Add rawmessages configuration option

persistence/sessions.go

@@ -37,11 +37,13 @@ type Session struct {
 	Login       string `yaml:":login"`
 	Timezone    string `yaml:":timezone"`
 	KeepOnline  bool   `yaml:":keeponline"`
+	RawMessages bool   `yaml:":rawmessages"`
 }
 
 var configKeys = []string{
 	"timezone",
 	"keeponline",
+	"rawmessages",
 }
 
 var sessionDB *SessionsYamlDB
@@ -110,6 +112,8 @@ func (s *Session) Get(key string) (string, error) {
 		return s.Timezone, nil
 	case "keeponline":
 		return fromBool(s.KeepOnline), nil
+	case "rawmessages":
+		return fromBool(s.RawMessages), nil
 	}
 
 	return "", errors.New("Unknown session property")
@@ -139,6 +143,13 @@ func (s *Session) Set(key string, value string) (string, error) {
 		}
 		s.KeepOnline = b
 		return value, nil
+	case "rawmessages":
+		b, err := toBool(value)
+		if err != nil {
+			return "", err
+		}
+		s.RawMessages = b
+		return value, nil
 	}
 
 	return "", errors.New("Unknown session property")

telegram/commands.go

@@ -83,6 +83,7 @@ var chatCommands = map[string]command{
 var transportConfigurationOptions = map[string]configurationOption{
 	"timezone": configurationOption{"<timezone>", "adjust timezone for Telegram user statuses (example: +02:00)"},
 	"keeponline": configurationOption{"<bool>", "always keep telegram session online and rely on jabber offline messages (example: true)"},
+	"rawmessages": configurationOption{"<bool>", "do not add additional info (message id, origin etc.) to incoming messages (example: true)"},
 }
 
 type command struct {

telegram/handlers.go

@@ -210,7 +210,7 @@ func (c *Client) updateNewMessage(update *client.UpdateNewMessage) {
 			}
 		}
 		// OTR support (I do not know why would you need it, seriously)
-		if !strings.HasPrefix(text, "?OTR") {
+		if !(strings.HasPrefix(text, "?OTR") || c.Session.RawMessages) {
 			var prefix strings.Builder
 			prefix.WriteString(c.messageToPrefix(update.Message, c.formatContent(file, filename)))
 			if text != "" {