Merge pull request #51 from PawelSuwinski/grantType_getRawData

method getRawData() of grant types not interface compliant and can lead to TypeError

Author: kamermans

src/GrantType/AuthorizationCode.php

@@ -66,8 +66,9 @@ public function getRawData(SignerInterface $clientCredentialsSigner, $refreshTok
         );
 
         $response = $this->client->send($request);
+        $rawData = json_decode($response->getBody(), true);
 
-        return json_decode($response->getBody(), true);
+        return is_array($rawData) ? $rawData : [];
     }
 
     /**

src/GrantType/ClientCredentials.php

@@ -68,8 +68,9 @@ public function getRawData(SignerInterface $clientCredentialsSigner, $refreshTok
         );
 
         $response = $this->client->send($request);
+        $rawData = json_decode($response->getBody(), true);
 
-        return json_decode($response->getBody(), true);
+        return is_array($rawData) ? $rawData : [];
     }
 
     /**

src/GrantType/PasswordCredentials.php

@@ -66,8 +66,9 @@ public function getRawData(SignerInterface $clientCredentialsSigner, $refreshTok
         );
 
         $response = $this->client->send($request);
+        $rawData = json_decode($response->getBody(), true);
 
-        return json_decode($response->getBody(), true);
+        return is_array($rawData) ? $rawData : [];
     }
 
     /**

src/GrantType/RefreshToken.php

@@ -65,8 +65,9 @@ public function getRawData(SignerInterface $clientCredentialsSigner, $refreshTok
         );
 
         $response = $this->client->send($request);
+        $rawData = json_decode($response->getBody(), true);
 
-        return json_decode($response->getBody(), true);
+        return is_array($rawData) ? $rawData : [];
     }
 
     /**