/**
* {@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');
}
