134 lines
		
	
	
		
			5.4 KiB
		
	
	
	
		
			PHP
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			134 lines
		
	
	
		
			5.4 KiB
		
	
	
	
		
			PHP
		
	
	
		
			Executable File
		
	
	
	
	
| <?php
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| /**
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|  * Pterodactyl - Panel
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|  * Copyright (c) 2015 - 2016 Dane Everitt <dane@daneeveritt.com>.
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|  *
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|  * Permission is hereby granted, free of charge, to any person obtaining a copy
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|  * of this software and associated documentation files (the "Software"), to deal
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|  * in the Software without restriction, including without limitation the rights
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|  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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|  * copies of the Software, and to permit persons to whom the Software is
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|  * furnished to do so, subject to the following conditions:
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|  *
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|  * The above copyright notice and this permission notice shall be included in all
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|  * copies or substantial portions of the Software.
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|  *
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|  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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|  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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|  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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|  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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|  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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|  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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|  * SOFTWARE.
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|  */
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| 
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| namespace Pterodactyl\Http\Middleware;
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| 
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| use Auth;
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| use Crypt;
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| use Config;
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| use IPTools\IP;
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| use IPTools\Range;
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| use Dingo\Api\Routing\Route;
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| use Illuminate\Http\Request;
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| use Pterodactyl\Models\User;
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| use Pterodactyl\Models\APIKey;
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| use Pterodactyl\Models\APIPermission;
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| use Pterodactyl\Services\APILogService;
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| use Dingo\Api\Auth\Provider\Authorization;
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| use Symfony\Component\HttpKernel\Exception\HttpException; // 400
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| use Symfony\Component\HttpKernel\Exception\BadRequestHttpException; // 401
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| use Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException; // 403
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| use Symfony\Component\HttpKernel\Exception\UnauthorizedHttpException; //500
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| 
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| class APISecretToken extends Authorization
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| {
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|     protected $algo = 'sha256';
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| 
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|     protected $permissionAllowed = false;
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| 
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|     protected $url = '';
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| 
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|     public function __construct()
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|     {
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|         Config::set('session.driver', 'array');
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|     }
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| 
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|     public function getAuthorizationMethod()
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|     {
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|         return 'Authorization';
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|     }
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| 
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|     public function authenticate(Request $request, Route $route)
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|     {
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|         if (! $request->bearerToken() || empty($request->bearerToken())) {
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|             APILogService::log($request, 'The authentication header was missing or malformed.');
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|             throw new UnauthorizedHttpException('The authentication header was missing or malformed.');
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|         }
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| 
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|         list($public, $hashed) = explode('.', $request->bearerToken());
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| 
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|         $key = APIKey::where('public', $public)->first();
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|         if (! $key) {
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|             APILogService::log($request, 'Invalid API Key.');
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|             throw new AccessDeniedHttpException('Invalid API Key.');
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|         }
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| 
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|         // Check for Resource Permissions
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|         if (! empty($request->route()->getName())) {
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|             if (! is_null($key->allowed_ips)) {
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|                 $inRange = false;
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|                 foreach (json_decode($key->allowed_ips) as $ip) {
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|                     if (Range::parse($ip)->contains(new IP($request->ip()))) {
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|                         $inRange = true;
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|                         break;
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|                     }
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|                 }
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|                 if (! $inRange) {
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|                     APILogService::log($request, 'This IP address <' . $request->ip() . '> does not have permission to use this API key.');
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|                     throw new AccessDeniedHttpException('This IP address <' . $request->ip() . '> does not have permission to use this API key.');
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|                 }
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|             }
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| 
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|             $permission = APIPermission::where('key_id', $key->id)->where('permission', $request->route()->getName());
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| 
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|             // Suport Wildcards
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|             if (starts_with($request->route()->getName(), 'api.user')) {
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|                 $permission->orWhere('permission', 'api.user.*');
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|             } elseif (starts_with($request->route()->getName(), 'api.admin')) {
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|                 $permission->orWhere('permission', 'api.admin.*');
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|             }
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| 
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|             if (! $permission->first()) {
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|                 APILogService::log($request, 'You do not have permission to access this resource. This API Key requires the ' . $request->route()->getName() . ' permission node.');
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|                 throw new AccessDeniedHttpException('You do not have permission to access this resource. This API Key requires the ' . $request->route()->getName() . ' permission node.');
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|             }
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|         }
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| 
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|         try {
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|             $decrypted = Crypt::decrypt($key->secret);
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|         } catch (\Illuminate\Contracts\Encryption\DecryptException $ex) {
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|             APILogService::log($request, 'There was an error while attempting to check your secret key.');
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|             throw new HttpException('There was an error while attempting to check your secret key.');
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|         }
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| 
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|         $this->url = urldecode($request->fullUrl());
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|         if ($this->_generateHMAC($request->getContent(), $decrypted) !== base64_decode($hashed)) {
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|             APILogService::log($request, 'The hashed body was not valid. Potential modification of contents in route.');
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|             throw new BadRequestHttpException('The hashed body was not valid. Potential modification of contents in route.');
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|         }
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| 
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|         // Log the Route Access
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|         APILogService::log($request, null, true);
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| 
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|         return Auth::loginUsingId($key->user);
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|     }
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| 
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|     protected function _generateHMAC($body, $key)
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|     {
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|         $data = $this->url . $body;
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| 
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|         return hash_hmac($this->algo, $data, $key, true);
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|     }
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| }
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