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<?php
declare(strict_types=1);
namespace Shaarli\Front\Controller\Visitor;
use Shaarli\Front\Exception\CantLoginException;
use Shaarli\Front\Exception\LoginBannedException;
use Shaarli\Front\Exception\WrongTokenException;
use Shaarli\Render\TemplatePage;
use Shaarli\Security\CookieManager;
use Shaarli\Security\SessionManager;
use Slim\Http\Request;
use Slim\Http\Response;
/**
* Class LoginController
*
* Slim controller used to render the login page.
*
* The login page is not available if the user is banned
* or if open shaarli setting is enabled.
*/
class LoginController extends ShaarliVisitorController
{
/**
* GET /login - Display the login page.
*/
public function index(Request $request, Response $response): Response
{
try {
$this->checkLoginState();
} catch (CantLoginException $e) {
return $this->redirect($response, '/');
}
if ($request->getParam('login') !== null) {
$this->assignView('username', escape($request->getParam('login')));
}
$returnUrl = $request->getParam('returnurl') ?? $this->container->environment['HTTP_REFERER'] ?? null;
$this
->assignView('returnurl', escape($returnUrl))
->assignView('remember_user_default', $this->container->conf->get('privacy.remember_user_default', true))
->assignView('pagetitle', t('Login') . ' - ' . $this->container->conf->get('general.title', 'Shaarli'))
;
return $response->write($this->render(TemplatePage::LOGIN));
}
/**
* POST /login - Process login
*/
public function login(Request $request, Response $response): Response
{
if (!$this->container->sessionManager->checkToken($request->getParam('token'))) {
throw new WrongTokenException();
}
try {
$this->checkLoginState();
} catch (CantLoginException $e) {
return $this->redirect($response, '/');
}
if (
!$this->container->loginManager->checkCredentials(
client_ip_id($this->container->environment),
$request->getParam('login'),
$request->getParam('password')
)
) {
$this->container->loginManager->handleFailedLogin($this->container->environment);
$this->container->sessionManager->setSessionParameter(
SessionManager::KEY_ERROR_MESSAGES,
[t('Wrong login/password.')]
);
// Call controller directly instead of unnecessary redirection
return $this->index($request, $response);
}
$this->container->loginManager->handleSuccessfulLogin($this->container->environment);
$cookiePath = $this->container->basePath . '/';
$expirationTime = $this->saveLongLastingSession($request, $cookiePath);
$this->renewUserSession($cookiePath, $expirationTime);
// Force referer from given return URL
$this->container->environment['HTTP_REFERER'] = $request->getParam('returnurl');
return $this->redirectFromReferer($request, $response, ['login', 'install']);
}
/**
* Make sure that the user is allowed to login and/or displaying the login page:
* - not already logged in
* - not open shaarli
* - not banned
*/
protected function checkLoginState(): bool
{
if (
$this->container->loginManager->isLoggedIn()
|| $this->container->conf->get('security.open_shaarli', false)
) {
throw new CantLoginException();
}
if (true !== $this->container->loginManager->canLogin($this->container->environment)) {
throw new LoginBannedException();
}
return true;
}
/**
* @return int Session duration in seconds
*/
protected function saveLongLastingSession(Request $request, string $cookiePath): int
{
if (empty($request->getParam('longlastingsession'))) {
// Standard session expiration (=when browser closes)
$expirationTime = 0;
} else {
// Keep the session cookie even after the browser closes
$this->container->sessionManager->setStaySignedIn(true);
$expirationTime = $this->container->sessionManager->extendSession();
}
$this->container->cookieManager->setCookieParameter(
CookieManager::STAY_SIGNED_IN,
$this->container->loginManager->getStaySignedInToken(),
$expirationTime,
$cookiePath
);
return $expirationTime;
}
protected function renewUserSession(string $cookiePath, int $expirationTime): void
{
// Send cookie with the new expiration date to the browser
$this->container->sessionManager->destroy();
$this->container->sessionManager->cookieParameters(
$expirationTime,
$cookiePath,
$this->container->environment['SERVER_NAME']
);
$this->container->sessionManager->start();
$this->container->sessionManager->regenerateId(true);
}
}
|
