admin/settings/security.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  * Adds security related settings links for security category to admin tree.
  19  *
  20  * @copyright  1999 Martin Dougiamas  http://dougiamas.com
  21  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  22  */
  23
  24 defined('MOODLE_INTERNAL') || die();
  25
  26 use core_admin\local\settings\filesize;
  27
  28 if ($hassiteconfig) { // speedup for non-admins, add all caps used on this page
  29
  30     // "ip blocker" settingpage
  31     $temp = new admin_settingpage('ipblocker', new lang_string('ipblocker', 'admin'));
  32     $temp->add(new admin_setting_configcheckbox('allowbeforeblock', new lang_string('allowbeforeblock', 'admin'), new lang_string('allowbeforeblockdesc', 'admin'), 0));
  33     $temp->add(new admin_setting_configiplist('allowedip', new lang_string('allowediplist', 'admin'),
  34                                                 new lang_string('ipblockersyntax', 'admin'), ''));
  35     $temp->add(new admin_setting_configiplist('blockedip', new lang_string('blockediplist', 'admin'),
  36                                                 new lang_string('ipblockersyntax', 'admin'), ''));
  37     $ADMIN->add('security', $temp);
  38
  39     // "sitepolicies" settingpage
  40     $temp = new admin_settingpage('sitepolicies', new lang_string('sitepolicies', 'admin'));
  41     $temp->add(new admin_setting_configcheckbox('protectusernames', new lang_string('protectusernames', 'admin'), new lang_string('configprotectusernames', 'admin'), 1));
  42     $temp->add(new admin_setting_configcheckbox('forcelogin', new lang_string('forcelogin', 'admin'), new lang_string('configforcelogin', 'admin'), 0));
  43     $temp->add(new admin_setting_configcheckbox('forceloginforprofiles', new lang_string('forceloginforprofiles', 'admin'), new lang_string('configforceloginforprofiles', 'admin'), 1));
  44     $temp->add(new admin_setting_configcheckbox('forceloginforprofileimage', new lang_string('forceloginforprofileimage', 'admin'), new lang_string('forceloginforprofileimage_help', 'admin'), 0));
  45     $temp->add(new admin_setting_configcheckbox('opentowebcrawlers', new lang_string('opentowebcrawlers', 'admin'), new lang_string('configopentowebcrawlers', 'admin'), 0));
  46     $temp->add(new admin_setting_configselect('allowindexing', new lang_string('allowindexing', 'admin'), new lang_string('allowindexing_desc', 'admin'),
  47         0,
  48         array(0 => new lang_string('allowindexingexceptlogin', 'admin'),
  49               1 => new lang_string('allowindexingeverywhere', 'admin'),
  50               2 => new lang_string('allowindexingnowhere', 'admin'))));
  51     $temp->add(new admin_setting_pickroles('profileroles',
  52         new lang_string('profileroles','admin'),
  53         new lang_string('configprofileroles', 'admin'),
  54         array('student', 'teacher', 'editingteacher')));
  55
  56     $maxbytes = 0;
  57     if (!empty($CFG->maxbytes)) {
  58         $maxbytes = $CFG->maxbytes;
  59     }
  60     $max_upload_choices = get_max_upload_sizes(0, 0, 0, $maxbytes);
  61     // maxbytes set to 0 will allow the maximum server limit for uploads
  62     $temp->add(new admin_setting_configselect('maxbytes', new lang_string('maxbytes', 'admin'), new lang_string('configmaxbytes', 'admin'), 0, $max_upload_choices));
  63     // 100MB
  64     $defaultuserquota = 100 * filesize::UNIT_MB;
  65     $temp->add(new filesize('userquota', new lang_string('userquota', 'admin'),
  66             new lang_string('userquota_desc', 'admin'), $defaultuserquota));
  67
  68     $temp->add(new admin_setting_configcheckbox('allowobjectembed', new lang_string('allowobjectembed', 'admin'), new lang_string('configallowobjectembed', 'admin'), 0));
  69     $temp->add(new admin_setting_configcheckbox('enabletrusttext', new lang_string('enabletrusttext', 'admin'), new lang_string('configenabletrusttext', 'admin'), 0));
  70     $temp->add(new admin_setting_configselect('maxeditingtime', new lang_string('maxeditingtime','admin'), new lang_string('configmaxeditingtime','admin'), 1800,
  71                  array(60 => new lang_string('numminutes', '', 1),
  72                        300 => new lang_string('numminutes', '', 5),
  73                        900 => new lang_string('numminutes', '', 15),
  74                        1800 => new lang_string('numminutes', '', 30),
  75                        2700 => new lang_string('numminutes', '', 45),
  76                        3600 => new lang_string('numminutes', '', 60))));
  77
  78     $temp->add(new admin_setting_configcheckbox('extendedusernamechars', new lang_string('extendedusernamechars', 'admin'), new lang_string('configextendedusernamechars', 'admin'), 0));
  79
  80     $temp->add(new admin_setting_configcheckbox('extendedusernamechars', new lang_string('extendedusernamechars', 'admin'), new lang_string('configextendedusernamechars', 'admin'), 0));
  81     $temp->add(new admin_setting_configcheckbox('keeptagnamecase', new lang_string('keeptagnamecase','admin'),new lang_string('configkeeptagnamecase', 'admin'),'1'));
  82
  83     $temp->add(new admin_setting_configcheckbox('profilesforenrolledusersonly', new lang_string('profilesforenrolledusersonly','admin'),new lang_string('configprofilesforenrolledusersonly', 'admin'),'1'));
  84
  85     $temp->add(new admin_setting_configcheckbox('cronclionly', new lang_string('cronclionly', 'admin'), new lang_string
  86             ('configcronclionly', 'admin'), 1));
  87     $temp->add(new admin_setting_configpasswordunmask('cronremotepassword', new lang_string('cronremotepassword', 'admin'), new lang_string('configcronremotepassword', 'admin'), ''));
  88     $temp->add(new admin_setting_configcheckbox('tool_task/enablerunnow', new lang_string('enablerunnow', 'tool_task'),
  89             new lang_string('enablerunnow_desc', 'tool_task'), 1));
  90
  91     $options = array(0=>get_string('no'), 3=>3, 5=>5, 7=>7, 10=>10, 20=>20, 30=>30, 50=>50, 100=>100);
  92     $temp->add(new admin_setting_configselect('lockoutthreshold', new lang_string('lockoutthreshold', 'admin'), new lang_string('lockoutthreshold_desc', 'admin'), 0, $options));
  93     $temp->add(new admin_setting_configduration('lockoutwindow', new lang_string('lockoutwindow', 'admin'), new lang_string('lockoutwindow_desc', 'admin'), 60*30));
  94     $temp->add(new admin_setting_configduration('lockoutduration', new lang_string('lockoutduration', 'admin'), new lang_string('lockoutduration_desc', 'admin'), 60*30));
  95
  96     $temp->add(new admin_setting_configcheckbox('passwordpolicy', new lang_string('passwordpolicy', 'admin'), new lang_string('configpasswordpolicy', 'admin'), 1));
  97     $temp->add(new admin_setting_configtext('minpasswordlength', new lang_string('minpasswordlength', 'admin'), new lang_string('configminpasswordlength', 'admin'), 8, PARAM_INT));
  98     $temp->add(new admin_setting_configtext('minpassworddigits', new lang_string('minpassworddigits', 'admin'), new lang_string('configminpassworddigits', 'admin'), 1, PARAM_INT));
  99     $temp->add(new admin_setting_configtext('minpasswordlower', new lang_string('minpasswordlower', 'admin'), new lang_string('configminpasswordlower', 'admin'), 1, PARAM_INT));
 100     $temp->add(new admin_setting_configtext('minpasswordupper', new lang_string('minpasswordupper', 'admin'), new lang_string('configminpasswordupper', 'admin'), 1, PARAM_INT));
 101     $temp->add(new admin_setting_configtext('minpasswordnonalphanum', new lang_string('minpasswordnonalphanum', 'admin'), new lang_string('configminpasswordnonalphanum', 'admin'), 1, PARAM_INT));
 102     $temp->add(new admin_setting_configtext('maxconsecutiveidentchars', new lang_string('maxconsecutiveidentchars', 'admin'), new lang_string('configmaxconsecutiveidentchars', 'admin'), 0, PARAM_INT));
 103     $temp->add(new admin_setting_configcheckbox('passwordpolicycheckonlogin',
 104         new lang_string('passwordpolicycheckonlogin', 'admin'),
 105         new lang_string('configpasswordpolicycheckonlogin', 'admin'), 0));
 106
 107     $temp->add(new admin_setting_configtext('passwordreuselimit',
 108         new lang_string('passwordreuselimit', 'admin'),
 109         new lang_string('passwordreuselimit_desc', 'admin'), 0, PARAM_INT));
 110
 111     $pwresetoptions = array(
 112         300 => new lang_string('numminutes', '', 5),
 113         900 => new lang_string('numminutes', '', 15),
 114         1800 => new lang_string('numminutes', '', 30),
 115         2700 => new lang_string('numminutes', '', 45),
 116         3600 => new lang_string('numminutes', '', 60),
 117         7200 => new lang_string('numminutes', '', 120),
 118         14400 => new lang_string('numminutes', '', 240)
 119     );
 120     $adminsetting = new admin_setting_configselect(
 121             'pwresettime',
 122             new lang_string('passwordresettime','admin'),
 123             new lang_string('configpasswordresettime','admin'),
 124             1800,
 125             $pwresetoptions);
 126     $temp->add($adminsetting);
 127     $temp->add(new admin_setting_configcheckbox('passwordchangelogout',
 128         new lang_string('passwordchangelogout', 'admin'),
 129         new lang_string('passwordchangelogout_desc', 'admin'), 0));
 130
 131     $temp->add(new admin_setting_configcheckbox('passwordchangetokendeletion',
 132         new lang_string('passwordchangetokendeletion', 'admin'),
 133         new lang_string('passwordchangetokendeletion_desc', 'admin'), 0));
 134
 135     $temp->add(new admin_setting_configduration('tokenduration',
 136         new lang_string('tokenduration', 'admin'),
 137         new lang_string('tokenduration_desc', 'admin'), 12 * WEEKSECS, WEEKSECS));
 138
 139     $temp->add(new admin_setting_configcheckbox('groupenrolmentkeypolicy', new lang_string('groupenrolmentkeypolicy', 'admin'), new lang_string('groupenrolmentkeypolicy_desc', 'admin'), 1));
 140     $temp->add(new admin_setting_configcheckbox('disableuserimages', new lang_string('disableuserimages', 'admin'), new lang_string('configdisableuserimages', 'admin'), 0));
 141     $temp->add(new admin_setting_configcheckbox('emailchangeconfirmation', new lang_string('emailchangeconfirmation', 'admin'), new lang_string('configemailchangeconfirmation', 'admin'), 1));
 142     $temp->add(new admin_setting_configselect('rememberusername', new lang_string('rememberusername','admin'), new lang_string('rememberusername_desc','admin'), 2, array(1=>new lang_string('yes'), 0=>new lang_string('no'), 2=>new lang_string('optional'))));
 143     $temp->add(new admin_setting_configcheckbox('strictformsrequired', new lang_string('strictformsrequired', 'admin'), new lang_string('configstrictformsrequired', 'admin'), 0));
 144
 145     $temp->add(new admin_setting_heading('adminpresets', new lang_string('siteadminpresetspluginname', 'core_adminpresets'), ''));
 146     $sensiblesettingsdefault = 'recaptchapublickey@@none, recaptchaprivatekey@@none, googlemapkey3@@none, ';
 147     $sensiblesettingsdefault .= 'secretphrase@@url, cronremotepassword@@none, smtpuser@@none, ';
 148     $sensiblesettingsdefault .= 'smtppass@@none, proxypassword@@none, quizpassword@@quiz, allowedip@@none, blockedip@@none, ';
 149     $sensiblesettingsdefault .= 'dbpass@@logstore_database, messageinbound_hostpass@@none, ';
 150     $sensiblesettingsdefault .= 'bind_pw@@auth_cas, pass@@auth_db, bind_pw@@auth_ldap, ';
 151     $sensiblesettingsdefault .= 'dbpass@@enrol_database, bind_pw@@enrol_ldap, ';
 152     $sensiblesettingsdefault .= 'server_password@@search_solr, ssl_keypassword@@search_solr, ';
 153     $sensiblesettingsdefault .= 'alternateserver_password@@search_solr, alternatessl_keypassword@@search_solr, ';
 154     $sensiblesettingsdefault .= 'test_password@@cachestore_redis, password@@mlbackend_python, ';
 155     $sensiblesettingsdefault .= 'badges_badgesalt@@none, calendar_exportsalt@@none';
 156     $temp->add(new admin_setting_configtextarea('adminpresets/sensiblesettings',
 157             get_string('sensiblesettings', 'core_adminpresets'),
 158             get_string('sensiblesettingstext', 'core_adminpresets'),
 159             $sensiblesettingsdefault, PARAM_TEXT));
 160
 161     $ADMIN->add('security', $temp);
 162
 163     // "httpsecurity" settingpage
 164     $temp = new admin_settingpage('httpsecurity', new lang_string('httpsecurity', 'admin'));
 165
 166     $temp->add(new admin_setting_configcheckbox('cookiesecure', new lang_string('cookiesecure', 'admin'), new lang_string('configcookiesecure', 'admin'), 1));
 167     $temp->add(new admin_setting_configcheckbox('allowframembedding', new lang_string('allowframembedding', 'admin'), new lang_string('allowframembedding_help', 'admin'), 0));
 168
 169     // Settings elements used by the \core\files\curl_security_helper class.
 170     $blockedhostsdefault = [
 171         '127.0.0.0/8',
 172         '192.168.0.0/16',
 173         '10.0.0.0/8',
 174         '172.16.0.0/12',
 175         '0.0.0.0',
 176         'localhost',
 177         '169.254.169.254',
 178         '0000::1',
 179     ];
 180     $allowedportsdefault = ['443', '80'];
 181
 182     // By default, block various common internal network or cloud provider hosts.
 183     $temp->add(new admin_setting_configmixedhostiplist('curlsecurityblockedhosts',
 184         new lang_string('curlsecurityblockedhosts', 'admin'),
 185         new lang_string('curlsecurityblockedhostssyntax', 'admin'), implode(PHP_EOL, $blockedhostsdefault)));
 186
 187     // By default, only allow web ports.
 188     $temp->add(new admin_setting_configportlist('curlsecurityallowedport',
 189         new lang_string('curlsecurityallowedport', 'admin'),
 190         new lang_string('curlsecurityallowedportsyntax', 'admin'), implode(PHP_EOL, $allowedportsdefault)));
 191
 192     // HTTP Header referrer policy settings.
 193     $referreroptions = [
 194         'default' => get_string('referrernone', 'admin'),
 195         'no-referrer' => 'no-referrer',
 196         'no-referrer-when-downgrade' => 'no-referrer-when-downgrade',
 197         'origin' => 'origin',
 198         'origin-when-cross-origin' => 'origin-when-cross-origin',
 199         'same-origin' => 'same-origin',
 200         'strict-origin' => 'strict-origin',
 201         'strict-origin-when-cross-origin' => 'strict-origin-when-cross-origin',
 202         'unsafe-url' => 'unsafe-url',
 203     ];
 204     $temp->add(new admin_setting_configselect('referrerpolicy',
 205             new lang_string('referrerpolicy', 'admin'),
 206             new lang_string('referrerpolicydesc', 'admin'), 'default', $referreroptions));
 207
 208     $ADMIN->add('security', $temp);
 209
 210     // "notifications" settingpage
 211     $temp = new admin_settingpage('notifications', new lang_string('notifications', 'admin'));
 212     $temp->add(new admin_setting_configcheckbox('displayloginfailures', new lang_string('displayloginfailures', 'admin'),
 213             new lang_string('configdisplayloginfailures', 'admin'), 0));
 214     $temp->add(new admin_setting_users_with_capability('notifyloginfailures', new lang_string('notifyloginfailures', 'admin'), new lang_string('confignotifyloginfailures', 'admin'), array(), 'moodle/site:config'));
 215     $options = array();
 216     for ($i = 1; $i <= 100; $i++) {
 217         $options[$i] = $i;
 218     }
 219     $temp->add(new admin_setting_configselect('notifyloginthreshold', new lang_string('notifyloginthreshold', 'admin'), new lang_string('confignotifyloginthreshold', 'admin'), '10', $options));
 220     $ADMIN->add('security', $temp);
 221 } // end of speedup