Version 1

[yaffs-website] / web / core / lib / Drupal / Core / StackMiddleware / Session.php

diff --git a/web/core/lib/Drupal/Core/StackMiddleware/Session.php b/web/core/lib/Drupal/Core/StackMiddleware/Session.php
new file mode 100644 (file)
index 0000000..d520916
--- /dev/null
+++ b/web/core/lib/Drupal/Core/StackMiddleware/Session.php
@@ -0,0 +1,66 @@
+<?php
+
+namespace Drupal\Core\StackMiddleware;
+
+use Symfony\Component\DependencyInjection\ContainerAwareTrait;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpKernel\HttpKernelInterface;
+
+/**
+ * Wrap session logic around a HTTP request.
+ *
+ * Note, the session service is not injected into this class in order to prevent
+ * premature initialization of session storage (database). Instead the session
+ * service is retrieved from the container only when handling the request.
+ */
+class Session implements HttpKernelInterface {
+
+  use ContainerAwareTrait;
+
+  /**
+   * The wrapped HTTP kernel.
+   *
+   * @var \Symfony\Component\HttpKernel\HttpKernelInterface
+   */
+  protected $httpKernel;
+
+  /**
+   * The session service name.
+   *
+   * @var string
+   */
+  protected $sessionServiceName;
+
+  /**
+   * Constructs a Session stack middleware object.
+   *
+   * @param \Symfony\Component\HttpKernel\HttpKernelInterface $http_kernel
+   *   The decorated kernel.
+   * @param string $service_name
+   *   The name of the session service, defaults to "session".
+   */
+  public function __construct(HttpKernelInterface $http_kernel, $service_name = 'session') {
+    $this->httpKernel = $http_kernel;
+    $this->sessionServiceName = $service_name;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function handle(Request $request, $type = self::MASTER_REQUEST, $catch = TRUE) {
+    if ($type === self::MASTER_REQUEST && PHP_SAPI !== 'cli') {
+      $session = $this->container->get($this->sessionServiceName);
+      $session->start();
+      $request->setSession($session);
+    }
+
+    $result = $this->httpKernel->handle($request, $type, $catch);
+
+    if ($type === self::MASTER_REQUEST && $request->hasSession()) {
+      $request->getSession()->save();
+    }
+
+    return $result;
+  }
+
+}