Version 1

[yaffs-website] / web / modules / contrib / devel / webprofiler / src / EventSubscriber / WebprofilerEventSubscriber.php

diff --git a/web/modules/contrib/devel/webprofiler/src/EventSubscriber/WebprofilerEventSubscriber.php b/web/modules/contrib/devel/webprofiler/src/EventSubscriber/WebprofilerEventSubscriber.php
new file mode 100644 (file)
index 0000000..46a42a1
--- /dev/null
+++ b/web/modules/contrib/devel/webprofiler/src/EventSubscriber/WebprofilerEventSubscriber.php
@@ -0,0 +1,97 @@
+<?php
+
+namespace Drupal\webprofiler\EventSubscriber;
+
+use Drupal\Core\Render\RendererInterface;
+use Drupal\Core\Routing\UrlGeneratorInterface;
+use Drupal\Core\Session\AccountInterface;
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\HttpKernel\Event\FilterResponseEvent;
+use Symfony\Component\HttpKernel\KernelEvents;
+
+/**
+ * Class WebprofilerEventSubscriber
+ */
+class WebprofilerEventSubscriber implements EventSubscriberInterface {
+
+  /**
+   * @var \Drupal\Core\Session\AccountInterface
+   */
+  private $currentUser;
+
+  /**
+   * @var \Drupal\Core\Routing\UrlGeneratorInterface
+   */
+  protected $urlGenerator;
+
+  /**
+   * @var \Drupal\Core\Render\RendererInterface
+   */
+  protected $renderer;
+
+  /**
+   * @param \Drupal\Core\Session\AccountInterface $currentUser
+   * @param \Drupal\Core\Routing\UrlGeneratorInterface $urlGenerator
+   * @param \Drupal\Core\Render\RendererInterface $renderer
+   */
+  public function __construct(AccountInterface $currentUser, UrlGeneratorInterface $urlGenerator, RendererInterface $renderer) {
+    $this->currentUser = $currentUser;
+    $this->urlGenerator = $urlGenerator;
+    $this->renderer = $renderer;
+  }
+
+  /**
+   * @param \Symfony\Component\HttpKernel\Event\FilterResponseEvent $event
+   */
+  public function onKernelResponse(FilterResponseEvent $event) {
+    $response = $event->getResponse();
+    $request = $event->getRequest();
+
+    if ($response->headers->has('X-Debug-Token') && NULL !== $this->urlGenerator) {
+      $response->headers->set(
+        'X-Debug-Token-Link',
+        $this->urlGenerator->generate('webprofiler.dashboard', ['profile' => $response->headers->get('X-Debug-Token')])
+      );
+    }
+
+    // do not capture redirects or modify XML HTTP Requests
+    if ($request->isXmlHttpRequest()) {
+      return;
+    }
+
+    if ($this->currentUser->hasPermission('view webprofiler toolbar')) {
+      $this->injectToolbar($response);
+    }
+  }
+
+  /**
+   * @param \Symfony\Component\HttpFoundation\Response $response
+   */
+  protected function injectToolbar(Response $response) {
+    $content = $response->getContent();
+    $pos = mb_strripos($content, '</body>');
+
+    if (FALSE !== $pos) {
+      if ($token = $response->headers->get('X-Debug-Token')) {
+        $loader = [
+          '#theme' => 'webprofiler_loader',
+          '#token' => $token,
+          '#profiler_url' => $this->urlGenerator->generate('webprofiler.toolbar', ['profile' => $token]),
+        ];
+
+        $content = mb_substr($content, 0, $pos) . $this->renderer->renderRoot($loader) . mb_substr($content, $pos);
+        $response->setContent($content);
+      }
+    }
+  }
+
+  /**
+   * @return array
+   */
+  public static function getSubscribedEvents() {
+    return [
+      KernelEvents::RESPONSE => ['onKernelResponse', -128],
+    ];
+  }
+}