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 require_once($CFG->dirroot . '/repository/lib.php');
  27
  28 $json = required_param('tlelinks', PARAM_RAW);
  29
  30 require_login();
  31
  32 $decodedinfo = json_decode($json);
  33 $info = array_pop($decodedinfo);
  34
  35 $url = '';
  36 if (isset($info->url)) {
  37     $url = s(clean_param($info->url, PARAM_URL));
  38 }
  39
  40 $filename = '';
  41 // Use $info->filename if exists, $info->name is a display name,
  42 // it may not have extension
  43 if (isset($info->filename)) {
  44     $filename  = s(clean_param($info->filename, PARAM_FILE));
  45 } else if (isset($info->name)) {
  46     $filename  = s(clean_param($info->name, PARAM_FILE));
  47 }
  48
  49 $thumbnail = '';
  50 if (isset($info->thumbnail)) {
  51     $thumbnail = s(clean_param($info->thumbnail, PARAM_URL));
  52 }
  53
  54 $author = '';
  55 if (isset($info->owner)) {
  56     $author = s(clean_param($info->owner, PARAM_NOTAGS));
  57 }
  58
  59 $license = '';
  60 if (isset($info->license)) {
  61     $license = s(clean_param($info->license, PARAM_ALPHAEXT));
  62 }
  63
  64 $source = base64_encode(json_encode(array('url'=>$url,'filename'=>$filename)));
  65 $sourcekey = sha1($source . repository::get_secret_key() . sesskey());
  66
  67 $js =<<<EOD
  68 <html>
  69 <head>
  70    <meta http-equiv="content-type" content="text/html; charset=utf-8" />
  71     <script type="text/javascript">
  72     window.onload = function() {
  73         var resource = {};
  74         resource.title = "$filename";
  75         resource.source = "$source";
  76         resource.sourcekey = "$sourcekey";
  77         resource.thumbnail = '$thumbnail';
  78         resource.author = "$author";
  79         resource.license = "$license";
  80         parent.M.core_filepicker.select_file(resource);
  81     }
  82     </script>
  83 </head>
  84 <body><noscript></noscript></body>
  85 </html>
  86 EOD;
  87
  88 header('Content-Type: text/html; charset=utf-8');
  89 die($js);