Add token support (RocketChat) (#892)

Signed-off-by: Michal Suchanek <msuchanek@suse.de>

bridge/rocketchat/helpers.go

@@ -58,6 +58,9 @@ func (b *Brocketchat) doConnectWebhookURL() error {
 func (b *Brocketchat) apiLogin() error {
 	b.Log.Debugf("handling apiLogin()")
 	credentials := &models.UserCredentials{Email: b.GetString("login"), Password: b.GetString("password")}
+	if b.GetString("Token") != "" {
+		credentials = &models.UserCredentials{ID: b.GetString("Login"), Token: b.GetString("Token")}
+	}
 	myURL, err := url.Parse(b.GetString("server"))
 	if err != nil {
 		return err

matterbridge.toml.sample

@@ -956,6 +956,11 @@ Server="https://yourrocketchatserver.domain.com:443"
 #REQUIRED (when not using webhooks)
 Login="yourlogin@domain.com"
 Password="yourpass"
+# When using access token set Login to the User ID associated with your token and Token to your token.
+# When Token is set Password is ignored.
+# Login="yOurUSerID"
+# Token="YoUrUsER_toKEN"
+
 
 #### Settings for webhook matterbridge.
 #USE DEDICATED BOT USER WHEN POSSIBLE! This allows you to use advanced features like message editing/deleting and uploads