PHP 验证登陆类
程序员文章站
2024-02-17 21:36:40
...
简单的登录类,没有把登录和数据库查询分开 PHP /* * 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
简单的登录类,没有把登录和数据库查询分开 PHP
/* * 例子 * * $Auth=new Auth(); * $Auth->login("123@123.com","123"); * $Auth->logout(); * echo $r->init(); * **/
set($config); $this->pre_username=sha1(md5($this->pre.'username')); $this->pre_password=sha1(md5($this->pre.'password')); } public function set($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']:'-'; } // public function init(){ $this->user_id = 0; $this->username = $this->guest_name; $this->ok = false; if(!$this->check_session()){ $this->check_cookie(); } return $this->ok; } //验证SESSION private function check_session(){ if(!empty($_SESSION[$this->pre_username])&&!empty($_SESSION[$this->pre_password])){ return $this->check($_SESSION[$this->pre_username],$_SESSION[$this->pre_password]); } else { return false; } } //验证COOKIE private function check_cookie(){ if(!empty($_COOKIE[$this->pre_username])&&!empty($_COOKIE[$this->pre_password])){ return $this->check($_COOKIE[$this->pre_username],$_COOKIE[$this->pre_password]); } else { return false; } } //登陆 public function login($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); $rows = mysql_num_rows($result); 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,$this->cookie_secure); return true; } return false; } //验证 private function check($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()) return false; 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']; return true; } $sql = "select ".$this->select_uid.",".$this->select_password." from ".$this->select_table." where ".$this->select_usersname."='$username'"; $query = mysql_query($sql); $result = mysql_fetch_array($query); $row = mysql_num_rows($query); 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); return true; } } return false; } //退出 public function logout(){ $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 public function encrypt($string,$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
下一篇: ThinkPHP模版发动机之变量输出详解