diff core/lib/Drupal/Core/StackMiddleware/ReverseProxyMiddleware.php @ 0:4c8ae668cc8c

Initial import (non-working)

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/lib/Drupal/Core/StackMiddleware/ReverseProxyMiddleware.php	Wed Nov 29 16:09:58 2017 +0000
@@ -0,0 +1,83 @@
+<?php
+
+namespace Drupal\Core\StackMiddleware;
+
+use Drupal\Core\Site\Settings;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpKernel\HttpKernelInterface;
+
+/**
+ * Provides support for reverse proxies.
+ */
+class ReverseProxyMiddleware implements HttpKernelInterface {
+
+  /**
+   * The decorated kernel.
+   *
+   * @var \Symfony\Component\HttpKernel\HttpKernelInterface
+   */
+  protected $httpKernel;
+
+  /**
+   * The site settings.
+   *
+   * @var \Drupal\Core\Site\Settings
+   */
+  protected $settings;
+
+  /**
+   * Constructs a ReverseProxyMiddleware object.
+   *
+   * @param \Symfony\Component\HttpKernel\HttpKernelInterface $http_kernel
+   *   The decorated kernel.
+   * @param \Drupal\Core\Site\Settings $settings
+   *   The site settings.
+   */
+  public function __construct(HttpKernelInterface $http_kernel, Settings $settings) {
+    $this->httpKernel = $http_kernel;
+    $this->settings = $settings;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function handle(Request $request, $type = self::MASTER_REQUEST, $catch = TRUE) {
+    // Initialize proxy settings.
+    static::setSettingsOnRequest($request, $this->settings);
+    return $this->httpKernel->handle($request, $type, $catch);
+  }
+
+  /**
+   * Sets reverse proxy settings on Request object.
+   *
+   * @param \Symfony\Component\HttpFoundation\Request $request
+   *   A Request instance.
+   * @param \Drupal\Core\Site\Settings $settings
+   *   The site settings.
+   */
+  public static function setSettingsOnRequest(Request $request, Settings $settings) {
+    // Initialize proxy settings.
+    if ($settings->get('reverse_proxy', FALSE)) {
+      $ip_header = $settings->get('reverse_proxy_header', 'X_FORWARDED_FOR');
+      $request::setTrustedHeaderName($request::HEADER_CLIENT_IP, $ip_header);
+
+      $proto_header = $settings->get('reverse_proxy_proto_header', 'X_FORWARDED_PROTO');
+      $request::setTrustedHeaderName($request::HEADER_CLIENT_PROTO, $proto_header);
+
+      $host_header = $settings->get('reverse_proxy_host_header', 'X_FORWARDED_HOST');
+      $request::setTrustedHeaderName($request::HEADER_CLIENT_HOST, $host_header);
+
+      $port_header = $settings->get('reverse_proxy_port_header', 'X_FORWARDED_PORT');
+      $request::setTrustedHeaderName($request::HEADER_CLIENT_PORT, $port_header);
+
+      $forwarded_header = $settings->get('reverse_proxy_forwarded_header', 'FORWARDED');
+      $request::setTrustedHeaderName($request::HEADER_FORWARDED, $forwarded_header);
+
+      $proxies = $settings->get('reverse_proxy_addresses', []);
+      if (count($proxies) > 0) {
+        $request::setTrustedProxies($proxies);
+      }
+    }
+  }
+
+}