[Summary view] [Print] [Text view]

   1  <?php
   2  
   3  // This file is part of Moodle - http://moodle.org/
   4  //
   5  // Moodle is free software: you can redistribute it and/or modify
   6  // it under the terms of the GNU General Public License as published by
   7  // the Free Software Foundation, either version 3 of the License, or
   8  // (at your option) any later version.
   9  //
  10  // Moodle is distributed in the hope that it will be useful,
  11  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  // GNU General Public License for more details.
  14  //
  15  // You should have received a copy of the GNU General Public License
  16  // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  17  
  18  /**
  19   * This file plays the mediafile set in lesson settings.
  20   *
  21   *  If there is a way to use the resource class instead of this code, please change to do so
  22   *
  23   *
  24   * @package mod_lesson
  25   * @copyright  1999 onwards Martin Dougiamas  {@link http://moodle.com}
  26   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  27   **/
  28  
  29  require_once('../../config.php');
  30  require_once($CFG->dirroot.'/mod/lesson/locallib.php');
  31  
  32  $id = required_param('id', PARAM_INT);    // Course Module ID
  33  $printclose = optional_param('printclose', 0, PARAM_INT);
  34  
  35  $cm = get_coursemodule_from_id('lesson', $id, 0, false, MUST_EXIST);
  36  $course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);
  37  $lesson = new lesson($DB->get_record('lesson', array('id' => $cm->instance), '*', MUST_EXIST));
  38  
  39  require_login($course, false, $cm);
  40  
  41  
  42  // Apply overrides.
  43  $lesson->update_effective_access($USER->id);
  44  
  45  $context = context_module::instance($cm->id);
  46  $canmanage = has_capability('mod/lesson:manage', $context);
  47  
  48  $url = new moodle_url('/mod/lesson/mediafile.php', array('id'=>$id));
  49  if ($printclose !== '') {
  50      $url->param('printclose', $printclose);
  51  }
  52  $PAGE->set_url($url);
  53  $PAGE->set_pagelayout('popup');
  54  $PAGE->set_title($course->shortname);
  55  
  56  $lessonoutput = $PAGE->get_renderer('mod_lesson');
  57  
  58  // Get the mimetype
  59  $mimetype = mimeinfo("type", $lesson->mediafile);
  60  
  61  if ($printclose) {  // this is for framesets
  62      if ($lesson->mediaclose) {
  63          echo $lessonoutput->header($lesson, $cm);
  64          echo $OUTPUT->box('<form><div><input type="button" onclick="top.close();" value="'.get_string("closewindow").'" /></div></form>', 'lessonmediafilecontrol');
  65          echo $lessonoutput->footer();
  66      }
  67      exit();
  68  }
  69  
  70  echo $lessonoutput->header($lesson, $cm);
  71  
  72  //TODO: this is copied from view.php - the access should be the same!
  73  /// Check these for students only TODO: Find a better method for doing this!
  74  ///     Check lesson availability
  75  ///     Check for password
  76  ///     Check dependencies
  77  if (!$canmanage) {
  78      if (!$lesson->is_accessible()) {  // Deadline restrictions
  79          echo $lessonoutput->header($lesson, $cm);
  80          if ($lesson->deadline != 0 && time() > $lesson->deadline) {
  81              echo $lessonoutput->lesson_inaccessible(get_string('lessonclosed', 'lesson', userdate($lesson->deadline)));
  82          } else {
  83              echo $lessonoutput->lesson_inaccessible(get_string('lessonopen', 'lesson', userdate($lesson->available)));
  84          }
  85          echo $lessonoutput->footer();
  86          exit();
  87      } else if ($lesson->usepassword && empty($USER->lessonloggedin[$lesson->id])) { // Password protected lesson code
  88          $correctpass = false;
  89          if (!empty($userpassword) && (($lesson->password == md5(trim($userpassword))) || ($lesson->password == trim($userpassword)))) {
  90              require_sesskey();
  91              // with or without md5 for backward compatibility (MDL-11090)
  92              $USER->lessonloggedin[$lesson->id] = true;
  93              $correctpass = true;
  94          } else if (isset($lesson->extrapasswords)) {
  95              // Group overrides may have additional passwords.
  96              foreach ($lesson->extrapasswords as $password) {
  97                  if (strcmp($password, md5(trim($userpassword))) === 0 || strcmp($password, trim($userpassword)) === 0) {
  98                      require_sesskey();
  99                      $correctpass = true;
 100                      $USER->lessonloggedin[$lesson->id] = true;
 101                  }
 102              }
 103          }
 104          if (!$correctpass) {
 105              echo $lessonoutput->header($lesson, $cm);
 106              echo $lessonoutput->login_prompt($lesson, $userpassword !== '');
 107              echo $lessonoutput->footer();
 108              exit();
 109          }
 110      }
 111  }
 112  
 113  // print the embedded media html code
 114  echo $OUTPUT->box(lesson_get_media_html($lesson, $context));
 115  
 116  if ($lesson->mediaclose) {
 117     echo '<div class="lessonmediafilecontrol">';
 118     echo $OUTPUT->close_window_button();
 119     echo '</div>';
 120  }
 121  
 122  echo $lessonoutput->footer();