lib/plugin/YouTube.php

   1 <?php // -*-php-*-
   2 // $Id$
   3 /*
   4  * Copyright 2007 Reini Urban
   5  * Copyright 2008 Marc-Etienne Vargenau, Alcatel-Lucent
   6  *
   7  * This file is part of PhpWiki.
   8  *
   9  * PhpWiki is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * PhpWiki is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with PhpWiki; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  22  */
  23
  24 /**
  25  * Embed YouTube videos
  26  *
  27  * Browse: Daily pick, Most Recent, Most Viewed, Top Rated, Most Discussed, Top Favorites, Most Linked,
  28  *         Recently Featured, Most Responded, Watch on Mobile
  29  * Time:   Today, This Week, This Month, All Time
  30  * Category: All, Autos & Vehicles, Comedy, Entertainment, Film & Animation,
  31  *         Gadgets & Games, Howto & DIY, Music, News & Politics, People & Blogs, Pets & Animals,
  32  *         Sports, Travel & Places
  33  * Language: All, English, Spanish, Japanese, German, Chinese, French
  34  * @author: Reini Urban
  35  */
  36
  37 class WikiPlugin_YouTube
  38 extends WikiPlugin
  39 {
  40     function getName () {
  41         return _("YouTube");
  42     }
  43
  44     function getDescription () {
  45         return _("Embed YouTube videos");
  46     }
  47
  48     function getDefaultArguments() {
  49         return array('v' => "",
  50                      'browse' => '',      // see above
  51                      'time'   => '',      // only if browse
  52                      'category' => '',    // only if browse
  53                      'language' => '',    // only if browse
  54                      'index'    => 0,     // only if browse
  55                      'style' => 'inline', // or link. link links to youtube.
  56                      'size'  => 'medium', // or large, medium or small
  57                      'autoplay' => 0,
  58                      'width' => "425",
  59                      'height' => "350");
  60     }
  61
  62     function run($dbi, $argstr, &$request, $basepage) {
  63         $args = $this->getArgs($argstr, $request);
  64         extract($args);
  65         if (empty($args['v'])) {
  66             if (empty($args['browse']))
  67                 return $this->error(fmt("Required argument %s missing", "v"));
  68             $this->_browse = array("Most Recent"   => "mr",
  69                                        "Most Viewed"   => "mp",
  70                                        "Top Rated"     => "tr",
  71                                        "Most Discussed"=> "md",
  72                                    "Top Favorites" => "mf",
  73                                    "Most Linked"   => "mrd",
  74                                    "Recently Featured"=> "rf",
  75                                    "Most Responded"   => "ms",
  76                                    "Watch on Mobile"  => "mv");
  77             $this->browse   = array_keys($this->_browse);
  78             array_unshift($this->browse, "Daily Pick");
  79             $this->_time    = array("Today" => "t",
  80                                     "This Week" => "w",
  81                                     "This Month" => "m",
  82                                     "All Time" => "a");
  83             $this->_category = array("All"                 => "0",
  84                                      "Autos & Vehicles" => "2",
  85                                      "Comedy"                 => "23",
  86                                      "Entertainment"         => "24",
  87                                      "Film & Animation" => "1",
  88                                      "Gadgets & Games"         => "20",
  89                                      "Howto & DIY"         => "26",
  90                                      "Music"                 => "10",
  91                                      "News & Politics"         => "25",
  92                                      "People & Blogs"         => "22",
  93                                      "Pets & Animals"         => "15",
  94                                      "Sports"                 => "17",
  95                                      "Travel & Places"         => "19");
  96             $this->_language = array("All"     => "",
  97                                      "English" => "EN",
  98                                      "Spanish" => "ES",
  99                                      "Japanese"=> "JA",
 100                                      "German"  => "DE",
 101                                      "Chinese" => "CN",
 102                                      "French"  => "FR");
 103             if (!in_array($browse,$this->browse))
 104                 return $this->error(fmt("Invalid argument %s", "browse"));
 105             if ($time and !in_array($time,array_keys($this->_time)))
 106                 return $this->error(fmt("Invalid argument %s", "time"));
 107             if ($category and !in_array($category,$this->category))
 108                 return $this->error(fmt("Invalid argument %s", "category"));
 109             if ($language and !in_array($language,$this->language))
 110                 return $this->error(fmt("Invalid argument %s", "language"));
 111             if ($browse == "Daily Pick")
 112                 $v = $this->Daily_pick();
 113             else {
 114                 $s = $this->_browse[$browse];
 115                 $t = $time ? $this->_time[$time] : 't';
 116                 $c = $category ? $this->_category[$category] : '0';
 117                 $l = $language ? $this->_language[$language] : '';
 118                     $url = "http://www.youtube.com/browse?s=$s&t=$t&c=$c&l=$l";
 119                 $m = array('','');
 120                 if ($xml = url_get_contents($url)) {
 121                     if ($index) {
 122                         if (preg_match_all('/<div class="vtitle">.*?\n.*?<a href="\/watch\?v=(\w+)" onclick=/s', $xml, $m))
 123                             $v = $m[1][$index];
 124                     }
 125                     else {
 126                         if (preg_match('/<div class="vtitle">.*?\n.*?<a href="\/watch\?v=(\w+)" onclick=/s', $xml, $m))
 127                             $v = $m[1];
 128                     }
 129                 }
 130             }
 131         }
 132         // sanify check
 133         if (strlen($v) < 10 or strlen($v) > 12)
 134             return $this->error(fmt("Invalid argument %s", "v"));
 135         if (strcspn($v,"-_0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"))
 136             return $this->error(fmt("Invalid argument %s", "v"));
 137         $url = "http://www.youtube.com/v/" . $v;
 138         if ($autoplay)
 139             $url .= "?autoplay=1";
 140         if ($size != 'medium') {
 141             if ($size == 'large') { $width = 640; $height = 526; }
 142             elseif ($size == 'small') { $width = 240; $height = 200; }
 143         }
 144         unset($args['size']);
 145         unset($args['style']);
 146         $args['src'] = $v;
 147         unset($args['v']);
 148         if ($style == 'link') {
 149             if ($size == 'medium') { $width = 130; $height = 97; }
 150             elseif ($size == 'large') { $width = 320; $height = 240; }
 151             elseif ($size == 'small') { $width = 90; $height = 60; }
 152             // img: http://img.youtube.com/vi/KKTDRqQtPO8/2.jpg or 0.jpg
 153             $link = HTML::a(array('href' => $url),
 154                             HTML::img(array('src' => "http://img.youtube.com/vi/".
 155                                             $v."/".(($size == 'large')?"0":"2").".jpg",
 156                                             'width' => $width,
 157                                             'height' => $height,
 158                                             'alt' => "YouTube video $v")));
 159             return $link;
 160         }
 161         $object = HTML::object(array('class' => 'inlineobject',
 162                                      'width' => $width,
 163                                      'height' => $height,
 164                                      ));
 165         $attrs = array('data' => $url,
 166                        'type' => 'application/x-shockwave-flash',
 167                        'width' => $width,
 168                        'height' => $height);
 169         if (isBrowserSafari()) {
 170             return HTML::object($attrs);
 171         }
 172         $object->pushContent(HTML::param(array('name' => 'movie', 'value' => $url)));
 173         $object->pushContent(HTML::param(array('name' => 'wmode', 'value' => 'transparent')));
 174         $object->pushContent(HTML::object($attrs));
 175         return $object;
 176     }
 177
 178     function Daily_pick() {
 179         if ($xml = url_get_contents("http://www.youtube.com/categories")) {
 180             if (preg_match('/<div class="heading"><b>Pick of The Day<\/b><\/div>.*?<a href="\/watch\?v=(\w+)">/s', $xml, $m))
 181                 return $m[1];
 182         }
 183         return '';
 184     }
 185 };
 186
 187 // Local Variables:
 188 // mode: php
 189 // tab-width: 8
 190 // c-basic-offset: 4
 191 // c-hanging-comment-ender-p: nil
 192 // indent-tabs-mode: nil
 193 // End:
 194 ?>