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<?php
/**
* Matomo - free/libre analytics platform
*
* @link https://matomo.org
* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
*
*/
namespace Piwik\Plugins\Login;
use Exception;
use Piwik\Auth as AuthInterface;
use Piwik\AuthResult;
use Piwik\Config;
use Piwik\Cookie;
use Piwik\Piwik;
use Piwik\Plugins\UsersManager\API as UsersManagerAPI;
use Piwik\ProxyHttp;
use Piwik\Session;
/**
*/
class SessionInitializer
{
/**
* The UsersManager API instance.
*
* @var UsersManagerAPI
*/
private $usersManagerAPI;
/**
* The authenticated session cookie's name. Defaults to the value of the `[General] login_cookie_name`
* INI config option.
*
* @var string
*/
private $authCookieName;
/**
* The time in seconds before the authenticated session cookie expires. Only used if `$rememberMe`
* is true in the {@link initSession()} call.
*
* Defaults to the value of the `[General] login_cookie_expire` INI config option.
*
* @var string
*/
private $authCookieValidTime;
/**
* The path for the authenticated session cookie. Defaults to the value of the `[General] login_cookie_path`
* INI config option.
*
* @var string
*/
private $authCookiePath;
/**
* Constructor.
*
* @param UsersManagerAPI|null $usersManagerAPI
* @param string|null $authCookieName
* @param int|null $authCookieValidTime
* @param string|null $authCookiePath
*/
public function __construct($usersManagerAPI = null, $authCookieName = null, $authCookieValidTime = null,
$authCookiePath = null)
{
if (empty($usersManagerAPI)) {
$usersManagerAPI = UsersManagerAPI::getInstance();
}
$this->usersManagerAPI = $usersManagerAPI;
if (empty($authCookieName)) {
$authCookieName = Config::getInstance()->General['login_cookie_name'];
}
$this->authCookieName = $authCookieName;
if (empty($authCookieValidTime)) {
$authCookieValidTime = Config::getInstance()->General['login_cookie_expire'];
}
$this->authCookieValidTime = $authCookieValidTime;
if (empty($authCookiePath)) {
$authCookiePath = Config::getInstance()->General['login_cookie_path'];
}
$this->authCookiePath = $authCookiePath;
}
/**
* Authenticates the user and, if successful, initializes an authenticated session.
*
* @param \Piwik\Auth $auth The Auth implementation to use.
* @param bool $rememberMe Whether the authenticated session should be remembered after
* the browser is closed or not.
* @throws Exception If authentication fails or the user is not allowed to login for some reason.
*/
public function initSession(AuthInterface $auth, $rememberMe)
{
$this->regenerateSessionId();
$authResult = $this->doAuthenticateSession($auth);
if (!$authResult->wasAuthenticationSuccessful()) {
Piwik::postEvent('Login.authenticate.failed', array($auth->getLogin()));
$this->processFailedSession($rememberMe);
} else {
Piwik::postEvent('Login.authenticate.successful', array($auth->getLogin()));
$this->processSuccessfulSession($authResult, $rememberMe);
}
}
/**
* Authenticates the user.
*
* Derived classes can override this method to customize authentication logic or impose
* extra requirements on the user trying to login.
*
* @param AuthInterface $auth The Auth implementation to use when authenticating.
* @return AuthResult
*/
protected function doAuthenticateSession(AuthInterface $auth)
{
Piwik::postEvent(
'Login.authenticate',
array(
$auth->getLogin(),
)
);
return $auth->authenticate();
}
/**
* Returns a Cookie instance that manages the browser cookie used to store session
* information.
*
* @param bool $rememberMe Whether the authenticated session should be remembered after
* the browser is closed or not.
* @return Cookie
*/
protected function getAuthCookie($rememberMe)
{
$authCookieExpiry = $rememberMe ? time() + $this->authCookieValidTime : 0;
$cookie = new Cookie($this->authCookieName, $authCookieExpiry, $this->authCookiePath);
return $cookie;
}
/**
* Executed when the session could not authenticate.
*
* @param bool $rememberMe Whether the authenticated session should be remembered after
* the browser is closed or not.
* @throws Exception always.
*/
protected function processFailedSession($rememberMe)
{
$cookie = $this->getAuthCookie($rememberMe);
$cookie->delete();
throw new Exception(Piwik::translate('Login_LoginPasswordNotCorrect'));
}
/**
* Executed when the session was successfully authenticated.
*
* @param AuthResult $authResult The successful authentication result.
* @param bool $rememberMe Whether the authenticated session should be remembered after
* the browser is closed or not.
*/
protected function processSuccessfulSession(AuthResult $authResult, $rememberMe)
{
$cookie = $this->getAuthCookie($rememberMe);
$cookie->setSecure(ProxyHttp::isHttps());
$cookie->setHttpOnly(true);
$cookie->save();
return $cookie;
}
protected function regenerateSessionId()
{
Session::regenerateId();
}
/**
* Accessor to compute the hashed authentication token.
*
* @param string $login user login
* @param string $token_auth authentication token
* @return string hashed authentication token
*/
public static function getHashTokenAuth($login, $token_auth)
{
return md5($login . $token_auth);
}
}
|
