userclass.inc.php

M-logger v0.3.1 中文版

<?
/**
* Title:	user operation
* File Name:	./class/UserClass.php
* Copyright (c) 2004 M-logger
* Author:	milkliker
* Modify:	milkliker
* Last Change:	16:58 04-8-5
* Version:	0.3.0
**/

class user extends txtdb{//START CLASS
var $user;
var $logined;	#用户已登陆true，未登陆false

/**
* get datas by username
*/
function userStart($userName){
$check=$this->get("'{name}'=='{$userName}'",false,null,'user');
if(empty($check)){//用户不存在时
return false;
}else{
foreach($check['value'] as $key=>$value){
$this->user[$key]=$value;
}
return true;
}
}

/**
* check pass
*/
function userLogin($userPass){
if($userPass == $this->user['pass'] and !empty($userPass)){
$this->logined=true;
return true;
}else{
$this->logined=false;
return false;
}
}

/**
* create a user
*/
function userCreat(){
$this->open("user",1);
if(!$this->get("'{name}'=='{$this->user['name']}'")){
$this->append($this->user,0);
$out=$this->save();
return $out;
}else{
return false;
}
}

/**
* update user profile
*/
function userChange(){
$this->open("user",1);
if($this->change($this->user,"'{name}'=='{$this->user['name']}'")){
$out=$this->save();
return $out;
}else{
return false;
}
}

/**
* set session
*/
function userSetSession(){
if($this->logined){
$_SESSION['username']=$this->user['name'];
$_SESSION['userpass']=$this->user['pass'];
return true;
}else{
return false;
}
}

/**
* set cookie
*/
function userSetCookie($cookietime="0"){
if(ereg("^[0-9]{1,20}$",$cookietime) and $this->logined){
$time=time() + $cookietime;
setcookie('username',$this->user['name'],$time);
setcookie('userpass',$this->user['pass'],$time);
return true;
}else{
return false;
}
}

/**
* check user datas
*/
function userCheck($user_info){
foreach($user_info as $key=>$value){
$this->user[$key]=str_replace(
array("\r","\n"),
array('',"<br>"),$value);
}
$this->user['pass'] = md5($this->user['pass']);
}

/**
* check user logined
*/
function userIsLogged(){
$this->user['rank']='4';//for safe!
$this->logined=0;
if(!empty($_SESSION['userpass'])){//如果session中保存有username
$this->userStart($_SESSION['username']);
if($this->userLogin($_SESSION['userpass'])){
$this->logined=true;
return true;
}else{
unset($this->user);
return false;
}
}elseif(!empty($_COOKIE['userpass'])){//如果session中未保存username,则直接检查cookie
$this->userStart($_COOKIE['username']);
if($this->userLogin($_COOKIE['userpass'])){
$this->userSetSession();
$this->logined=true;
return true;
}else{
unset($this->user);
return false;
}
}else{
unset($this->user);
$this->user['rank']='4';//for safe!
return false;
}
}

/**
* login out
*/
function userLoginOut(){
if($this->userIsLogged()){
setcookie('username');
setcookie('userpass');
//session_unset();
session_destroy();
return true;
}else{
return false;
}
}

}//END CLASS