add more events into login component (before login, after login failure)

Author: skie

src/Controller/Component/LoginComponent.php

@@ -64,6 +64,11 @@ public function handleLogin($errorOnlyPost, $redirectFailure)
         if (!$service) {
             throw new \UnexpectedValueException('Authentication service not found in this request');
         }
+        $eventBefore = $this->getController()->dispatchEvent(Plugin::EVENT_BEFORE_LOGIN, []);
+        if (is_array($eventBefore->getResult())) {
+            return $this->getController()->redirect($eventBefore->getResult());
+        }
+
         $result = $service->getResult();
         if ($result->isValid()) {
             $user = $request->getAttribute('identity')->getOriginalData();
@@ -72,6 +77,7 @@ public function handleLogin($errorOnlyPost, $redirectFailure)
             return $this->afterIdentifyUser($user);
         }
         if ($request->is('post') || $errorOnlyPost === false) {
+            $this->getController()->dispatchEvent(Plugin::EVENT_AFTER_LOGIN_FAILURE, ['result' => $result]);
             return $this->handleFailure($redirectFailure);
         }
 

src/Plugin.php

@@ -30,7 +30,9 @@ class Plugin extends BasePlugin implements AuthenticationServiceProviderInterfac
      * @var string
      */
     protected $name = 'CakeDC/Users';
+    public const EVENT_BEFORE_LOGIN = 'Users.Authentication.beforeLogin';
     public const EVENT_AFTER_LOGIN = 'Users.Authentication.afterLogin';
+    public const EVENT_AFTER_LOGIN_FAILURE = 'Users.Authentication.afterLoginFailure';
     public const EVENT_BEFORE_LOGOUT = 'Users.Authentication.beforeLogout';
     public const EVENT_AFTER_LOGOUT = 'Users.Authentication.afterLogout';