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