Protect against broken JSON packets

Closes: #163
PR-URL: #167

Author: tshemsedinov

lib/client.js

@@ -69,11 +69,15 @@ class Client {
   }
 
   message(data) {
-    const packet = JSON.parse(data);
-    const [callType, methodName] = Object.keys(packet);
-    const callId = packet[callType];
-    const args = packet[methodName];
-    this.rpc(callId, methodName, args);
+    try {
+      const packet = JSON.parse(data);
+      const [callType, methodName] = Object.keys(packet);
+      const callId = packet[callType];
+      const args = packet[methodName];
+      this.rpc(callId, methodName, args);
+    } catch (err) {
+      application.logger.error(err.message);
+    }
   }
 
   async rpc(callId, method, args) {