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Direktori : /home2/selectio/www/3-idiots/vendor/fideloper/proxy/src/ |
Current File : //home2/selectio/www/3-idiots/vendor/fideloper/proxy/src/TrustProxies.php |
<?php namespace Fideloper\Proxy; use Closure; use Illuminate\Http\Request; use Illuminate\Contracts\Config\Repository; class TrustProxies { /** * The config repository instance. * * @var \Illuminate\Contracts\Config\Repository */ protected $config; /** * The trusted proxies for the application. * * @var null|string|array */ protected $proxies; /** * The proxy header mappings. * * @var null|string|int */ protected $headers; /** * Create a new trusted proxies middleware instance. * * @param \Illuminate\Contracts\Config\Repository $config */ public function __construct(Repository $config) { $this->config = $config; } /** * Handle an incoming request. * * @param \Illuminate\Http\Request $request * @param \Closure $next * * @throws \Symfony\Component\HttpKernel\Exception\HttpException * * @return mixed */ public function handle(Request $request, Closure $next) { $request::setTrustedProxies([], $this->getTrustedHeaderNames()); // Reset trusted proxies between requests $this->setTrustedProxyIpAddresses($request); return $next($request); } /** * Sets the trusted proxies on the request to the value of trustedproxy.proxies * * @param \Illuminate\Http\Request $request */ protected function setTrustedProxyIpAddresses(Request $request) { $trustedIps = $this->proxies ?: $this->config->get('trustedproxy.proxies'); // Trust any IP address that calls us // `**` for backwards compatibility, but is deprecated if ($trustedIps === '*' || $trustedIps === '**') { return $this->setTrustedProxyIpAddressesToTheCallingIp($request); } // Support IPs addresses separated by comma $trustedIps = is_string($trustedIps) ? array_map('trim', explode(',', $trustedIps)) : $trustedIps; // Only trust specific IP addresses if (is_array($trustedIps)) { return $this->setTrustedProxyIpAddressesToSpecificIps($request, $trustedIps); } } /** * Specify the IP addresses to trust explicitly. * * @param \Illuminate\Http\Request $request * @param array $trustedIps */ private function setTrustedProxyIpAddressesToSpecificIps(Request $request, $trustedIps) { $request->setTrustedProxies((array) $trustedIps, $this->getTrustedHeaderNames()); } /** * Set the trusted proxy to be the IP address calling this servers * * @param \Illuminate\Http\Request $request */ private function setTrustedProxyIpAddressesToTheCallingIp(Request $request) { $request->setTrustedProxies([$request->server->get('REMOTE_ADDR')], $this->getTrustedHeaderNames()); } /** * Retrieve trusted header name(s), falling back to defaults if config not set. * * @return int A bit field of Request::HEADER_*, to set which headers to trust from your proxies. */ protected function getTrustedHeaderNames() { $headers = $this->headers ?: $this->config->get('trustedproxy.headers'); switch ($headers) { case 'HEADER_X_FORWARDED_AWS_ELB': case Request::HEADER_X_FORWARDED_AWS_ELB: return Request::HEADER_X_FORWARDED_AWS_ELB; break; case 'HEADER_FORWARDED': case Request::HEADER_FORWARDED: return Request::HEADER_FORWARDED; break; case 'HEADER_X_FORWARDED_FOR': case Request::HEADER_X_FORWARDED_FOR: return Request::HEADER_X_FORWARDED_FOR; break; case 'HEADER_X_FORWARDED_HOST': case Request::HEADER_X_FORWARDED_HOST: return Request::HEADER_X_FORWARDED_HOST; break; case 'HEADER_X_FORWARDED_PORT': case Request::HEADER_X_FORWARDED_PORT: return Request::HEADER_X_FORWARDED_PORT; break; case 'HEADER_X_FORWARDED_PROTO': case Request::HEADER_X_FORWARDED_PROTO: return Request::HEADER_X_FORWARDED_PROTO; break; default: return Request::HEADER_X_FORWARDED_FOR | Request::HEADER_X_FORWARDED_HOST | Request::HEADER_X_FORWARDED_PORT | Request::HEADER_X_FORWARDED_PROTO | Request::HEADER_X_FORWARDED_AWS_ELB; } return $headers; } }