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<?php |
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namespace hiapi\Core\Http\Psr15\Middleware; |
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use hiapi\Core\Utils\CIDR; |
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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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class UserRealIpMiddleware implements MiddlewareInterface |
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{ |
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public const ATTRIBUTE_NAME = 'user-real-ip'; |
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/** |
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* @var array |
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*/ |
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private $nets; |
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public $ipAttribute = self::ATTRIBUTE_NAME; |
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public function __construct(array $nets) |
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{ |
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$this->nets = $nets; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface |
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{ |
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return $handler->handle($this->prepare($request)); |
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} |
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private function prepare(ServerRequestInterface $request): ServerRequestInterface |
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{ |
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$oldip = $this->getIp($request); |
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$request = $request->withAttribute($this->ipAttribute, $oldip); |
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if (!CIDR::matchBulk($oldip, $this->nets)) { |
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return $request; |
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} |
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$newip = $this->getNewIp($request); |
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if (empty($newip) || $newip == $oldip) { |
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return $request; |
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} |
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return $this->setNewIp($request, $newip); |
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} |
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private function getIp(ServerRequestInterface $request): string |
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{ |
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return $request->getServerParams()['REMOTE_ADDR'] ?? ''; |
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} |
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private function getNewIp(ServerRequestInterface $request): string |
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{ |
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$change = $request->getHeaderLine('X-User-Ip') ?: $this->getParam($request, 'auth_ip') ?? null; |
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return filter_var($change, FILTER_VALIDATE_IP) ?: ''; |
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} |
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private function setNewIp(ServerRequestInterface $request, string $ip) |
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{ |
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/// legacy compatibility |
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unset($_REQUEST['auth_ip']); |
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$_SERVER['REMOTE_ADDR'] = $ip; |
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# XXX TODO withServerParams NOT DEFINED !!! |
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#$params = $request->getServerParams(); |
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#$params['REMOTE_ADDR'] = $ip; |
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#return $request->withServerParams($params); |
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return $request->withAttribute($this->ipAttribute, $ip); |
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} |
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public function getParam(ServerRequestInterface $request, string $name): ?string |
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{ |
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return $request->getParsedBody()[$name] ?? $request->getQueryParams()[$name] ?? null; |
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} |
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} |
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hiqdev /
hiapi
