PHP Classes

PHP MySQL Secure Log In: Register and login users in a MySQL database

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Description 

Author

Radovan Janjic

This package can register and login users in a MySQL database.

It provides several classes that can register users by creating the respective MySQL database records, authenticate registered users, and manage sessions of authenticated storing session data also in a MySQL database table.

MySQL database SQL queries are logged to a file.

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Name: Radovan Janjic <contact>
Classes: 14 packages by
Country: Serbia Serbia

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Example

<?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; ?>

  Files folder image Files (8)  
File Role Description
Accessible without login Plain text file example.php Example Example script
Accessible without login Plain text file log-mysql.txt Output Sample output
Plain text file MySQL_Session_Handler.class.php Class Class source
Plain text file MySQL_wrapper.class.php Class Class source
Accessible without login Plain text file users.sql Data Auxiliary data
Plain text file User_Log_In.class.php Class Class source
Plain text file User_Register.class.php Class Class source
Plain text file User_Validation.class.php Class Class source

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