330 lines
8.1 KiB
PHP
330 lines
8.1 KiB
PHP
<?php
|
|
/**
|
|
* @copyright Copyright (c) 2016, ownCloud, Inc.
|
|
*
|
|
* @author Aaron Wood <aaronjwood@gmail.com>
|
|
* @author Roeland Jago Douma <roeland@famdouma.nl>
|
|
*
|
|
* @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/>
|
|
*
|
|
*/
|
|
/*
|
|
*
|
|
* The following SQL statement is just a help for developers and will not be
|
|
* executed!
|
|
*
|
|
* CREATE TABLE `groups` (
|
|
* `gid` varchar(64) COLLATE utf8_unicode_ci NOT NULL,
|
|
* PRIMARY KEY (`gid`)
|
|
* ) ENGINE=MyISAM DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci;
|
|
*
|
|
* CREATE TABLE `group_user` (
|
|
* `gid` varchar(64) COLLATE utf8_unicode_ci NOT NULL,
|
|
* `uid` varchar(64) COLLATE utf8_unicode_ci NOT NULL
|
|
* ) ENGINE=MyISAM DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci;
|
|
*
|
|
*/
|
|
|
|
namespace OC\Group;
|
|
|
|
/**
|
|
* Class for group management in a SQL Database (e.g. MySQL, SQLite)
|
|
*/
|
|
class Database extends \OC\Group\Backend {
|
|
|
|
/** @var string[] */
|
|
private $groupCache = [];
|
|
|
|
/** @var \OCP\IDBConnection */
|
|
private $dbConn;
|
|
|
|
/**
|
|
* \OC\Group\Database constructor.
|
|
*
|
|
* @param \OCP\IDBConnection|null $dbConn
|
|
*/
|
|
public function __construct(\OCP\IDBConnection $dbConn = null) {
|
|
$this->dbConn = $dbConn;
|
|
}
|
|
|
|
/**
|
|
* FIXME: This function should not be required!
|
|
*/
|
|
private function fixDI() {
|
|
if ($this->dbConn === null) {
|
|
$this->dbConn = \OC::$server->getDatabaseConnection();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Try to create a new group
|
|
* @param string $gid The name of the group to create
|
|
* @return bool
|
|
*
|
|
* Tries to create a new group. If the group name already exists, false will
|
|
* be returned.
|
|
*/
|
|
public function createGroup( $gid ) {
|
|
$this->fixDI();
|
|
|
|
// Add group
|
|
$result = $this->dbConn->insertIfNotExist('*PREFIX*groups', [
|
|
'gid' => $gid,
|
|
]);
|
|
|
|
// Add to cache
|
|
$this->groupCache[$gid] = $gid;
|
|
|
|
return $result === 1;
|
|
}
|
|
|
|
/**
|
|
* delete a group
|
|
* @param string $gid gid of the group to delete
|
|
* @return bool
|
|
*
|
|
* Deletes a group and removes it from the group_user-table
|
|
*/
|
|
public function deleteGroup( $gid ) {
|
|
$this->fixDI();
|
|
|
|
// Delete the group
|
|
$qb = $this->dbConn->getQueryBuilder();
|
|
$qb->delete('groups')
|
|
->where($qb->expr()->eq('gid', $qb->createNamedParameter($gid)))
|
|
->execute();
|
|
|
|
// Delete the group-user relation
|
|
$qb = $this->dbConn->getQueryBuilder();
|
|
$qb->delete('group_user')
|
|
->where($qb->expr()->eq('gid', $qb->createNamedParameter($gid)))
|
|
->execute();
|
|
|
|
// Delete the group-groupadmin relation
|
|
$qb = $this->dbConn->getQueryBuilder();
|
|
$qb->delete('group_admin')
|
|
->where($qb->expr()->eq('gid', $qb->createNamedParameter($gid)))
|
|
->execute();
|
|
|
|
// Delete from cache
|
|
unset($this->groupCache[$gid]);
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* 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 ) {
|
|
$this->fixDI();
|
|
|
|
// check
|
|
$qb = $this->dbConn->getQueryBuilder();
|
|
$cursor = $qb->select('uid')
|
|
->from('group_user')
|
|
->where($qb->expr()->eq('gid', $qb->createNamedParameter($gid)))
|
|
->andWhere($qb->expr()->eq('uid', $qb->createNamedParameter($uid)))
|
|
->execute();
|
|
|
|
$result = $cursor->fetch();
|
|
$cursor->closeCursor();
|
|
|
|
return $result ? true : false;
|
|
}
|
|
|
|
/**
|
|
* Add a user to a group
|
|
* @param string $uid Name of the user to add to group
|
|
* @param string $gid Name of the group in which add the user
|
|
* @return bool
|
|
*
|
|
* Adds a user to a group.
|
|
*/
|
|
public function addToGroup( $uid, $gid ) {
|
|
$this->fixDI();
|
|
|
|
// No duplicate entries!
|
|
if( !$this->inGroup( $uid, $gid )) {
|
|
$qb = $this->dbConn->getQueryBuilder();
|
|
$qb->insert('group_user')
|
|
->setValue('uid', $qb->createNamedParameter($uid))
|
|
->setValue('gid', $qb->createNamedParameter($gid))
|
|
->execute();
|
|
return true;
|
|
}else{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Removes a user from a group
|
|
* @param string $uid Name of the user to remove from group
|
|
* @param string $gid Name of the group from which remove the user
|
|
* @return bool
|
|
*
|
|
* removes the user from a group.
|
|
*/
|
|
public function removeFromGroup( $uid, $gid ) {
|
|
$this->fixDI();
|
|
|
|
$qb = $this->dbConn->getQueryBuilder();
|
|
$qb->delete('group_user')
|
|
->where($qb->expr()->eq('uid', $qb->createNamedParameter($uid)))
|
|
->andWhere($qb->expr()->eq('gid', $qb->createNamedParameter($gid)))
|
|
->execute();
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* 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 ) {
|
|
$this->fixDI();
|
|
|
|
// No magic!
|
|
$qb = $this->dbConn->getQueryBuilder();
|
|
$cursor = $qb->select('gid')
|
|
->from('group_user')
|
|
->where($qb->expr()->eq('uid', $qb->createNamedParameter($uid)))
|
|
->execute();
|
|
|
|
$groups = [];
|
|
while( $row = $cursor->fetch()) {
|
|
$groups[] = $row["gid"];
|
|
$this->groupCache[$row['gid']] = $row['gid'];
|
|
}
|
|
$cursor->closeCursor();
|
|
|
|
return $groups;
|
|
}
|
|
|
|
/**
|
|
* 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 = null, $offset = null) {
|
|
$parameters = [];
|
|
$searchLike = '';
|
|
if ($search !== '') {
|
|
$parameters[] = '%' . $search . '%';
|
|
$searchLike = ' WHERE LOWER(`gid`) LIKE LOWER(?)';
|
|
}
|
|
|
|
$stmt = \OC_DB::prepare('SELECT `gid` FROM `*PREFIX*groups`' . $searchLike . ' ORDER BY `gid` ASC', $limit, $offset);
|
|
$result = $stmt->execute($parameters);
|
|
$groups = array();
|
|
while ($row = $result->fetchRow()) {
|
|
$groups[] = $row['gid'];
|
|
}
|
|
return $groups;
|
|
}
|
|
|
|
/**
|
|
* check if a group exists
|
|
* @param string $gid
|
|
* @return bool
|
|
*/
|
|
public function groupExists($gid) {
|
|
$this->fixDI();
|
|
|
|
// Check cache first
|
|
if (isset($this->groupCache[$gid])) {
|
|
return true;
|
|
}
|
|
|
|
$qb = $this->dbConn->getQueryBuilder();
|
|
$cursor = $qb->select('gid')
|
|
->from('groups')
|
|
->where($qb->expr()->eq('gid', $qb->createNamedParameter($gid)))
|
|
->execute();
|
|
$result = $cursor->fetch();
|
|
$cursor->closeCursor();
|
|
|
|
if ($result !== false) {
|
|
$this->groupCache[$gid] = $gid;
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* 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 = null, $offset = null) {
|
|
$parameters = [$gid];
|
|
$searchLike = '';
|
|
if ($search !== '') {
|
|
$parameters[] = '%' . $this->dbConn->escapeLikeParameter($search) . '%';
|
|
$searchLike = ' AND `uid` LIKE ?';
|
|
}
|
|
|
|
$stmt = \OC_DB::prepare('SELECT `uid` FROM `*PREFIX*group_user` WHERE `gid` = ?' . $searchLike . ' ORDER BY `uid` ASC',
|
|
$limit,
|
|
$offset);
|
|
$result = $stmt->execute($parameters);
|
|
$users = array();
|
|
while ($row = $result->fetchRow()) {
|
|
$users[] = $row['uid'];
|
|
}
|
|
return $users;
|
|
}
|
|
|
|
/**
|
|
* get the number of all users matching the search string in a group
|
|
* @param string $gid
|
|
* @param string $search
|
|
* @return int|false
|
|
* @throws \OC\DatabaseException
|
|
*/
|
|
public function countUsersInGroup($gid, $search = '') {
|
|
$parameters = [$gid];
|
|
$searchLike = '';
|
|
if ($search !== '') {
|
|
$parameters[] = '%' . $this->dbConn->escapeLikeParameter($search) . '%';
|
|
$searchLike = ' AND `uid` LIKE ?';
|
|
}
|
|
|
|
$stmt = \OC_DB::prepare('SELECT COUNT(`uid`) AS `count` FROM `*PREFIX*group_user` WHERE `gid` = ?' . $searchLike);
|
|
$result = $stmt->execute($parameters);
|
|
$count = $result->fetchOne();
|
|
if($count !== false) {
|
|
$count = intval($count);
|
|
}
|
|
return $count;
|
|
}
|
|
|
|
}
|