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<?php |
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/* |
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* sessionware (https://github.com/juliangut/sessionware). |
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* PSR7 session management middleware. |
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* |
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* @license BSD-3-Clause |
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* @link https://github.com/juliangut/sessionware |
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* @author Julián Gutiérrez <[email protected]> |
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*/ |
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declare(strict_types=1); |
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namespace Jgut\Middleware\Sessionware; |
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use Jgut\Middleware\Sessionware\Manager\Manager; |
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use Psr\Http\Message\ResponseInterface; |
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use Psr\Http\Message\ServerRequestInterface; |
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/** |
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* Session handling middleware. |
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*/ |
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class Sessionware |
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{ |
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const SESSION_KEY = '__SESSIONWARE_SESSION__'; |
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/** |
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* @var Manager |
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*/ |
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protected $sessionManager; |
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/** |
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* @var Session |
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*/ |
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protected $session; |
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/** |
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* Middleware constructor. |
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* |
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* @param Manager $sessionManager |
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*/ |
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public function __construct(Manager $sessionManager) |
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{ |
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$this->sessionManager = $sessionManager; |
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} |
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/** |
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* Get session from request. |
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* |
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* @param ServerRequestInterface $request |
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* |
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* @return Session |
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*/ |
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public static function getSession(ServerRequestInterface $request) : Session |
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{ |
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return $request->getAttribute(static::SESSION_KEY); |
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} |
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/** |
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* Execute middleware. |
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* |
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* @param ServerRequestInterface $request |
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* @param ResponseInterface $response |
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* @param callable $next |
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* |
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* @throws \RuntimeException |
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* |
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* @return ResponseInterface |
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*/ |
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public function __invoke( |
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ServerRequestInterface $request, |
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ResponseInterface $response, |
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callable $next |
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) :ResponseInterface { |
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$requestCookies = $request->getCookieParams(); |
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$sessionName = $this->sessionManager->getConfiguration()->getName(); |
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if (array_key_exists($sessionName, $requestCookies) && !empty($requestCookies[$sessionName])) { |
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$this->sessionManager->setSessionId($requestCookies[$sessionName]); |
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} |
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$this->session = new Session($this->sessionManager); |
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$response = $next($request->withAttribute(static::SESSION_KEY, $this->session), $response); |
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$response = $this->respondWithSessionCookie($response); |
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$this->session->close(); |
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return $response; |
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} |
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/** |
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* Add session cookie Set-Cookie header to response. |
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* |
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* @param ResponseInterface $response |
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* |
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* @return ResponseInterface |
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*/ |
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protected function respondWithSessionCookie(ResponseInterface $response) : ResponseInterface |
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{ |
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if (!$this->session->isActive()) { |
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return $response; |
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} |
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$configuration = $this->getConfiguration(); |
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$timeoutKey = $configuration->getTimeoutKey(); |
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$expireTime = $this->session->has($timeoutKey) |
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? $this->session->get($timeoutKey) |
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: time() - $configuration->getLifetime(); |
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return $response->withAddedHeader( |
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'Set-Cookie', |
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sprintf( |
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'%s=%s; %s', |
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urlencode($configuration->getName()), |
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urlencode($this->session->getId()), |
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$this->getSessionCookieParameters($expireTime) |
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) |
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); |
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} |
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/** |
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* Get session cookie parameters. |
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* |
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* @param int $expireTime |
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* |
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* @return string |
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*/ |
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protected function getSessionCookieParameters(int $expireTime) : string |
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{ |
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$configuration = $this->getConfiguration(); |
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$cookieParams = [ |
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sprintf( |
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'expires=%s; max-age=%s', |
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gmdate('D, d M Y H:i:s T', $expireTime), |
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$configuration->getLifetime() |
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), |
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]; |
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if (!empty($configuration->getCookiePath())) { |
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$cookieParams[] = 'path=' . $configuration->getCookiePath(); |
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} |
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if (!empty($configuration->getCookieDomain())) { |
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$cookieParams[] = 'domain=' . $configuration->getCookieDomain(); |
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} |
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if ($configuration->isCookieSecure()) { |
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$cookieParams[] = 'secure'; |
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} |
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if ($configuration->isCookieHttpOnly()) { |
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$cookieParams[] = 'httponly'; |
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} |
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return implode('; ', $cookieParams); |
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} |
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/** |
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* Get session configuration. |
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* |
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* @return Configuration |
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*/ |
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protected function getConfiguration() : Configuration |
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{ |
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return $this->sessionManager->getConfiguration(); |
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} |
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} |
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juliangut /
sessionware
