plugins/af_redditimgur/init.php

   1 <?php
   2 class Af_RedditImgur extends Plugin {
   3         private $host;
   4
   5         function about() {
   6                 return array(1.0,
   7                         "Inline image links in Reddit RSS feeds",
   8                         "fox");
   9         }
  10
  11         function init($host) {
  12                 $this->host = $host;
  13
  14                 $host->add_hook($host::HOOK_ARTICLE_FILTER, $this);
  15         }
  16
  17         function hook_article_filter($article) {
  18
  19                 if (strpos($article["link"], "reddit.com/r/") !== FALSE) {
  20                                 $doc = new DOMDocument();
  21                                 @$doc->loadHTML($article["content"]);
  22
  23                                 if ($doc) {
  24                                         $xpath = new DOMXPath($doc);
  25                                         $entries = $xpath->query('(//a[@href]|//img[@src])');
  26
  27                                         $found = false;
  28
  29                                         foreach ($entries as $entry) {
  30                                                 if ($entry->hasAttribute("href")) {
  31
  32                                                         $matches = array();
  33
  34                                                         if (preg_match("/https?:\/\/gfycat.com\/([a-z]+)$/i", $entry->getAttribute("href"), $matches)) {
  35
  36                                                                 $tmp = fetch_file_contents($entry->getAttribute("href"));
  37
  38                                                                 if ($tmp) {
  39                                                                         $tmpdoc = new DOMDocument();
  40                                                                         @$tmpdoc->loadHTML($tmp);
  41
  42                                                                         if ($tmpdoc) {
  43                                                                                 $tmpxpath = new DOMXPath($tmpdoc);
  44                                                                                 $source_meta = $tmpxpath->query("//meta[@property='og:video']")->item(0);
  45
  46                                                                                 if ($source_meta) {
  47                                                                                         $source_stream = $source_meta->getAttribute("content");
  48
  49                                                                                         if ($source_stream) {
  50                                                                                                 $this->handle_as_video($doc, $entry, $source_stream);
  51                                                                                                 $found = 1;
  52                                                                                         }
  53                                                                                 }
  54                                                                         }
  55                                                                 }
  56
  57                                                         }
  58
  59                                                         if (preg_match("/\.(gifv)$/i", $entry->getAttribute("href"))) {
  60
  61                                                                 /*$video = $doc->createElement('video');
  62                                                                 $video->setAttribute("autoplay", "1");
  63                                                                 $video->setAttribute("loop", "1");
  64
  65                                                                 $source = $doc->createElement('source');
  66                                                                 $source->setAttribute("src", str_replace(".gifv", ".mp4", $entry->getAttribute("href")));
  67                                                                 $source->setAttribute("type", "video/mp4");
  68
  69                                                                 $video->appendChild($source);
  70
  71                                                                 $br = $doc->createElement('br');
  72                                                                 $entry->parentNode->insertBefore($video, $entry);
  73                                                                 $entry->parentNode->insertBefore($br, $entry);
  74
  75                                                                 $img = $doc->createElement('img');
  76                                                                 $img->setAttribute("src",
  77                                                                         "data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D");
  78
  79                                                                 $entry->parentNode->insertBefore($img, $entry);*/
  80
  81                                                                 $source_stream = str_replace(".gifv", ".mp4", $entry->getAttribute("href"));
  82                                                                 $this->handle_as_video($doc, $entry, $source_stream);
  83
  84                                                                 $found = true;
  85                                                         }
  86
  87                                                         if (preg_match("/\.(jpg|jpeg|gif|png)(\?[0-9][0-9]*)?$/i", $entry->getAttribute("href"))) {
  88                                                                 $img = $doc->createElement('img');
  89                                                                 $img->setAttribute("src", $entry->getAttribute("href"));
  90
  91                                                                 $br = $doc->createElement('br');
  92                                                                 $entry->parentNode->insertBefore($img, $entry);
  93                                                                 $entry->parentNode->insertBefore($br, $entry);
  94
  95                                                                 $found = true;
  96                                                         }
  97
  98                                                         // links to imgur pages
  99                                                         $matches = array();
 100                                                         if (preg_match("/^https?:\/\/(m\.)?imgur.com\/([^\.\/]+$)/", $entry->getAttribute("href"), $matches)) {
 101
 102                                                                 $token = $matches[2];
 103
 104                                                                 $album_content = fetch_file_contents($entry->getAttribute("href"),
 105                                                                         false, false, false, false, 10);
 106
 107                                                                 if ($album_content && $token) {
 108                                                                         $adoc = new DOMDocument();
 109                                                                         @$adoc->loadHTML($album_content);
 110
 111                                                                         if ($adoc) {
 112                                                                                 $axpath = new DOMXPath($adoc);
 113                                                                                 $aentries = $axpath->query('(//img[@src])');
 114
 115                                                                                 foreach ($aentries as $aentry) {
 116                                                                                         if (preg_match("/\/\/i.imgur.com\/$token\./", $aentry->getAttribute("src"))) {
 117                                                                                                 $img = $doc->createElement('img');
 118                                                                                                 $img->setAttribute("src", $aentry->getAttribute("src"));
 119
 120                                                                                                 $br = $doc->createElement('br');
 121
 122                                                                                                 $entry->parentNode->insertBefore($img, $entry);
 123                                                                                                 $entry->parentNode->insertBefore($br, $entry);
 124
 125                                                                                                 $found = true;
 126
 127                                                                                                 break;
 128                                                                                         }
 129                                                                                 }
 130                                                                         }
 131                                                                 }
 132                                                         }
 133
 134                                                         // linked albums, ffs
 135                                                         if (preg_match("/^https?:\/\/imgur.com\/(a|album|gallery)\/[^\.]+$/", $entry->getAttribute("href"), $matches)) {
 136
 137                                                                 $album_content = fetch_file_contents($entry->getAttribute("href"),
 138                                                                         false, false, false, false, 10);
 139
 140                                                                 if ($album_content) {
 141                                                                         $adoc = new DOMDocument();
 142                                                                         @$adoc->loadHTML($album_content);
 143
 144                                                                         if ($adoc) {
 145                                                                                 $axpath = new DOMXPath($adoc);
 146                                                                                 $aentries = $axpath->query("//meta[@property='og:image']");
 147                                                                                 $urls = array();
 148
 149                                                                                 foreach ($aentries as $aentry) {
 150
 151                                                                                         if (!in_array($aentry->getAttribute("content"), $urls)) {
 152                                                                                                 $img = $doc->createElement('img');
 153                                                                                                 $img->setAttribute("src", $aentry->getAttribute("content"));
 154                                                                                                 $entry->parentNode->insertBefore($doc->createElement('br'), $entry);
 155
 156                                                                                                 $br = $doc->createElement('br');
 157
 158                                                                                                 $entry->parentNode->insertBefore($img, $entry);
 159                                                                                                 $entry->parentNode->insertBefore($br, $entry);
 160
 161                                                                                                 array_push($urls, $aentry->getAttribute("content"));
 162
 163                                                                                                 $found = true;
 164                                                                                         }
 165                                                                                 }
 166                                                                         }
 167                                                                 }
 168                                                         }
 169                                                 }
 170
 171                                                 // remove tiny thumbnails
 172                                                 if ($entry->hasAttribute("src")) {
 173                                                         if ($entry->parentNode && $entry->parentNode->parentNode) {
 174                                                                 $entry->parentNode->parentNode->removeChild($entry->parentNode);
 175                                                         }
 176                                                 }
 177                                         }
 178
 179                                         $node = $doc->getElementsByTagName('body')->item(0);
 180
 181                                         if ($node && $found) {
 182                                                 $article["content"] = $doc->saveXML($node);
 183                                         }
 184                                 }
 185                 }
 186
 187                 return $article;
 188         }
 189
 190         function api_version() {
 191                 return 2;
 192         }
 193
 194         private function handle_as_video($doc, $entry, $source_stream) {
 195
 196                 $video = $doc->createElement('video');
 197                 $video->setAttribute("autoplay", "1");
 198                 $video->setAttribute("controls", "1");
 199                 $video->setAttribute("loop", "1");
 200
 201                 $source = $doc->createElement('source');
 202                 $source->setAttribute("src", $source_stream);
 203                 $source->setAttribute("type", "video/mp4");
 204
 205                 $video->appendChild($source);
 206
 207                 $br = $doc->createElement('br');
 208                 $entry->parentNode->insertBefore($video, $entry);
 209                 $entry->parentNode->insertBefore($br, $entry);
 210
 211                 $img = $doc->createElement('img');
 212                 $img->setAttribute("src",
 213                         "data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D");
 214
 215                 $entry->parentNode->insertBefore($img, $entry);
 216         }
 217 }
 218 ?>