<?php
/*
 * Pterodactyl - Panel
 * Copyright (c) 2015 - 2017 Dane Everitt <dane@daneeveritt.com>.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

namespace Pterodactyl\Http\Controllers\Server\Files;

use Illuminate\Log\Writer;
use Illuminate\Http\Request;
use Illuminate\Contracts\Session\Session;
use GuzzleHttp\Exception\RequestException;
use Pterodactyl\Http\Controllers\Controller;
use Illuminate\Contracts\Config\Repository as ConfigRepository;
use Pterodactyl\Contracts\Repository\Daemon\FileRepositoryInterface;

class RemoteRequestController extends Controller
{
    /**
     * @var \Illuminate\Contracts\Config\Repository
     */
    protected $config;

    /**
     * @var \Pterodactyl\Contracts\Repository\Daemon\FileRepositoryInterface
     */
    protected $fileRepository;

    /**
     * @var \Illuminate\Contracts\Session\Session
     */
    protected $session;

    /**
     * @var \Illuminate\Log\Writer
     */
    protected $writer;

    /**
     * RemoteRequestController constructor.
     *
     * @param \Illuminate\Contracts\Config\Repository                          $config
     * @param \Pterodactyl\Contracts\Repository\Daemon\FileRepositoryInterface $fileRepository
     * @param \Illuminate\Contracts\Session\Session                            $session
     * @param \Illuminate\Log\Writer                                           $writer
     */
    public function __construct(
        ConfigRepository $config,
        FileRepositoryInterface $fileRepository,
        Session $session,
        Writer $writer
    ) {
        $this->config = $config;
        $this->fileRepository = $fileRepository;
        $this->session = $session;
        $this->writer = $writer;
    }

    /**
     * Return a listing of a servers file directory.
     *
     * @param \Illuminate\Http\Request $request
     * @return \Illuminate\Http\JsonResponse|\Illuminate\View\View
     *
     * @throws \Illuminate\Auth\Access\AuthorizationException
     * @throws \Pterodactyl\Exceptions\Repository\RecordNotFoundException
     */
    public function directory(Request $request)
    {
        $server = $this->session->get('server_data.model');
        $this->authorize('list-files', $server);

        $requestDirectory = '/' . trim(urldecode($request->input('directory', '/')), '/');
        $directory = [
            'header' => $requestDirectory !== '/' ? $requestDirectory : '',
            'first' => $requestDirectory !== '/',
        ];

        $goBack = explode('/', trim($requestDirectory, '/'));
        if (! empty(array_filter($goBack)) && count($goBack) >= 2) {
            array_pop($goBack);

            $directory['show'] = true;
            $directory['link'] = '/' . implode('/', $goBack);
            $directory['link_show'] = implode('/', $goBack) . '/';
        }

        try {
            $listing = $this->fileRepository->setNode($server->node_id)
                ->setAccessServer($server->uuid)
                ->setAccessToken($this->session->get('server_data.token'))
                ->getDirectory($requestDirectory);
        } catch (RequestException $exception) {
            $this->writer->warning($exception);

            if (! is_null($exception->getResponse())) {
                return response()->json(
                    ['error' => $exception->getResponse()->getBody()], $exception->getResponse()->getStatusCode()
                );
            } else {
                return response()->json(['error' => trans('server.files.exceptions.list_directory')], 500);
            }
        }

        return view('server.files.list', [
            'files' => $listing['files'],
            'folders' => $listing['folders'],
            'editableMime' => $this->config->get('pterodactyl.files.editable'),
            'directory' => $directory,
        ]);
    }

    /**
     * Put the contents of a file onto the daemon.
     *
     * @param \Illuminate\Http\Request $request
     * @param string                   $uuid
     * @return \Illuminate\Http\JsonResponse
     *
     * @throws \Illuminate\Auth\Access\AuthorizationException
     * @throws \Pterodactyl\Exceptions\Repository\RecordNotFoundException
     */
    public function store(Request $request, $uuid)
    {
        $server = $this->session->get('server_data.model');
        $this->authorize('save-files', $server);

        try {
            $this->fileRepository->setNode($server->node_id)
                ->setAccessServer($server->uuid)
                ->setAccessToken($this->session->get('server_data.token'))
                ->putContent($request->input('file'), $request->input('contents'));

            return response('', 204);
        } catch (RequestException $exception) {
            $response = $exception->getResponse();
            $this->writer->warning($exception);

            if (! is_null($response)) {
                return response()->json(['error' => $response->getBody()], $response->getStatusCode());
            } else {
                return response()->json(['error' => trans('exceptions.daemon_connection_failed', [
                    'code' => is_null($response) ? 'E_CONN_REFUSED' : $response->getStatusCode(),
                ])], 500);
            }
        }
    }
}