Friendica Communications Platform (please note that this is a clone of the repository at github, issues are handled there) https://friendi.ca
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2.1 KiB

<?php
namespace Friendica\Module\Security\TwoFactor;
use Friendica\BaseModule;
use Friendica\Core\L10n;
use Friendica\Core\Renderer;
use Friendica\Core\Session;
use Friendica\DI;
use PragmaRX\Google2FA\Google2FA;
/**
* Page 1: Authenticator code verification
*
* @package Friendica\Module\TwoFactor
*/
class Verify extends BaseModule
{
private static $errors = [];
public static function post(array $parameters = [])
{
if (!local_user()) {
return;
}
if (($_POST['action'] ?? '') == 'verify') {
self::checkFormSecurityTokenRedirectOnError('2fa', 'twofactor_verify');
$a = DI::app();
$code = $_POST['verify_code'] ?? '';
$valid = (new Google2FA())->verifyKey(DI::pConfig()->get(local_user(), '2fa', 'secret'), $code);
// The same code can't be used twice even if it's valid
if ($valid && Session::get('2fa') !== $code) {
Session::set('2fa', $code);
// Resume normal login workflow
DI::auth()->setForUser($a, $a->user, true, true);
} else {
self::$errors[] = L10n::t('Invalid code, please retry.');
}
}
}
public static function content(array $parameters = [])
{
if (!local_user()) {
DI::baseUrl()->redirect();
}
// Already authenticated with 2FA token
if (Session::get('2fa')) {
DI::baseUrl()->redirect();
}
return Renderer::replaceMacros(Renderer::getMarkupTemplate('twofactor/verify.tpl'), [
'$form_security_token' => self::getFormSecurityToken('twofactor_verify'),
'$title' => L10n::t('Two-factor authentication'),
'$message' => L10n::t('<p>Open the two-factor authentication app on your device to get an authentication code and verify your identity.</p>'),
'$errors_label' => L10n::tt('Error', 'Errors', count(self::$errors)),
'$errors' => self::$errors,
'$recovery_message' => L10n::t('Don’t have your phone? <a href="%s">Enter a two-factor recovery code</a>', '2fa/recovery'),
'$verify_code' => ['verify_code', L10n::t('Please enter a code from your authentication app'), '', '', 'required', 'autofocus placeholder="000000"', 'tel'],
'$verify_label' => L10n::t('Verify code and complete login'),
]);
}
}