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<?php declare(strict_types=1); |
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namespace WyriHaximus\React\Http\Middleware; |
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use HansOtt\PSR7Cookies\RequestCookies; |
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use HansOtt\PSR7Cookies\SetCookie; |
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use Psr\Http\Message\ResponseInterface; |
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use Psr\Http\Message\ServerRequestInterface; |
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use React\Cache\CacheInterface; |
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use React\Promise\PromiseInterface; |
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use Throwable; |
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use WyriHaximus\React\Http\Middleware\SessionId\RandomBytes; |
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use function React\Promise\resolve; |
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final class SessionMiddleware |
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{ |
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const ATTRIBUTE_NAME = 'wyrihaximus.react.http.middleware.session'; |
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/** |
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* @var string |
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*/ |
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private $cookieName = ''; |
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/** |
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* @var CacheInterface |
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*/ |
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private $cache; |
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/** |
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* @var array |
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*/ |
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private $cookieParams = []; |
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/** |
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* @var SessionIdInterface |
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*/ |
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private $sessionId; |
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/** |
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* @param string $cookieName |
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* @param CacheInterface $cache |
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* @param array $cookieParams |
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*/ |
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public function __construct( |
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string $cookieName, |
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CacheInterface $cache, |
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array $cookieParams = [], |
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SessionIdInterface $sessionId = null |
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) { |
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$this->cookieName = $cookieName; |
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$this->cache = $cache; |
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$this->cookieParams = $cookieParams; |
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if ($sessionId === null) { |
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$sessionId = new RandomBytes(); |
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} |
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$this->sessionId = $sessionId; |
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} |
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public function __invoke(ServerRequestInterface $request, callable $next) |
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{ |
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return $this->fetchSessionFromRequest($request)->then(function (Session $session) use ($next, $request) { |
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$requestSessionId = $session->getId(); |
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$request = $request->withAttribute(self::ATTRIBUTE_NAME, $session); |
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return resolve( |
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$next($request) |
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)->then(function (ResponseInterface $response) use ($session, $requestSessionId) { |
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$this->updateCache($session->getId(), $requestSessionId, $session->getContents()); |
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$cookie = new SetCookie($this->cookieName, $session->getId(), ...$this->cookieParams); |
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$response = $cookie->addToResponse($response); |
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return $response; |
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}); |
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}); |
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} |
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private function fetchSessionFromRequest(ServerRequestInterface $request): PromiseInterface |
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{ |
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$id = ''; |
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$cookies = RequestCookies::createFromRequest($request); |
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try { |
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if (!$cookies->has($this->cookieName)) { |
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return resolve(new Session($id, [], $this->sessionId)); |
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} |
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$id = $cookies->get($this->cookieName)->getValue(); |
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return $this->fetchSessionDataFromCache($id)->then(function (array $sessionData) use ($id) { |
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return new Session($id, $sessionData, $this->sessionId); |
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}); |
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} catch (Throwable $et) { |
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// Do nothing, only a not found will be thrown so generating our own id now |
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} |
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return resolve(new Session($id, [], $this->sessionId)); |
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} |
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private function fetchSessionDataFromCache(string $id): PromiseInterface |
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{ |
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return $this->cache->get($id)->otherwise(function () { |
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return resolve([]); |
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}); |
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} |
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private function updateCache(string $currentSessionId, string $requestSessionId, array $contents) |
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{ |
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if ($currentSessionId !== '') { |
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return $this->cache->set($currentSessionId, $contents); |
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} |
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if ($currentSessionId === '' && $requestSessionId !== '') { |
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return $this->cache->remove($requestSessionId); |
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} |
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} |
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} |
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WyriHaximus /
reactphp-http-middleware-session
Loading history...
It seems like you are assigning to a variable which was imported through a
usestatement which was not imported by reference.For clarity, we suggest to use a different name or import by reference depending on whether you would like to have the change visibile in outer-scope.
Change not visible in outer-scope
Change visible in outer-scope