Implement basic front controller support

Author: igorw

composer.json

@@ -3,6 +3,9 @@
         "symfony/http-kernel": "2.1.*",
         "symfony/process": "2.1.*"
     },
+    "require-dev": {
+        "silex/silex": "1.0.*@dev"
+    },
     "autoload": {
         "psr-0": { "Igorw": "src" }
     }

composer.lock

@@ -10,15 +10,17 @@
 class CgiHttpKernel implements HttpKernelInterface
 {
     private $rootDir;
+    private $frontController;
 
-    public function __construct($rootDir)
+    public function __construct($rootDir, $frontController = null)
     {
         $this->rootDir = $rootDir;
+        $this->frontController = $frontController;
     }
 
     public function handle(Request $request, $type = HttpKernelInterface::MASTER_REQUEST, $catch = true)
     {
-        $filename = ltrim($request->getPathInfo(), '/');
+        $filename = $this->frontController ?: ltrim($request->getPathInfo(), '/');
 
         if (!file_exists($this->rootDir.'/'.$filename)) {
             return new Response('The requested file could not be found.', 404);
@@ -28,6 +30,10 @@ public function handle(Request $request, $type = HttpKernelInterface::MASTER_REQ
             ->add('php-cgi')
             ->add('-d expose_php=Off')
             ->add($filename)
+            ->setEnv('SCRIPT_NAME', $this->rootDir.'/'.$filename)
+            ->setEnv('PATH_INFO', $request->getPathInfo())
+            ->setEnv('QUERY_STRING', $request->getQueryString())
+            ->setEnv('REQUEST_URI', $request->getRequestUri())
             ->setWorkingDirectory($this->rootDir)
             ->getProcess();
 

src/Igorw/CgiHttpKernel/CgiHttpKernel.php

@@ -51,4 +51,15 @@ public function customErrorStatusCodeShouldBeSent()
 
         $this->assertSame(500, $response->getStatusCode());
     }
+
+    /** @test */
+    public function frontControllerShouldLoadPathInfo()
+    {
+        $this->kernel = new CgiHttpKernel(__DIR__.'/Fixtures', 'silex.php');
+
+        $request = Request::create('/foo');
+        $response = $this->kernel->handle($request);
+
+        $this->assertSame('bar', $response->getContent());
+    }
 }

tests/Igorw/CgiHttpKernel/CgiHttpKernelTest.php

@@ -0,0 +1,15 @@
+<?php
+
+require __DIR__.'/../../../../vendor/autoload.php';
+
+$app = new Silex\Application();
+
+$app->get('/foo', function () {
+    return 'bar';
+});
+
+$app->post('/baz', function () {
+    return 'qux';
+});
+
+$app->run();