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