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