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<?php
/**
Copyright 2011-2014 Nick Korbel
This file is part of Booked Scheduler.
Booked Scheduler is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Booked Scheduler is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Booked Scheduler. If not, see <http://www.gnu.org/licenses/>.
*/
require_once(ROOT_DIR . 'lib/Config/namespace.php');
require_once(ROOT_DIR . 'lib/Common/namespace.php');
class LoginPresenter
{
/**
* @var ILoginPage
*/
private $_page = null;
/**
* @var IWebAuthentication
*/
private $authentication = null;
/**
* Construct page type and authentication method
* @param ILoginPage $page passed by reference
* @param IWebAuthentication $authentication default to null
*/
public function __construct(ILoginPage &$page, $authentication = null)
{
$this->_page = & $page;
$this->SetAuthentication($authentication);
}
/**
* @param IWebAuthentication $authentication
*/
private function SetAuthentication($authentication)
{
if (is_null($authentication))
{
$this->authentication = new WebAuthentication(PluginManager::Instance()->LoadAuthentication(), ServiceLocator::GetServer());
}
else
{
$this->authentication = $authentication;
}
}
public function PageLoad()
{
if ($this->authentication->IsLoggedIn())
{
$this->_Redirect();
}
$this->SetSelectedLanguage();
if ($this->authentication->AreCredentialsKnown())
{
$this->Login();
}
$server = ServiceLocator::GetServer();
$loginCookie = $server->GetCookie(CookieKeys::PERSIST_LOGIN);
if ($this->IsCookieLogin($loginCookie))
{
if ($this->authentication->CookieLogin($loginCookie, new WebLoginContext(new LoginData(true))))
{
$this->_Redirect();
}
}
$allowRegistration = Configuration::Instance()->GetKey(ConfigKeys::ALLOW_REGISTRATION, new BooleanConverter());
$allowAnonymousSchedule = Configuration::Instance()->GetSectionKey(ConfigSection::PRIVACY,
ConfigKeys::PRIVACY_VIEW_SCHEDULES,
new BooleanConverter());
$this->_page->SetShowRegisterLink($allowRegistration);
$this->_page->SetShowScheduleLink($allowAnonymousSchedule);
$this->_page->ShowForgotPasswordPrompt(!Configuration::Instance()->GetKey(ConfigKeys::DISABLE_PASSWORD_RESET,
new BooleanConverter()) && $this->authentication->ShowForgotPasswordPrompt());
$this->_page->ShowPasswordPrompt($this->authentication->ShowPasswordPrompt());
$this->_page->ShowPersistLoginPrompt($this->authentication->ShowPersistLoginPrompt());
$this->_page->ShowUsernamePrompt($this->authentication->ShowUsernamePrompt());
}
public function Login()
{
$id = $this->_page->GetEmailAddress();
if ($this->authentication->Validate($id, $this->_page->GetPassword()))
{
$context = new WebLoginContext(new LoginData($this->_page->GetPersistLogin(), $this->_page->GetSelectedLanguage()));
$this->authentication->Login($id, $context);
$this->_Redirect();
}
else
{
$this->authentication->HandleLoginFailure($this->_page);
$this->_page->SetShowLoginError();
}
}
public function ChangeLanguage()
{
$resources = Resources::GetInstance();
$languageCode = $this->_page->GetRequestedLanguage();
if ($resources->SetLanguage($languageCode))
{
ServiceLocator::GetServer()->SetCookie(new Cookie(CookieKeys::LANGUAGE, $languageCode));
$this->_page->SetSelectedLanguage($languageCode);
$this->_page->Redirect(Pages::LOGIN);
}
}
public function Logout()
{
$url = Configuration::Instance()->GetKey(ConfigKeys::LOGOUT_URL);
if (empty($url))
{
$url = htmlspecialchars_decode($this->_page->GetResumeUrl());
$url = sprintf('%s?%s=%s', Pages::LOGIN, QueryStringKeys::REDIRECT, urlencode($url));
}
$this->authentication->Logout(ServiceLocator::GetServer()->GetUserSession());
$this->_page->Redirect($url);
}
private function _Redirect()
{
$redirect = $this->_page->GetResumeUrl();
if (!empty($redirect))
{
$this->_page->Redirect(html_entity_decode($redirect));
}
else
{
$defaultId = ServiceLocator::GetServer()->GetUserSession()->HomepageId;
$this->_page->Redirect(Pages::UrlFromId($defaultId));
}
}
private function IsCookieLogin($loginCookie)
{
return !empty($loginCookie);
}
private function SetSelectedLanguage()
{
$requestedLanguage = $this->_page->GetRequestedLanguage();
if (!empty($requestedLanguage))
{
// this is handled by ChangeLanguage()
return;
}
$languageCookie = ServiceLocator::GetServer()->GetCookie(CookieKeys::LANGUAGE);
$languageHeader = ServiceLocator::GetServer()->GetLanguage();
$languageCode = Configuration::Instance()->GetKey(ConfigKeys::LANGUAGE);
$resources = Resources::GetInstance($languageCookie);
if ($resources->IsLanguageSupported($languageCookie))
{
$languageCode = $languageCookie;
}
else
{
if ($resources->IsLanguageSupported($languageHeader))
{
$languageCode = $languageHeader;
}
}
$this->_page->SetSelectedLanguage(strtolower($languageCode));
$resources->SetLanguage($languageCode);
}
}