/** * {@inheritdoc} */ public function validate($value, Constraint $constraint) { if (isset($value)) { try { $url = $value->getUrl(); } catch (\InvalidArgumentException $e) { return; } // Disallow URLs if the current user doesn't have the 'link to any page' // permission nor can access this URI. $allowed = $this->current_user->hasPermission('link to any page') || $url->access(); if (!$allowed) { $this->context->addViolation($constraint->message, array('@uri' => $value->uri)); } } }
/** * {@inheritdoc} */ public function buildForm(array $form, FormStateInterface $form_state) { // Log execution time. $start_time = microtime(TRUE); // Try to load the files count from cache. This function will accept two // arguments: // - cache object name (cid) // - cache bin, the (optional) cache bin (most often a database table) where // the object is to be saved. // // cache_get() returns the cached object or FALSE if object does not exist. if ($cache = $this->cacheBackend->get('cache_example_files_count')) { /* * Get cached data. Complex data types will be unserialized automatically. */ $files_count = $cache->data; } else { // If there was no cached data available we have to search filesystem. // Recursively get all files from Drupal's folder. $files_count = count(file_scan_directory('.', '/.*/')); // Since we have recalculated, we now need to store the new data into // cache. Complex data types will be automatically serialized before // being saved into cache. // Here we use the default setting and create an unexpiring cache item. // See below for an example that creates an expiring cache item. $this->cacheBackend->set('cache_example_files_count', $files_count, CacheBackendInterface::CACHE_PERMANENT); } $end_time = microtime(TRUE); $duration = $end_time - $start_time; // Format intro message. $intro_message = '<p>' . $this->t('This example will search the entire drupal folder and display a count of the files in it.') . ' '; $intro_message .= $this->t('This can take a while, since there are a lot of files to be searched.') . ' '; $intro_message .= $this->t('We will search filesystem just once and save output to the cache. We will use cached data for later requests.') . '</p>'; $intro_message .= '<p>' . $this->t('<a href="@url">Reload this page</a> to see cache in action.', array('@url' => $this->getRequest()->getRequestUri())) . ' '; $intro_message .= $this->t('You can use the button below to remove cached data.') . '</p>'; $form['file_search'] = array('#type' => 'fieldset', '#title' => $this->t('File search caching')); $form['file_search']['introduction'] = array('#markup' => $intro_message); $color = empty($cache) ? 'red' : 'green'; $retrieval = empty($cache) ? $this->t('calculated by traversing the filesystem') : $this->t('retrieved from cache'); $form['file_search']['statistics'] = array('#type' => 'item', '#markup' => $this->t('%count files exist in this Drupal installation; @retrieval in @time ms. <br/>(Source: <span style="color:@color;">@source</span>)', array('%count' => $files_count, '@retrieval' => $retrieval, '@time' => number_format($duration * 1000, 2), '@color' => $color, '@source' => empty($cache) ? $this->t('actual file search') : $this->t('cached')))); $form['file_search']['remove_file_count'] = array('#type' => 'submit', '#submit' => array(array($this, 'expireFiles')), '#value' => $this->t('Explicitly remove cached file count')); $form['expiration_demo'] = array('#type' => 'fieldset', '#title' => $this->t('Cache expiration settings')); $form['expiration_demo']['explanation'] = array('#markup' => $this->t('A cache item can be set as CACHE_PERMANENT, meaning that it will only be removed when explicitly cleared, or it can have an expiration time (a Unix timestamp).')); $item = $this->cacheBackend->get('cache_example_expiring_item', TRUE); if ($item == FALSE) { $item_status = $this->t('Cache item does not exist'); } else { $item_status = $item->valid ? $this->t('Cache item exists and is set to expire at %time', array('%time' => $item->data)) : $this->t('Cache_item is invalid'); } $form['expiration_demo']['current_status'] = array('#type' => 'item', '#title' => $this->t('Current status of cache item "cache_example_expiring_item"'), '#markup' => $item_status); $form['expiration_demo']['expiration'] = array('#type' => 'select', '#title' => $this->t('Time before cache expiration'), '#options' => array('never_remove' => $this->t('CACHE_PERMANENT'), -10 => $this->t('Immediate expiration'), 10 => $this->t('10 seconds from form submission'), 60 => $this->t('1 minute from form submission'), 300 => $this->t('5 minutes from form submission')), '#default_value' => -10, '#description' => $this->t('Any cache item can be set to only expire when explicitly cleared, or to expire at a given time.')); $form['expiration_demo']['create_cache_item'] = array('#type' => 'submit', '#value' => $this->t('Create a cache item with this expiration'), '#submit' => array(array($this, 'createExpiringItem'))); $form['cache_clearing'] = array('#type' => 'fieldset', '#title' => $this->t('Expire and remove options'), '#description' => $this->t("We have APIs to expire cached items and also to just remove them. Unfortunately, they're all the same API, cache_clear_all")); $form['cache_clearing']['cache_clear_type'] = array('#type' => 'radios', '#title' => $this->t('Type of cache clearing to do'), '#options' => array('expire' => $this->t('Remove items from the "cache" bin that have expired'), 'remove_all' => $this->t('Remove all items from the "cache" bin regardless of expiration'), 'remove_tag' => $this->t('Remove all items in the "cache" bin with the tag "cache_example" set to 1')), '#default_value' => 'expire'); // Submit button to clear cached data. $form['cache_clearing']['clear_expired'] = array('#type' => 'submit', '#value' => $this->t('Clear or expire cache'), '#submit' => array(array($this, 'cacheClearing')), '#access' => $this->currentUser->hasPermission('administer site configuration')); return $form; }
public function get($entity = NULL) { if ($entity) { $permission = 'Administer content types'; if (!$this->currentUser->hasPermission($permission)) { throw new AccessDeniedHttpException(); } $bundles_entities = \Drupal::entityManager()->getStorage($entity . '_type')->loadMultiple(); $bundles = array(); foreach ($bundles_entities as $entity) { $bundles[$entity->id()] = $entity->label(); } if (!empty($bundles)) { return new ResourceResponse($bundles); } throw new NotFoundHttpException(t('Bundles for entity @entity were not found', array('@entity' => $entity))); } throw new HttpException(t('Entity wasn\'t provided')); }
/** * Responds to GET requests. * * Returns a list of bundles for specified entity. * * @return \Drupal\rest\ResourceResponse * The response containing a reponse HTML. * * @throws \Symfony\Component\HttpKernel\Exception\HttpException */ public function get($entity = NULL, $bundle = NULL) { if ($entity && $bundle) { $permission = 'Administer content types'; if (!$this->currentUser->hasPermission($permission)) { throw new AccessDeniedHttpException(); } // Query by filtering on the ID by entity and bundle. $ids = \Drupal::entityQuery('field_config')->condition('id', $entity . '.' . $bundle . '.', 'STARTS_WITH')->execute(); // Fetch all fields and key them by field name. $field_configs = FieldConfig::loadMultiple($ids); $fields = array(); foreach ($field_configs as $field_instance) { $fields[$field_instance->getName()] = $field_instance; } if (!empty($fields)) { return new ResourceResponse($fields); } throw new NotFoundHttpException(t('Field for entity @entity and bundle @bundle were not found', array('@entity' => $entity, '@bundle' => $bundle))); } // Throw an exception if it is required. throw new HttpException(t('Entity and Bundle weren\'t provided')); }
public function get($entity = NULL, $bundle = NULL) { if ($entity && $bundle) { $permission = 'Administer content types'; if (!$this->currentUser->hasPermission($permission)) { throw new AccessDeniedHttpException(); } $entity_view_display = $this->entityManager->getDefinition('entity_view_display'); $config_prefix = $entity_view_display->getConfigPrefix(); $list = $this->configFactory->listAll($config_prefix . '.' . $entity . '.' . $bundle . '.'); $view_modes = array(); foreach ($list as $view_mode) { $view_mode_machine_id = str_replace($config_prefix . '.', '', $view_mode); list(, , $view_mode_label) = explode('.', $view_mode_machine_id); $view_modes[$view_mode_machine_id] = $view_mode_label; } if (!empty($view_modes)) { return new ResourceResponse($view_modes); } throw new NotFoundHttpException(t('Views modes for @entity and @bundle were not found', array('@entity' => $entity, '@bundle' => $bundle))); } throw new HttpException(t('Entity or Bundle weren\'t provided')); }
/** * {@inheritdoc} */ public function process($text, $langcode) { $response = new FilterProcessResult($text); // Use a look ahead to match the capture groups in any order. if (preg_match_all('/(<p>)?(?<json>{(?=.*preview_thumbnail\\b)(?=.*settings\\b)(?=.*video_url\\b)(?=.*settings_summary)(.*)})(<\\/p>)?/', $text, $matches)) { foreach ($matches['json'] as $delta => $match) { // Ensure the JSON string is valid. $embed_data = json_decode($match, TRUE); if (!is_array($embed_data)) { continue; } // If the URL can't matched to a provider or the settings are invalid, // ignore it. $provider = $this->providerManager->loadProviderFromInput($embed_data['video_url']); if (!$provider || !$this->validSettings($embed_data['settings'])) { continue; } $autoplay = $this->currentUser->hasPermission('never autoplay videos') ? FALSE : $embed_data['settings']['autoplay']; $embed_code = $provider->renderEmbedCode($embed_data['settings']['width'], $embed_data['settings']['height'], $autoplay); // Add the container to make the video responsive if it's been // configured as such. This usually is attached to field output in the // case of a formatter, but a custom container must be used where one is // not present. if ($embed_data['settings']['responsive']) { $embed_code = ['#type' => 'container', '#attributes' => ['class' => ['video-embed-field-responsive-video']], 'children' => $embed_code]; } // Replace the JSON settings with a video. $text = str_replace($matches[0][$delta], $this->renderer->renderRoot($embed_code), $text); } } // Add the required responsive video library and update the response text. $response->setProcessedText($text); $response->addAttachments(['library' => ['video_embed_field/responsive-video']]); $response->setCacheContexts(['user.permissions']); return $response; }
/** * Responds to node status PATCH requests and updates node status. * * @param string $id * Node id. * * @return \Drupal\rest\ResourceResponse * The HTTP response object. * * @throws \Symfony\Component\HttpKernel\Exception\HttpException * Throws exception expected. */ public function patch($id = NULL) { if (!$this->currentUser->hasPermission('restful patch node_status_resource')) { throw new AccessDeniedHttpException('Access denied'); } // Check whether parameters are passed. if (empty($id)) { throw new HttpException('Parameters not passed'); } $node = Node::load($id); // Check whether valid node is present for the given parameter. if (!$node) { throw new HttpException('Node not present for this parameter'); } return new ResourceResponse("Implement REST State POST!"); }
/** * Checks whether a user has access to devel information. * * @return bool * TRUE if the user has the permission, FALSE otherwise. */ protected function hasAccessToDevelInformation() { return $this->account && $this->account->hasPermission('access devel information'); }