mirror of
https://github.com/cwinfo/matterbridge.git
synced 2024-11-23 14:01:35 +00:00
395 lines
10 KiB
Go
395 lines
10 KiB
Go
// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
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// See License.txt for license information.
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package model
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import (
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"encoding/json"
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"io"
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"net/http"
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"regexp"
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"strings"
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"unicode/utf8"
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)
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const (
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POST_SYSTEM_MESSAGE_PREFIX = "system_"
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POST_DEFAULT = ""
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POST_SLACK_ATTACHMENT = "slack_attachment"
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POST_SYSTEM_GENERIC = "system_generic"
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POST_JOIN_LEAVE = "system_join_leave" // Deprecated, use POST_JOIN_CHANNEL or POST_LEAVE_CHANNEL instead
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POST_JOIN_CHANNEL = "system_join_channel"
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POST_LEAVE_CHANNEL = "system_leave_channel"
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POST_JOIN_TEAM = "system_join_team"
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POST_LEAVE_TEAM = "system_leave_team"
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POST_ADD_REMOVE = "system_add_remove" // Deprecated, use POST_ADD_TO_CHANNEL or POST_REMOVE_FROM_CHANNEL instead
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POST_ADD_TO_CHANNEL = "system_add_to_channel"
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POST_REMOVE_FROM_CHANNEL = "system_remove_from_channel"
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POST_ADD_TO_TEAM = "system_add_to_team"
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POST_REMOVE_FROM_TEAM = "system_remove_from_team"
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POST_HEADER_CHANGE = "system_header_change"
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POST_DISPLAYNAME_CHANGE = "system_displayname_change"
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POST_PURPOSE_CHANGE = "system_purpose_change"
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POST_CHANNEL_DELETED = "system_channel_deleted"
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POST_EPHEMERAL = "system_ephemeral"
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POST_FILEIDS_MAX_RUNES = 150
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POST_FILENAMES_MAX_RUNES = 4000
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POST_HASHTAGS_MAX_RUNES = 1000
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POST_MESSAGE_MAX_RUNES = 4000
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POST_PROPS_MAX_RUNES = 8000
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POST_PROPS_MAX_USER_RUNES = POST_PROPS_MAX_RUNES - 400 // Leave some room for system / pre-save modifications
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POST_CUSTOM_TYPE_PREFIX = "custom_"
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PROPS_ADD_CHANNEL_MEMBER = "add_channel_member"
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)
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type Post struct {
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Id string `json:"id"`
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CreateAt int64 `json:"create_at"`
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UpdateAt int64 `json:"update_at"`
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EditAt int64 `json:"edit_at"`
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DeleteAt int64 `json:"delete_at"`
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IsPinned bool `json:"is_pinned"`
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UserId string `json:"user_id"`
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ChannelId string `json:"channel_id"`
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RootId string `json:"root_id"`
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ParentId string `json:"parent_id"`
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OriginalId string `json:"original_id"`
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Message string `json:"message"`
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Type string `json:"type"`
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Props StringInterface `json:"props"`
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Hashtags string `json:"hashtags"`
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Filenames StringArray `json:"filenames,omitempty"` // Deprecated, do not use this field any more
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FileIds StringArray `json:"file_ids,omitempty"`
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PendingPostId string `json:"pending_post_id" db:"-"`
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HasReactions bool `json:"has_reactions,omitempty"`
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}
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type PostPatch struct {
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IsPinned *bool `json:"is_pinned"`
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Message *string `json:"message"`
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Props *StringInterface `json:"props"`
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FileIds *StringArray `json:"file_ids"`
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HasReactions *bool `json:"has_reactions"`
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}
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type PostForIndexing struct {
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Post
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TeamId string `json:"team_id"`
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ParentCreateAt *int64 `json:"parent_create_at"`
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}
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type PostAction struct {
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Id string `json:"id"`
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Name string `json:"name"`
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Integration *PostActionIntegration `json:"integration,omitempty"`
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}
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type PostActionIntegration struct {
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URL string `json:"url,omitempty"`
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Context StringInterface `json:"context,omitempty"`
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}
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type PostActionIntegrationRequest struct {
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UserId string `json:"user_id"`
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Context StringInterface `json:"context,omitempty"`
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}
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type PostActionIntegrationResponse struct {
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Update *Post `json:"update"`
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EphemeralText string `json:"ephemeral_text"`
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}
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func (o *Post) ToJson() string {
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copy := *o
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copy.StripActionIntegrations()
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b, err := json.Marshal(©)
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if err != nil {
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return ""
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} else {
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return string(b)
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}
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}
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func PostFromJson(data io.Reader) *Post {
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decoder := json.NewDecoder(data)
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var o Post
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err := decoder.Decode(&o)
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if err == nil {
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return &o
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} else {
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return nil
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}
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}
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func (o *Post) Etag() string {
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return Etag(o.Id, o.UpdateAt)
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}
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func (o *Post) IsValid() *AppError {
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if len(o.Id) != 26 {
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return NewAppError("Post.IsValid", "model.post.is_valid.id.app_error", nil, "", http.StatusBadRequest)
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}
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if o.CreateAt == 0 {
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return NewAppError("Post.IsValid", "model.post.is_valid.create_at.app_error", nil, "id="+o.Id, http.StatusBadRequest)
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}
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if o.UpdateAt == 0 {
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return NewAppError("Post.IsValid", "model.post.is_valid.update_at.app_error", nil, "id="+o.Id, http.StatusBadRequest)
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}
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if len(o.UserId) != 26 {
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return NewAppError("Post.IsValid", "model.post.is_valid.user_id.app_error", nil, "", http.StatusBadRequest)
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}
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if len(o.ChannelId) != 26 {
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return NewAppError("Post.IsValid", "model.post.is_valid.channel_id.app_error", nil, "", http.StatusBadRequest)
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}
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if !(len(o.RootId) == 26 || len(o.RootId) == 0) {
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return NewAppError("Post.IsValid", "model.post.is_valid.root_id.app_error", nil, "", http.StatusBadRequest)
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}
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if !(len(o.ParentId) == 26 || len(o.ParentId) == 0) {
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return NewAppError("Post.IsValid", "model.post.is_valid.parent_id.app_error", nil, "", http.StatusBadRequest)
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}
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if len(o.ParentId) == 26 && len(o.RootId) == 0 {
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return NewAppError("Post.IsValid", "model.post.is_valid.root_parent.app_error", nil, "", http.StatusBadRequest)
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}
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if !(len(o.OriginalId) == 26 || len(o.OriginalId) == 0) {
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return NewAppError("Post.IsValid", "model.post.is_valid.original_id.app_error", nil, "", http.StatusBadRequest)
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}
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if utf8.RuneCountInString(o.Message) > POST_MESSAGE_MAX_RUNES {
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return NewAppError("Post.IsValid", "model.post.is_valid.msg.app_error", nil, "id="+o.Id, http.StatusBadRequest)
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}
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if utf8.RuneCountInString(o.Hashtags) > POST_HASHTAGS_MAX_RUNES {
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return NewAppError("Post.IsValid", "model.post.is_valid.hashtags.app_error", nil, "id="+o.Id, http.StatusBadRequest)
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}
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switch o.Type {
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case
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POST_DEFAULT,
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POST_JOIN_LEAVE,
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POST_ADD_REMOVE,
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POST_JOIN_CHANNEL,
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POST_LEAVE_CHANNEL,
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POST_JOIN_TEAM,
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POST_LEAVE_TEAM,
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POST_ADD_TO_CHANNEL,
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POST_REMOVE_FROM_CHANNEL,
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POST_ADD_TO_TEAM,
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POST_REMOVE_FROM_TEAM,
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POST_SLACK_ATTACHMENT,
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POST_HEADER_CHANGE,
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POST_PURPOSE_CHANGE,
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POST_DISPLAYNAME_CHANGE,
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POST_CHANNEL_DELETED:
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default:
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if !strings.HasPrefix(o.Type, POST_CUSTOM_TYPE_PREFIX) {
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return NewAppError("Post.IsValid", "model.post.is_valid.type.app_error", nil, "id="+o.Type, http.StatusBadRequest)
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}
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}
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if utf8.RuneCountInString(ArrayToJson(o.Filenames)) > POST_FILENAMES_MAX_RUNES {
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return NewAppError("Post.IsValid", "model.post.is_valid.filenames.app_error", nil, "id="+o.Id, http.StatusBadRequest)
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}
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if utf8.RuneCountInString(ArrayToJson(o.FileIds)) > POST_FILEIDS_MAX_RUNES {
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return NewAppError("Post.IsValid", "model.post.is_valid.file_ids.app_error", nil, "id="+o.Id, http.StatusBadRequest)
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}
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if utf8.RuneCountInString(StringInterfaceToJson(o.Props)) > POST_PROPS_MAX_RUNES {
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return NewAppError("Post.IsValid", "model.post.is_valid.props.app_error", nil, "id="+o.Id, http.StatusBadRequest)
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}
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return nil
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}
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func (o *Post) SanitizeProps() {
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membersToSanitize := []string{
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PROPS_ADD_CHANNEL_MEMBER,
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}
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for _, member := range membersToSanitize {
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if _, ok := o.Props[member]; ok {
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delete(o.Props, member)
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}
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}
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}
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func (o *Post) PreSave() {
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if o.Id == "" {
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o.Id = NewId()
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}
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o.OriginalId = ""
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if o.CreateAt == 0 {
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o.CreateAt = GetMillis()
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}
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o.UpdateAt = o.CreateAt
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o.PreCommit()
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}
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func (o *Post) PreCommit() {
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if o.Props == nil {
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o.Props = make(map[string]interface{})
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}
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if o.Filenames == nil {
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o.Filenames = []string{}
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}
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if o.FileIds == nil {
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o.FileIds = []string{}
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}
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o.GenerateActionIds()
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}
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func (o *Post) MakeNonNil() {
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if o.Props == nil {
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o.Props = make(map[string]interface{})
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}
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}
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func (o *Post) AddProp(key string, value interface{}) {
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o.MakeNonNil()
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o.Props[key] = value
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}
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func (o *Post) IsSystemMessage() bool {
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return len(o.Type) >= len(POST_SYSTEM_MESSAGE_PREFIX) && o.Type[:len(POST_SYSTEM_MESSAGE_PREFIX)] == POST_SYSTEM_MESSAGE_PREFIX
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}
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func (p *Post) Patch(patch *PostPatch) {
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if patch.IsPinned != nil {
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p.IsPinned = *patch.IsPinned
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}
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if patch.Message != nil {
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p.Message = *patch.Message
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}
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if patch.Props != nil {
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p.Props = *patch.Props
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}
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if patch.FileIds != nil {
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p.FileIds = *patch.FileIds
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}
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if patch.HasReactions != nil {
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p.HasReactions = *patch.HasReactions
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}
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}
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func (o *PostPatch) ToJson() string {
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b, err := json.Marshal(o)
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if err != nil {
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return ""
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}
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return string(b)
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}
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func PostPatchFromJson(data io.Reader) *PostPatch {
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decoder := json.NewDecoder(data)
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var post PostPatch
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err := decoder.Decode(&post)
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if err != nil {
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return nil
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}
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return &post
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}
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var channelMentionRegexp = regexp.MustCompile(`\B~[a-zA-Z0-9\-_]+`)
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func (o *Post) ChannelMentions() (names []string) {
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if strings.Contains(o.Message, "~") {
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alreadyMentioned := make(map[string]bool)
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for _, match := range channelMentionRegexp.FindAllString(o.Message, -1) {
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name := match[1:]
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if !alreadyMentioned[name] {
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names = append(names, name)
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alreadyMentioned[name] = true
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}
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}
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}
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return
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}
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func (r *PostActionIntegrationRequest) ToJson() string {
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b, err := json.Marshal(r)
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if err != nil {
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return ""
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} else {
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return string(b)
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}
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}
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func (o *Post) Attachments() []*SlackAttachment {
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if attachments, ok := o.Props["attachments"].([]*SlackAttachment); ok {
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return attachments
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}
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var ret []*SlackAttachment
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if attachments, ok := o.Props["attachments"].([]interface{}); ok {
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for _, attachment := range attachments {
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if enc, err := json.Marshal(attachment); err == nil {
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var decoded SlackAttachment
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if json.Unmarshal(enc, &decoded) == nil {
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ret = append(ret, &decoded)
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}
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}
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}
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}
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return ret
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}
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func (o *Post) StripActionIntegrations() {
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attachments := o.Attachments()
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if o.Props["attachments"] != nil {
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o.Props["attachments"] = attachments
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}
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for _, attachment := range attachments {
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for _, action := range attachment.Actions {
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action.Integration = nil
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}
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}
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}
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func (o *Post) GetAction(id string) *PostAction {
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for _, attachment := range o.Attachments() {
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for _, action := range attachment.Actions {
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if action.Id == id {
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return action
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}
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}
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}
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return nil
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}
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func (o *Post) GenerateActionIds() {
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if o.Props["attachments"] != nil {
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o.Props["attachments"] = o.Attachments()
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}
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if attachments, ok := o.Props["attachments"].([]*SlackAttachment); ok {
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for _, attachment := range attachments {
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for _, action := range attachment.Actions {
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if action.Id == "" {
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action.Id = NewId()
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}
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}
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}
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}
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}
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