example.php at JaxBlog - Free PHP Code

<?php

session_start();
$request = isset($_GET['request']) ? $_GET['request'] : '';

if ($request == 'xml') {
	
	header('Content-Type: text/xml');
	$xml = '<?xml version="1.0" encoding="UTF-8" standalone="yes"?>' . "\n";
	
	$forgotpassword = isset($_GET['forgotpassword']) ? $_GET['forgotpassword'] : '';
	
	if ($forgotpassword == 'Y') {
		$username = isset($_GET['loginu']) ? $_GET['loginu'] : '';
		if ($username == '') {
			$xml .= "<root>Error: Please enter your email address or username in the username field</root>\n";
			echo $xml;
			exit;
		}
		
		// If the account does not exist, no reason to email, but report back to the webpage as if it did exist.
		if ($username == 'test') {
			// Do something here, like email the admin or the user directly.
		}
		
		$xml .= "<root>The site administrator has been notified and will contact you with your new password shortly</root>\n";
		echo $xml;
		exit;
	}
	
	$authenticated = isset($_SESSION['example_username']) ? 1 : 0;
	if ($authenticated) {
		$xml .= "<root>You are logged in as " . $_SESSION['example_username'] . "</root>\n";
		echo $xml;
		exit;
	}
	
	$show_first_time = isset($_SESSION['example_show_first_time']) ? $_SESSION['example_show_first_time'] : 0;
	$username        = isset($_GET['loginu']) ? $_GET['loginu'] : '';
	$password        = isset($_GET['loginp']) ? $_GET['loginp'] : '';
	
	if ($username == '' && $password == '') {
		if ($show_first_time) {
			$xml .= "<root>Since this is your first time logging in, please choose the username you would like to use and a new password</root>\n";
		} else {
			$xml .= "<root>Please enter username and password to login</root>\n";
		}
		echo $xml;
		exit;
	}
	
	if ($username == '' || $password == '') {
		$xml .= "<root>Error: Missing username or password</root>\n";
		echo $xml;
		exit;
	}
	
	if ($show_first_time == 0) {
		
		// Simulate a database lookup here.
		$user_id = ($username == 'test' && $password == 'test');
		
		if (isset($user_id) && $user_id != 0) {
			$is_first_time = 1;
			if ($is_first_time) {
				$_SESSION['example_show_first_time'] = 1;
				$xml .= "<root>Since this is your first time logging in, please choose the username you would like to use and a new password</root>\n";
			} else {
				$_SESSION['example_username'] = $username;
				$xml .= "<root>Success logging in as " . $_SESSION['example_username'] . "</root>\n";
			}
		} else {
			sleep(3);
			$xml .= "<root>Error: User not found in system or password is incorrect</root>\n";
		}
	} else {
		
		// Simulate storing the new username and password.
		
		$_SESSION['example_username'] = $username;
		$xml .= "<root>Success logging in as " . $_SESSION['example_username'] . "</root>\n";
	}
	
	echo $xml;
	exit;
}

if ($request == "reset") {
	session_start();
	unset($_SESSION['example_username']);
	unset($_SESSION['example_show_first_time']);
	header("Location: example.php");
	exit;
}

?>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title>Example Login</title>

<script type="text/javascript" src="../common/jax-xmlhttprequest.js"></script>
<script type="text/javascript" src="jax-login.js"></script>

<style type="text/css">

label.jax_login {
	display: block;
	position: absolute;
}

input.jax_login {
	margin-left: 110px;
}

a.jax_login {
	font-size: 10px;
	margin-left: 15px;
}

</style>
</head>

<body onLoad="jaxLoginRegister('example.php?request=xml', 'example');">

<h3 id="h3_title">Example Login</h3>

<div class="example_indent">
	<div id="example"></div>
</div>

<a href="example.php?request=reset">Reset session info</a><br />

</body>
</html>