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<?php
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/* Copyright 2014 Sutherland Boswell (email : sutherland.boswell@gmail.com)
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License, version 2, as
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published by the Free Software Foundation.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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// Require thumbnail provider class
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require_once( VIDEO_THUMBNAILS_PATH . '/php/providers/class-video-thumbnails-provider.php' );
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class Youtube_Thumbnails extends Video_Thumbnails_Provider {
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// Human-readable name of the video provider
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public $service_name = 'YouTube';
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const service_name = 'YouTube';
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// Slug for the video provider
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public $service_slug = 'youtube';
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const service_slug = 'youtube';
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public static function register_provider( $providers ) {
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$providers[self::service_slug] = new self;
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return $providers;
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}
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// Regex strings
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public $regexes = array(
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'#(?:https?:)?//www\.youtube(?:\-nocookie)?\.com/(?:v|e|embed)/([A-Za-z0-9\-_]+)#', // Comprehensive search for both iFrame and old school embeds
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'#(?:https?(?:a|vh?)?://)?(?:www\.)?youtube(?:\-nocookie)?\.com/watch\?.*v=([A-Za-z0-9\-_]+)#', // Any YouTube URL. After http(s) support a or v for Youtube Lyte and v or vh for Smart Youtube plugin
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'#(?:https?(?:a|vh?)?://)?youtu\.be/([A-Za-z0-9\-_]+)#', // Any shortened youtu.be URL. After http(s) a or v for Youtube Lyte and v or vh for Smart Youtube plugin
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'#<div class="lyte" id="([A-Za-z0-9\-_]+)"#', // YouTube Lyte
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'#data-youtube-id="([A-Za-z0-9\-_]+)"#' // LazyYT.js
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);
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// Thumbnail URL
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public function get_thumbnail_url( $id ) {
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$maxres = 'http://img.youtube.com/vi/' . $id . '/maxresdefault.jpg';
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$response = wp_remote_head( $maxres );
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if ( !is_wp_error( $response ) && $response['response']['code'] == '200' ) {
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$result = $maxres;
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} else {
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$result = 'http://img.youtube.com/vi/' . $id . '/0.jpg';
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}
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return $result;
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}
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// Test cases
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public static function get_test_cases() {
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return array(
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array(
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'markup' => '<iframe width="560" height="315" src="http://www.youtube.com/embed/Fp0U2Vglkjw" frameborder="0" allowfullscreen></iframe>',
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'expected' => 'http://img.youtube.com/vi/Fp0U2Vglkjw/maxresdefault.jpg',
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'expected_hash' => 'c66256332969c38790c2b9f26f725e7a',
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'name' => __( 'iFrame Embed HD', 'video-thumbnails' )
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),
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array(
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'markup' => '<object width="560" height="315"><param name="movie" value="http://www.youtube.com/v/Fp0U2Vglkjw?version=3&hl=en_US"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/Fp0U2Vglkjw?version=3&hl=en_US" type="application/x-shockwave-flash" width="560" height="315" allowscriptaccess="always" allowfullscreen="true"></embed></object>',
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'expected' => 'http://img.youtube.com/vi/Fp0U2Vglkjw/maxresdefault.jpg',
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'expected_hash' => 'c66256332969c38790c2b9f26f725e7a',
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'name' => __( 'Flash Embed HD', 'video-thumbnails' )
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),
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array(
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'markup' => '<iframe width="560" height="315" src="http://www.youtube.com/embed/vv_AitYPjtc" frameborder="0" allowfullscreen></iframe>',
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'expected' => 'http://img.youtube.com/vi/vv_AitYPjtc/0.jpg',
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'expected_hash' => '6c00b9ab335a6ea00b0fb964c39a6dc9',
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'name' => __( 'iFrame Embed SD', 'video-thumbnails' )
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),
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array(
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'markup' => '<object width="560" height="315"><param name="movie" value="http://www.youtube.com/v/vv_AitYPjtc?version=3&hl=en_US"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/vv_AitYPjtc?version=3&hl=en_US" type="application/x-shockwave-flash" width="560" height="315" allowscriptaccess="always" allowfullscreen="true"></embed></object>',
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'expected' => 'http://img.youtube.com/vi/vv_AitYPjtc/0.jpg',
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'expected_hash' => '6c00b9ab335a6ea00b0fb964c39a6dc9',
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'name' => __( 'Flash Embed SD', 'video-thumbnails' )
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),
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);
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}
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}
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?>
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