Move into nested docroot

web/vendor/stack/builder/src/Stack/Builder.php

@@ -0,0 +1,63 @@
+<?php
+
+namespace Stack;
+
+use Symfony\Component\HttpKernel\HttpKernelInterface;
+
+class Builder
+{
+    private $specs;
+
+    public function __construct()
+    {
+        $this->specs = new \SplStack();
+    }
+
+    public function unshift(/*$kernelClass, $args...*/)
+    {
+        if (func_num_args() === 0) {
+            throw new \InvalidArgumentException("Missing argument(s) when calling unshift");
+        }
+
+        $spec = func_get_args();
+        $this->specs->unshift($spec);
+
+        return $this;
+    }
+
+    public function push(/*$kernelClass, $args...*/)
+    {
+        if (func_num_args() === 0) {
+            throw new \InvalidArgumentException("Missing argument(s) when calling push");
+        }
+
+        $spec = func_get_args();
+        $this->specs->push($spec);
+
+        return $this;
+    }
+
+    public function resolve(HttpKernelInterface $app)
+    {
+        $middlewares = array($app);
+
+        foreach ($this->specs as $spec) {
+            $args = $spec;
+            $firstArg = array_shift($args);
+
+            if (is_callable($firstArg)) {
+                $app = $firstArg($app);
+            } else {
+                $kernelClass = $firstArg;
+                array_unshift($args, $app);
+
+                $reflection = new \ReflectionClass($kernelClass);
+                $app = $reflection->newInstanceArgs($args);
+            }
+
+            array_unshift($middlewares, $app);
+        }
+
+        return new StackedHttpKernel($app, $middlewares);
+    }
+}

web/vendor/stack/builder/src/Stack/StackedHttpKernel.php

@@ -0,0 +1,37 @@
+<?php
+
+namespace Stack;
+
+use Symfony\Component\HttpKernel\HttpKernelInterface;
+use Symfony\Component\HttpKernel\TerminableInterface;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+
+class StackedHttpKernel implements HttpKernelInterface, TerminableInterface
+{
+    private $app;
+    private $middlewares = array();
+
+    public function __construct(HttpKernelInterface $app, array $middlewares)
+    {
+        $this->app = $app;
+        $this->middlewares = $middlewares;
+    }
+
+    public function handle(Request $request, $type = HttpKernelInterface::MASTER_REQUEST, $catch = true)
+    {
+        return $this->app->handle($request, $type, $catch);
+    }
+
+    public function terminate(Request $request, Response $response)
+    {
+        $prevKernel = null;
+        foreach ($this->middlewares as $kernel) {
+            // if prev kernel was terminable we can assume this middleware has already been called
+            if (!$prevKernel instanceof TerminableInterface && $kernel instanceof TerminableInterface) {
+                $kernel->terminate($request, $response);
+            }
+            $prevKernel = $kernel;
+        }
+    }
+}