Final touches to new key-rotation service

app/Http/Controllers/API/Remote/ValidateKeyController.php

@@ -30,6 +30,7 @@ use Illuminate\Contracts\Foundation\Application;
 use Illuminate\Foundation\Testing\HttpException;
 use League\Fractal\Serializer\JsonApiSerializer;
 use Pterodactyl\Transformers\Daemon\ApiKeyTransformer;
+use Pterodactyl\Services\DaemonKeys\DaemonKeyUpdateService;
 use Pterodactyl\Contracts\Repository\DaemonKeyRepositoryInterface;
 
 class ValidateKeyController extends Controller
@@ -77,7 +78,7 @@ class ValidateKeyController extends Controller
      */
     public function index($token)
     {
-        if (! starts_with($token, 'i_')) {
+        if (! starts_with($token, DaemonKeyUpdateService::INTERNAL_TOKEN_IDENTIFIER)) {
             throw new HttpException(501);
         }
 

app/Http/Controllers/Base/IndexController.php

@@ -26,7 +26,9 @@
 namespace Pterodactyl\Http\Controllers\Base;
 
 use Illuminate\Http\Request;
+use GuzzleHttp\Exception\RequestException;
 use Pterodactyl\Http\Controllers\Controller;
+use Symfony\Component\HttpKernel\Exception\HttpException;
 use Pterodactyl\Services\Servers\ServerAccessHelperService;
 use Pterodactyl\Contracts\Repository\ServerRepositoryInterface;
 use Pterodactyl\Contracts\Repository\Daemon\ServerRepositoryInterface as DaemonServerRepositoryInterface;
@@ -36,7 +38,7 @@ class IndexController extends Controller
     /**
      * @var \Pterodactyl\Services\Servers\ServerAccessHelperService
      */
-    protected $access;
+    protected $serverAccessHelper;
 
     /**
      * @var \Pterodactyl\Contracts\Repository\Daemon\ServerRepositoryInterface
@@ -52,15 +54,15 @@ class IndexController extends Controller
      * IndexController constructor.
      *
      * @param \Pterodactyl\Contracts\Repository\Daemon\ServerRepositoryInterface $daemonRepository
-     * @param \Pterodactyl\Services\Servers\ServerAccessHelperService            $access
+     * @param \Pterodactyl\Services\Servers\ServerAccessHelperService            $serverAccessHelper
      * @param \Pterodactyl\Contracts\Repository\ServerRepositoryInterface        $repository
      */
     public function __construct(
         DaemonServerRepositoryInterface $daemonRepository,
-        ServerAccessHelperService $access,
+        ServerAccessHelperService $serverAccessHelper,
         ServerRepositoryInterface $repository
     ) {
-        $this->access = $access;
+        $this->serverAccessHelper = $serverAccessHelper;
         $this->daemonRepository = $daemonRepository;
         $this->repository = $repository;
     }
@@ -90,7 +92,8 @@ class IndexController extends Controller
      */
     public function status(Request $request, $uuid)
     {
-        $server = $this->access->handle($uuid, $request->user());
+        $server = $this->repository->findFirstWhere([['uuidShort', '=', $uuid]]);
+        $token = $this->serverAccessHelper->handle($server, $request->user());
 
         if (! $server->installed) {
             return response()->json(['status' => 20]);
@@ -98,10 +101,14 @@ class IndexController extends Controller
             return response()->json(['status' => 30]);
         }
 
-        $response = $this->daemonRepository->setNode($server->node_id)
-            ->setAccessServer($server->uuid)
-            ->setAccessToken($server->daemonSecret)
-            ->details();
+        try {
+            $response = $this->daemonRepository->setNode($server->node_id)
+                ->setAccessServer($server->uuid)
+                ->setAccessToken($token)
+                ->details();
+        } catch (RequestException $exception) {
+            throw new HttpException(500, $exception->getMessage());
+        }
 
         return response()->json(json_decode($response->getBody()));
     }

app/Services/DaemonKeys/DaemonKeyUpdateService.php

@@ -0,0 +1,93 @@
+<?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\Services\DaemonKeys;
+
+use Carbon\Carbon;
+use Pterodactyl\Models\DaemonKey;
+use Illuminate\Contracts\Config\Repository as ConfigRepository;
+use Pterodactyl\Contracts\Repository\DaemonKeyRepositoryInterface;
+
+class DaemonKeyUpdateService
+{
+    const INTERNAL_TOKEN_IDENTIFIER = 'i_';
+
+    /**
+     * @var \Carbon\Carbon
+     */
+    protected $carbon;
+
+    /**
+     * @var
+     */
+    protected $config;
+
+    /**
+     * @var \Pterodactyl\Contracts\Repository\DaemonKeyRepositoryInterface
+     */
+    protected $repository;
+
+    /**
+     * DaemonKeyUpdateService constructor.
+     *
+     * @param \Carbon\Carbon                                                 $carbon
+     * @param \Illuminate\Contracts\Config\Repository                        $config
+     * @param \Pterodactyl\Contracts\Repository\DaemonKeyRepositoryInterface $repository
+     */
+    public function __construct(
+        Carbon $carbon,
+        ConfigRepository $config,
+        DaemonKeyRepositoryInterface $repository
+    ) {
+        $this->carbon = $carbon;
+        $this->config = $config;
+        $this->repository = $repository;
+    }
+
+    /**
+     * Update a daemon key to expire the previous one.
+     *
+     * @param \Pterodactyl\Models\DaemonKey|int $key
+     * @return string
+     *
+     * @throws \RuntimeException
+     * @throws \Pterodactyl\Exceptions\Model\DataValidationException
+     * @throws \Pterodactyl\Exceptions\Repository\RecordNotFoundException
+     */
+    public function handle($key)
+    {
+        if ($key instanceof DaemonKey) {
+            $key = $key->id;
+        }
+
+        $secret = self::INTERNAL_TOKEN_IDENTIFIER . str_random(40);
+
+        $this->repository->withoutFresh()->update($key, [
+            'secret' => $secret,
+            'expires_at' => $this->carbon->now()->addMinutes($this->config->get('pterodactyl.api.key_expire_time')),
+        ]);
+
+        return $secret;
+    }
+}

app/Services/Servers/ServerAccessHelperService.php

@@ -24,9 +24,12 @@
 
 namespace Pterodactyl\Services\Servers;
 
+use Carbon\Carbon;
 use Pterodactyl\Models\User;
 use Pterodactyl\Models\Server;
+use Pterodactyl\Models\DaemonKey;
 use Illuminate\Cache\Repository as CacheRepository;
+use Pterodactyl\Services\DaemonKeys\DaemonKeyUpdateService;
 use Pterodactyl\Contracts\Repository\UserRepositoryInterface;
 use Pterodactyl\Contracts\Repository\ServerRepositoryInterface;
 use Pterodactyl\Contracts\Repository\DaemonKeyRepositoryInterface;
@@ -39,11 +42,21 @@ class ServerAccessHelperService
      */
     protected $cache;
 
+    /**
+     * @var \Carbon\Carbon
+     */
+    protected $carbon;
+
     /**
      * @var \Pterodactyl\Contracts\Repository\DaemonKeyRepositoryInterface
      */
     protected $daemonKeyRepository;
 
+    /**
+     * @var \Pterodactyl\Services\DaemonKeys\DaemonKeyUpdateService
+     */
+    protected $daemonKeyUpdateService;
+
     /**
      * @var \Pterodactyl\Contracts\Repository\ServerRepositoryInterface
      */
@@ -58,18 +71,24 @@ class ServerAccessHelperService
      * ServerAccessHelperService constructor.
      *
      * @param \Illuminate\Cache\Repository                                   $cache
+     * @param \Carbon\Carbon                                                 $carbon
      * @param \Pterodactyl\Contracts\Repository\DaemonKeyRepositoryInterface $daemonKeyRepository
+     * @param \Pterodactyl\Services\DaemonKeys\DaemonKeyUpdateService        $daemonKeyUpdateService
      * @param \Pterodactyl\Contracts\Repository\ServerRepositoryInterface    $repository
      * @param \Pterodactyl\Contracts\Repository\UserRepositoryInterface      $userRepository
      */
     public function __construct(
         CacheRepository $cache,
+        Carbon $carbon,
         DaemonKeyRepositoryInterface $daemonKeyRepository,
+        DaemonKeyUpdateService $daemonKeyUpdateService,
         ServerRepositoryInterface $repository,
         UserRepositoryInterface $userRepository
     ) {
         $this->cache = $cache;
+        $this->carbon = $carbon;
         $this->daemonKeyRepository = $daemonKeyRepository;
+        $this->daemonKeyUpdateService = $daemonKeyUpdateService;
         $this->repository = $repository;
         $this->userRepository = $userRepository;
     }
@@ -81,8 +100,10 @@ class ServerAccessHelperService
      * @param int|\Pterodactyl\Models\User   $user
      * @return string
      *
+     * @throws \Pterodactyl\Exceptions\Model\DataValidationException
      * @throws \Pterodactyl\Exceptions\Repository\RecordNotFoundException
      * @throws \Pterodactyl\Exceptions\Service\Server\UserNotLinkedToServerException
+     * @throws \RuntimeException
      */
     public function handle($server, $user)
     {
@@ -95,16 +116,16 @@ class ServerAccessHelperService
         }
 
         $keys = $server->relationLoaded('keys') ? $server->keys : $this->daemonKeyRepository->getServerKeys($server->id);
-
-        $key = array_get($keys->where('user_id', $user->id)->first(null, []), 'secret');
-        if ($user->root_admin) {
-            $key = array_get($keys->where('user_id', $server->owner_id)->first(null, []), 'secret');
-        }
+        $key = $keys->where('user_id', $user->root_admin ? $server->owner_id : $user->id)->first();
 
         if (is_null($key)) {
             throw new UserNotLinkedToServerException;
         }
 
-        return $key;
+        if (max($this->carbon->now()->diffInSeconds($key->expires_at, false), 0) === 0) {
+            $key = $this->daemonKeyUpdateService->handle($key);
+        }
+
+        return ($key instanceof DaemonKey) ? $key->secret : $key;
     }
 }

app/Transformers/Daemon/ApiKeyTransformer.php

@@ -24,6 +24,7 @@
 
 namespace Pterodactyl\Transformers\Daemon;
 
+use Carbon\Carbon;
 use Pterodactyl\Models\DaemonKey;
 use Pterodactyl\Models\Permission;
 use League\Fractal\TransformerAbstract;
@@ -31,6 +32,11 @@ use Pterodactyl\Contracts\Repository\SubuserRepositoryInterface;
 
 class ApiKeyTransformer extends TransformerAbstract
 {
+    /**
+     * @var \Carbon\Carbon
+     */
+    protected $carbon;
+
     /**
      * @var \Pterodactyl\Contracts\Repository\SubuserRepositoryInterface
      */
@@ -39,10 +45,12 @@ class ApiKeyTransformer extends TransformerAbstract
     /**
      * ApiKeyTransformer constructor.
      *
+     * @param \Carbon\Carbon                                               $carbon
      * @param \Pterodactyl\Contracts\Repository\SubuserRepositoryInterface $repository
      */
-    public function __construct(SubuserRepositoryInterface $repository)
+    public function __construct(Carbon $carbon, SubuserRepositoryInterface $repository)
     {
+        $this->carbon = $carbon;
         $this->repository = $repository;
     }
 
@@ -59,6 +67,8 @@ class ApiKeyTransformer extends TransformerAbstract
         if ($key->user_id === $key->server->owner_id) {
             return [
                 'id' => $key->server->uuid,
+                'is_temporary' => true,
+                'expires_in' => max($this->carbon->now()->diffInSeconds($key->expires_at, false), 0),
                 'permissions' => ['s:*'],
             ];
         }
@@ -76,7 +86,10 @@ class ApiKeyTransformer extends TransformerAbstract
         }
 
         return [
-            $key->server->uuid => $daemonPermissions,
+            'id' => $key->server->uuid,
+            'is_temporary' => true,
+            'expires_in' => max($this->carbon->now()->diffInSeconds($key->expires_at, false), 0),
+            'permissions' => $daemonPermissions,
         ];
     }
 }

config/pterodactyl.php

@@ -59,6 +59,7 @@ return [
     */
     'api' => [
         'include_on_list' => env('API_INCLUDE_ON_LIST', false),
+        'key_expire_time' => env('API_KEY_EXPIRE_TIME', 60 * 12),
     ],
 
     /*