<?php /** * Pterodactyl - Panel * Copyright (c) 2015 - 2016 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\Middleware; use Crypt; use IPTools\IP; use IPTools\Range; use Pterodactyl\Models\APIKey; use Pterodactyl\Models\APIPermission; use Illuminate\Http\Request; use Dingo\Api\Routing\Route; use Dingo\Api\Auth\Provider\Authorization; use Symfony\Component\HttpKernel\Exception\BadRequestHttpException; // 400 use Symfony\Component\HttpKernel\Exception\UnauthorizedHttpException; // 401 use Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException; // 403 use Symfony\Component\HttpKernel\Exception\HttpException; //500 class APISecretToken extends Authorization { protected $algo = 'sha256'; protected $permissionAllowed = false; protected $url = ''; public function __construct() { // } public function getAuthorizationMethod() { return 'Authorization'; } public function authenticate(Request $request, Route $route) { if (!$request->bearerToken() || empty($request->bearerToken())) { throw new UnauthorizedHttpException('The authentication header was missing or malformed'); } list($public, $hashed) = explode('.', $request->bearerToken()); $key = APIKey::where('public', $public)->first(); if (!$key) { throw new AccessDeniedHttpException('Invalid API Key.'); } // Check for Resource Permissions if (!empty($request->route()->getName())) { if(!is_null($key->allowed_ips)) { $inRange = false; foreach(json_decode($key->allowed_ips) as $ip) { if (Range::parse($ip)->contains(new IP($request->ip()))) { $inRange = true; break; } } if (!$inRange) { throw new AccessDeniedHttpException('This IP address <' . $request->ip() . '> does not have permission to use this API key.'); } } foreach(APIPermission::where('key_id', $key->id)->get() as &$row) { if ($row->permission === '*' || $row->permission === $request->route()->getName()) { $this->permissionAllowed = true; continue; } } if (!$this->permissionAllowed) { throw new AccessDeniedHttpException('You do not have permission to access this resource.'); } } try { $decrypted = Crypt::decrypt($key->secret); } catch (\Illuminate\Contracts\Encryption\DecryptException $ex) { throw new HttpException('There was an error while attempting to check your secret key.'); } $this->url = urldecode($request->fullUrl()); if($this->_generateHMAC($request->getContent(), $decrypted) !== base64_decode($hashed)) { throw new BadRequestHttpException('The hashed body was not valid. Potential modification of contents in route.'); } return true; } protected function _generateHMAC($body, $key) { $data = $this->url . $body; return hash_hmac($this->algo, $data, $key, true); } }