Código:
<?php error_reporting(E_ALL ^ E_NOTICE); session_start(); define('INCLUDE_CHECK',true); require 'connect.php'; require 'functions.php'; // Those two files can be included only if INCLUDE_CHECK is defined session_name('tzLogin'); // Starting the session session_set_cookie_params(2*7*24*60*60); // Making the cookie live for 2 weeks session_start(); if($_SESSION['id'] && !isset($_COOKIE['tzRemember']) && !$_SESSION['rememberMe']) { // If you are logged in, but you don't have the allnurseRemember cookie (browser restart) // and you have not checked the rememberMe checkbox: $_SESSION = array(); session_destroy(); // Destroy the session } if(isset($_GET['logoff'])) { $_SESSION = array(); session_destroy(); header("Location: demo.php"); exit; } if($_POST['submit']=='Login') { // Checking whether the Login form has been submitted $err = array(); // Will hold our errors if(!$_POST['username'] || !$_POST['password']) $err[] = 'All the fields must be filled in!'; if(!count($err)) { $_POST['username'] = mysql_real_escape_string($_POST['username']); $_POST['password'] = mysql_real_escape_string($_POST['password']); $_POST['rememberMe'] = (int)$_POST['rememberMe']; // Escaping all input data $row = mysql_fetch_assoc(mysql_query("SELECT id,usr FROM tz_members WHERE usr='{$_POST['username']}' AND pass='".md5($_POST['password'])."'")); if($row['usr']) { // If everything is OK login //$_SESSION['username']=$row['user']; $_SESSION['usr']=$row['usr']; $_SESSION['id'] = $row['id']; $_SESSION['type'] = $row['type']; $_SESSION['rememberMe'] = $_POST['rememberMe']; // Store some data in the session setcookie('tzRemember',$_POST['rememberMe']); } else $err[]='Wrong username and/or password!'; } if($err) $_SESSION['msg']['login-err'] = implode('<br />',$err); // Save the error messages in the session header("Location: demo.php"); exit; } else if($_POST['submit']=='Register') { // If the Register form has been submitted $err = array(); if(strlen($_POST['firstname'])>100) { $err[]='Your lastname must be less 100 characters!'; } if(!preg_match('/[^0-9\-\_\.]+/i',$_POST['firstname'])) { $err[]='Your firstname contains invalid characters!'; } if(strlen($_POST['lastname'])>100) { $err[]='Your lastname must be less 100 characters!'; } if(!preg_match('/[^0-9\-\_\.]+/i',$_POST['lastname'])) { $err[]='Your lastname contains invalid characters!'; } if(strlen($_POST['username'])<4 || strlen($_POST['username'])>100) { $err[]='Your username must be between 4 and 100 characters!'; } if(preg_match('/[^a-z0-9\-\_\.]+/i',$_POST['username'])) { $err[]='Your username contains invalid characters!'; } if(strlen($_POST['password'])<6 || strlen($_POST['password'])>32) { $err[]='Your username must be between 6 and 32 characters!'; } if(preg_match('/[^a-z0-9\-\_\.]+/i',$_POST['password'])) { $err[]='Your password is weak!'; } if($_POST['repassword']!=$_POST['password']) { $err[]='Your retype password is different than password!'; } if(!checkEmail($_POST['email'])) { $err[]='Your email is not valid!'; } if(!count($err)) { // If there are no errors $_POST['email'] = mysql_real_escape_string($_POST['email']); $_POST['password'] = mysql_real_escape_string($_POST['password']); $_POST['username'] = mysql_real_escape_string($_POST['username']); $_POST['firstname'] = mysql_real_escape_string($_POST['firstname']); $_POST['lastname'] = mysql_real_escape_string($_POST['lastname']); $_POST['type'] = mysql_real_escape_string($_POST['type']); // Escape the input data mysql_query(" INSERT INTO tz_members(firstname,lastname,user,password,email,type,dt) VALUES('".$_POST['firstname']."','".$_POST['lastname']."','".$_POST['username']."','".md5($_POST['password'])."','".$_POST['email']."','".$_POST['type']."',NOW())"); if(mysql_affected_rows($link)==1) { send_mail( '[email protected]', $_POST['email'], 'Registration for page', 'Your username is: '.$username.'\n Your password is: '.$password); $_SESSION['msg']['reg-success']='We sent you an email with your login data!'; } else $err[]='This username is already taken!'; } if(count($err)) { $_SESSION['msg']['reg-err'] = implode('<br />',$err); } header("Location: demo.php"); exit; } $script = ''; if($_SESSION['msg']) { // The script below shows the sliding panel on page load $script = ' <script type="text/javascript"> $(function(){ $("div#panel").show(); $("#toggle a").toggle(); }); </script>'; } ?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>A Cool Login System With PHP MySQL & jQuery | Tutorialzine demo</title> <link rel="stylesheet" type="text/css" href="demo.css" media="screen" /> <link rel="stylesheet" type="text/css" href="login_panel/css/slide.css" media="screen" /> <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js"></script> <!-- PNG FIX for IE6 --> <!-- http://24ways.org/2007/supersleight-transparent-png-in-ie6 --> <!--[if lte IE 6]> <script type="text/javascript" src="login_panel/js/pngfix/supersleight-min.js"></script> <![endif]--> <script src="login_panel/js/slide.js" type="text/javascript"></script> <?php echo $script; ?> </head> <body> <!-- Panel --> <div id="toppanel"> <div id="panel"> <div class="content clearfix"> <?php if(!$_SESSION['id']): ?> <div class="left"> <!-- Login Form --> <form class="clearfix" action="" method="post"> <h1>Member Login</h1> <?php if($_SESSION['msg']['login-err']) { echo '<div class="err">'.$_SESSION['msg']['login-err'].'</div>'; unset($_SESSION['msg']['login-err']); } ?> <label class="grey" for="username">Login ID:</label> <input class="field" type="text" name="username" id="username" value="" size="23" /> <label class="grey" for="password">Password:</label> <input class="field" type="password" name="password" id="password" size="23" /> <label><input name="rememberMe" id="rememberMe" type="checkbox" checked="checked" value="1" /> Remember me</label> <div class="clear"></div> <input type="submit" name="submit" value="Login" class="bt_login" /> </form> </div> <form action="" method="post"> <div class="left right"> <!-- Register Form --> <h1>Not a member yet? Sign Up!</h1> <?php if($_SESSION['msg']['reg-err']) { echo '<div class="err">'.$_SESSION['msg']['reg-err'].'</div>'; unset($_SESSION['msg']['reg-err']); }