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<?php
/**
* ownCloud
*
* @author Dominik Schmidt
* @author Artuhr Schiwon
* @copyright 2011 Dominik Schmidt dev@dominik-schmidt.de
* @copyright 2012 Arthur Schiwon blizzz@owncloud.com
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
* License as published by the Free Software Foundation; either
* version 3 of the License, or any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU AFFERO GENERAL PUBLIC LICENSE for more details.
*
* You should have received a copy of the GNU Affero General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
*/
class OC_USER_LDAP extends OC_User_Backend {
// cached settings
protected $ldapUserFilter;
protected $ldapQuotaAttribute;
protected $ldapQuotaDefault;
protected $ldapEmailAttribute;
// will be retrieved from LDAP server
protected $ldap_dc = false;
// cache getUsers()
protected $_users = null;
public function __construct() {
$this->ldapUserFilter = OCP\Config::getAppValue('user_ldap', 'ldap_userlist_filter', '(objectClass=posixAccount)');
$this->ldapQuotaAttribute = OCP\Config::getAppValue('user_ldap', 'ldap_quota_attr', '');
$this->ldapQuotaDefault = OCP\Config::getAppValue('user_ldap', 'ldap_quota_def', '');
$this->ldapEmailAttribute = OCP\Config::getAppValue('user_ldap', 'ldap_email_attr', '');
}
private function updateQuota($dn) {
$quota = null;
if(!empty($this->ldapQuotaDefault)) {
$quota = $this->ldapQuotaDefault;
}
if(!empty($this->ldapQuotaAttribute)) {
$aQuota = OC_LDAP::readAttribute($dn, $this->ldapQuotaAttribute);
if($aQuota && (count($aQuota) > 0)) {
$quota = $aQuota[0];
}
}
if(!is_null($quota)) {
OCP\Config::setUserValue(OC_LDAP::dn2username($dn), 'files', 'quota', OCP\Util::computerFileSize($quota));
}
}
private function updateEmail($dn) {
$email = null;
if(!empty($this->ldapEmailAttribute)) {
$aEmail = OC_LDAP::readAttribute($dn, $this->ldapEmailAttribute);
if($aEmail && (count($aEmail) > 0)) {
$email = $aEmail[0];
}
if(!is_null($email)){
OCP\Config::setUserValue(OC_LDAP::dn2username($dn), 'settings', 'email', $email);
}
}
}
/**
* @brief Check if the password is correct
* @param $uid The username
* @param $password The password
* @returns true/false
*
* Check if the password is correct without logging in the user
*/
public function checkPassword($uid, $password){
//find out dn of the user name
$filter = str_replace('%uid', $uid, OC_LDAP::conf('ldapLoginFilter'));
$ldap_users = OC_LDAP::fetchListOfUsers($filter, 'dn');
if(count($ldap_users) < 1) {
return false;
}
$dn = $ldap_users[0];
//are the credentials OK?
if(!OC_LDAP::areCredentialsValid($dn, $password)) {
return false;
}
//do we have a username for him/her?
$ocname = OC_LDAP::dn2username($dn);
if($ocname){
//update some settings, if necessary
$this->updateQuota($dn);
$this->updateEmail($dn);
return $ocname;
}
return false;
}
/**
* @brief Get a list of all users
* @returns array with all uids
*
* Get a list of all users.
*/
public function getUsers(){
if(is_null($this->_users)) {
$ldap_users = OC_LDAP::fetchListOfUsers($this->ldapUserFilter, array(OC_LDAP::conf('ldapUserDisplayName'), 'dn'));
$this->_users = OC_LDAP::ownCloudUserNames($ldap_users);
}
return $this->_users;
}
/**
* @brief check if a user exists
* @param string $uid the username
* @return boolean
*/
public function userExists($uid){
//getting dn, if false the user does not exist. If dn, he may be mapped only, requires more checking.
$dn = OC_LDAP::username2dn($uid);
if(!$dn) {
return false;
}
//if user really still exists, we will be able to read his cn
$cn = OC_LDAP::readAttribute($dn, 'cn');
if(!$cn || empty($cn)) {
return false;
}
return true;
}
}
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