function au_login()
{
global $aulis;
// Error messages!
$errormsg = array();
// Are we currently attempting to login?
if (isset($_POST['au_login'])) {
// Did we provide our username?
if (empty($_POST['au_username'])) {
$errormsg[] = LOGIN_NO_USERNAME;
}
// What about our password?
if (empty($_POST['au_password'])) {
$errormsg[] = LOGIN_NO_PASSWORD;
}
// Create variables that are easier to type
$login['username'] = $_POST['au_username'];
$login['password'] = $_POST['au_password'];
// Usernames don't contain HTML
if ($login['username'] != htmlspecialchars($login['username'], ENT_NOQUOTES, 'UTF-8', false)) {
$errormsg[] = LOGIN_USERNAME_NO_HTML;
}
// We don't want to mess up the database
$login['username'] = mysqli_real_escape_string($aulis['connection'], $login['username']);
// Hash the password
$login['password'] = au_hash($login['password']);
// Okay. Now check if the database has any record of the user
$result = au_query("\n\t\t\tSELECT user_id, user_username, user_password\n\t\t\t\tFROM users\n\t\t\t\tWHERE user_username = '******'username'] . "'\n\t\t");
// This is only run if the user exists
foreach ($result as $userlogin) {
// Get the user id
$userid = $userlogin['user_id'];
// Does the password match?
if ($userlogin['user_password'] == $login['password']) {
$correctpass = true;
} else {
$errormsg[] = LOGIN_PASSWORD_FAIL;
}
}
// Can we login?
if (!empty($correctpass)) {
// The user agent
$login['user_agent'] = mysqli_real_escape_string($aulis['connection'], $_SERVER['HTTP_USER_AGENT']);
// The IP address
$login['user_ip'] = addslashes($_SERVER['REMOTE_ADDR']);
// How long should we keep the session active?
$sessionlength = !empty($_POST['au_forever']) ? '0' : '60';
// Set the session
$_SESSION[$setting['session_name']] = array('user' => $userid, 'agent' => $login['user_agent'], 'ip' => $login['user_ip'], 'sessionlength' => $sessionlength);
// Show a nice information page
template_info('login_success', 'login_success_title', 'user_green.png', $basefilenq, 'login_link');
}
}
// This array is used in the login template
$logindata = array('errors' => empty($_POST['au_login']) ? 0 : 1, 'error_message' => $errormsg, 'username' => !empty($login['username']) ? $login['username'] : '');
// Okay, load this app's template
au_load_template('login', false);
// Show the registration template
au_template_login(!empty($login_complete) ? true : false);
}
function au_hash_password($password, $user_name, $user_actcode)
{
// Let's make the $extra_data
$extra_data = $user_name . ":" . $user_actcode;
// Now let's hash this thing
return au_hash($password, $extra_data);
}