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<?php |
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declare(strict_types=1); |
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namespace Facile\OpenIDClient\Middleware; |
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use function class_exists; |
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use Dflydev\FigCookies\Cookies; |
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use Dflydev\FigCookies\FigResponseCookies; |
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use Dflydev\FigCookies\Modifier\SameSite; |
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use Dflydev\FigCookies\SetCookie; |
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use Facile\OpenIDClient\Exception\LogicException; |
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use Facile\OpenIDClient\Exception\RuntimeException; |
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use Facile\OpenIDClient\Session\AuthSession; |
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use Facile\OpenIDClient\Session\AuthSessionInterface; |
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use function is_array; |
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use function json_decode; |
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use function json_encode; |
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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\SimpleCache\CacheInterface; |
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/** |
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* @psalm-import-type AuthSessionType from AuthSessionInterface |
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*/ |
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class SessionCookieMiddleware implements MiddlewareInterface |
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{ |
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public const SESSION_ATTRIBUTE = AuthSessionInterface::class; |
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/** @var string */ |
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private $cookieName; |
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/** @var int */ |
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private $ttl; |
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/** @var CacheInterface */ |
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private $cache; |
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public function __construct(CacheInterface $cache, string $cookieName = 'openid', int $ttl = 300) |
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{ |
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$this->cache = $cache; |
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$this->cookieName = $cookieName; |
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$this->ttl = $ttl; |
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} |
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public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface |
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{ |
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if (! class_exists(Cookies::class)) { |
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throw new LogicException('To use the SessionCookieMiddleware you should install dflydev/fig-cookies package'); |
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} |
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$cookies = Cookies::fromRequest($request); |
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$sessionCookie = $cookies->get($this->cookieName); |
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$sessionId = null !== $sessionCookie ? $sessionCookie->getValue() : null; |
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/** @var string|null $sessionValue */ |
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$sessionValue = null !== $sessionId ? $this->cache->get($sessionId) : null; |
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/** @var false|AuthSessionType $data */ |
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$data = null !== $sessionValue ? json_decode($sessionValue, true) : []; |
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if (! is_array($data)) { |
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$data = []; |
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} |
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$authSession = AuthSession::fromArray($data); |
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$response = $handler->handle($request->withAttribute(self::SESSION_ATTRIBUTE, $authSession)); |
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$sessionId = $sessionId ?? bin2hex(random_bytes(32)); |
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/** @var string $sessionValue */ |
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$sessionValue = json_encode($authSession); |
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if (false === $this->cache->set($sessionId, $sessionValue, $this->ttl)) { |
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throw new RuntimeException('Unable to save session'); |
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} |
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$sessionCookie = SetCookie::create($this->cookieName) |
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->withValue($sessionId) |
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->withMaxAge($this->ttl) |
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->withHttpOnly() |
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->withPath('/') |
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->withSameSite(SameSite::strict()); |
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$response = FigResponseCookies::set($response, $sessionCookie); |
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return $response; |
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} |
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} |
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facile-it /
php-openid-client
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