nextcloud/apps/user_ldap/group_ldap.php

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<?php
/**
* ownCloud LDAP group backend
*
* @author Arthur Schiwon
* @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/>.
*
*/
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class OC_GROUP_LDAP extends OC_Group_Backend {
// //group specific settings
protected $ldapGroupFilter;
public function __construct() {
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$this->ldapGroupFilter = OCP\Config::getAppValue('user_ldap', 'ldap_group_filter', '(objectClass=posixGroup)');
}
/**
* @brief is user in group?
* @param $uid uid of the user
* @param $gid gid of the group
* @returns true/false
*
* Checks whether the user is member of a group or not.
*/
public function inGroup($uid, $gid) {
$dn_user = OC_LDAP::username2dn($uid);
$dn_group = OC_LDAP::groupname2dn($gid);
// just in case
if(!$dn_group || !$dn_user) {
return false;
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}
$members = OC_LDAP::readAttribute($dn_group, LDAP_GROUP_MEMBER_ASSOC_ATTR);
return in_array($dn_user, $members);
}
/**
* @brief Get all groups a user belongs to
* @param $uid Name of the user
* @returns array with group names
*
* This function fetches all groups a user belongs to. It does not check
* if the user exists at all.
*/
public function getUserGroups($uid) {
$userDN = OC_LDAP::username2dn($uid);
if(!$userDN) {
return array();
}
$filter = OC_LDAP::combineFilterWithAnd(array(
$this->ldapGroupFilter,
LDAP_GROUP_MEMBER_ASSOC_ATTR.'='.$userDN
));
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$groups = OC_LDAP::fetchListOfGroups($filter, array(OC_LDAP::conf('ldapGroupDisplayName'),'dn'));
$userGroups = OC_LDAP::ownCloudGroupNames($groups);
return array_unique($userGroups, SORT_LOCALE_STRING);
}
/**
* @brief get a list of all users in a group
* @returns array with user ids
*/
public function usersInGroup($gid) {
$groupDN = OC_LDAP::groupname2dn($gid);
if(!$groupDN) {
return array();
}
$members = OC_LDAP::readAttribute($groupDN, LDAP_GROUP_MEMBER_ASSOC_ATTR);
$result = array();
foreach($members as $member) {
$result[] = OC_LDAP::dn2username($member);
}
return array_unique($result, SORT_LOCALE_STRING);
}
/**
* @brief get a list of all groups
* @returns array with group names
*
* Returns a list with all groups
*/
public function getGroups() {
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$ldap_groups = OC_LDAP::fetchListOfGroups($this->ldapGroupFilter, array(OC_LDAP::conf('ldapGroupDisplayName'), 'dn'));
$groups = OC_LDAP::ownCloudGroupNames($ldap_groups);
return $groups;
}
/**
* check if a group exists
* @param string $gid
* @return bool
*/
public function groupExists($gid){
return in_array($gid, $this->getGroups());
}
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}