130 lines
3.2 KiB
PHP
130 lines
3.2 KiB
PHP
<?php
|
|
|
|
/**
|
|
* ownCloud
|
|
*
|
|
* @author Frank Karlitschek
|
|
* @copyright 2012 Frank Karlitschek frank@owncloud.org
|
|
*
|
|
* 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/>.
|
|
*
|
|
*/
|
|
|
|
/**
|
|
* error code for functions not provided by the group backend
|
|
*/
|
|
define('OC_GROUP_BACKEND_NOT_IMPLEMENTED', -501);
|
|
|
|
/**
|
|
* actions that user backends can define
|
|
*/
|
|
define('OC_GROUP_BACKEND_CREATE_GROUP', 0x00000001);
|
|
define('OC_GROUP_BACKEND_DELETE_GROUP', 0x00000010);
|
|
define('OC_GROUP_BACKEND_ADD_TO_GROUP', 0x00000100);
|
|
define('OC_GROUP_BACKEND_REMOVE_FROM_GOUP', 0x00001000);
|
|
|
|
/**
|
|
* Abstract base class for user management
|
|
*/
|
|
abstract class OC_Group_Backend {
|
|
protected $possibleActions = array(
|
|
OC_GROUP_BACKEND_CREATE_GROUP => 'createGroup',
|
|
OC_GROUP_BACKEND_DELETE_GROUP => 'deleteGroup',
|
|
OC_GROUP_BACKEND_ADD_TO_GROUP => 'addToGroup',
|
|
OC_GROUP_BACKEND_REMOVE_FROM_GOUP => 'removeFromGroup',
|
|
);
|
|
|
|
/**
|
|
* @brief Get all supported actions
|
|
* @returns bitwise-or'ed actions
|
|
*
|
|
* Returns the supported actions as int to be
|
|
* compared with OC_USER_BACKEND_CREATE_USER etc.
|
|
*/
|
|
public function getSupportedActions(){
|
|
$actions = 0;
|
|
foreach($this->possibleActions AS $action => $methodName){
|
|
if(method_exists($this, $methodName)) {
|
|
$actions |= $action;
|
|
}
|
|
}
|
|
|
|
return $actions;
|
|
}
|
|
|
|
/**
|
|
* @brief Check if backend implements actions
|
|
* @param $actions bitwise-or'ed actions
|
|
* @returns boolean
|
|
*
|
|
* Returns the supported actions as int to be
|
|
* compared with OC_GROUP_BACKEND_CREATE_GROUP etc.
|
|
*/
|
|
public function implementsActions($actions){
|
|
return (bool)($this->getSupportedActions() & $actions);
|
|
}
|
|
|
|
/**
|
|
* @brief is user in group?
|
|
* @param $uid uid of the user
|
|
* @param $gid gid of the group
|
|
* @returns true/false
|
|
*
|
|
* Checks whether the user is member of a group or not.
|
|
*/
|
|
public static function inGroup($uid, $gid){
|
|
return in_array($gid, $this->getUserGroups($uid));
|
|
}
|
|
|
|
/**
|
|
* @brief Get all groups a user belongs to
|
|
* @param $uid Name of the user
|
|
* @returns array with group names
|
|
*
|
|
* This function fetches all groups a user belongs to. It does not check
|
|
* if the user exists at all.
|
|
*/
|
|
public static function getUserGroups($uid){
|
|
return array();
|
|
}
|
|
|
|
/**
|
|
* @brief get a list of all groups
|
|
* @returns array with group names
|
|
*
|
|
* Returns a list with all groups
|
|
*/
|
|
public static function getGroups(){
|
|
return array();
|
|
}
|
|
|
|
/**
|
|
* check if a group exists
|
|
* @param string $gid
|
|
* @return bool
|
|
*/
|
|
public function groupExists($gid){
|
|
return in_array($gid, $this->getGroups());
|
|
}
|
|
|
|
/**
|
|
* @brief get a list of all users in a group
|
|
* @returns array with user ids
|
|
*/
|
|
public static function usersInGroup($gid){
|
|
return array();
|
|
}
|
|
|
|
}
|