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<?php
namespace Kanboard\Core\Security;
use LogicException;
use Kanboard\Core\Base;
use Kanboard\Event\AuthFailureEvent;
use Kanboard\Event\AuthSuccessEvent;
/**
* Authentication Manager
*
* @package security
* @author Frederic Guillot
*/
class AuthenticationManager extends Base
{
/**
* Event names
*
* @var string
*/
const EVENT_SUCCESS = 'auth.success';
const EVENT_FAILURE = 'auth.failure';
/**
* List of authentication providers
*
* @access private
* @var array
*/
private $providers = array();
/**
* Register a new authentication provider
*
* @access public
* @param AuthenticationProviderInterface $provider
* @return AuthenticationManager
*/
public function register(AuthenticationProviderInterface $provider)
{
$this->providers[$provider->getName()] = $provider;
return $this;
}
/**
* Register a new authentication provider
*
* @access public
* @param string $name
* @return AuthenticationProviderInterface|OAuthAuthenticationProviderInterface|PasswordAuthenticationProviderInterface|PreAuthenticationProviderInterface|OAuthAuthenticationProviderInterface
*/
public function getProvider($name)
{
if (! isset($this->providers[$name])) {
throw new LogicException('Authentication provider not found: '.$name);
}
return $this->providers[$name];
}
/**
* Execute providers that are able to validate the current session
*
* @access public
* @return boolean
*/
public function checkCurrentSession()
{
if ($this->userSession->isLogged()) {
foreach ($this->filterProviders('SessionCheckProviderInterface') as $provider) {
if (! $provider->isValidSession()) {
$this->logger->debug('Invalidate session for '.$this->userSession->getUsername());
session_flush();
$this->preAuthentication();
return false;
}
}
}
return true;
}
/**
* Execute pre-authentication providers
*
* @access public
* @return boolean
*/
public function preAuthentication()
{
foreach ($this->filterProviders('PreAuthenticationProviderInterface') as $provider) {
if ($provider->authenticate() && $this->userProfile->initialize($provider->getUser())) {
$this->dispatcher->dispatch(self::EVENT_SUCCESS, new AuthSuccessEvent($provider->getName()));
return true;
}
}
return false;
}
/**
* Execute username/password authentication providers
*
* @access public
* @param string $username
* @param string $password
* @param boolean $fireEvent
* @return boolean
*/
public function passwordAuthentication($username, $password, $fireEvent = true)
{
foreach ($this->filterProviders('PasswordAuthenticationProviderInterface') as $provider) {
$provider->setUsername($username);
$provider->setPassword($password);
if ($provider->authenticate() && $this->userProfile->initialize($provider->getUser())) {
if ($fireEvent) {
$this->dispatcher->dispatch(self::EVENT_SUCCESS, new AuthSuccessEvent($provider->getName()));
}
return true;
}
}
if ($fireEvent) {
$this->dispatcher->dispatch(self::EVENT_FAILURE, new AuthFailureEvent($username));
}
return false;
}
/**
* Perform OAuth2 authentication
*
* @access public
* @param string $name
* @return boolean
*/
public function oauthAuthentication($name)
{
$provider = $this->getProvider($name);
if ($provider->authenticate() && $this->userProfile->initialize($provider->getUser())) {
$this->dispatcher->dispatch(self::EVENT_SUCCESS, new AuthSuccessEvent($provider->getName()));
return true;
}
$this->dispatcher->dispatch(self::EVENT_FAILURE, new AuthFailureEvent);
return false;
}
/**
* Get the last Post-Authentication provider
*
* @access public
* @return PostAuthenticationProviderInterface
*/
public function getPostAuthenticationProvider()
{
$providers = $this->filterProviders('PostAuthenticationProviderInterface');
if (empty($providers)) {
throw new LogicException('You must have at least one Post-Authentication Provider configured');
}
return array_pop($providers);
}
/**
* Filter registered providers by interface type
*
* @access private
* @param string $interface
* @return array
*/
private function filterProviders($interface)
{
$interface = '\Kanboard\Core\Security\\'.$interface;
return array_filter($this->providers, function(AuthenticationProviderInterface $provider) use ($interface) {
return is_a($provider, $interface);
});
}
}
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