Register and Login (User Account System) [part 06]
Posted: Fri Jan 20, 2012 11:47 pm
Hi there.
I have seen the part 6,
and when i refresh site to the login it well not show anything on the site at all its totaly white. And one last thing is it possible to get ur css code i love the set up u have on the login and register
The code is bellow here.
Regards
Hys
login.php
I have seen the part 6,
and when i refresh site to the login it well not show anything on the site at all its totaly white. And one last thing is it possible to get ur css code i love the set up u have on the login and register
The code is bellow here.
Regards
Hys
login.php
<?php
include('core/init.inc.php');
$errors = array();
if (isset($_POST['username'], $_POST['password'])) {
if (empty($_POST['username'])) {
$errors[] = 'The username cannot be empty.';
}
if (empty($_POST['password'])) {
$errors[] = 'The password cannot be empty.':
}
if (valid_credentials($_POST['username'], $_POST['password']) === false) {
$errors[] = 'Username / Password incorrect.';
}
if (empty($errors)) {
$_SESSION['username'] = htmlentities($_POST['username']);
header('Location: protected.php');
die();
}
}
?>
<!DOCTYPE html>
<html lang="da">
<head>
<meta charset="utf-8">
<title></title>
<link rel="stylesheet" type="text/css" href="ext/css/style.css" />
</head>
<body>
<div>
<?php
if (empty($errors) === false) {
?>
<ul>
<?php
foreach ($errors as $error) {
echo "<li>{$error}</li>";
}
?>
</ul>
<?php
} else {
echo 'Need an account ? <a href="register.php">Register here</a>';
}
?>
</div>
<form action="" method="post">
<p>
<label for="username">Username:</label>
<input type="text" name="username" id="username" value="<?php if (isset($_POST['username'])) echo htmlentities($_POST['username']); ?>" />
</p>
<p>
<label for="password">Password:</label>
<input type="password" name="password" id="password" />
</p>
<p>
<input type="submit" value="Login" />
</p>
</form>
</body>
</html>
logout.php
<?php
session_start();
$_SESSION = array();
session_destroy();
header('Location: protected.php');
?>
protected.php
<?php include('core/init.inc.php'); ?>
<!DOCTYPE html>
<html lang="da">
<head>
<meta charset="utf-8">
<title></title>
</head>
<body>
<p>
You are logged in as <?php echo $_SESSION['username']; ?>
</p>
<p>
<a href="logout.php">Logout ?</a>
</p>
</body>
</html>
register.php
<?php
include('core/init.inc.php');
$errors = array();
if (isset($_POST['username'], $_POST['password'], $_POST['repeat_password'])) {
if (empty($_POST['username'])) {
$errors[] = 'The username cannot be empty.';
}
if (empty($_POST['password']) || empty($_POST['repeat_password'])) {
$errors[] = 'The password cannot be empty.';
}
if ($_POST['password'] !== $_POST['repeat_password']) {
$errors[] = 'Password verification failed.';
}
if (user_exists($_POST['username'])) {
$errors[] = 'The username you entered is already taken.';
}
if (empty($errors)) {
add_user($_POST['username'], $_POST['password']);
$_SESSION['username'] = htmlentities($_POST['username']);
header('Location: protected.php');
die();
}
}
?>
<!DOCTYPE html>
<html lang="da">
<head>
<meta charset="utf-8">
<title></title>
<link rel="stylesheet" type="text/css" href="ext/css/style.css" />
</head>
<body>
<div>
<?php
if (empty($errors) === false) {
?>
<ul>
<?php
foreach ($errors as $error) {
echo "<li>{$error}</li>";
}
?>
</ul>
<?php
}
?>
</div>
<form action="" method="post">
<p>
<label for="username">Username:</label>
<input type="text" name="username" id="username" value="<?php if (isset($_POST['username'])) echo htmlentities($_POST['username']); ?>" />
</p>
<p>
<label for="password">Password:</label>
<input type="password" name="password" id="password" />
</p>
<p>
<label for="repeat_password">Repeat Password:</label>
<input type="password" name="repeat_password" id="repeat_password" />
</p>
<p>
<input type="submit" value="Register" />
</p>
</form>
</body>
</html>
init.inc.php
<?php
session_start();
$exceptions = array('register', 'login');
$page = substr(end(explode('/', $_SERVER['SCRIPT_NAME'])), 0, -4);
if (in_array($page, $exceptions) === false) {
if (isset($_SESSION['username']) === false) {
header('Location: login.php');
die();
}
}
mysql_connect('cant tell u that', 'cant tell u that', 'cant tell u that');
mysql_select_db('cant tell u that');
$path = dirname(__FILE__);
include("{$path}/inc/user.inc.php");
?>
user.inc.php
<?php
// check if the given username exists in the database.
function user_exists($user) {
$user = mysql_real_escape_string($user);
$total = mysql_query("SELECT COUNT(`user_id`) FROM `users` WHERE `user_name` = '{$user}'");
return (mysql_result($total, 0) == '1') ? true : false;
}
// check if the given username and password combination is valid.
function valid_credentials($user, $pass) {
$user = mysql_real_escape_string($user);
$pass = sha1($pass);
$total = mysql_query("SELECT COUNT(`user_id`) FROM `users` WHERE `user_name` = '{$user}' AND `user_password` = '{$pass}'");
return (mysql_result($total, 0) == '1') ? true : false;
}
// adds a user to the database
function add_user($user, $pass) {
$user = mysql_real_escape_string(htmlentities($user));
$pass = sha1($pass);
mysql_query("INSERT INTO `users` (`user_name`, `user_password`) VALUES ('{$user}', '{$pass}')");
}
?>
