feature #910 Allow to override the access denied handler (DerManoMann)

This PR was squashed before being merged into the 2.0.x-dev branch (closes #910).

Discussion
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Allow to override the access denied handler

Allow to override the access denied handler

Commits
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8a2f79e6 Allow to override the access denied handler

src/Silex/Provider/SecurityServiceProvider.php

@@ -242,7 +242,11 @@ class SecurityServiceProvider implements ServiceProviderInterface, EventListener
                         if (null == $entryPoint) {
                             $app[$entryPoint = 'security.entry_point.'.$name.'.form'] = $app['security.entry_point.form._proto']($name, array());
                         }
-                        $app['security.exception_listener.'.$name] = $app['security.exception_listener._proto']($entryPoint, $name);
+                        $accessDeniedHandler = null;
+                        if (isset($app['security.access_denied_handler.'.$name])) {
+                            $accessDeniedHandler = $app['security.access_denied_handler.'.$name];
+                        }
+                        $app['security.exception_listener.'.$name] = $app['security.exception_listener._proto']($entryPoint, $name, $accessDeniedHandler);
                     }
                 }
 
@@ -353,8 +357,8 @@ class SecurityServiceProvider implements ServiceProviderInterface, EventListener
             };
         });
 
-        $app['security.exception_listener._proto'] = $app->protect(function ($entryPoint, $name) use ($app) {
-            return function () use ($app, $entryPoint, $name) {
+        $app['security.exception_listener._proto'] = $app->protect(function ($entryPoint, $name, $accessDeniedHandler = null) use ($app) {
+            return function () use ($app, $entryPoint, $name, $accessDeniedHandler) {
                 return new ExceptionListener(
                     $app['security'],
                     $app['security.trust_resolver'],
@@ -362,7 +366,7 @@ class SecurityServiceProvider implements ServiceProviderInterface, EventListener
                     $name,
                     $app[$entryPoint],
                     null, // errorPage
-                    null, // AccessDeniedHandlerInterface
+                    $accessDeniedHandler,
                     $app['logger']
                 );
             };