	clientTriggerId := split[0]
+	userId := split[1]
+	timestampStr := split[2]
+	timestamp, _ := strconv.ParseInt(timestampStr, 10, 64)
+
+	now := GetMillis()
+	if now-timestamp > InteractiveDialogTriggerTimeoutMilliseconds {
+		return "", "", NewAppError("DecodeAndVerifyTriggerId", "interactive_message.decode_trigger_id.expired", map[string]interface{}{"Seconds": InteractiveDialogTriggerTimeoutMilliseconds / 1000}, "", http.StatusBadRequest)
+	}
+
+	signature, err := base64.StdEncoding.DecodeString(split[3])
+	if err != nil {
+		return "", "", NewAppError("DecodeAndVerifyTriggerId", "interactive_message.decode_trigger_id.base64_decode_failed_signature", nil, err.Error(), http.StatusBadRequest)
+	}
+
+	var esig struct {
+		R, S *big.Int
+	}
+
+	if _, err := asn1.Unmarshal(signature, &esig); err != nil {
+		return "", "", NewAppError("DecodeAndVerifyTriggerId", "interactive_message.decode_trigger_id.signature_decode_failed", nil, err.Error(), http.StatusBadRequest)
+	}
+
+	triggerData := strings.Join([]string{clientTriggerId, userId, timestampStr}, ":") + ":"
+
+	h := crypto.SHA256
+	sum := h.New()
+	sum.Write([]byte(triggerData))
+
+	if !ecdsa.Verify(&s.PublicKey, sum.Sum(nil), esig.R, esig.S) {
+		return "", "", NewAppError("DecodeAndVerifyTriggerId", "interactive_message.decode_trigger_id.verify_signature_failed", nil, "", http.StatusBadRequest)
+	}
+
+	return clientTriggerId, userId, nil
+}
+
+func (r *OpenDialogRequest) DecodeAndVerifyTriggerId(s *ecdsa.PrivateKey) (string, string, *AppError) {
+	return DecodeAndVerifyTriggerId(r.TriggerId, s)
+}
+
+func (o *Post) StripActionIntegrations() {
+	attachments := o.Attachments()
+	if o.GetProp("attachments") != nil {
+		o.AddProp("attachments", attachments)
+	}
+	for _, attachment := range attachments {
+		for _, action := range attachment.Actions {
+			action.Integration = nil
+		}
+	}
+}
+
+func (o *Post) GetAction(id string) *PostAction {
+	for _, attachment := range o.Attachments() {
+		for _, action := range attachment.Actions {
+			if action != nil && action.Id == id {
+				return action
+			}
+		}
+	}
+	return nil
+}
+
+func (o *Post) GenerateActionIds() {
+	if o.GetProp("attachments") != nil {
+		o.AddProp("attachments", o.Attachments())
+	}
+	if attachments, ok := o.GetProp("attachments").([]*SlackAttachment); ok {
+		for _, attachment := range attachments {
+			for _, action := range attachment.Actions {
+				if action != nil && action.Id == "" {
+					action.Id = NewId()
+				}
+			}
+		}
+	}
+}
+
+func AddPostActionCookies(o *Post, secret []byte) *Post {
+	p := o.Clone()
+
+	// retainedProps carry over their value from the old post, including no value
+	retainProps := map[string]interface{}{}
+	removeProps := []string{}
+	for _, key := range PostActionRetainPropKeys {
+		value, ok := p.GetProps()[key]
+		if ok {
+			retainProps[key] = value
+		} else {
+			removeProps = append(removeProps, key)
+		}
+	}
+
+	attachments := p.Attachments()
+	for _, attachment := range attachments {
+		for _, action := range attachment.Actions {
+			c := &PostActionCookie{
+				Type:        action.Type,
+				ChannelId:   p.ChannelId,
+				DataSource:  action.DataSource,
+				Integration: action.Integration,
+				RetainProps: retainProps,
+				RemoveProps: removeProps,
+			}
+
+			c.PostId = p.Id
+			if p.RootId == "" {
+				c.RootPostId = p.Id
+			} else {
+				c.RootPostId = p.RootId
+			}
+
+			b, _ := json.Marshal(c)
+			action.Cookie, _ = encryptPostActionCookie(string(b), secret)
+		}
+	}
+
+	return p
+}
+
+func encryptPostActionCookie(plain string, secret []byte) (string, error) {
+	if len(secret) == 0 {
+		return plain, nil
+	}
+
+	block, err := aes.NewCipher(secret)
+	if err != nil {
+		return "", err
+	}
+
+	aesgcm, err := cipher.NewGCM(block)
+	if err != nil {
+		return "", err
+	}
+
+	nonce := make([]byte, aesgcm.NonceSize())
+	_, err = io.ReadFull(rand.Reader, nonce)
+	if err != nil {
+		return "", err
+	}
+
+	sealed := aesgcm.Seal(nil, nonce, []byte(plain), nil)
+
+	combined := append(nonce, sealed...)
+	encoded := make([]byte, base64.StdEncoding.EncodedLen(len(combined)))
+	base64.StdEncoding.Encode(encoded, combined)
+
+	return string(encoded), nil
+}
+
+func DecryptPostActionCookie(encoded string, secret []byte) (string, error) {
+	if len(secret) == 0 {
+		return encoded, nil
+	}
+
+	block, err := aes.NewCipher(secret)
+	if err != nil {
+		return "", err
+	}
+
+	aesgcm, err := cipher.NewGCM(block)
+	if err != nil {
+		return "", err
+	}
+
+	decoded := make([]byte, base64.StdEncoding.DecodedLen(len(encoded)))
+	n, err := base64.StdEncoding.Decode(decoded, []byte(encoded))
+	if err != nil {
+		return "", err
+	}
+	decoded = decoded[:n]
+
+	nonceSize := aesgcm.NonceSize()
+	if len(decoded) < nonceSize {
+		return "", fmt.Errorf("cookie too short")
+	}
+
+	nonce, decoded := decoded[:nonceSize], decoded[nonceSize:]
+	plain, err := aesgcm.Open(nil, nonce, decoded, nil)
+	if err != nil {
+		return "", err
+	}
+
+	return string(plain), nil
+}

vendor/github.com/mattermost/mattermost-server/v6/model/integrity.go

@@ -0,0 +1,58 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"errors"
+)
+
+type OrphanedRecord struct {
+	ParentId *string `json:"parent_id"`
+	ChildId  *string `json:"child_id"`
+}
+
+type RelationalIntegrityCheckData struct {
+	ParentName   string           `json:"parent_name"`
+	ChildName    string           `json:"child_name"`
+	ParentIdAttr string           `json:"parent_id_attr"`
+	ChildIdAttr  string           `json:"child_id_attr"`
+	Records      []OrphanedRecord `json:"records"`
+}
+
+type IntegrityCheckResult struct {
+	Data interface{} `json:"data"`
+	Err  error       `json:"err"`
+}
+
+func (r *IntegrityCheckResult) UnmarshalJSON(b []byte) error {
+	var data map[string]interface{}
+	if err := json.Unmarshal(b, &data); err != nil {
+		return err
+	}
+	if d, ok := data["data"]; ok && d != nil {
+		var rdata RelationalIntegrityCheckData
+		m := d.(map[string]interface{})
+		rdata.ParentName = m["parent_name"].(string)
+		rdata.ChildName = m["child_name"].(string)
+		rdata.ParentIdAttr = m["parent_id_attr"].(string)
+		rdata.ChildIdAttr = m["child_id_attr"].(string)
+		for _, recData := range m["records"].([]interface{}) {
+			var record OrphanedRecord
+			m := recData.(map[string]interface{})
+			if val := m["parent_id"]; val != nil {
+				record.ParentId = NewString(val.(string))
+			}
+			if val := m["child_id"]; val != nil {
+				record.ChildId = NewString(val.(string))
+			}
+			rdata.Records = append(rdata.Records, record)
+		}
+		r.Data = rdata
+	}
+	if err, ok := data["err"]; ok && err != nil {
+		r.Err = errors.New(data["err"].(string))
+	}
+	return nil
+}

vendor/github.com/mattermost/mattermost-server/v6/model/job.go

@@ -0,0 +1,130 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"net/http"
+	"time"
+)
+
+const (
+	JobTypeDataRetention                = "data_retention"
+	JobTypeMessageExport                = "message_export"
+	JobTypeElasticsearchPostIndexing    = "elasticsearch_post_indexing"
+	JobTypeElasticsearchPostAggregation = "elasticsearch_post_aggregation"
+	JobTypeBlevePostIndexing            = "bleve_post_indexing"
+	JobTypeLdapSync                     = "ldap_sync"
+	JobTypeMigrations                   = "migrations"
+	JobTypePlugins                      = "plugins"
+	JobTypeExpiryNotify                 = "expiry_notify"
+	JobTypeProductNotices               = "product_notices"
+	JobTypeActiveUsers                  = "active_users"
+	JobTypeImportProcess                = "import_process"
+	JobTypeImportDelete                 = "import_delete"
+	JobTypeExportProcess                = "export_process"
+	JobTypeExportDelete                 = "export_delete"
+	JobTypeCloud                        = "cloud"
+	JobTypeResendInvitationEmail        = "resend_invitation_email"
+	JobTypeExtractContent               = "extract_content"
+
+	JobStatusPending         = "pending"
+	JobStatusInProgress      = "in_progress"
+	JobStatusSuccess         = "success"
+	JobStatusError           = "error"
+	JobStatusCancelRequested = "cancel_requested"
+	JobStatusCanceled        = "canceled"
+	JobStatusWarning         = "warning"
+)
+
+var AllJobTypes = [...]string{
+	JobTypeDataRetention,
+	JobTypeMessageExport,
+	JobTypeElasticsearchPostIndexing,
+	JobTypeElasticsearchPostAggregation,
+	JobTypeBlevePostIndexing,
+	JobTypeLdapSync,
+	JobTypeMigrations,
+	JobTypePlugins,
+	JobTypeExpiryNotify,
+	JobTypeProductNotices,
+	JobTypeActiveUsers,
+	JobTypeImportProcess,
+	JobTypeImportDelete,
+	JobTypeExportProcess,
+	JobTypeExportDelete,
+	JobTypeCloud,
+	JobTypeExtractContent,
+}
+
+type Job struct {
+	Id             string            `json:"id"`
+	Type           string            `json:"type"`
+	Priority       int64             `json:"priority"`
+	CreateAt       int64             `json:"create_at"`
+	StartAt        int64             `json:"start_at"`
+	LastActivityAt int64             `json:"last_activity_at"`
+	Status         string            `json:"status"`
+	Progress       int64             `json:"progress"`
+	Data           map[string]string `json:"data"`
+}
+
+func (j *Job) IsValid() *AppError {
+	if !IsValidId(j.Id) {
+		return NewAppError("Job.IsValid", "model.job.is_valid.id.app_error", nil, "id="+j.Id, http.StatusBadRequest)
+	}
+
+	if j.CreateAt == 0 {
+		return NewAppError("Job.IsValid", "model.job.is_valid.create_at.app_error", nil, "id="+j.Id, http.StatusBadRequest)
+	}
+
+	switch j.Type {
+	case JobTypeDataRetention:
+	case JobTypeElasticsearchPostIndexing:
+	case JobTypeElasticsearchPostAggregation:
+	case JobTypeBlevePostIndexing:
+	case JobTypeLdapSync:
+	case JobTypeMessageExport:
+	case JobTypeMigrations:
+	case JobTypePlugins:
+	case JobTypeProductNotices:
+	case JobTypeExpiryNotify:
+	case JobTypeActiveUsers:
+	case JobTypeImportProcess:
+	case JobTypeImportDelete:
+	case JobTypeExportProcess:
+	case JobTypeExportDelete:
+	case JobTypeCloud:
+	case JobTypeResendInvitationEmail:
+	case JobTypeExtractContent:
+	default:
+		return NewAppError("Job.IsValid", "model.job.is_valid.type.app_error", nil, "id="+j.Id, http.StatusBadRequest)
+	}
+
+	switch j.Status {
+	case JobStatusPending:
+	case JobStatusInProgress:
+	case JobStatusSuccess:
+	case JobStatusError:
+	case JobStatusCancelRequested:
+	case JobStatusCanceled:
+	default:
+		return NewAppError("Job.IsValid", "model.job.is_valid.status.app_error", nil, "id="+j.Id, http.StatusBadRequest)
+	}
+
+	return nil
+}
+
+type Worker interface {
+	Run()
+	Stop()
+	JobChannel() chan<- Job
+}
+
+type Scheduler interface {
+	Name() string
+	JobType() string
+	Enabled(cfg *Config) bool
+	NextScheduleTime(cfg *Config, now time.Time, pendingJobs bool, lastSuccessfulJob *Job) *time.Time
+	ScheduleJob(cfg *Config, pendingJobs bool, lastSuccessfulJob *Job) (*Job, *AppError)
+}

vendor/github.com/mattermost/mattermost-server/v6/model/ldap.go

@@ -0,0 +1,10 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+const (
+	UserAuthServiceLdap       = "ldap"
+	LdapPublicCertificateName = "ldap-public.crt"
+	LdapPrivateKeyName        = "ldap-private.key"
+)

vendor/github.com/mattermost/mattermost-server/v6/model/license.go

@@ -0,0 +1,343 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"time"
+)
+
+const (
+	ExpiredLicenseError = "api.license.add_license.expired.app_error"
+	InvalidLicenseError = "api.license.add_license.invalid.app_error"
+	LicenseGracePeriod  = 1000 * 60 * 60 * 24 * 10 //10 days
+	LicenseRenewalLink  = "https://mattermost.com/renew/"
+
+	LicenseShortSkuE10          = "E10"
+	LicenseShortSkuE20          = "E20"
+	LicenseShortSkuProfessional = "professional"
+	LicenseShortSkuEnterprise   = "enterprise"
+)
+
+const (
+	LicenseUpForRenewalEmailSent = "LicenseUpForRenewalEmailSent"
+)
+
+var (
+	trialDuration      = 30*(time.Hour*24) + (time.Hour * 8)                                            // 720 hours (30 days) + 8 hours is trial license duration
+	adminTrialDuration = 30*(time.Hour*24) + (time.Hour * 23) + (time.Minute * 59) + (time.Second * 59) // 720 hours (30 days) + 23 hours, 59 mins and 59 seconds
+
+	// a sanctioned trial's duration is either more than the upper bound,
+	// or less than the lower bound
+	sanctionedTrialDurationLowerBound = 31*(time.Hour*24) + (time.Hour * 23) + (time.Minute * 59) + (time.Second * 59) // 744 hours (31 days) + 23 hours, 59 mins and 59 seconds
+	sanctionedTrialDurationUpperBound = 29*(time.Hour*24) + (time.Hour * 23) + (time.Minute * 59) + (time.Second * 59) // 696 hours (29 days) + 23 hours, 59 mins and 59 seconds
+)
+
+type LicenseRecord struct {
+	Id       string `json:"id"`
+	CreateAt int64  `json:"create_at"`
+	Bytes    string `json:"-"`
+}
+
+type License struct {
+	Id           string    `json:"id"`
+	IssuedAt     int64     `json:"issued_at"`
+	StartsAt     int64     `json:"starts_at"`
+	ExpiresAt    int64     `json:"expires_at"`
+	Customer     *Customer `json:"customer"`
+	Features     *Features `json:"features"`
+	SkuName      string    `json:"sku_name"`
+	SkuShortName string    `json:"sku_short_name"`
+	IsTrial      bool      `json:"is_trial"`
+}
+
+type Customer struct {
+	Id      string `json:"id"`
+	Name    string `json:"name"`
+	Email   string `json:"email"`
+	Company string `json:"company"`
+}
+
+type TrialLicenseRequest struct {
+	ServerID              string `json:"server_id"`
+	Email                 string `json:"email"`
+	Name                  string `json:"name"`
+	SiteURL               string `json:"site_url"`
+	SiteName              string `json:"site_name"`
+	Users                 int    `json:"users"`
+	TermsAccepted         bool   `json:"terms_accepted"`
+	ReceiveEmailsAccepted bool   `json:"receive_emails_accepted"`
+}
+
+type Features struct {
+	Users                     *int  `json:"users"`
+	LDAP                      *bool `json:"ldap"`
+	LDAPGroups                *bool `json:"ldap_groups"`
+	MFA                       *bool `json:"mfa"`
+	GoogleOAuth               *bool `json:"google_oauth"`
+	Office365OAuth            *bool `json:"office365_oauth"`
+	OpenId                    *bool `json:"openid"`
+	Compliance                *bool `json:"compliance"`
+	Cluster                   *bool `json:"cluster"`
+	Metrics                   *bool `json:"metrics"`
+	MHPNS                     *bool `json:"mhpns"`
+	SAML                      *bool `json:"saml"`
+	Elasticsearch             *bool `json:"elastic_search"`
+	Announcement              *bool `json:"announcement"`
+	ThemeManagement           *bool `json:"theme_management"`
+	EmailNotificationContents *bool `json:"email_notification_contents"`
+	DataRetention             *bool `json:"data_retention"`
+	MessageExport             *bool `json:"message_export"`
+	CustomPermissionsSchemes  *bool `json:"custom_permissions_schemes"`
+	CustomTermsOfService      *bool `json:"custom_terms_of_service"`
+	GuestAccounts             *bool `json:"guest_accounts"`
+	GuestAccountsPermissions  *bool `json:"guest_accounts_permissions"`
+	IDLoadedPushNotifications *bool `json:"id_loaded"`
+	LockTeammateNameDisplay   *bool `json:"lock_teammate_name_display"`
+	EnterprisePlugins         *bool `json:"enterprise_plugins"`
+	AdvancedLogging           *bool `json:"advanced_logging"`
+	Cloud                     *bool `json:"cloud"`
+	SharedChannels            *bool `json:"shared_channels"`
+	RemoteClusterService      *bool `json:"remote_cluster_service"`
+
+	// after we enabled more features we'll need to control them with this
+	FutureFeatures *bool `json:"future_features"`
+}
+
+func (f *Features) ToMap() map[string]interface{} {
+	return map[string]interface{}{
+		"ldap":                        *f.LDAP,
+		"ldap_groups":                 *f.LDAPGroups,
+		"mfa":                         *f.MFA,
+		"google":                      *f.GoogleOAuth,
+		"office365":                   *f.Office365OAuth,
+		"openid":                      *f.OpenId,
+		"compliance":                  *f.Compliance,
+		"cluster":                     *f.Cluster,
+		"metrics":                     *f.Metrics,
+		"mhpns":                       *f.MHPNS,
+		"saml":                        *f.SAML,
+		"elastic_search":              *f.Elasticsearch,
+		"email_notification_contents": *f.EmailNotificationContents,
+		"data_retention":              *f.DataRetention,
+		"message_export":              *f.MessageExport,
+		"custom_permissions_schemes":  *f.CustomPermissionsSchemes,
+		"guest_accounts":              *f.GuestAccounts,
+		"guest_accounts_permissions":  *f.GuestAccountsPermissions,
+		"id_loaded":                   *f.IDLoadedPushNotifications,
+		"lock_teammate_name_display":  *f.LockTeammateNameDisplay,
+		"enterprise_plugins":          *f.EnterprisePlugins,
+		"advanced_logging":            *f.AdvancedLogging,
+		"cloud":                       *f.Cloud,
+		"shared_channels":             *f.SharedChannels,
+		"remote_cluster_service":      *f.RemoteClusterService,
+		"future":                      *f.FutureFeatures,
+	}
+}
+
+func (f *Features) SetDefaults() {
+	if f.FutureFeatures == nil {
+		f.FutureFeatures = NewBool(true)
+	}
+
+	if f.Users == nil {
+		f.Users = NewInt(0)
+	}
+
+	if f.LDAP == nil {
+		f.LDAP = NewBool(*f.FutureFeatures)
+	}
+
+	if f.LDAPGroups == nil {
+		f.LDAPGroups = NewBool(*f.FutureFeatures)
+	}
+
+	if f.MFA == nil {
+		f.MFA = NewBool(*f.FutureFeatures)
+	}
+
+	if f.GoogleOAuth == nil {
+		f.GoogleOAuth = NewBool(*f.FutureFeatures)
+	}
+
+	if f.Office365OAuth == nil {
+		f.Office365OAuth = NewBool(*f.FutureFeatures)
+	}
+
+	if f.OpenId == nil {
+		f.OpenId = NewBool(*f.FutureFeatures)
+	}
+
+	if f.Compliance == nil {
+		f.Compliance = NewBool(*f.FutureFeatures)
+	}
+
+	if f.Cluster == nil {
+		f.Cluster = NewBool(*f.FutureFeatures)
+	}
+
+	if f.Metrics == nil {
+		f.Metrics = NewBool(*f.FutureFeatures)
+	}
+
+	if f.MHPNS == nil {
+		f.MHPNS = NewBool(*f.FutureFeatures)
+	}
+
+	if f.SAML == nil {
+		f.SAML = NewBool(*f.FutureFeatures)
+	}
+
+	if f.Elasticsearch == nil {
+		f.Elasticsearch = NewBool(*f.FutureFeatures)
+	}
+
+	if f.Announcement == nil {
+		f.Announcement = NewBool(true)
+	}
+
+	if f.ThemeManagement == nil {
+		f.ThemeManagement = NewBool(true)
+	}
+
+	if f.EmailNotificationContents == nil {
+		f.EmailNotificationContents = NewBool(*f.FutureFeatures)
+	}
+
+	if f.DataRetention == nil {
+		f.DataRetention = NewBool(*f.FutureFeatures)
+	}
+
+	if f.MessageExport == nil {
+		f.MessageExport = NewBool(*f.FutureFeatures)
+	}
+
+	if f.CustomPermissionsSchemes == nil {
+		f.CustomPermissionsSchemes = NewBool(*f.FutureFeatures)
+	}
+
+	if f.GuestAccounts == nil {
+		f.GuestAccounts = NewBool(*f.FutureFeatures)
+	}
+
+	if f.GuestAccountsPermissions == nil {
+		f.GuestAccountsPermissions = NewBool(*f.FutureFeatures)
+	}
+
+	if f.CustomTermsOfService == nil {
+		f.CustomTermsOfService = NewBool(*f.FutureFeatures)
+	}
+
+	if f.IDLoadedPushNotifications == nil {
+		f.IDLoadedPushNotifications = NewBool(*f.FutureFeatures)
+	}
+
+	if f.LockTeammateNameDisplay == nil {
+		f.LockTeammateNameDisplay = NewBool(*f.FutureFeatures)
+	}
+
+	if f.EnterprisePlugins == nil {
+		f.EnterprisePlugins = NewBool(*f.FutureFeatures)
+	}
+
+	if f.AdvancedLogging == nil {
+		f.AdvancedLogging = NewBool(*f.FutureFeatures)
+	}
+
+	if f.Cloud == nil {
+		f.Cloud = NewBool(false)
+	}
+
+	if f.SharedChannels == nil {
+		f.SharedChannels = NewBool(*f.FutureFeatures)
+	}
+
+	if f.RemoteClusterService == nil {
+		f.RemoteClusterService = NewBool(*f.FutureFeatures)
+	}
+}
+
+func (l *License) IsExpired() bool {
+	return l.ExpiresAt < GetMillis()
+}
+
+func (l *License) IsPastGracePeriod() bool {
+	timeDiff := GetMillis() - l.ExpiresAt
+	return timeDiff > LicenseGracePeriod
+}
+
+func (l *License) IsWithinExpirationPeriod() bool {
+	days := l.DaysToExpiration()
+	return days <= 60 && days >= 58
+}
+
+func (l *License) DaysToExpiration() int {
+	dif := l.ExpiresAt - GetMillis()
+	d, _ := time.ParseDuration(fmt.Sprint(dif) + "ms")
+	days := d.Hours() / 24
+	return int(days)
+}
+
+func (l *License) IsStarted() bool {
+	return l.StartsAt < GetMillis()
+}
+
+func (l *License) IsTrialLicense() bool {
+	return l.IsTrial || (l.ExpiresAt-l.StartsAt) == trialDuration.Milliseconds() || (l.ExpiresAt-l.StartsAt) == adminTrialDuration.Milliseconds()
+}
+
+func (l *License) IsSanctionedTrial() bool {
+	duration := l.ExpiresAt - l.StartsAt
+
+	return l.IsTrialLicense() &&
+		(duration >= sanctionedTrialDurationLowerBound.Milliseconds() || duration <= sanctionedTrialDurationUpperBound.Milliseconds())
+}
+
+func (l *License) HasEnterpriseMarketplacePlugins() bool {
+	return *l.Features.EnterprisePlugins ||
+		l.SkuShortName == LicenseShortSkuE20 ||
+		l.SkuShortName == LicenseShortSkuProfessional ||
+		l.SkuShortName == LicenseShortSkuEnterprise
+}
+
+// NewTestLicense returns a license that expires in the future and has the given features.
+func NewTestLicense(features ...string) *License {
+	ret := &License{
+		ExpiresAt: GetMillis() + 90*24*60*60*1000,
+		Customer:  &Customer{},
+		Features:  &Features{},
+	}
+	ret.Features.SetDefaults()
+
+	featureMap := map[string]bool{}
+	for _, feature := range features {
+		featureMap[feature] = true
+	}
+	featureJson, _ := json.Marshal(featureMap)
+	json.Unmarshal(featureJson, &ret.Features)
+
+	return ret
+}
+
+func (lr *LicenseRecord) IsValid() *AppError {
+	if !IsValidId(lr.Id) {
+		return NewAppError("LicenseRecord.IsValid", "model.license_record.is_valid.id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if lr.CreateAt == 0 {
+		return NewAppError("LicenseRecord.IsValid", "model.license_record.is_valid.create_at.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if lr.Bytes == "" || len(lr.Bytes) > 10000 {
+		return NewAppError("LicenseRecord.IsValid", "model.license_record.is_valid.create_at.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	return nil
+}
+
+func (lr *LicenseRecord) PreSave() {
+	lr.CreateAt = GetMillis()
+}

vendor/github.com/mattermost/mattermost-server/v6/model/link_metadata.go

@@ -0,0 +1,193 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/binary"
+	"encoding/json"
+	"fmt"
+	"hash/fnv"
+	"net/http"
+	"time"
+	"unicode/utf8"
+
+	"github.com/dyatlov/go-opengraph/opengraph"
+)
+
+const (
+	LinkMetadataTypeImage     LinkMetadataType = "image"
+	LinkMetadataTypeNone      LinkMetadataType = "none"
+	LinkMetadataTypeOpengraph LinkMetadataType = "opengraph"
+	LinkMetadataMaxImages     int              = 5
+)
+
+type LinkMetadataType string
+
+// LinkMetadata stores arbitrary data about a link posted in a message. This includes dimensions of linked images
+// and OpenGraph metadata.
+type LinkMetadata struct {
+	// Hash is a value computed from the URL and Timestamp for use as a primary key in the database.
+	Hash int64
+
+	URL       string
+	Timestamp int64
+	Type      LinkMetadataType
+
+	// Data is the actual metadata for the link. It should contain data of one of the following types:
+	// - *model.PostImage if the linked content is an image
+	// - *opengraph.OpenGraph if the linked content is an HTML document
+	// - nil if the linked content has no metadata
+	Data interface{}
+}
+
+// truncateText ensure string is 300 chars, truncate and add ellipsis
+// if it was bigger.
+func truncateText(original string) string {
+	if utf8.RuneCountInString(original) > 300 {
+		return fmt.Sprintf("%.300s[...]", original)
+	}
+	return original
+}
+
+func firstNImages(images []*opengraph.Image, maxImages int) []*opengraph.Image {
+	if maxImages < 0 { // don't break stuff, if it's weird, go for sane defaults
+		maxImages = LinkMetadataMaxImages
+	}
+	numImages := len(images)
+	if numImages > maxImages {
+		return images[0:maxImages]
+	}
+	return images
+}
+
+// TruncateOpenGraph ensure OpenGraph metadata doesn't grow too big by
+// shortening strings, trimming fields and reducing the number of
+// images.
+func TruncateOpenGraph(ogdata *opengraph.OpenGraph) *opengraph.OpenGraph {
+	if ogdata != nil {
+		empty := &opengraph.OpenGraph{}
+		ogdata.Title = truncateText(ogdata.Title)
+		ogdata.Description = truncateText(ogdata.Description)
+		ogdata.SiteName = truncateText(ogdata.SiteName)
+		ogdata.Article = empty.Article
+		ogdata.Book = empty.Book
+		ogdata.Profile = empty.Profile
+		ogdata.Determiner = empty.Determiner
+		ogdata.Locale = empty.Locale
+		ogdata.LocalesAlternate = empty.LocalesAlternate
+		ogdata.Images = firstNImages(ogdata.Images, LinkMetadataMaxImages)
+		ogdata.Audios = empty.Audios
+		ogdata.Videos = empty.Videos
+	}
+	return ogdata
+}
+
+func (o *LinkMetadata) PreSave() {
+	o.Hash = GenerateLinkMetadataHash(o.URL, o.Timestamp)
+}
+
+func (o *LinkMetadata) IsValid() *AppError {
+	if o.URL == "" {
+		return NewAppError("LinkMetadata.IsValid", "model.link_metadata.is_valid.url.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if o.Timestamp == 0 || !isRoundedToNearestHour(o.Timestamp) {
+		return NewAppError("LinkMetadata.IsValid", "model.link_metadata.is_valid.timestamp.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	switch o.Type {
+	case LinkMetadataTypeImage:
+		if o.Data == nil {
+			return NewAppError("LinkMetadata.IsValid", "model.link_metadata.is_valid.data.app_error", nil, "", http.StatusBadRequest)
+		}
+
+		if _, ok := o.Data.(*PostImage); !ok {
+			return NewAppError("LinkMetadata.IsValid", "model.link_metadata.is_valid.data_type.app_error", nil, "", http.StatusBadRequest)
+		}
+	case LinkMetadataTypeNone:
+		if o.Data != nil {
+			return NewAppError("LinkMetadata.IsValid", "model.link_metadata.is_valid.data_type.app_error", nil, "", http.StatusBadRequest)
+		}
+	case LinkMetadataTypeOpengraph:
+		if o.Data == nil {
+			return NewAppError("LinkMetadata.IsValid", "model.link_metadata.is_valid.data.app_error", nil, "", http.StatusBadRequest)
+		}
+
+		if _, ok := o.Data.(*opengraph.OpenGraph); !ok {
+			return NewAppError("LinkMetadata.IsValid", "model.link_metadata.is_valid.data_type.app_error", nil, "", http.StatusBadRequest)
+		}
+	default:
+		return NewAppError("LinkMetadata.IsValid", "model.link_metadata.is_valid.type.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	return nil
+}
+
+// DeserializeDataToConcreteType converts o.Data from JSON into properly structured data. This is intended to be used
+// after getting a LinkMetadata object that has been stored in the database.
+func (o *LinkMetadata) DeserializeDataToConcreteType() error {
+	var b []byte
+	switch t := o.Data.(type) {
+	case []byte:
+		// MySQL uses a byte slice for JSON
+		b = t
+	case string:
+		// Postgres uses a string for JSON
+		b = []byte(t)
+	}
+
+	if b == nil {
+		// Data doesn't need to be fixed
+		return nil
+	}
+
+	var data interface{}
+	var err error
+
+	switch o.Type {
+	case LinkMetadataTypeImage:
+		image := &PostImage{}
+
+		err = json.Unmarshal(b, &image)
+
+		data = image
+	case LinkMetadataTypeOpengraph:
+		og := &opengraph.OpenGraph{}
+
+		json.Unmarshal(b, &og)
+
+		data = og
+	}
+
+	if err != nil {
+		return err
+	}
+
+	o.Data = data
+
+	return nil
+}
+
+// FloorToNearestHour takes a timestamp (in milliseconds) and returns it rounded to the previous hour in UTC.
+func FloorToNearestHour(ms int64) int64 {
+	t := time.Unix(0, ms*int64(1000*1000)).UTC()
+
+	return time.Date(t.Year(), t.Month(), t.Day(), t.Hour(), 0, 0, 0, time.UTC).UnixNano() / int64(time.Millisecond)
+}
+
+// isRoundedToNearestHour returns true if the given timestamp (in milliseconds) has been rounded to the nearest hour in UTC.
+func isRoundedToNearestHour(ms int64) bool {
+	return FloorToNearestHour(ms) == ms
+}
+
+// GenerateLinkMetadataHash generates a unique hash for a given URL and timestamp for use as a database key.
+func GenerateLinkMetadataHash(url string, timestamp int64) int64 {
+	hash := fnv.New32()
+
+	// Note that we ignore write errors here because the Hash interface says that its Write will never return an error
+	binary.Write(hash, binary.LittleEndian, timestamp)
+	hash.Write([]byte(url))
+
+	return int64(hash.Sum32())
+}

vendor/github.com/mattermost/mattermost-server/v6/model/manifest.go

@@ -0,0 +1,455 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"fmt"
+	"io/ioutil"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"github.com/blang/semver"
+	"github.com/pkg/errors"
+	"gopkg.in/yaml.v2"
+)
+
+type PluginOption struct {
+	// The display name for the option.
+	DisplayName string `json:"display_name" yaml:"display_name"`
+
+	// The string value for the option.
+	Value string `json:"value" yaml:"value"`
+}
+
+type PluginSettingType int
+
+const (
+	Bool PluginSettingType = iota
+	Dropdown
+	Generated
+	Radio
+	Text
+	LongText
+	Number
+	Username
+	Custom
+)
+
+type PluginSetting struct {
+	// The key that the setting will be assigned to in the configuration file.
+	Key string `json:"key" yaml:"key"`
+
+	// The display name for the setting.
+	DisplayName string `json:"display_name" yaml:"display_name"`
+
+	// The type of the setting.
+	//
+	// "bool" will result in a boolean true or false setting.
+	//
+	// "dropdown" will result in a string setting that allows the user to select from a list of
+	// pre-defined options.
+	//
+	// "generated" will result in a string setting that is set to a random, cryptographically secure
+	// string.
+	//
+	// "radio" will result in a string setting that allows the user to select from a short selection
+	// of pre-defined options.
+	//
+	// "text" will result in a string setting that can be typed in manually.
+	//
+	// "longtext" will result in a multi line string that can be typed in manually.
+	//
+	// "number" will result in in integer setting that can be typed in manually.
+	//
+	// "username" will result in a text setting that will autocomplete to a username.
+	//
+	// "custom" will result in a custom defined setting and will load the custom component registered for the Web App System Console.
+	Type string `json:"type" yaml:"type"`
+
+	// The help text to display to the user. Supports Markdown formatting.
+	HelpText string `json:"help_text" yaml:"help_text"`
+
+	// The help text to display alongside the "Regenerate" button for settings of the "generated" type.
+	RegenerateHelpText string `json:"regenerate_help_text,omitempty" yaml:"regenerate_help_text,omitempty"`
+
+	// The placeholder to display for "generated", "text", "longtext", "number" and "username" types when blank.
+	Placeholder string `json:"placeholder" yaml:"placeholder"`
+
+	// The default value of the setting.
+	Default interface{} `json:"default" yaml:"default"`
+
+	// For "radio" or "dropdown" settings, this is the list of pre-defined options that the user can choose
+	// from.
+	Options []*PluginOption `json:"options,omitempty" yaml:"options,omitempty"`
+}
+
+type PluginSettingsSchema struct {
+	// Optional text to display above the settings. Supports Markdown formatting.
+	Header string `json:"header" yaml:"header"`
+
+	// Optional text to display below the settings. Supports Markdown formatting.
+	Footer string `json:"footer" yaml:"footer"`
+
+	// A list of setting definitions.
+	Settings []*PluginSetting `json:"settings" yaml:"settings"`
+}
+
+// The plugin manifest defines the metadata required to load and present your plugin. The manifest
+// file should be named plugin.json or plugin.yaml and placed in the top of your
+// plugin bundle.
+//
+// Example plugin.json:
+//
+//
+//    {
+//      "id": "com.mycompany.myplugin",
+//      "name": "My Plugin",
+//      "description": "This is my plugin",
+//      "homepage_url": "https://example.com",
+//      "support_url": "https://example.com/support",
+//      "release_notes_url": "https://example.com/releases/v0.0.1",
+//      "icon_path": "assets/logo.svg",
+//      "version": "0.1.0",
+//      "min_server_version": "5.6.0",
+//      "server": {
+//        "executables": {
+//          "linux-amd64": "server/dist/plugin-linux-amd64",
+//          "darwin-amd64": "server/dist/plugin-darwin-amd64",
+//          "windows-amd64": "server/dist/plugin-windows-amd64.exe"
+//        }
+//      },
+//      "webapp": {
+//          "bundle_path": "webapp/dist/main.js"
+//      },
+//      "settings_schema": {
+//        "header": "Some header text",
+//        "footer": "Some footer text",
+//        "settings": [{
+//          "key": "someKey",
+//          "display_name": "Enable Extra Feature",
+//          "type": "bool",
+//          "help_text": "When true, an extra feature will be enabled!",
+//          "default": "false"
+//        }]
+//      },
+//      "props": {
+//        "someKey": "someData"
+//      }
+//    }
+type Manifest struct {
+	// The id is a globally unique identifier that represents your plugin. Ids must be at least
+	// 3 characters, at most 190 characters and must match ^[a-zA-Z0-9-_\.]+$.
+	// Reverse-DNS notation using a name you control is a good option, e.g. "com.mycompany.myplugin".
+	Id string `json:"id" yaml:"id"`
+
+	// The name to be displayed for the plugin.
+	Name string `json:"name" yaml:"name"`
+
+	// A description of what your plugin is and does.
+	Description string `json:"description,omitempty" yaml:"description,omitempty"`
+
+	// HomepageURL is an optional link to learn more about the plugin.
+	HomepageURL string `json:"homepage_url,omitempty" yaml:"homepage_url,omitempty"`
+
+	// SupportURL is an optional URL where plugin issues can be reported.
+	SupportURL string `json:"support_url,omitempty" yaml:"support_url,omitempty"`
+
+	// ReleaseNotesURL is an optional URL where a changelog for the release can be found.
+	ReleaseNotesURL string `json:"release_notes_url,omitempty" yaml:"release_notes_url,omitempty"`
+
+	// A relative file path in the bundle that points to the plugins svg icon for use with the Plugin Marketplace.
+	// This should be relative to the root of your bundle and the location of the manifest file. Bitmap image formats are not supported.
+	IconPath string `json:"icon_path,omitempty" yaml:"icon_path,omitempty"`
+
+	// A version number for your plugin. Semantic versioning is recommended: http://semver.org
+	Version string `json:"version" yaml:"version"`
+
+	// The minimum Mattermost server version required for your plugin.
+	//
+	// Minimum server version: 5.6
+	MinServerVersion string `json:"min_server_version,omitempty" yaml:"min_server_version,omitempty"`
+
+	// Server defines the server-side portion of your plugin.
+	Server *ManifestServer `json:"server,omitempty" yaml:"server,omitempty"`
+
+	// If your plugin extends the web app, you'll need to define webapp.
+	Webapp *ManifestWebapp `json:"webapp,omitempty" yaml:"webapp,omitempty"`
+
+	// To allow administrators to configure your plugin via the Mattermost system console, you can
+	// provide your settings schema.
+	SettingsSchema *PluginSettingsSchema `json:"settings_schema,omitempty" yaml:"settings_schema,omitempty"`
+
+	// Plugins can store any kind of data in Props to allow other plugins to use it.
+	Props map[string]interface{} `json:"props,omitempty" yaml:"props,omitempty"`
+
+	// RequiredConfig defines any required server configuration fields for the plugin to function properly.
+	//
+	// Use the pluginapi.Configuration.CheckRequiredServerConfiguration method to enforce this.
+	RequiredConfig *Config `json:"required_configuration,omitempty" yaml:"required_configuration,omitempty"`
+}
+
+type ManifestServer struct {
+	// Executables are the paths to your executable binaries, specifying multiple entry
+	// points for different platforms when bundled together in a single plugin.
+	Executables map[string]string `json:"executables,omitempty" yaml:"executables,omitempty"`
+
+	// Executable is the path to your executable binary. This should be relative to the root
+	// of your bundle and the location of the manifest file.
+	//
+	// On Windows, this file must have a ".exe" extension.
+	//
+	// If your plugin is compiled for multiple platforms, consider bundling them together
+	// and using the Executables field instead.
+	Executable string `json:"executable" yaml:"executable"`
+}
+
+// ManifestExecutables is a legacy structure capturing a subet of the known platform executables.
+type ManifestExecutables struct {
+	// LinuxAmd64 is the path to your executable binary for the corresponding platform
+	LinuxAmd64 string `json:"linux-amd64,omitempty" yaml:"linux-amd64,omitempty"`
+	// DarwinAmd64 is the path to your executable binary for the corresponding platform
+	DarwinAmd64 string `json:"darwin-amd64,omitempty" yaml:"darwin-amd64,omitempty"`
+	// WindowsAmd64 is the path to your executable binary for the corresponding platform
+	// This file must have a ".exe" extension
+	WindowsAmd64 string `json:"windows-amd64,omitempty" yaml:"windows-amd64,omitempty"`
+}
+
+type ManifestWebapp struct {
+	// The path to your webapp bundle. This should be relative to the root of your bundle and the
+	// location of the manifest file.
+	BundlePath string `json:"bundle_path" yaml:"bundle_path"`
+
+	// BundleHash is the 64-bit FNV-1a hash of the webapp bundle, computed when the plugin is loaded
+	BundleHash []byte `json:"-"`
+}
+
+func (m *Manifest) HasClient() bool {
+	return m.Webapp != nil
+}
+
+func (m *Manifest) ClientManifest() *Manifest {
+	cm := new(Manifest)
+	*cm = *m
+	cm.Name = ""
+	cm.Description = ""
+	cm.Server = nil
+	if cm.Webapp != nil {
+		cm.Webapp = new(ManifestWebapp)
+		*cm.Webapp = *m.Webapp
+		cm.Webapp.BundlePath = "/static/" + m.Id + "/" + fmt.Sprintf("%s_%x_bundle.js", m.Id, m.Webapp.BundleHash)
+	}
+	return cm
+}
+
+// GetExecutableForRuntime returns the path to the executable for the given runtime architecture.
+//
+// If the manifest defines multiple executables, but none match, or if only a single executable
+// is defined, the Executable field will be returned. This method does not guarantee that the
+// resulting binary can actually execute on the given platform.
+func (m *Manifest) GetExecutableForRuntime(goOs, goArch string) string {
+	server := m.Server
+
+	if server == nil {
+		return ""
+	}
+
+	var executable string
+	if len(server.Executables) > 0 {
+		osArch := fmt.Sprintf("%s-%s", goOs, goArch)
+		executable = server.Executables[osArch]
+	}
+
+	if executable == "" {
+		executable = server.Executable
+	}
+
+	return executable
+}
+
+func (m *Manifest) HasServer() bool {
+	return m.Server != nil
+}
+
+func (m *Manifest) HasWebapp() bool {
+	return m.Webapp != nil
+}
+
+func (m *Manifest) MeetMinServerVersion(serverVersion string) (bool, error) {
+	minServerVersion, err := semver.Parse(m.MinServerVersion)
+	if err != nil {
+		return false, errors.New("failed to parse MinServerVersion")
+	}
+	sv := semver.MustParse(serverVersion)
+	if sv.LT(minServerVersion) {
+		return false, nil
+	}
+	return true, nil
+}
+
+func (m *Manifest) IsValid() error {
+	if !IsValidPluginId(m.Id) {
+		return errors.New("invalid plugin ID")
+	}
+
+	if strings.TrimSpace(m.Name) == "" {
+		return errors.New("a plugin name is needed")
+	}
+
+	if m.HomepageURL != "" && !IsValidHTTPURL(m.HomepageURL) {
+		return errors.New("invalid HomepageURL")
+	}
+
+	if m.SupportURL != "" && !IsValidHTTPURL(m.SupportURL) {
+		return errors.New("invalid SupportURL")
+	}
+
+	if m.ReleaseNotesURL != "" && !IsValidHTTPURL(m.ReleaseNotesURL) {
+		return errors.New("invalid ReleaseNotesURL")
+	}
+
+	if m.Version != "" {
+		_, err := semver.Parse(m.Version)
+		if err != nil {
+			return errors.Wrap(err, "failed to parse Version")
+		}
+	}
+
+	if m.MinServerVersion != "" {
+		_, err := semver.Parse(m.MinServerVersion)
+		if err != nil {
+			return errors.Wrap(err, "failed to parse MinServerVersion")
+		}
+	}
+
+	if m.SettingsSchema != nil {
+		err := m.SettingsSchema.isValid()
+		if err != nil {
+			return errors.Wrap(err, "invalid settings schema")
+		}
+	}
+
+	return nil
+}
+
+func (s *PluginSettingsSchema) isValid() error {
+	for _, setting := range s.Settings {
+		err := setting.isValid()
+		if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+func (s *PluginSetting) isValid() error {
+	pluginSettingType, err := convertTypeToPluginSettingType(s.Type)
+	if err != nil {
+		return err
+	}
+
+	if s.RegenerateHelpText != "" && pluginSettingType != Generated {
+		return errors.New("should not set RegenerateHelpText for setting type that is not generated")
+	}
+
+	if s.Placeholder != "" && !(pluginSettingType == Generated ||
+		pluginSettingType == Text ||
+		pluginSettingType == LongText ||
+		pluginSettingType == Number ||
+		pluginSettingType == Username) {
+		return errors.New("should not set Placeholder for setting type not in text, generated or username")
+	}
+
+	if s.Options != nil {
+		if pluginSettingType != Radio && pluginSettingType != Dropdown {
+			return errors.New("should not set Options for setting type not in radio or dropdown")
+		}
+
+		for _, option := range s.Options {
+			if option.DisplayName == "" || option.Value == "" {
+				return errors.New("should not have empty Displayname or Value for any option")
+			}
+		}
+	}
+
+	return nil
+}
+
+func convertTypeToPluginSettingType(t string) (PluginSettingType, error) {
+	var settingType PluginSettingType
+	switch t {
+	case "bool":
+		return Bool, nil
+	case "dropdown":
+		return Dropdown, nil
+	case "generated":
+		return Generated, nil
+	case "radio":
+		return Radio, nil
+	case "text":
+		return Text, nil
+	case "number":
+		return Number, nil
+	case "longtext":
+		return LongText, nil
+	case "username":
+		return Username, nil
+	case "custom":
+		return Custom, nil
+	default:
+		return settingType, errors.New("invalid setting type: " + t)
+	}
+}
+
+// FindManifest will find and parse the manifest in a given directory.
+//
+// In all cases other than a does-not-exist error, path is set to the path of the manifest file that was
+// found.
+//
+// Manifests are JSON or YAML files named plugin.json, plugin.yaml, or plugin.yml.
+func FindManifest(dir string) (manifest *Manifest, path string, err error) {
+	for _, name := range []string{"plugin.yml", "plugin.yaml"} {
+		path = filepath.Join(dir, name)
+		f, ferr := os.Open(path)
+		if ferr != nil {
+			if !os.IsNotExist(ferr) {
+				return nil, "", ferr
+			}
+			continue
+		}
+		b, ioerr := ioutil.ReadAll(f)
+		f.Close()
+		if ioerr != nil {
+			return nil, path, ioerr
+		}
+		var parsed Manifest
+		err = yaml.Unmarshal(b, &parsed)
+		if err != nil {
+			return nil, path, err
+		}
+		manifest = &parsed
+		manifest.Id = strings.ToLower(manifest.Id)
+		return manifest, path, nil
+	}
+
+	path = filepath.Join(dir, "plugin.json")
+	f, ferr := os.Open(path)
+	if ferr != nil {
+		if os.IsNotExist(ferr) {
+			path = ""
+		}
+		return nil, path, ferr
+	}
+	defer f.Close()
+	var parsed Manifest
+	err = json.NewDecoder(f).Decode(&parsed)
+	if err != nil {
+		return nil, path, err
+	}
+	manifest = &parsed
+	manifest.Id = strings.ToLower(manifest.Id)
+	return manifest, path, nil
+}

vendor/github.com/mattermost/mattermost-server/v6/model/marketplace_plugin.go

@@ -0,0 +1,127 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"bytes"
+	"encoding/base64"
+	"encoding/json"
+	"io"
+	"net/url"
+	"strconv"
+
+	"github.com/pkg/errors"
+)
+
+// BaseMarketplacePlugin is a Mattermost plugin received from the Marketplace server.
+type BaseMarketplacePlugin struct {
+	HomepageURL     string             `json:"homepage_url"`
+	IconData        string             `json:"icon_data"`
+	DownloadURL     string             `json:"download_url"`
+	ReleaseNotesURL string             `json:"release_notes_url"`
+	Labels          []MarketplaceLabel `json:"labels,omitempty"`
+	Hosting         string             `json:"hosting"`       // Indicated if the plugin is limited to a certain hosting type
+	AuthorType      string             `json:"author_type"`   // The maintainer of the plugin
+	ReleaseStage    string             `json:"release_stage"` // The stage in the software release cycle that the plugin is in
+	Enterprise      bool               `json:"enterprise"`    // Indicated if the plugin is an enterprise plugin
+	Signature       string             `json:"signature"`     // Signature represents a signature of a plugin saved in base64 encoding.
+	Manifest        *Manifest          `json:"manifest"`
+}
+
+// MarketplaceLabel represents a label shown in the Marketplace UI.
+type MarketplaceLabel struct {
+	Name        string `json:"name"`
+	Description string `json:"description"`
+	URL         string `json:"url"`
+	Color       string `json:"color"`
+}
+
+// MarketplacePlugin is a state aware Marketplace plugin.
+type MarketplacePlugin struct {
+	*BaseMarketplacePlugin
+	InstalledVersion string `json:"installed_version"`
+}
+
+// BaseMarketplacePluginsFromReader decodes a json-encoded list of plugins from the given io.Reader.
+func BaseMarketplacePluginsFromReader(reader io.Reader) ([]*BaseMarketplacePlugin, error) {
+	plugins := []*BaseMarketplacePlugin{}
+	decoder := json.NewDecoder(reader)
+
+	if err := decoder.Decode(&plugins); err != nil && err != io.EOF {
+		return nil, err
+	}
+
+	return plugins, nil
+}
+
+// MarketplacePluginsFromReader decodes a json-encoded list of plugins from the given io.Reader.
+func MarketplacePluginsFromReader(reader io.Reader) ([]*MarketplacePlugin, error) {
+	plugins := []*MarketplacePlugin{}
+	decoder := json.NewDecoder(reader)
+
+	if err := decoder.Decode(&plugins); err != nil && err != io.EOF {
+		return nil, err
+	}
+
+	return plugins, nil
+}
+
+// DecodeSignature Decodes signature and returns ReadSeeker.
+func (plugin *BaseMarketplacePlugin) DecodeSignature() (io.ReadSeeker, error) {
+	signatureBytes, err := base64.StdEncoding.DecodeString(plugin.Signature)
+	if err != nil {
+		return nil, errors.Wrap(err, "Unable to decode base64 signature.")
+	}
+	return bytes.NewReader(signatureBytes), nil
+}
+
+// MarketplacePluginFilter describes the parameters to request a list of plugins.
+type MarketplacePluginFilter struct {
+	Page                 int
+	PerPage              int
+	Filter               string
+	ServerVersion        string
+	BuildEnterpriseReady bool
+	EnterprisePlugins    bool
+	Cloud                bool
+	LocalOnly            bool
+	Platform             string
+	PluginId             string
+	ReturnAllVersions    bool
+}
+
+// ApplyToURL modifies the given url to include query string parameters for the request.
+func (filter *MarketplacePluginFilter) ApplyToURL(u *url.URL) {
+	q := u.Query()
+	q.Add("page", strconv.Itoa(filter.Page))
+	if filter.PerPage > 0 {
+		q.Add("per_page", strconv.Itoa(filter.PerPage))
+	}
+	q.Add("filter", filter.Filter)
+	q.Add("server_version", filter.ServerVersion)
+	q.Add("build_enterprise_ready", strconv.FormatBool(filter.BuildEnterpriseReady))
+	q.Add("enterprise_plugins", strconv.FormatBool(filter.EnterprisePlugins))
+	q.Add("cloud", strconv.FormatBool(filter.Cloud))
+	q.Add("local_only", strconv.FormatBool(filter.LocalOnly))
+	q.Add("platform", filter.Platform)
+	q.Add("plugin_id", filter.PluginId)
+	q.Add("return_all_versions", strconv.FormatBool(filter.ReturnAllVersions))
+	u.RawQuery = q.Encode()
+}
+
+// InstallMarketplacePluginRequest struct describes parameters of the requested plugin.
+type InstallMarketplacePluginRequest struct {
+	Id      string `json:"id"`
+	Version string `json:"version"`
+}
+
+// PluginRequestFromReader decodes a json-encoded plugin request from the given io.Reader.
+func PluginRequestFromReader(reader io.Reader) (*InstallMarketplacePluginRequest, error) {
+	var r *InstallMarketplacePluginRequest
+	err := json.NewDecoder(reader).Decode(&r)
+	if err != nil {
+		return nil, err
+	}
+	return r, nil
+}

vendor/github.com/mattermost/mattermost-server/v6/model/mention_map.go

@@ -0,0 +1,80 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"fmt"
+	"net/url"
+)
+
+type UserMentionMap map[string]string
+type ChannelMentionMap map[string]string
+
+const (
+	userMentionsKey       = "user_mentions"
+	userMentionsIdsKey    = "user_mentions_ids"
+	channelMentionsKey    = "channel_mentions"
+	channelMentionsIdsKey = "channel_mentions_ids"
+)
+
+func UserMentionMapFromURLValues(values url.Values) (UserMentionMap, error) {
+	return mentionsFromURLValues(values, userMentionsKey, userMentionsIdsKey)
+}
+
+func (m UserMentionMap) ToURLValues() url.Values {
+	return mentionsToURLValues(m, userMentionsKey, userMentionsIdsKey)
+}
+
+func ChannelMentionMapFromURLValues(values url.Values) (ChannelMentionMap, error) {
+	return mentionsFromURLValues(values, channelMentionsKey, channelMentionsIdsKey)
+}
+
+func (m ChannelMentionMap) ToURLValues() url.Values {
+	return mentionsToURLValues(m, channelMentionsKey, channelMentionsIdsKey)
+}
+
+func mentionsFromURLValues(values url.Values, mentionKey, idKey string) (map[string]string, error) {
+	mentions, mentionsOk := values[mentionKey]
+	ids, idsOk := values[idKey]
+
+	if !mentionsOk && !idsOk {
+		return map[string]string{}, nil
+	}
+
+	if !mentionsOk {
+		return nil, fmt.Errorf("%s key not found", mentionKey)
+	}
+
+	if !idsOk {
+		return nil, fmt.Errorf("%s key not found", idKey)
+	}
+
+	if len(mentions) != len(ids) {
+		return nil, fmt.Errorf("keys %s and %s have different length", mentionKey, idKey)
+	}
+
+	mentionsMap := make(map[string]string)
+	for i, mention := range mentions {
+		id := ids[i]
+
+		if oldId, ok := mentionsMap[mention]; ok && oldId != id {
+			return nil, fmt.Errorf("key %s has two different values: %s and %s", mention, oldId, id)
+		}
+
+		mentionsMap[mention] = id
+	}
+
+	return mentionsMap, nil
+}
+
+func mentionsToURLValues(mentions map[string]string, mentionKey, idKey string) url.Values {
+	values := url.Values{}
+
+	for mention, id := range mentions {
+		values.Add(mentionKey, mention)
+		values.Add(idKey, id)
+	}
+
+	return values
+}

vendor/github.com/mattermost/mattermost-server/v6/model/message_export.go

@@ -0,0 +1,50 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import "encoding/json"
+
+type MessageExport struct {
+	TeamId          *string
+	TeamName        *string
+	TeamDisplayName *string
+
+	ChannelId          *string
+	ChannelName        *string
+	ChannelDisplayName *string
+	ChannelType        *ChannelType
+
+	UserId    *string
+	UserEmail *string
+	Username  *string
+	IsBot     bool
+
+	PostId         *string
+	PostCreateAt   *int64
+	PostUpdateAt   *int64
+	PostDeleteAt   *int64
+	PostMessage    *string
+	PostType       *string
+	PostRootId     *string
+	PostProps      *string
+	PostOriginalId *string
+	PostFileIds    StringArray
+}
+
+type MessageExportCursor struct {
+	LastPostUpdateAt int64
+	LastPostId       string
+}
+
+// PreviewID returns the value of the post's previewed_post prop, if present, or an empty string.
+func (m *MessageExport) PreviewID() string {
+	var previewID string
+	props := map[string]interface{}{}
+	if m.PostProps != nil && json.Unmarshal([]byte(*m.PostProps), &props) == nil {
+		if val, ok := props[PostPropsPreviewedPost]; ok {
+			previewID = val.(string)
+		}
+	}
+	return previewID
+}

vendor/github.com/mattermost/mattermost-server/v6/model/mfa_secret.go

@@ -0,0 +1,9 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+type MfaSecret struct {
+	Secret string `json:"secret"`
+	QRCode string `json:"qr_code"`
+}

vendor/github.com/mattermost/mattermost-server/v6/model/migration.go

@@ -0,0 +1,38 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+const (
+	AdvancedPermissionsMigrationKey       = "AdvancedPermissionsMigrationComplete"
+	MigrationKeyAdvancedPermissionsPhase2 = "migration_advanced_permissions_phase_2"
+
+	MigrationKeyEmojiPermissionsSplit                  = "emoji_permissions_split"
+	MigrationKeyWebhookPermissionsSplit                = "webhook_permissions_split"
+	MigrationKeyListJoinPublicPrivateTeams             = "list_join_public_private_teams"
+	MigrationKeyRemovePermanentDeleteUser              = "remove_permanent_delete_user"
+	MigrationKeyAddBotPermissions                      = "add_bot_permissions"
+	MigrationKeyApplyChannelManageDeleteToChannelUser  = "apply_channel_manage_delete_to_channel_user"
+	MigrationKeyRemoveChannelManageDeleteFromTeamUser  = "remove_channel_manage_delete_from_team_user"
+	MigrationKeyViewMembersNewPermission               = "view_members_new_permission"
+	MigrationKeyAddManageGuestsPermissions             = "add_manage_guests_permissions"
+	MigrationKeyChannelModerationsPermissions          = "channel_moderations_permissions"
+	MigrationKeyAddUseGroupMentionsPermission          = "add_use_group_mentions_permission"
+	MigrationKeyAddSystemConsolePermissions            = "add_system_console_permissions"
+	MigrationKeySidebarCategoriesPhase2                = "migration_sidebar_categories_phase_2"
+	MigrationKeyAddConvertChannelPermissions           = "add_convert_channel_permissions"
+	MigrationKeyAddSystemRolesPermissions              = "add_system_roles_permissions"
+	MigrationKeyAddBillingPermissions                  = "add_billing_permissions"
+	MigrationKeyAddManageSharedChannelPermissions      = "manage_shared_channel_permissions"
+	MigrationKeyAddManageSecureConnectionsPermissions  = "manage_secure_connections_permissions"
+	MigrationKeyAddDownloadComplianceExportResults     = "download_compliance_export_results"
+	MigrationKeyAddComplianceSubsectionPermissions     = "compliance_subsection_permissions"
+	MigrationKeyAddExperimentalSubsectionPermissions   = "experimental_subsection_permissions"
+	MigrationKeyAddAuthenticationSubsectionPermissions = "authentication_subsection_permissions"
+	MigrationKeyAddSiteSubsectionPermissions           = "site_subsection_permissions"
+	MigrationKeyAddEnvironmentSubsectionPermissions    = "environment_subsection_permissions"
+	MigrationKeyAddReportingSubsectionPermissions      = "reporting_subsection_permissions"
+	MigrationKeyAddTestEmailAncillaryPermission        = "test_email_ancillary_permission"
+	MigrationKeyAddAboutSubsectionPermissions          = "about_subsection_permissions"
+	MigrationKeyAddIntegrationsSubsectionPermissions   = "integrations_subsection_permissions"
+)

vendor/github.com/mattermost/mattermost-server/v6/model/oauth.go

@@ -0,0 +1,127 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"fmt"
+	"net/http"
+	"unicode/utf8"
+)
+
+const (
+	OAuthActionSignup     = "signup"
+	OAuthActionLogin      = "login"
+	OAuthActionEmailToSSO = "email_to_sso"
+	OAuthActionSSOToEmail = "sso_to_email"
+	OAuthActionMobile     = "mobile"
+)
+
+type OAuthApp struct {
+	Id           string      `json:"id"`
+	CreatorId    string      `json:"creator_id"`
+	CreateAt     int64       `json:"create_at"`
+	UpdateAt     int64       `json:"update_at"`
+	ClientSecret string      `json:"client_secret"`
+	Name         string      `json:"name"`
+	Description  string      `json:"description"`
+	IconURL      string      `json:"icon_url"`
+	CallbackUrls StringArray `json:"callback_urls"`
+	Homepage     string      `json:"homepage"`
+	IsTrusted    bool        `json:"is_trusted"`
+}
+
+// IsValid validates the app and returns an error if it isn't configured
+// correctly.
+func (a *OAuthApp) IsValid() *AppError {
+
+	if !IsValidId(a.Id) {
+		return NewAppError("OAuthApp.IsValid", "model.oauth.is_valid.app_id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if a.CreateAt == 0 {
+		return NewAppError("OAuthApp.IsValid", "model.oauth.is_valid.create_at.app_error", nil, "app_id="+a.Id, http.StatusBadRequest)
+	}
+
+	if a.UpdateAt == 0 {
+		return NewAppError("OAuthApp.IsValid", "model.oauth.is_valid.update_at.app_error", nil, "app_id="+a.Id, http.StatusBadRequest)
+	}
+
+	if !IsValidId(a.CreatorId) {
+		return NewAppError("OAuthApp.IsValid", "model.oauth.is_valid.creator_id.app_error", nil, "app_id="+a.Id, http.StatusBadRequest)
+	}
+
+	if a.ClientSecret == "" || len(a.ClientSecret) > 128 {
+		return NewAppError("OAuthApp.IsValid", "model.oauth.is_valid.client_secret.app_error", nil, "app_id="+a.Id, http.StatusBadRequest)
+	}
+
+	if a.Name == "" || len(a.Name) > 64 {
+		return NewAppError("OAuthApp.IsValid", "model.oauth.is_valid.name.app_error", nil, "app_id="+a.Id, http.StatusBadRequest)
+	}
+
+	if len(a.CallbackUrls) == 0 || len(fmt.Sprintf("%s", a.CallbackUrls)) > 1024 {
+		return NewAppError("OAuthApp.IsValid", "model.oauth.is_valid.callback.app_error", nil, "app_id="+a.Id, http.StatusBadRequest)
+	}
+
+	for _, callback := range a.CallbackUrls {
+		if !IsValidHTTPURL(callback) {
+			return NewAppError("OAuthApp.IsValid", "model.oauth.is_valid.callback.app_error", nil, "", http.StatusBadRequest)
+		}
+	}
+
+	if a.Homepage == "" || len(a.Homepage) > 256 || !IsValidHTTPURL(a.Homepage) {
+		return NewAppError("OAuthApp.IsValid", "model.oauth.is_valid.homepage.app_error", nil, "app_id="+a.Id, http.StatusBadRequest)
+	}
+
+	if utf8.RuneCountInString(a.Description) > 512 {
+		return NewAppError("OAuthApp.IsValid", "model.oauth.is_valid.description.app_error", nil, "app_id="+a.Id, http.StatusBadRequest)
+	}
+
+	if a.IconURL != "" {
+		if len(a.IconURL) > 512 || !IsValidHTTPURL(a.IconURL) {
+			return NewAppError("OAuthApp.IsValid", "model.oauth.is_valid.icon_url.app_error", nil, "app_id="+a.Id, http.StatusBadRequest)
+		}
+	}
+
+	return nil
+}
+
+// PreSave will set the Id and ClientSecret if missing.  It will also fill
+// in the CreateAt, UpdateAt times. It should be run before saving the app to the db.
+func (a *OAuthApp) PreSave() {
+	if a.Id == "" {
+		a.Id = NewId()
+	}
+
+	if a.ClientSecret == "" {
+		a.ClientSecret = NewId()
+	}
+
+	a.CreateAt = GetMillis()
+	a.UpdateAt = a.CreateAt
+}
+
+// PreUpdate should be run before updating the app in the db.
+func (a *OAuthApp) PreUpdate() {
+	a.UpdateAt = GetMillis()
+}
+
+// Generate a valid strong etag so the browser can cache the results
+func (a *OAuthApp) Etag() string {
+	return Etag(a.Id, a.UpdateAt)
+}
+
+// Remove any private data from the app object
+func (a *OAuthApp) Sanitize() {
+	a.ClientSecret = ""
+}
+
+func (a *OAuthApp) IsValidRedirectURL(url string) bool {
+	for _, u := range a.CallbackUrls {
+		if u == url {
+			return true
+		}
+	}
+
+	return false
+}

vendor/github.com/mattermost/mattermost-server/v6/model/outgoing_webhook.go

@@ -0,0 +1,224 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"fmt"
+	"net/http"
+	"net/url"
+	"strconv"
+	"strings"
+)
+
+type OutgoingWebhook struct {
+	Id           string      `json:"id"`
+	Token        string      `json:"token"`
+	CreateAt     int64       `json:"create_at"`
+	UpdateAt     int64       `json:"update_at"`
+	DeleteAt     int64       `json:"delete_at"`
+	CreatorId    string      `json:"creator_id"`
+	ChannelId    string      `json:"channel_id"`
+	TeamId       string      `json:"team_id"`
+	TriggerWords StringArray `json:"trigger_words"`
+	TriggerWhen  int         `json:"trigger_when"`
+	CallbackURLs StringArray `json:"callback_urls"`
+	DisplayName  string      `json:"display_name"`
+	Description  string      `json:"description"`
+	ContentType  string      `json:"content_type"`
+	Username     string      `json:"username"`
+	IconURL      string      `json:"icon_url"`
+}
+
+type OutgoingWebhookPayload struct {
+	Token       string `json:"token"`
+	TeamId      string `json:"team_id"`
+	TeamDomain  string `json:"team_domain"`
+	ChannelId   string `json:"channel_id"`
+	ChannelName string `json:"channel_name"`
+	Timestamp   int64  `json:"timestamp"`
+	UserId      string `json:"user_id"`
+	UserName    string `json:"user_name"`
+	PostId      string `json:"post_id"`
+	Text        string `json:"text"`
+	TriggerWord string `json:"trigger_word"`
+	FileIds     string `json:"file_ids"`
+}
+
+type OutgoingWebhookResponse struct {
+	Text         *string            `json:"text"`
+	Username     string             `json:"username"`
+	IconURL      string             `json:"icon_url"`
+	Props        StringInterface    `json:"props"`
+	Attachments  []*SlackAttachment `json:"attachments"`
+	Type         string             `json:"type"`
+	ResponseType string             `json:"response_type"`
+}
+
+const OutgoingHookResponseTypeComment = "comment"
+
+func (o *OutgoingWebhookPayload) ToFormValues() string {
+	v := url.Values{}
+	v.Set("token", o.Token)
+	v.Set("team_id", o.TeamId)
+	v.Set("team_domain", o.TeamDomain)
+	v.Set("channel_id", o.ChannelId)
+	v.Set("channel_name", o.ChannelName)
+	v.Set("timestamp", strconv.FormatInt(o.Timestamp/1000, 10))
+	v.Set("user_id", o.UserId)
+	v.Set("user_name", o.UserName)
+	v.Set("post_id", o.PostId)
+	v.Set("text", o.Text)
+	v.Set("trigger_word", o.TriggerWord)
+	v.Set("file_ids", o.FileIds)
+
+	return v.Encode()
+}
+
+func (o *OutgoingWebhook) IsValid() *AppError {
+
+	if !IsValidId(o.Id) {
+		return NewAppError("OutgoingWebhook.IsValid", "model.outgoing_hook.is_valid.id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if len(o.Token) != 26 {
+		return NewAppError("OutgoingWebhook.IsValid", "model.outgoing_hook.is_valid.token.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if o.CreateAt == 0 {
+		return NewAppError("OutgoingWebhook.IsValid", "model.outgoing_hook.is_valid.create_at.app_error", nil, "id="+o.Id, http.StatusBadRequest)
+	}
+
+	if o.UpdateAt == 0 {
+		return NewAppError("OutgoingWebhook.IsValid", "model.outgoing_hook.is_valid.update_at.app_error", nil, "id="+o.Id, http.StatusBadRequest)
+	}
+
+	if !IsValidId(o.CreatorId) {
+		return NewAppError("OutgoingWebhook.IsValid", "model.outgoing_hook.is_valid.user_id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if o.ChannelId != "" && !IsValidId(o.ChannelId) {
+		return NewAppError("OutgoingWebhook.IsValid", "model.outgoing_hook.is_valid.channel_id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if !IsValidId(o.TeamId) {
+		return NewAppError("OutgoingWebhook.IsValid", "model.outgoing_hook.is_valid.team_id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if len(fmt.Sprintf("%s", o.TriggerWords)) > 1024 {
+		return NewAppError("OutgoingWebhook.IsValid", "model.outgoing_hook.is_valid.words.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if len(o.TriggerWords) != 0 {
+		for _, triggerWord := range o.TriggerWords {
+			if triggerWord == "" {
+				return NewAppError("OutgoingWebhook.IsValid", "model.outgoing_hook.is_valid.trigger_words.app_error", nil, "", http.StatusBadRequest)
+			}
+		}
+	}
+
+	if len(o.CallbackURLs) == 0 || len(fmt.Sprintf("%s", o.CallbackURLs)) > 1024 {
+		return NewAppError("OutgoingWebhook.IsValid", "model.outgoing_hook.is_valid.callback.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	for _, callback := range o.CallbackURLs {
+		if !IsValidHTTPURL(callback) {
+			return NewAppError("OutgoingWebhook.IsValid", "model.outgoing_hook.is_valid.url.app_error", nil, "", http.StatusBadRequest)
+		}
+	}
+
+	if len(o.DisplayName) > 64 {
+		return NewAppError("OutgoingWebhook.IsValid", "model.outgoing_hook.is_valid.display_name.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if len(o.Description) > 500 {
+		return NewAppError("OutgoingWebhook.IsValid", "model.outgoing_hook.is_valid.description.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if len(o.ContentType) > 128 {
+		return NewAppError("OutgoingWebhook.IsValid", "model.outgoing_hook.is_valid.content_type.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if o.TriggerWhen > 1 {
+		return NewAppError("OutgoingWebhook.IsValid", "model.outgoing_hook.is_valid.content_type.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if len(o.Username) > 64 {
+		return NewAppError("OutgoingWebhook.IsValid", "model.outgoing_hook.username.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if len(o.IconURL) > 1024 {
+		return NewAppError("OutgoingWebhook.IsValid", "model.outgoing_hook.icon_url.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	return nil
+}
+
+func (o *OutgoingWebhook) PreSave() {
+	if o.Id == "" {
+		o.Id = NewId()
+	}
+
+	if o.Token == "" {
+		o.Token = NewId()
+	}
+
+	o.CreateAt = GetMillis()
+	o.UpdateAt = o.CreateAt
+}
+
+func (o *OutgoingWebhook) PreUpdate() {
+	o.UpdateAt = GetMillis()
+}
+
+func (o *OutgoingWebhook) TriggerWordExactMatch(word string) bool {
+	if word == "" {
+		return false
+	}
+
+	for _, trigger := range o.TriggerWords {
+		if trigger == word {
+			return true
+		}
+	}
+
+	return false
+}
+
+func (o *OutgoingWebhook) TriggerWordStartsWith(word string) bool {
+	if word == "" {
+		return false
+	}
+
+	for _, trigger := range o.TriggerWords {
+		if strings.HasPrefix(word, trigger) {
+			return true
+		}
+	}
+
+	return false
+}
+
+func (o *OutgoingWebhook) GetTriggerWord(word string, isExactMatch bool) (triggerWord string) {
+	if word == "" {
+		return
+	}
+
+	if isExactMatch {
+		for _, trigger := range o.TriggerWords {
+			if trigger == word {
+				triggerWord = trigger
+				break
+			}
+		}
+	} else {
+		for _, trigger := range o.TriggerWords {
+			if strings.HasPrefix(word, trigger) {
+				triggerWord = trigger
+				break
+			}
+		}
+	}
+
+	return triggerWord
+}

vendor/github.com/mattermost/mattermost-server/v6/model/permalink.go

@@ -0,0 +1,27 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+type Permalink struct {
+	PreviewPost *PreviewPost `json:"preview_post"`
+}
+
+type PreviewPost struct {
+	PostID             string `json:"post_id"`
+	Post               *Post  `json:"post"`
+	TeamName           string `json:"team_name"`
+	ChannelDisplayName string `json:"channel_display_name"`
+}
+
+func NewPreviewPost(post *Post, team *Team, channel *Channel) *PreviewPost {
+	if post == nil {
+		return nil
+	}
+	return &PreviewPost{
+		PostID:             post.Id,
+		Post:               post,
+		TeamName:           team.Name,
+		ChannelDisplayName: channel.DisplayName,
+	}
+}

vendor/github.com/mattermost/mattermost-server/v6/model/plugin_cluster_event.go

@@ -0,0 +1,28 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+const (
+	PluginClusterEventSendTypeReliable   = ClusterSendReliable
+	PluginClusterEventSendTypeBestEffort = ClusterSendBestEffort
+)
+
+// PluginClusterEvent is used to allow intra-cluster plugin communication.
+type PluginClusterEvent struct {
+	// Id is the unique identifier for the event.
+	Id string
+	// Data is the event payload.
+	Data []byte
+}
+
+// PluginClusterEventSendOptions defines some properties that apply when sending
+// plugin events across a cluster.
+type PluginClusterEventSendOptions struct {
+	// SendType defines the type of communication channel used to send the event.
+	SendType string
+	// TargetId identifies the cluster node to which the event should be sent.
+	// It should match the cluster id of the receiving instance.
+	// If empty, the event gets broadcasted to all other nodes.
+	TargetId string
+}

vendor/github.com/mattermost/mattermost-server/v6/model/plugin_event_data.go

@@ -0,0 +1,9 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+// PluginEventData used to notify peers about plugin changes.
+type PluginEventData struct {
+	Id string `json:"id"`
+}

vendor/github.com/mattermost/mattermost-server/v6/model/plugin_key_value.go

@@ -0,0 +1,33 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"net/http"
+	"unicode/utf8"
+)
+
+const (
+	KeyValuePluginIdMaxRunes = 190
+	KeyValueKeyMaxRunes      = 50
+)
+
+type PluginKeyValue struct {
+	PluginId string `json:"plugin_id"`
+	Key      string `json:"key" db:"PKey"`
+	Value    []byte `json:"value" db:"PValue"`
+	ExpireAt int64  `json:"expire_at"`
+}
+
+func (kv *PluginKeyValue) IsValid() *AppError {
+	if kv.PluginId == "" || utf8.RuneCountInString(kv.PluginId) > KeyValuePluginIdMaxRunes {
+		return NewAppError("PluginKeyValue.IsValid", "model.plugin_key_value.is_valid.plugin_id.app_error", map[string]interface{}{"Max": KeyValueKeyMaxRunes, "Min": 0}, "key="+kv.Key, http.StatusBadRequest)
+	}
+
+	if kv.Key == "" || utf8.RuneCountInString(kv.Key) > KeyValueKeyMaxRunes {
+		return NewAppError("PluginKeyValue.IsValid", "model.plugin_key_value.is_valid.key.app_error", map[string]interface{}{"Max": KeyValueKeyMaxRunes, "Min": 0}, "key="+kv.Key, http.StatusBadRequest)
+	}
+
+	return nil
+}

vendor/github.com/mattermost/mattermost-server/v6/model/plugin_kvset_options.go

@@ -0,0 +1,47 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"net/http"
+)
+
+// PluginKVSetOptions contains information on how to store a value in the plugin KV store.
+type PluginKVSetOptions struct {
+	Atomic          bool   // Only store the value if the current value matches the oldValue
+	OldValue        []byte // The value to compare with the current value. Only used when Atomic is true
+	ExpireInSeconds int64  // Set an expire counter
+}
+
+// IsValid returns nil if the chosen options are valid.
+func (opt *PluginKVSetOptions) IsValid() *AppError {
+	if !opt.Atomic && opt.OldValue != nil {
+		return NewAppError(
+			"PluginKVSetOptions.IsValid",
+			"model.plugin_kvset_options.is_valid.old_value.app_error",
+			nil,
+			"",
+			http.StatusBadRequest,
+		)
+	}
+
+	return nil
+}
+
+// NewPluginKeyValueFromOptions return a PluginKeyValue given a pluginID, a KV pair and options.
+func NewPluginKeyValueFromOptions(pluginId, key string, value []byte, opt PluginKVSetOptions) (*PluginKeyValue, *AppError) {
+	expireAt := int64(0)
+	if opt.ExpireInSeconds != 0 {
+		expireAt = GetMillis() + (opt.ExpireInSeconds * 1000)
+	}
+
+	kv := &PluginKeyValue{
+		PluginId: pluginId,
+		Key:      key,
+		Value:    value,
+		ExpireAt: expireAt,
+	}
+
+	return kv, nil
+}

vendor/github.com/mattermost/mattermost-server/v6/model/plugin_status.go

@@ -0,0 +1,26 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+const (
+	PluginStateNotRunning          = 0
+	PluginStateStarting            = 1 // unused by server
+	PluginStateRunning             = 2
+	PluginStateFailedToStart       = 3
+	PluginStateFailedToStayRunning = 4
+	PluginStateStopping            = 5 // unused by server
+)
+
+// PluginStatus provides a cluster-aware view of installed plugins.
+type PluginStatus struct {
+	PluginId    string `json:"plugin_id"`
+	ClusterId   string `json:"cluster_id"`
+	PluginPath  string `json:"plugin_path"`
+	State       int    `json:"state"`
+	Name        string `json:"name"`
+	Description string `json:"description"`
+	Version     string `json:"version"`
+}
+
+type PluginStatuses []*PluginStatus

vendor/github.com/mattermost/mattermost-server/v6/model/plugin_valid.go

@@ -0,0 +1,39 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"regexp"
+	"unicode/utf8"
+)
+
+const (
+	MinIdLength  = 3
+	MaxIdLength  = 190
+	ValidIdRegex = `^[a-zA-Z0-9-_\.]+$`
+)
+
+// ValidId constrains the set of valid plugin identifiers:
+//  ^[a-zA-Z0-9-_\.]+
+var validId *regexp.Regexp
+
+func init() {
+	validId = regexp.MustCompile(ValidIdRegex)
+}
+
+// IsValidPluginId verifies that the plugin id has a minimum length of 3, maximum length of 190, and
+// contains only alphanumeric characters, dashes, underscores and periods.
+//
+// These constraints are necessary since the plugin id is used as part of a filesystem path.
+func IsValidPluginId(id string) bool {
+	if utf8.RuneCountInString(id) < MinIdLength {
+		return false
+	}
+
+	if utf8.RuneCountInString(id) > MaxIdLength {
+		return false
+	}
+
+	return validId.MatchString(id)
+}

vendor/github.com/mattermost/mattermost-server/v6/model/plugins_response.go

@@ -0,0 +1,13 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+type PluginInfo struct {
+	Manifest
+}
+
+type PluginsResponse struct {
+	Active   []*PluginInfo `json:"active"`
+	Inactive []*PluginInfo `json:"inactive"`
+}

vendor/github.com/mattermost/mattermost-server/v6/model/post.go

@@ -0,0 +1,719 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"errors"
+	"net/http"
+	"regexp"
+	"sort"
+	"strings"
+	"sync"
+	"unicode/utf8"
+
+	"github.com/mattermost/mattermost-server/v6/shared/markdown"
+)
+
+const (
+	PostSystemMessagePrefix        = "system_"
+	PostTypeDefault                = ""
+	PostTypeSlackAttachment        = "slack_attachment"
+	PostTypeSystemGeneric          = "system_generic"
+	PostTypeJoinLeave              = "system_join_leave" // Deprecated, use PostJoinChannel or PostLeaveChannel instead
+	PostTypeJoinChannel            = "system_join_channel"
+	PostTypeGuestJoinChannel       = "system_guest_join_channel"
+	PostTypeLeaveChannel           = "system_leave_channel"
+	PostTypeJoinTeam               = "system_join_team"
+	PostTypeLeaveTeam              = "system_leave_team"
+	PostTypeAutoResponder          = "system_auto_responder"
+	PostTypeAddRemove              = "system_add_remove" // Deprecated, use PostAddToChannel or PostRemoveFromChannel instead
+	PostTypeAddToChannel           = "system_add_to_channel"
+	PostTypeAddGuestToChannel      = "system_add_guest_to_chan"
+	PostTypeRemoveFromChannel      = "system_remove_from_channel"
+	PostTypeMoveChannel            = "system_move_channel"
+	PostTypeAddToTeam              = "system_add_to_team"
+	PostTypeRemoveFromTeam         = "system_remove_from_team"
+	PostTypeHeaderChange           = "system_header_change"
+	PostTypeDisplaynameChange      = "system_displayname_change"
+	PostTypeConvertChannel         = "system_convert_channel"
+	PostTypePurposeChange          = "system_purpose_change"
+	PostTypeChannelDeleted         = "system_channel_deleted"
+	PostTypeChannelRestored        = "system_channel_restored"
+	PostTypeEphemeral              = "system_ephemeral"
+	PostTypeChangeChannelPrivacy   = "system_change_chan_privacy"
+	PostTypeAddBotTeamsChannels    = "add_bot_teams_channels"
+	PostTypeSystemWarnMetricStatus = "warn_metric_status"
+	PostTypeMe                     = "me"
+	PostCustomTypePrefix           = "custom_"
+
+	PostFileidsMaxRunes   = 300
+	PostFilenamesMaxRunes = 4000
+	PostHashtagsMaxRunes  = 1000
+	PostMessageMaxRunesV1 = 4000
+	PostMessageMaxBytesV2 = 65535                     // Maximum size of a TEXT column in MySQL
+	PostMessageMaxRunesV2 = PostMessageMaxBytesV2 / 4 // Assume a worst-case representation
+	PostPropsMaxRunes     = 800000
+	PostPropsMaxUserRunes = PostPropsMaxRunes - 40000 // Leave some room for system / pre-save modifications
+
+	PropsAddChannelMember = "add_channel_member"
+
+	PostPropsAddedUserId       = "addedUserId"
+	PostPropsDeleteBy          = "deleteBy"
+	PostPropsOverrideIconURL   = "override_icon_url"
+	PostPropsOverrideIconEmoji = "override_icon_emoji"
+
+	PostPropsMentionHighlightDisabled = "mentionHighlightDisabled"
+	PostPropsGroupHighlightDisabled   = "disable_group_highlight"
+
+	PostPropsPreviewedPost = "previewed_post"
+)
+
+type Post struct {
+	Id         string `json:"id"`
+	CreateAt   int64  `json:"create_at"`
+	UpdateAt   int64  `json:"update_at"`
+	EditAt     int64  `json:"edit_at"`
+	DeleteAt   int64  `json:"delete_at"`
+	IsPinned   bool   `json:"is_pinned"`
+	UserId     string `json:"user_id"`
+	ChannelId  string `json:"channel_id"`
+	RootId     string `json:"root_id"`
+	OriginalId string `json:"original_id"`
+
+	Message string `json:"message"`
+	// MessageSource will contain the message as submitted by the user if Message has been modified
+	// by Mattermost for presentation (e.g if an image proxy is being used). It should be used to
+	// populate edit boxes if present.
+	MessageSource string `json:"message_source,omitempty" db:"-"`
+
+	Type          string          `json:"type"`
+	propsMu       sync.RWMutex    `db:"-"`       // Unexported mutex used to guard Post.Props.
+	Props         StringInterface `json:"props"` // Deprecated: use GetProps()
+	Hashtags      string          `json:"hashtags"`
+	Filenames     StringArray     `json:"-"` // Deprecated, do not use this field any more
+	FileIds       StringArray     `json:"file_ids,omitempty"`
+	PendingPostId string          `json:"pending_post_id" db:"-"`
+	HasReactions  bool            `json:"has_reactions,omitempty"`
+	RemoteId      *string         `json:"remote_id,omitempty"`
+
+	// Transient data populated before sending a post to the client
+	ReplyCount   int64         `json:"reply_count" db:"-"`
+	LastReplyAt  int64         `json:"last_reply_at" db:"-"`
+	Participants []*User       `json:"participants" db:"-"`
+	IsFollowing  *bool         `json:"is_following,omitempty" db:"-"` // for root posts in collapsed thread mode indicates if the current user is following this thread
+	Metadata     *PostMetadata `json:"metadata,omitempty" db:"-"`
+}
+
+type PostEphemeral struct {
+	UserID string `json:"user_id"`
+	Post   *Post  `json:"post"`
+}
+
+type PostPatch struct {
+	IsPinned     *bool            `json:"is_pinned"`
+	Message      *string          `json:"message"`
+	Props        *StringInterface `json:"props"`
+	FileIds      *StringArray     `json:"file_ids"`
+	HasReactions *bool            `json:"has_reactions"`
+}
+
+type SearchParameter struct {
+	Terms                  *string `json:"terms"`
+	IsOrSearch             *bool   `json:"is_or_search"`
+	TimeZoneOffset         *int    `json:"time_zone_offset"`
+	Page                   *int    `json:"page"`
+	PerPage                *int    `json:"per_page"`
+	IncludeDeletedChannels *bool   `json:"include_deleted_channels"`
+}
+
+type AnalyticsPostCountsOptions struct {
+	TeamId        string
+	BotsOnly      bool
+	YesterdayOnly bool
+}
+
+func (o *PostPatch) WithRewrittenImageURLs(f func(string) string) *PostPatch {
+	copy := *o
+	if copy.Message != nil {
+		*copy.Message = RewriteImageURLs(*o.Message, f)
+	}
+	return &copy
+}
+
+type PostForExport struct {
+	Post
+	TeamName    string
+	ChannelName string
+	Username    string
+	ReplyCount  int
+}
+
+type DirectPostForExport struct {
+	Post
+	User           string
+	ChannelMembers *[]string
+}
+
+type ReplyForExport struct {
+	Post
+	Username string
+}
+
+type PostForIndexing struct {
+	Post
+	TeamId         string `json:"team_id"`
+	ParentCreateAt *int64 `json:"parent_create_at"`
+}
+
+type FileForIndexing struct {
+	FileInfo
+	ChannelId string `json:"channel_id"`
+	Content   string `json:"content"`
+}
+
+// ShallowCopy is an utility function to shallow copy a Post to the given
+// destination without touching the internal RWMutex.
+func (o *Post) ShallowCopy(dst *Post) error {
+	if dst == nil {
+		return errors.New("dst cannot be nil")
+	}
+	o.propsMu.RLock()
+	defer o.propsMu.RUnlock()
+	dst.propsMu.Lock()
+	defer dst.propsMu.Unlock()
+	dst.Id = o.Id
+	dst.CreateAt = o.CreateAt
+	dst.UpdateAt = o.UpdateAt
+	dst.EditAt = o.EditAt
+	dst.DeleteAt = o.DeleteAt
+	dst.IsPinned = o.IsPinned
+	dst.UserId = o.UserId
+	dst.ChannelId = o.ChannelId
+	dst.RootId = o.RootId
+	dst.OriginalId = o.OriginalId
+	dst.Message = o.Message
+	dst.MessageSource = o.MessageSource
+	dst.Type = o.Type
+	dst.Props = o.Props
+	dst.Hashtags = o.Hashtags
+	dst.Filenames = o.Filenames
+	dst.FileIds = o.FileIds
+	dst.PendingPostId = o.PendingPostId
+	dst.HasReactions = o.HasReactions
+	dst.ReplyCount = o.ReplyCount
+	dst.Participants = o.Participants
+	dst.LastReplyAt = o.LastReplyAt
+	dst.Metadata = o.Metadata
+	if o.IsFollowing != nil {
+		dst.IsFollowing = NewBool(*o.IsFollowing)
+	}
+	dst.RemoteId = o.RemoteId
+	return nil
+}
+
+// Clone shallowly copies the post and returns the copy.
+func (o *Post) Clone() *Post {
+	copy := &Post{}
+	o.ShallowCopy(copy)
+	return copy
+}
+
+func (o *Post) ToJSON() (string, error) {
+	copy := o.Clone()
+	copy.StripActionIntegrations()
+	b, err := json.Marshal(copy)
+	return string(b), err
+}
+
+type GetPostsSinceOptions struct {
+	UserId                   string
+	ChannelId                string
+	Time                     int64
+	SkipFetchThreads         bool
+	CollapsedThreads         bool
+	CollapsedThreadsExtended bool
+	SortAscending            bool
+}
+
+type GetPostsSinceForSyncCursor struct {
+	LastPostUpdateAt int64
+	LastPostId       string
+}
+
+type GetPostsSinceForSyncOptions struct {
+	ChannelId       string
+	ExcludeRemoteId string
+	IncludeDeleted  bool
+}
+
+type GetPostsOptions struct {
+	UserId                   string
+	ChannelId                string
+	PostId                   string
+	Page                     int
+	PerPage                  int
+	SkipFetchThreads         bool
+	CollapsedThreads         bool
+	CollapsedThreadsExtended bool
+}
+
+func (o *Post) Etag() string {
+	return Etag(o.Id, o.UpdateAt)
+}
+
+func (o *Post) IsValid(maxPostSize int) *AppError {
+	if !IsValidId(o.Id) {
+		return NewAppError("Post.IsValid", "model.post.is_valid.id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if o.CreateAt == 0 {
+		return NewAppError("Post.IsValid", "model.post.is_valid.create_at.app_error", nil, "id="+o.Id, http.StatusBadRequest)
+	}
+
+	if o.UpdateAt == 0 {
+		return NewAppError("Post.IsValid", "model.post.is_valid.update_at.app_error", nil, "id="+o.Id, http.StatusBadRequest)
+	}
+
+	if !IsValidId(o.UserId) {
+		return NewAppError("Post.IsValid", "model.post.is_valid.user_id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if !IsValidId(o.ChannelId) {
+		return NewAppError("Post.IsValid", "model.post.is_valid.channel_id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if !(IsValidId(o.RootId) || o.RootId == "") {
+		return NewAppError("Post.IsValid", "model.post.is_valid.root_id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if !(len(o.OriginalId) == 26 || o.OriginalId == "") {
+		return NewAppError("Post.IsValid", "model.post.is_valid.original_id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if utf8.RuneCountInString(o.Message) > maxPostSize {
+		return NewAppError("Post.IsValid", "model.post.is_valid.msg.app_error", nil, "id="+o.Id, http.StatusBadRequest)
+	}
+
+	if utf8.RuneCountInString(o.Hashtags) > PostHashtagsMaxRunes {
+		return NewAppError("Post.IsValid", "model.post.is_valid.hashtags.app_error", nil, "id="+o.Id, http.StatusBadRequest)
+	}
+
+	switch o.Type {
+	case
+		PostTypeDefault,
+		PostTypeSystemGeneric,
+		PostTypeJoinLeave,
+		PostTypeAutoResponder,
+		PostTypeAddRemove,
+		PostTypeJoinChannel,
+		PostTypeGuestJoinChannel,
+		PostTypeLeaveChannel,
+		PostTypeJoinTeam,
+		PostTypeLeaveTeam,
+		PostTypeAddToChannel,
+		PostTypeAddGuestToChannel,
+		PostTypeRemoveFromChannel,
+		PostTypeMoveChannel,
+		PostTypeAddToTeam,
+		PostTypeRemoveFromTeam,
+		PostTypeSlackAttachment,
+		PostTypeHeaderChange,
+		PostTypePurposeChange,
+		PostTypeDisplaynameChange,
+		PostTypeConvertChannel,
+		PostTypeChannelDeleted,
+		PostTypeChannelRestored,
+		PostTypeChangeChannelPrivacy,
+		PostTypeAddBotTeamsChannels,
+		PostTypeSystemWarnMetricStatus,
+		PostTypeMe:
+	default:
+		if !strings.HasPrefix(o.Type, PostCustomTypePrefix) {
+			return NewAppError("Post.IsValid", "model.post.is_valid.type.app_error", nil, "id="+o.Type, http.StatusBadRequest)
+		}
+	}
+
+	if utf8.RuneCountInString(ArrayToJSON(o.Filenames)) > PostFilenamesMaxRunes {
+		return NewAppError("Post.IsValid", "model.post.is_valid.filenames.app_error", nil, "id="+o.Id, http.StatusBadRequest)
+	}
+
+	if utf8.RuneCountInString(ArrayToJSON(o.FileIds)) > PostFileidsMaxRunes {
+		return NewAppError("Post.IsValid", "model.post.is_valid.file_ids.app_error", nil, "id="+o.Id, http.StatusBadRequest)
+	}
+
+	if utf8.RuneCountInString(StringInterfaceToJSON(o.GetProps())) > PostPropsMaxRunes {
+		return NewAppError("Post.IsValid", "model.post.is_valid.props.app_error", nil, "id="+o.Id, http.StatusBadRequest)
+	}
+
+	return nil
+}
+
+func (o *Post) SanitizeProps() {
+	if o == nil {
+		return
+	}
+	membersToSanitize := []string{
+		PropsAddChannelMember,
+	}
+
+	for _, member := range membersToSanitize {
+		if _, ok := o.GetProps()[member]; ok {
+			o.DelProp(member)
+		}
+	}
+	for _, p := range o.Participants {
+		p.Sanitize(map[string]bool{})
+	}
+}
+
+func (o *Post) PreSave() {
+	if o.Id == "" {
+		o.Id = NewId()
+	}
+
+	o.OriginalId = ""
+
+	if o.CreateAt == 0 {
+		o.CreateAt = GetMillis()
+	}
+
+	o.UpdateAt = o.CreateAt
+	o.PreCommit()
+}
+
+func (o *Post) PreCommit() {
+	if o.GetProps() == nil {
+		o.SetProps(make(map[string]interface{}))
+	}
+
+	if o.Filenames == nil {
+		o.Filenames = []string{}
+	}
+
+	if o.FileIds == nil {
+		o.FileIds = []string{}
+	}
+
+	o.GenerateActionIds()
+
+	// There's a rare bug where the client sends up duplicate FileIds so protect against that
+	o.FileIds = RemoveDuplicateStrings(o.FileIds)
+}
+
+func (o *Post) MakeNonNil() {
+	if o.GetProps() == nil {
+		o.SetProps(make(map[string]interface{}))
+	}
+}
+
+func (o *Post) DelProp(key string) {
+	o.propsMu.Lock()
+	defer o.propsMu.Unlock()
+	propsCopy := make(map[string]interface{}, len(o.Props)-1)
+	for k, v := range o.Props {
+		propsCopy[k] = v
+	}
+	delete(propsCopy, key)
+	o.Props = propsCopy
+}
+
+func (o *Post) AddProp(key string, value interface{}) {
+	o.propsMu.Lock()
+	defer o.propsMu.Unlock()
+	propsCopy := make(map[string]interface{}, len(o.Props)+1)
+	for k, v := range o.Props {
+		propsCopy[k] = v
+	}
+	propsCopy[key] = value
+	o.Props = propsCopy
+}
+
+func (o *Post) GetProps() StringInterface {
+	o.propsMu.RLock()
+	defer o.propsMu.RUnlock()
+	return o.Props
+}
+
+func (o *Post) SetProps(props StringInterface) {
+	o.propsMu.Lock()
+	defer o.propsMu.Unlock()
+	o.Props = props
+}
+
+func (o *Post) GetProp(key string) interface{} {
+	o.propsMu.RLock()
+	defer o.propsMu.RUnlock()
+	return o.Props[key]
+}
+
+func (o *Post) IsSystemMessage() bool {
+	return len(o.Type) >= len(PostSystemMessagePrefix) && o.Type[:len(PostSystemMessagePrefix)] == PostSystemMessagePrefix
+}
+
+// IsRemote returns true if the post originated on a remote cluster.
+func (o *Post) IsRemote() bool {
+	return o.RemoteId != nil && *o.RemoteId != ""
+}
+
+// GetRemoteID safely returns the remoteID or empty string if not remote.
+func (o *Post) GetRemoteID() string {
+	if o.RemoteId != nil {
+		return *o.RemoteId
+	}
+	return ""
+}
+
+func (o *Post) IsJoinLeaveMessage() bool {
+	return o.Type == PostTypeJoinLeave ||
+		o.Type == PostTypeAddRemove ||
+		o.Type == PostTypeJoinChannel ||
+		o.Type == PostTypeLeaveChannel ||
+		o.Type == PostTypeJoinTeam ||
+		o.Type == PostTypeLeaveTeam ||
+		o.Type == PostTypeAddToChannel ||
+		o.Type == PostTypeRemoveFromChannel ||
+		o.Type == PostTypeAddToTeam ||
+		o.Type == PostTypeRemoveFromTeam
+}
+
+func (o *Post) Patch(patch *PostPatch) {
+	if patch.IsPinned != nil {
+		o.IsPinned = *patch.IsPinned
+	}
+
+	if patch.Message != nil {
+		o.Message = *patch.Message
+	}
+
+	if patch.Props != nil {
+		newProps := *patch.Props
+		o.SetProps(newProps)
+	}
+
+	if patch.FileIds != nil {
+		o.FileIds = *patch.FileIds
+	}
+
+	if patch.HasReactions != nil {
+		o.HasReactions = *patch.HasReactions
+	}
+}
+
+func (o *Post) ChannelMentions() []string {
+	return ChannelMentions(o.Message)
+}
+
+// DisableMentionHighlights disables a posts mention highlighting and returns the first channel mention that was present in the message.
+func (o *Post) DisableMentionHighlights() string {
+	mention, hasMentions := findAtChannelMention(o.Message)
+	if hasMentions {
+		o.AddProp(PostPropsMentionHighlightDisabled, true)
+	}
+	return mention
+}
+
+// DisableMentionHighlights disables mention highlighting for a post patch if required.
+func (o *PostPatch) DisableMentionHighlights() {
+	if o.Message == nil {
+		return
+	}
+	if _, hasMentions := findAtChannelMention(*o.Message); hasMentions {
+		if o.Props == nil {
+			o.Props = &StringInterface{}
+		}
+		(*o.Props)[PostPropsMentionHighlightDisabled] = true
+	}
+}
+
+func findAtChannelMention(message string) (mention string, found bool) {
+	re := regexp.MustCompile(`(?i)\B@(channel|all|here)\b`)
+	matched := re.FindStringSubmatch(message)
+	if found = (len(matched) > 0); found {
+		mention = strings.ToLower(matched[0])
+	}
+	return
+}
+
+func (o *Post) Attachments() []*SlackAttachment {
+	if attachments, ok := o.GetProp("attachments").([]*SlackAttachment); ok {
+		return attachments
+	}
+	var ret []*SlackAttachment
+	if attachments, ok := o.GetProp("attachments").([]interface{}); ok {
+		for _, attachment := range attachments {
+			if enc, err := json.Marshal(attachment); err == nil {
+				var decoded SlackAttachment
+				if json.Unmarshal(enc, &decoded) == nil {
+					// Ignoring nil actions
+					i := 0
+					for _, action := range decoded.Actions {
+						if action != nil {
+							decoded.Actions[i] = action
+							i++
+						}
+					}
+					decoded.Actions = decoded.Actions[:i]
+
+					// Ignoring nil fields
+					i = 0
+					for _, field := range decoded.Fields {
+						if field != nil {
+							decoded.Fields[i] = field
+							i++
+						}
+					}
+					decoded.Fields = decoded.Fields[:i]
+					ret = append(ret, &decoded)
+				}
+			}
+		}
+	}
+	return ret
+}
+
+func (o *Post) AttachmentsEqual(input *Post) bool {
+	attachments := o.Attachments()
+	inputAttachments := input.Attachments()
+
+	if len(attachments) != len(inputAttachments) {
+		return false
+	}
+
+	for i := range attachments {
+		if !attachments[i].Equals(inputAttachments[i]) {
+			return false
+		}
+	}
+
+	return true
+}
+
+var markdownDestinationEscaper = strings.NewReplacer(
+	`\`, `\\`,
+	`<`, `\<`,
+	`>`, `\>`,
+	`(`, `\(`,
+	`)`, `\)`,
+)
+
+// WithRewrittenImageURLs returns a new shallow copy of the post where the message has been
+// rewritten via RewriteImageURLs.
+func (o *Post) WithRewrittenImageURLs(f func(string) string) *Post {
+	copy := o.Clone()
+	copy.Message = RewriteImageURLs(o.Message, f)
+	if copy.MessageSource == "" && copy.Message != o.Message {
+		copy.MessageSource = o.Message
+	}
+	return copy
+}
+
+// RewriteImageURLs takes a message and returns a copy that has all of the image URLs replaced
+// according to the function f. For each image URL, f will be invoked, and the resulting markdown
+// will contain the URL returned by that invocation instead.
+//
+// Image URLs are destination URLs used in inline images or reference definitions that are used
+// anywhere in the input markdown as an image.
+func RewriteImageURLs(message string, f func(string) string) string {
+	if !strings.Contains(message, "![") {
+		return message
+	}
+
+	var ranges []markdown.Range
+
+	markdown.Inspect(message, func(blockOrInline interface{}) bool {
+		switch v := blockOrInline.(type) {
+		case *markdown.ReferenceImage:
+			ranges = append(ranges, v.ReferenceDefinition.RawDestination)
+		case *markdown.InlineImage:
+			ranges = append(ranges, v.RawDestination)
+		default:
+			return true
+		}
+		return true
+	})
+
+	if ranges == nil {
+		return message
+	}
+
+	sort.Slice(ranges, func(i, j int) bool {
+		return ranges[i].Position < ranges[j].Position
+	})
+
+	copyRanges := make([]markdown.Range, 0, len(ranges))
+	urls := make([]string, 0, len(ranges))
+	resultLength := len(message)
+
+	start := 0
+	for i, r := range ranges {
+		switch {
+		case i == 0:
+		case r.Position != ranges[i-1].Position:
+			start = ranges[i-1].End
+		default:
+			continue
+		}
+		original := message[r.Position:r.End]
+		replacement := markdownDestinationEscaper.Replace(f(markdown.Unescape(original)))
+		resultLength += len(replacement) - len(original)
+		copyRanges = append(copyRanges, markdown.Range{Position: start, End: r.Position})
+		urls = append(urls, replacement)
+	}
+
+	result := make([]byte, resultLength)
+
+	offset := 0
+	for i, r := range copyRanges {
+		offset += copy(result[offset:], message[r.Position:r.End])
+		offset += copy(result[offset:], urls[i])
+	}
+	copy(result[offset:], message[ranges[len(ranges)-1].End:])
+
+	return string(result)
+}
+
+func (o *Post) IsFromOAuthBot() bool {
+	props := o.GetProps()
+	return props["from_webhook"] == "true" && props["override_username"] != ""
+}
+
+func (o *Post) ToNilIfInvalid() *Post {
+	if o.Id == "" {
+		return nil
+	}
+	return o
+}
+
+func (o *Post) RemovePreviewPost() {
+	if o.Metadata == nil || o.Metadata.Embeds == nil {
+		return
+	}
+	n := 0
+	for _, embed := range o.Metadata.Embeds {
+		if embed.Type != PostEmbedPermalink {
+			o.Metadata.Embeds[n] = embed
+			n++
+		}
+	}
+	o.Metadata.Embeds = o.Metadata.Embeds[:n]
+}
+
+func (o *Post) GetPreviewPost() *PreviewPost {
+	for _, embed := range o.Metadata.Embeds {
+		if embed.Type == PostEmbedPermalink {
+			if previewPost, ok := embed.Data.(*PreviewPost); ok {
+				return previewPost
+			}
+		}
+	}
+	return nil
+}
+
+func (o *Post) GetPreviewedPostProp() string {
+	if val, ok := o.GetProp(PostPropsPreviewedPost).(string); ok {
+		return val
+	}
+	return ""
+}

vendor/github.com/mattermost/mattermost-server/v6/model/post_embed.go

@@ -0,0 +1,24 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+const (
+	PostEmbedImage             PostEmbedType = "image"
+	PostEmbedMessageAttachment PostEmbedType = "message_attachment"
+	PostEmbedOpengraph         PostEmbedType = "opengraph"
+	PostEmbedLink              PostEmbedType = "link"
+	PostEmbedPermalink         PostEmbedType = "permalink"
+)
+
+type PostEmbedType string
+
+type PostEmbed struct {
+	Type PostEmbedType `json:"type"`
+
+	// The URL of the embedded content. Used for image and OpenGraph embeds.
+	URL string `json:"url,omitempty"`
+
+	// Any additional data for the embedded content. Only used for OpenGraph embeds.
+	Data interface{} `json:"data,omitempty"`
+}

vendor/github.com/mattermost/mattermost-server/v6/model/post_list.go

@@ -0,0 +1,177 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"sort"
+)
+
+type PostList struct {
+	Order      []string         `json:"order"`
+	Posts      map[string]*Post `json:"posts"`
+	NextPostId string           `json:"next_post_id"`
+	PrevPostId string           `json:"prev_post_id"`
+}
+
+func NewPostList() *PostList {
+	return &PostList{
+		Order:      make([]string, 0),
+		Posts:      make(map[string]*Post),
+		NextPostId: "",
+		PrevPostId: "",
+	}
+}
+
+func (o *PostList) Clone() *PostList {
+	orderCopy := make([]string, len(o.Order))
+	postsCopy := make(map[string]*Post)
+	for i, v := range o.Order {
+		orderCopy[i] = v
+	}
+	for k, v := range o.Posts {
+		postsCopy[k] = v.Clone()
+	}
+	return &PostList{
+		Order:      orderCopy,
+		Posts:      postsCopy,
+		NextPostId: o.NextPostId,
+		PrevPostId: o.PrevPostId,
+	}
+}
+
+func (o *PostList) ToSlice() []*Post {
+	var posts []*Post
+
+	if l := len(o.Posts); l > 0 {
+		posts = make([]*Post, 0, l)
+	}
+
+	for _, id := range o.Order {
+		posts = append(posts, o.Posts[id])
+	}
+	return posts
+}
+
+func (o *PostList) WithRewrittenImageURLs(f func(string) string) *PostList {
+	copy := *o
+	copy.Posts = make(map[string]*Post)
+	for id, post := range o.Posts {
+		copy.Posts[id] = post.WithRewrittenImageURLs(f)
+	}
+	return &copy
+}
+
+func (o *PostList) StripActionIntegrations() {
+	posts := o.Posts
+	o.Posts = make(map[string]*Post)
+	for id, post := range posts {
+		pcopy := post.Clone()
+		pcopy.StripActionIntegrations()
+		o.Posts[id] = pcopy
+	}
+}
+
+func (o *PostList) ToJSON() (string, error) {
+	copy := *o
+	copy.StripActionIntegrations()
+	b, err := json.Marshal(&copy)
+	return string(b), err
+}
+
+func (o *PostList) MakeNonNil() {
+	if o.Order == nil {
+		o.Order = make([]string, 0)
+	}
+
+	if o.Posts == nil {
+		o.Posts = make(map[string]*Post)
+	}
+
+	for _, v := range o.Posts {
+		v.MakeNonNil()
+	}
+}
+
+func (o *PostList) AddOrder(id string) {
+
+	if o.Order == nil {
+		o.Order = make([]string, 0, 128)
+	}
+
+	o.Order = append(o.Order, id)
+}
+
+func (o *PostList) AddPost(post *Post) {
+
+	if o.Posts == nil {
+		o.Posts = make(map[string]*Post)
+	}
+
+	o.Posts[post.Id] = post
+}
+
+func (o *PostList) UniqueOrder() {
+	keys := make(map[string]bool)
+	order := []string{}
+	for _, postId := range o.Order {
+		if _, value := keys[postId]; !value {
+			keys[postId] = true
+			order = append(order, postId)
+		}
+	}
+
+	o.Order = order
+}
+
+func (o *PostList) Extend(other *PostList) {
+	for postId := range other.Posts {
+		o.AddPost(other.Posts[postId])
+	}
+
+	for _, postId := range other.Order {
+		o.AddOrder(postId)
+	}
+
+	o.UniqueOrder()
+}
+
+func (o *PostList) SortByCreateAt() {
+	sort.Slice(o.Order, func(i, j int) bool {
+		return o.Posts[o.Order[i]].CreateAt > o.Posts[o.Order[j]].CreateAt
+	})
+}
+
+func (o *PostList) Etag() string {
+
+	id := "0"
+	var t int64 = 0
+
+	for _, v := range o.Posts {
+		if v.UpdateAt > t {
+			t = v.UpdateAt
+			id = v.Id
+		} else if v.UpdateAt == t && v.Id > id {
+			t = v.UpdateAt
+			id = v.Id
+		}
+	}
+
+	orderId := ""
+	if len(o.Order) > 0 {
+		orderId = o.Order[0]
+	}
+
+	return Etag(orderId, id, t)
+}
+
+func (o *PostList) IsChannelId(channelId string) bool {
+	for _, v := range o.Posts {
+		if v.ChannelId != channelId {
+			return false
+		}
+	}
+
+	return true
+}

vendor/github.com/mattermost/mattermost-server/v6/model/post_metadata.go

@@ -0,0 +1,64 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+type PostMetadata struct {
+	// Embeds holds information required to render content embedded in the post. This includes the OpenGraph metadata
+	// for links in the post.
+	Embeds []*PostEmbed `json:"embeds,omitempty"`
+
+	// Emojis holds all custom emojis used in the post or used in reaction to the post.
+	Emojis []*Emoji `json:"emojis,omitempty"`
+
+	// Files holds information about the file attachments on the post.
+	Files []*FileInfo `json:"files,omitempty"`
+
+	// Images holds the dimensions of all external images in the post as a map of the image URL to its diemsnions.
+	// This includes image embeds (when the message contains a plaintext link to an image), Markdown images, images
+	// contained in the OpenGraph metadata, and images contained in message attachments. It does not contain
+	// the dimensions of any file attachments as those are stored in FileInfos.
+	Images map[string]*PostImage `json:"images,omitempty"`
+
+	// Reactions holds reactions made to the post.
+	Reactions []*Reaction `json:"reactions,omitempty"`
+}
+
+type PostImage struct {
+	Width  int `json:"width"`
+	Height int `json:"height"`
+
+	// Format is the name of the image format as used by image/go such as "png", "gif", or "jpeg".
+	Format string `json:"format"`
+
+	// FrameCount stores the number of frames in this image, if it is an animated gif. It will be 0 for other formats.
+	FrameCount int `json:"frame_count"`
+}
+
+// Copy does a deep copy
+func (p *PostMetadata) Copy() *PostMetadata {
+	embedsCopy := make([]*PostEmbed, len(p.Embeds))
+	copy(embedsCopy, p.Embeds)
+
+	emojisCopy := make([]*Emoji, len(p.Emojis))
+	copy(emojisCopy, p.Emojis)
+
+	filesCopy := make([]*FileInfo, len(p.Files))
+	copy(filesCopy, p.Files)
+
+	imagesCopy := map[string]*PostImage{}
+	for k, v := range p.Images {
+		imagesCopy[k] = v
+	}
+
+	reactionsCopy := make([]*Reaction, len(p.Reactions))
+	copy(reactionsCopy, p.Reactions)
+
+	return &PostMetadata{
+		Embeds:    embedsCopy,
+		Emojis:    emojisCopy,
+		Files:     filesCopy,
+		Images:    imagesCopy,
+		Reactions: reactionsCopy,
+	}
+}

vendor/github.com/mattermost/mattermost-server/v6/model/post_search_results.go

@@ -0,0 +1,29 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+)
+
+type PostSearchMatches map[string][]string
+
+type PostSearchResults struct {
+	*PostList
+	Matches PostSearchMatches `json:"matches"`
+}
+
+func MakePostSearchResults(posts *PostList, matches PostSearchMatches) *PostSearchResults {
+	return &PostSearchResults{
+		posts,
+		matches,
+	}
+}
+
+func (o *PostSearchResults) ToJSON() (string, error) {
+	copy := *o
+	copy.PostList.StripActionIntegrations()
+	b, err := json.Marshal(&copy)
+	return string(b), err
+}

vendor/github.com/mattermost/mattermost-server/v6/model/preference.go

@@ -0,0 +1,122 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"net/http"
+	"regexp"
+	"strings"
+	"unicode/utf8"
+)
+
+const (
+	PreferenceCategoryDirectChannelShow = "direct_channel_show"
+	PreferenceCategoryGroupChannelShow  = "group_channel_show"
+	PreferenceCategoryTutorialSteps     = "tutorial_step"
+	PreferenceCategoryAdvancedSettings  = "advanced_settings"
+	PreferenceCategoryFlaggedPost       = "flagged_post"
+	PreferenceCategoryFavoriteChannel   = "favorite_channel"
+	PreferenceCategorySidebarSettings   = "sidebar_settings"
+
+	PreferenceCategoryDisplaySettings     = "display_settings"
+	PreferenceNameCollapsedThreadsEnabled = "collapsed_reply_threads"
+	PreferenceNameChannelDisplayMode      = "channel_display_mode"
+	PreferenceNameCollapseSetting         = "collapse_previews"
+	PreferenceNameMessageDisplay          = "message_display"
+	PreferenceNameNameFormat              = "name_format"
+	PreferenceNameUseMilitaryTime         = "use_military_time"
+	PreferenceRecommendedNextSteps        = "recommended_next_steps"
+
+	PreferenceCategoryTheme = "theme"
+	// the name for theme props is the team id
+
+	PreferenceCategoryAuthorizedOAuthApp = "oauth_app"
+	// the name for oauth_app is the client_id and value is the current scope
+
+	PreferenceCategoryLast    = "last"
+	PreferenceNameLastChannel = "channel"
+	PreferenceNameLastTeam    = "team"
+
+	PreferenceCategoryCustomStatus          = "custom_status"
+	PreferenceNameRecentCustomStatuses      = "recent_custom_statuses"
+	PreferenceNameCustomStatusTutorialState = "custom_status_tutorial_state"
+
+	PreferenceCustomStatusModalViewed = "custom_status_modal_viewed"
+
+	PreferenceCategoryNotifications = "notifications"
+	PreferenceNameEmailInterval     = "email_interval"
+
+	PreferenceEmailIntervalNoBatchingSeconds = "30"  // the "immediate" setting is actually 30s
+	PreferenceEmailIntervalBatchingSeconds   = "900" // fifteen minutes is 900 seconds
+	PreferenceEmailIntervalImmediately       = "immediately"
+	PreferenceEmailIntervalFifteen           = "fifteen"
+	PreferenceEmailIntervalFifteenAsSeconds  = "900"
+	PreferenceEmailIntervalHour              = "hour"
+	PreferenceEmailIntervalHourAsSeconds     = "3600"
+)
+
+type Preference struct {
+	UserId   string `json:"user_id"`
+	Category string `json:"category"`
+	Name     string `json:"name"`
+	Value    string `json:"value"`
+}
+
+type Preferences []Preference
+
+func (o *Preference) IsValid() *AppError {
+	if !IsValidId(o.UserId) {
+		return NewAppError("Preference.IsValid", "model.preference.is_valid.id.app_error", nil, "user_id="+o.UserId, http.StatusBadRequest)
+	}
+
+	if o.Category == "" || len(o.Category) > 32 {
+		return NewAppError("Preference.IsValid", "model.preference.is_valid.category.app_error", nil, "category="+o.Category, http.StatusBadRequest)
+	}
+
+	if len(o.Name) > 32 {
+		return NewAppError("Preference.IsValid", "model.preference.is_valid.name.app_error", nil, "name="+o.Name, http.StatusBadRequest)
+	}
+
+	if utf8.RuneCountInString(o.Value) > 2000 {
+		return NewAppError("Preference.IsValid", "model.preference.is_valid.value.app_error", nil, "value="+o.Value, http.StatusBadRequest)
+	}
+
+	if o.Category == PreferenceCategoryTheme {
+		var unused map[string]string
+		if err := json.NewDecoder(strings.NewReader(o.Value)).Decode(&unused); err != nil {
+			return NewAppError("Preference.IsValid", "model.preference.is_valid.theme.app_error", nil, "value="+o.Value, http.StatusBadRequest)
+		}
+	}
+
+	return nil
+}
+
+func (o *Preference) PreUpdate() {
+	if o.Category == PreferenceCategoryTheme {
+		// decode the value of theme (a map of strings to string) and eliminate any invalid values
+		var props map[string]string
+		if err := json.NewDecoder(strings.NewReader(o.Value)).Decode(&props); err != nil {
+			// just continue, the invalid preference value should get caught by IsValid before saving
+			return
+		}
+
+		colorPattern := regexp.MustCompile(`^#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?$`)
+
+		// blank out any invalid theme values
+		for name, value := range props {
+			if name == "image" || name == "type" || name == "codeTheme" {
+				continue
+			}
+
+			if !colorPattern.MatchString(value) {
+				props[name] = "#ffffff"
+			}
+		}
+
+		if b, err := json.Marshal(props); err == nil {
+			o.Value = string(b)
+		}
+	}
+}

vendor/github.com/mattermost/mattermost-server/v6/model/product_notices.go

@@ -0,0 +1,220 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"io"
+
+	"github.com/pkg/errors"
+)
+
+type ProductNotices []ProductNotice
+
+func (r *ProductNotices) Marshal() ([]byte, error) {
+	return json.Marshal(r)
+}
+
+func UnmarshalProductNotices(data []byte) (ProductNotices, error) {
+	var r ProductNotices
+	err := json.Unmarshal(data, &r)
+	return r, err
+}
+
+// List of product notices. Order is important and is used to resolve priorities.
+// Each notice will only be show if conditions are met.
+type ProductNotice struct {
+	Conditions        Conditions                       `json:"conditions"`
+	ID                string                           `json:"id"`                   // Unique identifier for this notice. Can be a running number. Used for storing 'viewed'; state on the server.
+	LocalizedMessages map[string]NoticeMessageInternal `json:"localizedMessages"`    // Notice message data, organized by locale.; Example:; "localizedMessages": {; "en": { "title": "English", description: "English description"},; "frFR": { "title": "Frances", description: "French description"}; }
+	Repeatable        *bool                            `json:"repeatable,omitempty"` // Configurable flag if the notice should reappear after it’s seen and dismissed
+}
+
+func (n *ProductNotice) SysAdminOnly() bool {
+	return n.Conditions.Audience != nil && *n.Conditions.Audience == NoticeAudienceSysadmin
+}
+
+func (n *ProductNotice) TeamAdminOnly() bool {
+	return n.Conditions.Audience != nil && *n.Conditions.Audience == NoticeAudienceTeamAdmin
+}
+
+type Conditions struct {
+	Audience              *NoticeAudience        `json:"audience,omitempty"`
+	ClientType            *NoticeClientType      `json:"clientType,omitempty"`     // Only show the notice on specific clients. Defaults to 'all'
+	DesktopVersion        []string               `json:"desktopVersion,omitempty"` // What desktop client versions does this notice apply to.; Format: semver ranges (https://devhints.io/semver); Example: [">=1.2.3 < ~2.4.x"]; Example: ["<v5.19", "v5.20-v5.22"]
+	DisplayDate           *string                `json:"displayDate,omitempty"`    // When to display the notice.; Examples:; "2020-03-01T00:00:00Z" - show on specified date; ">= 2020-03-01T00:00:00Z" - show after specified date; "< 2020-03-01T00:00:00Z" - show before the specified date; "> 2020-03-01T00:00:00Z <= 2020-04-01T00:00:00Z" - show only between the specified dates
+	InstanceType          *NoticeInstanceType    `json:"instanceType,omitempty"`
+	MobileVersion         []string               `json:"mobileVersion,omitempty"` // What mobile client versions does this notice apply to.; Format: semver ranges (https://devhints.io/semver); Example: [">=1.2.3 < ~2.4.x"]; Example: ["<v5.19", "v5.20-v5.22"]
+	NumberOfPosts         *int64                 `json:"numberOfPosts,omitempty"` // Only show the notice when server has more than specified number of posts
+	NumberOfUsers         *int64                 `json:"numberOfUsers,omitempty"` // Only show the notice when server has more than specified number of users
+	ServerConfig          map[string]interface{} `json:"serverConfig,omitempty"`  // Map of mattermost server config paths and their values. Notice will be displayed only if; the values match the target server config; Example: serverConfig: { "PluginSettings.Enable": true, "GuestAccountsSettings.Enable":; false }
+	ServerVersion         []string               `json:"serverVersion,omitempty"` // What server versions does this notice apply to.; Format: semver ranges (https://devhints.io/semver); Example: [">=1.2.3 < ~2.4.x"]; Example: ["<v5.19", "v5.20-v5.22"]
+	Sku                   *NoticeSKU             `json:"sku,omitempty"`
+	UserConfig            map[string]interface{} `json:"userConfig,omitempty"`             // Map of user's settings and their values. Notice will be displayed only if the values; match the viewing users' config; Example: userConfig: { "new_sidebar.disabled": true }
+	DeprecatingDependency *ExternalDependency    `json:"deprecating_dependency,omitempty"` // External dependency which is going to be deprecated
+}
+
+type NoticeMessageInternal struct {
+	Action      *NoticeAction `json:"action,omitempty"`      // Optional action to perform on action button click. (defaults to closing the notice)
+	ActionParam *string       `json:"actionParam,omitempty"` // Optional action parameter.; Example: {"action": "url", actionParam: "/console/some-page"}
+	ActionText  *string       `json:"actionText,omitempty"`  // Optional override for the action button text (defaults to OK)
+	Description string        `json:"description"`           // Notice content. Use {{Mattermost}} instead of plain text to support white-labeling. Text; supports Markdown.
+	Image       *string       `json:"image,omitempty"`
+	Title       string        `json:"title"` // Notice title. Use {{Mattermost}} instead of plain text to support white-labeling. Text; supports Markdown.
+}
+type NoticeMessages []NoticeMessage
+
+type NoticeMessage struct {
+	NoticeMessageInternal
+	ID            string `json:"id"`
+	SysAdminOnly  bool   `json:"sysAdminOnly"`
+	TeamAdminOnly bool   `json:"teamAdminOnly"`
+}
+
+func (r *NoticeMessages) Marshal() ([]byte, error) {
+	return json.Marshal(r)
+}
+
+func UnmarshalProductNoticeMessages(data io.Reader) (NoticeMessages, error) {
+	var r NoticeMessages
+	err := json.NewDecoder(data).Decode(&r)
+	return r, err
+}
+
+// User role, i.e. who will see the notice. Defaults to "all"
+type NoticeAudience string
+
+func NewNoticeAudience(s NoticeAudience) *NoticeAudience {
+	return &s
+}
+
+func (a *NoticeAudience) Matches(sysAdmin bool, teamAdmin bool) bool {
+	switch *a {
+	case NoticeAudienceAll:
+		return true
+	case NoticeAudienceMember:
+		return !sysAdmin && !teamAdmin
+	case NoticeAudienceSysadmin:
+		return sysAdmin
+	case NoticeAudienceTeamAdmin:
+		return teamAdmin
+	}
+	return false
+}
+
+const (
+	NoticeAudienceAll       NoticeAudience = "all"
+	NoticeAudienceMember    NoticeAudience = "member"
+	NoticeAudienceSysadmin  NoticeAudience = "sysadmin"
+	NoticeAudienceTeamAdmin NoticeAudience = "teamadmin"
+)
+
+// Only show the notice on specific clients. Defaults to 'all'
+//
+// Client type. Defaults to "all"
+type NoticeClientType string
+
+func NewNoticeClientType(s NoticeClientType) *NoticeClientType { return &s }
+
+func (c *NoticeClientType) Matches(other NoticeClientType) bool {
+	switch *c {
+	case NoticeClientTypeAll:
+		return true
+	case NoticeClientTypeMobile:
+		return other == NoticeClientTypeMobileIos || other == NoticeClientTypeMobileAndroid
+	default:
+		return *c == other
+	}
+}
+
+const (
+	NoticeClientTypeAll           NoticeClientType = "all"
+	NoticeClientTypeDesktop       NoticeClientType = "desktop"
+	NoticeClientTypeMobile        NoticeClientType = "mobile"
+	NoticeClientTypeMobileAndroid NoticeClientType = "mobile-android"
+	NoticeClientTypeMobileIos     NoticeClientType = "mobile-ios"
+	NoticeClientTypeWeb           NoticeClientType = "web"
+)
+
+func NoticeClientTypeFromString(s string) (NoticeClientType, error) {
+	switch s {
+	case "web":
+		return NoticeClientTypeWeb, nil
+	case "mobile-ios":
+		return NoticeClientTypeMobileIos, nil
+	case "mobile-android":
+		return NoticeClientTypeMobileAndroid, nil
+	case "desktop":
+		return NoticeClientTypeDesktop, nil
+	}
+	return NoticeClientTypeAll, errors.New("Invalid client type supplied")
+}
+
+// Instance type. Defaults to "both"
+type NoticeInstanceType string
+
+func NewNoticeInstanceType(n NoticeInstanceType) *NoticeInstanceType { return &n }
+func (t *NoticeInstanceType) Matches(isCloud bool) bool {
+	if *t == NoticeInstanceTypeBoth {
+		return true
+	}
+	if *t == NoticeInstanceTypeCloud && !isCloud {
+		return false
+	}
+	if *t == NoticeInstanceTypeOnPrem && isCloud {
+		return false
+	}
+	return true
+}
+
+const (
+	NoticeInstanceTypeBoth   NoticeInstanceType = "both"
+	NoticeInstanceTypeCloud  NoticeInstanceType = "cloud"
+	NoticeInstanceTypeOnPrem NoticeInstanceType = "onprem"
+)
+
+// SKU. Defaults to "all"
+type NoticeSKU string
+
+func NewNoticeSKU(s NoticeSKU) *NoticeSKU { return &s }
+func (c *NoticeSKU) Matches(s string) bool {
+	switch *c {
+	case NoticeSKUAll:
+		return true
+	case NoticeSKUE0, NoticeSKUTeam:
+		return s == ""
+	default:
+		return s == string(*c)
+	}
+}
+
+const (
+	NoticeSKUE0   NoticeSKU = "e0"
+	NoticeSKUE10  NoticeSKU = "e10"
+	NoticeSKUE20  NoticeSKU = "e20"
+	NoticeSKUAll  NoticeSKU = "all"
+	NoticeSKUTeam NoticeSKU = "team"
+)
+
+// Optional action to perform on action button click. (defaults to closing the notice)
+//
+// Possible actions to execute on button press
+type NoticeAction string
+
+const (
+	URL NoticeAction = "url"
+)
+
+// Definition of the table keeping the 'viewed' state of each in-product notice per user
+type ProductNoticeViewState struct {
+	UserId    string
+	NoticeId  string
+	Viewed    int32
+	Timestamp int64
+}
+
+type ExternalDependency struct {
+	Name           string `json:"name"`
+	MinimumVersion string `json:"minimum_version"`
+}

vendor/github.com/mattermost/mattermost-server/v6/model/push_notification.go

@@ -0,0 +1,82 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"strings"
+)
+
+const (
+	PushNotifyApple              = "apple"
+	PushNotifyAndroid            = "android"
+	PushNotifyAppleReactNative   = "apple_rn"
+	PushNotifyAndroidReactNative = "android_rn"
+
+	PushTypeMessage     = "message"
+	PushTypeClear       = "clear"
+	PushTypeUpdateBadge = "update_badge"
+	PushTypeSession     = "session"
+	PushMessageV2       = "v2"
+
+	PushSoundNone = "none"
+
+	// The category is set to handle a set of interactive Actions
+	// with the push notifications
+	CategoryCanReply = "CAN_REPLY"
+
+	MHPNS = "https://push.mattermost.com"
+
+	PushSendPrepare = "Prepared to send"
+	PushSendSuccess = "Successful"
+	PushNotSent     = "Not Sent due to preferences"
+	PushReceived    = "Received by device"
+)
+
+type PushNotificationAck struct {
+	Id               string `json:"id"`
+	ClientReceivedAt int64  `json:"received_at"`
+	ClientPlatform   string `json:"platform"`
+	NotificationType string `json:"type"`
+	PostId           string `json:"post_id,omitempty"`
+	IsIdLoaded       bool   `json:"is_id_loaded"`
+}
+
+type PushNotification struct {
+	AckId            string `json:"ack_id"`
+	Platform         string `json:"platform"`
+	ServerId         string `json:"server_id"`
+	DeviceId         string `json:"device_id"`
+	PostId           string `json:"post_id"`
+	Category         string `json:"category,omitempty"`
+	Sound            string `json:"sound,omitempty"`
+	Message          string `json:"message,omitempty"`
+	Badge            int    `json:"badge,omitempty"`
+	ContentAvailable int    `json:"cont_ava,omitempty"`
+	TeamId           string `json:"team_id,omitempty"`
+	ChannelId        string `json:"channel_id,omitempty"`
+	RootId           string `json:"root_id,omitempty"`
+	ChannelName      string `json:"channel_name,omitempty"`
+	Type             string `json:"type,omitempty"`
+	SenderId         string `json:"sender_id,omitempty"`
+	SenderName       string `json:"sender_name,omitempty"`
+	OverrideUsername string `json:"override_username,omitempty"`
+	OverrideIconURL  string `json:"override_icon_url,omitempty"`
+	FromWebhook      string `json:"from_webhook,omitempty"`
+	Version          string `json:"version,omitempty"`
+	IsIdLoaded       bool   `json:"is_id_loaded"`
+}
+
+func (pn *PushNotification) DeepCopy() *PushNotification {
+	copy := *pn
+	return &copy
+}
+
+func (pn *PushNotification) SetDeviceIdAndPlatform(deviceId string) {
+	index := strings.Index(deviceId, ":")
+
+	if index > -1 {
+		pn.Platform = deviceId[:index]
+		pn.DeviceId = deviceId[index+1:]
+	}
+}

vendor/github.com/mattermost/mattermost-server/v6/model/push_response.go

@@ -0,0 +1,33 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+const (
+	PushStatus         = "status"
+	PushStatusOk       = "OK"
+	PushStatusFail     = "FAIL"
+	PushStatusRemove   = "REMOVE"
+	PushStatusErrorMsg = "error"
+)
+
+type PushResponse map[string]string
+
+func NewOkPushResponse() PushResponse {
+	m := make(map[string]string)
+	m[PushStatus] = PushStatusOk
+	return m
+}
+
+func NewRemovePushResponse() PushResponse {
+	m := make(map[string]string)
+	m[PushStatus] = PushStatusRemove
+	return m
+}
+
+func NewErrorPushResponse(message string) PushResponse {
+	m := make(map[string]string)
+	m[PushStatus] = PushStatusFail
+	m[PushStatusErrorMsg] = message
+	return m
+}

vendor/github.com/mattermost/mattermost-server/v6/model/reaction.go

@@ -0,0 +1,65 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"net/http"
+	"regexp"
+)
+
+type Reaction struct {
+	UserId    string  `json:"user_id"`
+	PostId    string  `json:"post_id"`
+	EmojiName string  `json:"emoji_name"`
+	CreateAt  int64   `json:"create_at"`
+	UpdateAt  int64   `json:"update_at"`
+	DeleteAt  int64   `json:"delete_at"`
+	RemoteId  *string `json:"remote_id"`
+}
+
+func (o *Reaction) IsValid() *AppError {
+	if !IsValidId(o.UserId) {
+		return NewAppError("Reaction.IsValid", "model.reaction.is_valid.user_id.app_error", nil, "user_id="+o.UserId, http.StatusBadRequest)
+	}
+
+	if !IsValidId(o.PostId) {
+		return NewAppError("Reaction.IsValid", "model.reaction.is_valid.post_id.app_error", nil, "post_id="+o.PostId, http.StatusBadRequest)
+	}
+
+	validName := regexp.MustCompile(`^[a-zA-Z0-9\-\+_]+$`)
+
+	if o.EmojiName == "" || len(o.EmojiName) > EmojiNameMaxLength || !validName.MatchString(o.EmojiName) {
+		return NewAppError("Reaction.IsValid", "model.reaction.is_valid.emoji_name.app_error", nil, "emoji_name="+o.EmojiName, http.StatusBadRequest)
+	}
+
+	if o.CreateAt == 0 {
+		return NewAppError("Reaction.IsValid", "model.reaction.is_valid.create_at.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if o.UpdateAt == 0 {
+		return NewAppError("Reaction.IsValid", "model.reaction.is_valid.update_at.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	return nil
+}
+
+func (o *Reaction) PreSave() {
+	if o.CreateAt == 0 {
+		o.CreateAt = GetMillis()
+	}
+	o.UpdateAt = GetMillis()
+	o.DeleteAt = 0
+
+	if o.RemoteId == nil {
+		o.RemoteId = NewString("")
+	}
+}
+
+func (o *Reaction) PreUpdate() {
+	o.UpdateAt = GetMillis()
+
+	if o.RemoteId == nil {
+		o.RemoteId = NewString("")
+	}
+}

vendor/github.com/mattermost/mattermost-server/v6/model/remote_cluster.go

@@ -0,0 +1,302 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"crypto/aes"
+	"crypto/cipher"
+	"crypto/rand"
+	"encoding/json"
+	"errors"
+	"io"
+	"net/http"
+	"regexp"
+	"strings"
+
+	"golang.org/x/crypto/scrypt"
+)
+
+const (
+	RemoteOfflineAfterMillis = 1000 * 60 * 5 // 5 minutes
+	RemoteNameMinLength      = 1
+	RemoteNameMaxLength      = 64
+)
+
+var (
+	validRemoteNameChars = regexp.MustCompile(`^[a-zA-Z0-9\.\-\_]+$`)
+)
+
+type RemoteCluster struct {
+	RemoteId     string `json:"remote_id"`
+	RemoteTeamId string `json:"remote_team_id"`
+	Name         string `json:"name"`
+	DisplayName  string `json:"display_name"`
+	SiteURL      string `json:"site_url"`
+	CreateAt     int64  `json:"create_at"`
+	LastPingAt   int64  `json:"last_ping_at"`
+	Token        string `json:"token"`
+	RemoteToken  string `json:"remote_token"`
+	Topics       string `json:"topics"`
+	CreatorId    string `json:"creator_id"`
+}
+
+func (rc *RemoteCluster) PreSave() {
+	if rc.RemoteId == "" {
+		rc.RemoteId = NewId()
+	}
+
+	if rc.DisplayName == "" {
+		rc.DisplayName = rc.Name
+	}
+
+	rc.Name = SanitizeUnicode(rc.Name)
+	rc.DisplayName = SanitizeUnicode(rc.DisplayName)
+	rc.Name = NormalizeRemoteName(rc.Name)
+
+	if rc.Token == "" {
+		rc.Token = NewId()
+	}
+
+	if rc.CreateAt == 0 {
+		rc.CreateAt = GetMillis()
+	}
+	rc.fixTopics()
+}
+
+func (rc *RemoteCluster) IsValid() *AppError {
+	if !IsValidId(rc.RemoteId) {
+		return NewAppError("RemoteCluster.IsValid", "model.cluster.is_valid.id.app_error", nil, "id="+rc.RemoteId, http.StatusBadRequest)
+	}
+
+	if !IsValidRemoteName(rc.Name) {
+		return NewAppError("RemoteCluster.IsValid", "model.cluster.is_valid.name.app_error", nil, "name="+rc.Name, http.StatusBadRequest)
+	}
+
+	if rc.CreateAt == 0 {
+		return NewAppError("RemoteCluster.IsValid", "model.cluster.is_valid.create_at.app_error", nil, "create_at=0", http.StatusBadRequest)
+	}
+
+	if !IsValidId(rc.CreatorId) {
+		return NewAppError("RemoteCluster.IsValid", "model.cluster.is_valid.id.app_error", nil, "creator_id="+rc.CreatorId, http.StatusBadRequest)
+	}
+	return nil
+}
+
+func IsValidRemoteName(s string) bool {
+	if len(s) < RemoteNameMinLength || len(s) > RemoteNameMaxLength {
+		return false
+	}
+	return validRemoteNameChars.MatchString(s)
+}
+
+func (rc *RemoteCluster) PreUpdate() {
+	if rc.DisplayName == "" {
+		rc.DisplayName = rc.Name
+	}
+
+	rc.Name = SanitizeUnicode(rc.Name)
+	rc.DisplayName = SanitizeUnicode(rc.DisplayName)
+	rc.Name = NormalizeRemoteName(rc.Name)
+	rc.fixTopics()
+}
+
+func (rc *RemoteCluster) IsOnline() bool {
+	return rc.LastPingAt > GetMillis()-RemoteOfflineAfterMillis
+}
+
+// fixTopics ensures all topics are separated by one, and only one, space.
+func (rc *RemoteCluster) fixTopics() {
+	trimmed := strings.TrimSpace(rc.Topics)
+	if trimmed == "" || trimmed == "*" {
+		rc.Topics = trimmed
+		return
+	}
+
+	var sb strings.Builder
+	sb.WriteString(" ")
+
+	ss := strings.Split(rc.Topics, " ")
+	for _, c := range ss {
+		cc := strings.TrimSpace(c)
+		if cc != "" {
+			sb.WriteString(cc)
+			sb.WriteString(" ")
+		}
+	}
+	rc.Topics = sb.String()
+}
+
+func (rc *RemoteCluster) ToRemoteClusterInfo() RemoteClusterInfo {
+	return RemoteClusterInfo{
+		Name:        rc.Name,
+		DisplayName: rc.DisplayName,
+		CreateAt:    rc.CreateAt,
+		LastPingAt:  rc.LastPingAt,
+	}
+}
+
+func NormalizeRemoteName(name string) string {
+	return strings.ToLower(name)
+}
+
+// RemoteClusterInfo provides a subset of RemoteCluster fields suitable for sending to clients.
+type RemoteClusterInfo struct {
+	Name        string `json:"name"`
+	DisplayName string `json:"display_name"`
+	CreateAt    int64  `json:"create_at"`
+	LastPingAt  int64  `json:"last_ping_at"`
+}
+
+// RemoteClusterFrame wraps a `RemoteClusterMsg` with credentials specific to a remote cluster.
+type RemoteClusterFrame struct {
+	RemoteId string           `json:"remote_id"`
+	Msg      RemoteClusterMsg `json:"msg"`
+}
+
+func (f *RemoteClusterFrame) IsValid() *AppError {
+	if !IsValidId(f.RemoteId) {
+		return NewAppError("RemoteClusterFrame.IsValid", "api.remote_cluster.invalid_id.app_error", nil, "RemoteId="+f.RemoteId, http.StatusBadRequest)
+	}
+
+	if err := f.Msg.IsValid(); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+// RemoteClusterMsg represents a message that is sent and received between clusters.
+// These are processed and routed via the RemoteClusters service.
+type RemoteClusterMsg struct {
+	Id       string          `json:"id"`
+	Topic    string          `json:"topic"`
+	CreateAt int64           `json:"create_at"`
+	Payload  json.RawMessage `json:"payload"`
+}
+
+func NewRemoteClusterMsg(topic string, payload json.RawMessage) RemoteClusterMsg {
+	return RemoteClusterMsg{
+		Id:       NewId(),
+		Topic:    topic,
+		CreateAt: GetMillis(),
+		Payload:  payload,
+	}
+}
+
+func (m RemoteClusterMsg) IsValid() *AppError {
+	if !IsValidId(m.Id) {
+		return NewAppError("RemoteClusterMsg.IsValid", "api.remote_cluster.invalid_id.app_error", nil, "Id="+m.Id, http.StatusBadRequest)
+	}
+
+	if m.Topic == "" {
+		return NewAppError("RemoteClusterMsg.IsValid", "api.remote_cluster.invalid_topic.app_error", nil, "Topic empty", http.StatusBadRequest)
+	}
+
+	if len(m.Payload) == 0 {
+		return NewAppError("RemoteClusterMsg.IsValid", "api.context.invalid_body_param.app_error", map[string]interface{}{"Name": "PayLoad"}, "", http.StatusBadRequest)
+	}
+
+	return nil
+}
+
+// RemoteClusterPing represents a ping that is sent and received between clusters
+// to indicate a connection is alive. This is the payload for a `RemoteClusterMsg`.
+type RemoteClusterPing struct {
+	SentAt int64 `json:"sent_at"`
+	RecvAt int64 `json:"recv_at"`
+}
+
+// RemoteClusterInvite represents an invitation to establish a simple trust with a remote cluster.
+type RemoteClusterInvite struct {
+	RemoteId     string `json:"remote_id"`
+	RemoteTeamId string `json:"remote_team_id"`
+	SiteURL      string `json:"site_url"`
+	Token        string `json:"token"`
+}
+
+func (rci *RemoteClusterInvite) Encrypt(password string) ([]byte, error) {
+	raw, err := json.Marshal(&rci)
+	if err != nil {
+		return nil, err
+	}
+
+	// create random salt to be prepended to the blob.
+	salt := make([]byte, 16)
+	if _, err = io.ReadFull(rand.Reader, salt); err != nil {
+		return nil, err
+	}
+
+	key, err := scrypt.Key([]byte(password), salt, 32768, 8, 1, 32)
+	if err != nil {
+		return nil, err
+	}
+
+	block, err := aes.NewCipher(key[:])
+	if err != nil {
+		return nil, err
+	}
+
+	gcm, err := cipher.NewGCM(block)
+	if err != nil {
+		return nil, err
+	}
+
+	// create random nonce
+	nonce := make([]byte, gcm.NonceSize())
+	if _, err = io.ReadFull(rand.Reader, nonce); err != nil {
+		return nil, err
+	}
+
+	// prefix the nonce to the cyphertext so we don't need to keep track of it.
+	sealed := gcm.Seal(nonce, nonce, raw, nil)
+
+	return append(salt, sealed...), nil
+}
+
+func (rci *RemoteClusterInvite) Decrypt(encrypted []byte, password string) error {
+	if len(encrypted) <= 16 {
+		return errors.New("invalid length")
+	}
+
+	// first 16 bytes is the salt that was used to derive a key
+	salt := encrypted[:16]
+	encrypted = encrypted[16:]
+
+	key, err := scrypt.Key([]byte(password), salt, 32768, 8, 1, 32)
+	if err != nil {
+		return err
+	}
+
+	block, err := aes.NewCipher(key[:])
+	if err != nil {
+		return err
+	}
+
+	gcm, err := cipher.NewGCM(block)
+	if err != nil {
+		return err
+	}
+
+	// nonce was prefixed to the cyphertext when encrypting so we need to extract it.
+	nonceSize := gcm.NonceSize()
+	nonce, cyphertext := encrypted[:nonceSize], encrypted[nonceSize:]
+
+	plain, err := gcm.Open(nil, nonce, cyphertext, nil)
+	if err != nil {
+		return err
+	}
+
+	// try to unmarshall the decrypted JSON to this invite struct.
+	return json.Unmarshal(plain, &rci)
+}
+
+// RemoteClusterQueryFilter provides filter criteria for RemoteClusterStore.GetAll
+type RemoteClusterQueryFilter struct {
+	ExcludeOffline bool
+	InChannel      string
+	NotInChannel   string
+	Topic          string
+	CreatorId      string
+	OnlyConfirmed  bool
+}

vendor/github.com/mattermost/mattermost-server/v6/model/role.go

@@ -0,0 +1,939 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"strings"
+)
+
+// SysconsoleAncillaryPermissions maps the non-sysconsole permissions required by each sysconsole view.
+var SysconsoleAncillaryPermissions map[string][]*Permission
+var SystemManagerDefaultPermissions []string
+var SystemUserManagerDefaultPermissions []string
+var SystemReadOnlyAdminDefaultPermissions []string
+
+var BuiltInSchemeManagedRoleIDs []string
+
+var NewSystemRoleIDs []string
+
+func init() {
+	NewSystemRoleIDs = []string{
+		SystemUserManagerRoleId,
+		SystemReadOnlyAdminRoleId,
+		SystemManagerRoleId,
+	}
+
+	BuiltInSchemeManagedRoleIDs = append([]string{
+		SystemGuestRoleId,
+		SystemUserRoleId,
+		SystemAdminRoleId,
+		SystemPostAllRoleId,
+		SystemPostAllPublicRoleId,
+		SystemUserAccessTokenRoleId,
+
+		TeamGuestRoleId,
+		TeamUserRoleId,
+		TeamAdminRoleId,
+		TeamPostAllRoleId,
+		TeamPostAllPublicRoleId,
+
+		ChannelGuestRoleId,
+		ChannelUserRoleId,
+		ChannelAdminRoleId,
+	}, NewSystemRoleIDs...)
+
+	// When updating the values here, the values in mattermost-redux must also be updated.
+	SysconsoleAncillaryPermissions = map[string][]*Permission{
+		PermissionSysconsoleReadAboutEditionAndLicense.Id: {
+			PermissionReadLicenseInformation,
+		},
+		PermissionSysconsoleWriteAboutEditionAndLicense.Id: {
+			PermissionManageLicenseInformation,
+		},
+		PermissionSysconsoleReadUserManagementChannels.Id: {
+			PermissionReadPublicChannel,
+			PermissionReadChannel,
+			PermissionReadPublicChannelGroups,
+			PermissionReadPrivateChannelGroups,
+		},
+		PermissionSysconsoleReadUserManagementUsers.Id: {
+			PermissionReadOtherUsersTeams,
+			PermissionGetAnalytics,
+		},
+		PermissionSysconsoleReadUserManagementTeams.Id: {
+			PermissionListPrivateTeams,
+			PermissionListPublicTeams,
+			PermissionViewTeam,
+		},
+		PermissionSysconsoleReadEnvironmentElasticsearch.Id: {
+			PermissionReadElasticsearchPostIndexingJob,
+			PermissionReadElasticsearchPostAggregationJob,
+		},
+		PermissionSysconsoleWriteEnvironmentWebServer.Id: {
+			PermissionTestSiteURL,
+			PermissionReloadConfig,
+			PermissionInvalidateCaches,
+		},
+		PermissionSysconsoleWriteEnvironmentDatabase.Id: {
+			PermissionRecycleDatabaseConnections,
+		},
+		PermissionSysconsoleWriteEnvironmentElasticsearch.Id: {
+			PermissionTestElasticsearch,
+			PermissionCreateElasticsearchPostIndexingJob,
+			PermissionCreateElasticsearchPostAggregationJob,
+			PermissionPurgeElasticsearchIndexes,
+		},
+		PermissionSysconsoleWriteEnvironmentFileStorage.Id: {
+			PermissionTestS3,
+		},
+		PermissionSysconsoleWriteEnvironmentSMTP.Id: {
+			PermissionTestEmail,
+		},
+		PermissionSysconsoleReadReportingServerLogs.Id: {
+			PermissionGetLogs,
+		},
+		PermissionSysconsoleReadReportingSiteStatistics.Id: {
+			PermissionGetAnalytics,
+		},
+		PermissionSysconsoleReadReportingTeamStatistics.Id: {
+			PermissionViewTeam,
+		},
+		PermissionSysconsoleWriteUserManagementUsers.Id: {
+			PermissionEditOtherUsers,
+			PermissionDemoteToGuest,
+			PermissionPromoteGuest,
+		},
+		PermissionSysconsoleWriteUserManagementChannels.Id: {
+			PermissionManageTeam,
+			PermissionManagePublicChannelProperties,
+			PermissionManagePrivateChannelProperties,
+			PermissionManagePrivateChannelMembers,
+			PermissionManagePublicChannelMembers,
+			PermissionDeletePrivateChannel,
+			PermissionDeletePublicChannel,
+			PermissionManageChannelRoles,
+			PermissionConvertPublicChannelToPrivate,
+			PermissionConvertPrivateChannelToPublic,
+		},
+		PermissionSysconsoleWriteUserManagementTeams.Id: {
+			PermissionManageTeam,
+			PermissionManageTeamRoles,
+			PermissionRemoveUserFromTeam,
+			PermissionJoinPrivateTeams,
+			PermissionJoinPublicTeams,
+			PermissionAddUserToTeam,
+		},
+		PermissionSysconsoleWriteUserManagementGroups.Id: {
+			PermissionManageTeam,
+			PermissionManagePrivateChannelMembers,
+			PermissionManagePublicChannelMembers,
+			PermissionConvertPublicChannelToPrivate,
+			PermissionConvertPrivateChannelToPublic,
+		},
+		PermissionSysconsoleWriteSiteCustomization.Id: {
+			PermissionEditBrand,
+		},
+		PermissionSysconsoleWriteComplianceDataRetentionPolicy.Id: {
+			PermissionCreateDataRetentionJob,
+		},
+		PermissionSysconsoleReadComplianceDataRetentionPolicy.Id: {
+			PermissionReadDataRetentionJob,
+		},
+		PermissionSysconsoleWriteComplianceComplianceExport.Id: {
+			PermissionCreateComplianceExportJob,
+			PermissionDownloadComplianceExportResult,
+		},
+		PermissionSysconsoleReadComplianceComplianceExport.Id: {
+			PermissionReadComplianceExportJob,
+			PermissionDownloadComplianceExportResult,
+		},
+		PermissionSysconsoleReadComplianceCustomTermsOfService.Id: {
+			PermissionReadAudits,
+		},
+		PermissionSysconsoleWriteExperimentalBleve.Id: {
+			PermissionCreatePostBleveIndexesJob,
+			PermissionPurgeBleveIndexes,
+		},
+		PermissionSysconsoleWriteAuthenticationLdap.Id: {
+			PermissionCreateLdapSyncJob,
+			PermissionAddLdapPublicCert,
+			PermissionRemoveLdapPublicCert,
+			PermissionAddLdapPrivateCert,
+			PermissionRemoveLdapPrivateCert,
+		},
+		PermissionSysconsoleReadAuthenticationLdap.Id: {
+			PermissionTestLdap,
+			PermissionReadLdapSyncJob,
+		},
+		PermissionSysconsoleWriteAuthenticationEmail.Id: {
+			PermissionInvalidateEmailInvite,
+		},
+		PermissionSysconsoleWriteAuthenticationSaml.Id: {
+			PermissionGetSamlMetadataFromIdp,
+			PermissionAddSamlPublicCert,
+			PermissionAddSamlPrivateCert,
+			PermissionAddSamlIdpCert,
+			PermissionRemoveSamlPublicCert,
+			PermissionRemoveSamlPrivateCert,
+			PermissionRemoveSamlIdpCert,
+			PermissionGetSamlCertStatus,
+		},
+	}
+
+	SystemUserManagerDefaultPermissions = []string{
+		PermissionSysconsoleReadUserManagementGroups.Id,
+		PermissionSysconsoleReadUserManagementTeams.Id,
+		PermissionSysconsoleReadUserManagementChannels.Id,
+		PermissionSysconsoleReadUserManagementPermissions.Id,
+		PermissionSysconsoleWriteUserManagementGroups.Id,
+		PermissionSysconsoleWriteUserManagementTeams.Id,
+		PermissionSysconsoleWriteUserManagementChannels.Id,
+		PermissionSysconsoleReadAuthenticationSignup.Id,
+		PermissionSysconsoleReadAuthenticationEmail.Id,
+		PermissionSysconsoleReadAuthenticationPassword.Id,
+		PermissionSysconsoleReadAuthenticationMfa.Id,
+		PermissionSysconsoleReadAuthenticationLdap.Id,
+		PermissionSysconsoleReadAuthenticationSaml.Id,
+		PermissionSysconsoleReadAuthenticationOpenid.Id,
+		PermissionSysconsoleReadAuthenticationGuestAccess.Id,
+	}
+
+	SystemReadOnlyAdminDefaultPermissions = []string{
+		PermissionSysconsoleReadAboutEditionAndLicense.Id,
+		PermissionSysconsoleReadReportingSiteStatistics.Id,
+		PermissionSysconsoleReadReportingTeamStatistics.Id,
+		PermissionSysconsoleReadReportingServerLogs.Id,
+		PermissionSysconsoleReadUserManagementUsers.Id,
+		PermissionSysconsoleReadUserManagementGroups.Id,
+		PermissionSysconsoleReadUserManagementTeams.Id,
+		PermissionSysconsoleReadUserManagementChannels.Id,
+		PermissionSysconsoleReadUserManagementPermissions.Id,
+		PermissionSysconsoleReadEnvironmentWebServer.Id,
+		PermissionSysconsoleReadEnvironmentDatabase.Id,
+		PermissionSysconsoleReadEnvironmentElasticsearch.Id,
+		PermissionSysconsoleReadEnvironmentFileStorage.Id,
+		PermissionSysconsoleReadEnvironmentImageProxy.Id,
+		PermissionSysconsoleReadEnvironmentSMTP.Id,
+		PermissionSysconsoleReadEnvironmentPushNotificationServer.Id,
+		PermissionSysconsoleReadEnvironmentHighAvailability.Id,
+		PermissionSysconsoleReadEnvironmentRateLimiting.Id,
+		PermissionSysconsoleReadEnvironmentLogging.Id,
+		PermissionSysconsoleReadEnvironmentSessionLengths.Id,
+		PermissionSysconsoleReadEnvironmentPerformanceMonitoring.Id,
+		PermissionSysconsoleReadEnvironmentDeveloper.Id,
+		PermissionSysconsoleReadSiteCustomization.Id,
+		PermissionSysconsoleReadSiteLocalization.Id,
+		PermissionSysconsoleReadSiteUsersAndTeams.Id,
+		PermissionSysconsoleReadSiteNotifications.Id,
+		PermissionSysconsoleReadSiteAnnouncementBanner.Id,
+		PermissionSysconsoleReadSiteEmoji.Id,
+		PermissionSysconsoleReadSitePosts.Id,
+		PermissionSysconsoleReadSiteFileSharingAndDownloads.Id,
+		PermissionSysconsoleReadSitePublicLinks.Id,
+		PermissionSysconsoleReadSiteNotices.Id,
+		PermissionSysconsoleReadAuthenticationSignup.Id,
+		PermissionSysconsoleReadAuthenticationEmail.Id,
+		PermissionSysconsoleReadAuthenticationPassword.Id,
+		PermissionSysconsoleReadAuthenticationMfa.Id,
+		PermissionSysconsoleReadAuthenticationLdap.Id,
+		PermissionSysconsoleReadAuthenticationSaml.Id,
+		PermissionSysconsoleReadAuthenticationOpenid.Id,
+		PermissionSysconsoleReadAuthenticationGuestAccess.Id,
+		PermissionSysconsoleReadPlugins.Id,
+		PermissionSysconsoleReadIntegrationsIntegrationManagement.Id,
+		PermissionSysconsoleReadIntegrationsBotAccounts.Id,
+		PermissionSysconsoleReadIntegrationsGif.Id,
+		PermissionSysconsoleReadIntegrationsCors.Id,
+		PermissionSysconsoleReadComplianceDataRetentionPolicy.Id,
+		PermissionSysconsoleReadComplianceComplianceExport.Id,
+		PermissionSysconsoleReadComplianceComplianceMonitoring.Id,
+		PermissionSysconsoleReadComplianceCustomTermsOfService.Id,
+		PermissionSysconsoleReadExperimentalFeatures.Id,
+		PermissionSysconsoleReadExperimentalFeatureFlags.Id,
+		PermissionSysconsoleReadExperimentalBleve.Id,
+	}
+
+	SystemManagerDefaultPermissions = []string{
+		PermissionSysconsoleReadAboutEditionAndLicense.Id,
+		PermissionSysconsoleReadReportingSiteStatistics.Id,
+		PermissionSysconsoleReadReportingTeamStatistics.Id,
+		PermissionSysconsoleReadReportingServerLogs.Id,
+		PermissionSysconsoleReadUserManagementGroups.Id,
+		PermissionSysconsoleReadUserManagementTeams.Id,
+		PermissionSysconsoleReadUserManagementChannels.Id,
+		PermissionSysconsoleReadUserManagementPermissions.Id,
+		PermissionSysconsoleWriteUserManagementGroups.Id,
+		PermissionSysconsoleWriteUserManagementTeams.Id,
+		PermissionSysconsoleWriteUserManagementChannels.Id,
+		PermissionSysconsoleWriteUserManagementPermissions.Id,
+		PermissionSysconsoleReadEnvironmentWebServer.Id,
+		PermissionSysconsoleReadEnvironmentDatabase.Id,
+		PermissionSysconsoleReadEnvironmentElasticsearch.Id,
+		PermissionSysconsoleReadEnvironmentFileStorage.Id,
+		PermissionSysconsoleReadEnvironmentImageProxy.Id,
+		PermissionSysconsoleReadEnvironmentSMTP.Id,
+		PermissionSysconsoleReadEnvironmentPushNotificationServer.Id,
+		PermissionSysconsoleReadEnvironmentHighAvailability.Id,
+		PermissionSysconsoleReadEnvironmentRateLimiting.Id,
+		PermissionSysconsoleReadEnvironmentLogging.Id,
+		PermissionSysconsoleReadEnvironmentSessionLengths.Id,
+		PermissionSysconsoleReadEnvironmentPerformanceMonitoring.Id,
+		PermissionSysconsoleReadEnvironmentDeveloper.Id,
+		PermissionSysconsoleWriteEnvironmentWebServer.Id,
+		PermissionSysconsoleWriteEnvironmentDatabase.Id,
+		PermissionSysconsoleWriteEnvironmentElasticsearch.Id,
+		PermissionSysconsoleWriteEnvironmentFileStorage.Id,
+		PermissionSysconsoleWriteEnvironmentImageProxy.Id,
+		PermissionSysconsoleWriteEnvironmentSMTP.Id,
+		PermissionSysconsoleWriteEnvironmentPushNotificationServer.Id,
+		PermissionSysconsoleWriteEnvironmentHighAvailability.Id,
+		PermissionSysconsoleWriteEnvironmentRateLimiting.Id,
+		PermissionSysconsoleWriteEnvironmentLogging.Id,
+		PermissionSysconsoleWriteEnvironmentSessionLengths.Id,
+		PermissionSysconsoleWriteEnvironmentPerformanceMonitoring.Id,
+		PermissionSysconsoleWriteEnvironmentDeveloper.Id,
+		PermissionSysconsoleReadSiteCustomization.Id,
+		PermissionSysconsoleWriteSiteCustomization.Id,
+		PermissionSysconsoleReadSiteLocalization.Id,
+		PermissionSysconsoleWriteSiteLocalization.Id,
+		PermissionSysconsoleReadSiteUsersAndTeams.Id,
+		PermissionSysconsoleWriteSiteUsersAndTeams.Id,
+		PermissionSysconsoleReadSiteNotifications.Id,
+		PermissionSysconsoleWriteSiteNotifications.Id,
+		PermissionSysconsoleReadSiteAnnouncementBanner.Id,
+		PermissionSysconsoleWriteSiteAnnouncementBanner.Id,
+		PermissionSysconsoleReadSiteEmoji.Id,
+		PermissionSysconsoleWriteSiteEmoji.Id,
+		PermissionSysconsoleReadSitePosts.Id,
+		PermissionSysconsoleWriteSitePosts.Id,
+		PermissionSysconsoleReadSiteFileSharingAndDownloads.Id,
+		PermissionSysconsoleWriteSiteFileSharingAndDownloads.Id,
+		PermissionSysconsoleReadSitePublicLinks.Id,
+		PermissionSysconsoleWriteSitePublicLinks.Id,
+		PermissionSysconsoleReadSiteNotices.Id,
+		PermissionSysconsoleWriteSiteNotices.Id,
+		PermissionSysconsoleReadAuthenticationSignup.Id,
+		PermissionSysconsoleReadAuthenticationEmail.Id,
+		PermissionSysconsoleReadAuthenticationPassword.Id,
+		PermissionSysconsoleReadAuthenticationMfa.Id,
+		PermissionSysconsoleReadAuthenticationLdap.Id,
+		PermissionSysconsoleReadAuthenticationSaml.Id,
+		PermissionSysconsoleReadAuthenticationOpenid.Id,
+		PermissionSysconsoleReadAuthenticationGuestAccess.Id,
+		PermissionSysconsoleReadPlugins.Id,
+		PermissionSysconsoleReadIntegrationsIntegrationManagement.Id,
+		PermissionSysconsoleReadIntegrationsBotAccounts.Id,
+		PermissionSysconsoleReadIntegrationsGif.Id,
+		PermissionSysconsoleReadIntegrationsCors.Id,
+		PermissionSysconsoleWriteIntegrationsIntegrationManagement.Id,
+		PermissionSysconsoleWriteIntegrationsBotAccounts.Id,
+		PermissionSysconsoleWriteIntegrationsGif.Id,
+		PermissionSysconsoleWriteIntegrationsCors.Id,
+	}
+
+	// Add the ancillary permissions to each system role
+	SystemUserManagerDefaultPermissions = AddAncillaryPermissions(SystemUserManagerDefaultPermissions)
+	SystemReadOnlyAdminDefaultPermissions = AddAncillaryPermissions(SystemReadOnlyAdminDefaultPermissions)
+	SystemManagerDefaultPermissions = AddAncillaryPermissions(SystemManagerDefaultPermissions)
+}
+
+type RoleType string
+type RoleScope string
+
+const (
+	SystemGuestRoleId           = "system_guest"
+	SystemUserRoleId            = "system_user"
+	SystemAdminRoleId           = "system_admin"
+	SystemPostAllRoleId         = "system_post_all"
+	SystemPostAllPublicRoleId   = "system_post_all_public"
+	SystemUserAccessTokenRoleId = "system_user_access_token"
+	SystemUserManagerRoleId     = "system_user_manager"
+	SystemReadOnlyAdminRoleId   = "system_read_only_admin"
+	SystemManagerRoleId         = "system_manager"
+
+	TeamGuestRoleId         = "team_guest"
+	TeamUserRoleId          = "team_user"
+	TeamAdminRoleId         = "team_admin"
+	TeamPostAllRoleId       = "team_post_all"
+	TeamPostAllPublicRoleId = "team_post_all_public"
+
+	ChannelGuestRoleId = "channel_guest"
+	ChannelUserRoleId  = "channel_user"
+	ChannelAdminRoleId = "channel_admin"
+
+	RoleNameMaxLength        = 64
+	RoleDisplayNameMaxLength = 128
+	RoleDescriptionMaxLength = 1024
+
+	RoleScopeSystem  RoleScope = "System"
+	RoleScopeTeam    RoleScope = "Team"
+	RoleScopeChannel RoleScope = "Channel"
+
+	RoleTypeGuest RoleType = "Guest"
+	RoleTypeUser  RoleType = "User"
+	RoleTypeAdmin RoleType = "Admin"
+)
+
+type Role struct {
+	Id            string   `json:"id"`
+	Name          string   `json:"name"`
+	DisplayName   string   `json:"display_name"`
+	Description   string   `json:"description"`
+	CreateAt      int64    `json:"create_at"`
+	UpdateAt      int64    `json:"update_at"`
+	DeleteAt      int64    `json:"delete_at"`
+	Permissions   []string `json:"permissions"`
+	SchemeManaged bool     `json:"scheme_managed"`
+	BuiltIn       bool     `json:"built_in"`
+}
+
+type RolePatch struct {
+	Permissions *[]string `json:"permissions"`
+}
+
+type RolePermissions struct {
+	RoleID      string
+	Permissions []string
+}
+
+func (r *Role) Patch(patch *RolePatch) {
+	if patch.Permissions != nil {
+		r.Permissions = *patch.Permissions
+	}
+}
+
+// MergeChannelHigherScopedPermissions is meant to be invoked on a channel scheme's role and merges the higher-scoped
+// channel role's permissions.
+func (r *Role) MergeChannelHigherScopedPermissions(higherScopedPermissions *RolePermissions) {
+	mergedPermissions := []string{}
+
+	higherScopedPermissionsMap := asStringBoolMap(higherScopedPermissions.Permissions)
+	rolePermissionsMap := asStringBoolMap(r.Permissions)
+
+	for _, cp := range AllPermissions {
+		if cp.Scope != PermissionScopeChannel {
+			continue
+		}
+
+		_, presentOnHigherScope := higherScopedPermissionsMap[cp.Id]
+
+		// For the channel admin role always look to the higher scope to determine if the role has their permission.
+		// The channel admin is a special case because they're not part of the UI to be "channel moderated", only
+		// channel members and channel guests are.
+		if higherScopedPermissions.RoleID == ChannelAdminRoleId && presentOnHigherScope {
+			mergedPermissions = append(mergedPermissions, cp.Id)
+			continue
+		}
+
+		_, permissionIsModerated := ChannelModeratedPermissionsMap[cp.Id]
+		if permissionIsModerated {
+			_, presentOnRole := rolePermissionsMap[cp.Id]
+			if presentOnRole && presentOnHigherScope {
+				mergedPermissions = append(mergedPermissions, cp.Id)
+			}
+		} else {
+			if presentOnHigherScope {
+				mergedPermissions = append(mergedPermissions, cp.Id)
+			}
+		}
+	}
+
+	r.Permissions = mergedPermissions
+}
+
+// Returns an array of permissions that are in either role.Permissions
+// or patch.Permissions, but not both.
+func PermissionsChangedByPatch(role *Role, patch *RolePatch) []string {
+	var result []string
+
+	if patch.Permissions == nil {
+		return result
+	}
+
+	roleMap := make(map[string]bool)
+	patchMap := make(map[string]bool)
+
+	for _, permission := range role.Permissions {
+		roleMap[permission] = true
+	}
+
+	for _, permission := range *patch.Permissions {
+		patchMap[permission] = true
+	}
+
+	for _, permission := range role.Permissions {
+		if !patchMap[permission] {
+			result = append(result, permission)
+		}
+	}
+
+	for _, permission := range *patch.Permissions {
+		if !roleMap[permission] {
+			result = append(result, permission)
+		}
+	}
+
+	return result
+}
+
+func ChannelModeratedPermissionsChangedByPatch(role *Role, patch *RolePatch) []string {
+	var result []string
+
+	if role == nil {
+		return result
+	}
+
+	if patch.Permissions == nil {
+		return result
+	}
+
+	roleMap := make(map[string]bool)
+	patchMap := make(map[string]bool)
+
+	for _, permission := range role.Permissions {
+		if channelModeratedPermissionName, found := ChannelModeratedPermissionsMap[permission]; found {
+			roleMap[channelModeratedPermissionName] = true
+		}
+	}
+
+	for _, permission := range *patch.Permissions {
+		if channelModeratedPermissionName, found := ChannelModeratedPermissionsMap[permission]; found {
+			patchMap[channelModeratedPermissionName] = true
+		}
+	}
+
+	for permissionKey := range roleMap {
+		if !patchMap[permissionKey] {
+			result = append(result, permissionKey)
+		}
+	}
+
+	for permissionKey := range patchMap {
+		if !roleMap[permissionKey] {
+			result = append(result, permissionKey)
+		}
+	}
+
+	return result
+}
+
+// GetChannelModeratedPermissions returns a map of channel moderated permissions that the role has access to
+func (r *Role) GetChannelModeratedPermissions(channelType ChannelType) map[string]bool {
+	moderatedPermissions := make(map[string]bool)
+	for _, permission := range r.Permissions {
+		if _, found := ChannelModeratedPermissionsMap[permission]; !found {
+			continue
+		}
+
+		for moderated, moderatedPermissionValue := range ChannelModeratedPermissionsMap {
+			// the moderated permission has already been found to be true so skip this iteration
+			if moderatedPermissions[moderatedPermissionValue] {
+				continue
+			}
+
+			if moderated == permission {
+				// Special case where the channel moderated permission for `manage_members` is different depending on whether the channel is private or public
+				if moderated == PermissionManagePublicChannelMembers.Id || moderated == PermissionManagePrivateChannelMembers.Id {
+					canManagePublic := channelType == ChannelTypeOpen && moderated == PermissionManagePublicChannelMembers.Id
+					canManagePrivate := channelType == ChannelTypePrivate && moderated == PermissionManagePrivateChannelMembers.Id
+					moderatedPermissions[moderatedPermissionValue] = canManagePublic || canManagePrivate
+				} else {
+					moderatedPermissions[moderatedPermissionValue] = true
+				}
+			}
+		}
+	}
+
+	return moderatedPermissions
+}
+
+// RolePatchFromChannelModerationsPatch Creates and returns a RolePatch based on a slice of ChannelModerationPatchs, roleName is expected to be either "members" or "guests".
+func (r *Role) RolePatchFromChannelModerationsPatch(channelModerationsPatch []*ChannelModerationPatch, roleName string) *RolePatch {
+	permissionsToAddToPatch := make(map[string]bool)
+
+	// Iterate through the list of existing permissions on the role and append permissions that we want to keep.
+	for _, permission := range r.Permissions {
+		// Permission is not moderated so dont add it to the patch and skip the channelModerationsPatch
+		if _, isModerated := ChannelModeratedPermissionsMap[permission]; !isModerated {
+			continue
+		}
+
+		permissionEnabled := true
+		// Check if permission has a matching moderated permission name inside the channel moderation patch
+		for _, channelModerationPatch := range channelModerationsPatch {
+			if *channelModerationPatch.Name == ChannelModeratedPermissionsMap[permission] {
+				// Permission key exists in patch with a value of false so skip over it
+				if roleName == "members" {
+					if channelModerationPatch.Roles.Members != nil && !*channelModerationPatch.Roles.Members {
+						permissionEnabled = false
+					}
+				} else if roleName == "guests" {
+					if channelModerationPatch.Roles.Guests != nil && !*channelModerationPatch.Roles.Guests {
+						permissionEnabled = false
+					}
+				}
+			}
+		}
+
+		if permissionEnabled {
+			permissionsToAddToPatch[permission] = true
+		}
+	}
+
+	// Iterate through the patch and add any permissions that dont already exist on the role
+	for _, channelModerationPatch := range channelModerationsPatch {
+		for permission, moderatedPermissionName := range ChannelModeratedPermissionsMap {
+			if roleName == "members" && channelModerationPatch.Roles.Members != nil && *channelModerationPatch.Roles.Members && *channelModerationPatch.Name == moderatedPermissionName {
+				permissionsToAddToPatch[permission] = true
+			}
+
+			if roleName == "guests" && channelModerationPatch.Roles.Guests != nil && *channelModerationPatch.Roles.Guests && *channelModerationPatch.Name == moderatedPermissionName {
+				permissionsToAddToPatch[permission] = true
+			}
+		}
+	}
+
+	patchPermissions := make([]string, 0, len(permissionsToAddToPatch))
+	for permission := range permissionsToAddToPatch {
+		patchPermissions = append(patchPermissions, permission)
+	}
+
+	return &RolePatch{Permissions: &patchPermissions}
+}
+
+func (r *Role) IsValid() bool {
+	if !IsValidId(r.Id) {
+		return false
+	}
+
+	return r.IsValidWithoutId()
+}
+
+func (r *Role) IsValidWithoutId() bool {
+	if !IsValidRoleName(r.Name) {
+		return false
+	}
+
+	if r.DisplayName == "" || len(r.DisplayName) > RoleDisplayNameMaxLength {
+		return false
+	}
+
+	if len(r.Description) > RoleDescriptionMaxLength {
+		return false
+	}
+
+	check := func(perms []*Permission, permission string) bool {
+		for _, p := range perms {
+			if permission == p.Id {
+				return true
+			}
+		}
+		return false
+	}
+	for _, permission := range r.Permissions {
+		permissionValidated := check(AllPermissions, permission) || check(DeprecatedPermissions, permission)
+		if !permissionValidated {
+			return false
+		}
+	}
+
+	return true
+}
+
+func CleanRoleNames(roleNames []string) ([]string, bool) {
+	var cleanedRoleNames []string
+	for _, roleName := range roleNames {
+		if strings.TrimSpace(roleName) == "" {
+			continue
+		}
+
+		if !IsValidRoleName(roleName) {
+			return roleNames, false
+		}
+
+		cleanedRoleNames = append(cleanedRoleNames, roleName)
+	}
+
+	return cleanedRoleNames, true
+}
+
+func IsValidRoleName(roleName string) bool {
+	if roleName == "" || len(roleName) > RoleNameMaxLength {
+		return false
+	}
+
+	if strings.TrimLeft(roleName, "abcdefghijklmnopqrstuvwxyz0123456789_") != "" {
+		return false
+	}
+
+	return true
+}
+
+func MakeDefaultRoles() map[string]*Role {
+	roles := make(map[string]*Role)
+
+	roles[ChannelGuestRoleId] = &Role{
+		Name:        "channel_guest",
+		DisplayName: "authentication.roles.channel_guest.name",
+		Description: "authentication.roles.channel_guest.description",
+		Permissions: []string{
+			PermissionReadChannel.Id,
+			PermissionAddReaction.Id,
+			PermissionRemoveReaction.Id,
+			PermissionUploadFile.Id,
+			PermissionEditPost.Id,
+			PermissionCreatePost.Id,
+			PermissionUseChannelMentions.Id,
+			PermissionUseSlashCommands.Id,
+		},
+		SchemeManaged: true,
+		BuiltIn:       true,
+	}
+
+	roles[ChannelUserRoleId] = &Role{
+		Name:        "channel_user",
+		DisplayName: "authentication.roles.channel_user.name",
+		Description: "authentication.roles.channel_user.description",
+		Permissions: []string{
+			PermissionReadChannel.Id,
+			PermissionAddReaction.Id,
+			PermissionRemoveReaction.Id,
+			PermissionManagePublicChannelMembers.Id,
+			PermissionUploadFile.Id,
+			PermissionGetPublicLink.Id,
+			PermissionCreatePost.Id,
+			PermissionUseChannelMentions.Id,
+			PermissionUseSlashCommands.Id,
+			PermissionManagePublicChannelProperties.Id,
+			PermissionDeletePublicChannel.Id,
+			PermissionManagePrivateChannelProperties.Id,
+			PermissionDeletePrivateChannel.Id,
+			PermissionManagePrivateChannelMembers.Id,
+			PermissionDeletePost.Id,
+			PermissionEditPost.Id,
+		},
+		SchemeManaged: true,
+		BuiltIn:       true,
+	}
+
+	roles[ChannelAdminRoleId] = &Role{
+		Name:        "channel_admin",
+		DisplayName: "authentication.roles.channel_admin.name",
+		Description: "authentication.roles.channel_admin.description",
+		Permissions: []string{
+			PermissionManageChannelRoles.Id,
+			PermissionUseGroupMentions.Id,
+		},
+		SchemeManaged: true,
+		BuiltIn:       true,
+	}
+
+	roles[TeamGuestRoleId] = &Role{
+		Name:        "team_guest",
+		DisplayName: "authentication.roles.team_guest.name",
+		Description: "authentication.roles.team_guest.description",
+		Permissions: []string{
+			PermissionViewTeam.Id,
+		},
+		SchemeManaged: true,
+		BuiltIn:       true,
+	}
+
+	roles[TeamUserRoleId] = &Role{
+		Name:        "team_user",
+		DisplayName: "authentication.roles.team_user.name",
+		Description: "authentication.roles.team_user.description",
+		Permissions: []string{
+			PermissionListTeamChannels.Id,
+			PermissionJoinPublicChannels.Id,
+			PermissionReadPublicChannel.Id,
+			PermissionViewTeam.Id,
+			PermissionCreatePublicChannel.Id,
+			PermissionCreatePrivateChannel.Id,
+			PermissionInviteUser.Id,
+			PermissionAddUserToTeam.Id,
+		},
+		SchemeManaged: true,
+		BuiltIn:       true,
+	}
+
+	roles[TeamPostAllRoleId] = &Role{
+		Name:        "team_post_all",
+		DisplayName: "authentication.roles.team_post_all.name",
+		Description: "authentication.roles.team_post_all.description",
+		Permissions: []string{
+			PermissionCreatePost.Id,
+			PermissionUseChannelMentions.Id,
+		},
+		SchemeManaged: false,
+		BuiltIn:       true,
+	}
+
+	roles[TeamPostAllPublicRoleId] = &Role{
+		Name:        "team_post_all_public",
+		DisplayName: "authentication.roles.team_post_all_public.name",
+		Description: "authentication.roles.team_post_all_public.description",
+		Permissions: []string{
+			PermissionCreatePostPublic.Id,
+			PermissionUseChannelMentions.Id,
+		},
+		SchemeManaged: false,
+		BuiltIn:       true,
+	}
+
+	roles[TeamAdminRoleId] = &Role{
+		Name:        "team_admin",
+		DisplayName: "authentication.roles.team_admin.name",
+		Description: "authentication.roles.team_admin.description",
+		Permissions: []string{
+			PermissionRemoveUserFromTeam.Id,
+			PermissionManageTeam.Id,
+			PermissionImportTeam.Id,
+			PermissionManageTeamRoles.Id,
+			PermissionManageChannelRoles.Id,
+			PermissionManageOthersIncomingWebhooks.Id,
+			PermissionManageOthersOutgoingWebhooks.Id,
+			PermissionManageSlashCommands.Id,
+			PermissionManageOthersSlashCommands.Id,
+			PermissionManageIncomingWebhooks.Id,
+			PermissionManageOutgoingWebhooks.Id,
+			PermissionConvertPublicChannelToPrivate.Id,
+			PermissionConvertPrivateChannelToPublic.Id,
+			PermissionDeletePost.Id,
+			PermissionDeleteOthersPosts.Id,
+		},
+		SchemeManaged: true,
+		BuiltIn:       true,
+	}
+
+	roles[SystemGuestRoleId] = &Role{
+		Name:        "system_guest",
+		DisplayName: "authentication.roles.global_guest.name",
+		Description: "authentication.roles.global_guest.description",
+		Permissions: []string{
+			PermissionCreateDirectChannel.Id,
+			PermissionCreateGroupChannel.Id,
+		},
+		SchemeManaged: true,
+		BuiltIn:       true,
+	}
+
+	roles[SystemUserRoleId] = &Role{
+		Name:        "system_user",
+		DisplayName: "authentication.roles.global_user.name",
+		Description: "authentication.roles.global_user.description",
+		Permissions: []string{
+			PermissionListPublicTeams.Id,
+			PermissionJoinPublicTeams.Id,
+			PermissionCreateDirectChannel.Id,
+			PermissionCreateGroupChannel.Id,
+			PermissionViewMembers.Id,
+			PermissionCreateTeam.Id,
+		},
+		SchemeManaged: true,
+		BuiltIn:       true,
+	}
+
+	roles[SystemPostAllRoleId] = &Role{
+		Name:        "system_post_all",
+		DisplayName: "authentication.roles.system_post_all.name",
+		Description: "authentication.roles.system_post_all.description",
+		Permissions: []string{
+			PermissionCreatePost.Id,
+			PermissionUseChannelMentions.Id,
+		},
+		SchemeManaged: false,
+		BuiltIn:       true,
+	}
+
+	roles[SystemPostAllPublicRoleId] = &Role{
+		Name:        "system_post_all_public",
+		DisplayName: "authentication.roles.system_post_all_public.name",
+		Description: "authentication.roles.system_post_all_public.description",
+		Permissions: []string{
+			PermissionCreatePostPublic.Id,
+			PermissionUseChannelMentions.Id,
+		},
+		SchemeManaged: false,
+		BuiltIn:       true,
+	}
+
+	roles[SystemUserAccessTokenRoleId] = &Role{
+		Name:        "system_user_access_token",
+		DisplayName: "authentication.roles.system_user_access_token.name",
+		Description: "authentication.roles.system_user_access_token.description",
+		Permissions: []string{
+			PermissionCreateUserAccessToken.Id,
+			PermissionReadUserAccessToken.Id,
+			PermissionRevokeUserAccessToken.Id,
+		},
+		SchemeManaged: false,
+		BuiltIn:       true,
+	}
+
+	roles[SystemUserManagerRoleId] = &Role{
+		Name:          "system_user_manager",
+		DisplayName:   "authentication.roles.system_user_manager.name",
+		Description:   "authentication.roles.system_user_manager.description",
+		Permissions:   SystemUserManagerDefaultPermissions,
+		SchemeManaged: false,
+		BuiltIn:       true,
+	}
+
+	roles[SystemReadOnlyAdminRoleId] = &Role{
+		Name:          "system_read_only_admin",
+		DisplayName:   "authentication.roles.system_read_only_admin.name",
+		Description:   "authentication.roles.system_read_only_admin.description",
+		Permissions:   SystemReadOnlyAdminDefaultPermissions,
+		SchemeManaged: false,
+		BuiltIn:       true,
+	}
+
+	roles[SystemManagerRoleId] = &Role{
+		Name:          "system_manager",
+		DisplayName:   "authentication.roles.system_manager.name",
+		Description:   "authentication.roles.system_manager.description",
+		Permissions:   SystemManagerDefaultPermissions,
+		SchemeManaged: false,
+		BuiltIn:       true,
+	}
+
+	allPermissionIDs := []string{}
+	for _, permission := range AllPermissions {
+		allPermissionIDs = append(allPermissionIDs, permission.Id)
+	}
+
+	roles[SystemAdminRoleId] = &Role{
+		Name:        "system_admin",
+		DisplayName: "authentication.roles.global_admin.name",
+		Description: "authentication.roles.global_admin.description",
+		// System admins can do anything channel and team admins can do
+		// plus everything members of teams and channels can do to all teams
+		// and channels on the system
+		Permissions:   allPermissionIDs,
+		SchemeManaged: true,
+		BuiltIn:       true,
+	}
+
+	return roles
+}
+
+func AddAncillaryPermissions(permissions []string) []string {
+	for _, permission := range permissions {
+		if ancillaryPermissions, ok := SysconsoleAncillaryPermissions[permission]; ok {
+			for _, ancillaryPermission := range ancillaryPermissions {
+				permissions = append(permissions, ancillaryPermission.Id)
+			}
+		}
+	}
+	return permissions
+}
+
+func asStringBoolMap(list []string) map[string]bool {
+	listMap := make(map[string]bool, len(list))
+	for _, p := range list {
+		listMap[p] = true
+	}
+	return listMap
+}

vendor/github.com/mattermost/mattermost-server/v6/model/saml.go

@@ -0,0 +1,176 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/xml"
+	"time"
+)
+
+const (
+	UserAuthServiceSaml     = "saml"
+	UserAuthServiceSamlText = "SAML"
+	UserAuthServiceIsSaml   = "isSaml"
+	UserAuthServiceIsMobile = "isMobile"
+	UserAuthServiceIsOAuth  = "isOAuthUser"
+)
+
+type SamlAuthRequest struct {
+	Base64AuthRequest string
+	URL               string
+	RelayState        string
+}
+
+type SamlCertificateStatus struct {
+	IdpCertificateFile    bool `json:"idp_certificate_file"`
+	PrivateKeyFile        bool `json:"private_key_file"`
+	PublicCertificateFile bool `json:"public_certificate_file"`
+}
+
+type SamlMetadataResponse struct {
+	IdpDescriptorURL     string `json:"idp_descriptor_url"`
+	IdpURL               string `json:"idp_url"`
+	IdpPublicCertificate string `json:"idp_public_certificate"`
+}
+
+type NameIDFormat struct {
+	XMLName xml.Name
+	Format  string `xml:",attr,omitempty"`
+	Value   string `xml:",innerxml"`
+}
+
+type NameID struct {
+	NameQualifier   string `xml:",attr"`
+	SPNameQualifier string `xml:",attr"`
+	Format          string `xml:",attr,omitempty"`
+	SPProvidedID    string `xml:",attr"`
+	Value           string `xml:",chardata"`
+}
+
+type AttributeValue struct {
+	Type   string `xml:"http://www.w3.org/2001/XMLSchema-instance type,attr"`
+	Value  string `xml:",chardata"`
+	NameID *NameID
+}
+
+type Attribute struct {
+	XMLName      xml.Name
+	FriendlyName string           `xml:",attr"`
+	Name         string           `xml:",attr"`
+	NameFormat   string           `xml:",attr"`
+	Values       []AttributeValue `xml:"AttributeValue"`
+}
+
+type Endpoint struct {
+	XMLName          xml.Name
+	Binding          string `xml:"Binding,attr"`
+	Location         string `xml:"Location,attr"`
+	ResponseLocation string `xml:"ResponseLocation,attr,omitempty"`
+}
+
+type IndexedEndpoint struct {
+	XMLName          xml.Name
+	Binding          string  `xml:"Binding,attr"`
+	Location         string  `xml:"Location,attr"`
+	ResponseLocation *string `xml:"ResponseLocation,attr,omitempty"`
+	Index            int     `xml:"index,attr"`
+	IsDefault        *bool   `xml:"isDefault,attr"`
+}
+
+type IDPSSODescriptor struct {
+	XMLName xml.Name `xml:"urn:oasis:names:tc:SAML:2.0:metadata IDPSSODescriptor"`
+	SSODescriptor
+	WantAuthnRequestsSigned *bool `xml:",attr"`
+
+	SingleSignOnServices       []Endpoint  `xml:"SingleSignOnService"`
+	NameIDMappingServices      []Endpoint  `xml:"NameIDMappingService"`
+	AssertionIDRequestServices []Endpoint  `xml:"AssertionIDRequestService"`
+	AttributeProfiles          []string    `xml:"AttributeProfile"`
+	Attributes                 []Attribute `xml:"Attribute"`
+}
+
+type SSODescriptor struct {
+	XMLName xml.Name
+	RoleDescriptor
+	ArtifactResolutionServices []IndexedEndpoint `xml:"ArtifactResolutionService"`
+	SingleLogoutServices       []Endpoint        `xml:"SingleLogoutService"`
+	ManageNameIDServices       []Endpoint        `xml:"ManageNameIDService"`
+	NameIDFormats              []NameIDFormat    `xml:"NameIDFormat"`
+}
+
+type X509Certificate struct {
+	XMLName xml.Name
+	Cert    string `xml:",innerxml"`
+}
+
+type X509Data struct {
+	XMLName         xml.Name
+	X509Certificate X509Certificate `xml:"X509Certificate"`
+}
+
+type KeyInfo struct {
+	XMLName  xml.Name
+	DS       string   `xml:"xmlns:ds,attr"`
+	X509Data X509Data `xml:"X509Data"`
+}
+type EncryptionMethod struct {
+	Algorithm string `xml:"Algorithm,attr"`
+}
+
+type KeyDescriptor struct {
+	XMLName xml.Name
+	Use     string  `xml:"use,attr,omitempty"`
+	KeyInfo KeyInfo `xml:"http://www.w3.org/2000/09/xmldsig# KeyInfo,omitempty"`
+}
+
+type RoleDescriptor struct {
+	XMLName                    xml.Name
+	ID                         string          `xml:",attr,omitempty"`
+	ValidUntil                 time.Time       `xml:"validUntil,attr,omitempty"`
+	CacheDuration              time.Duration   `xml:"cacheDuration,attr,omitempty"`
+	ProtocolSupportEnumeration string          `xml:"protocolSupportEnumeration,attr"`
+	ErrorURL                   string          `xml:"errorURL,attr,omitempty"`
+	KeyDescriptors             []KeyDescriptor `xml:"KeyDescriptor,omitempty"`
+	Organization               *Organization   `xml:"Organization,omitempty"`
+	ContactPersons             []ContactPerson `xml:"ContactPerson,omitempty"`
+}
+
+type ContactPerson struct {
+	XMLName          xml.Name
+	ContactType      string `xml:"contactType,attr"`
+	Company          string
+	GivenName        string
+	SurName          string
+	EmailAddresses   []string `xml:"EmailAddress"`
+	TelephoneNumbers []string `xml:"TelephoneNumber"`
+}
+
+type LocalizedName struct {
+	Lang  string `xml:"xml lang,attr"`
+	Value string `xml:",chardata"`
+}
+
+type LocalizedURI struct {
+	Lang  string `xml:"xml lang,attr"`
+	Value string `xml:",chardata"`
+}
+
+type Organization struct {
+	XMLName                  xml.Name
+	OrganizationNames        []LocalizedName `xml:"OrganizationName"`
+	OrganizationDisplayNames []LocalizedName `xml:"OrganizationDisplayName"`
+	OrganizationURLs         []LocalizedURI  `xml:"OrganizationURL"`
+}
+
+type EntityDescriptor struct {
+	XMLName           xml.Name           `xml:"urn:oasis:names:tc:SAML:2.0:metadata EntityDescriptor"`
+	EntityID          string             `xml:"entityID,attr"`
+	ID                string             `xml:",attr,omitempty"`
+	ValidUntil        time.Time          `xml:"validUntil,attr,omitempty"`
+	CacheDuration     time.Duration      `xml:"cacheDuration,attr,omitempty"`
+	RoleDescriptors   []RoleDescriptor   `xml:"RoleDescriptor"`
+	IDPSSODescriptors []IDPSSODescriptor `xml:"IDPSSODescriptor"`
+	Organization      Organization       `xml:"Organization"`
+	ContactPerson     ContactPerson      `xml:"ContactPerson"`
+}

vendor/github.com/mattermost/mattermost-server/v6/model/scheduled_task.go

@@ -0,0 +1,100 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"fmt"
+	"time"
+)
+
+type TaskFunc func()
+
+type ScheduledTask struct {
+	Name                 string        `json:"name"`
+	Interval             time.Duration `json:"interval"`
+	Recurring            bool          `json:"recurring"`
+	function             func()
+	cancel               chan struct{}
+	cancelled            chan struct{}
+	fromNextIntervalTime bool
+}
+
+func CreateTask(name string, function TaskFunc, timeToExecution time.Duration) *ScheduledTask {
+	return createTask(name, function, timeToExecution, false, false)
+}
+
+func CreateRecurringTask(name string, function TaskFunc, interval time.Duration) *ScheduledTask {
+	return createTask(name, function, interval, true, false)
+}
+
+func CreateRecurringTaskFromNextIntervalTime(name string, function TaskFunc, interval time.Duration) *ScheduledTask {
+	return createTask(name, function, interval, true, true)
+}
+
+func createTask(name string, function TaskFunc, interval time.Duration, recurring bool, fromNextIntervalTime bool) *ScheduledTask {
+	task := &ScheduledTask{
+		Name:                 name,
+		Interval:             interval,
+		Recurring:            recurring,
+		function:             function,
+		cancel:               make(chan struct{}),
+		cancelled:            make(chan struct{}),
+		fromNextIntervalTime: fromNextIntervalTime,
+	}
+
+	go func() {
+		defer close(task.cancelled)
+
+		var firstTick <-chan time.Time
+		var ticker *time.Ticker
+
+		if task.fromNextIntervalTime {
+			currTime := time.Now()
+			first := currTime.Truncate(interval)
+			if first.Before(currTime) {
+				first = first.Add(interval)
+			}
+			firstTick = time.After(time.Until(first))
+			ticker = &time.Ticker{C: nil}
+		} else {
+			firstTick = nil
+			ticker = time.NewTicker(interval)
+		}
+		defer func() {
+			ticker.Stop()
+		}()
+
+		for {
+			select {
+			case <-firstTick:
+				ticker = time.NewTicker(interval)
+				function()
+			case <-ticker.C:
+				function()
+			case <-task.cancel:
+				return
+			}
+
+			if !task.Recurring {
+				break
+			}
+		}
+	}()
+
+	return task
+}
+
+func (task *ScheduledTask) Cancel() {
+	close(task.cancel)
+	<-task.cancelled
+}
+
+func (task *ScheduledTask) String() string {
+	return fmt.Sprintf(
+		"%s\nInterval: %s\nRecurring: %t\n",
+		task.Name,
+		task.Interval.String(),
+		task.Recurring,
+	)
+}

vendor/github.com/mattermost/mattermost-server/v6/model/scheme.go

@@ -0,0 +1,167 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"fmt"
+	"regexp"
+)
+
+const (
+	SchemeDisplayNameMaxLength = 128
+	SchemeNameMaxLength        = 64
+	SchemeDescriptionMaxLength = 1024
+	SchemeScopeTeam            = "team"
+	SchemeScopeChannel         = "channel"
+)
+
+type Scheme struct {
+	Id                      string `json:"id"`
+	Name                    string `json:"name"`
+	DisplayName             string `json:"display_name"`
+	Description             string `json:"description"`
+	CreateAt                int64  `json:"create_at"`
+	UpdateAt                int64  `json:"update_at"`
+	DeleteAt                int64  `json:"delete_at"`
+	Scope                   string `json:"scope"`
+	DefaultTeamAdminRole    string `json:"default_team_admin_role"`
+	DefaultTeamUserRole     string `json:"default_team_user_role"`
+	DefaultChannelAdminRole string `json:"default_channel_admin_role"`
+	DefaultChannelUserRole  string `json:"default_channel_user_role"`
+	DefaultTeamGuestRole    string `json:"default_team_guest_role"`
+	DefaultChannelGuestRole string `json:"default_channel_guest_role"`
+}
+
+type SchemePatch struct {
+	Name        *string `json:"name"`
+	DisplayName *string `json:"display_name"`
+	Description *string `json:"description"`
+}
+
+type SchemeIDPatch struct {
+	SchemeID *string `json:"scheme_id"`
+}
+
+// SchemeConveyor is used for importing and exporting a Scheme and its associated Roles.
+type SchemeConveyor struct {
+	Name         string  `json:"name"`
+	DisplayName  string  `json:"display_name"`
+	Description  string  `json:"description"`
+	Scope        string  `json:"scope"`
+	TeamAdmin    string  `json:"default_team_admin_role"`
+	TeamUser     string  `json:"default_team_user_role"`
+	TeamGuest    string  `json:"default_team_guest_role"`
+	ChannelAdmin string  `json:"default_channel_admin_role"`
+	ChannelUser  string  `json:"default_channel_user_role"`
+	ChannelGuest string  `json:"default_channel_guest_role"`
+	Roles        []*Role `json:"roles"`
+}
+
+func (sc *SchemeConveyor) Scheme() *Scheme {
+	return &Scheme{
+		DisplayName:             sc.DisplayName,
+		Name:                    sc.Name,
+		Description:             sc.Description,
+		Scope:                   sc.Scope,
+		DefaultTeamAdminRole:    sc.TeamAdmin,
+		DefaultTeamUserRole:     sc.TeamUser,
+		DefaultTeamGuestRole:    sc.TeamGuest,
+		DefaultChannelAdminRole: sc.ChannelAdmin,
+		DefaultChannelUserRole:  sc.ChannelUser,
+		DefaultChannelGuestRole: sc.ChannelGuest,
+	}
+}
+
+type SchemeRoles struct {
+	SchemeAdmin bool `json:"scheme_admin"`
+	SchemeUser  bool `json:"scheme_user"`
+	SchemeGuest bool `json:"scheme_guest"`
+}
+
+func (scheme *Scheme) IsValid() bool {
+	if !IsValidId(scheme.Id) {
+		return false
+	}
+
+	return scheme.IsValidForCreate()
+}
+
+func (scheme *Scheme) IsValidForCreate() bool {
+	if scheme.DisplayName == "" || len(scheme.DisplayName) > SchemeDisplayNameMaxLength {
+		return false
+	}
+
+	if !IsValidSchemeName(scheme.Name) {
+		return false
+	}
+
+	if len(scheme.Description) > SchemeDescriptionMaxLength {
+		return false
+	}
+
+	switch scheme.Scope {
+	case SchemeScopeTeam, SchemeScopeChannel:
+	default:
+		return false
+	}
+
+	if !IsValidRoleName(scheme.DefaultChannelAdminRole) {
+		return false
+	}
+
+	if !IsValidRoleName(scheme.DefaultChannelUserRole) {
+		return false
+	}
+
+	if !IsValidRoleName(scheme.DefaultChannelGuestRole) {
+		return false
+	}
+
+	if scheme.Scope == SchemeScopeTeam {
+		if !IsValidRoleName(scheme.DefaultTeamAdminRole) {
+			return false
+		}
+
+		if !IsValidRoleName(scheme.DefaultTeamUserRole) {
+			return false
+		}
+
+		if !IsValidRoleName(scheme.DefaultTeamGuestRole) {
+			return false
+		}
+	}
+
+	if scheme.Scope == SchemeScopeChannel {
+		if scheme.DefaultTeamAdminRole != "" {
+			return false
+		}
+
+		if scheme.DefaultTeamUserRole != "" {
+			return false
+		}
+
+		if scheme.DefaultTeamGuestRole != "" {
+			return false
+		}
+	}
+
+	return true
+}
+
+func (scheme *Scheme) Patch(patch *SchemePatch) {
+	if patch.DisplayName != nil {
+		scheme.DisplayName = *patch.DisplayName
+	}
+	if patch.Name != nil {
+		scheme.Name = *patch.Name
+	}
+	if patch.Description != nil {
+		scheme.Description = *patch.Description
+	}
+}
+
+func IsValidSchemeName(name string) bool {
+	re := regexp.MustCompile(fmt.Sprintf("^[a-z0-9_]{2,%d}$", SchemeNameMaxLength))
+	return re.MatchString(name)
+}

vendor/github.com/mattermost/mattermost-server/v6/model/search_params.go

@@ -0,0 +1,397 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"net/http"
+	"regexp"
+	"strings"
+	"time"
+)
+
+var searchTermPuncStart = regexp.MustCompile(`^[^\pL\d\s#"]+`)
+var searchTermPuncEnd = regexp.MustCompile(`[^\pL\d\s*"]+$`)
+
+type SearchParams struct {
+	Terms                  string
+	ExcludedTerms          string
+	IsHashtag              bool
+	InChannels             []string
+	ExcludedChannels       []string
+	FromUsers              []string
+	ExcludedUsers          []string
+	AfterDate              string
+	ExcludedAfterDate      string
+	BeforeDate             string
+	ExcludedBeforeDate     string
+	Extensions             []string
+	ExcludedExtensions     []string
+	OnDate                 string
+	ExcludedDate           string
+	OrTerms                bool
+	IncludeDeletedChannels bool
+	TimeZoneOffset         int
+	// True if this search doesn't originate from a "current user".
+	SearchWithoutUserId bool
+}
+
+// Returns the epoch timestamp of the start of the day specified by SearchParams.AfterDate
+func (p *SearchParams) GetAfterDateMillis() int64 {
+	date, err := time.Parse("2006-01-02", PadDateStringZeros(p.AfterDate))
+	if err != nil {
+		date = time.Now()
+	}
+
+	// travel forward 1 day
+	oneDay := time.Hour * 24
+	afterDate := date.Add(oneDay)
+	return GetStartOfDayMillis(afterDate, p.TimeZoneOffset)
+}
+
+// Returns the epoch timestamp of the start of the day specified by SearchParams.ExcludedAfterDate
+func (p *SearchParams) GetExcludedAfterDateMillis() int64 {
+	date, err := time.Parse("2006-01-02", PadDateStringZeros(p.ExcludedAfterDate))
+	if err != nil {
+		date = time.Now()
+	}
+
+	// travel forward 1 day
+	oneDay := time.Hour * 24
+	afterDate := date.Add(oneDay)
+	return GetStartOfDayMillis(afterDate, p.TimeZoneOffset)
+}
+
+// Returns the epoch timestamp of the end of the day specified by SearchParams.BeforeDate
+func (p *SearchParams) GetBeforeDateMillis() int64 {
+	date, err := time.Parse("2006-01-02", PadDateStringZeros(p.BeforeDate))
+	if err != nil {
+		return 0
+	}
+
+	// travel back 1 day
+	oneDay := time.Hour * -24
+	beforeDate := date.Add(oneDay)
+	return GetEndOfDayMillis(beforeDate, p.TimeZoneOffset)
+}
+
+// Returns the epoch timestamp of the end of the day specified by SearchParams.ExcludedBeforeDate
+func (p *SearchParams) GetExcludedBeforeDateMillis() int64 {
+	date, err := time.Parse("2006-01-02", PadDateStringZeros(p.ExcludedBeforeDate))
+	if err != nil {
+		return 0
+	}
+
+	// travel back 1 day
+	oneDay := time.Hour * -24
+	beforeDate := date.Add(oneDay)
+	return GetEndOfDayMillis(beforeDate, p.TimeZoneOffset)
+}
+
+// Returns the epoch timestamps of the start and end of the day specified by SearchParams.OnDate
+func (p *SearchParams) GetOnDateMillis() (int64, int64) {
+	date, err := time.Parse("2006-01-02", PadDateStringZeros(p.OnDate))
+	if err != nil {
+		return 0, 0
+	}
+
+	return GetStartOfDayMillis(date, p.TimeZoneOffset), GetEndOfDayMillis(date, p.TimeZoneOffset)
+}
+
+// Returns the epoch timestamps of the start and end of the day specified by SearchParams.ExcludedDate
+func (p *SearchParams) GetExcludedDateMillis() (int64, int64) {
+	date, err := time.Parse("2006-01-02", PadDateStringZeros(p.ExcludedDate))
+	if err != nil {
+		return 0, 0
+	}
+
+	return GetStartOfDayMillis(date, p.TimeZoneOffset), GetEndOfDayMillis(date, p.TimeZoneOffset)
+}
+
+var searchFlags = [...]string{"from", "channel", "in", "before", "after", "on", "ext"}
+
+type flag struct {
+	name    string
+	value   string
+	exclude bool
+}
+
+type searchWord struct {
+	value   string
+	exclude bool
+}
+
+func splitWords(text string) []string {
+	words := []string{}
+
+	foundQuote := false
+	location := 0
+	for i, char := range text {
+		if char == '"' {
+			if foundQuote {
+				// Grab the quoted section
+				word := text[location : i+1]
+				words = append(words, word)
+				foundQuote = false
+				location = i + 1
+			} else {
+				nextStart := i
+				if i > 0 && text[i-1] == '-' {
+					nextStart = i - 1
+				}
+				words = append(words, strings.Fields(text[location:nextStart])...)
+				foundQuote = true
+				location = nextStart
+			}
+		}
+	}
+
+	words = append(words, strings.Fields(text[location:])...)
+
+	return words
+}
+
+func parseSearchFlags(input []string) ([]searchWord, []flag) {
+	words := []searchWord{}
+	flags := []flag{}
+
+	skipNextWord := false
+	for i, word := range input {
+		if skipNextWord {
+			skipNextWord = false
+			continue
+		}
+
+		isFlag := false
+
+		if colon := strings.Index(word, ":"); colon != -1 {
+			var flagName string
+			var exclude bool
+			if strings.HasPrefix(word, "-") {
+				flagName = word[1:colon]
+				exclude = true
+			} else {
+				flagName = word[:colon]
+				exclude = false
+			}
+
+			value := word[colon+1:]
+
+			for _, searchFlag := range searchFlags {
+				// check for case insensitive equality
+				if strings.EqualFold(flagName, searchFlag) {
+					if value != "" {
+						flags = append(flags, flag{
+							searchFlag,
+							value,
+							exclude,
+						})
+						isFlag = true
+					} else if i < len(input)-1 {
+						flags = append(flags, flag{
+							searchFlag,
+							input[i+1],
+							exclude,
+						})
+						skipNextWord = true
+						isFlag = true
+					}
+
+					if isFlag {
+						break
+					}
+				}
+			}
+		}
+
+		if !isFlag {
+			exclude := false
+			if strings.HasPrefix(word, "-") {
+				exclude = true
+			}
+			// trim off surrounding punctuation (note that we leave trailing asterisks to allow wildcards)
+			word = searchTermPuncStart.ReplaceAllString(word, "")
+			word = searchTermPuncEnd.ReplaceAllString(word, "")
+
+			// and remove extra pound #s
+			word = hashtagStart.ReplaceAllString(word, "#")
+
+			if word != "" {
+				words = append(words, searchWord{
+					word,
+					exclude,
+				})
+			}
+		}
+	}
+
+	return words, flags
+}
+
+func ParseSearchParams(text string, timeZoneOffset int) []*SearchParams {
+	words, flags := parseSearchFlags(splitWords(text))
+
+	hashtagTermList := []string{}
+	excludedHashtagTermList := []string{}
+	plainTermList := []string{}
+	excludedPlainTermList := []string{}
+
+	for _, word := range words {
+		if validHashtag.MatchString(word.value) {
+			if word.exclude {
+				excludedHashtagTermList = append(excludedHashtagTermList, word.value)
+			} else {
+				hashtagTermList = append(hashtagTermList, word.value)
+			}
+		} else {
+			if word.exclude {
+				excludedPlainTermList = append(excludedPlainTermList, word.value)
+			} else {
+				plainTermList = append(plainTermList, word.value)
+			}
+		}
+	}
+
+	hashtagTerms := strings.Join(hashtagTermList, " ")
+	excludedHashtagTerms := strings.Join(excludedHashtagTermList, " ")
+	plainTerms := strings.Join(plainTermList, " ")
+	excludedPlainTerms := strings.Join(excludedPlainTermList, " ")
+
+	inChannels := []string{}
+	excludedChannels := []string{}
+	fromUsers := []string{}
+	excludedUsers := []string{}
+	afterDate := ""
+	excludedAfterDate := ""
+	beforeDate := ""
+	excludedBeforeDate := ""
+	onDate := ""
+	excludedDate := ""
+	excludedExtensions := []string{}
+	extensions := []string{}
+
+	for _, flag := range flags {
+		if flag.name == "in" || flag.name == "channel" {
+			if flag.exclude {
+				excludedChannels = append(excludedChannels, flag.value)
+			} else {
+				inChannels = append(inChannels, flag.value)
+			}
+		} else if flag.name == "from" {
+			if flag.exclude {
+				excludedUsers = append(excludedUsers, flag.value)
+			} else {
+				fromUsers = append(fromUsers, flag.value)
+			}
+		} else if flag.name == "after" {
+			if flag.exclude {
+				excludedAfterDate = flag.value
+			} else {
+				afterDate = flag.value
+			}
+		} else if flag.name == "before" {
+			if flag.exclude {
+				excludedBeforeDate = flag.value
+			} else {
+				beforeDate = flag.value
+			}
+		} else if flag.name == "on" {
+			if flag.exclude {
+				excludedDate = flag.value
+			} else {
+				onDate = flag.value
+			}
+		} else if flag.name == "ext" {
+			if flag.exclude {
+				excludedExtensions = append(excludedExtensions, flag.value)
+			} else {
+				extensions = append(extensions, flag.value)
+			}
+		}
+	}
+
+	paramsList := []*SearchParams{}
+
+	if plainTerms != "" || excludedPlainTerms != "" {
+		paramsList = append(paramsList, &SearchParams{
+			Terms:              plainTerms,
+			ExcludedTerms:      excludedPlainTerms,
+			IsHashtag:          false,
+			InChannels:         inChannels,
+			ExcludedChannels:   excludedChannels,
+			FromUsers:          fromUsers,
+			ExcludedUsers:      excludedUsers,
+			AfterDate:          afterDate,
+			ExcludedAfterDate:  excludedAfterDate,
+			BeforeDate:         beforeDate,
+			ExcludedBeforeDate: excludedBeforeDate,
+			Extensions:         extensions,
+			ExcludedExtensions: excludedExtensions,
+			OnDate:             onDate,
+			ExcludedDate:       excludedDate,
+			TimeZoneOffset:     timeZoneOffset,
+		})
+	}
+
+	if hashtagTerms != "" || excludedHashtagTerms != "" {
+		paramsList = append(paramsList, &SearchParams{
+			Terms:              hashtagTerms,
+			ExcludedTerms:      excludedHashtagTerms,
+			IsHashtag:          true,
+			InChannels:         inChannels,
+			ExcludedChannels:   excludedChannels,
+			FromUsers:          fromUsers,
+			ExcludedUsers:      excludedUsers,
+			AfterDate:          afterDate,
+			ExcludedAfterDate:  excludedAfterDate,
+			BeforeDate:         beforeDate,
+			ExcludedBeforeDate: excludedBeforeDate,
+			Extensions:         extensions,
+			ExcludedExtensions: excludedExtensions,
+			OnDate:             onDate,
+			ExcludedDate:       excludedDate,
+			TimeZoneOffset:     timeZoneOffset,
+		})
+	}
+
+	// special case for when no terms are specified but we still have a filter
+	if plainTerms == "" && hashtagTerms == "" &&
+		excludedPlainTerms == "" && excludedHashtagTerms == "" &&
+		(len(inChannels) != 0 || len(fromUsers) != 0 ||
+			len(excludedChannels) != 0 || len(excludedUsers) != 0 ||
+			len(extensions) != 0 || len(excludedExtensions) != 0 ||
+			afterDate != "" || excludedAfterDate != "" ||
+			beforeDate != "" || excludedBeforeDate != "" ||
+			onDate != "" || excludedDate != "") {
+		paramsList = append(paramsList, &SearchParams{
+			Terms:              "",
+			ExcludedTerms:      "",
+			IsHashtag:          false,
+			InChannels:         inChannels,
+			ExcludedChannels:   excludedChannels,
+			FromUsers:          fromUsers,
+			ExcludedUsers:      excludedUsers,
+			AfterDate:          afterDate,
+			ExcludedAfterDate:  excludedAfterDate,
+			BeforeDate:         beforeDate,
+			ExcludedBeforeDate: excludedBeforeDate,
+			Extensions:         extensions,
+			ExcludedExtensions: excludedExtensions,
+			OnDate:             onDate,
+			ExcludedDate:       excludedDate,
+			TimeZoneOffset:     timeZoneOffset,
+		})
+	}
+
+	return paramsList
+}
+
+func IsSearchParamsListValid(paramsList []*SearchParams) *AppError {
+	// All SearchParams should have same IncludeDeletedChannels value.
+	for _, params := range paramsList {
+		if params.IncludeDeletedChannels != paramsList[0].IncludeDeletedChannels {
+			return NewAppError("IsSearchParamsListValid", "model.search_params_list.is_valid.include_deleted_channels.app_error", nil, "", http.StatusInternalServerError)
+		}
+	}
+	return nil
+}

vendor/github.com/mattermost/mattermost-server/v6/model/security_bulletin.go

@@ -0,0 +1,11 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+type SecurityBulletin struct {
+	Id               string `json:"id"`
+	AppliesToVersion string `json:"applies_to_version"`
+}
+
+type SecurityBulletins []SecurityBulletin

vendor/github.com/mattermost/mattermost-server/v6/model/session.go

@@ -0,0 +1,197 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"strconv"
+	"strings"
+
+	"github.com/mattermost/mattermost-server/v6/shared/mlog"
+)
+
+const (
+	SessionCookieToken            = "MMAUTHTOKEN"
+	SessionCookieUser             = "MMUSERID"
+	SessionCookieCsrf             = "MMCSRF"
+	SessionCacheSize              = 35000
+	SessionPropPlatform           = "platform"
+	SessionPropOs                 = "os"
+	SessionPropBrowser            = "browser"
+	SessionPropType               = "type"
+	SessionPropUserAccessTokenId  = "user_access_token_id"
+	SessionPropIsBot              = "is_bot"
+	SessionPropIsBotValue         = "true"
+	SessionTypeUserAccessToken    = "UserAccessToken"
+	SessionTypeCloudKey           = "CloudKey"
+	SessionTypeRemoteclusterToken = "RemoteClusterToken"
+	SessionPropIsGuest            = "is_guest"
+	SessionActivityTimeout        = 1000 * 60 * 5 // 5 minutes
+	SessionUserAccessTokenExpiry  = 100 * 365     // 100 years
+)
+
+//msgp StringMap
+type StringMap map[string]string
+
+//msgp:tuple Session
+
+// Session contains the user session details.
+// This struct's serializer methods are auto-generated. If a new field is added/removed,
+// please run make gen-serialized.
+type Session struct {
+	Id             string        `json:"id"`
+	Token          string        `json:"token"`
+	CreateAt       int64         `json:"create_at"`
+	ExpiresAt      int64         `json:"expires_at"`
+	LastActivityAt int64         `json:"last_activity_at"`
+	UserId         string        `json:"user_id"`
+	DeviceId       string        `json:"device_id"`
+	Roles          string        `json:"roles"`
+	IsOAuth        bool          `json:"is_oauth"`
+	ExpiredNotify  bool          `json:"expired_notify"`
+	Props          StringMap     `json:"props"`
+	TeamMembers    []*TeamMember `json:"team_members" db:"-"`
+	Local          bool          `json:"local" db:"-"`
+}
+
+// Returns true if the session is unrestricted, which should grant it
+// with all permissions. This is used for local mode sessions
+func (s *Session) IsUnrestricted() bool {
+	return s.Local
+}
+
+func (s *Session) DeepCopy() *Session {
+	copySession := *s
+
+	if s.Props != nil {
+		copySession.Props = CopyStringMap(s.Props)
+	}
+
+	if s.TeamMembers != nil {
+		copySession.TeamMembers = make([]*TeamMember, len(s.TeamMembers))
+		for index, tm := range s.TeamMembers {
+			copySession.TeamMembers[index] = new(TeamMember)
+			*copySession.TeamMembers[index] = *tm
+		}
+	}
+
+	return &copySession
+}
+
+func (s *Session) PreSave() {
+	if s.Id == "" {
+		s.Id = NewId()
+	}
+
+	if s.Token == "" {
+		s.Token = NewId()
+	}
+
+	s.CreateAt = GetMillis()
+	s.LastActivityAt = s.CreateAt
+
+	if s.Props == nil {
+		s.Props = make(map[string]string)
+	}
+}
+
+func (s *Session) Sanitize() {
+	s.Token = ""
+}
+
+func (s *Session) IsExpired() bool {
+
+	if s.ExpiresAt <= 0 {
+		return false
+	}
+
+	if GetMillis() > s.ExpiresAt {
+		return true
+	}
+
+	return false
+}
+
+func (s *Session) AddProp(key string, value string) {
+
+	if s.Props == nil {
+		s.Props = make(map[string]string)
+	}
+
+	s.Props[key] = value
+}
+
+func (s *Session) GetTeamByTeamId(teamId string) *TeamMember {
+	for _, team := range s.TeamMembers {
+		if team.TeamId == teamId {
+			return team
+		}
+	}
+
+	return nil
+}
+
+func (s *Session) IsMobileApp() bool {
+	return s.DeviceId != "" || s.IsMobile()
+}
+
+func (s *Session) IsMobile() bool {
+	val, ok := s.Props[UserAuthServiceIsMobile]
+	if !ok {
+		return false
+	}
+	isMobile, err := strconv.ParseBool(val)
+	if err != nil {
+		mlog.Debug("Error parsing boolean property from Session", mlog.Err(err))
+		return false
+	}
+	return isMobile
+}
+
+func (s *Session) IsSaml() bool {
+	val, ok := s.Props[UserAuthServiceIsSaml]
+	if !ok {
+		return false
+	}
+	isSaml, err := strconv.ParseBool(val)
+	if err != nil {
+		mlog.Debug("Error parsing boolean property from Session", mlog.Err(err))
+		return false
+	}
+	return isSaml
+}
+
+func (s *Session) IsOAuthUser() bool {
+	val, ok := s.Props[UserAuthServiceIsOAuth]
+	if !ok {
+		return false
+	}
+	isOAuthUser, err := strconv.ParseBool(val)
+	if err != nil {
+		mlog.Debug("Error parsing boolean property from Session", mlog.Err(err))
+		return false
+	}
+	return isOAuthUser
+}
+
+func (s *Session) IsSSOLogin() bool {
+	return s.IsOAuthUser() || s.IsSaml()
+}
+
+func (s *Session) GetUserRoles() []string {
+	return strings.Fields(s.Roles)
+}
+
+func (s *Session) GenerateCSRF() string {
+	token := NewId()
+	s.AddProp("csrf", token)
+	return token
+}
+
+func (s *Session) GetCSRF() string {
+	if s.Props == nil {
+		return ""
+	}
+
+	return s.Props["csrf"]
+}

vendor/github.com/mattermost/mattermost-server/v6/model/session_serial_gen.go

@@ -0,0 +1,540 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+// Code generated by github.com/tinylib/msgp DO NOT EDIT.
+
+import (
+	"github.com/tinylib/msgp/msgp"
+)
+
+// DecodeMsg implements msgp.Decodable
+func (z *Session) DecodeMsg(dc *msgp.Reader) (err error) {
+	var zb0001 uint32
+	zb0001, err = dc.ReadArrayHeader()
+	if err != nil {
+		err = msgp.WrapError(err)
+		return
+	}
+	if zb0001 != 13 {
+		err = msgp.ArrayError{Wanted: 13, Got: zb0001}
+		return
+	}
+	z.Id, err = dc.ReadString()
+	if err != nil {
+		err = msgp.WrapError(err, "Id")
+		return
+	}
+	z.Token, err = dc.ReadString()
+	if err != nil {
+		err = msgp.WrapError(err, "Token")
+		return
+	}
+	z.CreateAt, err = dc.ReadInt64()
+	if err != nil {
+		err = msgp.WrapError(err, "CreateAt")
+		return
+	}
+	z.ExpiresAt, err = dc.ReadInt64()
+	if err != nil {
+		err = msgp.WrapError(err, "ExpiresAt")
+		return
+	}
+	z.LastActivityAt, err = dc.ReadInt64()
+	if err != nil {
+		err = msgp.WrapError(err, "LastActivityAt")
+		return
+	}
+	z.UserId, err = dc.ReadString()
+	if err != nil {
+		err = msgp.WrapError(err, "UserId")
+		return
+	}
+	z.DeviceId, err = dc.ReadString()
+	if err != nil {
+		err = msgp.WrapError(err, "DeviceId")
+		return
+	}
+	z.Roles, err = dc.ReadString()
+	if err != nil {
+		err = msgp.WrapError(err, "Roles")
+		return
+	}
+	z.IsOAuth, err = dc.ReadBool()
+	if err != nil {
+		err = msgp.WrapError(err, "IsOAuth")
+		return
+	}
+	z.ExpiredNotify, err = dc.ReadBool()
+	if err != nil {
+		err = msgp.WrapError(err, "ExpiredNotify")
+		return
+	}
+	var zb0002 uint32
+	zb0002, err = dc.ReadMapHeader()
+	if err != nil {
+		err = msgp.WrapError(err, "Props")
+		return
+	}
+	if z.Props == nil {
+		z.Props = make(StringMap, zb0002)
+	} else if len(z.Props) > 0 {
+		for key := range z.Props {
+			delete(z.Props, key)
+		}
+	}
+	for zb0002 > 0 {
+		zb0002--
+		var za0001 string
+		var za0002 string
+		za0001, err = dc.ReadString()
+		if err != nil {
+			err = msgp.WrapError(err, "Props")
+			return
+		}
+		za0002, err = dc.ReadString()
+		if err != nil {
+			err = msgp.WrapError(err, "Props", za0001)
+			return
+		}
+		z.Props[za0001] = za0002
+	}
+	var zb0003 uint32
+	zb0003, err = dc.ReadArrayHeader()
+	if err != nil {
+		err = msgp.WrapError(err, "TeamMembers")
+		return
+	}
+	if cap(z.TeamMembers) >= int(zb0003) {
+		z.TeamMembers = (z.TeamMembers)[:zb0003]
+	} else {
+		z.TeamMembers = make([]*TeamMember, zb0003)
+	}
+	for za0003 := range z.TeamMembers {
+		if dc.IsNil() {
+			err = dc.ReadNil()
+			if err != nil {
+				err = msgp.WrapError(err, "TeamMembers", za0003)
+				return
+			}
+			z.TeamMembers[za0003] = nil
+		} else {
+			if z.TeamMembers[za0003] == nil {
+				z.TeamMembers[za0003] = new(TeamMember)
+			}
+			err = z.TeamMembers[za0003].DecodeMsg(dc)
+			if err != nil {
+				err = msgp.WrapError(err, "TeamMembers", za0003)
+				return
+			}
+		}
+	}
+	z.Local, err = dc.ReadBool()
+	if err != nil {
+		err = msgp.WrapError(err, "Local")
+		return
+	}
+	return
+}
+
+// EncodeMsg implements msgp.Encodable
+func (z *Session) EncodeMsg(en *msgp.Writer) (err error) {
+	// array header, size 13
+	err = en.Append(0x9d)
+	if err != nil {
+		return
+	}
+	err = en.WriteString(z.Id)
+	if err != nil {
+		err = msgp.WrapError(err, "Id")
+		return
+	}
+	err = en.WriteString(z.Token)
+	if err != nil {
+		err = msgp.WrapError(err, "Token")
+		return
+	}
+	err = en.WriteInt64(z.CreateAt)
+	if err != nil {
+		err = msgp.WrapError(err, "CreateAt")
+		return
+	}
+	err = en.WriteInt64(z.ExpiresAt)
+	if err != nil {
+		err = msgp.WrapError(err, "ExpiresAt")
+		return
+	}
+	err = en.WriteInt64(z.LastActivityAt)
+	if err != nil {
+		err = msgp.WrapError(err, "LastActivityAt")
+		return
+	}
+	err = en.WriteString(z.UserId)
+	if err != nil {
+		err = msgp.WrapError(err, "UserId")
+		return
+	}
+	err = en.WriteString(z.DeviceId)
+	if err != nil {
+		err = msgp.WrapError(err, "DeviceId")
+		return
+	}
+	err = en.WriteString(z.Roles)
+	if err != nil {
+		err = msgp.WrapError(err, "Roles")
+		return
+	}
+	err = en.WriteBool(z.IsOAuth)
+	if err != nil {
+		err = msgp.WrapError(err, "IsOAuth")
+		return
+	}
+	err = en.WriteBool(z.ExpiredNotify)
+	if err != nil {
+		err = msgp.WrapError(err, "ExpiredNotify")
+		return
+	}
+	err = en.WriteMapHeader(uint32(len(z.Props)))
+	if err != nil {
+		err = msgp.WrapError(err, "Props")
+		return
+	}
+	for za0001, za0002 := range z.Props {
+		err = en.WriteString(za0001)
+		if err != nil {
+			err = msgp.WrapError(err, "Props")
+			return
+		}
+		err = en.WriteString(za0002)
+		if err != nil {
+			err = msgp.WrapError(err, "Props", za0001)
+			return
+		}
+	}
+	err = en.WriteArrayHeader(uint32(len(z.TeamMembers)))
+	if err != nil {
+		err = msgp.WrapError(err, "TeamMembers")
+		return
+	}
+	for za0003 := range z.TeamMembers {
+		if z.TeamMembers[za0003] == nil {
+			err = en.WriteNil()
+			if err != nil {
+				return
+			}
+		} else {
+			err = z.TeamMembers[za0003].EncodeMsg(en)
+			if err != nil {
+				err = msgp.WrapError(err, "TeamMembers", za0003)
+				return
+			}
+		}
+	}
+	err = en.WriteBool(z.Local)
+	if err != nil {
+		err = msgp.WrapError(err, "Local")
+		return
+	}
+	return
+}
+
+// MarshalMsg implements msgp.Marshaler
+func (z *Session) MarshalMsg(b []byte) (o []byte, err error) {
+	o = msgp.Require(b, z.Msgsize())
+	// array header, size 13
+	o = append(o, 0x9d)
+	o = msgp.AppendString(o, z.Id)
+	o = msgp.AppendString(o, z.Token)
+	o = msgp.AppendInt64(o, z.CreateAt)
+	o = msgp.AppendInt64(o, z.ExpiresAt)
+	o = msgp.AppendInt64(o, z.LastActivityAt)
+	o = msgp.AppendString(o, z.UserId)
+	o = msgp.AppendString(o, z.DeviceId)
+	o = msgp.AppendString(o, z.Roles)
+	o = msgp.AppendBool(o, z.IsOAuth)
+	o = msgp.AppendBool(o, z.ExpiredNotify)
+	o = msgp.AppendMapHeader(o, uint32(len(z.Props)))
+	for za0001, za0002 := range z.Props {
+		o = msgp.AppendString(o, za0001)
+		o = msgp.AppendString(o, za0002)
+	}
+	o = msgp.AppendArrayHeader(o, uint32(len(z.TeamMembers)))
+	for za0003 := range z.TeamMembers {
+		if z.TeamMembers[za0003] == nil {
+			o = msgp.AppendNil(o)
+		} else {
+			o, err = z.TeamMembers[za0003].MarshalMsg(o)
+			if err != nil {
+				err = msgp.WrapError(err, "TeamMembers", za0003)
+				return
+			}
+		}
+	}
+	o = msgp.AppendBool(o, z.Local)
+	return
+}
+
+// UnmarshalMsg implements msgp.Unmarshaler
+func (z *Session) UnmarshalMsg(bts []byte) (o []byte, err error) {
+	var zb0001 uint32
+	zb0001, bts, err = msgp.ReadArrayHeaderBytes(bts)
+	if err != nil {
+		err = msgp.WrapError(err)
+		return
+	}
+	if zb0001 != 13 {
+		err = msgp.ArrayError{Wanted: 13, Got: zb0001}
+		return
+	}
+	z.Id, bts, err = msgp.ReadStringBytes(bts)
+	if err != nil {
+		err = msgp.WrapError(err, "Id")
+		return
+	}
+	z.Token, bts, err = msgp.ReadStringBytes(bts)
+	if err != nil {
+		err = msgp.WrapError(err, "Token")
+		return
+	}
+	z.CreateAt, bts, err = msgp.ReadInt64Bytes(bts)
+	if err != nil {
+		err = msgp.WrapError(err, "CreateAt")
+		return
+	}
+	z.ExpiresAt, bts, err = msgp.ReadInt64Bytes(bts)
+	if err != nil {
+		err = msgp.WrapError(err, "ExpiresAt")
+		return
+	}
+	z.LastActivityAt, bts, err = msgp.ReadInt64Bytes(bts)
+	if err != nil {
+		err = msgp.WrapError(err, "LastActivityAt")
+		return
+	}
+	z.UserId, bts, err = msgp.ReadStringBytes(bts)
+	if err != nil {
+		err = msgp.WrapError(err, "UserId")
+		return
+	}
+	z.DeviceId, bts, err = msgp.ReadStringBytes(bts)
+	if err != nil {
+		err = msgp.WrapError(err, "DeviceId")
+		return
+	}
+	z.Roles, bts, err = msgp.ReadStringBytes(bts)
+	if err != nil {
+		err = msgp.WrapError(err, "Roles")
+		return
+	}
+	z.IsOAuth, bts, err = msgp.ReadBoolBytes(bts)
+	if err != nil {
+		err = msgp.WrapError(err, "IsOAuth")
+		return
+	}
+	z.ExpiredNotify, bts, err = msgp.ReadBoolBytes(bts)
+	if err != nil {
+		err = msgp.WrapError(err, "ExpiredNotify")
+		return
+	}
+	var zb0002 uint32
+	zb0002, bts, err = msgp.ReadMapHeaderBytes(bts)
+	if err != nil {
+		err = msgp.WrapError(err, "Props")
+		return
+	}
+	if z.Props == nil {
+		z.Props = make(StringMap, zb0002)
+	} else if len(z.Props) > 0 {
+		for key := range z.Props {
+			delete(z.Props, key)
+		}
+	}
+	for zb0002 > 0 {
+		var za0001 string
+		var za0002 string
+		zb0002--
+		za0001, bts, err = msgp.ReadStringBytes(bts)
+		if err != nil {
+			err = msgp.WrapError(err, "Props")
+			return
+		}
+		za0002, bts, err = msgp.ReadStringBytes(bts)
+		if err != nil {
+			err = msgp.WrapError(err, "Props", za0001)
+			return
+		}
+		z.Props[za0001] = za0002
+	}
+	var zb0003 uint32
+	zb0003, bts, err = msgp.ReadArrayHeaderBytes(bts)
+	if err != nil {
+		err = msgp.WrapError(err, "TeamMembers")
+		return
+	}
+	if cap(z.TeamMembers) >= int(zb0003) {
+		z.TeamMembers = (z.TeamMembers)[:zb0003]
+	} else {
+		z.TeamMembers = make([]*TeamMember, zb0003)
+	}
+	for za0003 := range z.TeamMembers {
+		if msgp.IsNil(bts) {
+			bts, err = msgp.ReadNilBytes(bts)
+			if err != nil {
+				return
+			}
+			z.TeamMembers[za0003] = nil
+		} else {
+			if z.TeamMembers[za0003] == nil {
+				z.TeamMembers[za0003] = new(TeamMember)
+			}
+			bts, err = z.TeamMembers[za0003].UnmarshalMsg(bts)
+			if err != nil {
+				err = msgp.WrapError(err, "TeamMembers", za0003)
+				return
+			}
+		}
+	}
+	z.Local, bts, err = msgp.ReadBoolBytes(bts)
+	if err != nil {
+		err = msgp.WrapError(err, "Local")
+		return
+	}
+	o = bts
+	return
+}
+
+// Msgsize returns an upper bound estimate of the number of bytes occupied by the serialized message
+func (z *Session) Msgsize() (s int) {
+	s = 1 + msgp.StringPrefixSize + len(z.Id) + msgp.StringPrefixSize + len(z.Token) + msgp.Int64Size + msgp.Int64Size + msgp.Int64Size + msgp.StringPrefixSize + len(z.UserId) + msgp.StringPrefixSize + len(z.DeviceId) + msgp.StringPrefixSize + len(z.Roles) + msgp.BoolSize + msgp.BoolSize + msgp.MapHeaderSize
+	if z.Props != nil {
+		for za0001, za0002 := range z.Props {
+			_ = za0002
+			s += msgp.StringPrefixSize + len(za0001) + msgp.StringPrefixSize + len(za0002)
+		}
+	}
+	s += msgp.ArrayHeaderSize
+	for za0003 := range z.TeamMembers {
+		if z.TeamMembers[za0003] == nil {
+			s += msgp.NilSize
+		} else {
+			s += z.TeamMembers[za0003].Msgsize()
+		}
+	}
+	s += msgp.BoolSize
+	return
+}
+
+// DecodeMsg implements msgp.Decodable
+func (z *StringMap) DecodeMsg(dc *msgp.Reader) (err error) {
+	var zb0003 uint32
+	zb0003, err = dc.ReadMapHeader()
+	if err != nil {
+		err = msgp.WrapError(err)
+		return
+	}
+	if (*z) == nil {
+		(*z) = make(StringMap, zb0003)
+	} else if len((*z)) > 0 {
+		for key := range *z {
+			delete((*z), key)
+		}
+	}
+	for zb0003 > 0 {
+		zb0003--
+		var zb0001 string
+		var zb0002 string
+		zb0001, err = dc.ReadString()
+		if err != nil {
+			err = msgp.WrapError(err)
+			return
+		}
+		zb0002, err = dc.ReadString()
+		if err != nil {
+			err = msgp.WrapError(err, zb0001)
+			return
+		}
+		(*z)[zb0001] = zb0002
+	}
+	return
+}
+
+// EncodeMsg implements msgp.Encodable
+func (z StringMap) EncodeMsg(en *msgp.Writer) (err error) {
+	err = en.WriteMapHeader(uint32(len(z)))
+	if err != nil {
+		err = msgp.WrapError(err)
+		return
+	}
+	for zb0004, zb0005 := range z {
+		err = en.WriteString(zb0004)
+		if err != nil {
+			err = msgp.WrapError(err)
+			return
+		}
+		err = en.WriteString(zb0005)
+		if err != nil {
+			err = msgp.WrapError(err, zb0004)
+			return
+		}
+	}
+	return
+}
+
+// MarshalMsg implements msgp.Marshaler
+func (z StringMap) MarshalMsg(b []byte) (o []byte, err error) {
+	o = msgp.Require(b, z.Msgsize())
+	o = msgp.AppendMapHeader(o, uint32(len(z)))
+	for zb0004, zb0005 := range z {
+		o = msgp.AppendString(o, zb0004)
+		o = msgp.AppendString(o, zb0005)
+	}
+	return
+}
+
+// UnmarshalMsg implements msgp.Unmarshaler
+func (z *StringMap) UnmarshalMsg(bts []byte) (o []byte, err error) {
+	var zb0003 uint32
+	zb0003, bts, err = msgp.ReadMapHeaderBytes(bts)
+	if err != nil {
+		err = msgp.WrapError(err)
+		return
+	}
+	if (*z) == nil {
+		(*z) = make(StringMap, zb0003)
+	} else if len((*z)) > 0 {
+		for key := range *z {
+			delete((*z), key)
+		}
+	}
+	for zb0003 > 0 {
+		var zb0001 string
+		var zb0002 string
+		zb0003--
+		zb0001, bts, err = msgp.ReadStringBytes(bts)
+		if err != nil {
+			err = msgp.WrapError(err)
+			return
+		}
+		zb0002, bts, err = msgp.ReadStringBytes(bts)
+		if err != nil {
+			err = msgp.WrapError(err, zb0001)
+			return
+		}
+		(*z)[zb0001] = zb0002
+	}
+	o = bts
+	return
+}
+
+// Msgsize returns an upper bound estimate of the number of bytes occupied by the serialized message
+func (z StringMap) Msgsize() (s int) {
+	s = msgp.MapHeaderSize
+	if z != nil {
+		for zb0004, zb0005 := range z {
+			_ = zb0005
+			s += msgp.StringPrefixSize + len(zb0004) + msgp.StringPrefixSize + len(zb0005)
+		}
+	}
+	return
+}

vendor/github.com/mattermost/mattermost-server/v6/model/shared_channel.go

@@ -0,0 +1,249 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"net/http"
+	"unicode/utf8"
+)
+
+// SharedChannel represents a channel that can be synchronized with a remote cluster.
+// If "home" is true, then the shared channel is homed locally and "SharedChannelRemote"
+// table contains the remote clusters that have been invited.
+// If "home" is false, then the shared channel is homed remotely, and "RemoteId"
+// field points to the remote cluster connection in "RemoteClusters" table.
+type SharedChannel struct {
+	ChannelId        string      `json:"id"`
+	TeamId           string      `json:"team_id"`
+	Home             bool        `json:"home"`
+	ReadOnly         bool        `json:"readonly"`
+	ShareName        string      `json:"name"`
+	ShareDisplayName string      `json:"display_name"`
+	SharePurpose     string      `json:"purpose"`
+	ShareHeader      string      `json:"header"`
+	CreatorId        string      `json:"creator_id"`
+	CreateAt         int64       `json:"create_at"`
+	UpdateAt         int64       `json:"update_at"`
+	RemoteId         string      `json:"remote_id,omitempty"` // if not "home"
+	Type             ChannelType `db:"-"`
+}
+
+func (sc *SharedChannel) IsValid() *AppError {
+	if !IsValidId(sc.ChannelId) {
+		return NewAppError("SharedChannel.IsValid", "model.channel.is_valid.id.app_error", nil, "ChannelId="+sc.ChannelId, http.StatusBadRequest)
+	}
+
+	if sc.Type != ChannelTypeDirect && !IsValidId(sc.TeamId) {
+		return NewAppError("SharedChannel.IsValid", "model.channel.is_valid.id.app_error", nil, "TeamId="+sc.TeamId, http.StatusBadRequest)
+	}
+
+	if sc.CreateAt == 0 {
+		return NewAppError("SharedChannel.IsValid", "model.channel.is_valid.create_at.app_error", nil, "id="+sc.ChannelId, http.StatusBadRequest)
+	}
+
+	if sc.UpdateAt == 0 {
+		return NewAppError("SharedChannel.IsValid", "model.channel.is_valid.update_at.app_error", nil, "id="+sc.ChannelId, http.StatusBadRequest)
+	}
+
+	if utf8.RuneCountInString(sc.ShareDisplayName) > ChannelDisplayNameMaxRunes {
+		return NewAppError("SharedChannel.IsValid", "model.channel.is_valid.display_name.app_error", nil, "id="+sc.ChannelId, http.StatusBadRequest)
+	}
+
+	if !IsValidChannelIdentifier(sc.ShareName) {
+		return NewAppError("SharedChannel.IsValid", "model.channel.is_valid.2_or_more.app_error", nil, "id="+sc.ChannelId, http.StatusBadRequest)
+	}
+
+	if utf8.RuneCountInString(sc.ShareHeader) > ChannelHeaderMaxRunes {
+		return NewAppError("SharedChannel.IsValid", "model.channel.is_valid.header.app_error", nil, "id="+sc.ChannelId, http.StatusBadRequest)
+	}
+
+	if utf8.RuneCountInString(sc.SharePurpose) > ChannelPurposeMaxRunes {
+		return NewAppError("SharedChannel.IsValid", "model.channel.is_valid.purpose.app_error", nil, "id="+sc.ChannelId, http.StatusBadRequest)
+	}
+
+	if !IsValidId(sc.CreatorId) {
+		return NewAppError("SharedChannel.IsValid", "model.channel.is_valid.creator_id.app_error", nil, "CreatorId="+sc.CreatorId, http.StatusBadRequest)
+	}
+
+	if !sc.Home {
+		if !IsValidId(sc.RemoteId) {
+			return NewAppError("SharedChannel.IsValid", "model.channel.is_valid.id.app_error", nil, "RemoteId="+sc.RemoteId, http.StatusBadRequest)
+		}
+	}
+	return nil
+}
+
+func (sc *SharedChannel) PreSave() {
+	sc.ShareName = SanitizeUnicode(sc.ShareName)
+	sc.ShareDisplayName = SanitizeUnicode(sc.ShareDisplayName)
+
+	sc.CreateAt = GetMillis()
+	sc.UpdateAt = sc.CreateAt
+}
+
+func (sc *SharedChannel) PreUpdate() {
+	sc.UpdateAt = GetMillis()
+	sc.ShareName = SanitizeUnicode(sc.ShareName)
+	sc.ShareDisplayName = SanitizeUnicode(sc.ShareDisplayName)
+}
+
+// SharedChannelRemote represents a remote cluster that has been invited
+// to a shared channel.
+type SharedChannelRemote struct {
+	Id                string `json:"id"`
+	ChannelId         string `json:"channel_id"`
+	CreatorId         string `json:"creator_id"`
+	CreateAt          int64  `json:"create_at"`
+	UpdateAt          int64  `json:"update_at"`
+	IsInviteAccepted  bool   `json:"is_invite_accepted"`
+	IsInviteConfirmed bool   `json:"is_invite_confirmed"`
+	RemoteId          string `json:"remote_id"`
+	LastPostUpdateAt  int64  `json:"last_post_update_at"`
+	LastPostId        string `json:"last_post_id"`
+}
+
+func (sc *SharedChannelRemote) IsValid() *AppError {
+	if !IsValidId(sc.Id) {
+		return NewAppError("SharedChannelRemote.IsValid", "model.channel.is_valid.id.app_error", nil, "Id="+sc.Id, http.StatusBadRequest)
+	}
+
+	if !IsValidId(sc.ChannelId) {
+		return NewAppError("SharedChannelRemote.IsValid", "model.channel.is_valid.id.app_error", nil, "ChannelId="+sc.ChannelId, http.StatusBadRequest)
+	}
+
+	if sc.CreateAt == 0 {
+		return NewAppError("SharedChannelRemote.IsValid", "model.channel.is_valid.create_at.app_error", nil, "id="+sc.ChannelId, http.StatusBadRequest)
+	}
+
+	if sc.UpdateAt == 0 {
+		return NewAppError("SharedChannelRemote.IsValid", "model.channel.is_valid.update_at.app_error", nil, "id="+sc.ChannelId, http.StatusBadRequest)
+	}
+
+	if !IsValidId(sc.CreatorId) {
+		return NewAppError("SharedChannelRemote.IsValid", "model.channel.is_valid.creator_id.app_error", nil, "id="+sc.CreatorId, http.StatusBadRequest)
+	}
+	return nil
+}
+
+func (sc *SharedChannelRemote) PreSave() {
+	if sc.Id == "" {
+		sc.Id = NewId()
+	}
+	sc.CreateAt = GetMillis()
+	sc.UpdateAt = sc.CreateAt
+}
+
+func (sc *SharedChannelRemote) PreUpdate() {
+	sc.UpdateAt = GetMillis()
+}
+
+type SharedChannelRemoteStatus struct {
+	ChannelId        string `json:"channel_id"`
+	DisplayName      string `json:"display_name"`
+	SiteURL          string `json:"site_url"`
+	LastPingAt       int64  `json:"last_ping_at"`
+	NextSyncAt       int64  `json:"next_sync_at"`
+	ReadOnly         bool   `json:"readonly"`
+	IsInviteAccepted bool   `json:"is_invite_accepted"`
+	Token            string `json:"token"`
+}
+
+// SharedChannelUser stores a lastSyncAt timestamp on behalf of a remote cluster for
+// each user that has been synchronized.
+type SharedChannelUser struct {
+	Id         string `json:"id"`
+	UserId     string `json:"user_id"`
+	ChannelId  string `json:"channel_id"`
+	RemoteId   string `json:"remote_id"`
+	CreateAt   int64  `json:"create_at"`
+	LastSyncAt int64  `json:"last_sync_at"`
+}
+
+func (scu *SharedChannelUser) PreSave() {
+	scu.Id = NewId()
+	scu.CreateAt = GetMillis()
+}
+
+func (scu *SharedChannelUser) IsValid() *AppError {
+	if !IsValidId(scu.Id) {
+		return NewAppError("SharedChannelUser.IsValid", "model.channel.is_valid.id.app_error", nil, "Id="+scu.Id, http.StatusBadRequest)
+	}
+
+	if !IsValidId(scu.UserId) {
+		return NewAppError("SharedChannelUser.IsValid", "model.channel.is_valid.id.app_error", nil, "UserId="+scu.UserId, http.StatusBadRequest)
+	}
+
+	if !IsValidId(scu.ChannelId) {
+		return NewAppError("SharedChannelUser.IsValid", "model.channel.is_valid.id.app_error", nil, "ChannelId="+scu.ChannelId, http.StatusBadRequest)
+	}
+
+	if !IsValidId(scu.RemoteId) {
+		return NewAppError("SharedChannelUser.IsValid", "model.channel.is_valid.id.app_error", nil, "RemoteId="+scu.RemoteId, http.StatusBadRequest)
+	}
+
+	if scu.CreateAt == 0 {
+		return NewAppError("SharedChannelUser.IsValid", "model.channel.is_valid.create_at.app_error", nil, "", http.StatusBadRequest)
+	}
+	return nil
+}
+
+type GetUsersForSyncFilter struct {
+	CheckProfileImage bool
+	ChannelID         string
+	Limit             uint64
+}
+
+// SharedChannelAttachment stores a lastSyncAt timestamp on behalf of a remote cluster for
+// each file attachment that has been synchronized.
+type SharedChannelAttachment struct {
+	Id         string `json:"id"`
+	FileId     string `json:"file_id"`
+	RemoteId   string `json:"remote_id"`
+	CreateAt   int64  `json:"create_at"`
+	LastSyncAt int64  `json:"last_sync_at"`
+}
+
+func (scf *SharedChannelAttachment) PreSave() {
+	if scf.Id == "" {
+		scf.Id = NewId()
+	}
+	if scf.CreateAt == 0 {
+		scf.CreateAt = GetMillis()
+		scf.LastSyncAt = scf.CreateAt
+	} else {
+		scf.LastSyncAt = GetMillis()
+	}
+}
+
+func (scf *SharedChannelAttachment) IsValid() *AppError {
+	if !IsValidId(scf.Id) {
+		return NewAppError("SharedChannelAttachment.IsValid", "model.channel.is_valid.id.app_error", nil, "Id="+scf.Id, http.StatusBadRequest)
+	}
+
+	if !IsValidId(scf.FileId) {
+		return NewAppError("SharedChannelAttachment.IsValid", "model.channel.is_valid.id.app_error", nil, "FileId="+scf.FileId, http.StatusBadRequest)
+	}
+
+	if !IsValidId(scf.RemoteId) {
+		return NewAppError("SharedChannelAttachment.IsValid", "model.channel.is_valid.id.app_error", nil, "RemoteId="+scf.RemoteId, http.StatusBadRequest)
+	}
+
+	if scf.CreateAt == 0 {
+		return NewAppError("SharedChannelAttachment.IsValid", "model.channel.is_valid.create_at.app_error", nil, "", http.StatusBadRequest)
+	}
+	return nil
+}
+
+type SharedChannelFilterOpts struct {
+	TeamId        string
+	CreatorId     string
+	ExcludeHome   bool
+	ExcludeRemote bool
+}
+
+type SharedChannelRemoteFilterOpts struct {
+	ChannelId       string
+	RemoteId        string
+	InclUnconfirmed bool
+}

vendor/github.com/mattermost/mattermost-server/v6/model/slack_attachment.go

@@ -0,0 +1,196 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"fmt"
+	"regexp"
+)
+
+var linkWithTextRegex = regexp.MustCompile(`<([^<\|]+)\|([^>]+)>`)
+
+type SlackAttachment struct {
+	Id         int64                   `json:"id"`
+	Fallback   string                  `json:"fallback"`
+	Color      string                  `json:"color"`
+	Pretext    string                  `json:"pretext"`
+	AuthorName string                  `json:"author_name"`
+	AuthorLink string                  `json:"author_link"`
+	AuthorIcon string                  `json:"author_icon"`
+	Title      string                  `json:"title"`
+	TitleLink  string                  `json:"title_link"`
+	Text       string                  `json:"text"`
+	Fields     []*SlackAttachmentField `json:"fields"`
+	ImageURL   string                  `json:"image_url"`
+	ThumbURL   string                  `json:"thumb_url"`
+	Footer     string                  `json:"footer"`
+	FooterIcon string                  `json:"footer_icon"`
+	Timestamp  interface{}             `json:"ts"` // This is either a string or an int64
+	Actions    []*PostAction           `json:"actions,omitempty"`
+}
+
+func (s *SlackAttachment) Equals(input *SlackAttachment) bool {
+	// Direct comparison of simple types
+
+	if s.Id != input.Id {
+		return false
+	}
+
+	if s.Fallback != input.Fallback {
+		return false
+	}
+
+	if s.Color != input.Color {
+		return false
+	}
+
+	if s.Pretext != input.Pretext {
+		return false
+	}
+
+	if s.AuthorName != input.AuthorName {
+		return false
+	}
+
+	if s.AuthorLink != input.AuthorLink {
+		return false
+	}
+
+	if s.AuthorIcon != input.AuthorIcon {
+		return false
+	}
+
+	if s.Title != input.Title {
+		return false
+	}
+
+	if s.TitleLink != input.TitleLink {
+		return false
+	}
+
+	if s.Text != input.Text {
+		return false
+	}
+
+	if s.ImageURL != input.ImageURL {
+		return false
+	}
+
+	if s.ThumbURL != input.ThumbURL {
+		return false
+	}
+
+	if s.Footer != input.Footer {
+		return false
+	}
+
+	if s.FooterIcon != input.FooterIcon {
+		return false
+	}
+
+	// Compare length & slice values of fields
+	if len(s.Fields) != len(input.Fields) {
+		return false
+	}
+
+	for j := range s.Fields {
+		if !s.Fields[j].Equals(input.Fields[j]) {
+			return false
+		}
+	}
+
+	// Compare length & slice values of actions
+	if len(s.Actions) != len(input.Actions) {
+		return false
+	}
+
+	for j := range s.Actions {
+		if !s.Actions[j].Equals(input.Actions[j]) {
+			return false
+		}
+	}
+
+	return s.Timestamp == input.Timestamp
+}
+
+type SlackAttachmentField struct {
+	Title string              `json:"title"`
+	Value interface{}         `json:"value"`
+	Short SlackCompatibleBool `json:"short"`
+}
+
+func (s *SlackAttachmentField) Equals(input *SlackAttachmentField) bool {
+	if s.Title != input.Title {
+		return false
+	}
+
+	if s.Value != input.Value {
+		return false
+	}
+
+	if s.Short != input.Short {
+		return false
+	}
+
+	return true
+}
+
+func StringifySlackFieldValue(a []*SlackAttachment) []*SlackAttachment {
+	var nonNilAttachments []*SlackAttachment
+	for _, attachment := range a {
+		if attachment == nil {
+			continue
+		}
+		nonNilAttachments = append(nonNilAttachments, attachment)
+
+		var nonNilFields []*SlackAttachmentField
+		for _, field := range attachment.Fields {
+			if field == nil {
+				continue
+			}
+			nonNilFields = append(nonNilFields, field)
+
+			if field.Value != nil {
+				// Ensure the value is set to a string if it is set
+				field.Value = fmt.Sprintf("%v", field.Value)
+			}
+		}
+		attachment.Fields = nonNilFields
+	}
+	return nonNilAttachments
+}
+
+// This method only parses and processes the attachments,
+// all else should be set in the post which is passed
+func ParseSlackAttachment(post *Post, attachments []*SlackAttachment) {
+	if post.Type == "" {
+		post.Type = PostTypeSlackAttachment
+	}
+
+	postAttachments := []*SlackAttachment{}
+
+	for _, attachment := range attachments {
+		if attachment == nil {
+			continue
+		}
+
+		attachment.Text = ParseSlackLinksToMarkdown(attachment.Text)
+		attachment.Pretext = ParseSlackLinksToMarkdown(attachment.Pretext)
+
+		for _, field := range attachment.Fields {
+			if field == nil {
+				continue
+			}
+			if value, ok := field.Value.(string); ok {
+				field.Value = ParseSlackLinksToMarkdown(value)
+			}
+		}
+		postAttachments = append(postAttachments, attachment)
+	}
+	post.AddProp("attachments", postAttachments)
+}
+
+func ParseSlackLinksToMarkdown(text string) string {
+	return linkWithTextRegex.ReplaceAllString(text, "[${2}](${1})")
+}

vendor/github.com/mattermost/mattermost-server/v6/model/slack_compatibility.go

@@ -0,0 +1,30 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"fmt"
+	"strings"
+)
+
+// SlackCompatibleBool is an alias for bool that implements json.Unmarshaler
+type SlackCompatibleBool bool
+
+// UnmarshalJSON implements json.Unmarshaler
+//
+// Slack allows bool values to be represented as strings ("true"/"false") or
+// literals (true/false). To maintain compatibility, we define an Unmarshaler
+// that supports both.
+func (b *SlackCompatibleBool) UnmarshalJSON(data []byte) error {
+	value := strings.ToLower(string(data))
+	if value == "true" || value == `"true"` {
+		*b = true
+	} else if value == "false" || value == `"false"` {
+		*b = false
+	} else {
+		return fmt.Errorf("unmarshal: unable to convert %s to bool", data)
+	}
+
+	return nil
+}

vendor/github.com/mattermost/mattermost-server/v6/model/status.go

@@ -0,0 +1,55 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+)
+
+const (
+	StatusOutOfOffice    = "ooo"
+	StatusOffline        = "offline"
+	StatusAway           = "away"
+	StatusDnd            = "dnd"
+	StatusOnline         = "online"
+	StatusCacheSize      = SessionCacheSize
+	StatusChannelTimeout = 20000  // 20 seconds
+	StatusMinUpdateTime  = 120000 // 2 minutes
+)
+
+type Status struct {
+	UserId         string `json:"user_id"`
+	Status         string `json:"status"`
+	Manual         bool   `json:"manual"`
+	LastActivityAt int64  `json:"last_activity_at"`
+	ActiveChannel  string `json:"active_channel,omitempty" db:"-"`
+	DNDEndTime     int64  `json:"dnd_end_time"`
+	PrevStatus     string `json:"-"`
+}
+
+func (s *Status) ToJSON() ([]byte, error) {
+	sCopy := *s
+	sCopy.ActiveChannel = ""
+	return json.Marshal(sCopy)
+}
+
+func StatusListToJSON(u []*Status) ([]byte, error) {
+	list := make([]Status, len(u))
+	for i, s := range u {
+		list[i] = *s
+		list[i].ActiveChannel = ""
+	}
+	return json.Marshal(list)
+}
+
+func StatusMapToInterfaceMap(statusMap map[string]*Status) map[string]interface{} {
+	interfaceMap := map[string]interface{}{}
+	for _, s := range statusMap {
+		// Omitted statues mean offline
+		if s.Status != StatusOffline {
+			interfaceMap[s.UserId] = s.Status
+		}
+	}
+	return interfaceMap
+}

vendor/github.com/mattermost/mattermost-server/v6/model/suggest_command.go

@@ -0,0 +1,9 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+type SuggestCommand struct {
+	Suggestion  string `json:"suggestion"`
+	Description string `json:"description"`
+}