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