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<?php
/**
Copyright 2012-2014 Nick Korbel
This file is part of Booked SchedulerBooked SchedulereIt 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 versBooked SchedulerduleIt 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
alBooked SchedulercheduleIt. If not, see <http://www.gnu.org/licenses/>.
*/
require_once(ROOT_DIR . 'lib/Application/Authentication/namespace.php');
interface IWebAuthentication extends IAuthenticationPromptOptions
{
/**
* @abstract
* @param string $username
* @param string $password
* @return bool If user is valid
*/
public function Validate($username, $password);
/**
* @abstract
* @param string $username
* @param ILoginContext $loginContext
* @return void
*/
public function Login($username, $loginContext);
/**
* @param UserSession $user
* @return void
*/
public function Logout(UserSession $user);
/**
* @param string $cookieValue authentication cookie value
* @param ILoginContext $loginContext
* @return bool If the login was successful
*/
public function CookieLogin($cookieValue, $loginContext);
/**
* @param ILoginPage $loginPage
* @return void
*/
public function HandleLoginFailure(ILoginPage $loginPage);
/**
* @return bool
*/
public function AreCredentialsKnown();
/**
* @return mixed
*/
public function IsLoggedIn();
}
class WebAuthentication implements IWebAuthentication
{
/**
* @param IAuthentication $authentication
* @param Server $server
*/
public function __construct(IAuthentication $authentication, $server = null)
{
$this->authentication = $authentication;
$this->server = $server;
if ($this->server == null)
{
$this->server = ServiceLocator::GetServer();
}
}
/**
* @param string $username
* @param string $password
* @return bool If user is valid
*/
public function Validate($username, $password)
{
return $this->authentication->Validate($username, $password);
}
/**
* @param string $username
* @param ILoginContext $loginContext
* @return void
*/
public function Login($username, $loginContext)
{
$userSession = $this->authentication->Login($username, $loginContext);
$this->server->SetUserSession($userSession);
if ($loginContext->GetData()->Persist)
{
$this->SetLoginCookie($userSession->UserId, $userSession->LoginTime);
}
}
/**
* @param UserSession $userSession
* @return void
*/
public function Logout(UserSession $userSession)
{
$this->authentication->Logout($userSession);
Log::Debug('Logout userId: %s', $userSession->UserId);
$this->DeleteLoginCookie($userSession->UserId);
ServiceLocator::GetServer()->EndSession(SessionKeys::USER_SESSION);
}
public function CookieLogin($cookieValue, $loginContext)
{
$loginCookie = LoginCookie::FromValue($cookieValue);
$valid = false;
$this->server->SetUserSession(new NullUserSession());
if (!is_null($loginCookie))
{
$validEmail = $this->ValidateCookie($loginCookie);
$valid = !is_null($validEmail);
if ($valid)
{
$this->Login($validEmail, $loginContext);
}
}
Log::Debug('Cookie login. IsValid: %s', $valid);
return $valid;
}
/**
* @param int $userid
* @param string $lastLogin
*/
private function SetLoginCookie($userid, $lastLogin)
{
$cookie = new LoginCookie($userid, $lastLogin);
$this->server->SetCookie($cookie);
}
private function DeleteLoginCookie($userid)
{
ServiceLocator::GetServer()->DeleteCookie(new LoginCookie($userid, null));
}
private function ValidateCookie($loginCookie)
{
$valid = false;
$reader = ServiceLocator::GetDatabase()->Query(new CookieLoginCommand($loginCookie->UserID));
if ($row = $reader->GetRow())
{
$valid = $row[ColumnNames::LAST_LOGIN] == $loginCookie->LastLogin;
}
return $valid ? $row[ColumnNames::EMAIL] : null;
}
public function HandleLoginFailure(ILoginPage $loginPage)
{
$this->authentication->HandleLoginFailure(new WebAuthenticationPage($loginPage));
}
public function AreCredentialsKnown()
{
return $this->authentication->AreCredentialsKnown();
}
public function ShowUsernamePrompt()
{
return $this->authentication->ShowUsernamePrompt();
}
public function ShowPasswordPrompt()
{
return $this->authentication->ShowPasswordPrompt();
}
public function ShowPersistLoginPrompt()
{
return $this->authentication->ShowPersistLoginPrompt();
}
public function ShowForgotPasswordPrompt()
{
return $this->authentication->ShowForgotPasswordPrompt();
}
/**
* @return mixed
*/
public function IsLoggedIn()
{
return $this->server->GetUserSession()->IsLoggedIn();
}
}
class WebAuthenticationPage implements IAuthenticationPage
{
public function __construct(ILoginPage $page)
{
$this->page = $page;
}
/**
* @return string
*/
public function GetEmailAddress()
{
return $this->page->GetEmailAddress();
}
/**
* @return string
*/
public function GetPassword()
{
return $this->page->GetPassword();
}
/**
* @return void
*/
public function SetShowLoginError()
{
$this->page->SetShowLoginError();
}
}
?>