admin/roles/admins.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  * Select site administrators.
  19  *
  20  * @package    core_role
  21  * @copyright  2010 Petr Skoda {@link http://skodak.org}
  22  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23  */
  24
  25 require_once(__DIR__ . '/../../config.php');
  26 require_once($CFG->libdir.'/adminlib.php');
  27
  28 $confirmadd = optional_param('confirmadd', 0, PARAM_INT);
  29 $confirmdel = optional_param('confirmdel', 0, PARAM_INT);
  30
  31 $PAGE->set_url('/admin/roles/admins.php');
  32
  33 admin_externalpage_setup('admins');
  34 if (!is_siteadmin()) {
  35     die;
  36 }
  37
  38 $admisselector = new core_role_admins_existing_selector();
  39 $admisselector->set_extra_fields(array('username', 'email'));
  40
  41 $potentialadmisselector = new core_role_admins_potential_selector();
  42 $potentialadmisselector->set_extra_fields(array('username', 'email'));
  43
  44 if (optional_param('add', false, PARAM_BOOL) and confirm_sesskey()) {
  45     if ($userstoadd = $potentialadmisselector->get_selected_users()) {
  46         $user = reset($userstoadd);
  47         $username = fullname($user) . " ($user->username, $user->email)";
  48         echo $OUTPUT->header();
  49         $yesurl = new moodle_url('/admin/roles/admins.php', array('confirmadd'=>$user->id, 'sesskey'=>sesskey()));
  50         echo $OUTPUT->confirm(get_string('confirmaddadmin', 'core_role', $username), $yesurl, $PAGE->url);
  51         echo $OUTPUT->footer();
  52         die;
  53     }
  54
  55 } else if (optional_param('remove', false, PARAM_BOOL) and confirm_sesskey()) {
  56     if ($userstoremove = $admisselector->get_selected_users()) {
  57         $user = reset($userstoremove);
  58         if ($USER->id == $user->id) {
  59             // Can not remove self.
  60         } else {
  61             $username = fullname($user) . " ($user->username, $user->email)";
  62             echo $OUTPUT->header();
  63             $yesurl = new moodle_url('/admin/roles/admins.php', array('confirmdel'=>$user->id, 'sesskey'=>sesskey()));
  64             echo $OUTPUT->confirm(get_string('confirmdeladmin', 'core_role', $username), $yesurl, $PAGE->url);
  65             echo $OUTPUT->footer();
  66             die;
  67         }
  68     }
  69
  70 } else if (optional_param('main', false, PARAM_BOOL) and confirm_sesskey()) {
  71     if ($newmain = $admisselector->get_selected_users()) {
  72         $newmain = reset($newmain);
  73         $newmain = $newmain->id;
  74         $admins = array();
  75         foreach (explode(',', $CFG->siteadmins) as $admin) {
  76             $admin = (int)$admin;
  77             if ($admin) {
  78                 $admins[$admin] = $admin;
  79             }
  80         }
  81
  82         if (isset($admins[$newmain])) {
  83             $logstringold = implode(', ', $admins);
  84
  85             unset($admins[$newmain]);
  86             array_unshift($admins, $newmain);
  87
  88             $logstringnew = implode(', ', $admins);
  89
  90             set_config('siteadmins', implode(',', $admins));
  91             add_to_config_log('siteadmins', $logstringold, $logstringnew, null);
  92
  93             redirect($PAGE->url);
  94         }
  95     }
  96
  97 } else if ($confirmadd and confirm_sesskey()) {
  98     $admins = array();
  99     foreach (explode(',', $CFG->siteadmins) as $admin) {
 100         $admin = (int)$admin;
 101         if ($admin) {
 102             $admins[$admin] = $admin;
 103         }
 104     }
 105
 106     $logstringold = implode(', ', $admins);
 107
 108     $admins[$confirmadd] = $confirmadd;
 109
 110     $logstringnew = implode(', ', $admins);
 111
 112     set_config('siteadmins', implode(',', $admins));
 113     add_to_config_log('siteadmins', $logstringold, $logstringnew, 'core');
 114
 115     redirect($PAGE->url);
 116
 117 } else if ($confirmdel and confirm_sesskey() and $confirmdel != $USER->id) {
 118     $admins = array();
 119     foreach (explode(',', $CFG->siteadmins) as $admin) {
 120         $admin = (int)$admin;
 121         if ($admin) {
 122             $admins[$admin] = $admin;
 123         }
 124     }
 125
 126     $logstringold = implode(', ', $admins);
 127
 128     unset($admins[$confirmdel]);
 129
 130     $logstringnew = implode(', ', $admins);
 131
 132     set_config('siteadmins', implode(',', $admins));
 133     add_to_config_log('siteadmins', $logstringold, $logstringnew, 'core');
 134
 135     redirect($PAGE->url);
 136 }
 137
 138 // Print header.
 139 echo $OUTPUT->header();
 140 ?>
 141
 142 <div id="addadmisform">
 143     <h3 class="main"><?php print_string('manageadmins', 'core_role'); ?></h3>
 144
 145     <form id="assignform" method="post" action="<?php echo $PAGE->url ?>">
 146     <div>
 147     <input type="hidden" name="sesskey" value="<?php p(sesskey()); ?>" />
 148
 149     <table class="generaltable generalbox groupmanagementtable boxaligncenter" summary="">
 150     <tr>
 151       <td id='existingcell'>
 152           <p>
 153             <label for="removeselect"><?php print_string('existingadmins', 'core_role'); ?></label>
 154           </p>
 155           <?php $admisselector->display(); ?>
 156           </td>
 157       <td id="buttonscell">
 158         <p class="arrow_button">
 159             <input name="add" id="add" type="submit" value="<?php echo $OUTPUT->larrow().'&nbsp;'.get_string('add'); ?>"
 160                    title="<?php print_string('add'); ?>" class="btn btn-secondary"/><br />
 161             <input name="remove" id="remove" type="submit" value="<?php echo get_string('remove').'&nbsp;'.$OUTPUT->rarrow(); ?>"
 162                    title="<?php print_string('remove'); ?>" class="btn btn-secondary"/><br />
 163             <input name="main" id="main" type="submit" value="<?php echo get_string('mainadminset', 'core_role'); ?>"
 164                    title="<?php print_string('mainadminset', 'core_role'); ?>" class="btn btn-secondary"/>
 165         </p>
 166       </td>
 167       <td id="potentialcell">
 168           <p>
 169             <label for="addselect"><?php print_string('users'); ?></label>
 170           </p>
 171           <?php $potentialadmisselector->display(); ?>
 172       </td>
 173     </tr>
 174     </table>
 175     </div>
 176     </form>
 177 </div>
 178
 179 <?php
 180
 181 echo $OUTPUT->footer();