lib/plugin/YouTube.php

   1 <?php // -*-php-*-
   2 rcs_id('$Id$');
   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 getVersion() {
  49         return preg_replace("/[Revision: $]/", '',"\$Revision$");
  50     }
  51
  52     function getDefaultArguments() {
  53         return array('v' => "",
  54                      'browse' => '',      // see above
  55                      'time'   => '',      // only if browse
  56                      'category' => '',    // only if browse
  57                      'language' => '',    // only if browse
  58                      'index'    => 0,     // only if browse
  59                      'style' => 'inline', // or link. link links to youtube.
  60                      'size'  => 'medium', // or large, medium or small
  61                      'autoplay' => 0,
  62                      'width' => "425",
  63                      'height' => "350");
  64     }
  65
  66     function run($dbi, $argstr, &$request, $basepage) {
  67         $args = $this->getArgs($argstr, $request);
  68         extract($args);
  69         if (empty($args['v'])) {
  70             if (empty($args['browse']))
  71                 return $this->error(fmt("Required argument %s missing", "v"));
  72             $this->_browse = array("Most Recent"   => "mr",
  73                                    "Most Viewed"   => "mp",
  74                                    "Top Rated"     => "tr",
  75                                    "Most Discussed"=> "md",
  76                                    "Top Favorites" => "mf",
  77                                    "Most Linked"   => "mrd",
  78                                    "Recently Featured"=> "rf",
  79                                    "Most Responded"   => "ms",
  80                                    "Watch on Mobile"  => "mv");
  81             $this->browse   = array_keys($this->_browse);
  82             array_unshift($this->browse, "Daily Pick");
  83             $this->_time    = array("Today" => "t",
  84                                     "This Week" => "w",
  85                                     "This Month" => "m",
  86                                     "All Time" => "a");
  87             $this->_category = array("All"              => "0",
  88                                      "Autos & Vehicles" => "2",
  89                                      "Comedy"           => "23",
  90                                      "Entertainment"    => "24",
  91                                      "Film & Animation" => "1",
  92                                      "Gadgets & Games"  => "20",
  93                                      "Howto & DIY"      => "26",
  94                                      "Music"            => "10",
  95                                      "News & Politics"  => "25",
  96                                      "People & Blogs"   => "22",
  97                                      "Pets & Animals"   => "15",
  98                                      "Sports"           => "17",
  99                                      "Travel & Places"  => "19");
 100             $this->_language = array("All"     => "",
 101                                      "English" => "EN",
 102                                      "Spanish" => "ES",
 103                                      "Japanese"=> "JA",
 104                                      "German"  => "DE",
 105                                      "Chinese" => "CN",
 106                                      "French"  => "FR");
 107             if (!in_array($browse,$this->browse))
 108                 return $this->error(fmt("Invalid argument %s", "browse"));
 109             if ($time and !in_array($time,array_keys($this->_time)))
 110                 return $this->error(fmt("Invalid argument %s", "time"));
 111             if ($category and !in_array($category,$this->category))
 112                 return $this->error(fmt("Invalid argument %s", "category"));
 113             if ($language and !in_array($language,$this->language))
 114                 return $this->error(fmt("Invalid argument %s", "language"));
 115             if ($browse == "Daily Pick")
 116                 $v = $this->Daily_pick();
 117             else {
 118                 $s = $this->_browse[$browse];
 119                 $t = $time ? $this->_time[$time] : 't';
 120                 $c = $category ? $this->_category[$category] : '0';
 121                 $l = $language ? $this->_language[$language] : '';
 122                 $url = "http://www.youtube.com/browse?s=$s&t=$t&c=$c&l=$l";
 123                 $m = array('','');
 124                 if ($xml = url_get_contents($url)) {
 125                     if ($index) {
 126                         if (preg_match_all('/<div class="vtitle">.*?\n.*?<a href="\/watch\?v=(\w+)" onclick=/s', $xml, $m))
 127                             $v = $m[1][$index];
 128                     }
 129                     else {
 130                         if (preg_match('/<div class="vtitle">.*?\n.*?<a href="\/watch\?v=(\w+)" onclick=/s', $xml, $m))
 131                             $v = $m[1];
 132                     }
 133                 }
 134             }
 135         }
 136         // sanify check
 137         if (strlen($v) < 10 or strlen($v) > 12)
 138             return $this->error(fmt("Invalid argument %s", "v"));
 139         if (strcspn($v,"-_0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"))
 140             return $this->error(fmt("Invalid argument %s", "v"));
 141         $url = "http://www.youtube.com/v/" . $v;
 142         if ($autoplay)
 143             $url .= "?autoplay=1";
 144         if ($size != 'medium') {
 145             if ($size == 'large') { $width = 640; $height = 526; }
 146             elseif ($size == 'small') { $width = 240; $height = 200; }
 147         }
 148         unset($args['size']);
 149         unset($args['style']);
 150         $args['src'] = $v;
 151         unset($args['v']);
 152         if ($style == 'link') {
 153             if ($size == 'medium') { $width = 130; $height = 97; }
 154             elseif ($size == 'large') { $width = 320; $height = 240; }
 155             elseif ($size == 'small') { $width = 90; $height = 60; }
 156             // img: http://img.youtube.com/vi/KKTDRqQtPO8/2.jpg or 0.jpg
 157             $link = HTML::a(array('href' => $url),
 158                             HTML::img(array('src' => "http://img.youtube.com/vi/".
 159                                             $v."/".(($size == 'large')?"0":"2").".jpg",
 160                                             'width' => $width,
 161                                             'height' => $height,
 162                                             'alt' => "YouTube video $v")));
 163             return $link;
 164         }
 165         $object = HTML::object(array('class' => 'inlineobject',
 166                                      'width' => $width,
 167                                      'height' => $height,
 168                                      ));
 169         $attrs = array('data' => $url,
 170                        'type' => 'application/x-shockwave-flash',
 171                        'width' => $width,
 172                        'height' => $height);
 173         if (isBrowserSafari()) {
 174             return HTML::object($attrs);
 175         }
 176         $object->pushContent(HTML::param(array('name' => 'movie', 'value' => $url)));
 177         $object->pushContent(HTML::param(array('name' => 'wmode', 'value' => 'transparent')));
 178         $object->pushContent(HTML::object($attrs));
 179         return $object;
 180     }
 181
 182     function Daily_pick() {
 183         if ($xml = url_get_contents("http://www.youtube.com/categories")) {
 184             if (preg_match('/<div class="heading"><b>Pick of The Day<\/b><\/div>.*?<a href="\/watch\?v=(\w+)">/s', $xml, $m))
 185                 return $m[1];
 186         }
 187         return '';
 188     }
 189 };
 190
 191 // For emacs users
 192 // Local Variables:
 193 // mode: php
 194 // tab-width: 8
 195 // c-basic-offset: 4
 196 // c-hanging-comment-ender-p: nil
 197 // indent-tabs-mode: nil
 198 // End:
 199 ?>