plugins/af_tumblr_1280/init.php

   1 <?php
   2 class Af_Tumblr_1280 extends Plugin {
   3         private $host;
   4
   5         function about() {
   6                 return array(1.0,
   7                         "Replace Tumblr pictures with largest size if available (requires CURL)",
   8                         "fox");
   9         }
  10
  11         function flags() {
  12                 return array("needs_curl" => true);
  13         }
  14
  15         function init($host) {
  16                 $this->host = $host;
  17
  18                 if (function_exists("curl_init")) {
  19                         $host->add_hook($host::HOOK_ARTICLE_FILTER, $this);
  20                 }
  21         }
  22
  23         function hook_article_filter($article) {
  24
  25                 if (!function_exists("curl_init") || ini_get("open_basedir"))
  26                         return $article;
  27
  28                 $charset_hack = '<head>
  29                         <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
  30                 </head>';
  31
  32                 $doc = new DOMDocument();
  33                 $doc->loadHTML($charset_hack . $article["content"]);
  34
  35                 $found = false;
  36
  37                 if ($doc) {
  38                         $xpath = new DOMXpath($doc);
  39
  40                         $images = $xpath->query('(//img[contains(@src, \'media.tumblr.com\')])');
  41
  42                         foreach ($images as $img) {
  43                                 $src = $img->getAttribute("src");
  44
  45                                 $test_src = preg_replace("/_\d{3}.(jpg|gif|png)/", "_1280.$1", $src);
  46
  47                                 if ($src != $test_src) {
  48
  49                                         $ch = curl_init($test_src);
  50                                         curl_setopt($ch, CURLOPT_TIMEOUT, 5);
  51                                         curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
  52                                         curl_setopt($ch, CURLOPT_HEADER, true);
  53                                         curl_setopt($ch, CURLOPT_NOBODY, true);
  54                                         curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
  55                                         curl_setopt($ch, CURLOPT_USERAGENT, SELF_USER_AGENT);
  56
  57                                         @$result = curl_exec($ch);
  58                                         $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
  59
  60                                         if ($result && $http_code == 200) {
  61                                                 $img->setAttribute("src", $test_src);
  62                                                 $found = true;
  63                                         }
  64                                 }
  65                         }
  66
  67                         if ($found) {
  68                                 $doc->removeChild($doc->firstChild); //remove doctype
  69                                 $article["content"] = $doc->saveHTML();
  70                         }
  71                 }
  72
  73                 return $article;
  74
  75         }
  76
  77
  78         function api_version() {
  79                 return 2;
  80         }
  81
  82 }