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