326 lines
No EOL
8.6 KiB
PHP
326 lines
No EOL
8.6 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 2010 Frank Karlitschek karlitschek@kde.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 Lesser 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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if(!$CONFIG_INSTALLED){
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$_SESSION['user_id']=false;
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$_SESSION['username']='';
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$_SESSION['username_clean']='';
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}
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//cache the userid's an groupid's
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if(!isset($_SESSION['user_id_cache'])){
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$_SESSION['user_id_cache']=array();
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}
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if(!isset($_SESSION['group_id_cache'])){
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$_SESSION['group_id_cache']=array();
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}
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/**
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* Class for usermanagement
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*
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*/
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class OC_USER {
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/**
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* check if the login button is pressed and logg the user in
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*
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*/
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public static function loginLisener(){
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if(isset($_POST['loginbutton']) and isset($_POST['password']) and isset($_POST['login'])){
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if(OC_USER::login($_POST['login'],$_POST['password'])){
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echo 1;
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OC_LOG::event($_SESSION['username'],1,'');
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echo 2;
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if((isset($CONFIG_HTTPFORCESSL) and $CONFIG_HTTPFORCESSL) or isset($_SERVER['HTTPS']) and $_SERVER['HTTPS'] == 'on') {
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$url = "https://". $_SERVER['SERVER_NAME'] . $_SERVER['REQUEST_URI'];
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}else{
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$url = "http://". $_SERVER['SERVER_NAME'] . $_SERVER['REQUEST_URI'];
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}
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header("Location: $url");
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die();
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}else{
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return('error');
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}
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}
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return('');
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}
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/**
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* try to create a new user
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*
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*/
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public static function createUser($username,$password){
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global $CONFIG_DBTABLEPREFIX;
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if(OC_USER::getuserid($username,true)!=0){
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return false;
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}else{
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$usernameclean=strtolower($username);
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$password=sha1($password);
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$username=OC_DB::escape($username);
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$usernameclean=OC_DB::escape($usernameclean);
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$query="INSERT INTO `{$CONFIG_DBTABLEPREFIX}users` (`user_name` ,`user_name_clean` ,`user_password`) VALUES ('$username', '$usernameclean', '$password')";
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$result=OC_DB::query($query);
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return ($result)?true:false;
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}
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}
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/**
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* try to login a user
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*
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*/
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public static function login($username,$password){
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global $CONFIG_DBTABLEPREFIX;
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$password=sha1($password);
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$usernameclean=strtolower($username);
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$username=OC_DB::escape($username);
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$usernameclean=OC_DB::escape($usernameclean);
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$query = "SELECT user_id FROM {$CONFIG_DBTABLEPREFIX}users WHERE user_name_clean = '$usernameclean' AND user_password = '$password' LIMIT 1";
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$result=OC_DB::select($query);
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if(isset($result[0]) && isset($result[0]['user_id'])){
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$_SESSION['user_id']=$result[0]['user_id'];
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$_SESSION['username']=$username;
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$_SESSION['username_clean']=$usernameclean;
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return true;
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}else{
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return false;
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}
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}
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/**
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* check if the logout button is pressed and logout the user
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*
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*/
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public static function logoutLisener(){
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if(isset($_GET['logoutbutton']) && isset($_SESSION['username'])){
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OC_LOG::event($_SESSION['username'],2,'');
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$_SESSION['user_id']=false;
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$_SESSION['username']='';
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$_SESSION['username_clean']='';
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}
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}
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/**
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* check if a user is logged in
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*
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*/
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public static function isLoggedIn(){
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return (isset($_SESSION['user_id']) && $_SESSION['user_id'])?true:false;
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}
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/**
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* try to create a new group
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*
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*/
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public static function createGroup($groupname){
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global $CONFIG_DBTABLEPREFIX;
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if(OC_USER::getgroupid($groupname,true)==0){
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$groupname=OC_DB::escape($groupname);
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$query="INSERT INTO `{$CONFIG_DBTABLEPREFIX}groups` (`group_name`) VALUES ('$groupname')";
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$result=OC_DB::query($query);
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return ($result)?true:false;
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}else{
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return false;
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}
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}
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/**
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* get the id of a user
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*
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*/
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public static function getUserId($username,$nocache=false){
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global $CONFIG_DBTABLEPREFIX;
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$usernameclean=strtolower($username);
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if(!$nocache and isset($_SESSION['user_id_cache'][$usernameclean])){//try to use cached value to save an sql query
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return $_SESSION['user_id_cache'][$usernameclean];
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}
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$usernameclean=OC_DB::escape($usernameclean);
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$query="SELECT user_id FROM {$CONFIG_DBTABLEPREFIX}users WHERE user_name_clean = '$usernameclean'";
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$result=OC_DB::select($query);
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if(!is_array($result)){
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return 0;
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}
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if(isset($result[0]) && isset($result[0]['user_id'])){
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$_SESSION['user_id_cache'][$usernameclean]=$result[0]['user_id'];
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return $result[0]['user_id'];
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}else{
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return 0;
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}
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}
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/**
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* get the id of a group
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*
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*/
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public static function getGroupId($groupname,$nocache=false){
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global $CONFIG_DBTABLEPREFIX;
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if(!$nocache and isset($_SESSION['group_id_cache'][$groupname])){//try to use cached value to save an sql query
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return $_SESSION['group_id_cache'][$groupname];
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}
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$groupname=OC_DB::escape($groupname);
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$query="SELECT group_id FROM {$CONFIG_DBTABLEPREFIX}groups WHERE group_name = '$groupname'";
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$result=OC_DB::select($query);
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if(!is_array($result)){
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return 0;
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}
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if(isset($result[0]) && isset($result[0]['group_id'])){
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$_SESSION['group_id_cache'][$groupname]=$result[0]['group_id'];
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return $result[0]['group_id'];
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}else{
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return 0;
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}
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}
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/**
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* get the name of a group
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*
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*/
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public static function getGroupName($groupid,$nocache=false){
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global $CONFIG_DBTABLEPREFIX;
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if($nocache and $name=array_search($groupid,$_SESSION['group_id_cache'])){//try to use cached value to save an sql query
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return $name;
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}
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$groupid=(integer)$groupid;
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$query="SELECT group_name FROM {$CONFIG_DBTABLEPREFIX}groups WHERE group_id = '$groupid' LIMIT 1";
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$result=OC_DB::select($query);
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if(isset($result[0]) && isset($result[0]['group_name'])){
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return $result[0]['group_name'];
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}else{
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return 0;
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}
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}
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/**
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* check if a user belongs to a group
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*
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*/
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public static function inGroup($username,$groupname){
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global $CONFIG_DBTABLEPREFIX;
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$userid=OC_USER::getuserid($username);
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$groupid=OC_USER::getgroupid($groupname);
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if($groupid>0 and $userid>0){
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$query="SELECT * FROM {$CONFIG_DBTABLEPREFIX}user_group WHERE group_id = '$groupid' AND user_id = '$userid';";
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$result=OC_DB::select($query);
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if(isset($result[0]) && isset($result[0]['user_group_id'])){
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return true;
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}else{
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return false;
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}
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}else{
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return false;
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}
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}
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/**
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* add a user to a group
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*
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*/
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public static function addToGroup($username,$groupname){
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global $CONFIG_DBTABLEPREFIX;
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if(!OC_USER::ingroup($username,$groupname)){
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$userid=OC_USER::getuserid($username);
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$groupid=OC_USER::getgroupid($groupname);
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if($groupid!=0 and $userid!=0){
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$query="INSERT INTO `{$CONFIG_DBTABLEPREFIX}user_group` (`user_id` ,`group_id`) VALUES ('$userid', '$groupid');";
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$result=OC_DB::query($query);
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if($result){
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return true;
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}else{
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return false;
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}
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}else{
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return false;
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}
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}else{
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return true;
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}
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}
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public static function generatePassword(){
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return uniqid();
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}
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/**
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* get all groups the user belongs to
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*
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*/
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public static function getUserGroups($username){
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global $CONFIG_DBTABLEPREFIX;
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$userid=OC_USER::getuserid($username);
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$query = "SELECT group_id FROM {$CONFIG_DBTABLEPREFIX}user_group WHERE user_id = '$userid'";
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$result=OC_DB::select($query);
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$groups=array();
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if(is_array($result)){
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foreach($result as $group){
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$groupid=$group['group_id'];
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$groups[]=OC_USER::getgroupname($groupid);
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}
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}
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return $groups;
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}
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/**
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* set the password of a user
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*
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*/
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public static function setPassword($username,$password){
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global $CONFIG_DBTABLEPREFIX;
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$password=sha1($password);
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$userid=OC_USER::getuserid($username);
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$query = "UPDATE {$CONFIG_DBTABLEPREFIX}users SET user_password = '$password' WHERE user_id ='$userid'";
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$result=OC_DB::query($query);
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if($result){
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return true;
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}else{
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return false;
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}
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}
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/**
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* check the password of a user
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*
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*/
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public static function checkPassword($username,$password){
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global $CONFIG_DBTABLEPREFIX;
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$password=sha1($password);
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$usernameclean=strtolower($username);
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$username=OC_DB::escape($username);
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$usernameclean=OC_DB::escape($usernameclean);
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$query = "SELECT user_id FROM '{$CONFIG_DBTABLEPREFIX}users' WHERE user_name_clean = '$usernameclean' AND user_password = '$password' LIMIT 1";
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$result=OC_DB::select($query);
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if(isset($result[0]) && isset($result[0]['user_id']) && $result[0]['user_id']>0){
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return true;
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}else{
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return false;
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}
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}
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}
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?>
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