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matterbridge/vendor/github.com/mattermost/platform/model/post.go

395 lines
10 KiB
Go

// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
// See License.txt for license information.
package model
import (
"encoding/json"
"io"
"net/http"
"regexp"
"strings"
"unicode/utf8"
)
const (
POST_SYSTEM_MESSAGE_PREFIX = "system_"
POST_DEFAULT = ""
POST_SLACK_ATTACHMENT = "slack_attachment"
POST_SYSTEM_GENERIC = "system_generic"
POST_JOIN_LEAVE = "system_join_leave" // Deprecated, use POST_JOIN_CHANNEL or POST_LEAVE_CHANNEL instead
POST_JOIN_CHANNEL = "system_join_channel"
POST_LEAVE_CHANNEL = "system_leave_channel"
POST_JOIN_TEAM = "system_join_team"
POST_LEAVE_TEAM = "system_leave_team"
POST_ADD_REMOVE = "system_add_remove" // Deprecated, use POST_ADD_TO_CHANNEL or POST_REMOVE_FROM_CHANNEL instead
POST_ADD_TO_CHANNEL = "system_add_to_channel"
POST_REMOVE_FROM_CHANNEL = "system_remove_from_channel"
POST_ADD_TO_TEAM = "system_add_to_team"
POST_REMOVE_FROM_TEAM = "system_remove_from_team"
POST_HEADER_CHANGE = "system_header_change"
POST_DISPLAYNAME_CHANGE = "system_displayname_change"
POST_PURPOSE_CHANGE = "system_purpose_change"
POST_CHANNEL_DELETED = "system_channel_deleted"
POST_EPHEMERAL = "system_ephemeral"
POST_FILEIDS_MAX_RUNES = 150
POST_FILENAMES_MAX_RUNES = 4000
POST_HASHTAGS_MAX_RUNES = 1000
POST_MESSAGE_MAX_RUNES = 4000
POST_PROPS_MAX_RUNES = 8000
POST_PROPS_MAX_USER_RUNES = POST_PROPS_MAX_RUNES - 400 // Leave some room for system / pre-save modifications
POST_CUSTOM_TYPE_PREFIX = "custom_"
PROPS_ADD_CHANNEL_MEMBER = "add_channel_member"
)
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"`
ParentId string `json:"parent_id"`
OriginalId string `json:"original_id"`
Message string `json:"message"`
Type string `json:"type"`
Props StringInterface `json:"props"`
Hashtags string `json:"hashtags"`
Filenames StringArray `json:"filenames,omitempty"` // 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"`
}
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 PostForIndexing struct {
Post
TeamId string `json:"team_id"`
ParentCreateAt *int64 `json:"parent_create_at"`
}
type PostAction struct {
Id string `json:"id"`
Name string `json:"name"`
Integration *PostActionIntegration `json:"integration,omitempty"`
}
type PostActionIntegration struct {
URL string `json:"url,omitempty"`
Context StringInterface `json:"context,omitempty"`
}
type PostActionIntegrationRequest struct {
UserId string `json:"user_id"`
Context StringInterface `json:"context,omitempty"`
}
type PostActionIntegrationResponse struct {
Update *Post `json:"update"`
EphemeralText string `json:"ephemeral_text"`
}
func (o *Post) ToJson() string {
copy := *o
copy.StripActionIntegrations()
b, err := json.Marshal(&copy)
if err != nil {
return ""
} else {
return string(b)
}
}
func PostFromJson(data io.Reader) *Post {
decoder := json.NewDecoder(data)
var o Post
err := decoder.Decode(&o)
if err == nil {
return &o
} else {
return nil
}
}
func (o *Post) Etag() string {
return Etag(o.Id, o.UpdateAt)
}
func (o *Post) IsValid() *AppError {
if len(o.Id) != 26 {
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 len(o.UserId) != 26 {
return NewAppError("Post.IsValid", "model.post.is_valid.user_id.app_error", nil, "", http.StatusBadRequest)
}
if len(o.ChannelId) != 26 {
return NewAppError("Post.IsValid", "model.post.is_valid.channel_id.app_error", nil, "", http.StatusBadRequest)
}
if !(len(o.RootId) == 26 || len(o.RootId) == 0) {
return NewAppError("Post.IsValid", "model.post.is_valid.root_id.app_error", nil, "", http.StatusBadRequest)
}
if !(len(o.ParentId) == 26 || len(o.ParentId) == 0) {
return NewAppError("Post.IsValid", "model.post.is_valid.parent_id.app_error", nil, "", http.StatusBadRequest)
}
if len(o.ParentId) == 26 && len(o.RootId) == 0 {
return NewAppError("Post.IsValid", "model.post.is_valid.root_parent.app_error", nil, "", http.StatusBadRequest)
}
if !(len(o.OriginalId) == 26 || len(o.OriginalId) == 0) {
return NewAppError("Post.IsValid", "model.post.is_valid.original_id.app_error", nil, "", http.StatusBadRequest)
}
if utf8.RuneCountInString(o.Message) > POST_MESSAGE_MAX_RUNES {
return NewAppError("Post.IsValid", "model.post.is_valid.msg.app_error", nil, "id="+o.Id, http.StatusBadRequest)
}
if utf8.RuneCountInString(o.Hashtags) > POST_HASHTAGS_MAX_RUNES {
return NewAppError("Post.IsValid", "model.post.is_valid.hashtags.app_error", nil, "id="+o.Id, http.StatusBadRequest)
}
switch o.Type {
case
POST_DEFAULT,
POST_JOIN_LEAVE,
POST_ADD_REMOVE,
POST_JOIN_CHANNEL,
POST_LEAVE_CHANNEL,
POST_JOIN_TEAM,
POST_LEAVE_TEAM,
POST_ADD_TO_CHANNEL,
POST_REMOVE_FROM_CHANNEL,
POST_ADD_TO_TEAM,
POST_REMOVE_FROM_TEAM,
POST_SLACK_ATTACHMENT,
POST_HEADER_CHANGE,
POST_PURPOSE_CHANGE,
POST_DISPLAYNAME_CHANGE,
POST_CHANNEL_DELETED:
default:
if !strings.HasPrefix(o.Type, POST_CUSTOM_TYPE_PREFIX) {
return NewAppError("Post.IsValid", "model.post.is_valid.type.app_error", nil, "id="+o.Type, http.StatusBadRequest)
}
}
if utf8.RuneCountInString(ArrayToJson(o.Filenames)) > POST_FILENAMES_MAX_RUNES {
return NewAppError("Post.IsValid", "model.post.is_valid.filenames.app_error", nil, "id="+o.Id, http.StatusBadRequest)
}
if utf8.RuneCountInString(ArrayToJson(o.FileIds)) > POST_FILEIDS_MAX_RUNES {
return NewAppError("Post.IsValid", "model.post.is_valid.file_ids.app_error", nil, "id="+o.Id, http.StatusBadRequest)
}
if utf8.RuneCountInString(StringInterfaceToJson(o.Props)) > POST_PROPS_MAX_RUNES {
return NewAppError("Post.IsValid", "model.post.is_valid.props.app_error", nil, "id="+o.Id, http.StatusBadRequest)
}
return nil
}
func (o *Post) SanitizeProps() {
membersToSanitize := []string{
PROPS_ADD_CHANNEL_MEMBER,
}
for _, member := range membersToSanitize {
if _, ok := o.Props[member]; ok {
delete(o.Props, member)
}
}
}
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.Props == nil {
o.Props = make(map[string]interface{})
}
if o.Filenames == nil {
o.Filenames = []string{}
}
if o.FileIds == nil {
o.FileIds = []string{}
}
o.GenerateActionIds()
}
func (o *Post) MakeNonNil() {
if o.Props == nil {
o.Props = make(map[string]interface{})
}
}
func (o *Post) AddProp(key string, value interface{}) {
o.MakeNonNil()
o.Props[key] = value
}
func (o *Post) IsSystemMessage() bool {
return len(o.Type) >= len(POST_SYSTEM_MESSAGE_PREFIX) && o.Type[:len(POST_SYSTEM_MESSAGE_PREFIX)] == POST_SYSTEM_MESSAGE_PREFIX
}
func (p *Post) Patch(patch *PostPatch) {
if patch.IsPinned != nil {
p.IsPinned = *patch.IsPinned
}
if patch.Message != nil {
p.Message = *patch.Message
}
if patch.Props != nil {
p.Props = *patch.Props
}
if patch.FileIds != nil {
p.FileIds = *patch.FileIds
}
if patch.HasReactions != nil {
p.HasReactions = *patch.HasReactions
}
}
func (o *PostPatch) ToJson() string {
b, err := json.Marshal(o)
if err != nil {
return ""
}
return string(b)
}
func PostPatchFromJson(data io.Reader) *PostPatch {
decoder := json.NewDecoder(data)
var post PostPatch
err := decoder.Decode(&post)
if err != nil {
return nil
}
return &post
}
var channelMentionRegexp = regexp.MustCompile(`\B~[a-zA-Z0-9\-_]+`)
func (o *Post) ChannelMentions() (names []string) {
if strings.Contains(o.Message, "~") {
alreadyMentioned := make(map[string]bool)
for _, match := range channelMentionRegexp.FindAllString(o.Message, -1) {
name := match[1:]
if !alreadyMentioned[name] {
names = append(names, name)
alreadyMentioned[name] = true
}
}
}
return
}
func (r *PostActionIntegrationRequest) ToJson() string {
b, err := json.Marshal(r)
if err != nil {
return ""
} else {
return string(b)
}
}
func (o *Post) Attachments() []*SlackAttachment {
if attachments, ok := o.Props["attachments"].([]*SlackAttachment); ok {
return attachments
}
var ret []*SlackAttachment
if attachments, ok := o.Props["attachments"].([]interface{}); ok {
for _, attachment := range attachments {
if enc, err := json.Marshal(attachment); err == nil {
var decoded SlackAttachment
if json.Unmarshal(enc, &decoded) == nil {
ret = append(ret, &decoded)
}
}
}
}
return ret
}
func (o *Post) StripActionIntegrations() {
attachments := o.Attachments()
if o.Props["attachments"] != nil {
o.Props["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.Id == id {
return action
}
}
}
return nil
}
func (o *Post) GenerateActionIds() {
if o.Props["attachments"] != nil {
o.Props["attachments"] = o.Attachments()
}
if attachments, ok := o.Props["attachments"].([]*SlackAttachment); ok {
for _, attachment := range attachments {
for _, action := range attachment.Actions {
if action.Id == "" {
action.Id = NewId()
}
}
}
}
}