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BasicAuthenticator.php
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BasicAuthenticator.php
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<?php
namespace Biig\Component\User\Security\Authenticator;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpKernel\Exception\UnauthorizedHttpException;
use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
use Symfony\Component\Security\Core\Encoder\EncoderFactoryInterface;
use Symfony\Component\Security\Core\Exception\AuthenticationCredentialsNotFoundException;
use Symfony\Component\Security\Core\Exception\AuthenticationException;
use Symfony\Component\Security\Core\User\UserInterface;
use Symfony\Component\Security\Core\User\UserProviderInterface;
use Symfony\Component\Security\Guard\AbstractGuardAuthenticator;
/**
* Class BasicAuthenticator.
*/
class BasicAuthenticator extends AbstractGuardAuthenticator
{
/**
* @var EncoderFactoryInterface
*/
protected $encoders;
public function __construct(EncoderFactoryInterface $encoders)
{
$this->encoders = $encoders;
}
/**
* {@inheritdoc}
*/
public function getCredentials(Request $request)
{
if (null === $authorization = $request->headers->get('Authorization')) {
throw new UnauthorizedHttpException('Basic', 'Header Authorization not found');
}
$matches = [];
if (1 !== preg_match('/^Basic (.+)$/', $authorization, $matches)) {
throw new UnauthorizedHttpException('Basic', 'Header Basic Authorization not found');
}
list($authorization, $realm) = $matches;
$realm = \base64_decode($realm, true);
$delimiterPos = \strpos($realm, ':');
if (false === $delimiterPos) {
throw new UnauthorizedHttpException('Basic', 'Base64 decode error. Require 2 parameters');
}
return [
'username' => \substr($realm, 0, $delimiterPos),
'password' => \substr($realm, $delimiterPos + 1),
];
}
/**
* {@inheritdoc}
*/
public function getUser($credentials, UserProviderInterface $userProvider)
{
return $userProvider->loadUserByUsername($credentials['username']);
}
/**
* {@inheritdoc}
*/
public function checkCredentials($credentials, UserInterface $user)
{
$encoder = $this->encoders->getEncoder($user);
return $encoder->isPasswordValid($user->getPassword(), $credentials['password'], $user->getSalt());
}
/**
* {@inheritdoc}
*/
public function onAuthenticationFailure(Request $request, AuthenticationException $exception)
{
throw new UnauthorizedHttpException('Basic', 'Bad credentials');
}
/**
* {@inheritdoc}
*/
public function onAuthenticationSuccess(Request $request, TokenInterface $token, $providerKey)
{
}
/**
* {@inheritdoc}
*/
public function supportsRememberMe()
{
return false;
}
/**
* {@inheritdoc}
*/
public function start(Request $request, AuthenticationException $exception = null)
{
if (null === $exception) {
return;
}
if ($exception instanceof AuthenticationCredentialsNotFoundException) {
throw new UnauthorizedHttpException('Basic', 'Bad credentials.', $exception);
}
throw $exception;
}
/**
* {@inheritdoc}
*/
public function supports(Request $request)
{
return 1 === \preg_match('/login$/', $request->getPathInfo()) && $this->isAllowedRequest($request);
}
/**
* @param Request $request
*
* @return bool
*/
private function isAllowedRequest(Request $request)
{
return \in_array(
$request->getMethod(),
[
Request::METHOD_GET,
]
);
}
}