Remove rewrite header

Improve request ids

Dockerfile

@@ -21,3 +21,4 @@ ENV password=password
 ENV exposeConfigPath=/src/config/expose.php
 
 CMD sed -i "s|username|${username}|g" ${exposeConfigPath} && sed -i "s|password|${password}|g" ${exposeConfigPath} && php expose serve ${domain} --port ${port} --validateAuthTokens
+ENTRYPOINT ["/src/expose"]

app/Client/Client.php

@@ -45,13 +45,13 @@ class Client
         $sharedUrl = $this->prepareSharedUrl($sharedUrl);
 
         foreach ($subdomains as $subdomain) {
-            $this->connectToServer($sharedUrl, $subdomain, config('expose.auth_token'));
+            $this->connectToServer($sharedUrl, $subdomain, $this->configuration->auth());
         }
     }
 
     public function sharePort(int $port)
     {
-        $this->connectToServerAndShareTcp($port, config('expose.auth_token'));
+        $this->connectToServerAndShareTcp($port, $this->configuration->auth());
     }
 
     protected function prepareSharedUrl(string $sharedUrl): string
@@ -60,16 +60,11 @@ class Client
             return $sharedUrl;
         }
 
-        $url = Arr::get($parsedUrl, 'host', Arr::get($parsedUrl, 'path'));
+        $host = Arr::get($parsedUrl, 'host', Arr::get($parsedUrl, 'path', 'localhost'));
+        $scheme = Arr::get($parsedUrl, 'scheme', 'http');
+        $port = Arr::get($parsedUrl, 'port', $scheme === 'https' ? 443 : 80);
 
-        if (Arr::get($parsedUrl, 'scheme') === 'https') {
-            $url .= ':443';
-        }
-        if (! is_null($port = Arr::get($parsedUrl, 'port'))) {
-            $url .= ":{$port}";
-        }
-
-        return $url;
+        return sprintf('%s://%s:%s', $scheme, $host, $port);
     }
 
     public function connectToServer(string $sharedUrl, $subdomain, $authToken = ''): PromiseInterface

app/Client/Http/HttpClient.php

@@ -11,10 +11,12 @@ use function GuzzleHttp\Psr7\str;
 use Laminas\Http\Request;
 use Psr\Http\Message\RequestInterface;
 use Psr\Http\Message\ResponseInterface;
+use Psr\Http\Message\UriInterface;
 use Ratchet\Client\WebSocket;
 use Ratchet\RFC6455\Messaging\Frame;
 use React\EventLoop\LoopInterface;
 use React\Socket\Connector;
+use React\Stream\ReadableStreamInterface;
 
 class HttpClient
 {
@@ -74,7 +76,6 @@ class HttpClient
     protected function createConnector(): Connector
     {
         return new Connector($this->loop, [
-            'dns' => '127.0.0.1',
             'tls' => [
                 'verify_peer' => false,
                 'verify_peer_name' => false,
@@ -85,22 +86,17 @@ class HttpClient
     protected function sendRequestToApplication(RequestInterface $request, $proxyConnection = null)
     {
         (new Browser($this->loop, $this->createConnector()))
-            ->withOptions([
-                'followRedirects' => false,
-                'obeySuccessCode' => false,
-                'streaming' => true,
-            ])
-            ->send($request)
+            ->withFollowRedirects(false)
+            ->withRejectErrorResponse(false)
+            ->requestStreaming($request->getMethod(), $this->getExposeUri($request), $request->getHeaders(), $request->getBody())
             ->then(function (ResponseInterface $response) use ($proxyConnection) {
                 if (! isset($response->buffer)) {
-                    $response = $this->rewriteResponseHeaders($response);
-
                     $response->buffer = str($response);
                 }
 
                 $this->sendChunkToServer($response->buffer, $proxyConnection);
 
-                /* @var $body \React\Stream\ReadableStreamInterface */
+                /* @var $body ReadableStreamInterface */
                 $body = $response->getBody();
 
                 $this->logResponse(str($response));
@@ -137,24 +133,14 @@ class HttpClient
         return Request::fromString($data);
     }
 
-    protected function rewriteResponseHeaders(ResponseInterface $response)
+    private function getExposeUri(RequestInterface $request): UriInterface
     {
-        if (!$response->hasHeader('Location')) {
-            return $response;
-        }
+        $exposeProto = $request->getHeader('x-expose-proto')[0];
+        $exposeHost = explode(':', $request->getHeader('x-expose-host')[0]);
 
-        $location = $response->getHeaderLine('Location');
-
-        if (!strstr($location, $this->connectionData->host)) {
-            return $response;
-        }
-
-        $location = str_replace(
-            $this->connectionData->host,
-            $this->configuration->getUrl($this->connectionData->subdomain),
-            $location
-        );
-
-        return $response->withHeader('Location', $location);
+        return $request->getUri()
+            ->withScheme($exposeProto)
+            ->withHost($exposeHost[0])
+            ->withPort($exposeHost[1]);
     }
 }

app/Commands/ShareCommand.php

@@ -10,7 +10,7 @@ use Symfony\Component\Console\Output\ConsoleOutput;
 
 class ShareCommand extends Command
 {
-    protected $signature = 'share {host} {--subdomain=} {--auth=}';
+    protected $signature = 'share {host} {--subdomain=} {--auth=} {--server-host=} {--server-port=}';
 
     protected $description = 'Share a local url with a remote expose server';
 
@@ -27,11 +27,15 @@ class ShareCommand extends Command
     {
         $this->configureConnectionLogger();
 
+        $serverHost = $this->option('server-host') ?? config('expose.host', 'localhost');
+        $serverPort = $this->option('server-port') ?? config('expose.port', 8080);
+        $auth = $this->option('auth') ?? config('expose.auth_token', '');
+
         (new Factory())
             ->setLoop(app(LoopInterface::class))
-            ->setHost(config('expose.host', 'localhost'))
-            ->setPort(config('expose.port', 8080))
-            ->setAuth($this->option('auth'))
+            ->setHost($serverHost)
+            ->setPort($serverPort)
+            ->setAuth($auth)
             ->createClient()
             ->share($this->argument('host'), explode(',', $this->option('subdomain')))
             ->createHttpServer()

app/Commands/ShareCurrentWorkingDirectoryCommand.php

@@ -4,7 +4,7 @@ namespace App\Commands;
 
 class ShareCurrentWorkingDirectoryCommand extends ShareCommand
 {
-    protected $signature = 'share-cwd {host?} {--subdomain=} {--auth=}';
+    protected $signature = 'share-cwd {host?} {--subdomain=} {--auth=} {--server-host=} {--server-port=}';
 
     public function handle()
     {

app/Providers/AppServiceProvider.php

@@ -37,6 +37,14 @@ class AppServiceProvider extends ServiceProvider
     {
         $builtInConfig = config('expose');
 
+        $keyServerVariable = 'EXPOSE_CONFIG_FILE';
+        if (array_key_exists($keyServerVariable, $_SERVER) && is_string($_SERVER[$keyServerVariable]) && file_exists($_SERVER[$keyServerVariable])) {
+            $localConfig = require $_SERVER[$keyServerVariable];
+            config()->set('expose', array_merge($builtInConfig, $localConfig));
+
+            return;
+        }
+
         $localConfigFile = getcwd().DIRECTORY_SEPARATOR.'.expose.php';
 
         if (file_exists($localConfigFile)) {

app/Server/Connections/ConnectionManager.php

@@ -45,15 +45,13 @@ class ConnectionManager implements ConnectionManagerContract
 
     public function storeConnection(string $host, ?string $subdomain, ConnectionInterface $connection): ControlConnection
     {
-        $clientId = (string) uniqid();
-
-        $connection->client_id = $clientId;
+        $connection->client_id = sha1(uniqid('', true));
 
         $storedConnection = new ControlConnection(
             $connection,
             $host,
             $subdomain ?? $this->subdomainGenerator->generateSubdomain(),
-            $clientId,
+            $connection->client_id,
             $this->getAuthTokenFromConnection($connection)
         );
 

app/Server/Http/Controllers/TunnelMessageController.php

@@ -113,9 +113,13 @@ class TunnelMessageController extends Controller
             $host .= ":{$this->configuration->port()}";
         }
 
-        $request->headers->set('Host', $controlConnection->host);
+        $exposeUrl = parse_url($controlConnection->host);
+
+        $request->headers->set('Host', "{$controlConnection->subdomain}.{$host}");
         $request->headers->set('X-Forwarded-Proto', $request->isSecure() ? 'https' : 'http');
-        $request->headers->set('X-Expose-Request-ID', uniqid());
+        $request->headers->set('X-Expose-Request-ID', sha1(uniqid('', true)));
+        $request->headers->set('X-Expose-Host', sprintf('%s:%s', $exposeUrl['host'], $exposeUrl['port']));
+        $request->headers->set('X-Expose-Proto', $exposeUrl['scheme']);
         $request->headers->set('Upgrade-Insecure-Requests', 1);
         $request->headers->set('X-Exposed-By', config('app.name').' '.config('app.version'));
         $request->headers->set('X-Original-Host', "{$controlConnection->subdomain}.{$host}");

docs/client/configuration.md

@@ -17,6 +17,12 @@ The configuration file will be written to your home directory inside a `.expose`
 
 `~/.expose/config.php`
 
+You can also provide a custom location of the config file by providing the full path as a server variable.
+
+```bash
+EXPOSE_CONFIG_FILE="~/my-custom-config.php" expose share
+```
+
 And the default content of the configuration file is this:
 
 ```php