server/inc/lib_user.php

277 lines
No EOL
7 KiB
PHP

<?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 Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
*/
if(!$CONFIG_INSTALLED){
$_SESSION['user_id']=false;
$_SESSION['username']='';
$_SESSION['username_clean']='';
}
/**
* Class for usermanagement
*
*/
class OC_USER {
/**
* check if the login button is pressed and logg the user in
*
*/
public static function loginlisener(){
if(isset($_POST['loginbutton']) and isset($_POST['password']) and isset($_POST['login'])){
if(OC_USER::login($_POST['login'],$_POST['password'])){
OC_LOG::event($_SESSION['username'],1,'');
return('');
}else{
return('error');
}
}
return('');
}
/**
* try to create a new user
*
*/
public static function createuser($username,$password){
if(OC_USER::getuserid($username)!=0){
return false;
}else{
$password=sha1($password);
$usernameclean=strtolower($username);
$username=mysql_escape_string($username);
$usernameclean=mysql_escape_string($usernameclean);
$query="INSERT INTO `users` (`user_id` ,`user_name` ,`user_name_clean` ,`user_password`)VALUES (NULL , '$username', '$usernameclean', '$password')";
$result=OC_DB::query($query);
return ($result)?true:false;
}
}
/**
* try to login a user
*
*/
public static function login($username,$password){
$password=sha1($password);
$usernameclean=strtolower($username);
$username=mysql_escape_string($username);
$usernameclean=mysql_escape_string($usernameclean);
$query="SELECT user_id FROM `users` WHERE `user_name_clean` = '$usernameclean' AND `user_password` = '$password' LIMIT 1";
$result=OC_DB::select($query);
if(isset($result[0]) && isset($result[0]['user_id'])){
$_SESSION['user_id']=$result[0]['user_id'];
$_SESSION['username']=$username;
$_SESSION['username_clean']=$usernameclean;
return true;
}else{
return false;
}
}
/**
* check if the logout button is pressed and logout the user
*
*/
public static function logoutlisener(){
if(isset($_GET['logoutbutton']) && isset($_SESSION['username'])){
OC_LOG::event($_SESSION['username'],2,'');
$_SESSION['user_id']=false;
$_SESSION['username']='';
$_SESSION['username_clean']='';
}
}
/**
* check if a user is logged in
*
*/
public static function isLoggedIn(){
return (isset($_SESSION['user_id']) && $_SESSION['user_id'])?true:false;
}
/**
* try to create a new group
*
*/
public static function creategroup($groupname){
if(OC_USER::getgroupid($groupname)==0){
$groupname=mysql_escape_string($groupname);
$query="INSERT INTO `groups` (`group_id` ,`group_name`) VALUES (NULL , '$groupname');";
$result=OC_DB::query($query);
return ($result)?true:false;
}else{
return false;
}
}
/**
* get the id of a user
*
*/
public static function getuserid($username){
$usernameclean=strtolower($username);
$username=mysql_escape_string($username);
$usernameclean=mysql_escape_string($usernameclean);
$query="SELECT user_id FROM `users` WHERE `user_name_clean` = '$usernameclean' LIMIT 1";
$result=OC_DB::select($query);
if(isset($result[0]) && isset($result[0]['user_id'])){
return $result[0]['user_id'];
}else{
return 0;
}
}
/**
* get the id of a group
*
*/
public static function getgroupid($groupname){
$groupname=mysql_escape_string($groupname);
$query="SELECT group_id FROM `groups` WHERE `group_name` = '$groupname' LIMIT 1";
$result=OC_DB::select($query);
if(isset($result[0]) && isset($result[0]['group_id'])){
return $result[0]['group_id'];
}else{
return 0;
}
}
/**
* get the name of a group
*
*/
public static function getgroupname($groupid){
$groupid=(integer)$groupid;
$query="SELECT group_name FROM `groups` WHERE `group_id` = '$groupid' LIMIT 1";
$result=OC_DB::select($query);
if(isset($result[0]) && isset($result[0]['group_name'])){
return $result[0]['group_name'];
}else{
return 0;
}
}
/**
* check if a user belongs to a group
*
*/
public static function ingroup($username,$groupname){
$userid=OC_USER::getuserid($username);
$groupid=OC_USER::getgroupid($groupname);
if($groupid>0 and $userid>0){
$query="SELECT user_group_id FROM `user_group` WHERE `group_id` = '$groupid ' AND `user_id` = '$userid 'LIMIT 1";
$result=OC_DB::select($query);
if(isset($result[0]) && isset($result[0]['user_group_id'])){
return true;
}else{
return false;
}
}else{
return false;
}
}
/**
* add a user to a group
*
*/
public static function addtogroup($username,$groupname){
if(!OC_USER::ingroup($username,$groupname)){
$userid=OC_USER::getuserid($username);
$groupid=OC_USER::getgroupid($groupname);
if($groupid!=0 and $userid!=0){
$query="INSERT INTO `user_group` (`user_group_id` ,`user_id` ,`group_id`) VALUES (NULL , '$userid', '$groupid');";
$result=OC_DB::query($query);
if($result){
return true;
}else{
return false;
}
}else{
return false;
}
}else{
return true;
}
}
public static function generatepassword(){
return uniqid();
}
/**
* get all groups the user belongs to
*
*/
public static function getusergroups($username){
$userid=OC_USER::getuserid($username);
$query="SELECT group_id FROM `user_group` WHERE `user_id` = '$userid'";
$result=OC_DB::select($query);
$groups=array();
if(is_array($result)){
foreach($result as $group){
$groupid=$group['group_id'];
$groups[]=OC_USER::getgroupname($groupid);
}
}
return $groups;
}
/**
* set the password of a user
*
*/
public static function setpassword($username,$password){
$password=sha1($password);
$userid=OC_USER::getuserid($username);
$query="UPDATE `users` SET `user_password` = '$password' WHERE `user_id` =$userid LIMIT 1 ;";
$result=OC_DB::query($query);
if($result){
return true;
}else{
return false;
}
}
/**
* check the password of a user
*
*/
public static function checkpassword($username,$password){
$password=sha1($password);
$usernameclean=strtolower($username);
$username=mysql_escape_string($username);
$usernameclean=mysql_escape_string($usernameclean);
$query="SELECT user_id FROM `users` WHERE `user_name_clean` = '$usernameclean' AND `user_password` = '$password' LIMIT 1";
$result=OC_DB::select($query);
if(isset($result[0]) && isset($result[0]['user_id']) && $result[0]['user_id']>0){
return true;
}else{
return false;
}
}
}
?>