125 lines
3.2 KiB
PHP
125 lines
3.2 KiB
PHP
<?php
|
|
/**
|
|
* Copyright (c) 2012 Robin Appelman <icewind@owncloud.com>
|
|
* This file is licensed under the Affero General Public License version 3 or
|
|
* later.
|
|
* See the COPYING-README file.
|
|
*/
|
|
|
|
namespace OC\Files\Cache;
|
|
|
|
class Permissions {
|
|
/**
|
|
* @var string $storageId
|
|
*/
|
|
private $storageId;
|
|
|
|
/**
|
|
* @param \OC\Files\Storage\Storage|string $storage
|
|
*/
|
|
public function __construct($storage) {
|
|
if ($storage instanceof \OC\Files\Storage\Storage) {
|
|
$this->storageId = $storage->getId();
|
|
} else {
|
|
$this->storageId = $storage;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* get the permissions for a single file
|
|
*
|
|
* @param int $fileId
|
|
* @param string $user
|
|
* @return int (-1 if file no permissions set)
|
|
*/
|
|
public function get($fileId, $user) {
|
|
$query = \OC_DB::prepare('SELECT `permissions` FROM `*PREFIX*permissions` WHERE `user` = ? AND `fileid` = ?');
|
|
$result = $query->execute(array($user, $fileId));
|
|
if ($row = $result->fetchRow()) {
|
|
return $row['permissions'];
|
|
} else {
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* set the permissions of a file
|
|
*
|
|
* @param int $fileId
|
|
* @param string $user
|
|
* @param int $permissions
|
|
*/
|
|
public function set($fileId, $user, $permissions) {
|
|
if (self::get($fileId, $user) !== -1) {
|
|
$query = \OC_DB::prepare('UPDATE `*PREFIX*permissions` SET `permissions` = ?'
|
|
. ' WHERE `user` = ? AND `fileid` = ?');
|
|
} else {
|
|
$query = \OC_DB::prepare('INSERT INTO `*PREFIX*permissions`(`permissions`, `user`, `fileid`)'
|
|
. ' VALUES(?, ?,? )');
|
|
}
|
|
$query->execute(array($permissions, $user, $fileId));
|
|
}
|
|
|
|
/**
|
|
* get the permissions of multiply files
|
|
*
|
|
* @param int[] $fileIds
|
|
* @param string $user
|
|
* @return int[]
|
|
*/
|
|
public function getMultiple($fileIds, $user) {
|
|
if (count($fileIds) === 0) {
|
|
return array();
|
|
}
|
|
$params = $fileIds;
|
|
$params[] = $user;
|
|
$inPart = implode(', ', array_fill(0, count($fileIds), '?'));
|
|
|
|
$query = \OC_DB::prepare('SELECT `fileid`, `permissions` FROM `*PREFIX*permissions`'
|
|
. ' WHERE `fileid` IN (' . $inPart . ') AND `user` = ?');
|
|
$result = $query->execute($params);
|
|
$filePermissions = array();
|
|
while ($row = $result->fetchRow()) {
|
|
$filePermissions[$row['fileid']] = $row['permissions'];
|
|
}
|
|
return $filePermissions;
|
|
}
|
|
|
|
/**
|
|
* remove the permissions for a file
|
|
*
|
|
* @param int $fileId
|
|
* @param string $user
|
|
*/
|
|
public function remove($fileId, $user = null) {
|
|
if (is_null($user)) {
|
|
$query = \OC_DB::prepare('DELETE FROM `*PREFIX*permissions` WHERE `fileid` = ?');
|
|
$query->execute(array($fileId));
|
|
} else {
|
|
$query = \OC_DB::prepare('DELETE FROM `*PREFIX*permissions` WHERE `fileid` = ? AND `user` = ?');
|
|
$query->execute(array($fileId, $user));
|
|
}
|
|
}
|
|
|
|
public function removeMultiple($fileIds, $user) {
|
|
$query = \OC_DB::prepare('DELETE FROM `*PREFIX*permissions` WHERE `fileid` = ? AND `user` = ?');
|
|
foreach ($fileIds as $fileId) {
|
|
$query->execute(array($fileId, $user));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* get the list of users which have permissions stored for a file
|
|
*
|
|
* @param int $fileId
|
|
*/
|
|
public function getUsers($fileId) {
|
|
$query = \OC_DB::prepare('SELECT `user` FROM `*PREFIX*permissions` WHERE `fileid` = ?');
|
|
$result = $query->execute(array($fileId));
|
|
$users = array();
|
|
while ($row = $result->fetchRow()) {
|
|
$users[] = $row['user'];
|
|
}
|
|
return $users;
|
|
}
|
|
}
|