function amazon_login_process()
{
if (LoginWithAmazonUtility::shouldProcessAmazonLogin() || LoginWithAmazonUtility::shouldReregister()) {
$access_token = LoginWithAmazonUtility::getAcessToken();
if ($access_token) {
// Ensure CSRF token present and valid
$csrf_token = LoginWithAmazonUtility::getCsrfToken();
if ($csrf_token && LoginWithAmazonUtility::verifyCsrfToken($csrf_token)) {
$email = LoginWithAmazonUtility::getEmailFromAccessToken($access_token);
if ($email) {
// Find or create an Amazon user
$user = LoginWithAmazonUtility::findOrCreateUserByEmail($email);
if (is_wp_error($user)) {
// Display error on the login form.
LoginWithAmazonUtility::addLoginError($user->get_error_message());
} else {
// Log in the Amazon user and redirect to the homepage.
LoginWithAmazonUtility::createSessionFromUser($user);
}
} else {
// Could not retrieve email with the token. Provide a general login error to the user.
$error_msg = "There was an error when attempting to log you in.";
LoginWithAmazonUtility::addLoginError(__($error_msg, LoginWithAmazonUtility::$I18N_DOMAIN));
}
}
} else {
add_action('login_enqueue_scripts', 'loginwithamazon_enqueue_nonsecure_script');
}
}
}
