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package gomatrix
import (
"html"
"regexp"
)
// Event represents a single Matrix event.
type Event struct {
StateKey *string `json:"state_key,omitempty"` // The state key for the event. Only present on State Events.
Sender string `json:"sender"` // The user ID of the sender of the event
Type string `json:"type"` // The event type
Timestamp int64 `json:"origin_server_ts"` // The unix timestamp when this message was sent by the origin server
ID string `json:"event_id"` // The unique ID of this event
RoomID string `json:"room_id"` // The room the event was sent to. May be nil (e.g. for presence)
Content map[string]interface{} `json:"content"` // The JSON content of the event.
Redacts string `json:"redacts,omitempty"` // The event ID that was redacted if a m.room.redaction event
}
// Body returns the value of the "body" key in the event content if it is
// present and is a string.
func (event *Event) Body() (body string, ok bool) {
value, exists := event.Content["body"]
if !exists {
return
}
body, ok = value.(string)
return
}
// MessageType returns the value of the "msgtype" key in the event content if
// it is present and is a string.
func (event *Event) MessageType() (msgtype string, ok bool) {
value, exists := event.Content["msgtype"]
if !exists {
return
}
msgtype, ok = value.(string)
return
}
// TextMessage is the contents of a Matrix formated message event.
type TextMessage struct {
MsgType string `json:"msgtype"`
Body string `json:"body"`
Format string `json:"format,omitempty"`
FormattedBody string `json:"formatted_body,omitempty"`
}
// ImageInfo contains info about an image - http://matrix.org/docs/spec/client_server/r0.2.0.html#m-image
type ImageInfo struct {
Height uint `json:"h,omitempty"`
Width uint `json:"w,omitempty"`
Mimetype string `json:"mimetype,omitempty"`
Size uint `json:"size,omitempty"`
}
// VideoInfo contains info about a video - http://matrix.org/docs/spec/client_server/r0.2.0.html#m-video
type VideoInfo struct {
Mimetype string `json:"mimetype,omitempty"`
ThumbnailInfo ImageInfo `json:"thumbnail_info"`
ThumbnailURL string `json:"thumbnail_url,omitempty"`
Height uint `json:"h,omitempty"`
Width uint `json:"w,omitempty"`
Duration uint `json:"duration,omitempty"`
Size uint `json:"size,omitempty"`
}
// VideoMessage is an m.video - http://matrix.org/docs/spec/client_server/r0.2.0.html#m-video
type VideoMessage struct {
MsgType string `json:"msgtype"`
Body string `json:"body"`
URL string `json:"url"`
Info VideoInfo `json:"info"`
}
// ImageMessage is an m.image event
type ImageMessage struct {
MsgType string `json:"msgtype"`
Body string `json:"body"`
URL string `json:"url"`
Info ImageInfo `json:"info"`
}
// An HTMLMessage is the contents of a Matrix HTML formated message event.
type HTMLMessage struct {
Body string `json:"body"`
MsgType string `json:"msgtype"`
Format string `json:"format"`
FormattedBody string `json:"formatted_body"`
}
var htmlRegex = regexp.MustCompile("<[^<]+?>")
// GetHTMLMessage returns an HTMLMessage with the body set to a stripped version of the provided HTML, in addition
// to the provided HTML.
func GetHTMLMessage(msgtype, htmlText string) HTMLMessage {
return HTMLMessage{
Body: html.UnescapeString(htmlRegex.ReplaceAllLiteralString(htmlText, "")),
MsgType: msgtype,
Format: "org.matrix.custom.html",
FormattedBody: htmlText,
}
}
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