PHP Classes

File: example.php

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  Classes of Radovan Janjic  >  PHP MySQL Secure Log In  >  example.php  >  Download  
File: example.php
Role: Example script
Content type: text/plain
Description: Example script
Class: PHP MySQL Secure Log In
Register and login users in a MySQL database
Author: By
Last change: Update of example.php
Date: 1 month ago
Size: 2,012 bytes
 

Contents

Class file image Download
<?php

define
('MYSQL_HOST', 'localhost');
define('MYSQL_USERNAME', 'root');
define('MYSQL_PASSWORD', '');
define('MYSQL_DATABASE', 'users');
define('MYSQL_TABLE_USERS', 'users');

include
'MySQL_wrapper.class.php';
include
'MySQL_Session_Handler.class.php';
include
'User_Validation.class.php';
include
'User_Log_In.class.php';



$db = MySQL_wrapper::getInstance(MYSQL_HOST, MYSQL_USERNAME, MYSQL_PASSWORD, MYSQL_DATABASE);

// Logging only for testing!
$db->logQueries = TRUE;

// Log errors
$db->logErrors = TRUE;

// Create object
$GLOBALS['MYSQL_SESSION'] = new MySQL_Session_Handler($db, 'sessions');

$a = new User_Log_In;

$a->db = &$db;

echo
'<pre>';

echo
'Session before login check:' . PHP_EOL, print_r($_SESSION, TRUE);

$loggedin = FALSE;
if (
$a->loggedIn()) {
   
$loggedin = TRUE;
    if (!empty(
$_POST['logout'])) { // Log out
       
$a->logOut('example.php?loggedOutLocation');
    }
    echo
'<b>Logged in!</b>' . PHP_EOL;
   
} else {
   
$loggedin = FALSE;
    if (isset(
$_POST['login'])) {
        if (
$a->logInUser($_POST['email'], $_POST['password'])) { // Login
           
header('Location: example.php?loggedInLocation');
           
$loggedin = TRUE;
        } else {
            echo
'<b>Woops!</b>' . PHP_EOL;
            echo
'<b>Email or password is wrong!</b>' . PHP_EOL;
        }
    }
}


echo
'Session after login check:' . PHP_EOL, print_r($_SESSION, TRUE);


echo
PHP_EOL . PHP_EOL . 'POST:' . PHP_EOL . print_r($_POST, TRUE) . PHP_EOL;

/* */
$hash = $a->hash("foobar");
echo
"Hashed pass: " . $hash . PHP_EOL;
if (
$a->validatePassword("foobar", $hash)) {
    echo
'Valid password' . PHP_EOL;
} else {
    echo
'Wrong password' . PHP_EOL;
}

?>
</pre>

<?php if ($loggedin): ?>
<form method="post">
        <input type="hidden" name="logout" value="1" />
        Log out
        <input type="submit" />
    </form>
<?php else: ?>
<form method="post">
        <input type="hidden" name="login" value="1" />
        <input type="text" name="email" value="rade@it-radionica.com" /><br />
        <input type="text" name="password" value="foobar" />
        <input type="submit" />
    </form>
<?php endif; ?>