/**
* Handles the redirect if any found.
*
* @param \Symfony\Component\HttpKernel\Event\GetResponseEvent $event
* The event to process.
*/
public function onKernelRequestCheckRedirect(GetResponseEvent $event)
{
$request = $event->getRequest();
if (!$this->checker->canRedirect($request)) {
return;
}
// Get URL info and process it to be used for hash generation.
parse_str($request->getQueryString(), $request_query);
$path = ltrim($request->getPathInfo(), '/');
$this->context->fromRequest($request);
try {
$redirect = $this->redirectRepository->findMatchingRedirect($path, $request_query, $this->languageManager->getCurrentLanguage()->getId());
} catch (RedirectLoopException $e) {
\Drupal::logger('redirect')->warning($e->getMessage());
$response = new Response();
$response->setStatusCode(503);
$response->setContent('Service unavailable');
$event->setResponse($response);
return;
}
if (!empty($redirect)) {
// Handle internal path.
$url = $redirect->getRedirectUrl();
if ($this->config->get('passthrough_querystring')) {
$url->setOption('query', (array) $url->getOption('query') + $request_query);
}
$headers = ['X-Redirect-ID' => $redirect->id(), 'X-Drupal-Cache-Tags' => implode(' ', $redirect->getCacheTags())];
$response = new TrustedRedirectResponse($url->setAbsolute()->toString(), $redirect->getStatusCode(), $headers);
$event->setResponse($response);
}
}
/**
* Tests redirects being automatically created upon path alias change.
*/
public function testAutomaticRedirects()
{
$this->drupalLogin($this->adminUser);
// Create a node and update its path alias which should result in a redirect
// being automatically created from the old alias to the new one.
$node = $this->drupalCreateNode(array('type' => 'article', 'langcode' => Language::LANGCODE_NOT_SPECIFIED, 'path' => array('alias' => '/node_test_alias')));
$this->drupalPostForm('node/' . $node->id() . '/edit', array('path[0][alias]' => '/node_test_alias_updated'), t('Save'));
$redirect = $this->repository->findMatchingRedirect('node_test_alias', array(), Language::LANGCODE_NOT_SPECIFIED);
$this->assertEqual($redirect->getRedirectUrl()->toString(), Url::fromUri('base:node_test_alias_updated')->toString());
// Test if the automatically created redirect works.
$this->assertRedirect('node_test_alias', 'node_test_alias_updated');
// Test that changing the path back deletes the first redirect, creates
// a new one and does not result in a loop.
$this->drupalPostForm('node/' . $node->id() . '/edit', array('path[0][alias]' => '/node_test_alias'), t('Save'));
$redirect = $this->repository->findMatchingRedirect('node_test_alias', array(), Language::LANGCODE_NOT_SPECIFIED);
$this->assertTrue(empty($redirect));
\Drupal::service('path.alias_manager')->cacheClear();
$redirect = $this->repository->findMatchingRedirect('node_test_alias_updated', array(), Language::LANGCODE_NOT_SPECIFIED);
$this->assertEqual($redirect->getRedirectUrl()->toString(), Url::fromUri('base:node_test_alias')->toString());
// Test if the automatically created redirect works.
$this->assertRedirect('node_test_alias_updated', 'node_test_alias');
// Test that the redirect will be deleted upon node deletion.
$this->drupalPostForm('node/' . $node->id() . '/delete', array(), t('Delete'));
$redirect = $this->repository->findMatchingRedirect('node_test_alias_updated', array(), Language::LANGCODE_NOT_SPECIFIED);
$this->assertTrue(empty($redirect));
// Create a term and update its path alias and check if we have a redirect
// from the previous path alias to the new one.
$term = $this->createTerm($this->createVocabulary());
$this->drupalPostForm('taxonomy/term/' . $term->id() . '/edit', array('path[0][alias]' => '/term_test_alias_updated'), t('Save'));
$redirect = $this->repository->findMatchingRedirect('term_test_alias');
$this->assertEqual($redirect->getRedirectUrl()->toString(), Url::fromUri('base:term_test_alias_updated')->toString());
// Test if the automatically created redirect works.
$this->assertRedirect('term_test_alias', 'term_test_alias_updated');
// Test the path alias update via the admin path form.
$this->drupalPostForm('admin/config/search/path/add', array('source' => '/node', 'alias' => '/aaa_path_alias'), t('Save'));
// Note that here we rely on fact that we land on the path alias list page
// and the default sort is by the alias, which implies that the first edit
// link leads to the edit page of the aaa_path_alias.
$this->clickLink(t('Edit'));
$this->drupalPostForm(NULL, array('alias' => '/aaa_path_alias_updated'), t('Save'));
$redirect = $this->repository->findMatchingRedirect('aaa_path_alias', array(), 'en');
$this->assertEqual($redirect->getRedirectUrl()->toString(), Url::fromUri('base:aaa_path_alias_updated')->toString());
// Test if the automatically created redirect works.
$this->assertRedirect('aaa_path_alias', 'aaa_path_alias_updated');
// Test the automatically created redirect shows up in the form correctly.
$this->drupalGet('admin/config/search/redirect/edit/' . $redirect->id());
$this->assertFieldByName('redirect_source[0][path]', 'aaa_path_alias');
$this->assertFieldByName('redirect_redirect[0][uri]', '/node');
}
/**
* Handles the redirect if any found.
*
* @param \Symfony\Component\HttpKernel\Event\GetResponseEvent $event
* The event to process.
*/
public function onKernelRequestCheckRedirect(GetResponseEvent $event)
{
// Get a clone of the request. During inbound processing the request
// can be altered. Allowing this here can lead to unexpected behavior.
// For example the path_processor.files inbound processor provided by
// the system module alters both the path and the request; only the
// changes to the request will be propagated, while the change to the
// path will be lost.
$request = clone $event->getRequest();
if (!$this->checker->canRedirect($request)) {
return;
}
// Get URL info and process it to be used for hash generation.
parse_str($request->getQueryString(), $request_query);
// Do the inbound processing so that for example language prefixes are
// removed.
$path = $this->pathProcessor->processInbound($request->getPathInfo(), $request);
$path = ltrim($path, '/');
$this->context->fromRequest($request);
try {
$redirect = $this->redirectRepository->findMatchingRedirect($path, $request_query, $this->languageManager->getCurrentLanguage()->getId());
} catch (RedirectLoopException $e) {
\Drupal::logger('redirect')->warning($e->getMessage());
$response = new Response();
$response->setStatusCode(503);
$response->setContent('Service unavailable');
$event->setResponse($response);
return;
}
if (!empty($redirect)) {
// Handle internal path.
$url = $redirect->getRedirectUrl();
if ($this->config->get('passthrough_querystring')) {
$url->setOption('query', (array) $url->getOption('query') + $request_query);
}
$headers = ['X-Redirect-ID' => $redirect->id()];
$response = new TrustedRedirectResponse($url->setAbsolute()->toString(), $redirect->getStatusCode(), $headers);
$response->addCacheableDependency($redirect);
$event->setResponse($response);
}
}
