Add DisableWebPagePreview option (telegram). Closes #980 (#994)

bridge/config/config.go

@@ -79,6 +79,7 @@ type Protocol struct {
 	ColorNicks             bool   // only irc for now
 	Debug                  bool   // general
 	DebugLevel             int    // only for irc now
+	DisableWebPagePreview  bool   // telegram
 	EditSuffix             string // mattermost, slack, discord, telegram, gitter
 	EditDisable            bool   // mattermost, slack, discord, telegram, gitter
 	IconURL                string // mattermost, slack

bridge/telegram/telegram.go

@@ -131,6 +131,9 @@ func (b *Btelegram) sendMessage(chatid int64, username, text string) (string, er
 		m.Text = username + html.EscapeString(text)
 		m.ParseMode = tgbotapi.ModeHTML
 	}
+
+	m.DisableWebPagePreview = b.GetBool("DisableWebPagePreview")
+
 	res, err := b.c.Send(m)
 	if err != nil {
 		return "", err

matterbridge.toml.sample

@@ -837,6 +837,10 @@ Token="Yourtokenhere"
 #HTMLNick only allows HTML for the nick, the message itself will be html-escaped
 MessageFormat=""
 
+#OPTIONAL (default false)
+#Disables link previews for links in messages
+DisableWebPagePreview=false
+
 #If enabled use the "First Name" as username. If this is empty use the Username
 #If disabled use the "Username" as username. If this is empty use the First Name 
 #If all names are empty, username will be "unknown"