验证登陆类代码,PHP代码库,德仔网

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【PHP】验证登陆类
作者:Hardy / 发布于2015/10/13/ 610

	用法

	/*
	* 例子
	*
	* $Auth=new Auth();
	* $Auth->login("123@123.com","123");
	* $Auth->logout();
	* echo $r->init();
	*
	**/

	<?php
	
	
	/*
	*
	* @ID: 验证登陆类
	*
	* @class: Auth.class.php
	*
	* @auther: 欣儿
	*
	* @time: 2015/03/12
	*
	* @web: http://my.oschina.net/xinger
	*
	**/
	
	
	classAuth {
	 //外部设置
	 //cookie设置
	 var$cookie_time;// 7200
	 var$cookie_where;// '/'
	 var$cookie_domain;// 'yourweb.com'
	 var$cookie_secure;// 1和0
	 //数据库设置
	 var$select_uid;// 'uid'
	 var$select_table;// 'user'
	 var$select_usersname;// 'email'
	 var$select_password;// 'password'
	 //盐
	 var$salt;// "12332"
	 var$guest_name;// 'Guest'
	 //用户获取值
	 var$user_id;
	 var$username;
	 var$ok;
	 var$pre;// 'auth_'
	 var$depr;// '-'
	
	 //内部变量
	 private$pre_username;
	 private$pre_password;
	
	 publicfunction__construct($config=array()){
	 $this->set($config);
	
	 $this->pre_username=sha1(md5($this->pre.'username'));
	 $this->pre_password=sha1(md5($this->pre.'password'));
	 }
	
	 publicfunctionset($config){
	 $this->cookie_time = isset($config['cookie_time'])?$config['cookie_time']: 7200;
	 $this->cookie_where = isset($config['cookie_where'])?$config['cookie_where']:'/';
	 $this->cookie_domain = isset($config['cookie_domain'])?$config['cookie_domain']:'';
	 $this->cookie_secure = isset($config['cookie_secure'])?$config['cookie_secure']:'';
	
	 $this->select_uid = isset($config['select_uid'])?$config['select_uid']:'uid';
	 $this->select_table = isset($config['select_table'])?$config['select_table']:'table';
	 $this->select_usersname = isset($config['select_usersname'])?$config['select_usersname']:'user_name';
	 $this->select_password = isset($config['select_password'])?$config['select_password']:'password';
	
	 $this->salt = isset($config['salt'])?$config['salt']:'sghsdghsdg';//
	 $this->guest_name = isset($config['guest_name'])?$config['guest_name']:'Guest';//
	
	 $this->pre = isset($config['auth'])?$config['auth']:'auth_';
	 $this->depr = isset($config['depr'])?$config['depr']:'-';
	 }
	 //
	 publicfunctioninit(){
	 $this->user_id = 0;
	 $this->username =$this->guest_name;
	 $this->ok = false;
	
	 if(!$this->check_session()){
	 $this->check_cookie();
	 }
	
	 return$this->ok;
	 }
	 //验证SESSION
	 privatefunctioncheck_session(){
	 if(!empty($_SESSION[$this->pre_username])&&!empty($_SESSION[$this->pre_password])){
	 return$this->check($_SESSION[$this->pre_username],$_SESSION[$this->pre_password]);
	 }else{
	 returnfalse;
	 }
	 }
	 //验证COOKIE
	 privatefunctioncheck_cookie(){
	 if(!empty($_COOKIE[$this->pre_username])&&!empty($_COOKIE[$this->pre_password])){
	 return$this->check($_COOKIE[$this->pre_username],$_COOKIE[$this->pre_password]);
	 }else{
	 returnfalse;
	 }
	 }
	 //登陆
	 publicfunctionlogin($username,$password){
	 $sql ="select ".$this->select_uid." from ".$this->select_table." where ".$this->select_usersname."='$username' and ".$this->select_password."='$password'";
	 $result= mysql_query($sql);
	 $rows = mysql_num_rows($sql);
	
	 if($rows==1){
	 $this->user_id = mysql_result($result,0,0);
	 $this->username =$username;
	 $this->ok = true;
	
	 $username =$username.$this->depr.$this->get_ip();
	 $user_name =$this->encrypt($username,'E',$this->salt);
	
	 $_SESSION[$this->pre_username]=$user_name;
	 $_SESSION[$this->pre_password]=md5(md5($password,$this->salt));
	 setcookie($this->pre_username,$user_name,time()+$this->cookie_time,$this->cookie_where,$this->cookie_domain,$this->cookie_secure);
	 setcookie($this->pre_password,md5(md5($password,$this->salt)),time()+$this->cookie_time,$this->cookie_where,$this->cookie_domain,$this->cookie_secure);
	
	 returntrue;
	 }
	 returnfalse;
	 }
	 //验证
	 privatefunctioncheck($username,$password){
	 $user_name =$this->encrypt($username,'D',$this->salt);
	 $name =explode($this->depr,$user_name);
	 $username =$name[0];
	 $ip = isset($name[1]) ?$name[1] : NULL;
	 if($ip!==$this->get_ip())returnfalse;
	
	 static$vars=array();
	 if(!empty($vars)&&is_array($vars)&&isset($vars[$username.$password])){
	 $this->user_id =$vars['user_id'];
	 $this->username =$vars['username'];
	 $this->ok =$vars['ok'];
	 returntrue;
	 }
	
	 $sql ="select ".$this->select_uid.",".$this->select_password." from ".$this->select_table." where ".$this->select_usersname."='$username'";
	 $query = mysql_query($sql);
	 $result= mysql_fetch_array($query);
	 $row = mysql_num_rows($sql);
	
	 if($row== 1){
	 $db_password=$result[$this->select_password];
	 if(md5(md5($db_password,$this->salt)) ==$password){
	 $this->user_id =$vars['user_id'] =$result[$this->select_uid];
	 $this->username =$vars['username'] =$username;
	 $this->ok =$vars['ok'] = true;
	 $vars[$username.$password] = md5($username.$password);
	 returntrue;
	 }
	 }
	 returnfalse;
	 }
	 //退出
	 publicfunctionlogout(){
	 $this->user_id = 0;
	 $this->username =$this->guest_name;
	 $this->ok = false;
	
	 $_SESSION[$this->pre_username]="";
	 $_SESSION[$this->pre_password]="";
	 setcookie($this->pre_username,"",time()-$this->cookie_time,$this->cookie_where,$this->cookie_domain,$this->cookie_secure);
	 setcookie($this->pre_password,"",time()-$this->cookie_time,$this->cookie_where,$this->cookie_domain,$this->cookie_secure);
	 }
	
	 //加密
	 publicfunctionencrypt($string,$operation,$key='') {
	 $key=md5($key);
	 $key_length=strlen($key);
	 $string=$operation=='D'?base64_decode($string):substr(md5($string.$key),0,8).$string;
	 $string_length=strlen($string);
	 $rndkey=$box=array();
	 $result='';
	 for($i=0;$i<=255;$i++)
	 {
	 $rndkey[$i]=ord($key[$i%$key_length]);
	 $box[$i]=$i;
	 }
	 for($j=$i=0;$i<256;$i++)
	 {
	 $j=($j+$box[$i]+$rndkey[$i])%256;
	 $tmp=$box[$i];
	 $box[$i]=$box[$j];
	 $box[$j]=$tmp;
	 }
	 for($a=$j=$i=0;$i<$string_length;$i++)
	 {
	 $a=($a+1)%256;
	 $j=($j+$box[$a])%256;
	 $tmp=$box[$a];
	 $box[$a]=$box[$j];
	 $box[$j]=$tmp;
	 $result.=chr(ord($string[$i])^($box[($box[$a]+$box[$j])%256]));
	 }
	 if($operation=='D')
	 {
	 if(substr($result,0,8)==substr(md5(substr($result,8).$key),0,8))
	 {
	 returnsubstr($result,8);
	 }
	 else
	 {
	 return'';
	 }
	 }
	 else
	 {
	 returnstr_replace('=','',base64_encode($result));
	 }
	 }
	
	 publicfunctionget_ip() {
	 return$_SERVER['REMOTE_ADDR'];
	 }
	}
	?>

	* 例子
	*
	* $Auth=new Auth();
	* $Auth->login("123@123.com","123");
	* $Auth->logout();
	* echo $r->init();
	*
	**/
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