Add checks for properties on error object

Author: ben221199

src/Message.php

@@ -248,22 +248,34 @@ public static function createResponseMessageV1($id,$result=null,$error=null): Re
     /**
      * @param $id
      * @param $result
-     * @param object|string|null $error
+     * @param object|null $error
      * @return RequestMessage
      * @throws JSONRPCException
      */
-    public static function createResponseMessageV2($id,$result=null,$error=null): RequestMessage{
+    public static function createResponseMessageV2($id,$result=null,?object $error=null): RequestMessage{
         if(!is_null($result) && !is_null($error)){
             throw new JSONRPCException('[V2] Only one property "result" or "error" can be non null.');
         }
         if(!is_object($error) && !is_null($error)){
-            throw new JSONRPCException('[V1] The "error" property in request MUST be an object or null.');
+            throw new JSONRPCException('[V2] The "error" property in request MUST be an object or null.');
         }
         $arr = [
             'jsonrpc' => '2.0',
             'id' => $id,
         ];
         if(!is_null($error)){
+            if(!property_exists($error,'code')){
+                throw new JSONRPCException('[V2] The error object MUST have a "code" property.');
+            }
+            if(!property_exists($error,'message')){
+                throw new JSONRPCException('[V2] The error object MUST have a "message" property.');
+            }
+            if(!is_int($error->code)){
+                throw new JSONRPCException('[V2] The "code" property of the error object MUST be an integer.');
+            }
+            if(!is_string($error->message)){
+                throw new JSONRPCException('[V2] The "message" property of the error object MUST be a string.');
+            }
             $arr['error'] = $error;
         }else{
             $arr['result'] = $result;

tests/MessageTest.php

@@ -409,6 +409,17 @@ public function testIsVersion2(){
         $this->assertTrue(Message::createResponseMessageV2(123,'myMethod')->isVersion2());
     }
 
+    /**
+     * @return void
+     * @throws JSONRPCException
+     */
+    public function testCreateRequestMessageV2WithIdAndMethodAndParamsFalse(){
+        $this->expectException(JSONRPCException::class);
+        $this->expectExceptionMessage('[V2] The "params" property in request MUST be an object, array or null.');
+
+        Message::createRequestMessageV2(123,'abc',false);
+    }
+
     /**
      * @return void
      * @throws JSONRPCException
@@ -431,6 +442,18 @@ public function testCreateResponseMessageV1WithErrorFalse(){
         Message::createResponseMessageV1(123,null,false);
     }
 
+    /**
+     * @return void
+     * @throws JSONRPCException
+     */
+    public function testCreateRequestOrNotificationV2(){
+        $this->assertInstanceOf(RequestMessage::class,Message::createRequestMessageV2(123,'myMethod',[]));
+        $this->assertInstanceOf(RequestMessage::class,Message::createRequestMessageV2(123,'myMethod',(object) []));
+
+        $this->assertInstanceOf(NotificationMessage::class,Message::createNotificationMessageV2('myMethod',[]));
+        $this->assertInstanceOf(NotificationMessage::class,Message::createNotificationMessageV2('myMethod',(object) []));
+    }
+
     public function testToObject(){
         $this->assertEquals((object) ['id'=>123,'method'=>'getMethod','params'=>['param1','param2']],Message::createRequestMessageV1(123,'getMethod',['param1','param2'])->toObject());
     }