1<?php 2use dokuwiki\Utf8\Sort; 3use dokuwiki\Logger; 4 5/** 6 * Active Directory authentication backend for DokuWiki 7 * 8 * This makes authentication with a Active Directory server much easier 9 * than when using the normal LDAP backend by utilizing the adLDAP library 10 * 11 * Usage: 12 * Set DokuWiki's local.protected.php auth setting to read 13 * 14 * $conf['authtype'] = 'authad'; 15 * 16 * $conf['plugin']['authad']['account_suffix'] = '@my.domain.org'; 17 * $conf['plugin']['authad']['base_dn'] = 'DC=my,DC=domain,DC=org'; 18 * $conf['plugin']['authad']['domain_controllers'] = 'srv1.domain.org,srv2.domain.org'; 19 * 20 * //optional: 21 * $conf['plugin']['authad']['sso'] = 1; 22 * $conf['plugin']['authad']['admin_username'] = 'root'; 23 * $conf['plugin']['authad']['admin_password'] = 'pass'; 24 * $conf['plugin']['authad']['real_primarygroup'] = 1; 25 * $conf['plugin']['authad']['use_ssl'] = 1; 26 * $conf['plugin']['authad']['use_tls'] = 1; 27 * $conf['plugin']['authad']['debug'] = 1; 28 * // warn user about expiring password this many days in advance: 29 * $conf['plugin']['authad']['expirywarn'] = 5; 30 * 31 * // get additional information to the userinfo array 32 * // add a list of comma separated ldap contact fields. 33 * $conf['plugin']['authad']['additional'] = 'field1,field2'; 34 * 35 * @license GPL 2 (http://www.gnu.org/licenses/gpl.html) 36 * @author James Van Lommel <jamesvl@gmail.com> 37 * @link http://www.nosq.com/blog/2005/08/ldap-activedirectory-and-dokuwiki/ 38 * @author Andreas Gohr <andi@splitbrain.org> 39 * @author Jan Schumann <js@schumann-it.com> 40 */ 41class auth_plugin_authad extends DokuWiki_Auth_Plugin 42{ 43 44 /** 45 * @var array hold connection data for a specific AD domain 46 */ 47 protected $opts = array(); 48 49 /** 50 * @var array open connections for each AD domain, as adLDAP objects 51 */ 52 protected $adldap = array(); 53 54 /** 55 * @var bool message state 56 */ 57 protected $msgshown = false; 58 59 /** 60 * @var array user listing cache 61 */ 62 protected $users = array(); 63 64 /** 65 * @var array filter patterns for listing users 66 */ 67 protected $pattern = array(); 68 69 protected $grpsusers = array(); 70 71 /** 72 * Constructor 73 */ 74 public function __construct() 75 { 76 global $INPUT; 77 parent::__construct(); 78 79 require_once(DOKU_PLUGIN.'authad/adLDAP/adLDAP.php'); 80 require_once(DOKU_PLUGIN.'authad/adLDAP/classes/adLDAPUtils.php'); 81 82 // we load the config early to modify it a bit here 83 $this->loadConfig(); 84 85 // additional information fields 86 if (isset($this->conf['additional'])) { 87 $this->conf['additional'] = str_replace(' ', '', $this->conf['additional']); 88 $this->conf['additional'] = explode(',', $this->conf['additional']); 89 } else $this->conf['additional'] = array(); 90 91 // ldap extension is needed 92 if (!function_exists('ldap_connect')) { 93 if ($this->conf['debug']) 94 msg("AD Auth: PHP LDAP extension not found.", -1); 95 $this->success = false; 96 return; 97 } 98 99 // Prepare SSO 100 if (!empty($INPUT->server->str('REMOTE_USER'))) { 101 // make sure the right encoding is used 102 if ($this->getConf('sso_charset')) { 103 $INPUT->server->set('REMOTE_USER', iconv($this->getConf('sso_charset'), 'UTF-8', $INPUT->server->str('REMOTE_USER'))); 104 } elseif (!\dokuwiki\Utf8\Clean::isUtf8($INPUT->server->str('REMOTE_USER'))) { 105 $INPUT->server->set('REMOTE_USER', utf8_encode($INPUT->server->str('REMOTE_USER'))); 106 } 107 108 // trust the incoming user 109 if ($this->conf['sso']) { 110 $INPUT->server->set('REMOTE_USER', $this->cleanUser($INPUT->server->str('REMOTE_USER'))); 111 112 // we need to simulate a login 113 if (empty($_COOKIE[DOKU_COOKIE])) { 114 $INPUT->set('u', $INPUT->server->str('REMOTE_USER')); 115 $INPUT->set('p', 'sso_only'); 116 } 117 } 118 } 119 120 // other can do's are changed in $this->_loadServerConfig() base on domain setup 121 $this->cando['modName'] = (bool)$this->conf['update_name']; 122 $this->cando['modMail'] = (bool)$this->conf['update_mail']; 123 $this->cando['getUserCount'] = true; 124 } 125 126 /** 127 * Load domain config on capability check 128 * 129 * @param string $cap 130 * @return bool 131 */ 132 public function canDo($cap) 133 { 134 global $INPUT; 135 //capabilities depend on config, which may change depending on domain 136 $domain = $this->getUserDomain($INPUT->server->str('REMOTE_USER')); 137 $this->loadServerConfig($domain); 138 return parent::canDo($cap); 139 } 140 141 /** 142 * Check user+password [required auth function] 143 * 144 * Checks if the given user exists and the given 145 * plaintext password is correct by trying to bind 146 * to the LDAP server 147 * 148 * @author James Van Lommel <james@nosq.com> 149 * @param string $user 150 * @param string $pass 151 * @return bool 152 */ 153 public function checkPass($user, $pass) 154 { 155 global $INPUT; 156 if ($INPUT->server->str('REMOTE_USER') == $user && 157 $this->conf['sso'] 158 ) return true; 159 160 $adldap = $this->initAdLdap($this->getUserDomain($user)); 161 if (!$adldap) return false; 162 163 try { 164 return $adldap->authenticate($this->getUserName($user), $pass); 165 } catch (adLDAPException $e) { 166 // shouldn't really happen 167 return false; 168 } 169 } 170 171 /** 172 * Return user info [required auth function] 173 * 174 * Returns info about the given user needs to contain 175 * at least these fields: 176 * 177 * name string full name of the user 178 * mail string email address of the user 179 * grps array list of groups the user is in 180 * 181 * This AD specific function returns the following 182 * addional fields: 183 * 184 * dn string distinguished name (DN) 185 * uid string samaccountname 186 * lastpwd int timestamp of the date when the password was set 187 * expires true if the password expires 188 * expiresin int seconds until the password expires 189 * any fields specified in the 'additional' config option 190 * 191 * @author James Van Lommel <james@nosq.com> 192 * @param string $user 193 * @param bool $requireGroups (optional) - ignored, groups are always supplied by this plugin 194 * @return array 195 */ 196 public function getUserData($user, $requireGroups = true) 197 { 198 global $conf; 199 global $lang; 200 global $ID; 201 global $INPUT; 202 $adldap = $this->initAdLdap($this->getUserDomain($user)); 203 if (!$adldap) return array(); 204 205 if ($user == '') return array(); 206 207 $fields = array('mail', 'displayname', 'samaccountname', 'lastpwd', 'pwdlastset', 'useraccountcontrol'); 208 209 // add additional fields to read 210 $fields = array_merge($fields, $this->conf['additional']); 211 $fields = array_unique($fields); 212 $fields = array_filter($fields); 213 214 //get info for given user 215 $result = $adldap->user()->info($this->getUserName($user), $fields); 216 if ($result == false) { 217 return array(); 218 } 219 220 //general user info 221 $info = array(); 222 $info['name'] = $result[0]['displayname'][0]; 223 $info['mail'] = $result[0]['mail'][0]; 224 $info['uid'] = $result[0]['samaccountname'][0]; 225 $info['dn'] = $result[0]['dn']; 226 //last password set (Windows counts from January 1st 1601) 227 $info['lastpwd'] = $result[0]['pwdlastset'][0] / 10000000 - 11644473600; 228 //will it expire? 229 $info['expires'] = !($result[0]['useraccountcontrol'][0] & 0x10000); //ADS_UF_DONT_EXPIRE_PASSWD 230 231 // additional information 232 foreach ($this->conf['additional'] as $field) { 233 if (isset($result[0][strtolower($field)])) { 234 $info[$field] = $result[0][strtolower($field)][0]; 235 } 236 } 237 238 // handle ActiveDirectory memberOf 239 $info['grps'] = $adldap->user()->groups($this->getUserName($user), (bool) $this->opts['recursive_groups']); 240 241 if (is_array($info['grps'])) { 242 foreach ($info['grps'] as $ndx => $group) { 243 $info['grps'][$ndx] = $this->cleanGroup($group); 244 } 245 } 246 247 // always add the default group to the list of groups 248 if (!is_array($info['grps']) || !in_array($conf['defaultgroup'], $info['grps'])) { 249 $info['grps'][] = $conf['defaultgroup']; 250 } 251 252 // add the user's domain to the groups 253 $domain = $this->getUserDomain($user); 254 if ($domain && !in_array("domain-$domain", (array) $info['grps'])) { 255 $info['grps'][] = $this->cleanGroup("domain-$domain"); 256 } 257 258 // check expiry time 259 if ($info['expires'] && $this->conf['expirywarn']) { 260 try { 261 $expiry = $adldap->user()->passwordExpiry($user); 262 if (is_array($expiry)) { 263 $info['expiresat'] = $expiry['expiryts']; 264 $info['expiresin'] = round(($info['expiresat'] - time())/(24*60*60)); 265 266 // if this is the current user, warn him (once per request only) 267 if (($INPUT->server->str('REMOTE_USER') == $user) && 268 ($info['expiresin'] <= $this->conf['expirywarn']) && 269 !$this->msgshown 270 ) { 271 $msg = sprintf($this->getLang('authpwdexpire'), $info['expiresin']); 272 if ($this->canDo('modPass')) { 273 $url = wl($ID, array('do'=> 'profile')); 274 $msg .= ' <a href="'.$url.'">'.$lang['btn_profile'].'</a>'; 275 } 276 msg($msg); 277 $this->msgshown = true; 278 } 279 } 280 } catch (adLDAPException $e) { 281 // ignore. should usually not happen 282 } 283 } 284 285 return $info; 286 } 287 288 /** 289 * Make AD group names usable by DokuWiki. 290 * 291 * Removes backslashes ('\'), pound signs ('#'), and converts spaces to underscores. 292 * 293 * @author James Van Lommel (jamesvl@gmail.com) 294 * @param string $group 295 * @return string 296 */ 297 public function cleanGroup($group) 298 { 299 $group = str_replace('\\', '', $group); 300 $group = str_replace('#', '', $group); 301 $group = preg_replace('[\s]', '_', $group); 302 $group = \dokuwiki\Utf8\PhpString::strtolower(trim($group)); 303 return $group; 304 } 305 306 /** 307 * Sanitize user names 308 * 309 * Normalizes domain parts, does not modify the user name itself (unlike cleanGroup) 310 * 311 * @author Andreas Gohr <gohr@cosmocode.de> 312 * @param string $user 313 * @return string 314 */ 315 public function cleanUser($user) 316 { 317 $domain = ''; 318 319 // get NTLM or Kerberos domain part 320 list($dom, $user) = array_pad(explode('\\', $user, 2), 2, ''); 321 if (!$user) $user = $dom; 322 if ($dom) $domain = $dom; 323 list($user, $dom) = array_pad(explode('@', $user, 2), 2, ''); 324 if ($dom) $domain = $dom; 325 326 // clean up both 327 $domain = \dokuwiki\Utf8\PhpString::strtolower(trim($domain)); 328 $user = \dokuwiki\Utf8\PhpString::strtolower(trim($user)); 329 330 // is this a known, valid domain or do we work without account suffix? if not discard 331 if ((!isset($this->conf[$domain]) || !is_array($this->conf[$domain])) && 332 $this->conf['account_suffix'] !== '') { 333 $domain = ''; 334 } 335 336 // reattach domain 337 if ($domain) $user = "$user@$domain"; 338 return $user; 339 } 340 341 /** 342 * Most values in LDAP are case-insensitive 343 * 344 * @return bool 345 */ 346 public function isCaseSensitive() 347 { 348 return false; 349 } 350 351 /** 352 * Create a Search-String useable by adLDAPUsers::all($includeDescription = false, $search = "*", $sorted = true) 353 * 354 * @param array $filter 355 * @return string 356 */ 357 protected function constructSearchString($filter) 358 { 359 if (!$filter) { 360 return '*'; 361 } 362 $adldapUtils = new adLDAPUtils($this->initAdLdap(null)); 363 $result = '*'; 364 if (isset($filter['name'])) { 365 $result .= ')(displayname=*' . $adldapUtils->ldapSlashes($filter['name']) . '*'; 366 unset($filter['name']); 367 } 368 369 if (isset($filter['user'])) { 370 $result .= ')(samAccountName=*' . $adldapUtils->ldapSlashes($filter['user']) . '*'; 371 unset($filter['user']); 372 } 373 374 if (isset($filter['mail'])) { 375 $result .= ')(mail=*' . $adldapUtils->ldapSlashes($filter['mail']) . '*'; 376 unset($filter['mail']); 377 } 378 return $result; 379 } 380 381 /** 382 * Return a count of the number of user which meet $filter criteria 383 * 384 * @param array $filter $filter array of field/pattern pairs, empty array for no filter 385 * @return int number of users 386 */ 387 public function getUserCount($filter = array()) 388 { 389 $adldap = $this->initAdLdap(null); 390 if (!$adldap) { 391 Logger::debug("authad/auth.php getUserCount(): _adldap not set."); 392 return -1; 393 } 394 if ($filter == array()) { 395 $result = $adldap->user()->all(); 396 } else { 397 $searchString = $this->constructSearchString($filter); 398 $result = $adldap->user()->all(false, $searchString); 399 if (isset($filter['grps'])) { 400 $this->users = array_fill_keys($result, false); 401 /** @var admin_plugin_usermanager $usermanager */ 402 $usermanager = plugin_load("admin", "usermanager", false); 403 $usermanager->setLastdisabled(true); 404 if (!isset($this->grpsusers[$this->filterToString($filter)])) { 405 $this->fillGroupUserArray($filter, $usermanager->getStart() + 3*$usermanager->getPagesize()); 406 } elseif (count($this->grpsusers[$this->filterToString($filter)]) < 407 $usermanager->getStart() + 3*$usermanager->getPagesize() 408 ) { 409 $this->fillGroupUserArray( 410 $filter, 411 $usermanager->getStart() + 412 3*$usermanager->getPagesize() - 413 count($this->grpsusers[$this->filterToString($filter)]) 414 ); 415 } 416 $result = $this->grpsusers[$this->filterToString($filter)]; 417 } else { 418 /** @var admin_plugin_usermanager $usermanager */ 419 $usermanager = plugin_load("admin", "usermanager", false); 420 $usermanager->setLastdisabled(false); 421 } 422 } 423 424 if (!$result) { 425 return 0; 426 } 427 return count($result); 428 } 429 430 /** 431 * 432 * create a unique string for each filter used with a group 433 * 434 * @param array $filter 435 * @return string 436 */ 437 protected function filterToString($filter) 438 { 439 $result = ''; 440 if (isset($filter['user'])) { 441 $result .= 'user-' . $filter['user']; 442 } 443 if (isset($filter['name'])) { 444 $result .= 'name-' . $filter['name']; 445 } 446 if (isset($filter['mail'])) { 447 $result .= 'mail-' . $filter['mail']; 448 } 449 if (isset($filter['grps'])) { 450 $result .= 'grps-' . $filter['grps']; 451 } 452 return $result; 453 } 454 455 /** 456 * Create an array of $numberOfAdds users passing a certain $filter, including belonging 457 * to a certain group and save them to a object-wide array. If the array 458 * already exists try to add $numberOfAdds further users to it. 459 * 460 * @param array $filter 461 * @param int $numberOfAdds additional number of users requested 462 * @return int number of Users actually add to Array 463 */ 464 protected function fillGroupUserArray($filter, $numberOfAdds) 465 { 466 if (isset($this->grpsusers[$this->filterToString($filter)])) { 467 $actualstart = count($this->grpsusers[$this->filterToString($filter)]); 468 } else { 469 $this->grpsusers[$this->filterToString($filter)] = []; 470 $actualstart = 0; 471 } 472 473 $i=0; 474 $count = 0; 475 $this->constructPattern($filter); 476 foreach ($this->users as $user => &$info) { 477 if ($i++ < $actualstart) { 478 continue; 479 } 480 if ($info === false) { 481 $info = $this->getUserData($user); 482 } 483 if ($this->filter($user, $info)) { 484 $this->grpsusers[$this->filterToString($filter)][$user] = $info; 485 if (($numberOfAdds > 0) && (++$count >= $numberOfAdds)) break; 486 } 487 } 488 return $count; 489 } 490 491 /** 492 * Bulk retrieval of user data 493 * 494 * @author Dominik Eckelmann <dokuwiki@cosmocode.de> 495 * 496 * @param int $start index of first user to be returned 497 * @param int $limit max number of users to be returned 498 * @param array $filter array of field/pattern pairs, null for no filter 499 * @return array userinfo (refer getUserData for internal userinfo details) 500 */ 501 public function retrieveUsers($start = 0, $limit = 0, $filter = array()) 502 { 503 $adldap = $this->initAdLdap(null); 504 if (!$adldap) return array(); 505 506 //if (!$this->users) { 507 //get info for given user 508 $result = $adldap->user()->all(false, $this->constructSearchString($filter)); 509 if (!$result) return array(); 510 $this->users = array_fill_keys($result, false); 511 //} 512 513 $i = 0; 514 $count = 0; 515 $result = array(); 516 517 if (!isset($filter['grps'])) { 518 /** @var admin_plugin_usermanager $usermanager */ 519 $usermanager = plugin_load("admin", "usermanager", false); 520 $usermanager->setLastdisabled(false); 521 $this->constructPattern($filter); 522 foreach ($this->users as $user => &$info) { 523 if ($i++ < $start) { 524 continue; 525 } 526 if ($info === false) { 527 $info = $this->getUserData($user); 528 } 529 $result[$user] = $info; 530 if (($limit > 0) && (++$count >= $limit)) break; 531 } 532 } else { 533 /** @var admin_plugin_usermanager $usermanager */ 534 $usermanager = plugin_load("admin", "usermanager", false); 535 $usermanager->setLastdisabled(true); 536 if (!isset($this->grpsusers[$this->filterToString($filter)]) || 537 count($this->grpsusers[$this->filterToString($filter)]) < ($start+$limit) 538 ) { 539 if(!isset($this->grpsusers[$this->filterToString($filter)])) { 540 $this->grpsusers[$this->filterToString($filter)] = []; 541 } 542 543 $this->fillGroupUserArray( 544 $filter, 545 $start+$limit - count($this->grpsusers[$this->filterToString($filter)]) +1 546 ); 547 } 548 if (!$this->grpsusers[$this->filterToString($filter)]) return array(); 549 foreach ($this->grpsusers[$this->filterToString($filter)] as $user => &$info) { 550 if ($i++ < $start) { 551 continue; 552 } 553 $result[$user] = $info; 554 if (($limit > 0) && (++$count >= $limit)) break; 555 } 556 } 557 return $result; 558 } 559 560 /** 561 * Modify user data 562 * 563 * @param string $user nick of the user to be changed 564 * @param array $changes array of field/value pairs to be changed 565 * @return bool 566 */ 567 public function modifyUser($user, $changes) 568 { 569 $return = true; 570 $adldap = $this->initAdLdap($this->getUserDomain($user)); 571 if (!$adldap) { 572 msg($this->getLang('connectfail'), -1); 573 return false; 574 } 575 576 // password changing 577 if (isset($changes['pass'])) { 578 try { 579 $return = $adldap->user()->password($this->getUserName($user), $changes['pass']); 580 } catch (adLDAPException $e) { 581 if ($this->conf['debug']) msg('AD Auth: '.$e->getMessage(), -1); 582 $return = false; 583 } 584 if (!$return) msg($this->getLang('passchangefail'), -1); 585 } 586 587 // changing user data 588 $adchanges = array(); 589 if (isset($changes['name'])) { 590 // get first and last name 591 $parts = explode(' ', $changes['name']); 592 $adchanges['surname'] = array_pop($parts); 593 $adchanges['firstname'] = join(' ', $parts); 594 $adchanges['display_name'] = $changes['name']; 595 } 596 if (isset($changes['mail'])) { 597 $adchanges['email'] = $changes['mail']; 598 } 599 if (count($adchanges)) { 600 try { 601 $return = $return & $adldap->user()->modify($this->getUserName($user), $adchanges); 602 } catch (adLDAPException $e) { 603 if ($this->conf['debug']) msg('AD Auth: '.$e->getMessage(), -1); 604 $return = false; 605 } 606 if (!$return) msg($this->getLang('userchangefail'), -1); 607 } 608 609 return $return; 610 } 611 612 /** 613 * Initialize the AdLDAP library and connect to the server 614 * 615 * When you pass null as domain, it will reuse any existing domain. 616 * Eg. the one of the logged in user. It falls back to the default 617 * domain if no current one is available. 618 * 619 * @param string|null $domain The AD domain to use 620 * @return adLDAP|bool true if a connection was established 621 */ 622 protected function initAdLdap($domain) 623 { 624 if (is_null($domain) && is_array($this->opts)) { 625 $domain = $this->opts['domain']; 626 } 627 628 $this->opts = $this->loadServerConfig((string) $domain); 629 if (isset($this->adldap[$domain])) return $this->adldap[$domain]; 630 631 // connect 632 try { 633 $this->adldap[$domain] = new adLDAP($this->opts); 634 return $this->adldap[$domain]; 635 } catch (Exception $e) { 636 if ($this->conf['debug']) { 637 msg('AD Auth: '.$e->getMessage(), -1); 638 } 639 $this->success = false; 640 $this->adldap[$domain] = null; 641 } 642 return false; 643 } 644 645 /** 646 * Get the domain part from a user 647 * 648 * @param string $user 649 * @return string 650 */ 651 public function getUserDomain($user) 652 { 653 list(, $domain) = array_pad(explode('@', $user, 2), 2, ''); 654 return $domain; 655 } 656 657 /** 658 * Get the user part from a user 659 * 660 * When an account suffix is set, we strip the domain part from the user 661 * 662 * @param string $user 663 * @return string 664 */ 665 public function getUserName($user) 666 { 667 if ($this->conf['account_suffix'] !== '') { 668 list($user) = explode('@', $user, 2); 669 } 670 return $user; 671 } 672 673 /** 674 * Fetch the configuration for the given AD domain 675 * 676 * @param string $domain current AD domain 677 * @return array 678 */ 679 protected function loadServerConfig($domain) 680 { 681 // prepare adLDAP standard configuration 682 $opts = $this->conf; 683 684 $opts['domain'] = $domain; 685 686 // add possible domain specific configuration 687 if ($domain && is_array($this->conf[$domain])) foreach ($this->conf[$domain] as $key => $val) { 688 $opts[$key] = $val; 689 } 690 691 // handle multiple AD servers 692 $opts['domain_controllers'] = explode(',', $opts['domain_controllers']); 693 $opts['domain_controllers'] = array_map('trim', $opts['domain_controllers']); 694 $opts['domain_controllers'] = array_filter($opts['domain_controllers']); 695 696 // compatibility with old option name 697 if (empty($opts['admin_username']) && !empty($opts['ad_username'])) { 698 $opts['admin_username'] = $opts['ad_username']; 699 } 700 if (empty($opts['admin_password']) && !empty($opts['ad_password'])) { 701 $opts['admin_password'] = $opts['ad_password']; 702 } 703 $opts['admin_password'] = conf_decodeString($opts['admin_password']); // deobfuscate 704 705 // we can change the password if SSL is set 706 if ($opts['update_pass'] && ($opts['use_ssl'] || $opts['use_tls'])) { 707 $this->cando['modPass'] = true; 708 } else { 709 $this->cando['modPass'] = false; 710 } 711 712 // adLDAP expects empty user/pass as NULL, we're less strict FS#2781 713 if (empty($opts['admin_username'])) $opts['admin_username'] = null; 714 if (empty($opts['admin_password'])) $opts['admin_password'] = null; 715 716 // user listing needs admin priviledges 717 if (!empty($opts['admin_username']) && !empty($opts['admin_password'])) { 718 $this->cando['getUsers'] = true; 719 } else { 720 $this->cando['getUsers'] = false; 721 } 722 723 return $opts; 724 } 725 726 /** 727 * Returns a list of configured domains 728 * 729 * The default domain has an empty string as key 730 * 731 * @return array associative array(key => domain) 732 */ 733 public function getConfiguredDomains() 734 { 735 $domains = array(); 736 if (empty($this->conf['account_suffix'])) return $domains; // not configured yet 737 738 // add default domain, using the name from account suffix 739 $domains[''] = ltrim($this->conf['account_suffix'], '@'); 740 741 // find additional domains 742 foreach ($this->conf as $key => $val) { 743 if (is_array($val) && isset($val['account_suffix'])) { 744 $domains[$key] = ltrim($val['account_suffix'], '@'); 745 } 746 } 747 Sort::ksort($domains); 748 749 return $domains; 750 } 751 752 /** 753 * Check provided user and userinfo for matching patterns 754 * 755 * The patterns are set up with $this->_constructPattern() 756 * 757 * @author Chris Smith <chris@jalakai.co.uk> 758 * 759 * @param string $user 760 * @param array $info 761 * @return bool 762 */ 763 protected function filter($user, $info) 764 { 765 foreach ($this->pattern as $item => $pattern) { 766 if ($item == 'user') { 767 if (!preg_match($pattern, $user)) return false; 768 } elseif ($item == 'grps') { 769 if (!count(preg_grep($pattern, $info['grps']))) return false; 770 } else { 771 if (!preg_match($pattern, $info[$item])) return false; 772 } 773 } 774 return true; 775 } 776 777 /** 778 * Create a pattern for $this->_filter() 779 * 780 * @author Chris Smith <chris@jalakai.co.uk> 781 * 782 * @param array $filter 783 */ 784 protected function constructPattern($filter) 785 { 786 $this->pattern = array(); 787 foreach ($filter as $item => $pattern) { 788 $this->pattern[$item] = '/'.str_replace('/', '\/', $pattern).'/i'; // allow regex characters 789 } 790 } 791} 792