admin/user.php

   1 <?php
   2
   3     require_once('../config.php');
   4     require_once($CFG->libdir.'/adminlib.php');
   5     require_once($CFG->dirroot.'/user/filters/lib.php');
   6
   7     $delete       = optional_param('delete', 0, PARAM_INT);
   8     $confirm      = optional_param('confirm', '', PARAM_ALPHANUM);   //md5 confirmation hash
   9     $confirmuser  = optional_param('confirmuser', 0, PARAM_INT);
  10     $sort         = optional_param('sort', 'name', PARAM_ALPHANUM);
  11     $dir          = optional_param('dir', 'ASC', PARAM_ALPHA);
  12     $page         = optional_param('page', 0, PARAM_INT);
  13     $perpage      = optional_param('perpage', 30, PARAM_INT);        // how many per page
  14     $ru           = optional_param('ru', '2', PARAM_INT);            // show remote users
  15     $lu           = optional_param('lu', '2', PARAM_INT);            // show local users
  16     $acl          = optional_param('acl', '0', PARAM_INT);           // id of user to tweak mnet ACL (requires $access)
  17     $suspend      = optional_param('suspend', 0, PARAM_INT);
  18     $unsuspend    = optional_param('unsuspend', 0, PARAM_INT);
  19
  20     admin_externalpage_setup('editusers');
  21
  22     $sitecontext = context_system::instance();
  23     $site = get_site();
  24
  25     if (!has_capability('moodle/user:update', $sitecontext) and !has_capability('moodle/user:delete', $sitecontext)) {
  26         print_error('nopermissions', 'error', '', 'edit/delete users');
  27     }
  28
  29     $stredit   = get_string('edit');
  30     $strdelete = get_string('delete');
  31     $strdeletecheck = get_string('deletecheck');
  32     $strshowallusers = get_string('showallusers');
  33     $strsuspend = get_string('suspenduser', 'admin');
  34     $strunsuspend = get_string('unsuspenduser', 'admin');
  35     $strconfirm = get_string('confirm');
  36
  37     if (empty($CFG->loginhttps)) {
  38         $securewwwroot = $CFG->wwwroot;
  39     } else {
  40         $securewwwroot = str_replace('http:','https:',$CFG->wwwroot);
  41     }
  42
  43     $returnurl = new moodle_url('/admin/user.php', array('sort' => $sort, 'dir' => $dir, 'perpage' => $perpage, 'page'=>$page));
  44
  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'=>$CFG->mnet_localhost_id), '*', MUST_EXIST);
  66
  67         if (is_siteadmin($user->id)) {
  68             print_error('useradminodelete', 'error');
  69         }
  70
  71         if ($confirm != md5($delete)) {
  72             echo $OUTPUT->header();
  73             $fullname = fullname($user, true);
  74             echo $OUTPUT->heading(get_string('deleteuser', 'admin'));
  75             $optionsyes = array('delete'=>$delete, 'confirm'=>md5($delete), 'sesskey'=>sesskey());
  76             echo $OUTPUT->confirm(get_string('deletecheckfull', '', "'$fullname'"), new moodle_url($returnurl, $optionsyes), $returnurl);
  77             echo $OUTPUT->footer();
  78             die;
  79         } else if (data_submitted() and !$user->deleted) {
  80             if (delete_user($user)) {
  81                 session_gc(); // remove stale sessions
  82                 redirect($returnurl);
  83             } else {
  84                 session_gc(); // remove stale sessions
  85                 echo $OUTPUT->header();
  86                 echo $OUTPUT->notification($returnurl, get_string('deletednot', '', fullname($user, true)));
  87             }
  88         }
  89     } else if ($acl and confirm_sesskey()) {
  90         if (!has_capability('moodle/user:update', $sitecontext)) {
  91             print_error('nopermissions', 'error', '', 'modify the NMET access control list');
  92         }
  93         if (!$user = $DB->get_record('user', array('id'=>$acl))) {
  94             print_error('nousers', 'error');
  95         }
  96         if (!is_mnet_remote_user($user)) {
  97             print_error('usermustbemnet', 'error');
  98         }
  99         $accessctrl = strtolower(required_param('accessctrl', PARAM_ALPHA));
 100         if ($accessctrl != 'allow' and $accessctrl != 'deny') {
 101             print_error('invalidaccessparameter', 'error');
 102         }
 103         $aclrecord = $DB->get_record('mnet_sso_access_control', array('username'=>$user->username, 'mnet_host_id'=>$user->mnethostid));
 104         if (empty($aclrecord)) {
 105             $aclrecord = new stdClass();
 106             $aclrecord->mnet_host_id = $user->mnethostid;
 107             $aclrecord->username = $user->username;
 108             $aclrecord->accessctrl = $accessctrl;
 109             $DB->insert_record('mnet_sso_access_control', $aclrecord);
 110         } else {
 111             $aclrecord->accessctrl = $accessctrl;
 112             $DB->update_record('mnet_sso_access_control', $aclrecord);
 113         }
 114         $mnethosts = $DB->get_records('mnet_host', null, 'id', 'id,wwwroot,name');
 115         redirect($returnurl);
 116
 117     } else if ($suspend and confirm_sesskey()) {
 118         require_capability('moodle/user:update', $sitecontext);
 119
 120         if ($user = $DB->get_record('user', array('id'=>$suspend, 'mnethostid'=>$CFG->mnet_localhost_id, 'deleted'=>0))) {
 121             if (!is_siteadmin($user) and $USER->id != $user->id and $user->suspended != 1) {
 122                 $user->suspended = 1;
 123                 $user->timemodified = time();
 124                 $DB->set_field('user', 'suspended', $user->suspended, array('id'=>$user->id));
 125                 $DB->set_field('user', 'timemodified', $user->timemodified, array('id'=>$user->id));
 126                 // force logout
 127                 session_kill_user($user->id);
 128                 events_trigger('user_updated', $user);
 129             }
 130         }
 131         redirect($returnurl);
 132
 133     } else if ($unsuspend and confirm_sesskey()) {
 134         require_capability('moodle/user:update', $sitecontext);
 135
 136         if ($user = $DB->get_record('user', array('id'=>$unsuspend, 'mnethostid'=>$CFG->mnet_localhost_id, 'deleted'=>0))) {
 137             if ($user->suspended != 0) {
 138                 $user->suspended = 0;
 139                 $user->timemodified = time();
 140                 $DB->set_field('user', 'suspended', $user->suspended, array('id'=>$user->id));
 141                 $DB->set_field('user', 'timemodified', $user->timemodified, array('id'=>$user->id));
 142                 events_trigger('user_updated', $user);
 143             }
 144         }
 145         redirect($returnurl);
 146     }
 147
 148     // create the user filter form
 149     $ufiltering = new user_filtering();
 150     echo $OUTPUT->header();
 151
 152     // Carry on with the user listing
 153     $context = context_system::instance();
 154     $extracolumns = get_extra_user_fields($context);
 155     $columns = array_merge(array('firstname', 'lastname'), $extracolumns,
 156             array('city', 'country', 'lastaccess'));
 157
 158     foreach ($columns as $column) {
 159         $string[$column] = get_user_field_name($column);
 160         if ($sort != $column) {
 161             $columnicon = "";
 162             if ($column == "lastaccess") {
 163                 $columndir = "DESC";
 164             } else {
 165                 $columndir = "ASC";
 166             }
 167         } else {
 168             $columndir = $dir == "ASC" ? "DESC":"ASC";
 169             if ($column == "lastaccess") {
 170                 $columnicon = ($dir == "ASC") ? "sort_desc" : "sort_asc";
 171             } else {
 172                 $columnicon = ($dir == "ASC") ? "sort_asc" : "sort_desc";
 173             }
 174             $columnicon = "<img class='iconsort' src=\"" . $OUTPUT->pix_url('t/' . $columnicon) . "\" alt=\"\" />";
 175
 176         }
 177         $$column = "<a href=\"user.php?sort=$column&amp;dir=$columndir\">".$string[$column]."</a>$columnicon";
 178     }
 179
 180     $override = new stdClass();
 181     $override->firstname = 'firstname';
 182     $override->lastname = 'lastname';
 183     $fullnamelanguage = get_string('fullnamedisplay', '', $override);
 184     if (($CFG->fullnamedisplay == 'firstname lastname') or
 185         ($CFG->fullnamedisplay == 'firstname') or
 186         ($CFG->fullnamedisplay == 'language' and $fullnamelanguage == 'firstname lastname' )) {
 187         $fullnamedisplay = "$firstname / $lastname";
 188         if ($sort == "name") { // If sort has already been set to something else then ignore.
 189             $sort = "firstname";
 190         }
 191     } else { // ($CFG->fullnamedisplay == 'language' and $fullnamelanguage == 'lastname firstname').
 192         $fullnamedisplay = "$lastname / $firstname";
 193         if ($sort == "name") { // This should give the desired sorting based on fullnamedisplay.
 194             $sort = "lastname";
 195         }
 196     }
 197
 198     list($extrasql, $params) = $ufiltering->get_sql_filter();
 199
 200     $usercount = get_users(false);
 201     $usersearchcount = get_users(false, '', false, null, "", '', '', '', '', '*', $extrasql, $params);
 202
 203     // Exclude guest user from list.
 204     $noguestsql = '';
 205     if (!empty($extrasql)) {
 206         $noguestsql .= ' AND';
 207     }
 208     $noguestsql .= " id <> :guestid";
 209     $params['guestid'] = $CFG->siteguest;
 210     $users = get_users_listing($sort, $dir, $page*$perpage, $perpage, '', '', '',
 211             $extrasql.$noguestsql, $params, $context);
 212
 213     if ($extrasql !== '') {
 214         echo $OUTPUT->heading("$usersearchcount / $usercount ".get_string('users'));
 215         $usercount = $usersearchcount;
 216     } else {
 217         echo $OUTPUT->heading("$usercount ".get_string('users'));
 218     }
 219
 220     $strall = get_string('all');
 221
 222     $baseurl = new moodle_url('/admin/user.php', array('sort' => $sort, 'dir' => $dir, 'perpage' => $perpage));
 223     echo $OUTPUT->paging_bar($usercount, $page, $perpage, $baseurl);
 224
 225     flush();
 226
 227
 228     if (!$users) {
 229         $match = array();
 230         echo $OUTPUT->heading(get_string('nousersfound'));
 231
 232         $table = NULL;
 233
 234     } else {
 235
 236         $countries = get_string_manager()->get_list_of_countries(false);
 237         if (empty($mnethosts)) {
 238             $mnethosts = $DB->get_records('mnet_host', null, 'id', 'id,wwwroot,name');
 239         }
 240
 241         foreach ($users as $key => $user) {
 242             if (isset($countries[$user->country])) {
 243                 $users[$key]->country = $countries[$user->country];
 244             }
 245         }
 246         if ($sort == "country") {  // Need to resort by full country name, not code
 247             foreach ($users as $user) {
 248                 $susers[$user->id] = $user->country;
 249             }
 250             asort($susers);
 251             foreach ($susers as $key => $value) {
 252                 $nusers[] = $users[$key];
 253             }
 254             $users = $nusers;
 255         }
 256
 257         $table = new html_table();
 258         $table->head = array ();
 259         $table->align = array();
 260         $table->head[] = $fullnamedisplay;
 261         $table->align[] = 'left';
 262         foreach ($extracolumns as $field) {
 263             $table->head[] = ${$field};
 264             $table->align[] = 'left';
 265         }
 266         $table->head[] = $city;
 267         $table->align[] = 'left';
 268         $table->head[] = $country;
 269         $table->align[] = 'left';
 270         $table->head[] = $lastaccess;
 271         $table->align[] = 'left';
 272         $table->head[] = get_string('edit');
 273         $table->align[] = 'center';
 274         $table->head[] = "";
 275         $table->align[] = 'center';
 276
 277         $table->width = "95%";
 278         foreach ($users as $user) {
 279             if (isguestuser($user)) {
 280                 continue; // do not display guest here
 281             }
 282
 283             $buttons = array();
 284             $lastcolumn = '';
 285
 286             // delete button
 287             if (has_capability('moodle/user:delete', $sitecontext)) {
 288                 if (is_mnet_remote_user($user) or $user->id == $USER->id or is_siteadmin($user)) {
 289                     // no deleting of self, mnet accounts or admins allowed
 290                 } else {
 291                     $buttons[] = html_writer::link(new moodle_url($returnurl, array('delete'=>$user->id, 'sesskey'=>sesskey())), html_writer::empty_tag('img', array('src'=>$OUTPUT->pix_url('t/delete'), 'alt'=>$strdelete, 'class'=>'iconsmall')), array('title'=>$strdelete));
 292                 }
 293             }
 294
 295             // suspend button
 296             if (has_capability('moodle/user:update', $sitecontext)) {
 297                 if (is_mnet_remote_user($user)) {
 298                     // mnet users have special access control, they can not be deleted the standard way or suspended
 299                     $accessctrl = 'allow';
 300                     if ($acl = $DB->get_record('mnet_sso_access_control', array('username'=>$user->username, 'mnet_host_id'=>$user->mnethostid))) {
 301                         $accessctrl = $acl->accessctrl;
 302                     }
 303                     $changeaccessto = ($accessctrl == 'deny' ? 'allow' : 'deny');
 304                     $buttons[] = " (<a href=\"?acl={$user->id}&amp;accessctrl=$changeaccessto&amp;sesskey=".sesskey()."\">".get_string($changeaccessto, 'mnet') . " access</a>)";
 305
 306                 } else {
 307                     if ($user->suspended) {
 308                         $buttons[] = html_writer::link(new moodle_url($returnurl, array('unsuspend'=>$user->id, 'sesskey'=>sesskey())), html_writer::empty_tag('img', array('src'=>$OUTPUT->pix_url('t/show'), 'alt'=>$strunsuspend, 'class'=>'iconsmall')), array('title'=>$strunsuspend));
 309                     } else {
 310                         if ($user->id == $USER->id or is_siteadmin($user)) {
 311                             // no suspending of admins or self!
 312                         } else {
 313                             $buttons[] = html_writer::link(new moodle_url($returnurl, array('suspend'=>$user->id, 'sesskey'=>sesskey())), html_writer::empty_tag('img', array('src'=>$OUTPUT->pix_url('t/hide'), 'alt'=>$strsuspend, 'class'=>'iconsmall')), array('title'=>$strsuspend));
 314                         }
 315                     }
 316
 317                 }
 318             }
 319
 320             // edit button
 321             if (has_capability('moodle/user:update', $sitecontext)) {
 322                 // prevent editing of admins by non-admins
 323                 if (is_siteadmin($USER) or !is_siteadmin($user)) {
 324                     $buttons[] = html_writer::link(new moodle_url($securewwwroot.'/user/editadvanced.php', array('id'=>$user->id, 'course'=>$site->id)), html_writer::empty_tag('img', array('src'=>$OUTPUT->pix_url('t/edit'), 'alt'=>$stredit, 'class'=>'iconsmall')), array('title'=>$stredit));
 325                 }
 326             }
 327
 328             // the last column - confirm or mnet info
 329             if (is_mnet_remote_user($user)) {
 330                 // all mnet users are confirmed, let's print just the name of the host there
 331                 if (isset($mnethosts[$user->mnethostid])) {
 332                     $lastcolumn = get_string($accessctrl, 'mnet').': '.$mnethosts[$user->mnethostid]->name;
 333                 } else {
 334                     $lastcolumn = get_string($accessctrl, 'mnet');
 335                 }
 336
 337             } else if ($user->confirmed == 0) {
 338                 if (has_capability('moodle/user:update', $sitecontext)) {
 339                     $lastcolumn = html_writer::link(new moodle_url($returnurl, array('confirmuser'=>$user->id, 'sesskey'=>sesskey())), $strconfirm);
 340                 } else {
 341                     $lastcolumn = "<span class=\"dimmed_text\">".get_string('confirm')."</span>";
 342                 }
 343             }
 344
 345             if ($user->lastaccess) {
 346                 $strlastaccess = format_time(time() - $user->lastaccess);
 347             } else {
 348                 $strlastaccess = get_string('never');
 349             }
 350             $fullname = fullname($user, true);
 351
 352             $row = array ();
 353             $row[] = "<a href=\"../user/view.php?id=$user->id&amp;course=$site->id\">$fullname</a>";
 354             foreach ($extracolumns as $field) {
 355                 $row[] = $user->{$field};
 356             }
 357             $row[] = $user->city;
 358             $row[] = $user->country;
 359             $row[] = $strlastaccess;
 360             if ($user->suspended) {
 361                 foreach ($row as $k=>$v) {
 362                     $row[$k] = html_writer::tag('span', $v, array('class'=>'usersuspended'));
 363                 }
 364             }
 365             $row[] = implode(' ', $buttons);
 366             $row[] = $lastcolumn;
 367             $table->data[] = $row;
 368         }
 369     }
 370
 371     // add filters
 372     $ufiltering->display_add();
 373     $ufiltering->display_active();
 374
 375     if (has_capability('moodle/user:create', $sitecontext)) {
 376         echo $OUTPUT->heading('<a href="'.$securewwwroot.'/user/editadvanced.php?id=-1">'.get_string('addnewuser').'</a>');
 377     }
 378     if (!empty($table)) {
 379         echo html_writer::table($table);
 380         echo $OUTPUT->paging_bar($usercount, $page, $perpage, $baseurl);
 381         if (has_capability('moodle/user:create', $sitecontext)) {
 382             echo $OUTPUT->heading('<a href="'.$securewwwroot.'/user/editadvanced.php?id=-1">'.get_string('addnewuser').'</a>');
 383         }
 384     }
 385
 386     echo $OUTPUT->footer();
 387
 388
 389