function media_requirements

Implements hook_requirements().

File

core/modules/media/media.install, line 57

Code

function media_requirements($phase) {
    $requirements = [];
    if ($phase == 'install') {
        $destination = 'public://media-icons/generic';
        \Drupal::service('file_system')->prepareDirectory($destination, FileSystemInterface::CREATE_DIRECTORY | FileSystemInterface::MODIFY_PERMISSIONS);
        $is_writable = is_writable($destination);
        $is_directory = is_dir($destination);
        if (!$is_writable || !$is_directory) {
            if (!$is_directory) {
                $error = t('The directory %directory does not exist.', [
                    '%directory' => $destination,
                ]);
            }
            else {
                $error = t('The directory %directory is not writable.', [
                    '%directory' => $destination,
                ]);
            }
            $description = t('An automated attempt to create this directory failed, possibly due to a permissions problem. To proceed with the installation, either create the directory and modify its permissions manually or ensure that the installer has the permissions to create it automatically. For more information, see INSTALL.txt or the <a href=":handbook_url">online handbook</a>.', [
                ':handbook_url' => 'https://www.drupal.org/server-permissions',
            ]);
            if (!empty($error)) {
                $description = $error . ' ' . $description;
                $requirements['media']['description'] = $description;
                $requirements['media']['severity'] = REQUIREMENT_ERROR;
            }
        }
    }
    elseif ($phase === 'runtime') {
        // Check that oEmbed content is served in an iframe on a different domain,
        // and complain if it isn't.
        $domain = \Drupal::config('media.settings')->get('iframe_domain');
        if (!\Drupal::service('media.oembed.iframe_url_helper')->isSecure($domain)) {
            // Find all media types which use a source plugin that implements
            // OEmbedInterface.
            $media_types = \Drupal::entityTypeManager()->getStorage('media_type')
                ->loadMultiple();
            $oembed_types = array_filter($media_types, function (MediaTypeInterface $media_type) {
                return $media_type->getSource() instanceof OEmbedInterface;
            });
            if ($oembed_types) {
                // @todo Potentially allow site administrators to suppress this warning
                // permanently. See https://www.drupal.org/project/drupal/issues/2962753
                // for more information.
                $requirements['media_insecure_iframe'] = [
                    'title' => t('Media'),
                    'description' => t('It is potentially insecure to display oEmbed content in a frame that is served from the same domain as your main Drupal site, as this may allow execution of third-party code. <a href=":url">You can specify a different domain for serving oEmbed content here</a>.', [
                        ':url' => Url::fromRoute('media.settings')->setAbsolute()
                            ->toString(),
                    ]),
                    'severity' => REQUIREMENT_WARNING,
                ];
            }
        }
        $module_handler = \Drupal::service('module_handler');
        foreach (MediaType::loadMultiple() as $type) {
            // Load the default display.
            $display = \Drupal::service('entity_display.repository')->getViewDisplay('media', $type->id());
            // Check for missing source field definition.
            $source_field_definition = $type->getSource()
                ->getSourceFieldDefinition($type);
            if (empty($source_field_definition)) {
                $requirements['media_missing_source_field_' . $type->id()] = [
                    'title' => t('Media'),
                    'description' => t('The source field definition for the %type media type is missing.', [
                        '%type' => $type->label(),
                    ]),
                    'severity' => REQUIREMENT_ERROR,
                ];
                continue;
            }
            // When a new media type with an image source is created we're
            // configuring the default entity view display using the 'large' image
            // style. Unfortunately, if a site builder has deleted the 'large' image
            // style, we need some other image style to use, but at this point, we
            // can't really know the site builder's intentions. So rather than do
            // something surprising, we're leaving the embedded media without an
            // image style and adding a warning that the site builder might want to
            // add an image style.
            // @see Drupal\media\Plugin\media\Source\Image::prepareViewDisplay
            if (!is_a($source_field_definition->getItemDefinition()
                ->getClass(), ImageItem::class, TRUE)) {
                continue;
            }
            $component = $display->getComponent($source_field_definition->getName());
            if (empty($component) || $component['type'] !== 'image' || !empty($component['settings']['image_style'])) {
                continue;
            }
            $action_item = '';
            if ($module_handler->moduleExists('field_ui') && \Drupal::currentUser()->hasPermission('administer media display')) {
                $url = Url::fromRoute('entity.entity_view_display.media.default', [
                    'media_type' => $type->id(),
                ])
                    ->toString();
                $action_item = new TranslatableMarkup('If you would like to change this, <a href=":display">add an image style to the %field_name field</a>.', [
                    '%field_name' => $source_field_definition->label(),
                    ':display' => $url,
                ]);
            }
            $requirements['media_default_image_style_' . $type->id()] = [
                'title' => t('Media'),
                'description' => new TranslatableMarkup('The default display for the %type media type is not currently using an image style on the %field_name field. Not using an image style can lead to much larger file downloads. @action_item', [
                    '%field_name' => $source_field_definition->label(),
                    '@action_item' => $action_item,
                    '%type' => $type->label(),
                ]),
                'severity' => REQUIREMENT_WARNING,
            ];
        }
    }
    return $requirements;
}