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