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                                                         if (preg_match("/\.(jpg|jpeg|gif|png)$/i", $entry->getAttribute("href"))) {
  32
  33                                                                 $img = $doc->createElement('img');
  34                                                                 $img->setAttribute("src", $entry->getAttribute("href"));
  35
  36                                                                 $br = $doc->createElement('br');
  37                                                                 $entry->parentNode->insertBefore($img, $entry);
  38                                                                 $entry->parentNode->insertBefore($br, $entry);
  39
  40                                                                 $found = true;
  41                                                         }
  42
  43                                                         // links to imgur pages
  44                                                         $matches = array();
  45                                                         if (preg_match("/^http:\/\/imgur.com\/([^\.\/]+$)/", $entry->getAttribute("href"), $matches)) {
  46
  47                                                                 $token = $matches[1];
  48
  49                                                                 $album_content = fetch_file_contents($entry->getAttribute("href"),
  50                                                                         false, false, false, false, 10);
  51
  52                                                                 if ($album_content && $token) {
  53                                                                         $adoc = new DOMDocument();
  54                                                                         @$adoc->loadHTML($album_content);
  55
  56                                                                         if ($adoc) {
  57                                                                                 $axpath = new DOMXPath($adoc);
  58                                                                                 $aentries = $axpath->query('(//img[@src])');
  59
  60                                                                                 foreach ($aentries as $aentry) {
  61                                                                                         if (preg_match("/\/\/i.imgur.com\/$token\./", $aentry->getAttribute("src"))) {
  62                                                                                                 $img = $doc->createElement('img');
  63                                                                                                 $img->setAttribute("src", $aentry->getAttribute("src"));
  64
  65                                                                                                 $br = $doc->createElement('br');
  66
  67                                                                                                 $entry->parentNode->insertBefore($img, $entry);
  68                                                                                                 $entry->parentNode->insertBefore($br, $entry);
  69
  70                                                                                                 $found = true;
  71
  72                                                                                                 break;
  73                                                                                         }
  74                                                                                 }
  75                                                                         }
  76                                                                 }
  77                                                         }
  78
  79                                                         // linked albums, ffs
  80                                                         if (preg_match("/^http:\/\/imgur.com\/(a|album)\/[^\.]+$/", $entry->getAttribute("href"), $matches)) {
  81
  82                                                                 $album_content = fetch_file_contents($entry->getAttribute("href"),
  83                                                                         false, false, false, false, 10);
  84
  85                                                                 if ($album_content) {
  86                                                                         $adoc = new DOMDocument();
  87                                                                         @$adoc->loadHTML($album_content);
  88
  89                                                                         if ($adoc) {
  90                                                                                 $axpath = new DOMXPath($adoc);
  91                                                                                 $aentries = $axpath->query("//div[@class='image']//a[@href and @class='zoom']");
  92
  93                                                                                 foreach ($aentries as $aentry) {
  94                                                                                         $img = $doc->createElement('img');
  95                                                                                         $img->setAttribute("src", $aentry->getAttribute("href"));
  96                                                                                         $entry->parentNode->insertBefore($doc->createElement('br'), $entry);
  97
  98                                                                                         $br = $doc->createElement('br');
  99
 100                                                                                         $entry->parentNode->insertBefore($img, $entry);
 101                                                                                         $entry->parentNode->insertBefore($br, $entry);
 102
 103                                                                                         $found = true;
 104                                                                                 }
 105                                                                         }
 106                                                                 }
 107                                                         }
 108                                                 }
 109
 110                                                 // remove tiny thumbnails
 111                                                 if ($entry->hasAttribute("src")) {
 112                                                         if ($entry->parentNode && $entry->parentNode->parentNode) {
 113                                                                 $entry->parentNode->parentNode->removeChild($entry->parentNode);
 114                                                         }
 115                                                 }
 116                                         }
 117
 118                                         $node = $doc->getElementsByTagName('body')->item(0);
 119
 120                                         if ($node && $found) {
 121                                                 $article["content"] = $doc->saveXML($node);
 122                                         }
 123                                 }
 124                 }
 125
 126                 return $article;
 127         }
 128
 129         function api_version() {
 130                 return 2;
 131         }
 132
 133 }
 134 ?>