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+<?php
+
+/**
+ * Active Directory authentication backend for DokuWiki
+ *
+ * This makes authentication with a Active Directory server much easier
+ * than when using the normal LDAP backend by utilizing the adLDAP library
+ *
+ * Usage:
+ * Set DokuWiki's local.protected.php auth setting to read
+ *
+ * $conf['authtype'] = 'authad';
+ *
+ * $conf['plugin']['authad']['account_suffix'] = '@my.domain.org';
+ * $conf['plugin']['authad']['base_dn'] = 'DC=my,DC=domain,DC=org';
+ * $conf['plugin']['authad']['domain_controllers'] = 'srv1.domain.org,srv2.domain.org';
+ *
+ * //optional:
+ * $conf['plugin']['authad']['sso'] = 1;
+ * $conf['plugin']['authad']['admin_username'] = 'root';
+ * $conf['plugin']['authad']['admin_password'] = 'pass';
+ * $conf['plugin']['authad']['real_primarygroup'] = 1;
+ * $conf['plugin']['authad']['use_ssl'] = 1;
+ * $conf['plugin']['authad']['use_tls'] = 1;
+ * $conf['plugin']['authad']['debug'] = 1;
+ * // warn user about expiring password this many days in advance:
+ * $conf['plugin']['authad']['expirywarn'] = 5;
+ *
+ * // get additional information to the userinfo array
+ * // add a list of comma separated ldap contact fields.
+ * $conf['plugin']['authad']['additional'] = 'field1,field2';
+ *
+ * @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
+ * @author James Van Lommel <jamesvl@gmail.com>
+ * @link http://www.nosq.com/blog/2005/08/ldap-activedirectory-and-dokuwiki/
+ * @author Andreas Gohr <andi@splitbrain.org>
+ * @author Jan Schumann <js@schumann-it.com>
+ */
+class auth_plugin_authad extends DokuWiki_Auth_Plugin
+{
+
+ /**
+ * @var array hold connection data for a specific AD domain
+ */
+ protected $opts = array();
+
+ /**
+ * @var array open connections for each AD domain, as adLDAP objects
+ */
+ protected $adldap = array();
+
+ /**
+ * @var bool message state
+ */
+ protected $msgshown = false;
+
+ /**
+ * @var array user listing cache
+ */
+ protected $users = array();
+
+ /**
+ * @var array filter patterns for listing users
+ */
+ protected $pattern = array();
+
+ protected $grpsusers = array();
+
+ /**
+ * Constructor
+ */
+ public function __construct()
+ {
+ global $INPUT;
+ parent::__construct();
+
+ require_once(DOKU_PLUGIN.'authad/adLDAP/adLDAP.php');
+ require_once(DOKU_PLUGIN.'authad/adLDAP/classes/adLDAPUtils.php');
+
+ // we load the config early to modify it a bit here
+ $this->loadConfig();
+
+ // additional information fields
+ if (isset($this->conf['additional'])) {
+ $this->conf['additional'] = str_replace(' ', '', $this->conf['additional']);
+ $this->conf['additional'] = explode(',', $this->conf['additional']);
+ } else $this->conf['additional'] = array();
+
+ // ldap extension is needed
+ if (!function_exists('ldap_connect')) {
+ if ($this->conf['debug'])
+ msg("AD Auth: PHP LDAP extension not found.", -1);
+ $this->success = false;
+ return;
+ }
+
+ // Prepare SSO
+ if (!empty($_SERVER['REMOTE_USER'])) {
+ // make sure the right encoding is used
+ if ($this->getConf('sso_charset')) {
+ $_SERVER['REMOTE_USER'] = iconv($this->getConf('sso_charset'), 'UTF-8', $_SERVER['REMOTE_USER']);
+ } elseif (!\dokuwiki\Utf8\Clean::isUtf8($_SERVER['REMOTE_USER'])) {
+ $_SERVER['REMOTE_USER'] = utf8_encode($_SERVER['REMOTE_USER']);
+ }
+
+ // trust the incoming user
+ if ($this->conf['sso']) {
+ $_SERVER['REMOTE_USER'] = $this->cleanUser($_SERVER['REMOTE_USER']);
+
+ // we need to simulate a login
+ if (empty($_COOKIE[DOKU_COOKIE])) {
+ $INPUT->set('u', $_SERVER['REMOTE_USER']);
+ $INPUT->set('p', 'sso_only');
+ }
+ }
+ }
+
+ // other can do's are changed in $this->_loadServerConfig() base on domain setup
+ $this->cando['modName'] = (bool)$this->conf['update_name'];
+ $this->cando['modMail'] = (bool)$this->conf['update_mail'];
+ $this->cando['getUserCount'] = true;
+ }
+
+ /**
+ * Load domain config on capability check
+ *
+ * @param string $cap
+ * @return bool
+ */
+ public function canDo($cap)
+ {
+ //capabilities depend on config, which may change depending on domain
+ $domain = $this->getUserDomain($_SERVER['REMOTE_USER']);
+ $this->loadServerConfig($domain);
+ return parent::canDo($cap);
+ }
+
+ /**
+ * Check user+password [required auth function]
+ *
+ * Checks if the given user exists and the given
+ * plaintext password is correct by trying to bind
+ * to the LDAP server
+ *
+ * @author James Van Lommel <james@nosq.com>
+ * @param string $user
+ * @param string $pass
+ * @return bool
+ */
+ public function checkPass($user, $pass)
+ {
+ if ($_SERVER['REMOTE_USER'] &&
+ $_SERVER['REMOTE_USER'] == $user &&
+ $this->conf['sso']
+ ) return true;
+
+ $adldap = $this->initAdLdap($this->getUserDomain($user));
+ if (!$adldap) return false;
+
+ try {
+ return $adldap->authenticate($this->getUserName($user), $pass);
+ } catch (adLDAPException $e) {
+ // shouldn't really happen
+ return false;
+ }
+ }
+
+ /**
+ * Return user info [required auth function]
+ *
+ * Returns info about the given user needs to contain
+ * at least these fields:
+ *
+ * name string full name of the user
+ * mail string email address of the user
+ * grps array list of groups the user is in
+ *
+ * This AD specific function returns the following
+ * addional fields:
+ *
+ * dn string distinguished name (DN)
+ * uid string samaccountname
+ * lastpwd int timestamp of the date when the password was set
+ * expires true if the password expires
+ * expiresin int seconds until the password expires
+ * any fields specified in the 'additional' config option
+ *
+ * @author James Van Lommel <james@nosq.com>
+ * @param string $user
+ * @param bool $requireGroups (optional) - ignored, groups are always supplied by this plugin
+ * @return array
+ */
+ public function getUserData($user, $requireGroups = true)
+ {
+ global $conf;
+ global $lang;
+ global $ID;
+ $adldap = $this->initAdLdap($this->getUserDomain($user));
+ if (!$adldap) return array();
+
+ if ($user == '') return array();
+
+ $fields = array('mail', 'displayname', 'samaccountname', 'lastpwd', 'pwdlastset', 'useraccountcontrol');
+
+ // add additional fields to read
+ $fields = array_merge($fields, $this->conf['additional']);
+ $fields = array_unique($fields);
+ $fields = array_filter($fields);
+
+ //get info for given user
+ $result = $adldap->user()->info($this->getUserName($user), $fields);
+ if ($result == false) {
+ return array();
+ }
+
+ //general user info
+ $info = array();
+ $info['name'] = $result[0]['displayname'][0];
+ $info['mail'] = $result[0]['mail'][0];
+ $info['uid'] = $result[0]['samaccountname'][0];
+ $info['dn'] = $result[0]['dn'];
+ //last password set (Windows counts from January 1st 1601)
+ $info['lastpwd'] = $result[0]['pwdlastset'][0] / 10000000 - 11644473600;
+ //will it expire?
+ $info['expires'] = !($result[0]['useraccountcontrol'][0] & 0x10000); //ADS_UF_DONT_EXPIRE_PASSWD
+
+ // additional information
+ foreach ($this->conf['additional'] as $field) {
+ if (isset($result[0][strtolower($field)])) {
+ $info[$field] = $result[0][strtolower($field)][0];
+ }
+ }
+
+ // handle ActiveDirectory memberOf
+ $info['grps'] = $adldap->user()->groups($this->getUserName($user), (bool) $this->opts['recursive_groups']);
+
+ if (is_array($info['grps'])) {
+ foreach ($info['grps'] as $ndx => $group) {
+ $info['grps'][$ndx] = $this->cleanGroup($group);
+ }
+ }
+
+ // always add the default group to the list of groups
+ if (!is_array($info['grps']) || !in_array($conf['defaultgroup'], $info['grps'])) {
+ $info['grps'][] = $conf['defaultgroup'];
+ }
+
+ // add the user's domain to the groups
+ $domain = $this->getUserDomain($user);
+ if ($domain && !in_array("domain-$domain", (array) $info['grps'])) {
+ $info['grps'][] = $this->cleanGroup("domain-$domain");
+ }
+
+ // check expiry time
+ if ($info['expires'] && $this->conf['expirywarn']) {
+ try {
+ $expiry = $adldap->user()->passwordExpiry($user);
+ if (is_array($expiry)) {
+ $info['expiresat'] = $expiry['expiryts'];
+ $info['expiresin'] = round(($info['expiresat'] - time())/(24*60*60));
+
+ // if this is the current user, warn him (once per request only)
+ if (($_SERVER['REMOTE_USER'] == $user) &&
+ ($info['expiresin'] <= $this->conf['expirywarn']) &&
+ !$this->msgshown
+ ) {
+ $msg = sprintf($this->getLang('authpwdexpire'), $info['expiresin']);
+ if ($this->canDo('modPass')) {
+ $url = wl($ID, array('do'=> 'profile'));
+ $msg .= ' <a href="'.$url.'">'.$lang['btn_profile'].'</a>';
+ }
+ msg($msg);
+ $this->msgshown = true;
+ }
+ }
+ } catch (adLDAPException $e) {
+ // ignore. should usually not happen
+ }
+ }
+
+ return $info;
+ }
+
+ /**
+ * Make AD group names usable by DokuWiki.
+ *
+ * Removes backslashes ('\'), pound signs ('#'), and converts spaces to underscores.
+ *
+ * @author James Van Lommel (jamesvl@gmail.com)
+ * @param string $group
+ * @return string
+ */
+ public function cleanGroup($group)
+ {
+ $group = str_replace('\\', '', $group);
+ $group = str_replace('#', '', $group);
+ $group = preg_replace('[\s]', '_', $group);
+ $group = \dokuwiki\Utf8\PhpString::strtolower(trim($group));
+ return $group;
+ }
+
+ /**
+ * Sanitize user names
+ *
+ * Normalizes domain parts, does not modify the user name itself (unlike cleanGroup)
+ *
+ * @author Andreas Gohr <gohr@cosmocode.de>
+ * @param string $user
+ * @return string
+ */
+ public function cleanUser($user)
+ {
+ $domain = '';
+
+ // get NTLM or Kerberos domain part
+ list($dom, $user) = explode('\\', $user, 2);
+ if (!$user) $user = $dom;
+ if ($dom) $domain = $dom;
+ list($user, $dom) = explode('@', $user, 2);
+ if ($dom) $domain = $dom;
+
+ // clean up both
+ $domain = \dokuwiki\Utf8\PhpString::strtolower(trim($domain));
+ $user = \dokuwiki\Utf8\PhpString::strtolower(trim($user));
+
+ // is this a known, valid domain or do we work without account suffix? if not discard
+ if (!is_array($this->conf[$domain]) && $this->conf['account_suffix'] !== '') {
+ $domain = '';
+ }
+
+ // reattach domain
+ if ($domain) $user = "$user@$domain";
+ return $user;
+ }
+
+ /**
+ * Most values in LDAP are case-insensitive
+ *
+ * @return bool
+ */
+ public function isCaseSensitive()
+ {
+ return false;
+ }
+
+ /**
+ * Create a Search-String useable by adLDAPUsers::all($includeDescription = false, $search = "*", $sorted = true)
+ *
+ * @param array $filter
+ * @return string
+ */
+ protected function constructSearchString($filter)
+ {
+ if (!$filter) {
+ return '*';
+ }
+ $adldapUtils = new adLDAPUtils($this->initAdLdap(null));
+ $result = '*';
+ if (isset($filter['name'])) {
+ $result .= ')(displayname=*' . $adldapUtils->ldapSlashes($filter['name']) . '*';
+ unset($filter['name']);
+ }
+
+ if (isset($filter['user'])) {
+ $result .= ')(samAccountName=*' . $adldapUtils->ldapSlashes($filter['user']) . '*';
+ unset($filter['user']);
+ }
+
+ if (isset($filter['mail'])) {
+ $result .= ')(mail=*' . $adldapUtils->ldapSlashes($filter['mail']) . '*';
+ unset($filter['mail']);
+ }
+ return $result;
+ }
+
+ /**
+ * Return a count of the number of user which meet $filter criteria
+ *
+ * @param array $filter $filter array of field/pattern pairs, empty array for no filter
+ * @return int number of users
+ */
+ public function getUserCount($filter = array())
+ {
+ $adldap = $this->initAdLdap(null);
+ if (!$adldap) {
+ dbglog("authad/auth.php getUserCount(): _adldap not set.");
+ return -1;
+ }
+ if ($filter == array()) {
+ $result = $adldap->user()->all();
+ } else {
+ $searchString = $this->constructSearchString($filter);
+ $result = $adldap->user()->all(false, $searchString);
+ if (isset($filter['grps'])) {
+ $this->users = array_fill_keys($result, false);
+ /** @var admin_plugin_usermanager $usermanager */
+ $usermanager = plugin_load("admin", "usermanager", false);
+ $usermanager->setLastdisabled(true);
+ if (!isset($this->grpsusers[$this->filterToString($filter)])) {
+ $this->fillGroupUserArray($filter, $usermanager->getStart() + 3*$usermanager->getPagesize());
+ } elseif (count($this->grpsusers[$this->filterToString($filter)]) <
+ $usermanager->getStart() + 3*$usermanager->getPagesize()
+ ) {
+ $this->fillGroupUserArray(
+ $filter,
+ $usermanager->getStart() +
+ 3*$usermanager->getPagesize() -
+ count($this->grpsusers[$this->filterToString($filter)])
+ );
+ }
+ $result = $this->grpsusers[$this->filterToString($filter)];
+ } else {
+ /** @var admin_plugin_usermanager $usermanager */
+ $usermanager = plugin_load("admin", "usermanager", false);
+ $usermanager->setLastdisabled(false);
+ }
+ }
+
+ if (!$result) {
+ return 0;
+ }
+ return count($result);
+ }
+
+ /**
+ *
+ * create a unique string for each filter used with a group
+ *
+ * @param array $filter
+ * @return string
+ */
+ protected function filterToString($filter)
+ {
+ $result = '';
+ if (isset($filter['user'])) {
+ $result .= 'user-' . $filter['user'];
+ }
+ if (isset($filter['name'])) {
+ $result .= 'name-' . $filter['name'];
+ }
+ if (isset($filter['mail'])) {
+ $result .= 'mail-' . $filter['mail'];
+ }
+ if (isset($filter['grps'])) {
+ $result .= 'grps-' . $filter['grps'];
+ }
+ return $result;
+ }
+
+ /**
+ * Create an array of $numberOfAdds users passing a certain $filter, including belonging
+ * to a certain group and save them to a object-wide array. If the array
+ * already exists try to add $numberOfAdds further users to it.
+ *
+ * @param array $filter
+ * @param int $numberOfAdds additional number of users requested
+ * @return int number of Users actually add to Array
+ */
+ protected function fillGroupUserArray($filter, $numberOfAdds)
+ {
+ if (isset($this->grpsusers[$this->filterToString($filter)])) {
+ $actualstart = count($this->grpsusers[$this->filterToString($filter)]);
+ } else {
+ $this->grpsusers[$this->filterToString($filter)] = [];
+ $actualstart = 0;
+ }
+
+ $i=0;
+ $count = 0;
+ $this->constructPattern($filter);
+ foreach ($this->users as $user => &$info) {
+ if ($i++ < $actualstart) {
+ continue;
+ }
+ if ($info === false) {
+ $info = $this->getUserData($user);
+ }
+ if ($this->filter($user, $info)) {
+ $this->grpsusers[$this->filterToString($filter)][$user] = $info;
+ if (($numberOfAdds > 0) && (++$count >= $numberOfAdds)) break;
+ }
+ }
+ return $count;
+ }
+
+ /**
+ * Bulk retrieval of user data
+ *
+ * @author Dominik Eckelmann <dokuwiki@cosmocode.de>
+ *
+ * @param int $start index of first user to be returned
+ * @param int $limit max number of users to be returned
+ * @param array $filter array of field/pattern pairs, null for no filter
+ * @return array userinfo (refer getUserData for internal userinfo details)
+ */
+ public function retrieveUsers($start = 0, $limit = 0, $filter = array())
+ {
+ $adldap = $this->initAdLdap(null);
+ if (!$adldap) return array();
+
+ //if (!$this->users) {
+ //get info for given user
+ $result = $adldap->user()->all(false, $this->constructSearchString($filter));
+ if (!$result) return array();
+ $this->users = array_fill_keys($result, false);
+ //}
+
+ $i = 0;
+ $count = 0;
+ $result = array();
+
+ if (!isset($filter['grps'])) {
+ /** @var admin_plugin_usermanager $usermanager */
+ $usermanager = plugin_load("admin", "usermanager", false);
+ $usermanager->setLastdisabled(false);
+ $this->constructPattern($filter);
+ foreach ($this->users as $user => &$info) {
+ if ($i++ < $start) {
+ continue;
+ }
+ if ($info === false) {
+ $info = $this->getUserData($user);
+ }
+ $result[$user] = $info;
+ if (($limit > 0) && (++$count >= $limit)) break;
+ }
+ } else {
+ /** @var admin_plugin_usermanager $usermanager */
+ $usermanager = plugin_load("admin", "usermanager", false);
+ $usermanager->setLastdisabled(true);
+ if (!isset($this->grpsusers[$this->filterToString($filter)]) ||
+ count($this->grpsusers[$this->filterToString($filter)]) < ($start+$limit)
+ ) {
+ if(!isset($this->grpsusers[$this->filterToString($filter)])) {
+ $this->grpsusers[$this->filterToString($filter)] = [];
+ }
+
+ $this->fillGroupUserArray(
+ $filter,
+ $start+$limit - count($this->grpsusers[$this->filterToString($filter)]) +1
+ );
+ }
+ if (!$this->grpsusers[$this->filterToString($filter)]) return array();
+ foreach ($this->grpsusers[$this->filterToString($filter)] as $user => &$info) {
+ if ($i++ < $start) {
+ continue;
+ }
+ $result[$user] = $info;
+ if (($limit > 0) && (++$count >= $limit)) break;
+ }
+ }
+ return $result;
+ }
+
+ /**
+ * Modify user data
+ *
+ * @param string $user nick of the user to be changed
+ * @param array $changes array of field/value pairs to be changed
+ * @return bool
+ */
+ public function modifyUser($user, $changes)
+ {
+ $return = true;
+ $adldap = $this->initAdLdap($this->getUserDomain($user));
+ if (!$adldap) {
+ msg($this->getLang('connectfail'), -1);
+ return false;
+ }
+
+ // password changing
+ if (isset($changes['pass'])) {
+ try {
+ $return = $adldap->user()->password($this->getUserName($user), $changes['pass']);
+ } catch (adLDAPException $e) {
+ if ($this->conf['debug']) msg('AD Auth: '.$e->getMessage(), -1);
+ $return = false;
+ }
+ if (!$return) msg($this->getLang('passchangefail'), -1);
+ }
+
+ // changing user data
+ $adchanges = array();
+ if (isset($changes['name'])) {
+ // get first and last name
+ $parts = explode(' ', $changes['name']);
+ $adchanges['surname'] = array_pop($parts);
+ $adchanges['firstname'] = join(' ', $parts);
+ $adchanges['display_name'] = $changes['name'];
+ }
+ if (isset($changes['mail'])) {
+ $adchanges['email'] = $changes['mail'];
+ }
+ if (count($adchanges)) {
+ try {
+ $return = $return & $adldap->user()->modify($this->getUserName($user), $adchanges);
+ } catch (adLDAPException $e) {
+ if ($this->conf['debug']) msg('AD Auth: '.$e->getMessage(), -1);
+ $return = false;
+ }
+ if (!$return) msg($this->getLang('userchangefail'), -1);
+ }
+
+ return $return;
+ }
+
+ /**
+ * Initialize the AdLDAP library and connect to the server
+ *
+ * When you pass null as domain, it will reuse any existing domain.
+ * Eg. the one of the logged in user. It falls back to the default
+ * domain if no current one is available.
+ *
+ * @param string|null $domain The AD domain to use
+ * @return adLDAP|bool true if a connection was established
+ */
+ protected function initAdLdap($domain)
+ {
+ if (is_null($domain) && is_array($this->opts)) {
+ $domain = $this->opts['domain'];
+ }
+
+ $this->opts = $this->loadServerConfig((string) $domain);
+ if (isset($this->adldap[$domain])) return $this->adldap[$domain];
+
+ // connect
+ try {
+ $this->adldap[$domain] = new adLDAP($this->opts);
+ return $this->adldap[$domain];
+ } catch (Exception $e) {
+ if ($this->conf['debug']) {
+ msg('AD Auth: '.$e->getMessage(), -1);
+ }
+ $this->success = false;
+ $this->adldap[$domain] = null;
+ }
+ return false;
+ }
+
+ /**
+ * Get the domain part from a user
+ *
+ * @param string $user
+ * @return string
+ */
+ public function getUserDomain($user)
+ {
+ list(, $domain) = explode('@', $user, 2);
+ return $domain;
+ }
+
+ /**
+ * Get the user part from a user
+ *
+ * When an account suffix is set, we strip the domain part from the user
+ *
+ * @param string $user
+ * @return string
+ */
+ public function getUserName($user)
+ {
+ if ($this->conf['account_suffix'] !== '') {
+ list($user) = explode('@', $user, 2);
+ }
+ return $user;
+ }
+
+ /**
+ * Fetch the configuration for the given AD domain
+ *
+ * @param string $domain current AD domain
+ * @return array
+ */
+ protected function loadServerConfig($domain)
+ {
+ // prepare adLDAP standard configuration
+ $opts = $this->conf;
+
+ $opts['domain'] = $domain;
+
+ // add possible domain specific configuration
+ if ($domain && is_array($this->conf[$domain])) foreach ($this->conf[$domain] as $key => $val) {
+ $opts[$key] = $val;
+ }
+
+ // handle multiple AD servers
+ $opts['domain_controllers'] = explode(',', $opts['domain_controllers']);
+ $opts['domain_controllers'] = array_map('trim', $opts['domain_controllers']);
+ $opts['domain_controllers'] = array_filter($opts['domain_controllers']);
+
+ // compatibility with old option name
+ if (empty($opts['admin_username']) && !empty($opts['ad_username'])) {
+ $opts['admin_username'] = $opts['ad_username'];
+ }
+ if (empty($opts['admin_password']) && !empty($opts['ad_password'])) {
+ $opts['admin_password'] = $opts['ad_password'];
+ }
+ $opts['admin_password'] = conf_decodeString($opts['admin_password']); // deobfuscate
+
+ // we can change the password if SSL is set
+ if ($opts['use_ssl'] || $opts['use_tls']) {
+ $this->cando['modPass'] = true;
+ } else {
+ $this->cando['modPass'] = false;
+ }
+
+ // adLDAP expects empty user/pass as NULL, we're less strict FS#2781
+ if (empty($opts['admin_username'])) $opts['admin_username'] = null;
+ if (empty($opts['admin_password'])) $opts['admin_password'] = null;
+
+ // user listing needs admin priviledges
+ if (!empty($opts['admin_username']) && !empty($opts['admin_password'])) {
+ $this->cando['getUsers'] = true;
+ } else {
+ $this->cando['getUsers'] = false;
+ }
+
+ return $opts;
+ }
+
+ /**
+ * Returns a list of configured domains
+ *
+ * The default domain has an empty string as key
+ *
+ * @return array associative array(key => domain)
+ */
+ public function getConfiguredDomains()
+ {
+ $domains = array();
+ if (empty($this->conf['account_suffix'])) return $domains; // not configured yet
+
+ // add default domain, using the name from account suffix
+ $domains[''] = ltrim($this->conf['account_suffix'], '@');
+
+ // find additional domains
+ foreach ($this->conf as $key => $val) {
+ if (is_array($val) && isset($val['account_suffix'])) {
+ $domains[$key] = ltrim($val['account_suffix'], '@');
+ }
+ }
+ ksort($domains);
+
+ return $domains;
+ }
+
+ /**
+ * Check provided user and userinfo for matching patterns
+ *
+ * The patterns are set up with $this->_constructPattern()
+ *
+ * @author Chris Smith <chris@jalakai.co.uk>
+ *
+ * @param string $user
+ * @param array $info
+ * @return bool
+ */
+ protected function filter($user, $info)
+ {
+ foreach ($this->pattern as $item => $pattern) {
+ if ($item == 'user') {
+ if (!preg_match($pattern, $user)) return false;
+ } elseif ($item == 'grps') {
+ if (!count(preg_grep($pattern, $info['grps']))) return false;
+ } else {
+ if (!preg_match($pattern, $info[$item])) return false;
+ }
+ }
+ return true;
+ }
+
+ /**
+ * Create a pattern for $this->_filter()
+ *
+ * @author Chris Smith <chris@jalakai.co.uk>
+ *
+ * @param array $filter
+ */
+ protected function constructPattern($filter)
+ {
+ $this->pattern = array();
+ foreach ($filter as $item => $pattern) {
+ $this->pattern[$item] = '/'.str_replace('/', '\/', $pattern).'/i'; // allow regex characters
+ }
+ }
+}
generated by cgit v1.2.1 (git 2.18.0) at 2024-04-18 04:04:15 +0000