repository/equella/callback.php

   1 <?php
   2 // This file is part of Moodle - http://moodle.org/
   3 //
   4 // Moodle is free software: you can redistribute it and/or modify
   5 // it under the terms of the GNU General Public License as published by
   6 // the Free Software Foundation, either version 3 of the License, or
   7 // (at your option) any later version.
   8 //
   9 // Moodle is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13 //
  14 // You should have received a copy of the GNU General Public License
  15 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 /**
  18  * Callback for equella repository.
  19  *
  20  * @since Moodle 2.3
  21  * @package   repository_equella
  22  * @copyright 2012 Dongsheng Cai {@link http://dongsheng.org}
  23  * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  24  */
  25 require(__DIR__.'/../../config.php');
  26 $json = required_param('tlelinks', PARAM_RAW);
  27
  28 require_login();
  29
  30 $decodedinfo = json_decode($json);
  31 $info = array_pop($decodedinfo);
  32
  33 $url = '';
  34 if (isset($info->url)) {
  35     $url = s(clean_param($info->url, PARAM_URL));
  36 }
  37
  38 $filename = '';
  39 // Use $info->filename if exists, $info->name is a display name,
  40 // it may not have extension
  41 if (isset($info->filename)) {
  42     $filename  = s(clean_param($info->filename, PARAM_FILE));
  43 } else if (isset($info->name)) {
  44     $filename  = s(clean_param($info->name, PARAM_FILE));
  45 }
  46
  47 $thumbnail = '';
  48 if (isset($info->thumbnail)) {
  49     $thumbnail = s(clean_param($info->thumbnail, PARAM_URL));
  50 }
  51
  52 $author = '';
  53 if (isset($info->owner)) {
  54     $author = s(clean_param($info->owner, PARAM_NOTAGS));
  55 }
  56
  57 $license = '';
  58 if (isset($info->license)) {
  59     $license = s(clean_param($info->license, PARAM_ALPHAEXT));
  60 }
  61
  62 $source = base64_encode(json_encode(array('url'=>$url,'filename'=>$filename)));
  63
  64 $js =<<<EOD
  65 <html>
  66 <head>
  67    <meta http-equiv="content-type" content="text/html; charset=utf-8" />
  68     <script type="text/javascript">
  69     window.onload = function() {
  70         var resource = {};
  71         resource.title = "$filename";
  72         resource.source = "$source";
  73         resource.thumbnail = '$thumbnail';
  74         resource.author = "$author";
  75         resource.license = "$license";
  76         parent.M.core_filepicker.select_file(resource);
  77     }
  78     </script>
  79 </head>
  80 <body><noscript></noscript></body>
  81 </html>
  82 EOD;
  83
  84 header('Content-Type: text/html; charset=utf-8');
  85 die($js);