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YouTube.php
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YouTube.php
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<?php
/**
* Parser hook-based extension to show audio and video players
* from YouTube and other similar sites.
*
* @file
* @ingroup Extensions
* @author Przemek Piotrowski <[email protected]> for Wikia, Inc.
* @copyright © 2006-2008, Wikia Inc.
* @license GPL-2.0-or-later
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
* USA
*
* @todo one class (family) to rule 'em all
* @todo make width/height_max != width/height_default; aoaudio height may be large - long playlist
* @todo smart <video> and <audio> tag
*/
class YouTube {
/**
* Register all the new tags with the Parser.
*
* @param Parser &$parser
*/
public static function registerTags( &$parser ) {
$parser->setHook( 'youtube', [ __CLASS__, 'embedYouTube' ] );
$parser->setHook( 'gvideo', [ __CLASS__, 'embedGoogleVideo' ] );
$parser->setHook( 'aovideo', [ __CLASS__, 'embedArchiveOrgVideo' ] );
$parser->setHook( 'aoaudio', [ __CLASS__, 'embedArchiveOrgAudio' ] );
$parser->setHook( 'nicovideo', [ __CLASS__, 'embedNicovideo' ] );
/* $parser->setHook( 'wegame', [ __CLASS__, 'embedWeGame' ] );
$parser->setHook( 'tangler', [ __CLASS__, 'embedTangler' ] );
$parser->setHook( 'gtrailer', [ __CLASS__, 'embedGametrailers' ] ); */
}
/**
* Get the YouTube video ID from the supplied URL.
*
* @param string $url YouTube video URL
* @return string|bool Video ID on success, boolean false on failure
*/
public static function url2ytid( $url ) {
// @see http://linuxpanda.wordpress.com/2013/07/24/ultimate-best-regex-pattern-to-get-grab-parse-youtube-video-id-from-any-youtube-link-url/
$pattern = '~(?:http|https|)(?::\/\/|)(?:www.|)(?:youtu\.be\/|youtube\.com(?:\/embed\/|\/v\/|\/watch\?v=|\/ytscreeningroom\?v=|\/feeds\/api\/videos\/|\/user\S*[^\w\-\s]|\S*[^\w\-\s]))([\w\-]{11})[a-z0-9;:@?&%=+\/\$_.-]*~i';
$id = false;
if ( preg_match( $pattern, $url, $preg ) ) {
$id = $preg[1];
} elseif ( preg_match( '/([0-9A-Za-z_-]+)/', $url, $preg ) ) {
$id = $preg[1];
}
return $id;
}
public static function embedYouTube( $input, $argv, $parser ) {
$ytid = '';
$width = $width_max = 425;
$height = $height_max = 355;
if ( !empty( $argv['ytid'] ) ) {
$ytid = self::url2ytid( $argv['ytid'] );
} elseif ( !empty( $input ) ) {
$ytid = self::url2ytid( $input );
}
// Did we not get an ID at all? That can happen if someone enters outright
// gibberish and/or something that's not a YouTube URL.
// Let's not even bother with generating useless HTML.
if ( $ytid === false ) {
return '';
}
// Support the pixel unit (px) in height/width parameters, because apparently
// a lot of people use it there.
// This way these parameters won't fail the filter_var() tests below if the
// user-supplied values were like 450px or 200px or something instead of
// 450 or 200
if ( !empty( $argv['height'] ) ) {
$argv['height'] = str_replace( 'px', '', $argv['height'] );
}
if ( !empty( $argv['width'] ) ) {
$argv['width'] = str_replace( 'px', '', $argv['width'] );
}
// Define urlArgs - container for every URL argument.
$urlArgs = [];
// Got a timestamp to start on? If yes, include it in URL.
if (
!empty( $argv['start'] ) &&
filter_var( $argv['start'], FILTER_VALIDATE_INT, [ 'options' => [ 'min_range' => 0 ] ] )
) {
$urlArgs['start'] = $argv['start'];
}
// Go through all the potential URL arguments and get them into one string.
$argsStr = '';
if ( !empty( $urlArgs ) ) {
$argsStr = wfArrayToCgi( $urlArgs );
}
// If the type argument wasn't supplied, default to HTML5, since that's
// what YouTube offers by default as well
$width = 560;
$height = 315;
$maxWidth = 960;
$maxHeight = 720;
if (
!empty( $argv['width'] ) &&
filter_var( $argv['width'], FILTER_VALIDATE_INT, [ 'options' => [ 'min_range' => 0 ] ] ) &&
$argv['width'] <= $maxWidth
) {
$width = $argv['width'];
}
if (
!empty( $argv['height'] ) &&
filter_var( $argv['height'], FILTER_VALIDATE_INT, [ 'options' => [ 'min_range' => 0 ] ] ) &&
$argv['height'] <= $maxHeight
) {
$height = $argv['height'];
}
// Support YouTube's "enhanced privacy mode", in which "YouTube won’t
// store information about visitors on your web page unless they play
// the video" if the privacy argument was supplied
// @see https://support.google.com/youtube/answer/171780?expand=PrivacyEnhancedMode#privacy
$urlBase = '//www.youtube-nocookie.com/embed/';
if ( !empty( $ytid ) ) {
$url = $urlBase . $ytid . $argsStr;
return "<iframe width=\"{$width}\" height=\"{$height}\" src=\"{$url}\" frameborder=\"0\" allowfullscreen></iframe>";
}
}
public static function url2gvid( $url ) {
$id = $url;
if ( preg_match( '/^http:\/\/video\.google\.com\/videoplay\?docid=([^&]+)(&hl=.+)?$/', $url, $preg ) ) {
$id = $preg[1];
} elseif ( preg_match( '/^http:\/\/video\.google\.com\/googleplayer\.swf\?docId=(.+)$/', $url, $preg ) ) {
$id = $preg[1];
}
preg_match( '/([0-9-]+)/', $id, $preg );
$id = $preg[1];
return $id;
}
public static function embedGoogleVideo( $input, $argv, $parser ) {
$gvid = '';
$width = $width_max = 400;
$height = $height_max = 326;
if ( !empty( $argv['gvid'] ) ) {
$gvid = self::url2gvid( $argv['gvid'] );
} elseif ( !empty( $input ) ) {
$gvid = self::url2gvid( $input );
}
if ( !empty( $argv['width'] ) && settype( $argv['width'], 'integer' ) && ( $width_max >= $argv['width'] ) ) {
$width = $argv['width'];
}
if ( !empty( $argv['height'] ) && settype( $argv['height'], 'integer' ) && ( $height_max >= $argv['height'] ) ) {
$height = $argv['height'];
}
if ( !empty( $gvid ) ) {
$url = "http://video.google.com/googleplayer.swf?docId={$gvid}";
return "<object type=\"application/x-shockwave-flash\" data=\"{$url}\" width=\"{$width}\" height=\"{$height}\"><param name=\"movie\" value=\"{$url}\"/><param name=\"wmode\" value=\"transparent\"/></object>";
}
}
public static function url2aovid( $url ) {
$id = $url;
if ( preg_match( '/http:\/\/www\.archive\.org\/download\/(.+)\.flv$/', $url, $preg ) ) {
$id = $preg[1];
}
preg_match( '/([0-9A-Za-z_\/.]+)/', $id, $preg );
$id = $preg[1];
return $id;
}
public static function embedArchiveOrgVideo( $input, $argv, $parser ) {
$aovid = '';
$width = $width_max = 320;
$height = $height_max = 263;
if ( !empty( $argv['aovid'] ) ) {
$aovid = self::url2aovid( $argv['aovid'] );
} elseif ( !empty( $input ) ) {
$aovid = self::url2aovid( $input );
}
if (
!empty( $argv['width'] ) &&
settype( $argv['width'], 'integer' ) &&
( $width_max >= $argv['width'] )
) {
$width = $argv['width'];
}
if (
!empty( $argv['height'] ) &&
settype( $argv['height'], 'integer' ) &&
( $height_max >= $argv['height'] )
) {
$height = $argv['height'];
}
if ( !empty( $aovid ) ) {
$url = "http://www.archive.org/download/{$aovid}.flv";
return "<object type=\"application/x-shockwave-flash\" data=\"http://www.archive.org/flv/FlowPlayerWhite.swf\" width=\"{$width}\" height=\"{$height}\"><param name=\"movie\" value=\"http://www.archive.org/flv/FlowPlayerWhite.swf\"/><param name=\"flashvars\" value=\"config={loop: false, videoFile: '{$url}', autoPlay: false}\"/></object>";
}
}
public static function url2aoaid( $url ) {
$id = $url;
if ( preg_match( '/http:\/\/www\.archive\.org\/details\/(.+)$/', $url, $preg ) ) {
$id = $preg[1];
}
preg_match( '/([0-9A-Za-z_\/.-]+)/', $id, $preg );
$id = $preg[1];
return $id;
}
public static function embedArchiveOrgAudio( $input, $argv, $parser ) {
$aoaid = '';
$width = $width_max = 500;
$height = $height_max = 190;
if ( !empty( $argv['aoaid'] ) ) {
$aoaid = self::url2aoaid( $argv['aoaid'] );
} elseif ( !empty( $input ) ) {
$aoaid = self::url2aoaid( $input );
}
if (
!empty( $argv['width'] ) &&
settype( $argv['width'], 'integer' ) &&
( $width_max >= $argv['width'] )
) {
$width = $argv['width'];
}
if (
!empty( $argv['height'] ) &&
settype( $argv['height'], 'integer' ) &&
( $height_max >= $argv['height'] )
) {
$height = $argv['height'];
}
if ( !empty( $aoaid ) ) {
$uri = "https://archive.org/embed/$aoaid";
if ( !empty( $argv['playlist'] ) ) {
$uri .= "&playlist=" . (bool)$argv['playlist'];
}
return "<iframe src=\"$uri\" width=\"$width\" height=\"$height\" frameborder=\"0\" webkitallowfullscreen=\"true\" mozallowfullscreen=\"true\" allowfullscreen></iframe>";
}
}
public static function url2nvid( $url ) {
$id = $url;
preg_match( '/([0-9A-Za-z]+)/', $id, $preg );
$id = $preg[1];
return $id;
}
public static function embedNicovideo( $input, $argv, $parser ) {
$nvid = '';
$width = 400;
$height = 326;
if ( !empty( $argv['nvid'] ) ) {
$nvid = self::url2nvid( $argv['nvid'] );
} elseif ( !empty( $input ) ) {
$nvid = self::url2nvid( $input );
}
if (
!empty( $argv['width'] ) &&
settype( $argv['width'], 'integer' )
) {
$width = $argv['width'];
}
if (
!empty( $argv['height'] ) &&
settype( $argv['height'], 'integer' )
) {
$height = $argv['height'];
}
if ( !empty( $nvid ) ) {
$url = "https://embed.nicovideo.jp/watch/{$nvid}";
return "<iframe width=\"{$width}\" height=\"{$height}\" src=\"{$url}\"></iframe>";
}
}
/* public static function url2weid( $url ) {
$id = $url;
if ( preg_match( '/^http:\/\/www\.wegame\.com\/watch\/(.+)\/$/', $url, $preg ) ) {
$id = $preg[1];
}
preg_match( '/([0-9A-Za-z_-]+)/', $id, $preg );
$id = $preg[1];
return $id;
}
public static function embedWeGame( $input, $argv, $parser ) {
$weid = '';
$width = $width_max = 488;
$height = $height_max = 387;
if ( !empty( $argv['weid'] ) ) {
$weid = self::url2weid( $argv['weid'] );
} elseif ( !empty( $input ) ) {
$weid = self::url2weid( $input );
}
if (
!empty( $argv['width'] ) &&
settype( $argv['width'], 'integer' ) &&
( $width_max >= $argv['width'] )
) {
$width = $argv['width'];
}
if (
!empty( $argv['height'] ) &&
settype( $argv['height'], 'integer' ) &&
( $height_max >= $argv['height'] )
) {
$height = $argv['height'];
}
if ( !empty( $weid ) ) {
return "<object type=\"application/x-shockwave-flash\" data=\"http://www.wegame.com/static/flash/player2.swf\" width=\"{$width}\" height=\"{$height}\"><param name=\"flashvars\" value=\"tag={$weid}\"/></object>";
}
}
public static function url2tgid( $input ) {
$tid = $gid = 0;
if ( preg_match( '/^id=([0-9]+)\|gId=([0-9]+)$/i', $input, $preg ) ) {
$tid = $preg[1];
$gid = $preg[2];
} elseif ( preg_match( '/^gId=([0-9]+)\|id=([0-9]+)$/i', $input, $preg ) ) {
$tid = $preg[2];
$gid = $preg[1];
} elseif ( preg_match( '/^([0-9]+)\|([0-9]+)$/', $input, $preg ) ) {
$tid = $preg[1];
$gid = $preg[2];
}
return [ $tid, $gid ];
}
public static function embedTangler( $input, $argv, $parser ) {
$tid = $gid = '';
if ( !empty( $argv['tid'] ) && !empty( $argv['gid'] ) ) {
list( $tid, $gid ) = self::url2tgid( "{$argv['tid']}|{$argv['gid']}" );
} elseif ( !empty( $input ) ) {
list( $tid, $gid ) = self::url2tgid( $input );
}
if ( !empty( $tid ) && !empty( $gid ) ) {
return "<p style=\"width: 410px; height: 480px\" id=\"tangler-embed-topic-{$tid}\"></p><script src=\"http://www.tangler.com/widget/embedtopic.js?id={$tid}&gId={$gid}\"></script>";
}
}
public static function url2gtid( $url ) {
$id = $url;
if ( preg_match( '/^http:\/\/www\.gametrailers\.com\/player\/(.+)\.html$/', $url, $preg ) ) {
$id = $preg[1];
} elseif ( preg_match( '/^http:\/\/www\.gametrailers\.com\/remote_wrap\.php\?mid=(.+)$/', $url, $preg ) ) {
$id = $preg[1];
}
preg_match( '/([0-9]+)/', $id, $preg );
$id = $preg[1];
return $id;
}
public static function embedGametrailers( $input, $argv, $parser ) {
$gtid = '';
$width = $width_max = 480;
$height = $height_max = 392;
if ( !empty( $argv['gtid'] ) ) {
$gtid = self::url2gtid( $argv['gtid'] );
} elseif ( !empty( $input ) ) {
$gtid = self::url2gtid( $input );
}
if (
!empty( $argv['width'] ) &&
settype( $argv['width'], 'integer' ) &&
( $width_max >= $argv['width'] )
) {
$width = $argv['width'];
}
if (
!empty( $argv['height'] ) &&
settype( $argv['height'], 'integer' ) &&
( $height_max >= $argv['height'] )
) {
$height = $argv['height'];
}
if ( !empty( $gtid ) ) {
$url = "http://www.gametrailers.com/remote_wrap.php?mid={$gtid}";
// return "<object type=\"application/x-shockwave-flash\" width=\"{$width}\" height=\"{$height}\"><param name=\"movie\" value=\"{$url}\"/></object>";
// gametrailers' flash doesn't work on FF with object tag alone )-: weird, yt and gvideo are ok )-: valid xhtml no more )-:
return "<object classid=\"clsid:d27cdb6e-ae6d-11cf-96b8-444553540000\" codebase=\"http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=8,0,0,0\" id=\"gtembed\" width=\"{$width}\" height=\"{$height}\"> <param name=\"allowScriptAccess\" value=\"sameDomain\" /> <param name=\"allowFullScreen\" value=\"true\" /> <param name=\"movie\" value=\"{$url}\"/> <param name=\"quality\" value=\"high\" /> <embed src=\"{$url}\" swLiveConnect=\"true\" name=\"gtembed\" align=\"middle\" allowScriptAccess=\"sameDomain\" allowFullScreen=\"true\" quality=\"high\" pluginspage=\"http://www.macromedia.com/go/getflashplayer\" type=\"application/x-shockwave-flash\" width=\"{$width}\" height=\"{$height}\"></embed> </object>";
}
} */
}