<?php /** * Class Captions * * @link https://github.com/googleforcreators/web-stories-wp * * @copyright 2020 Google LLC * @license https://www.apache.org/licenses/LICENSE-2.0 Apache License 2.0 */ /** * Copyright 2020 Google LLC * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * https://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ declare(strict_types = 1); namespace Google\Web_Stories\Media\Video; use Google\Web_Stories\Service_Base; /** * Class Captions */ class Captions extends Service_Base { /** * Initializes the File_Type logic. * * @since 1.7.0 */ public function register(): void { add_filter( 'site_option_upload_filetypes', [ $this, 'filter_list_of_allowed_filetypes' ] ); } /** * Add VTT file type to allow file in multisite. * * @param string|mixed $value List of allowed file types. * @return string|mixed List of allowed file types. */ public function filter_list_of_allowed_filetypes( $value ) { if ( ! \is_string( $value ) ) { return $value; } $filetypes = explode( ' ', $value ); if ( ! \in_array( 'vtt', $filetypes, true ) ) { $filetypes[] = 'vtt'; $value = implode( ' ', $filetypes ); } return $value; } }