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             if (delete_user($user)) {
 113                 notify(get_string('deletedactivity', '', fullname($user, true)) );
 114             } else {
 115                 notify(get_string('deletednot', '', fullname($user, true)));
 116             }
 117         }
 118     } else if ($acl and confirm_sesskey()) {
 119         if (!has_capability('moodle/user:delete', $sitecontext)) {
 120             // TODO: this should be under a separate capability
 121             error('You are not permitted to modify the MNET access control list.');
 122         }
 123         if (!$user = get_record('user', 'id', $acl)) {
 124             error("No such user.", '', true);
 125         }
 126         if (!is_mnet_remote_user($user)) {
 127             error('Users in the MNET access control list must be remote MNET users.');
 128         }
 129         $accessctrl = strtolower(required_param('accessctrl', PARAM_ALPHA));
 130         if ($accessctrl != 'allow' and $accessctrl != 'deny') {
 131             error('Invalid access parameter.');
 132         }
 133         $aclrecord = get_record('mnet_sso_access_control', 'username', $user->username, 'mnet_host_id', $user->mnethostid);
 134         if (empty($aclrecord)) {
 135             $aclrecord = new object();
 136             $aclrecord->mnet_host_id = $user->mnethostid;
 137             $aclrecord->username = $user->username;
 138             $aclrecord->accessctrl = $accessctrl;
 139             if (!insert_record('mnet_sso_access_control', $aclrecord)) {
 140                 error("Database error - Couldn't modify the MNET access control list.", '', true);
 141             }
 142         } else {
 143             $aclrecord->accessctrl = $accessctrl;
 144             if (!update_record('mnet_sso_access_control', $aclrecord)) {
 145                 error("Database error - Couldn't modify the MNET access control list.", '', true);
 146             }
 147         }
 148         $mnethosts = get_records('mnet_host', '', '', 'id', 'id,wwwroot,name');
 149         notify("MNET access control list updated: username '$user->username' from host '"
 150                 . $mnethosts[$user->mnethostid]->name
 151                 . "' access now set to '$accessctrl'.");
 152     }
 153
 154     // Carry on with the user listing
 155
 156     $columns = array("firstname", "lastname", "email", "city", "country", "lastaccess");
 157
 158     foreach ($columns as $column) {
 159         $string[$column] = get_string("$column");
 160         if ($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" ? "up":"down";
 171             } else {
 172                 $columnicon = $dir == "ASC" ? "down":"up";
 173             }
 174             $columnicon = " <img src=\"$CFG->pixpath/t/$columnicon.gif\" alt=\"\" />";
 175
 176         }
 177         $$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";
 178     }
 179
 180     if ($sort == "name") {
 181         $sort = "firstname";
 182     }
 183
 184     // tell the query which users we are looking at (local, remote, or both)
 185     $remotewhere = '';
 186     if($mnet_auth_users && ($localusers XOR $remoteusers)) {
 187         if ($localusers) {
 188             $remotewhere .= " and mnethostid = {$CFG->mnet_localhost_id} ";
 189         } else {
 190             $remotewhere .= " and mnethostid <> {$CFG->mnet_localhost_id} ";
 191         }
 192     }
 193
 194     $users = get_users_listing($sort, $dir, $page*$perpage, $perpage, $search, $firstinitial, $lastinitial, $remotewhere);
 195     $usercount = get_users(false);
 196     $usersearchcount = get_users(false, $search, true, "", "", $firstinitial, $lastinitial);
 197
 198     if ($search or $firstinitial or $lastinitial) {
 199         print_heading("$usersearchcount / $usercount ".get_string('users'));
 200         $usercount = $usersearchcount;
 201     } else {
 202         print_heading("$usercount ".get_string('users'));
 203     }
 204
 205     $alphabet = explode(',', get_string('alphabet'));
 206     $strall = get_string('all');
 207
 208
 209     /// Bar of first initials
 210
 211     echo "<p style=\"text-align:center\">";
 212     echo get_string("firstname")." : ";
 213     if ($firstinitial) {
 214         echo " <a href=\"user.php?sort=firstname&amp;dir=ASC&amp;".
 215              "perpage=$perpage&amp;lastinitial=$lastinitial\">$strall</a> ";
 216     } else {
 217         echo " <b>$strall</b> ";
 218     }
 219     foreach ($alphabet as $letter) {
 220         if ($letter == $firstinitial) {
 221             echo " <b>$letter</b> ";
 222         } else {
 223             echo " <a href=\"user.php?sort=firstname&amp;dir=ASC&amp;".
 224                  "perpage=$perpage&amp;lastinitial=$lastinitial&amp;firstinitial=$letter\">$letter</a> ";
 225         }
 226     }
 227     echo "<br />";
 228
 229     /// Bar of last initials
 230
 231     echo get_string("lastname")." : ";
 232     if ($lastinitial) {
 233         echo " <a href=\"user.php?sort=lastname&amp;dir=ASC&amp;".
 234              "perpage=$perpage&amp;firstinitial=$firstinitial\">$strall</a> ";
 235     } else {
 236         echo " <b>$strall</b> ";
 237     }
 238     foreach ($alphabet as $letter) {
 239         if ($letter == $lastinitial) {
 240             echo " <b>$letter</b> ";
 241         } else {
 242             echo " <a href=\"user.php?sort=lastname&amp;dir=ASC&amp;".
 243                  "perpage=$perpage&amp;firstinitial=$firstinitial&amp;lastinitial=$letter\">$letter</a> ";
 244         }
 245     }
 246     echo "</p>";
 247
 248     print_paging_bar($usercount, $page, $perpage,
 249             "user.php?sort=$sort&amp;dir=$dir&amp;perpage=$perpage&amp;firstinitial=$firstinitial&amp;lastinitial=$lastinitial&amp;search=".urlencode(stripslashes($search))."&amp;");
 250
 251     flush();
 252
 253
 254     if (!$users) {
 255         $match = array();
 256         if ($search !== '') {
 257            $match[] = s($search);
 258         }
 259         if ($firstinitial) {
 260            $match[] = get_string('firstname').": $firstinitial"."___";
 261         }
 262         if ($lastinitial) {
 263            $match[] = get_string('lastname').": $lastinitial"."___";
 264         }
 265         $matchstring = implode(", ", $match);
 266         print_heading(get_string('nousersmatching', '', $matchstring));
 267
 268         $table = NULL;
 269
 270     } else {
 271
 272         $countries = get_list_of_countries();
 273         if (empty($mnethosts)) {
 274             $mnethosts = get_records('mnet_host', '', '', 'id', 'id,wwwroot,name');
 275         }
 276
 277         foreach ($users as $key => $user) {
 278             if (!empty($user->country)) {
 279                 $users[$key]->country = $countries[$user->country];
 280             }
 281         }
 282         if ($sort == "country") {  // Need to resort by full country name, not code
 283             foreach ($users as $user) {
 284                 $susers[$user->id] = $user->country;
 285             }
 286             asort($susers);
 287             foreach ($susers as $key => $value) {
 288                 $nusers[] = $users[$key];
 289             }
 290             $users = $nusers;
 291         }
 292
 293         $mainadmin = get_admin();
 294
 295         $table->head = array ("$firstname / $lastname", $email, $city, $country, $lastaccess, "", "", "");
 296         $table->align = array ("left", "left", "left", "left", "left", "center", "center", "center");
 297         $table->width = "95%";
 298         foreach ($users as $user) {
 299             if ($user->username == 'guest') {
 300                 continue; // do not dispaly dummy new user and guest here
 301             }
 302
 303             if ($user->id == $USER->id) {
 304                 $deletebutton = "";
 305             } else {
 306                 if (has_capability('moodle/user:delete', $sitecontext)) {
 307                     $deletebutton = "<a href=\"user.php?delete=$user->id&amp;sesskey=$USER->sesskey\">$strdelete</a>";
 308                 } else {
 309                     $deletebutton ="";
 310                 }
 311             }
 312
 313             if (has_capability('moodle/user:update', $sitecontext) and ($user->id==$USER->id or $user->id != $mainadmin->id) and !is_mnet_remote_user($user)) {
 314                 $editbutton = "<a href=\"$securewwwroot/user/editadvanced.php?id=$user->id&amp;course=$site->id\">$stredit</a>";
 315                 if ($user->confirmed == 0) {
 316                     $confirmbutton = "<a href=\"user.php?confirmuser=$user->id&amp;sesskey=$USER->sesskey\">" . get_string('confirm') . "</a>";
 317                 } else {
 318                     $confirmbutton = "";
 319                 }
 320             } else {
 321                 $editbutton ="";
 322                 if ($user->confirmed == 0) {
 323                     $confirmbutton = "<span class=\"dimmed_text\">".get_string('confirm')."</span>";
 324                 } else {
 325                     $confirmbutton = "";
 326                 }
 327             }
 328
 329             // for remote users, shuffle columns around and display MNET stuff
 330             if (is_mnet_remote_user($user)) {
 331                 $accessctrl = 'allow';
 332                 if ($acl = get_record('mnet_sso_access_control', 'username', $user->username, 'mnet_host_id', $user->mnethostid)) {
 333                     $accessctrl = $acl->accessctrl;
 334                 }
 335                 $changeaccessto = ($accessctrl == 'deny' ? 'allow' : 'deny');
 336                 // delete button in confirm column - remote users should already be confirmed
 337                 // TODO: no delete for remote users, for now. new userid, delete flag, unique on username/host...
 338                 $confirmbutton = "";
 339                 // ACL in delete column
 340                 $deletebutton = get_string($accessctrl, 'mnet');
 341                 if (has_capability('moodle/user:delete', $sitecontext)) {
 342                     // TODO: this should be under a separate capability
 343                     $deletebutton .= " (<a href=\"?acl={$user->id}&amp;accessctrl=$changeaccessto&amp;sesskey={$USER->sesskey}\">"
 344                             . get_string($changeaccessto, 'mnet') . " access</a>)";
 345                 }
 346                 // mnet info in edit column
 347                 if (isset($mnethosts[$user->mnethostid])) {
 348                     $editbutton = $mnethosts[$user->mnethostid]->name;
 349                 }
 350             }
 351
 352             if ($user->lastaccess) {
 353                 $strlastaccess = format_time(time() - $user->lastaccess);
 354             } else {
 355                 $strlastaccess = get_string('never');
 356             }
 357             $fullname = fullname($user, true);
 358
 359             $table->data[] = array ("<a href=\"../user/view.php?id=$user->id&amp;course=$site->id\">$fullname</a>",
 360                                 "$user->email",
 361                                 "$user->city",
 362                                 "$user->country",
 363                                 $strlastaccess,
 364                                 $editbutton,
 365                                 $deletebutton,
 366                                 $confirmbutton);
 367         }
 368     }
 369
 370     if($mnet_auth_users) {
 371         echo "<p style=\"text-align:center\">";
 372         if ($localusers == 1 && $remoteusers == 1) {
 373             echo '<a href="?lu=0">'.get_string('hidelocal','mnet').'</a> | ';
 374         } elseif ($localusers == 0)  {
 375             echo '<a href="?lu=1">'.get_string('showlocal','mnet').'</a> | ';
 376         } else {
 377             echo get_string('hidelocal','mnet').' | ';
 378         }
 379         if ($localusers == 1 && $remoteusers == 1) {
 380             echo '<a href="?ru=0">'.get_string('hideremote','mnet').'</a>';
 381         } elseif ($remoteusers == 0) {
 382             echo '<a href="?ru=1">'.get_string('showremote','mnet').'</a>';
 383         } else {
 384             echo get_string('hideremote','mnet');
 385         }
 386         echo "</p>";
 387     }
 388
 389     echo "<table class=\"searchbox\" style=\"margin-left:auto;margin-right:auto\" cellpadding=\"10\"><tr><td>";
 390     echo "<form action=\"user.php\" method=\"get\"><fieldset class=\"invisiblefieldset\">";
 391     echo "<input type=\"text\" name=\"search\" value=\"".s($search, true)."\" size=\"20\" />";
 392     echo "<input type=\"submit\" value=\"$strsearch\" />";
 393     if ($search) {
 394         echo "<input type=\"button\" onclick=\"document.location='user.php';\" value=\"$strshowallusers\" />";
 395     }
 396     echo "</fieldset></form>";
 397     echo "</td></tr></table>";
 398
 399     if (has_capability('moodle/user:create', $sitecontext)) {
 400         print_heading('<a href="'.$securewwwroot.'/user/editadvanced.php?id=-1">'.get_string('addnewuser').'</a>');
 401     }
 402     if (!empty($table)) {
 403         print_table($table);
 404         print_paging_bar($usercount, $page, $perpage,
 405                          "user.php?sort=$sort&amp;dir=$dir&amp;perpage=$perpage".
 406                          "&amp;firstinitial=$firstinitial&amp;lastinitial=$lastinitial&amp;search=".urlencode(stripslashes($search))."&amp;");
 407         if (has_capability('moodle/user:create', $sitecontext)) {
 408             print_heading('<a href="'.$securewwwroot.'/user/editadvanced.php?id=-1">'.get_string('addnewuser').'</a>');
 409         }
 410     }
 411
 412
 413     admin_externalpage_print_footer();
 414
 415
 416 ?>