1 files changed, 106 insertions, 0 deletions
diff --git a/Http/Authentication/SimpleAuthenticationHandler.php b/Http/Authentication/SimpleAuthenticationHandler.php
new file mode 100644
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--- /dev/null
+++ b/Http/Authentication/SimpleAuthenticationHandler.php
@@ -0,0 +1,106 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Security\Http\Authentication;
+
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+use Psr\Log\LoggerInterface;
+use Symfony\Component\Security\Core\Exception\AuthenticationException;
+use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
+use Symfony\Component\Security\Core\Authentication\SimpleAuthenticatorInterface;
+
+/**
+ * Class to proxy authentication success/failure handlers
+ *
+ * Events are sent to the SimpleAuthenticatorInterface if it implements
+ * the right interface, otherwise (or if it fails to return a Response)
+ * the default handlers are triggered.
+ *
+ * @author Jordi Boggiano <j.boggiano@seld.be>
+ */
+class SimpleAuthenticationHandler implements AuthenticationFailureHandlerInterface, AuthenticationSuccessHandlerInterface
+{
+    protected $successHandler;
+    protected $failureHandler;
+    protected $simpleAuthenticator;
+    protected $logger;
+
+    /**
+     * Constructor.
+     *
+     * @param SimpleAuthenticatorInterface          $authenticator  SimpleAuthenticatorInterface instance
+     * @param AuthenticationSuccessHandlerInterface $successHandler Default success handler
+     * @param AuthenticationFailureHandlerInterface $failureHandler Default failure handler
+     * @param LoggerInterface                       $logger         Optional logger
+     */
+    public function __construct(SimpleAuthenticatorInterface $authenticator, AuthenticationSuccessHandlerInterface $successHandler, AuthenticationFailureHandlerInterface $failureHandler, LoggerInterface $logger = null)
+    {
+        $this->simpleAuthenticator = $authenticator;
+        $this->successHandler = $successHandler;
+        $this->failureHandler = $failureHandler;
+        $this->logger = $logger;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function onAuthenticationSuccess(Request $request, TokenInterface $token)
+    {
+        if ($this->simpleAuthenticator instanceof AuthenticationSuccessHandlerInterface) {
+            if ($this->logger) {
+                $this->logger->debug(sprintf('Using the %s object as authentication success handler', get_class($this->simpleAuthenticator)));
+            }
+
+            $response = $this->simpleAuthenticator->onAuthenticationSuccess($request, $token);
+            if ($response instanceof Response) {
+                return $response;
+            }
+
+            if (null !== $response) {
+                throw new \UnexpectedValueException(sprintf('The %s::onAuthenticationSuccess method must return null to use the default success handler, or a Response object', get_class($this->simpleAuthenticator)));
+            }
+        }
+
+        if ($this->logger) {
+            $this->logger->debug('Fallback to the default authentication success handler');
+        }
+
+        return $this->successHandler->onAuthenticationSuccess($request, $token);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function onAuthenticationFailure(Request $request, AuthenticationException $exception)
+    {
+        if ($this->simpleAuthenticator instanceof AuthenticationFailureHandlerInterface) {
+            if ($this->logger) {
+                $this->logger->debug(sprintf('Using the %s object as authentication failure handler', get_class($this->simpleAuthenticator)));
+            }
+
+            $response = $this->simpleAuthenticator->onAuthenticationFailure($request, $exception);
+            if ($response instanceof Response) {
+                return $response;
+            }
+
+            if (null !== $response) {
+                throw new \UnexpectedValueException(sprintf('The %s::onAuthenticationFailure method must return null to use the default failure handler, or a Response object', get_class($this->simpleAuthenticator)));
+            }
+        }
+
+        if ($this->logger) {
+            $this->logger->debug('Fallback to the default authentication failure handler');
+        }
+
+        return $this->failureHandler->onAuthenticationFailure($request, $exception);
+    }
+}