139 lines
3.7 KiB
PHP
139 lines
3.7 KiB
PHP
<?php
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/**
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* ownCloud
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*
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* @author Frank Karlitschek
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* @copyright 2012 Frank Karlitschek frank@owncloud.org
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU AFFERO GENERAL PUBLIC LICENSE for more details.
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*
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* You should have received a copy of the GNU Affero General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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/**
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* error code for functions not provided by the group backend
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*/
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define('OC_GROUP_BACKEND_NOT_IMPLEMENTED', -501);
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/**
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* actions that user backends can define
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*/
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define('OC_GROUP_BACKEND_CREATE_GROUP', 0x00000001);
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define('OC_GROUP_BACKEND_DELETE_GROUP', 0x00000010);
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define('OC_GROUP_BACKEND_ADD_TO_GROUP', 0x00000100);
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define('OC_GROUP_BACKEND_REMOVE_FROM_GOUP', 0x00001000);
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define('OC_GROUP_BACKEND_GET_DISPLAYNAME', 0x00010000); //OBSOLETE
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define('OC_GROUP_BACKEND_COUNT_USERS', 0x00100000);
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/**
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* Abstract base class for user management
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*/
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abstract class OC_Group_Backend implements OC_Group_Interface {
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protected $possibleActions = array(
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OC_GROUP_BACKEND_CREATE_GROUP => 'createGroup',
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OC_GROUP_BACKEND_DELETE_GROUP => 'deleteGroup',
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OC_GROUP_BACKEND_ADD_TO_GROUP => 'addToGroup',
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OC_GROUP_BACKEND_REMOVE_FROM_GOUP => 'removeFromGroup',
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OC_GROUP_BACKEND_COUNT_USERS => 'countUsersInGroup',
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);
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/**
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* Get all supported actions
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* @return int bitwise-or'ed actions
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*
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* Returns the supported actions as int to be
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* compared with OC_USER_BACKEND_CREATE_USER etc.
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*/
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public function getSupportedActions() {
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$actions = 0;
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foreach($this->possibleActions AS $action => $methodName) {
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if(method_exists($this, $methodName)) {
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$actions |= $action;
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}
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}
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return $actions;
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}
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/**
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* Check if backend implements actions
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* @param int $actions bitwise-or'ed actions
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* @return bool
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*
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* Returns the supported actions as int to be
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* compared with OC_GROUP_BACKEND_CREATE_GROUP etc.
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*/
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public function implementsActions($actions) {
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return (bool)($this->getSupportedActions() & $actions);
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}
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/**
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* is user in group?
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* @param string $uid uid of the user
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* @param string $gid gid of the group
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* @return bool
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*
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* Checks whether the user is member of a group or not.
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*/
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public function inGroup($uid, $gid) {
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return in_array($gid, $this->getUserGroups($uid));
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}
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/**
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* Get all groups a user belongs to
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* @param string $uid Name of the user
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* @return array an array of group names
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*
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* This function fetches all groups a user belongs to. It does not check
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* if the user exists at all.
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*/
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public function getUserGroups($uid) {
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return array();
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}
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/**
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* get a list of all groups
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* @param string $search
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* @param int $limit
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* @param int $offset
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* @return array an array of group names
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*
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* Returns a list with all groups
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*/
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public function getGroups($search = '', $limit = -1, $offset = 0) {
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return array();
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}
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/**
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* check if a group exists
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* @param string $gid
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* @return bool
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*/
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public function groupExists($gid) {
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return in_array($gid, $this->getGroups($gid, 1));
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}
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/**
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* get a list of all users in a group
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* @param string $gid
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* @param string $search
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* @param int $limit
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* @param int $offset
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* @return array an array of user ids
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*/
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public function usersInGroup($gid, $search = '', $limit = -1, $offset = 0) {
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return array();
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}
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}
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