1<?php 2 3use dokuwiki\Extension\AuthPlugin; 4use dokuwiki\Utf8\Clean; 5use dokuwiki\Utf8\PhpString; 6use dokuwiki\Utf8\Sort; 7use dokuwiki\Logger; 8 9/** 10 * Active Directory authentication backend for DokuWiki 11 * 12 * This makes authentication with a Active Directory server much easier 13 * than when using the normal LDAP backend by utilizing the adLDAP library 14 * 15 * Usage: 16 * Set DokuWiki's local.protected.php auth setting to read 17 * 18 * $conf['authtype'] = 'authad'; 19 * 20 * $conf['plugin']['authad']['account_suffix'] = '@my.domain.org'; 21 * $conf['plugin']['authad']['base_dn'] = 'DC=my,DC=domain,DC=org'; 22 * $conf['plugin']['authad']['domain_controllers'] = 'srv1.domain.org,srv2.domain.org'; 23 * 24 * //optional: 25 * $conf['plugin']['authad']['sso'] = 1; 26 * $conf['plugin']['authad']['admin_username'] = 'root'; 27 * $conf['plugin']['authad']['admin_password'] = 'pass'; 28 * $conf['plugin']['authad']['real_primarygroup'] = 1; 29 * $conf['plugin']['authad']['use_ssl'] = 1; 30 * $conf['plugin']['authad']['use_tls'] = 1; 31 * $conf['plugin']['authad']['debug'] = 1; 32 * // warn user about expiring password this many days in advance: 33 * $conf['plugin']['authad']['expirywarn'] = 5; 34 * 35 * // get additional information to the userinfo array 36 * // add a list of comma separated ldap contact fields. 37 * $conf['plugin']['authad']['additional'] = 'field1,field2'; 38 * 39 * @license GPL 2 (http://www.gnu.org/licenses/gpl.html) 40 * @author James Van Lommel <jamesvl@gmail.com> 41 * @link http://www.nosq.com/blog/2005/08/ldap-activedirectory-and-dokuwiki/ 42 * @author Andreas Gohr <andi@splitbrain.org> 43 * @author Jan Schumann <js@schumann-it.com> 44 */ 45class auth_plugin_authad extends AuthPlugin 46{ 47 /** 48 * @var array hold connection data for a specific AD domain 49 */ 50 protected $opts = []; 51 52 /** 53 * @var array open connections for each AD domain, as adLDAP objects 54 */ 55 protected $adldap = []; 56 57 /** 58 * @var bool message state 59 */ 60 protected $msgshown = false; 61 62 /** 63 * @var array user listing cache 64 */ 65 protected $users = []; 66 67 /** 68 * @var array filter patterns for listing users 69 */ 70 protected $pattern = []; 71 72 protected $grpsusers = []; 73 74 /** 75 * Constructor 76 */ 77 public function __construct() 78 { 79 global $INPUT; 80 parent::__construct(); 81 82 require_once(DOKU_PLUGIN . 'authad/adLDAP/adLDAP.php'); 83 require_once(DOKU_PLUGIN . 'authad/adLDAP/classes/adLDAPUtils.php'); 84 85 // we load the config early to modify it a bit here 86 $this->loadConfig(); 87 88 // additional information fields 89 if (isset($this->conf['additional'])) { 90 $this->conf['additional'] = str_replace(' ', '', $this->conf['additional']); 91 $this->conf['additional'] = explode(',', $this->conf['additional']); 92 } else $this->conf['additional'] = []; 93 94 // ldap extension is needed 95 if (!function_exists('ldap_connect')) { 96 if ($this->conf['debug']) 97 msg("AD Auth: PHP LDAP extension not found.", -1); 98 $this->success = false; 99 return; 100 } 101 102 // Prepare SSO 103 if (!empty($INPUT->server->str('REMOTE_USER'))) { 104 // make sure the right encoding is used 105 if ($this->getConf('sso_charset')) { 106 $INPUT->server->set( 107 'REMOTE_USER', 108 iconv($this->getConf('sso_charset'), 'UTF-8', $INPUT->server->str('REMOTE_USER')) 109 ); 110 } elseif (!Clean::isUtf8($INPUT->server->str('REMOTE_USER'))) { 111 $INPUT->server->set('REMOTE_USER', utf8_encode($INPUT->server->str('REMOTE_USER'))); 112 } 113 114 // trust the incoming user 115 if ($this->conf['sso']) { 116 $INPUT->server->set('REMOTE_USER', $this->cleanUser($INPUT->server->str('REMOTE_USER'))); 117 118 // we need to simulate a login 119 if (empty($_COOKIE[DOKU_COOKIE])) { 120 $INPUT->set('u', $INPUT->server->str('REMOTE_USER')); 121 $INPUT->set('p', 'sso_only'); 122 } 123 } 124 } 125 126 // other can do's are changed in $this->_loadServerConfig() base on domain setup 127 $this->cando['modName'] = (bool)$this->conf['update_name']; 128 $this->cando['modMail'] = (bool)$this->conf['update_mail']; 129 $this->cando['getUserCount'] = true; 130 } 131 132 /** 133 * Load domain config on capability check 134 * 135 * @param string $cap 136 * @return bool 137 */ 138 public function canDo($cap) 139 { 140 global $INPUT; 141 //capabilities depend on config, which may change depending on domain 142 $domain = $this->getUserDomain($INPUT->server->str('REMOTE_USER')); 143 $this->loadServerConfig($domain); 144 return parent::canDo($cap); 145 } 146 147 /** 148 * Check user+password [required auth function] 149 * 150 * Checks if the given user exists and the given 151 * plaintext password is correct by trying to bind 152 * to the LDAP server 153 * 154 * @author James Van Lommel <james@nosq.com> 155 * @param string $user 156 * @param string $pass 157 * @return bool 158 */ 159 public function checkPass($user, $pass) 160 { 161 global $INPUT; 162 if ( 163 $INPUT->server->str('REMOTE_USER') == $user && 164 $this->conf['sso'] 165 ) return true; 166 167 $adldap = $this->initAdLdap($this->getUserDomain($user)); 168 if (!$adldap) return false; 169 170 try { 171 return $adldap->authenticate($this->getUserName($user), $pass); 172 } catch (adLDAPException $e) { 173 // shouldn't really happen 174 return false; 175 } 176 } 177 178 /** 179 * Return user info [required auth function] 180 * 181 * Returns info about the given user needs to contain 182 * at least these fields: 183 * 184 * name string full name of the user 185 * mail string email address of the user 186 * grps array list of groups the user is in 187 * 188 * This AD specific function returns the following 189 * addional fields: 190 * 191 * dn string distinguished name (DN) 192 * uid string samaccountname 193 * lastpwd int timestamp of the date when the password was set 194 * expires true if the password expires 195 * expiresin int seconds until the password expires 196 * any fields specified in the 'additional' config option 197 * 198 * @author James Van Lommel <james@nosq.com> 199 * @param string $user 200 * @param bool $requireGroups (optional) - ignored, groups are always supplied by this plugin 201 * @return array|false 202 */ 203 public function getUserData($user, $requireGroups = true) 204 { 205 global $conf; 206 global $lang; 207 global $ID; 208 global $INPUT; 209 $adldap = $this->initAdLdap($this->getUserDomain($user)); 210 if (!$adldap) return false; 211 if ($user == '') return false; 212 213 $fields = ['mail', 'displayname', 'samaccountname', 'lastpwd', 'pwdlastset', 'useraccountcontrol']; 214 215 // add additional fields to read 216 $fields = array_merge($fields, $this->conf['additional']); 217 $fields = array_unique($fields); 218 $fields = array_filter($fields); 219 220 //get info for given user 221 $result = $adldap->user()->info($this->getUserName($user), $fields); 222 if ($result == false) { 223 return false; 224 } 225 226 //general user info 227 $info = []; 228 $info['name'] = $result[0]['displayname'][0]; 229 $info['mail'] = $result[0]['mail'][0]; 230 $info['uid'] = $result[0]['samaccountname'][0]; 231 $info['dn'] = $result[0]['dn']; 232 //last password set (Windows counts from January 1st 1601) 233 $info['lastpwd'] = $result[0]['pwdlastset'][0] / 10_000_000 - 11_644_473_600; 234 //will it expire? 235 $info['expires'] = !($result[0]['useraccountcontrol'][0] & 0x10000); //ADS_UF_DONT_EXPIRE_PASSWD 236 237 // additional information 238 foreach ($this->conf['additional'] as $field) { 239 if (isset($result[0][strtolower($field)])) { 240 $info[$field] = $result[0][strtolower($field)][0]; 241 } 242 } 243 244 // handle ActiveDirectory memberOf 245 $info['grps'] = $adldap->user()->groups($this->getUserName($user), (bool) $this->opts['recursive_groups']); 246 247 if (is_array($info['grps'])) { 248 foreach ($info['grps'] as $ndx => $group) { 249 $info['grps'][$ndx] = $this->cleanGroup($group); 250 } 251 } else { 252 $info['grps'] = []; 253 } 254 255 // always add the default group to the list of groups 256 if (!in_array($conf['defaultgroup'], $info['grps'])) { 257 $info['grps'][] = $conf['defaultgroup']; 258 } 259 260 // add the user's domain to the groups 261 $domain = $this->getUserDomain($user); 262 if ($domain && !in_array("domain-$domain", $info['grps'])) { 263 $info['grps'][] = $this->cleanGroup("domain-$domain"); 264 } 265 266 // check expiry time 267 if ($info['expires'] && $this->conf['expirywarn']) { 268 try { 269 $expiry = $adldap->user()->passwordExpiry($user); 270 if (is_array($expiry)) { 271 $info['expiresat'] = $expiry['expiryts']; 272 $info['expiresin'] = round(($info['expiresat'] - time()) / (24 * 60 * 60)); 273 274 // if this is the current user, warn him (once per request only) 275 if ( 276 ($INPUT->server->str('REMOTE_USER') == $user) && 277 ($info['expiresin'] <= $this->conf['expirywarn']) && 278 !$this->msgshown 279 ) { 280 $msg = sprintf($this->getLang('authpwdexpire'), $info['expiresin']); 281 if ($this->canDo('modPass')) { 282 $url = wl($ID, ['do' => 'profile']); 283 $msg .= ' <a href="' . $url . '">' . $lang['btn_profile'] . '</a>'; 284 } 285 msg($msg); 286 $this->msgshown = true; 287 } 288 } 289 } catch (adLDAPException $e) { 290 // ignore. should usually not happen 291 } 292 } 293 294 return $info; 295 } 296 297 /** 298 * Make AD group names usable by DokuWiki. 299 * 300 * Removes backslashes ('\'), pound signs ('#'), and converts spaces to underscores. 301 * 302 * @author James Van Lommel (jamesvl@gmail.com) 303 * @param string $group 304 * @return string 305 */ 306 public function cleanGroup($group) 307 { 308 $group = str_replace('\\', '', $group); 309 $group = str_replace('#', '', $group); 310 $group = preg_replace('[\s]', '_', $group); 311 $group = PhpString::strtolower(trim($group)); 312 return $group; 313 } 314 315 /** 316 * Sanitize user names 317 * 318 * Normalizes domain parts, does not modify the user name itself (unlike cleanGroup) 319 * 320 * @author Andreas Gohr <gohr@cosmocode.de> 321 * @param string $user 322 * @return string 323 */ 324 public function cleanUser($user) 325 { 326 $domain = ''; 327 328 // get NTLM or Kerberos domain part 329 [$dom, $user] = sexplode('\\', $user, 2, ''); 330 if (!$user) $user = $dom; 331 if ($dom) $domain = $dom; 332 [$user, $dom] = sexplode('@', $user, 2, ''); 333 if ($dom) $domain = $dom; 334 335 // clean up both 336 $domain = PhpString::strtolower(trim($domain)); 337 $user = PhpString::strtolower(trim($user)); 338 339 // is this a known, valid domain or do we work without account suffix? if not discard 340 if ( 341 (!isset($this->conf[$domain]) || !is_array($this->conf[$domain])) && 342 $this->conf['account_suffix'] !== '' 343 ) { 344 $domain = ''; 345 } 346 347 // reattach domain 348 if ($domain) $user = "$user@$domain"; 349 return $user; 350 } 351 352 /** 353 * Most values in LDAP are case-insensitive 354 * 355 * @return bool 356 */ 357 public function isCaseSensitive() 358 { 359 return false; 360 } 361 362 /** 363 * Create a Search-String useable by adLDAPUsers::all($includeDescription = false, $search = "*", $sorted = true) 364 * 365 * @param array $filter 366 * @return string 367 */ 368 protected function constructSearchString($filter) 369 { 370 if (!$filter) { 371 return '*'; 372 } 373 $adldapUtils = new adLDAPUtils($this->initAdLdap(null)); 374 $result = '*'; 375 if (isset($filter['name'])) { 376 $result .= ')(displayname=*' . $adldapUtils->ldapSlashes($filter['name']) . '*'; 377 unset($filter['name']); 378 } 379 380 if (isset($filter['user'])) { 381 $result .= ')(samAccountName=*' . $adldapUtils->ldapSlashes($filter['user']) . '*'; 382 unset($filter['user']); 383 } 384 385 if (isset($filter['mail'])) { 386 $result .= ')(mail=*' . $adldapUtils->ldapSlashes($filter['mail']) . '*'; 387 unset($filter['mail']); 388 } 389 return $result; 390 } 391 392 /** 393 * Return a count of the number of user which meet $filter criteria 394 * 395 * @param array $filter $filter array of field/pattern pairs, empty array for no filter 396 * @return int number of users 397 */ 398 public function getUserCount($filter = []) 399 { 400 $adldap = $this->initAdLdap(null); 401 if (!$adldap) { 402 Logger::debug("authad/auth.php getUserCount(): _adldap not set."); 403 return -1; 404 } 405 if ($filter == []) { 406 $result = $adldap->user()->all(); 407 } else { 408 $searchString = $this->constructSearchString($filter); 409 $result = $adldap->user()->all(false, $searchString); 410 if (isset($filter['grps'])) { 411 $this->users = array_fill_keys($result, false); 412 /** @var admin_plugin_usermanager $usermanager */ 413 $usermanager = plugin_load("admin", "usermanager", false); 414 $usermanager->setLastdisabled(true); 415 if (!isset($this->grpsusers[$this->filterToString($filter)])) { 416 $this->fillGroupUserArray($filter, $usermanager->getStart() + 3 * $usermanager->getPagesize()); 417 } elseif ( 418 count($this->grpsusers[$this->filterToString($filter)]) < 419 $usermanager->getStart() + 3 * $usermanager->getPagesize() 420 ) { 421 $this->fillGroupUserArray( 422 $filter, 423 $usermanager->getStart() + 424 3 * $usermanager->getPagesize() - 425 count($this->grpsusers[$this->filterToString($filter)]) 426 ); 427 } 428 $result = $this->grpsusers[$this->filterToString($filter)]; 429 } else { 430 /** @var admin_plugin_usermanager $usermanager */ 431 $usermanager = plugin_load("admin", "usermanager", false); 432 $usermanager->setLastdisabled(false); 433 } 434 } 435 436 if (!$result) { 437 return 0; 438 } 439 return count($result); 440 } 441 442 /** 443 * 444 * create a unique string for each filter used with a group 445 * 446 * @param array $filter 447 * @return string 448 */ 449 protected function filterToString($filter) 450 { 451 $result = ''; 452 if (isset($filter['user'])) { 453 $result .= 'user-' . $filter['user']; 454 } 455 if (isset($filter['name'])) { 456 $result .= 'name-' . $filter['name']; 457 } 458 if (isset($filter['mail'])) { 459 $result .= 'mail-' . $filter['mail']; 460 } 461 if (isset($filter['grps'])) { 462 $result .= 'grps-' . $filter['grps']; 463 } 464 return $result; 465 } 466 467 /** 468 * Create an array of $numberOfAdds users passing a certain $filter, including belonging 469 * to a certain group and save them to a object-wide array. If the array 470 * already exists try to add $numberOfAdds further users to it. 471 * 472 * @param array $filter 473 * @param int $numberOfAdds additional number of users requested 474 * @return int number of Users actually add to Array 475 */ 476 protected function fillGroupUserArray($filter, $numberOfAdds) 477 { 478 if (isset($this->grpsusers[$this->filterToString($filter)])) { 479 $actualstart = count($this->grpsusers[$this->filterToString($filter)]); 480 } else { 481 $this->grpsusers[$this->filterToString($filter)] = []; 482 $actualstart = 0; 483 } 484 485 $i = 0; 486 $count = 0; 487 $this->constructPattern($filter); 488 foreach ($this->users as $user => &$info) { 489 if ($i++ < $actualstart) { 490 continue; 491 } 492 if ($info === false) { 493 $info = $this->getUserData($user); 494 } 495 if ($this->filter($user, $info)) { 496 $this->grpsusers[$this->filterToString($filter)][$user] = $info; 497 if (($numberOfAdds > 0) && (++$count >= $numberOfAdds)) break; 498 } 499 } 500 return $count; 501 } 502 503 /** 504 * Bulk retrieval of user data 505 * 506 * @author Dominik Eckelmann <dokuwiki@cosmocode.de> 507 * 508 * @param int $start index of first user to be returned 509 * @param int $limit max number of users to be returned 510 * @param array $filter array of field/pattern pairs, null for no filter 511 * @return array userinfo (refer getUserData for internal userinfo details) 512 */ 513 public function retrieveUsers($start = 0, $limit = 0, $filter = []) 514 { 515 $adldap = $this->initAdLdap(null); 516 if (!$adldap) return []; 517 518 //if (!$this->users) { 519 //get info for given user 520 $result = $adldap->user()->all(false, $this->constructSearchString($filter)); 521 if (!$result) return []; 522 $this->users = array_fill_keys($result, false); 523 //} 524 525 $i = 0; 526 $count = 0; 527 $result = []; 528 529 if (!isset($filter['grps'])) { 530 /** @var admin_plugin_usermanager $usermanager */ 531 $usermanager = plugin_load("admin", "usermanager", false); 532 $usermanager->setLastdisabled(false); 533 $this->constructPattern($filter); 534 foreach ($this->users as $user => &$info) { 535 if ($i++ < $start) { 536 continue; 537 } 538 if ($info === false) { 539 $info = $this->getUserData($user); 540 } 541 $result[$user] = $info; 542 if (($limit > 0) && (++$count >= $limit)) break; 543 } 544 } else { 545 /** @var admin_plugin_usermanager $usermanager */ 546 $usermanager = plugin_load("admin", "usermanager", false); 547 $usermanager->setLastdisabled(true); 548 if ( 549 !isset($this->grpsusers[$this->filterToString($filter)]) || 550 count($this->grpsusers[$this->filterToString($filter)]) < ($start + $limit) 551 ) { 552 if (!isset($this->grpsusers[$this->filterToString($filter)])) { 553 $this->grpsusers[$this->filterToString($filter)] = []; 554 } 555 556 $this->fillGroupUserArray( 557 $filter, 558 $start + $limit - count($this->grpsusers[$this->filterToString($filter)]) + 1 559 ); 560 } 561 if (!$this->grpsusers[$this->filterToString($filter)]) return []; 562 foreach ($this->grpsusers[$this->filterToString($filter)] as $user => &$info) { 563 if ($i++ < $start) { 564 continue; 565 } 566 $result[$user] = $info; 567 if (($limit > 0) && (++$count >= $limit)) break; 568 } 569 } 570 return $result; 571 } 572 573 /** 574 * Modify user data 575 * 576 * @param string $user nick of the user to be changed 577 * @param array $changes array of field/value pairs to be changed 578 * @return bool 579 */ 580 public function modifyUser($user, $changes) 581 { 582 $return = true; 583 $adldap = $this->initAdLdap($this->getUserDomain($user)); 584 if (!$adldap) { 585 msg($this->getLang('connectfail'), -1); 586 return false; 587 } 588 589 // password changing 590 if (isset($changes['pass'])) { 591 try { 592 $return = $adldap->user()->password($this->getUserName($user), $changes['pass']); 593 } catch (adLDAPException $e) { 594 if ($this->conf['debug']) msg('AD Auth: ' . $e->getMessage(), -1); 595 $return = false; 596 } 597 if (!$return) msg($this->getLang('passchangefail'), -1); 598 } 599 600 // changing user data 601 $adchanges = []; 602 if (isset($changes['name'])) { 603 // get first and last name 604 $parts = explode(' ', $changes['name']); 605 $adchanges['surname'] = array_pop($parts); 606 $adchanges['firstname'] = implode(' ', $parts); 607 $adchanges['display_name'] = $changes['name']; 608 } 609 if (isset($changes['mail'])) { 610 $adchanges['email'] = $changes['mail']; 611 } 612 if ($adchanges !== []) { 613 try { 614 $return &= $adldap->user()->modify($this->getUserName($user), $adchanges); 615 } catch (adLDAPException $e) { 616 if ($this->conf['debug']) msg('AD Auth: ' . $e->getMessage(), -1); 617 $return = false; 618 } 619 if (!$return) msg($this->getLang('userchangefail'), -1); 620 } 621 622 return $return; 623 } 624 625 /** 626 * Initialize the AdLDAP library and connect to the server 627 * 628 * When you pass null as domain, it will reuse any existing domain. 629 * Eg. the one of the logged in user. It falls back to the default 630 * domain if no current one is available. 631 * 632 * @param string|null $domain The AD domain to use 633 * @return adLDAP|bool true if a connection was established 634 */ 635 protected function initAdLdap($domain) 636 { 637 if (is_null($domain) && is_array($this->opts)) { 638 $domain = $this->opts['domain']; 639 } 640 641 $this->opts = $this->loadServerConfig((string) $domain); 642 if (isset($this->adldap[$domain])) return $this->adldap[$domain]; 643 644 // connect 645 try { 646 $this->adldap[$domain] = new adLDAP($this->opts); 647 return $this->adldap[$domain]; 648 } catch (Exception $e) { 649 if ($this->conf['debug']) { 650 msg('AD Auth: ' . $e->getMessage(), -1); 651 } 652 $this->success = false; 653 $this->adldap[$domain] = null; 654 } 655 return false; 656 } 657 658 /** 659 * Get the domain part from a user 660 * 661 * @param string $user 662 * @return string 663 */ 664 public function getUserDomain($user) 665 { 666 [, $domain] = sexplode('@', $user, 2, ''); 667 return $domain; 668 } 669 670 /** 671 * Get the user part from a user 672 * 673 * When an account suffix is set, we strip the domain part from the user 674 * 675 * @param string $user 676 * @return string 677 */ 678 public function getUserName($user) 679 { 680 if ($this->conf['account_suffix'] !== '') { 681 [$user] = explode('@', $user, 2); 682 } 683 return $user; 684 } 685 686 /** 687 * Fetch the configuration for the given AD domain 688 * 689 * @param string $domain current AD domain 690 * @return array 691 */ 692 protected function loadServerConfig($domain) 693 { 694 // prepare adLDAP standard configuration 695 $opts = $this->conf; 696 697 $opts['domain'] = $domain; 698 699 // add possible domain specific configuration 700 if ($domain && is_array($this->conf[$domain] ?? '')) foreach ($this->conf[$domain] as $key => $val) { 701 $opts[$key] = $val; 702 } 703 704 // handle multiple AD servers 705 $opts['domain_controllers'] = explode(',', $opts['domain_controllers']); 706 $opts['domain_controllers'] = array_map('trim', $opts['domain_controllers']); 707 $opts['domain_controllers'] = array_filter($opts['domain_controllers']); 708 709 // compatibility with old option name 710 if (empty($opts['admin_username']) && !empty($opts['ad_username'])) { 711 $opts['admin_username'] = $opts['ad_username']; 712 } 713 if (empty($opts['admin_password']) && !empty($opts['ad_password'])) { 714 $opts['admin_password'] = $opts['ad_password']; 715 } 716 $opts['admin_password'] = conf_decodeString($opts['admin_password']); // deobfuscate 717 718 // we can change the password if SSL is set 719 if ($opts['update_pass'] && ($opts['use_ssl'] || $opts['use_tls'])) { 720 $this->cando['modPass'] = true; 721 } else { 722 $this->cando['modPass'] = false; 723 } 724 725 // adLDAP expects empty user/pass as NULL, we're less strict FS#2781 726 if (empty($opts['admin_username'])) $opts['admin_username'] = null; 727 if (empty($opts['admin_password'])) $opts['admin_password'] = null; 728 729 // user listing needs admin priviledges 730 if (!empty($opts['admin_username']) && !empty($opts['admin_password'])) { 731 $this->cando['getUsers'] = true; 732 } else { 733 $this->cando['getUsers'] = false; 734 } 735 736 return $opts; 737 } 738 739 /** 740 * Returns a list of configured domains 741 * 742 * The default domain has an empty string as key 743 * 744 * @return array associative array(key => domain) 745 */ 746 public function getConfiguredDomains() 747 { 748 $domains = []; 749 if (empty($this->conf['account_suffix'])) return $domains; // not configured yet 750 751 // add default domain, using the name from account suffix 752 $domains[''] = ltrim($this->conf['account_suffix'], '@'); 753 754 // find additional domains 755 foreach ($this->conf as $key => $val) { 756 if (is_array($val) && isset($val['account_suffix'])) { 757 $domains[$key] = ltrim($val['account_suffix'], '@'); 758 } 759 } 760 Sort::ksort($domains); 761 762 return $domains; 763 } 764 765 /** 766 * Check provided user and userinfo for matching patterns 767 * 768 * The patterns are set up with $this->_constructPattern() 769 * 770 * @author Chris Smith <chris@jalakai.co.uk> 771 * 772 * @param string $user 773 * @param array $info 774 * @return bool 775 */ 776 protected function filter($user, $info) 777 { 778 foreach ($this->pattern as $item => $pattern) { 779 if ($item == 'user') { 780 if (!preg_match($pattern, $user)) return false; 781 } elseif ($item == 'grps') { 782 if (!count(preg_grep($pattern, $info['grps']))) return false; 783 } elseif (!preg_match($pattern, $info[$item])) { 784 return false; 785 } 786 } 787 return true; 788 } 789 790 /** 791 * Create a pattern for $this->_filter() 792 * 793 * @author Chris Smith <chris@jalakai.co.uk> 794 * 795 * @param array $filter 796 */ 797 protected function constructPattern($filter) 798 { 799 $this->pattern = []; 800 foreach ($filter as $item => $pattern) { 801 $this->pattern[$item] = '/' . str_replace('/', '\/', $pattern) . '/i'; // allow regex characters 802 } 803 } 804} 805