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PHP Cross Reference of DokuWiki |
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1 <?php 2 use dokuwiki\Utf8\Sort; 3 use 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 */ 41 class 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) = explode('\\', $user, 2); 319 if (!$user) $user = $dom; 320 if ($dom) $domain = $dom; 321 list($user, $dom) = explode('@', $user, 2); 322 if ($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 (!is_array($this->conf[$domain]) && $this->conf['account_suffix'] !== '') { 330 $domain = ''; 331 } 332 333 // reattach domain 334 if ($domain) $user = "$user@$domain"; 335 return $user; 336 } 337 338 /** 339 * Most values in LDAP are case-insensitive 340 * 341 * @return bool 342 */ 343 public function isCaseSensitive() 344 { 345 return false; 346 } 347 348 /** 349 * Create a Search-String useable by adLDAPUsers::all($includeDescription = false, $search = "*", $sorted = true) 350 * 351 * @param array $filter 352 * @return string 353 */ 354 protected function constructSearchString($filter) 355 { 356 if (!$filter) { 357 return '*'; 358 } 359 $adldapUtils = new adLDAPUtils($this->initAdLdap(null)); 360 $result = '*'; 361 if (isset($filter['name'])) { 362 $result .= ')(displayname=*' . $adldapUtils->ldapSlashes($filter['name']) . '*'; 363 unset($filter['name']); 364 } 365 366 if (isset($filter['user'])) { 367 $result .= ')(samAccountName=*' . $adldapUtils->ldapSlashes($filter['user']) . '*'; 368 unset($filter['user']); 369 } 370 371 if (isset($filter['mail'])) { 372 $result .= ')(mail=*' . $adldapUtils->ldapSlashes($filter['mail']) . '*'; 373 unset($filter['mail']); 374 } 375 return $result; 376 } 377 378 /** 379 * Return a count of the number of user which meet $filter criteria 380 * 381 * @param array $filter $filter array of field/pattern pairs, empty array for no filter 382 * @return int number of users 383 */ 384 public function getUserCount($filter = array()) 385 { 386 $adldap = $this->initAdLdap(null); 387 if (!$adldap) { 388 Logger::debug("authad/auth.php getUserCount(): _adldap not set."); 389 return -1; 390 } 391 if ($filter == array()) { 392 $result = $adldap->user()->all(); 393 } else { 394 $searchString = $this->constructSearchString($filter); 395 $result = $adldap->user()->all(false, $searchString); 396 if (isset($filter['grps'])) { 397 $this->users = array_fill_keys($result, false); 398 /** @var admin_plugin_usermanager $usermanager */ 399 $usermanager = plugin_load("admin", "usermanager", false); 400 $usermanager->setLastdisabled(true); 401 if (!isset($this->grpsusers[$this->filterToString($filter)])) { 402 $this->fillGroupUserArray($filter, $usermanager->getStart() + 3*$usermanager->getPagesize()); 403 } elseif (count($this->grpsusers[$this->filterToString($filter)]) < 404 $usermanager->getStart() + 3*$usermanager->getPagesize() 405 ) { 406 $this->fillGroupUserArray( 407 $filter, 408 $usermanager->getStart() + 409 3*$usermanager->getPagesize() - 410 count($this->grpsusers[$this->filterToString($filter)]) 411 ); 412 } 413 $result = $this->grpsusers[$this->filterToString($filter)]; 414 } else { 415 /** @var admin_plugin_usermanager $usermanager */ 416 $usermanager = plugin_load("admin", "usermanager", false); 417 $usermanager->setLastdisabled(false); 418 } 419 } 420 421 if (!$result) { 422 return 0; 423 } 424 return count($result); 425 } 426 427 /** 428 * 429 * create a unique string for each filter used with a group 430 * 431 * @param array $filter 432 * @return string 433 */ 434 protected function filterToString($filter) 435 { 436 $result = ''; 437 if (isset($filter['user'])) { 438 $result .= 'user-' . $filter['user']; 439 } 440 if (isset($filter['name'])) { 441 $result .= 'name-' . $filter['name']; 442 } 443 if (isset($filter['mail'])) { 444 $result .= 'mail-' . $filter['mail']; 445 } 446 if (isset($filter['grps'])) { 447 $result .= 'grps-' . $filter['grps']; 448 } 449 return $result; 450 } 451 452 /** 453 * Create an array of $numberOfAdds users passing a certain $filter, including belonging 454 * to a certain group and save them to a object-wide array. If the array 455 * already exists try to add $numberOfAdds further users to it. 456 * 457 * @param array $filter 458 * @param int $numberOfAdds additional number of users requested 459 * @return int number of Users actually add to Array 460 */ 461 protected function fillGroupUserArray($filter, $numberOfAdds) 462 { 463 if (isset($this->grpsusers[$this->filterToString($filter)])) { 464 $actualstart = count($this->grpsusers[$this->filterToString($filter)]); 465 } else { 466 $this->grpsusers[$this->filterToString($filter)] = []; 467 $actualstart = 0; 468 } 469 470 $i=0; 471 $count = 0; 472 $this->constructPattern($filter); 473 foreach ($this->users as $user => &$info) { 474 if ($i++ < $actualstart) { 475 continue; 476 } 477 if ($info === false) { 478 $info = $this->getUserData($user); 479 } 480 if ($this->filter($user, $info)) { 481 $this->grpsusers[$this->filterToString($filter)][$user] = $info; 482 if (($numberOfAdds > 0) && (++$count >= $numberOfAdds)) break; 483 } 484 } 485 return $count; 486 } 487 488 /** 489 * Bulk retrieval of user data 490 * 491 * @author Dominik Eckelmann <dokuwiki@cosmocode.de> 492 * 493 * @param int $start index of first user to be returned 494 * @param int $limit max number of users to be returned 495 * @param array $filter array of field/pattern pairs, null for no filter 496 * @return array userinfo (refer getUserData for internal userinfo details) 497 */ 498 public function retrieveUsers($start = 0, $limit = 0, $filter = array()) 499 { 500 $adldap = $this->initAdLdap(null); 501 if (!$adldap) return array(); 502 503 //if (!$this->users) { 504 //get info for given user 505 $result = $adldap->user()->all(false, $this->constructSearchString($filter)); 506 if (!$result) return array(); 507 $this->users = array_fill_keys($result, false); 508 //} 509 510 $i = 0; 511 $count = 0; 512 $result = array(); 513 514 if (!isset($filter['grps'])) { 515 /** @var admin_plugin_usermanager $usermanager */ 516 $usermanager = plugin_load("admin", "usermanager", false); 517 $usermanager->setLastdisabled(false); 518 $this->constructPattern($filter); 519 foreach ($this->users as $user => &$info) { 520 if ($i++ < $start) { 521 continue; 522 } 523 if ($info === false) { 524 $info = $this->getUserData($user); 525 } 526 $result[$user] = $info; 527 if (($limit > 0) && (++$count >= $limit)) break; 528 } 529 } else { 530 /** @var admin_plugin_usermanager $usermanager */ 531 $usermanager = plugin_load("admin", "usermanager", false); 532 $usermanager->setLastdisabled(true); 533 if (!isset($this->grpsusers[$this->filterToString($filter)]) || 534 count($this->grpsusers[$this->filterToString($filter)]) < ($start+$limit) 535 ) { 536 if(!isset($this->grpsusers[$this->filterToString($filter)])) { 537 $this->grpsusers[$this->filterToString($filter)] = []; 538 } 539 540 $this->fillGroupUserArray( 541 $filter, 542 $start+$limit - count($this->grpsusers[$this->filterToString($filter)]) +1 543 ); 544 } 545 if (!$this->grpsusers[$this->filterToString($filter)]) return array(); 546 foreach ($this->grpsusers[$this->filterToString($filter)] as $user => &$info) { 547 if ($i++ < $start) { 548 continue; 549 } 550 $result[$user] = $info; 551 if (($limit > 0) && (++$count >= $limit)) break; 552 } 553 } 554 return $result; 555 } 556 557 /** 558 * Modify user data 559 * 560 * @param string $user nick of the user to be changed 561 * @param array $changes array of field/value pairs to be changed 562 * @return bool 563 */ 564 public function modifyUser($user, $changes) 565 { 566 $return = true; 567 $adldap = $this->initAdLdap($this->getUserDomain($user)); 568 if (!$adldap) { 569 msg($this->getLang('connectfail'), -1); 570 return false; 571 } 572 573 // password changing 574 if (isset($changes['pass'])) { 575 try { 576 $return = $adldap->user()->password($this->getUserName($user), $changes['pass']); 577 } catch (adLDAPException $e) { 578 if ($this->conf['debug']) msg('AD Auth: '.$e->getMessage(), -1); 579 $return = false; 580 } 581 if (!$return) msg($this->getLang('passchangefail'), -1); 582 } 583 584 // changing user data 585 $adchanges = array(); 586 if (isset($changes['name'])) { 587 // get first and last name 588 $parts = explode(' ', $changes['name']); 589 $adchanges['surname'] = array_pop($parts); 590 $adchanges['firstname'] = join(' ', $parts); 591 $adchanges['display_name'] = $changes['name']; 592 } 593 if (isset($changes['mail'])) { 594 $adchanges['email'] = $changes['mail']; 595 } 596 if (count($adchanges)) { 597 try { 598 $return = $return & $adldap->user()->modify($this->getUserName($user), $adchanges); 599 } catch (adLDAPException $e) { 600 if ($this->conf['debug']) msg('AD Auth: '.$e->getMessage(), -1); 601 $return = false; 602 } 603 if (!$return) msg($this->getLang('userchangefail'), -1); 604 } 605 606 return $return; 607 } 608 609 /** 610 * Initialize the AdLDAP library and connect to the server 611 * 612 * When you pass null as domain, it will reuse any existing domain. 613 * Eg. the one of the logged in user. It falls back to the default 614 * domain if no current one is available. 615 * 616 * @param string|null $domain The AD domain to use 617 * @return adLDAP|bool true if a connection was established 618 */ 619 protected function initAdLdap($domain) 620 { 621 if (is_null($domain) && is_array($this->opts)) { 622 $domain = $this->opts['domain']; 623 } 624 625 $this->opts = $this->loadServerConfig((string) $domain); 626 if (isset($this->adldap[$domain])) return $this->adldap[$domain]; 627 628 // connect 629 try { 630 $this->adldap[$domain] = new adLDAP($this->opts); 631 return $this->adldap[$domain]; 632 } catch (Exception $e) { 633 if ($this->conf['debug']) { 634 msg('AD Auth: '.$e->getMessage(), -1); 635 } 636 $this->success = false; 637 $this->adldap[$domain] = null; 638 } 639 return false; 640 } 641 642 /** 643 * Get the domain part from a user 644 * 645 * @param string $user 646 * @return string 647 */ 648 public function getUserDomain($user) 649 { 650 list(, $domain) = explode('@', $user, 2); 651 return $domain; 652 } 653 654 /** 655 * Get the user part from a user 656 * 657 * When an account suffix is set, we strip the domain part from the user 658 * 659 * @param string $user 660 * @return string 661 */ 662 public function getUserName($user) 663 { 664 if ($this->conf['account_suffix'] !== '') { 665 list($user) = explode('@', $user, 2); 666 } 667 return $user; 668 } 669 670 /** 671 * Fetch the configuration for the given AD domain 672 * 673 * @param string $domain current AD domain 674 * @return array 675 */ 676 protected function loadServerConfig($domain) 677 { 678 // prepare adLDAP standard configuration 679 $opts = $this->conf; 680 681 $opts['domain'] = $domain; 682 683 // add possible domain specific configuration 684 if ($domain && is_array($this->conf[$domain])) foreach ($this->conf[$domain] as $key => $val) { 685 $opts[$key] = $val; 686 } 687 688 // handle multiple AD servers 689 $opts['domain_controllers'] = explode(',', $opts['domain_controllers']); 690 $opts['domain_controllers'] = array_map('trim', $opts['domain_controllers']); 691 $opts['domain_controllers'] = array_filter($opts['domain_controllers']); 692 693 // compatibility with old option name 694 if (empty($opts['admin_username']) && !empty($opts['ad_username'])) { 695 $opts['admin_username'] = $opts['ad_username']; 696 } 697 if (empty($opts['admin_password']) && !empty($opts['ad_password'])) { 698 $opts['admin_password'] = $opts['ad_password']; 699 } 700 $opts['admin_password'] = conf_decodeString($opts['admin_password']); // deobfuscate 701 702 // we can change the password if SSL is set 703 if ($opts['update_pass'] && ($opts['use_ssl'] || $opts['use_tls'])) { 704 $this->cando['modPass'] = true; 705 } else { 706 $this->cando['modPass'] = false; 707 } 708 709 // adLDAP expects empty user/pass as NULL, we're less strict FS#2781 710 if (empty($opts['admin_username'])) $opts['admin_username'] = null; 711 if (empty($opts['admin_password'])) $opts['admin_password'] = null; 712 713 // user listing needs admin priviledges 714 if (!empty($opts['admin_username']) && !empty($opts['admin_password'])) { 715 $this->cando['getUsers'] = true; 716 } else { 717 $this->cando['getUsers'] = false; 718 } 719 720 return $opts; 721 } 722 723 /** 724 * Returns a list of configured domains 725 * 726 * The default domain has an empty string as key 727 * 728 * @return array associative array(key => domain) 729 */ 730 public function getConfiguredDomains() 731 { 732 $domains = array(); 733 if (empty($this->conf['account_suffix'])) return $domains; // not configured yet 734 735 // add default domain, using the name from account suffix 736 $domains[''] = ltrim($this->conf['account_suffix'], '@'); 737 738 // find additional domains 739 foreach ($this->conf as $key => $val) { 740 if (is_array($val) && isset($val['account_suffix'])) { 741 $domains[$key] = ltrim($val['account_suffix'], '@'); 742 } 743 } 744 Sort::ksort($domains); 745 746 return $domains; 747 } 748 749 /** 750 * Check provided user and userinfo for matching patterns 751 * 752 * The patterns are set up with $this->_constructPattern() 753 * 754 * @author Chris Smith <chris@jalakai.co.uk> 755 * 756 * @param string $user 757 * @param array $info 758 * @return bool 759 */ 760 protected function filter($user, $info) 761 { 762 foreach ($this->pattern as $item => $pattern) { 763 if ($item == 'user') { 764 if (!preg_match($pattern, $user)) return false; 765 } elseif ($item == 'grps') { 766 if (!count(preg_grep($pattern, $info['grps']))) return false; 767 } else { 768 if (!preg_match($pattern, $info[$item])) return false; 769 } 770 } 771 return true; 772 } 773 774 /** 775 * Create a pattern for $this->_filter() 776 * 777 * @author Chris Smith <chris@jalakai.co.uk> 778 * 779 * @param array $filter 780 */ 781 protected function constructPattern($filter) 782 { 783 $this->pattern = array(); 784 foreach ($filter as $item => $pattern) { 785 $this->pattern[$item] = '/'.str_replace('/', '\/', $pattern).'/i'; // allow regex characters 786 } 787 } 788 }
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