better error handling for receiving messages

crayfish/backend.go

@@ -573,6 +573,7 @@ func (c *CrayfishInstance) HandleEnvelope(msg []byte) (*CrayfishWebSocketRespons
 	log.Debugf("[textsecure-crayfish-ws] HandleEnvelope recieved an response")
 	rm, err := json.Marshal(response.Message)
 	if err != nil {
+		log.Errorln("[textsecure-crayfish-ws] failed to marshal response message", response.Message)
 		return nil, err
 	}
 	var data CrayfishWebSocketResponse_HANDLE_ENVELOPE_MESSAGE

websocket.go

@@ -188,9 +188,14 @@ func StartListening() error {
 			if err != nil {
 				log.WithFields(log.Fields{
 					"error": err,
-				}).Error("[textsecure] Failed to handle received message")
+				}).Error("[textsecure] Failed to decrypt received message")
 			} else {
-				env, _ := createEnvelope(plaintext)
+				env, err := createEnvelope(plaintext)
+				if err != nil {
+					log.WithFields(log.Fields{
+						"error": err,
+					}).Error("[textsecure] Failed to create envelope")
+				}
 				err = handleReceivedMessage(env)
 				if err != nil {
 					log.WithFields(log.Fields{