Untitled

// INDEX.PHP
<?php
	session_start();
	if(isset($_SESSION['user'])){
		header('Location: panel.php');
	}
?>
<!doctype html>
<html>
	<head>
		<meta charset="utf-8"/>
		<title>ALPHAMMO</title>
		<link href='http://fonts.googleapis.com/css?family=Open+Sans:400,800' rel='stylesheet' type='text/css'>
		<link href="css/Loginbootstrap.min.css" rel="stylesheet">
		<style type="text/css">
		body {
			color: #5e6d81;
			background: #eaedf1;
		}
		input[type="text"], input[type="password"] {
			font-family: 'Open Sans', sans-serif;
			font-size: 18px;
			padding: 16px 0 16px 10px;
			background: #fff;
			border: 0;
			box-shadow: none;
			width: 77%;
			outline: none;
		}
		input[type="submit"] {
			font-family: 'Open Sans', sans-serif;
			font-size: 20px;
			margin: 10px 0 0 0;
			padding: 16px 0;
			width: 100%;
			color: #fff;
			background: #ff3333;
			border: 0;
			border-radius: 4px;
		}
		input[type="submit"]:hover {
			background: #ff4433;
		}
		input[type="text"]::-webkit-input-placeholder, input[type="password"]::-webkit-input-placeholder {
			color: #dbe1e8;
		}
		input[type="text"]:-moz-placeholder, input[type="password"]:-moz-placeholder {
			color: #dbe1e8;
		}
		input[type="text"]::-moz-placeholder, input[type="password"]::-moz-placeholder {
			color: #dbe1e8;
		}

		.login {
			width: 300px;
			margin: 100px auto;
		}
		.input-prepend {
			width: 100%;
			margin: 0 0 10px 0;
		}
		.input-prepend .add-on {
			color: #5e6d81;
			font-size: 18px;
			font-weight: bold;
			width: 20%;
			padding: 16px 0;
			background: #9ea7b3;
			border: 0;
		}
		</style>
	</head>
	<body>
		<div class="login">
			<?php
				if($error == 1){
					echo '<p class="alert alert-danger">ACESSO NEGADO!</p>';
				}else if($error == 2){
					echo '<p class="alert alert-danger">ÁREA RESTRITA</p>';
				}else if($error == 3){
					echo '<p class="alert alert-warning">DESLOGADO!</p>';
				}
			?>
			<form method="post" action="processLogin.php">
				<div class="input-prepend">
					<span class="add-on"><img src="img/user.png" /></span>
					<input class="" id="prependedUsername" type="text" placeholder="E-Mail" name="user">
				</div>
				<div class="input-prepend">
					<span class="add-on"><img src="img/lock.png" /></span>
					<input class="" id="prependedPassword" type="password" placeholder="Senha" name="pass">
				</div>
				<div class="controls">
					<input type="submit" value="Entrar" />
				</div>
			</form>
		</div>
	</body>
</html>


// PROCESS LOGIN.PHP

<?php
	//Inclusão das classes.
	require_once('class/init.php');
	session_start();

	//Conexão com base de dados.
	$pdo = openConnection();

	$user = $_POST['user'];
	$pass = $_POST['pass'];
	$pass = md5('g5sc4gs1fz0h'.$pass);

	//Autentica o usuário
	$auth = new Authentication($pdo);
	if($auth->authUser($user, $pass)){
		header('Location: panel.php');
	}else{
		header('Location: index.php?error=1');
	};
?>