Added authentication failure events

src/Event/ClientAuthenticationFailedEvent.php

@@ -0,0 +1,51 @@
+<?php
+/**
+ * OAuth 2.0 client authentication failed event
+ *
+ * @package     league/oauth2-server
+ * @author      Alex Bilbie <hello@alexbilbie.com>
+ * @copyright   Copyright (c) Alex Bilbie
+ * @license     http://mit-license.org/
+ * @link        https://github.com/thephpleague/oauth2-server
+ */
+
+namespace League\OAuth2\Server\Event;
+
+use League\Event\AbstractEvent;
+use Symfony\Component\HttpFoundation\Request;
+
+class ClientAuthenticationFailedEvent extends AbstractEvent
+{
+    /**
+     * Request
+     * @var \Symfony\Component\HttpFoundation\Request
+     */
+    private $request;
+
+    /**
+     * Init the event with a request
+     * @param \Symfony\Component\HttpFoundation\Requesty $request
+     */
+    public function __construct(Request $request)
+    {
+        $this->request = $request;
+    }
+
+    /**
+     * The name of the event
+     * @return string
+     */
+    public function getName()
+    {
+        return 'error.auth.client';
+    }
+
+    /**
+     * Return session
+     * @return \Symfony\Component\HttpFoundation\Request
+     */
+    public function getSession()
+    {
+        return $this->request;
+    }
+}

src/Event/UserAuthenticationFailedEvent.php

@@ -0,0 +1,51 @@
+<?php
+/**
+ * OAuth 2.0 user authentication failed event
+ *
+ * @package     league/oauth2-server
+ * @author      Alex Bilbie <hello@alexbilbie.com>
+ * @copyright   Copyright (c) Alex Bilbie
+ * @license     http://mit-license.org/
+ * @link        https://github.com/thephpleague/oauth2-server
+ */
+
+namespace League\OAuth2\Server\Event;
+
+use League\Event\AbstractEvent;
+use Symfony\Component\HttpFoundation\Request;
+
+class UserAuthenticationFailedEvent extends AbstractEvent
+{
+    /**
+     * Request
+     * @var \Symfony\Component\HttpFoundation\Request
+     */
+    private $request;
+
+    /**
+     * Init the event with a request
+     * @param \Symfony\Component\HttpFoundation\Requesty $request
+     */
+    public function __construct(Request $request)
+    {
+        $this->request = $request;
+    }
+
+    /**
+     * The name of the event
+     * @return string
+     */
+    public function getName()
+    {
+        return 'error.auth.user';
+    }
+
+    /**
+     * Return session
+     * @return \Symfony\Component\HttpFoundation\Request
+     */
+    public function getSession()
+    {
+        return $this->request;
+    }
+}

src/Grant/AuthCodeGrant.php

@@ -19,6 +19,7 @@ use League\OAuth2\Server\Entity\SessionEntity;
 use League\OAuth2\Server\Entity\AccessTokenEntity;
 use League\OAuth2\Server\Entity\AuthCodeEntity;
 use League\OAuth2\Server\Util\SecureKey;
+use League\OAuth2\Server\Event;
 
 /**
  * Auth code grant class
@@ -92,6 +93,7 @@ class AuthCodeGrant extends AbstractGrant
         );
 
         if (($client instanceof ClientEntity) === false) {
+            $this->server->getEventEmitter()->emit(new Event\ClientAuthenticationFailedEvent($this->server->getRequest()));
             throw new Exception\InvalidClientException();
         }
 
@@ -192,6 +194,7 @@ class AuthCodeGrant extends AbstractGrant
         );
 
         if (($client instanceof ClientEntity) === false) {
+            $this->server->getEventEmitter()->emit(new Event\ClientAuthenticationFailedEvent($this->server->getRequest()));
             throw new Exception\InvalidClientException();
         }
 

src/Grant/ClientCredentialsGrant.php

@@ -16,6 +16,7 @@ use League\OAuth2\Server\Entity\ClientEntity;
 use League\OAuth2\Server\Entity\SessionEntity;
 use League\OAuth2\Server\Exception;
 use League\OAuth2\Server\Util\SecureKey;
+use League\OAuth2\Server\Event;
 
 /**
  * Client credentials grant class
@@ -79,6 +80,7 @@ class ClientCredentialsGrant extends AbstractGrant
         );
 
         if (($client instanceof ClientEntity) === false) {
+            $this->server->getEventEmitter()->emit(new Event\ClientAuthenticationFailedEvent($this->server->getRequest()));
             throw new Exception\InvalidClientException();
         }
 

src/Grant/PasswordGrant.php

@@ -17,6 +17,7 @@ use League\OAuth2\Server\Entity\RefreshTokenEntity;
 use League\OAuth2\Server\Entity\SessionEntity;
 use League\OAuth2\Server\Exception;
 use League\OAuth2\Server\Util\SecureKey;
+use League\OAuth2\Server\Event;
 
 /**
  * Password grant class
@@ -102,6 +103,7 @@ class PasswordGrant extends AbstractGrant
         );
 
         if (($client instanceof ClientEntity) === false) {
+            $this->server->getEventEmitter()->emit(new Event\ClientAuthenticationFailedEvent($this->server->getRequest()));
             throw new Exception\InvalidClientException();
         }
 
@@ -119,6 +121,7 @@ class PasswordGrant extends AbstractGrant
         $userId = call_user_func($this->getVerifyCredentialsCallback(), $username, $password);
 
         if ($userId === false) {
+            $this->server->getEventEmitter()->emit(new Event\UserAuthenticationFailedEvent($this->server->getRequest()));
             throw new Exception\InvalidCredentialsException();
         }
 

src/Grant/RefreshTokenGrant.php

@@ -17,6 +17,7 @@ use League\OAuth2\Server\Util\SecureKey;
 use League\OAuth2\Server\Entity\RefreshTokenEntity;
 use League\OAuth2\Server\Entity\AccessTokenEntity;
 use League\OAuth2\Server\Entity\ClientEntity;
+use League\OAuth2\Server\Event;
 
 /**
  * Referesh token grant
@@ -83,6 +84,7 @@ class RefreshTokenGrant extends AbstractGrant
         );
 
         if (($client instanceof ClientEntity) === false) {
+            $this->server->getEventEmitter()->emit(new Event\ClientAuthenticationFailedEvent($this->server->getRequest()));
             throw new Exception\InvalidClientException();
         }