wip

app/Http/Controllers/PostController.php

@@ -0,0 +1,92 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use App\Http\QueryParameters;
+use GuzzleHttp\Psr7\ServerRequest;
+use Illuminate\Http\Request;
+use Illuminate\Support\Collection;
+use Psr\Http\Message\RequestInterface;
+use Ratchet\ConnectionInterface;
+use Symfony\Bridge\PsrHttpMessage\Factory\HttpFoundationFactory;
+use function GuzzleHttp\Psr7\parse_request;
+
+abstract class PostController extends Controller
+{
+    protected $keepConnectionOpen = false;
+
+    public function onOpen(ConnectionInterface $connection, RequestInterface $request = null)
+    {
+        $connection->contentLength = $this->findContentLength($request->getHeaders());
+
+        $connection->requestBuffer = (string) $request->getBody();
+
+        $connection->request = $request;
+
+        $this->checkContentLength($connection);
+    }
+
+    public function onMessage(ConnectionInterface $from, $msg)
+    {
+        if (! isset($from->requestBuffer)) {
+            $request = parse_request($msg);
+            $from->contentLength = $this->findContentLength($request->getHeaders());
+            $from->request = $request;
+            $from->requestBuffer = (string) $request->getBody();
+        } else {
+            $from->requestBuffer .= $msg;
+        }
+
+        $this->checkContentLength($from);
+    }
+
+    protected function findContentLength(array $headers): int
+    {
+        return Collection::make($headers)->first(function ($values, $header) {
+                return strtolower($header) === 'content-length';
+            })[0] ?? 0;
+    }
+
+    protected function checkContentLength(ConnectionInterface $connection)
+    {
+        if (strlen($connection->requestBuffer) === $connection->contentLength) {
+            $laravelRequest = $this->createLaravelRequest($connection);
+
+            $this->handle($laravelRequest, $connection);
+
+            if (! $this->keepConnectionOpen) {
+                $connection->close();
+            }
+
+            unset($connection->requestBuffer);
+            unset($connection->contentLength);
+            unset($connection->request);
+        }
+    }
+
+    abstract public function handle(Request $request, ConnectionInterface $httpConnection);
+
+    protected function createLaravelRequest(ConnectionInterface $connection): Request
+    {
+        try {
+            parse_str($connection->requestBuffer, $bodyParameters);
+        } catch (\Throwable $e) {
+            $bodyParameters = [];
+        }
+
+        $serverRequest = (new ServerRequest(
+            $connection->request->getMethod(),
+            $connection->request->getUri(),
+            $connection->request->getHeaders(),
+            $connection->requestBuffer,
+            $connection->request->getProtocolVersion(),
+            [
+                'REMOTE_ADDR' => $connection->remoteAddress
+            ]
+        ))
+            ->withQueryParams(QueryParameters::create($connection->request)->all())
+            ->withParsedBody($bodyParameters);
+
+        return Request::createFromBase((new HttpFoundationFactory)->createRequest($serverRequest));
+    }
+}