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<?php |
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declare(strict_types=1); |
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namespace Jasny\Auth\Session\Jwt; |
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use Psr\Http\Message\ResponseInterface as Response; |
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use Psr\Http\Message\ServerRequestInterface as ServerRequest; |
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use Psr\Http\Server\MiddlewareInterface; |
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use Psr\Http\Server\RequestHandlerInterface as RequestHandler; |
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/** |
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* Middleware to get JWT cookie from a PSR-7 request and set JWT cookie in the response. |
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*/ |
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class CookieMiddleware implements MiddlewareInterface |
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{ |
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protected string $name; |
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/** |
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* @var array<string,mixed> |
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*/ |
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protected array $options = [ |
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'path' => '', |
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'domain' => '', |
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'secure' => false, |
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'httponly' => true, |
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'samesite' => '', |
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]; |
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/** |
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* Cookies constructor. |
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* |
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* @param string $name |
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* @param array<string,mixed> $options |
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*/ |
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public function __construct(string $name = 'jwt', array $options = []) |
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{ |
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$this->name = $name; |
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$this->options = array_change_key_case($options, CASE_LOWER) + $this->options; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function process(ServerRequest $request, RequestHandler $handler): Response |
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{ |
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return $this->processRequest($request, [$handler, 'handle']); |
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} |
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/** |
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* Get a callback that can be used as double pass middleware. |
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* |
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* @return callable |
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*/ |
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public function asDoublePass(): callable |
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{ |
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return function (ServerRequest $request, Response $response, callable $next): Response { |
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return $this->processRequest($request, fn(ServerRequest $request) => $next($request, $response)); |
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}; |
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} |
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/** |
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* Process the PSR-7 request and set the JWT cookie for the response. |
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* |
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* @param ServerRequest $request |
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* @param callable(ServerRequest):Response $handle |
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* @return Response |
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*/ |
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protected function processRequest(ServerRequest $request, callable $handle): Response |
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{ |
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$cookieValue = $request->getCookieParams()[$this->name] ?? null; |
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$cookie = new CookieValue($cookieValue); |
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/** @var Response $response */ |
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$response = $handle($request->withAttribute('jwt_cookie', $cookie)); |
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// Cookie value has changed => jwt is set (or cleared) |
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if ($cookie->get() !== $cookieValue) { |
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$header = $this->getSetCookieHeader($cookie->get() ?? '', $cookie->getExpire()); |
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$response = $response->withAddedHeader('Set-Cookie', $header); |
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} |
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return $response; |
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} |
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/** |
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* Get the header string for `Set-Cookie`. |
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*/ |
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protected function getSetCookieHeader(string $value, int $expire): string |
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{ |
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$header = $this->name . '=' . urlencode($value); |
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if ($expire !== 0) { |
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$header .= '; Expires=' . gmdate('D, d M Y H:i:s T', $expire); |
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} |
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foreach (['Path', 'Domain', 'SameSite'] as $opt) { |
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$header .= (string)$this->options[strtolower($opt)] !== '' |
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? "; {$opt}=" . $this->options[strtolower($opt)] |
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: ''; |
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} |
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foreach (['Secure', 'HttpOnly'] as $opt) { |
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$header .= (string)$this->options[strtolower($opt)] !== '' |
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? "; {$opt}" |
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: ''; |
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} |
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return $header; |
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} |
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} |
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jasny /
auth
