Fix #169

src/Exception/InvalidRequestException.php

@@ -30,7 +30,7 @@ class InvalidRequestException extends OAuthException
      * {@inheritdoc}
      */
 
-    public function __construct($parameter)
+    public function __construct($parameter, $shouldRedirect = false)
     {
         parent::__construct(
             sprintf(
@@ -38,5 +38,7 @@ class InvalidRequestException extends OAuthException
                 $parameter
             )
         );
+
+        $this->serverShouldRedirect = $shouldRedirect;
     }
 }

src/Exception/InvalidScopeException.php

@@ -30,7 +30,7 @@ class InvalidScopeException extends OAuthException
      * {@inheritdoc}
      */
 
-    public function __construct($parameter)
+    public function __construct($parameter, $shouldRedirect = false)
     {
         parent::__construct(
             sprintf(
@@ -38,5 +38,7 @@ class InvalidScopeException extends OAuthException
                 $parameter
             )
         );
+
+        $this->serverShouldRedirect = $shouldRedirect;
     }
 }

src/Exception/OAuthException.php

@@ -23,6 +23,12 @@ class OAuthException extends \Exception
      */
     public $httpStatusCode = 400;
 
+    /**
+     * If true the server should redirect back to the client
+     * @var boolean
+     */
+    public $serverShouldRedirect = false;
+
     /**
      * The exception type
      */
@@ -36,6 +42,15 @@ class OAuthException extends \Exception
         parent::__construct($msg);
     }
 
+    /**
+     * Should the server redirect back to the client?
+     * @return bool
+     */
+    public function shouldRedirect()
+    {
+        return $this->serverShouldRedirect;
+    }
+
     /**
      * Get all headers that have to be send with the error response
      * @return array Array with header values

src/Exception/UnsupportedResponseTypeException.php

@@ -32,5 +32,6 @@ class UnsupportedResponseTypeException extends OAuthException
     public function __construct($parameter)
     {
         parent::__construct('The authorization server does not support obtaining an access token using this method.');
+        $this->serverShouldRedirect = true;
     }
 }