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