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<?php
/**
* @author Arthur Schiwon <blizzz@owncloud.com>
* @author Bart Visscher <bartv@thisnet.nl>
* @author Jakob Sack <mail@jakobsack.de>
* @author Joas Schilling <nickvergessen@owncloud.com>
* @author Jörn Friedrich Dreyer <jfd@butonic.de>
* @author Lukas Reschke <lukas@owncloud.com>
* @author Michael Gapczynski <GapczynskiM@gmail.com>
* @author Morris Jobke <hey@morrisjobke.de>
* @author Robin Appelman <icewind@owncloud.com>
* @author Robin McCorkell <robin@mccorkell.me.uk>
* @author Thomas Müller <thomas.mueller@tmit.eu>
*
* @copyright Copyright (c) 2016, ownCloud, Inc.
* @license AGPL-3.0
*
* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program 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, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
/**
* error code for functions not provided by the group backend
* @deprecated Use \OC_Group_Backend::NOT_IMPLEMENTED instead
*/
define('OC_GROUP_BACKEND_NOT_IMPLEMENTED', -501);
/**
* actions that user backends can define
*/
/** @deprecated Use \OC_Group_Backend::CREATE_GROUP instead */
define('OC_GROUP_BACKEND_CREATE_GROUP', 0x00000001);
/** @deprecated Use \OC_Group_Backend::DELETE_GROUP instead */
define('OC_GROUP_BACKEND_DELETE_GROUP', 0x00000010);
/** @deprecated Use \OC_Group_Backend::ADD_TO_GROUP instead */
define('OC_GROUP_BACKEND_ADD_TO_GROUP', 0x00000100);
/** @deprecated Use \OC_Group_Backend::REMOVE_FROM_GOUP instead */
define('OC_GROUP_BACKEND_REMOVE_FROM_GOUP', 0x00001000);
/** @deprecated Obsolete */
define('OC_GROUP_BACKEND_GET_DISPLAYNAME', 0x00010000); //OBSOLETE
/** @deprecated Use \OC_Group_Backend::COUNT_USERS instead */
define('OC_GROUP_BACKEND_COUNT_USERS', 0x00100000);
/**
* Abstract base class for user management
*/
abstract class OC_Group_Backend implements \OCP\GroupInterface {
/**
* error code for functions not provided by the group backend
*/
const NOT_IMPLEMENTED = -501;
/**
* actions that user backends can define
*/
const CREATE_GROUP = 0x00000001;
const DELETE_GROUP = 0x00000010;
const ADD_TO_GROUP = 0x00000100;
const REMOVE_FROM_GOUP = 0x00001000;
//OBSOLETE const GET_DISPLAYNAME = 0x00010000;
const COUNT_USERS = 0x00100000;
protected $possibleActions = array(
self::CREATE_GROUP => 'createGroup',
self::DELETE_GROUP => 'deleteGroup',
self::ADD_TO_GROUP => 'addToGroup',
self::REMOVE_FROM_GOUP => 'removeFromGroup',
self::COUNT_USERS => 'countUsersInGroup',
);
/**
* Get all supported actions
* @return int bitwise-or'ed actions
*
* Returns the supported actions as int to be
* compared with \OC_Group_Backend::CREATE_GROUP etc.
*/
public function getSupportedActions() {
$actions = 0;
foreach($this->possibleActions AS $action => $methodName) {
if(method_exists($this, $methodName)) {
$actions |= $action;
}
}
return $actions;
}
/**
* Check if backend implements actions
* @param int $actions bitwise-or'ed actions
* @return bool
*
* Returns the supported actions as int to be
* compared with \OC_Group_Backend::CREATE_GROUP etc.
*/
public function implementsActions($actions) {
return (bool)($this->getSupportedActions() & $actions);
}
/**
* is user in group?
* @param string $uid uid of the user
* @param string $gid gid of the group
* @return bool
*
* Checks whether the user is member of a group or not.
*/
public function inGroup($uid, $gid) {
return in_array($gid, $this->getUserGroups($uid));
}
/**
* Get all groups a user belongs to
* @param string $uid Name of the user
* @return array an array of group names
*
* This function fetches all groups a user belongs to. It does not check
* if the user exists at all.
*/
public function getUserGroups($uid) {
return array();
}
/**
* get a list of all groups
* @param string $search
* @param int $limit
* @param int $offset
* @return array an array of group names
*
* Returns a list with all groups
*/
public function getGroups($search = '', $limit = -1, $offset = 0) {
return array();
}
/**
* check if a group exists
* @param string $gid
* @return bool
*/
public function groupExists($gid) {
return in_array($gid, $this->getGroups($gid, 1));
}
/**
* get a list of all users in a group
* @param string $gid
* @param string $search
* @param int $limit
* @param int $offset
* @return array an array of user ids
*/
public function usersInGroup($gid, $search = '', $limit = -1, $offset = 0) {
return array();
}
}
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