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   1  <?php
   2  /**
   3  * script for bulk user force password change
   4  */
   5  
   6  require_once('../../config.php');
   7  require_once ('lib.php');
   8  require_once($CFG->libdir.'/adminlib.php');
   9  
  10  $confirm = optional_param('confirm', 0, PARAM_BOOL);
  11  
  12  require_login();
  13  admin_externalpage_setup('userbulk');
  14  require_capability('moodle/user:update', context_system::instance());
  15  
  16  $return = $CFG->wwwroot.'/'.$CFG->admin.'/user/user_bulk.php';
  17  
  18  if (empty($SESSION->bulk_users)) {
  19      redirect($return);
  20  }
  21  
  22  echo $OUTPUT->header();
  23  
  24  if ($confirm and confirm_sesskey()) {
  25      // only force password change if user may actually change the password
  26      $authsavailable = get_enabled_auth_plugins();
  27      $changeable = array();
  28  
  29      foreach($authsavailable as $authplugin) {
  30          if (!$auth = get_auth_plugin($authplugin)) {
  31              continue;
  32          }
  33          if ($auth->is_internal() and $auth->can_change_password()) {
  34              $changeable[$authplugin] = true;
  35          }
  36      }
  37  
  38      $parts = array_chunk($SESSION->bulk_users, 300);
  39      foreach ($parts as $users) {
  40          list($in, $params) = $DB->get_in_or_equal($users);
  41          $rs = $DB->get_recordset_select('user', "id $in", $params);
  42          foreach ($rs as $user) {
  43              if (!empty($changeable[$user->auth])) {
  44                  set_user_preference('auth_forcepasswordchange', 1, $user->id);
  45                  unset($SESSION->bulk_users[$user->id]);
  46              } else {
  47                  echo $OUTPUT->notification(get_string('forcepasswordchangenot', '', fullname($user, true)));
  48              }
  49          }
  50          $rs->close();
  51      }
  52      echo $OUTPUT->notification(get_string('changessaved'), 'notifysuccess');
  53      echo $OUTPUT->continue_button($return);
  54  
  55  } else {
  56      list($in, $params) = $DB->get_in_or_equal($SESSION->bulk_users);
  57      $userlist = $DB->get_records_select_menu('user', "id $in", $params, 'fullname', 'id,'.$DB->sql_fullname().' AS fullname', 0, MAX_BULK_USERS);
  58      $usernames = implode(', ', $userlist);
  59      if (count($SESSION->bulk_users) > MAX_BULK_USERS) {
  60          $usernames .= ', ...';
  61      }
  62      echo $OUTPUT->heading(get_string('confirmation', 'admin'));
  63      $formcontinue = new single_button(new moodle_url('/admin/user/user_bulk_forcepasswordchange.php', array('confirm' => 1)), get_string('yes'));
  64      $formcancel = new single_button(new moodle_url('/admin/user/user_bulk.php'), get_string('no'), 'get');
  65      echo $OUTPUT->confirm(get_string('forcepasswordchangecheckfull', '', $usernames), $formcontinue, $formcancel);
  66  }
  67  
  68  echo $OUTPUT->footer();