plugins/af_redditimgur/init.php

   1 <?php
   2 class Af_RedditImgur extends Plugin {
   3
   4         private $link;
   5         private $host;
   6
   7         function about() {
   8                 return array(1.0,
   9                         "Inline image links in Reddit RSS feeds",
  10                         "fox");
  11         }
  12
  13         function init($host) {
  14                 $this->link = $host->get_link();
  15                 $this->host = $host;
  16
  17                 $host->add_hook($host::HOOK_ARTICLE_FILTER, $this);
  18         }
  19
  20         function hook_article_filter($article) {
  21
  22                 if (strpos($article["link"], "reddit.com/r/") !== FALSE) {
  23                         $doc = new DOMDocument();
  24                         @$doc->loadHTML($article["content"]);
  25
  26                         if ($doc) {
  27                                 $xpath = new DOMXPath($doc);
  28                                 $entries = $xpath->query('(//a[@href]|//img[@src])');
  29
  30                                 foreach ($entries as $entry) {
  31                                         if ($entry->hasAttribute("href")) {
  32                                                 if (preg_match("/\.(jpg|jpeg|gif|png)$/i", $entry->getAttribute("href"))) {
  33
  34                                                         $img = $doc->createElement('img');
  35                                                         $img->setAttribute("src", $entry->getAttribute("href"));
  36
  37                                                         $entry->parentNode->replaceChild($img, $entry);
  38                                                 }
  39                                         }
  40
  41                                         // remove tiny thumbnails
  42                                         if ($entry->hasAttribute("src")) {
  43                                                 if ($entry->parentNode && $entry->parentNode->parentNode) {
  44                                                         $entry->parentNode->parentNode->removeChild($entry->parentNode);
  45                                                 }
  46                                         }
  47                                 }
  48
  49                                 $node = $doc->getElementsByTagName('body')->item(0);
  50
  51                                 if ($node) {
  52                                         $article["content"] = $doc->saveXML($node, LIBXML_NOEMPTYTAG);
  53                                 }
  54                         }
  55                 }
  56
  57                 return $article;
  58         }
  59 }
  60 ?>