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<?php
/**
* ownCloud
*
* @author Frank Karlitschek
* @copyright 2010 Frank Karlitschek karlitschek@kde.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/>.
*
*/
/**
* This class provides all methods needed for managing groups.
*/
class OC_GROUP {
// The backend used for user management
private static $_backend;
// Backends available (except database)
private static $_backends = array();
/**
* @brief registers backend
* @param $name name of the backend
* @returns true/false
*
* Makes a list of backends that can be used by other modules
*/
public static function registerBackend( $name ){
self::$_backends[] = $name;
return true;
}
/**
* @brief gets available backends
* @returns array of backends
*
* Returns the names of all backends.
*/
public static function getBackends(){
return self::$_backends;
}
/**
* @brief set the group backend
* @param string $backend The backend to use for user managment
* @returns true/false
*/
public static function setBackend( $backend = 'database' ){
// You'll never know what happens
if( null === $backend OR !is_string( $backend )){
$backend = 'database';
}
// Load backend
switch( $backend ){
case 'database':
case 'mysql':
case 'sqlite':
require_once('Group/database.php');
self::$_backend = new OC_GROUP_DATABASE();
break;
default:
$className = 'OC_GROUP_' . strToUpper($backend);
self::$_backend = new $className();
break;
}
}
/**
* @brief Try to create a new group
* @param $gid The name of the group to create
* @returns true/false
*
* Trys to create a new group. If the group name already exists, false will
* be returned.
*/
public static function createGroup( $gid ){
return self::$_backend->createGroup($gid);
}
/**
* @brief delete a group
* @param $gid gid of the group to delete
* @returns true/false
*
* Deletes a group and removes it from the group_user-table
*/
public static function deleteGroup( $gid ){
return self::$_backend->deleteGroup($gid);
}
/**
* @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, $gid ){
return self::$_backend->inGroup($uid, $gid);
}
/**
* @brief Add a user to a group
* @param $uid Name of the user to add to group
* @param $gid Name of the group in which add the user
* @returns true/false
*
* Adds a user to a group.
*/
public static function addToGroup( $uid, $gid ){
return self::$_backend->addToGroup($uid, $gid);
}
/**
* @brief Removes a user from a group
* @param $uid Name of the user to remove from group
* @param $gid Name of the group from which remove the user
* @returns true/false
*
* removes the user from a group.
*/
public static function removeFromGroup( $uid, $gid ){
return self::$_backend->removeFromGroup($uid, $gid);
}
/**
* @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( $uid ){
return self::$_backend->getUserGroups($uid);
}
/**
* @brief get a list of all groups
* @returns array with group names
*
* Returns a list with all groups
*/
public static function getGroups(){
return self::$_backend->getGroups();
}
}
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