Initial commit

Witold Wasiczko · Witold Wasiczko · commit 93fb52f9fadc · 2015-11-25T16:35:26.000+01:00
diff --git a/.gitignore b/.gitignore
@@ -0,0 +1 @@
+/nbproject/private/
diff --git a/composer.json b/composer.json
@@ -0,0 +1,11 @@
+{
+    "name": "php-middleware/request-simulator",
+    "require": {
+        "zendframework/zend-diactoros": "1.*"
+    },
+    "autoload": {
+        "psr-4": {
+            "PhpMiddleware\\RequestSimulator\\": "src/"
+        }
+    }
+}
diff --git a/src/RequestSimulatorMiddleware.php b/src/RequestSimulatorMiddleware.php
@@ -0,0 +1,50 @@
+<?php
+
+namespace PhpMiddleware\RequestSimulator;
+
+use Psr\Http\Message\ResponseInterface;
+use Psr\Http\Message\ServerRequestInterface;
+use Zend\Diactoros\Request\Serializer as RequestSerializer;
+use Zend\Diactoros\Response\HtmlResponse;
+use Zend\Diactoros\Response\Serializer as ResponseSerializer;
+
+class RequestSimulatorMiddleware
+{
+    const PARAM = 'simulated-request';
+
+    public function __invoke(ServerRequestInterface $request, ResponseInterface $response, callable $next)
+    {
+        $parsedBody = $request->getParsedBody();
+
+        if ($request->getMethod() === 'POST' && is_array($parsedBody) && isset($parsedBody[self::PARAM])) {
+            $requestToSimulate = $parsedBody[self::PARAM];
+            $request = RequestSerializer::fromString($requestToSimulate);
+        }
+
+        $requestAsString = RequestSerializer::toString($request);
+
+        $responseResult = $next($request, $response);
+
+        $responseAsString = ResponseSerializer::toString($responseResult);
+
+        $html = sprintf($this->getHtmlTemplate(), self::PARAM, $requestAsString, $responseAsString);
+
+        return new HtmlResponse($html);
+    }
+
+    private function getHtmlTemplate()
+    {
+        return '<html>'
+                . '<body>'
+                . '<h1>Request simulator</h1>'
+                . '<form method="post">'
+                . '<h2>Request</h2>'
+                . '<textarea name="%s">%s</textarea>'
+                . '<input type="submit" />'
+                . '</form>'
+                . '<h2>Response</h2>'
+                . '<code>%s</code>'
+                . '</body>'
+                . '</html>';
+    }
+}
