admin/user.php

   1 <?php
   2
   3     require_once('../config.php');
   4     require_once($CFG->libdir.'/adminlib.php');
   5     require_once($CFG->libdir.'/authlib.php');
   6     require_once($CFG->dirroot.'/user/filters/lib.php');
   7     require_once($CFG->dirroot.'/user/lib.php');
   8
   9     $delete       = optional_param('delete', 0, PARAM_INT);
  10     $confirm      = optional_param('confirm', '', PARAM_ALPHANUM);   //md5 confirmation hash
  11     $confirmuser  = optional_param('confirmuser', 0, PARAM_INT);
  12     $sort         = optional_param('sort', 'name', PARAM_ALPHANUMEXT);
  13     $dir          = optional_param('dir', 'ASC', PARAM_ALPHA);
  14     $page         = optional_param('page', 0, PARAM_INT);
  15     $perpage      = optional_param('perpage', 30, PARAM_INT);        // how many per page
  16     $ru           = optional_param('ru', '2', PARAM_INT);            // show remote users
  17     $lu           = optional_param('lu', '2', PARAM_INT);            // show local users
  18     $acl          = optional_param('acl', '0', PARAM_INT);           // id of user to tweak mnet ACL (requires $access)
  19     $suspend      = optional_param('suspend', 0, PARAM_INT);
  20     $unsuspend    = optional_param('unsuspend', 0, PARAM_INT);
  21     $unlock       = optional_param('unlock', 0, PARAM_INT);
  22     $resendemail  = optional_param('resendemail', 0, PARAM_INT);
  23
  24     admin_externalpage_setup('editusers');
  25
  26     $sitecontext = context_system::instance();
  27     $site = get_site();
  28
  29     if (!has_capability('moodle/user:update', $sitecontext) and !has_capability('moodle/user:delete', $sitecontext)) {
  30         print_error('nopermissions', 'error', '', 'edit/delete users');
  31     }
  32
  33     $stredit   = get_string('edit');
  34     $strdelete = get_string('delete');
  35     $strdeletecheck = get_string('deletecheck');
  36     $strshowallusers = get_string('showallusers');
  37     $strsuspend = get_string('suspenduser', 'admin');
  38     $strunsuspend = get_string('unsuspenduser', 'admin');
  39     $strunlock = get_string('unlockaccount', 'admin');
  40     $strconfirm = get_string('confirm');
  41     $strresendemail = get_string('resendemail');
  42
  43     $returnurl = new moodle_url('/admin/user.php', array('sort' => $sort, 'dir' => $dir, 'perpage' => $perpage, 'page'=>$page));
  44
  45     $PAGE->set_primary_active_tab('siteadminnode');
  46     $PAGE->navbar->add(get_string('userlist', 'admin'), $PAGE->url);
  47
  48     // The $user variable is also used outside of these if statements.
  49     $user = null;
  50     if ($confirmuser and confirm_sesskey()) {
  51         require_capability('moodle/user:update', $sitecontext);
  52         if (!$user = $DB->get_record('user', array('id'=>$confirmuser, 'mnethostid'=>$CFG->mnet_localhost_id))) {
  53             print_error('nousers');
  54         }
  55
  56         $auth = get_auth_plugin($user->auth);
  57
  58         $result = $auth->user_confirm($user->username, $user->secret);
  59
  60         if ($result == AUTH_CONFIRM_OK or $result == AUTH_CONFIRM_ALREADY) {
  61             redirect($returnurl);
  62         } else {
  63             echo $OUTPUT->header();
  64             redirect($returnurl, get_string('usernotconfirmed', '', fullname($user, true)));
  65         }
  66
  67     } else if ($resendemail && confirm_sesskey()) {
  68         if (!$user = $DB->get_record('user', ['id' => $resendemail, 'mnethostid' => $CFG->mnet_localhost_id, 'deleted' => 0])) {
  69             print_error('nousers');
  70         }
  71
  72         // Prevent spamming users who are already confirmed.
  73         if ($user->confirmed) {
  74             print_error('alreadyconfirmed');
  75         }
  76
  77         $returnmsg = get_string('emailconfirmsentsuccess');
  78         $messagetype = \core\output\notification::NOTIFY_SUCCESS;
  79         if (!send_confirmation_email($user)) {
  80             $returnmsg = get_string('emailconfirmsentfailure');
  81             $messagetype = \core\output\notification::NOTIFY_ERROR;
  82         }
  83
  84         redirect($returnurl, $returnmsg, null, $messagetype);
  85     } else if ($delete and confirm_sesskey()) {              // Delete a selected user, after confirmation
  86         require_capability('moodle/user:delete', $sitecontext);
  87
  88         $user = $DB->get_record('user', array('id'=>$delete, 'mnethostid'=>$CFG->mnet_localhost_id), '*', MUST_EXIST);
  89
  90         if ($user->deleted) {
  91             print_error('usernotdeleteddeleted', 'error');
  92         }
  93         if (is_siteadmin($user->id)) {
  94             print_error('useradminodelete', 'error');
  95         }
  96
  97         if ($confirm != md5($delete)) {
  98             echo $OUTPUT->header();
  99             $fullname = fullname($user, true);
 100             echo $OUTPUT->heading(get_string('deleteuser', 'admin'));
 101
 102             $optionsyes = array('delete'=>$delete, 'confirm'=>md5($delete), 'sesskey'=>sesskey());
 103             $deleteurl = new moodle_url($returnurl, $optionsyes);
 104             $deletebutton = new single_button($deleteurl, get_string('delete'), 'post');
 105
 106             echo $OUTPUT->confirm(get_string('deletecheckfull', '', "'$fullname'"), $deletebutton, $returnurl);
 107             echo $OUTPUT->footer();
 108             die;
 109         } else if (data_submitted()) {
 110             if (delete_user($user)) {
 111                 \core\session\manager::gc(); // Remove stale sessions.
 112                 redirect($returnurl);
 113             } else {
 114                 \core\session\manager::gc(); // Remove stale sessions.
 115                 echo $OUTPUT->header();
 116                 echo $OUTPUT->notification($returnurl, get_string('deletednot', '', fullname($user, true)));
 117             }
 118         }
 119     } else if ($acl and confirm_sesskey()) {
 120         if (!has_capability('moodle/user:update', $sitecontext)) {
 121             print_error('nopermissions', 'error', '', 'modify the NMET access control list');
 122         }
 123         if (!$user = $DB->get_record('user', array('id'=>$acl))) {
 124             print_error('nousers', 'error');
 125         }
 126         if (!is_mnet_remote_user($user)) {
 127             print_error('usermustbemnet', 'error');
 128         }
 129         $accessctrl = strtolower(required_param('accessctrl', PARAM_ALPHA));
 130         if ($accessctrl != 'allow' and $accessctrl != 'deny') {
 131             print_error('invalidaccessparameter', 'error');
 132         }
 133         $aclrecord = $DB->get_record('mnet_sso_access_control', array('username'=>$user->username, 'mnet_host_id'=>$user->mnethostid));
 134         if (empty($aclrecord)) {
 135             $aclrecord = new stdClass();
 136             $aclrecord->mnet_host_id = $user->mnethostid;
 137             $aclrecord->username = $user->username;
 138             $aclrecord->accessctrl = $accessctrl;
 139             $DB->insert_record('mnet_sso_access_control', $aclrecord);
 140         } else {
 141             $aclrecord->accessctrl = $accessctrl;
 142             $DB->update_record('mnet_sso_access_control', $aclrecord);
 143         }
 144         $mnethosts = $DB->get_records('mnet_host', null, 'id', 'id,wwwroot,name');
 145         redirect($returnurl);
 146
 147     } else if ($suspend and confirm_sesskey()) {
 148         require_capability('moodle/user:update', $sitecontext);
 149
 150         if ($user = $DB->get_record('user', array('id'=>$suspend, 'mnethostid'=>$CFG->mnet_localhost_id, 'deleted'=>0))) {
 151             if (!is_siteadmin($user) and $USER->id != $user->id and $user->suspended != 1) {
 152                 $user->suspended = 1;
 153                 // Force logout.
 154                 \core\session\manager::kill_user_sessions($user->id);
 155                 user_update_user($user, false);
 156             }
 157         }
 158         redirect($returnurl);
 159
 160     } else if ($unsuspend and confirm_sesskey()) {
 161         require_capability('moodle/user:update', $sitecontext);
 162
 163         if ($user = $DB->get_record('user', array('id'=>$unsuspend, 'mnethostid'=>$CFG->mnet_localhost_id, 'deleted'=>0))) {
 164             if ($user->suspended != 0) {
 165                 $user->suspended = 0;
 166                 user_update_user($user, false);
 167             }
 168         }
 169         redirect($returnurl);
 170
 171     } else if ($unlock and confirm_sesskey()) {
 172         require_capability('moodle/user:update', $sitecontext);
 173
 174         if ($user = $DB->get_record('user', array('id'=>$unlock, 'mnethostid'=>$CFG->mnet_localhost_id, 'deleted'=>0))) {
 175             login_unlock_account($user);
 176         }
 177         redirect($returnurl);
 178     }
 179
 180     // create the user filter form
 181     $ufiltering = new user_filtering();
 182     echo $OUTPUT->header();
 183
 184     // Carry on with the user listing
 185     $context = context_system::instance();
 186     // These columns are always shown in the users list.
 187     $requiredcolumns = array('city', 'country', 'lastaccess');
 188     // Extra columns containing the extra user fields, excluding the required columns (city and country, to be specific).
 189     $userfields = \core_user\fields::for_identity($context, true)->excluding(...$requiredcolumns);
 190     $extracolumns = $userfields->get_required_fields();
 191     // Get all user name fields as an array, but with firstname and lastname first.
 192     $allusernamefields = \core_user\fields::get_name_fields(true);
 193     $columns = array_merge($allusernamefields, $extracolumns, $requiredcolumns);
 194
 195     foreach ($columns as $column) {
 196         $string[$column] = \core_user\fields::get_display_name($column);
 197         if ($sort != $column) {
 198             $columnicon = "";
 199             if ($column == "lastaccess") {
 200                 $columndir = "DESC";
 201             } else {
 202                 $columndir = "ASC";
 203             }
 204         } else {
 205             $columndir = $dir == "ASC" ? "DESC":"ASC";
 206             if ($column == "lastaccess") {
 207                 $columnicon = ($dir == "ASC") ? "sort_desc" : "sort_asc";
 208             } else {
 209                 $columnicon = ($dir == "ASC") ? "sort_asc" : "sort_desc";
 210             }
 211             $columnicon = $OUTPUT->pix_icon('t/' . $columnicon, get_string(strtolower($columndir)), 'core',
 212                                             ['class' => 'iconsort']);
 213
 214         }
 215         $$column = "<a href=\"user.php?sort=$column&amp;dir=$columndir\">".$string[$column]."</a>$columnicon";
 216     }
 217
 218     // We need to check that alternativefullnameformat is not set to '' or language.
 219     // We don't need to check the fullnamedisplay setting here as the fullname function call further down has
 220     // the override parameter set to true.
 221     $fullnamesetting = $CFG->alternativefullnameformat;
 222     // If we are using language or it is empty, then retrieve the default user names of just 'firstname' and 'lastname'.
 223     if ($fullnamesetting == 'language' || empty($fullnamesetting)) {
 224         // Set $a variables to return 'firstname' and 'lastname'.
 225         $a = new stdClass();
 226         $a->firstname = 'firstname';
 227         $a->lastname = 'lastname';
 228         // Getting the fullname display will ensure that the order in the language file is maintained.
 229         $fullnamesetting = get_string('fullnamedisplay', null, $a);
 230     }
 231
 232     // Order in string will ensure that the name columns are in the correct order.
 233     $usernames = order_in_string($allusernamefields, $fullnamesetting);
 234     $fullnamedisplay = array();
 235     foreach ($usernames as $name) {
 236         // Use the link from $$column for sorting on the user's name.
 237         $fullnamedisplay[] = ${$name};
 238     }
 239     // All of the names are in one column. Put them into a string and separate them with a /.
 240     $fullnamedisplay = implode(' / ', $fullnamedisplay);
 241     // If $sort = name then it is the default for the setting and we should use the first name to sort by.
 242     if ($sort == "name") {
 243         // Use the first item in the array.
 244         $sort = reset($usernames);
 245     }
 246
 247     list($extrasql, $params) = $ufiltering->get_sql_filter();
 248     $users = get_users_listing($sort, $dir, $page*$perpage, $perpage, '', '', '',
 249             $extrasql, $params, $context);
 250     $usercount = get_users(false);
 251     $usersearchcount = get_users(false, '', false, null, "", '', '', '', '', '*', $extrasql, $params);
 252
 253     if ($extrasql !== '') {
 254         echo $OUTPUT->heading("$usersearchcount / $usercount ".get_string('users'));
 255         $usercount = $usersearchcount;
 256     } else {
 257         echo $OUTPUT->heading("$usercount ".get_string('users'));
 258     }
 259
 260     $strall = get_string('all');
 261
 262     $baseurl = new moodle_url('/admin/user.php', array('sort' => $sort, 'dir' => $dir, 'perpage' => $perpage));
 263     echo $OUTPUT->paging_bar($usercount, $page, $perpage, $baseurl);
 264
 265     flush();
 266
 267
 268     if (!$users) {
 269         $match = array();
 270         echo $OUTPUT->heading(get_string('nousersfound'));
 271
 272         $table = NULL;
 273
 274     } else {
 275
 276         $countries = get_string_manager()->get_list_of_countries(true);
 277         if (empty($mnethosts)) {
 278             $mnethosts = $DB->get_records('mnet_host', null, 'id', 'id,wwwroot,name');
 279         }
 280
 281         foreach ($users as $key => $user) {
 282             if (isset($countries[$user->country])) {
 283                 $users[$key]->country = $countries[$user->country];
 284             }
 285         }
 286         if ($sort == "country") {
 287             // Need to resort by full country name, not code.
 288             foreach ($users as $user) {
 289                 $susers[$user->id] = $user->country;
 290             }
 291             // Sort by country name, according to $dir.
 292             if ($dir === 'DESC') {
 293                 arsort($susers);
 294             } else {
 295                 asort($susers);
 296             }
 297             foreach ($susers as $key => $value) {
 298                 $nusers[] = $users[$key];
 299             }
 300             $users = $nusers;
 301         }
 302
 303         $table = new html_table();
 304         $table->head = array ();
 305         $table->colclasses = array();
 306         $table->head[] = $fullnamedisplay;
 307         $table->attributes['class'] = 'admintable generaltable table-sm';
 308         foreach ($extracolumns as $field) {
 309             $table->head[] = ${$field};
 310         }
 311         $table->head[] = $city;
 312         $table->head[] = $country;
 313         $table->head[] = $lastaccess;
 314         $table->head[] = get_string('edit');
 315         $table->colclasses[] = 'centeralign';
 316         $table->head[] = "";
 317         $table->colclasses[] = 'centeralign';
 318
 319         $table->id = "users";
 320         foreach ($users as $user) {
 321             $buttons = array();
 322             $lastcolumn = '';
 323
 324             // delete button
 325             if (has_capability('moodle/user:delete', $sitecontext)) {
 326                 if (is_mnet_remote_user($user) or $user->id == $USER->id or is_siteadmin($user)) {
 327                     // no deleting of self, mnet accounts or admins allowed
 328                 } else {
 329                     $url = new moodle_url($returnurl, array('delete'=>$user->id, 'sesskey'=>sesskey()));
 330                     $buttons[] = html_writer::link($url, $OUTPUT->pix_icon('t/delete', $strdelete));
 331                 }
 332             }
 333
 334             // suspend button
 335             if (has_capability('moodle/user:update', $sitecontext)) {
 336                 if (is_mnet_remote_user($user)) {
 337                     // mnet users have special access control, they can not be deleted the standard way or suspended
 338                     $accessctrl = 'allow';
 339                     if ($acl = $DB->get_record('mnet_sso_access_control', array('username'=>$user->username, 'mnet_host_id'=>$user->mnethostid))) {
 340                         $accessctrl = $acl->accessctrl;
 341                     }
 342                     $changeaccessto = ($accessctrl == 'deny' ? 'allow' : 'deny');
 343                     $buttons[] = " (<a href=\"?acl={$user->id}&amp;accessctrl=$changeaccessto&amp;sesskey=".sesskey()."\">".get_string($changeaccessto, 'mnet') . " access</a>)";
 344
 345                 } else {
 346                     if ($user->suspended) {
 347                         $url = new moodle_url($returnurl, array('unsuspend'=>$user->id, 'sesskey'=>sesskey()));
 348                         $buttons[] = html_writer::link($url, $OUTPUT->pix_icon('t/show', $strunsuspend));
 349                     } else {
 350                         if ($user->id == $USER->id or is_siteadmin($user)) {
 351                             // no suspending of admins or self!
 352                         } else {
 353                             $url = new moodle_url($returnurl, array('suspend'=>$user->id, 'sesskey'=>sesskey()));
 354                             $buttons[] = html_writer::link($url, $OUTPUT->pix_icon('t/hide', $strsuspend));
 355                         }
 356                     }
 357
 358                     if (login_is_lockedout($user)) {
 359                         $url = new moodle_url($returnurl, array('unlock'=>$user->id, 'sesskey'=>sesskey()));
 360                         $buttons[] = html_writer::link($url, $OUTPUT->pix_icon('t/unlock', $strunlock));
 361                     }
 362                 }
 363             }
 364
 365             // edit button
 366             if (has_capability('moodle/user:update', $sitecontext)) {
 367                 // prevent editing of admins by non-admins
 368                 if (is_siteadmin($USER) or !is_siteadmin($user)) {
 369                     $url = new moodle_url('/user/editadvanced.php', array('id'=>$user->id, 'course'=>$site->id));
 370                     $buttons[] = html_writer::link($url, $OUTPUT->pix_icon('t/edit', $stredit));
 371                 }
 372             }
 373
 374             // the last column - confirm or mnet info
 375             if (is_mnet_remote_user($user)) {
 376                 // all mnet users are confirmed, let's print just the name of the host there
 377                 if (isset($mnethosts[$user->mnethostid])) {
 378                     $lastcolumn = get_string($accessctrl, 'mnet').': '.$mnethosts[$user->mnethostid]->name;
 379                 } else {
 380                     $lastcolumn = get_string($accessctrl, 'mnet');
 381                 }
 382
 383             } else if ($user->confirmed == 0) {
 384                 if (has_capability('moodle/user:update', $sitecontext)) {
 385                     $lastcolumn = html_writer::link(new moodle_url($returnurl, array('confirmuser'=>$user->id, 'sesskey'=>sesskey())), $strconfirm);
 386                 } else {
 387                     $lastcolumn = "<span class=\"dimmed_text\">".get_string('confirm')."</span>";
 388                 }
 389
 390                 $lastcolumn .= ' | ' . html_writer::link(new moodle_url($returnurl,
 391                     [
 392                         'resendemail' => $user->id,
 393                         'sesskey' => sesskey()
 394                     ]
 395                 ), $strresendemail);
 396             }
 397
 398             if ($user->lastaccess) {
 399                 $strlastaccess = format_time(time() - $user->lastaccess);
 400             } else {
 401                 $strlastaccess = get_string('never');
 402             }
 403             $fullname = fullname($user, true);
 404
 405             $row = array ();
 406             $row[] = "<a href=\"../user/view.php?id=$user->id&amp;course=$site->id\">$fullname</a>";
 407             foreach ($extracolumns as $field) {
 408                 $row[] = s($user->{$field});
 409             }
 410             $row[] = $user->city;
 411             $row[] = $user->country;
 412             $row[] = $strlastaccess;
 413             if ($user->suspended) {
 414                 foreach ($row as $k=>$v) {
 415                     $row[$k] = html_writer::tag('span', $v, array('class'=>'usersuspended'));
 416                 }
 417             }
 418             $row[] = implode(' ', $buttons);
 419             $row[] = $lastcolumn;
 420             $table->data[] = $row;
 421         }
 422     }
 423
 424     // add filters
 425     $ufiltering->display_add();
 426     $ufiltering->display_active();
 427
 428     if (!empty($table)) {
 429         echo html_writer::start_tag('div', array('class'=>'no-overflow'));
 430         echo html_writer::table($table);
 431         echo html_writer::end_tag('div');
 432         echo $OUTPUT->paging_bar($usercount, $page, $perpage, $baseurl);
 433     }
 434     if (has_capability('moodle/user:create', $sitecontext)) {
 435         $url = new moodle_url('/user/editadvanced.php', array('id' => -1));
 436         echo $OUTPUT->single_button($url, get_string('addnewuser'), 'get');
 437     }
 438
 439     echo $OUTPUT->footer();