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   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   * Provides A/V preview features for the TinyMCE editor Moodle Media plugin.
  19   * The preview is included in an iframe within the popup dialog.
  20   *
  21   * @package   tinymce_moodlemedia
  22   * @copyright 1999 onwards Martin Dougiamas   {@link http://moodle.com}
  23   * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  24   */
  25  
  26  require(__DIR__ . '/../../../../../config.php');
  27  require_once($CFG->libdir . '/filelib.php');
  28  
  29  // Decode the url - it can not be passed around unencoded because security filters might block it.
  30  $media = required_param('media', PARAM_RAW);
  31  $media = base64_decode($media);
  32  $url = clean_param($media, PARAM_URL);
  33  $url = new moodle_url($url);
  34  
  35  // Now output this file which is super-simple
  36  $PAGE->set_pagelayout('embedded');
  37  $PAGE->set_url(new moodle_url('/lib/editor/tinymce/plugins/moodlemedia/preview.php'));
  38  $PAGE->set_context(context_system::instance());
  39  $PAGE->add_body_class('core_media_preview');
  40  
  41  echo $OUTPUT->header();
  42  
  43  $mediarenderer = core_media_manager::instance($PAGE);
  44  
  45  if (isloggedin() and !isguestuser() and $mediarenderer->can_embed_url($url)) {
  46      require_sesskey();
  47      echo $mediarenderer->embed_url($url);
  48  } else {
  49      print_string('nopreview', 'tinymce_moodlemedia');
  50  }
  51  
  52  echo $OUTPUT->footer();