<?php
/*****************************************************************
* Plugin: YouTube
* Description:
*    Replaces the YouTube player with our own player that loads
*    the FLV file directly.
* Author: http://forums.glype.com/index.php?topic=109.180
******************************************************************/

/*****************************************************************
* Override options for this site
******************************************************************/

// Increase timeout to 60 minutes
$toSet[CURLOPT_TIMEOUT] = 7200;

// Strip javascript to simplify the page and stop existing javascript intefering
//$options['stripJS'] = false;
//dont need this

/*****************************************************************
* Pre-parsing applied BEFORE main proxy parser
******************************************************************/

function preParse($input, $type) {

   switch ( $type ) {

      case 'html':

         // Look for video ID and record it
         if ( preg_match('#pageVideoId\s\=\s\'(.{11})\'#', $input, $videoId) ) {
            define('VIDEO_ID', $videoId[1]);
         }

         // Look for T-value. Purpose unknown but seems to be required. Maybe a token
         // to complicate downloading FLV files?
         if ( preg_match('#"t": "(.*)"#', $input, $tValue) ) {
            define('T_VALUE', $tValue[1]);
         }

         // Remove noscript message
         $input = preg_replace('#\<noscript\>Hello, you either have JavaScript turned off or an old version of Adobe.*?\<\/noscript\>#s', '', $input, 1);
		 $input = preg_replace('#var\sfo\s\=\swriteMoviePlayer\(\"watch-player-div\"\)\;#', '', $input, 1);
		 $input = preg_replace('#document.write\(\'Hello, you either have JavaScript turned off or an old version of Adobe.*?\<\/a\>.\'\)\;#s', '', $input, 1);
         break;

   }

   return $input;

}


/*****************************************************************
* Post-parsing applied AFTER main proxy parser.
******************************************************************/

function postParse($input, $type) {

   switch ( $type ) {

      // Apply changes to HTML documents
      case 'html':

         // Check we have a video to show and if not, return unchanged
         if ( ! defined('VIDEO_ID') || ! defined('T_VALUE') ) {
            return $input;
         }

         // Create URL to mediaplayer
         $mediaPlayerUrl = GLYPE_URL . '/plugins/player.swf';

         // Generate URL to flv file and preview image through proxy script

         $flvUrl = rawurlencode(proxifyURL(sprintf('http://www.youtube.com/get_video?video_id=%s&t=%s', VIDEO_ID, T_VALUE)));
         $imgUrl = rawurlencode(proxifyURL(sprintf('http://img.youtube.com/vi/%s/0.jpg', VIDEO_ID)));

         // Generate HTML for the flash object with our new FLV URL
         $html = <<<OUT
<embed src="{$mediaPlayerUrl}"
        width="620"
        height="380"
        bgcolor="000000"
        allowscriptaccess="always"
        allowfullscreen="true"
        type="application/x-shockwave-flash"
        pluginspage="http://www.macromedia.com/go/getflashplayer"
        flashvars="width=480&amp;height=395&amp;type=video&amp;fullscreen=true&amp;volume=100&amp;file={$flvUrl}&amp;image={$imgUrl}" />
OUT;

         // Add our own player into the player div
         $input = preg_replace('#<div id="watch-noplayer-div">#', '<div id="watch-noplayer-div">' . $html, $input, 1);

      break;

   }

return $input;

}
?>