public function httpGet(RequestInterface $request, ResponseInterface $response)
    {
        // We're not using straight-up $_GET, because we want everything to be
        // unit testable.
        $getVars = $request->getQueryParameters();

        // CSP headers
        $response->setHeader('Content-Security-Policy', "default-src 'none'; img-src 'self'; style-src 'self'; font-src 'self';");

        $sabreAction = isset($getVars['sabreAction']) ? $getVars['sabreAction'] : null;

        switch ($sabreAction) {
            case 'asset':
                // Asset handling, such as images
                $this->serveAsset(isset($getVars['assetName']) ? $getVars['assetName'] : null);

                return false;
            default:
            case 'info':
                try {
                    $this->server->tree->getNodeForPath($request->getPath());
                } catch (DAV\Exception\NotFound $e) {
                    // We're simply stopping when the file isn't found to not interfere
                    // with other plugins.
                    return;
                }

                $response->setStatus(200);
                $response->setHeader('Content-Type', 'text/html; charset=utf-8');

                $response->setBody(
                    $this->generateDirectoryIndex($request->getPath())
                );

                return false;

            case 'plugins':
                $response->setStatus(200);
                $response->setHeader('Content-Type', 'text/html; charset=utf-8');

                $response->setBody(
                    $this->generatePluginListing()
                );

                return false;
        }
    }