admin/user.php

   1 <?php // $Id$
   2
   3     require_once('../config.php');
   4     require_once($CFG->libdir.'/adminlib.php');
   5
   6     $delete       = optional_param('delete', 0, PARAM_INT);
   7     $confirm      = optional_param('confirm', '', PARAM_ALPHANUM);   //md5 confirmation hash
   8     $confirmuser  = optional_param('confirmuser', 0, PARAM_INT);
   9     $sort         = optional_param('sort', 'name', PARAM_ALPHA);
  10     $dir          = optional_param('dir', 'ASC', PARAM_ALPHA);
  11     $page         = optional_param('page', 0, PARAM_INT);
  12     $perpage      = optional_param('perpage', 30, PARAM_INT);        // how many per page
  13     $search       = trim(optional_param('search', '', PARAM_RAW));
  14     $lastinitial  = optional_param('lastinitial', '', PARAM_CLEAN);  // only show students with this last initial
  15     $firstinitial = optional_param('firstinitial', '', PARAM_CLEAN); // only show students with this first initial
  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
  20
  21     admin_externalpage_setup('editusers');
  22
  23     // Let's see if we have *any* mnet users. Just ask for a single record
  24     $mnet_users = get_records_select('user', " auth='mnet' AND mnethostid != '{$CFG->mnet_localhost_id}' ", '', '*', '0', '1');
  25     if(is_array($mnet_users) && count($mnet_users) > 0) {
  26         $mnet_auth_users = true;
  27     } else {
  28         $mnet_auth_users = false;
  29     }
  30
  31     if($mnet_auth_users) {
  32         // Determine which users we are looking at (local, remote, or both). Start with both.
  33         if (!isset($_SESSION['admin-user-remoteusers'])) {
  34             $_SESSION['admin-user-remoteusers'] = 1;
  35             $_SESSION['admin-user-localusers']  = 1;
  36         }
  37         if ($ru == 0 or $ru == 1) {
  38             $_SESSION['admin-user-remoteusers'] = $ru;
  39         }
  40         if ($lu == 0 or $lu == 1) {
  41              $_SESSION['admin-user-localusers'] = $lu;
  42         }
  43         $remoteusers = $_SESSION['admin-user-remoteusers'];
  44         $localusers  = $_SESSION['admin-user-localusers'];
  45
  46         // if neither remote nor local, set to sensible local only
  47         if (!$remoteusers and !$localusers) {
  48             $_SESSION['admin-user-localusers'] = 1;
  49             $localusers = 1;
  50         }
  51     }
  52
  53     $sitecontext = get_context_instance(CONTEXT_SYSTEM, SITEID);
  54     $site = get_site();
  55
  56     if (!has_capability('moodle/user:update', $sitecontext) and !has_capability('moodle/user:delete', $sitecontext)) {
  57         error('You do not have the required permission to edit/delete users.');
  58     }
  59
  60     $stredit   = get_string('edit');
  61     $strdelete = get_string('delete');
  62     $strdeletecheck = get_string('deletecheck');
  63     $strsearch = get_string('search');
  64     $strshowallusers = get_string('showallusers');
  65
  66     if (empty($CFG->loginhttps)) {
  67         $securewwwroot = $CFG->wwwroot;
  68     } else {
  69         $securewwwroot = str_replace('http:','https:',$CFG->wwwroot);
  70     }
  71
  72     admin_externalpage_print_header();
  73
  74     if ($confirmuser and confirm_sesskey()) {
  75         if (!$user = get_record('user', 'id', $confirmuser)) {
  76             error("No such user!", '', true);
  77         }
  78
  79         $auth = get_auth_plugin($user->auth);
  80
  81         $result = $auth->user_confirm(addslashes($user->username), addslashes($user->secret));
  82
  83         if ($result == AUTH_CONFIRM_OK or $result == AUTH_CONFIRM_ALREADY) {
  84             notify(get_string('userconfirmed', '', fullname($user, true)) );
  85         } else {
  86             notify(get_string('usernotconfirmed', '', fullname($user, true)));
  87         }
  88
  89     } else if ($delete and confirm_sesskey()) {              // Delete a selected user, after confirmation
  90
  91         if (!has_capability('moodle/user:delete', $sitecontext)) {
  92             error('You do not have the required permission to delete a user.');
  93         }
  94
  95         if (!$user = get_record('user', 'id', $delete)) {
  96             error("No such user!", '', true);
  97         }
  98
  99         $primaryadmin = get_admin();
 100         if ($user->id == $primaryadmin->id) {
 101             error("You are not allowed to delete the primary admin user!", '', true);
 102         }
 103
 104         if ($confirm != md5($delete)) {
 105             $fullname = fullname($user, true);
 106             print_heading(get_string('deleteuser', 'admin'));
 107             $optionsyes = array('delete'=>$delete, 'confirm'=>md5($delete), 'sesskey'=>sesskey());
 108             notice_yesno(get_string('deletecheckfull', '', "'$fullname'"), 'user.php', 'user.php', $optionsyes, NULL, 'post', 'get');
 109             admin_externalpage_print_footer();
 110             die;
 111         } else if (data_submitted() and !$user->deleted) {
 112             //following code is also used in auth sync scripts
 113             $updateuser = new object();
 114             $updateuser->id           = $user->id;
 115             $updateuser->deleted      = 1;
 116             $updateuser->username     = addslashes("$user->email.".time());  // Remember it just in case
 117             $updateuser->email        = '';               // Clear this field to free it up
 118             $updateuser->idnumber     = '';               // Clear this field to free it up
 119             $updateuser->timemodified = time();
 120             if (update_record('user', $updateuser)) {
 121                 // not sure if this is needed. unenrol_student($user->id);  // From all courses
 122                 delete_records('role_assignments', 'userid', $user->id); // unassign all roles
 123                 // remove all context assigned on this user?
 124                 notify(get_string('deletedactivity', '', fullname($user, true)) );
 125             } else {
 126                 notify(get_string('deletednot', '', fullname($user, true)));
 127             }
 128         }
 129     } else if ($acl and confirm_sesskey()) {
 130         if (!has_capability('moodle/user:delete', $sitecontext)) {
 131             // TODO: this should be under a separate capability
 132             error('You are not permitted to modify the MNET access control list.');
 133         }
 134         if (!$user = get_record('user', 'id', $acl)) {
 135             error("No such user.", '', true);
 136         }
 137         if (!is_mnet_remote_user($user)) {
 138             error('Users in the MNET access control list must be remote MNET users.');
 139         }
 140         $accessctrl = strtolower(required_param('accessctrl', PARAM_ALPHA));
 141         if ($accessctrl != 'allow' and $accessctrl != 'deny') {
 142             error('Invalid access parameter.');
 143         }
 144         $aclrecord = get_record('mnet_sso_access_control', 'username', $user->username, 'mnet_host_id', $user->mnethostid);
 145         if (empty($aclrecord)) {
 146             $aclrecord = new object();
 147             $aclrecord->mnet_host_id = $user->mnethostid;
 148             $aclrecord->username = $user->username;
 149             $aclrecord->accessctrl = $accessctrl;
 150             if (!insert_record('mnet_sso_access_control', $aclrecord)) {
 151                 error("Database error - Couldn't modify the MNET access control list.", '', true);
 152             }
 153         } else {
 154             $aclrecord->accessctrl = $accessctrl;
 155             if (!update_record('mnet_sso_access_control', $aclrecord)) {
 156                 error("Database error - Couldn't modify the MNET access control list.", '', true);
 157             }
 158         }
 159         $mnethosts = get_records('mnet_host', '', '', 'id', 'id,wwwroot,name');
 160         notify("MNET access control list updated: username '$user->username' from host '"
 161                 . $mnethosts[$user->mnethostid]->name
 162                 . "' access now set to '$accessctrl'.");
 163     }
 164
 165     // Carry on with the user listing
 166
 167     $columns = array("firstname", "lastname", "email", "city", "country", "lastaccess");
 168
 169     foreach ($columns as $column) {
 170         $string[$column] = get_string("$column");
 171         if ($sort != $column) {
 172             $columnicon = "";
 173             if ($column == "lastaccess") {
 174                 $columndir = "DESC";
 175             } else {
 176                 $columndir = "ASC";
 177             }
 178         } else {
 179             $columndir = $dir == "ASC" ? "DESC":"ASC";
 180             if ($column == "lastaccess") {
 181                 $columnicon = $dir == "ASC" ? "up":"down";
 182             } else {
 183                 $columnicon = $dir == "ASC" ? "down":"up";
 184             }
 185             $columnicon = " <img src=\"$CFG->pixpath/t/$columnicon.gif\" alt=\"\" />";
 186
 187         }
 188         $$column = "<a href=\"user.php?sort=$column&amp;dir=$columndir&amp;search=".urlencode(stripslashes($search))."&amp;firstinitial=$firstinitial&amp;lastinitial=$lastinitial\">".$string[$column]."</a>$columnicon";
 189     }
 190
 191     if ($sort == "name") {
 192         $sort = "firstname";
 193     }
 194
 195     // tell the query which users we are looking at (local, remote, or both)
 196     $remotewhere = '';
 197     if($mnet_auth_users && ($localusers XOR $remoteusers)) {
 198         if ($localusers) {
 199             $remotewhere .= " and mnethostid = {$CFG->mnet_localhost_id} ";
 200         } else {
 201             $remotewhere .= " and mnethostid <> {$CFG->mnet_localhost_id} ";
 202         }
 203     }
 204
 205     $users = get_users_listing($sort, $dir, $page*$perpage, $perpage, $search, $firstinitial, $lastinitial, $remotewhere);
 206     $usercount = get_users(false);
 207     $usersearchcount = get_users(false, $search, true, "", "", $firstinitial, $lastinitial);
 208
 209     if ($search or $firstinitial or $lastinitial) {
 210         print_heading("$usersearchcount / $usercount ".get_string('users'));
 211         $usercount = $usersearchcount;
 212     } else {
 213         print_heading("$usercount ".get_string('users'));
 214     }
 215
 216     $alphabet = explode(',', get_string('alphabet'));
 217     $strall = get_string('all');
 218
 219
 220     /// Bar of first initials
 221
 222     echo "<p style=\"text-align:center\">";
 223     echo get_string("firstname")." : ";
 224     if ($firstinitial) {
 225         echo " <a href=\"user.php?sort=firstname&amp;dir=ASC&amp;".
 226              "perpage=$perpage&amp;lastinitial=$lastinitial\">$strall</a> ";
 227     } else {
 228         echo " <b>$strall</b> ";
 229     }
 230     foreach ($alphabet as $letter) {
 231         if ($letter == $firstinitial) {
 232             echo " <b>$letter</b> ";
 233         } else {
 234             echo " <a href=\"user.php?sort=firstname&amp;dir=ASC&amp;".
 235                  "perpage=$perpage&amp;lastinitial=$lastinitial&amp;firstinitial=$letter\">$letter</a> ";
 236         }
 237     }
 238     echo "<br />";
 239
 240     /// Bar of last initials
 241
 242     echo get_string("lastname")." : ";
 243     if ($lastinitial) {
 244         echo " <a href=\"user.php?sort=lastname&amp;dir=ASC&amp;".
 245              "perpage=$perpage&amp;firstinitial=$firstinitial\">$strall</a> ";
 246     } else {
 247         echo " <b>$strall</b> ";
 248     }
 249     foreach ($alphabet as $letter) {
 250         if ($letter == $lastinitial) {
 251             echo " <b>$letter</b> ";
 252         } else {
 253             echo " <a href=\"user.php?sort=lastname&amp;dir=ASC&amp;".
 254                  "perpage=$perpage&amp;firstinitial=$firstinitial&amp;lastinitial=$letter\">$letter</a> ";
 255         }
 256     }
 257     echo "</p>";
 258
 259     print_paging_bar($usercount, $page, $perpage,
 260             "user.php?sort=$sort&amp;dir=$dir&amp;perpage=$perpage&amp;firstinitial=$firstinitial&amp;lastinitial=$lastinitial&amp;search=".urlencode(stripslashes($search))."&amp;");
 261
 262     flush();
 263
 264
 265     if (!$users) {
 266         $match = array();
 267         if ($search !== '') {
 268            $match[] = s($search);
 269         }
 270         if ($firstinitial) {
 271            $match[] = get_string('firstname').": $firstinitial"."___";
 272         }
 273         if ($lastinitial) {
 274            $match[] = get_string('lastname').": $lastinitial"."___";
 275         }
 276         $matchstring = implode(", ", $match);
 277         print_heading(get_string('nousersmatching', '', $matchstring));
 278
 279         $table = NULL;
 280
 281     } else {
 282
 283         $countries = get_list_of_countries();
 284         if (empty($mnethosts)) {
 285             $mnethosts = get_records('mnet_host', '', '', 'id', 'id,wwwroot,name');
 286         }
 287
 288         foreach ($users as $key => $user) {
 289             if (!empty($user->country)) {
 290                 $users[$key]->country = $countries[$user->country];
 291             }
 292         }
 293         if ($sort == "country") {  // Need to resort by full country name, not code
 294             foreach ($users as $user) {
 295                 $susers[$user->id] = $user->country;
 296             }
 297             asort($susers);
 298             foreach ($susers as $key => $value) {
 299                 $nusers[] = $users[$key];
 300             }
 301             $users = $nusers;
 302         }
 303
 304         $mainadmin = get_admin();
 305
 306         $table->head = array ("$firstname / $lastname", $email, $city, $country, $lastaccess, "", "", "");
 307         $table->align = array ("left", "left", "left", "left", "left", "center", "center", "center");
 308         $table->width = "95%";
 309         foreach ($users as $user) {
 310             if ($user->username == 'guest') {
 311                 continue; // do not dispaly dummy new user and guest here
 312             }
 313
 314             if ($user->id == $USER->id) {
 315                 $deletebutton = "";
 316             } else {
 317                 if (has_capability('moodle/user:delete', $sitecontext)) {
 318                     $deletebutton = "<a href=\"user.php?delete=$user->id&amp;sesskey=$USER->sesskey\">$strdelete</a>";
 319                 } else {
 320                     $deletebutton ="";
 321                 }
 322             }
 323
 324             if (has_capability('moodle/user:update', $sitecontext) and ($user->id==$USER->id or $user->id != $mainadmin->id) and !is_mnet_remote_user($user)) {
 325                 $editbutton = "<a href=\"$securewwwroot/user/editadvanced.php?id=$user->id&amp;course=$site->id\">$stredit</a>";
 326                 if ($user->confirmed == 0) {
 327                     $confirmbutton = "<a href=\"user.php?confirmuser=$user->id&amp;sesskey=$USER->sesskey\">" . get_string('confirm') . "</a>";
 328                 } else {
 329                     $confirmbutton = "";
 330                 }
 331             } else {
 332                 $editbutton ="";
 333                 if ($user->confirmed == 0) {
 334                     $confirmbutton = "<span class=\"dimmed_text\">".get_string('confirm')."</span>";
 335                 } else {
 336                     $confirmbutton = "";
 337                 }
 338             }
 339
 340             // for remote users, shuffle columns around and display MNET stuff
 341             if (is_mnet_remote_user($user)) {
 342                 $accessctrl = 'allow';
 343                 if ($acl = get_record('mnet_sso_access_control', 'username', $user->username, 'mnet_host_id', $user->mnethostid)) {
 344                     $accessctrl = $acl->accessctrl;
 345                 }
 346                 $changeaccessto = ($accessctrl == 'deny' ? 'allow' : 'deny');
 347                 // delete button in confirm column - remote users should already be confirmed
 348                 // TODO: no delete for remote users, for now. new userid, delete flag, unique on username/host...
 349                 $confirmbutton = "";
 350                 // ACL in delete column
 351                 $deletebutton = get_string($accessctrl, 'mnet');
 352                 if (has_capability('moodle/user:delete', $sitecontext)) {
 353                     // TODO: this should be under a separate capability
 354                     $deletebutton .= " (<a href=\"?acl={$user->id}&amp;accessctrl=$changeaccessto&amp;sesskey={$USER->sesskey}\">"
 355                             . get_string($changeaccessto, 'mnet') . " access</a>)";
 356                 }
 357                 // mnet info in edit column
 358                 if (isset($mnethosts[$user->mnethostid])) {
 359                     $editbutton = $mnethosts[$user->mnethostid]->name;
 360                 }
 361             }
 362
 363             if ($user->lastaccess) {
 364                 $strlastaccess = format_time(time() - $user->lastaccess);
 365             } else {
 366                 $strlastaccess = get_string('never');
 367             }
 368             $fullname = fullname($user, true);
 369
 370             $table->data[] = array ("<a href=\"../user/view.php?id=$user->id&amp;course=$site->id\">$fullname</a>",
 371                                 "$user->email",
 372                                 "$user->city",
 373                                 "$user->country",
 374                                 $strlastaccess,
 375                                 $editbutton,
 376                                 $deletebutton,
 377                                 $confirmbutton);
 378         }
 379     }
 380
 381     if($mnet_auth_users) {
 382         echo "<p style=\"text-align:center\">";
 383         if ($localusers == 1 && $remoteusers == 1) {
 384             echo '<a href="?lu=0">'.get_string('hidelocal','mnet').'</a> | ';
 385         } elseif ($localusers == 0)  {
 386             echo '<a href="?lu=1">'.get_string('showlocal','mnet').'</a> | ';
 387         } else {
 388             echo get_string('hidelocal','mnet').' | ';
 389         }
 390         if ($localusers == 1 && $remoteusers == 1) {
 391             echo '<a href="?ru=0">'.get_string('hideremote','mnet').'</a>';
 392         } elseif ($remoteusers == 0) {
 393             echo '<a href="?ru=1">'.get_string('showremote','mnet').'</a>';
 394         } else {
 395             echo get_string('hideremote','mnet');
 396         }
 397         echo "</p>";
 398     }
 399
 400     echo "<table class=\"searchbox\" style=\"margin-left:auto;margin-right:auto\" cellpadding=\"10\"><tr><td>";
 401     echo "<form action=\"user.php\" method=\"get\"><fieldset class=\"invisiblefieldset\">";
 402     echo "<input type=\"text\" name=\"search\" value=\"".s($search, true)."\" size=\"20\" />";
 403     echo "<input type=\"submit\" value=\"$strsearch\" />";
 404     if ($search) {
 405         echo "<input type=\"button\" onclick=\"document.location='user.php';\" value=\"$strshowallusers\" />";
 406     }
 407     echo "</fieldset></form>";
 408     echo "</td></tr></table>";
 409
 410     if (has_capability('moodle/user:create', $sitecontext)) {
 411         print_heading('<a href="'.$securewwwroot.'/user/editadvanced.php?id=-1">'.get_string('addnewuser').'</a>');
 412     }
 413     if (!empty($table)) {
 414         print_table($table);
 415         print_paging_bar($usercount, $page, $perpage,
 416                          "user.php?sort=$sort&amp;dir=$dir&amp;perpage=$perpage".
 417                          "&amp;firstinitial=$firstinitial&amp;lastinitial=$lastinitial&amp;search=".urlencode(stripslashes($search))."&amp;");
 418         if (has_capability('moodle/user:create', $sitecontext)) {
 419             print_heading('<a href="'.$securewwwroot.'/user/editadvanced.php?id=-1">'.get_string('addnewuser').'</a>');
 420         }
 421     }
 422
 423
 424     admin_externalpage_print_footer();
 425
 426
 427 ?>