279 lines
7.9 KiB
PHP
279 lines
7.9 KiB
PHP
<?php
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/**
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* ownCloud
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*
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* @author Dominik Schmidt
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* @author Artuhr Schiwon
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* @copyright 2011 Dominik Schmidt dev@dominik-schmidt.de
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* @copyright 2012 Arthur Schiwon blizzz@owncloud.com
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU AFFERO GENERAL PUBLIC LICENSE for more details.
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*
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* You should have received a copy of the GNU Affero General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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namespace OCA\user_ldap;
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class USER_LDAP extends lib\Access implements \OCP\UserInterface {
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private function updateQuota($dn) {
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$quota = null;
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$quotaDefault = $this->connection->ldapQuotaDefault;
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$quotaAttribute = $this->connection->ldapQuotaAttribute;
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if(!empty($quotaDefault)) {
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$quota = $quotaDefault;
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}
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if(!empty($quotaAttribute)) {
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$aQuota = $this->readAttribute($dn, $quotaAttribute);
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if($aQuota && (count($aQuota) > 0)) {
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$quota = $aQuota[0];
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}
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}
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if(!is_null($quota)) {
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\OCP\Config::setUserValue($this->dn2username($dn), 'files', 'quota', \OCP\Util::computerFileSize($quota));
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}
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}
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private function updateEmail($dn) {
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$email = null;
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$emailAttribute = $this->connection->ldapEmailAttribute;
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if(!empty($emailAttribute)) {
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$aEmail = $this->readAttribute($dn, $emailAttribute);
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if($aEmail && (count($aEmail) > 0)) {
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$email = $aEmail[0];
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}
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if(!is_null($email)) {
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\OCP\Config::setUserValue($this->dn2username($dn), 'settings', 'email', $email);
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}
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}
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}
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/**
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* @brief Check if the password is correct
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* @param $uid The username
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* @param $password The password
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* @returns true/false
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*
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* Check if the password is correct without logging in the user
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*/
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public function checkPassword($uid, $password) {
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//find out dn of the user name
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$filter = \OCP\Util::mb_str_replace('%uid', $uid, $this->connection->ldapLoginFilter, 'UTF-8');
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$ldap_users = $this->fetchListOfUsers($filter, 'dn');
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if(count($ldap_users) < 1) {
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return false;
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}
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$dn = $ldap_users[0];
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//are the credentials OK?
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if(!$this->areCredentialsValid($dn, $password)) {
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return false;
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}
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//do we have a username for him/her?
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$ocname = $this->dn2username($dn);
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if($ocname) {
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//update some settings, if necessary
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$this->updateQuota($dn);
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$this->updateEmail($dn);
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//give back the display name
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return $ocname;
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}
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return false;
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}
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/**
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* @brief Get a list of all users
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* @returns array with all uids
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*
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* Get a list of all users.
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*/
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public function getUsers($search = '', $limit = 10, $offset = 0) {
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$cachekey = 'getUsers-'.$search.'-'.$limit.'-'.$offset;
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//check if users are cached, if so return
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$ldap_users = $this->connection->getFromCache($cachekey);
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if(!is_null($ldap_users)) {
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return $ldap_users;
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}
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// if we'd pass -1 to LDAP search, we'd end up in a Protocol
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// error. With a limit of 0, we get 0 results. So we pass null.
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if($limit <= 0) {
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$limit = null;
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}
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$filter = $this->combineFilterWithAnd(array(
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$this->connection->ldapUserFilter,
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$this->getFilterPartForUserSearch($search)
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));
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\OCP\Util::writeLog('user_ldap',
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'getUsers: Options: search '.$search.' limit '.$limit.' offset '.$offset.' Filter: '.$filter,
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\OCP\Util::DEBUG);
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//do the search and translate results to owncloud names
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$ldap_users = $this->fetchListOfUsers($filter, array($this->connection->ldapUserDisplayName, 'dn'),
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$limit, $offset);
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$ldap_users = $this->ownCloudUserNames($ldap_users);
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\OCP\Util::writeLog('user_ldap', 'getUsers: '.count($ldap_users). ' Users found', \OCP\Util::DEBUG);
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$this->connection->writeToCache($cachekey, $ldap_users);
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return $ldap_users;
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}
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/**
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* @brief check if a user exists
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* @param string $uid the username
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* @return boolean
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*/
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public function userExists($uid) {
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if($this->connection->isCached('userExists'.$uid)) {
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return $this->connection->getFromCache('userExists'.$uid);
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}
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//getting dn, if false the user does not exist. If dn, he may be mapped only, requires more checking.
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$dn = $this->username2dn($uid);
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if(!$dn) {
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$this->connection->writeToCache('userExists'.$uid, false);
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return false;
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}
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//check if user really still exists by reading its entry
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if(!is_array($this->readAttribute($dn, ''))) {
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$this->connection->writeToCache('userExists'.$uid, false);
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return false;
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}
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$this->connection->writeToCache('userExists'.$uid, true);
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$this->updateQuota($dn);
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return true;
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}
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/**
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* @brief delete a user
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* @param $uid The username of the user to delete
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* @returns true/false
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*
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* Deletes a user
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*/
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public function deleteUser($uid) {
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return false;
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}
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/**
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* @brief get the user's home directory
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* @param string $uid the username
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* @return boolean
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*/
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public function getHome($uid) {
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$cacheKey = 'getHome'.$uid;
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if($this->connection->isCached($cacheKey)) {
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return $this->connection->getFromCache($cacheKey);
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}
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if(strpos($this->connection->homeFolderNamingRule, 'attr:') === 0) {
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$attr = substr($this->connection->homeFolderNamingRule, strlen('attr:'));
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$homedir = $this->readAttribute($this->username2dn($uid), $attr);
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if($homedir && isset($homedir[0])) {
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$path = $homedir[0];
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//if attribute's value is an absolute path take this, otherwise append it to data dir
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//check for / at the beginning or pattern c:\ resp. c:/
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if(
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'/' == $path[0]
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|| (3 < strlen($path) && ctype_alpha($path[0])
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&& $path[1] == ':' && ('\\' == $path[2] || '/' == $path[2]))
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) {
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$homedir = $path;
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} else {
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$homedir = \OCP\Config::getSystemValue('datadirectory',
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\OC::$SERVERROOT.'/data' ) . '/' . $homedir[0];
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}
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$this->connection->writeToCache($cacheKey, $homedir);
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return $homedir;
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}
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}
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//false will apply default behaviour as defined and done by OC_User
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$this->connection->writeToCache($cacheKey, false);
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return false;
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}
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/**
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* @brief get display name of the user
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* @param $uid user ID of the user
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* @return display name
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*/
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public function getDisplayName($uid) {
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$cacheKey = 'getDisplayName'.$uid;
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if(!is_null($displayName = $this->connection->getFromCache($cacheKey))) {
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return $displayName;
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}
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$displayName = $this->readAttribute(
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$this->username2dn($uid),
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$this->connection->ldapUserDisplayName);
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if($displayName && (count($displayName) > 0)) {
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$this->connection->writeToCache($cacheKey, $displayName[0]);
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return $displayName[0];
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}
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return null;
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}
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/**
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* @brief Get a list of all display names
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* @returns array with all displayNames (value) and the correspondig uids (key)
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*
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* Get a list of all display names and user ids.
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*/
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public function getDisplayNames($search = '', $limit = null, $offset = null) {
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$cacheKey = 'getDisplayNames-'.$search.'-'.$limit.'-'.$offset;
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if(!is_null($displayNames = $this->connection->getFromCache($cacheKey))) {
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return $displayNames;
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}
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$displayNames = array();
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$users = $this->getUsers($search, $limit, $offset);
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foreach ($users as $user) {
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$displayNames[$user] = $this->getDisplayName($user);
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}
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$this->connection->writeToCache($cacheKey, $displayNames);
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return $displayNames;
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}
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/**
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* @brief Check if backend implements actions
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* @param $actions bitwise-or'ed actions
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* @returns boolean
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*
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* Returns the supported actions as int to be
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* compared with OC_USER_BACKEND_CREATE_USER etc.
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*/
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public function implementsActions($actions) {
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return (bool)((OC_USER_BACKEND_CHECK_PASSWORD
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| OC_USER_BACKEND_GET_HOME
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| OC_USER_BACKEND_GET_DISPLAYNAME)
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& $actions);
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}
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/**
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* @return bool
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*/
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public function hasUserListings() {
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return true;
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}
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}
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