plugins/af_tumblr_1280/init.php

   1 <?php
   2 class Af_Tumblr_1280 extends Plugin {
   3         private $host;
   4
   5         function about() {
   6                 return array(1.0,
   7                         "Replace Tumblr pictures with largest size if available",
   8                         "fox");
   9         }
  10
  11         function init($host) {
  12                 $this->host = $host;
  13
  14                 if (function_exists("curl_init")) {
  15                         $host->add_hook($host::HOOK_ARTICLE_FILTER, $this);
  16                 }
  17         }
  18
  19         function hook_article_filter($article) {
  20
  21                 $owner_uid = $article["owner_uid"];
  22
  23                 $charset_hack = '<head>
  24                         <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
  25                 </head>';
  26
  27                 $doc = new DOMDocument();
  28                 $doc->loadHTML($charset_hack . $article["content"]);
  29
  30                 $found = false;
  31
  32                 if ($doc) {
  33                         $xpath = new DOMXpath($doc);
  34
  35                         $images = $xpath->query('(//img[contains(@src, \'media.tumblr.com\')])');
  36
  37                         foreach ($images as $img) {
  38                                 $src = $img->getAttribute("src");
  39
  40                                 $test_src = preg_replace("/_\d{3}.(jpg|gif|png)/", "_1280.$1", $src);
  41
  42                                 if ($src != $test_src) {
  43
  44                                         $ch = curl_init($test_src);
  45                                         curl_setopt($ch, CURLOPT_TIMEOUT, 5);
  46                                         curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
  47                                         curl_setopt($ch, CURLOPT_HEADER, true);
  48                                         curl_setopt($ch, CURLOPT_NOBODY, true);
  49                                         curl_setopt($ch, CURLOPT_FOLLOWLOCATION,
  50                                                 !ini_get("safe_mode") && !ini_get("open_basedir"));
  51                                         curl_setopt($ch, CURLOPT_USERAGENT, SELF_USER_AGENT);
  52
  53                                         @$result = curl_exec($ch);
  54                                         $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
  55
  56                                         if ($result && $http_code == 200) {
  57                                                 $img->setAttribute("src", $test_src);
  58                                                 $found = true;
  59                                         }
  60                                 }
  61                         }
  62
  63                         if ($found) {
  64                                 $doc->removeChild($doc->firstChild); //remove doctype
  65                                 $article["content"] = $doc->saveHTML();
  66                         }
  67                 }
  68
  69                 return $article;
  70
  71         }
  72
  73
  74         function api_version() {
  75                 return 2;
  76         }
  77
  78 }
  79 ?>