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<?php |
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declare(strict_types=1); |
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namespace Yiisoft\User; |
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use Psr\Http\Message\ResponseInterface; |
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use Psr\Http\Message\ServerRequestInterface; |
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use Psr\Http\Server\MiddlewareInterface; |
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use Psr\Http\Server\RequestHandlerInterface; |
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use Psr\Log\LoggerInterface; |
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use Yiisoft\Auth\IdentityRepositoryInterface; |
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/** |
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* AutoLoginMiddleware automatically logs user in based on cookie. |
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*/ |
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final class AutoLoginMiddleware implements MiddlewareInterface |
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{ |
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private User $user; |
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private IdentityRepositoryInterface $identityRepository; |
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private LoggerInterface $logger; |
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private AutoLogin $autoLogin; |
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private bool $addCookie; |
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public function __construct( |
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User $user, |
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IdentityRepositoryInterface $identityRepository, |
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LoggerInterface $logger, |
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AutoLogin $autoLogin, |
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bool $addCookie = false |
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) { |
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$this->user = $user; |
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$this->identityRepository = $identityRepository; |
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$this->logger = $logger; |
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$this->autoLogin = $autoLogin; |
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$this->addCookie = $addCookie; |
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} |
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public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface |
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{ |
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$this->authenticateUserByCookieFromRequest($request); |
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$guestBeforeHandle = $this->user->isGuest(); |
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$response = $handler->handle($request); |
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$guestAfterHandle = $this->user->isGuest(); |
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if ($this->addCookie && $guestBeforeHandle && !$guestAfterHandle) { |
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$identity = $this->user->getIdentity(false); |
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if ($identity instanceof AutoLoginIdentityInterface) { |
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$response = $this->autoLogin->addCookie($identity, $response); |
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} |
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} |
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if (!$guestBeforeHandle && $guestAfterHandle) { |
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$response = $this->autoLogin->expireCookie($response); |
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} |
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return $response; |
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} |
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/** |
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* Authenticate user by auto login cookie from request. |
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* |
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* @param ServerRequestInterface $request Request instance containing auto login cookie. |
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*/ |
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private function authenticateUserByCookieFromRequest(ServerRequestInterface $request): void |
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{ |
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$cookieName = $this->autoLogin->getCookieName(); |
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$cookies = $request->getCookieParams(); |
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if (!array_key_exists($cookieName, $cookies)) { |
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return; |
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} |
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try { |
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$data = json_decode((string)$cookies[$cookieName], true, 512, JSON_THROW_ON_ERROR); |
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} catch (\Exception $e) { |
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$this->logger->warning('Unable to authenticate user by cookie. Invalid cookie.'); |
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return; |
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} |
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if (!is_array($data) || count($data) !== 2) { |
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$this->logger->warning('Unable to authenticate user by cookie. Invalid cookie.'); |
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return; |
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} |
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[$id, $key] = $data; |
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$id = (string)$id; |
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$key = (string)$key; |
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$identity = $this->identityRepository->findIdentity($id); |
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if ($identity === null) { |
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$this->logger->warning("Unable to authenticate user by cookie. Identity \"$id\" not found."); |
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return; |
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} |
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if (!$identity instanceof AutoLoginIdentityInterface) { |
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throw new \RuntimeException('Identity repository must return an instance of \Yiisoft\User\AutoLoginIdentityInterface in order for auto-login to function.'); |
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} |
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if (!$identity->validateAutoLoginKey($key)) { |
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$this->logger->warning('Unable to authenticate user by cookie. Invalid key.'); |
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return; |
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} |
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$this->user->login($identity); |
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} |
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} |
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yiisoft /
user
