src/Module/Oembed.php

   1 <?php
   2
   3 namespace Friendica\Module;
   4
   5 use Friendica\BaseModule;
   6 use Friendica\Content;
   7 use Friendica\DI;
   8 use Friendica\Util\Strings;
   9
  10 /**
  11  * Oembed module
  12  *
  13  * Displays stored embed content based on a base64 hash of a remote URL
  14  *
  15  * Example: /oembed/aHR0cHM6Ly9...
  16  *
  17  * @author Hypolite Petovan <hypolite@mrpetovan.com>
  18  */
  19 class Oembed extends BaseModule
  20 {
  21         public static function content(array $parameters = [])
  22         {
  23                 $a = DI::app();
  24
  25                 // Unused form: /oembed/b2h?url=...
  26                 if ($a->argv[1] == 'b2h') {
  27                         $url = ["", trim(hex2bin($_REQUEST['url']))];
  28                         echo Content\OEmbed::replaceCallback($url);
  29                         exit();
  30                 }
  31
  32                 // Unused form: /oembed/h2b?text=...
  33                 if ($a->argv[1] == 'h2b') {
  34                         $text = trim(hex2bin($_REQUEST['text']));
  35                         echo Content\OEmbed::HTML2BBCode($text);
  36                         exit();
  37                 }
  38
  39                 // @TODO: Replace with parameter from router
  40                 if ($a->argc == 2) {
  41                         echo '<html><body>';
  42                         $url = Strings::base64UrlDecode($a->argv[1]);
  43                         $j = Content\OEmbed::fetchURL($url);
  44
  45                         // workaround for media.ccc.de (and any other endpoint that return size 0)
  46                         if (substr($j->html, 0, 7) == "<iframe" && strstr($j->html, 'width="0"')) {
  47                                 $j->html = '<style>html,body{margin:0;padding:0;} iframe{width:100%;height:100%;}</style>' . $j->html;
  48                                 $j->html = str_replace('width="0"', '', $j->html);
  49                                 $j->html = str_replace('height="0"', '', $j->html);
  50                         }
  51                         echo $j->html;
  52                         echo '</body></html>';
  53                 }
  54                 exit();
  55         }
  56 }