From a31e5875dcb545a7c36739870992671549d15747 Mon Sep 17 00:00:00 2001
From: Dane Everitt <dane@daneeveritt.com>
Date: Thu, 11 Jan 2018 22:49:46 -0600
Subject: [PATCH] First round of changes to API to support simpler permissions.

---
 .../Repository/ApiKeyRepositoryInterface.php  |  1 +
 .../API/Admin/Users/UserController.php        | 18 ++--
 app/Http/Kernel.php                           |  4 -
 .../API/HasPermissionToResource.php           | 58 -----------
 .../Requests/API/Admin/ApiAdminRequest.php    | 98 +++++++++++++++++++
 .../API/Admin/Users/GetUserRequest.php        | 32 ++++++
 .../API/Admin/Users/GetUsersRequest.php       | 19 ++++
 .../Remote/SftpAuthenticationFormRequest.php  |  4 +-
 app/Http/Requests/Request.php                 |  9 --
 app/Models/APIKey.php                         | 45 +++++++--
 app/Providers/RouteServiceProvider.php        |  6 +-
 .../Eloquent/ApiKeyRepository.php             |  1 +
 app/Services/Acl/Api/AdminAcl.php             | 66 +++++++++++++
 .../Api/Admin/AllocationTransformer.php       |  4 +-
 .../Api/Admin/BaseTransformer.php             | 69 +++++++++++++
 .../Api/Admin/LocationTransformer.php         |  4 +-
 .../Api/Admin/NodeTransformer.php             |  4 +-
 .../Api/Admin/UserTransformer.php             | 14 ++-
 app/Transformers/Api/ApiTransformer.php       | 60 ------------
 ...1_11_213943_AddApiKeyPermissionColumns.php | 50 ++++++++++
 routes/api-admin.php                          |  6 ++
 21 files changed, 403 insertions(+), 169 deletions(-)
 delete mode 100644 app/Http/Middleware/API/HasPermissionToResource.php
 create mode 100644 app/Http/Requests/API/Admin/ApiAdminRequest.php
 create mode 100644 app/Http/Requests/API/Admin/Users/GetUserRequest.php
 create mode 100644 app/Http/Requests/API/Admin/Users/GetUsersRequest.php
 delete mode 100644 app/Http/Requests/Request.php
 create mode 100644 app/Services/Acl/Api/AdminAcl.php
 create mode 100644 app/Transformers/Api/Admin/BaseTransformer.php
 delete mode 100644 app/Transformers/Api/ApiTransformer.php
 create mode 100644 database/migrations/2018_01_11_213943_AddApiKeyPermissionColumns.php

diff --git a/app/Contracts/Repository/ApiKeyRepositoryInterface.php b/app/Contracts/Repository/ApiKeyRepositoryInterface.php
index 2fce09cd..c9fcb192 100644
--- a/app/Contracts/Repository/ApiKeyRepositoryInterface.php
+++ b/app/Contracts/Repository/ApiKeyRepositoryInterface.php
@@ -18,6 +18,7 @@ interface ApiKeyRepositoryInterface extends RepositoryInterface
      *
      * @param \Pterodactyl\Models\APIKey $model
      * @param bool                       $refresh
+     * @deprecated
      * @return \Pterodactyl\Models\APIKey
      */
     public function loadPermissions(APIKey $model, bool $refresh = false): APIKey;
diff --git a/app/Http/Controllers/API/Admin/Users/UserController.php b/app/Http/Controllers/API/Admin/Users/UserController.php
index d2cd65d5..9801fa6e 100644
--- a/app/Http/Controllers/API/Admin/Users/UserController.php
+++ b/app/Http/Controllers/API/Admin/Users/UserController.php
@@ -15,6 +15,8 @@ use Pterodactyl\Http\Requests\Admin\UserFormRequest;
 use Pterodactyl\Transformers\Api\Admin\UserTransformer;
 use League\Fractal\Pagination\IlluminatePaginatorAdapter;
 use Pterodactyl\Contracts\Repository\UserRepositoryInterface;
+use Pterodactyl\Http\Requests\API\Admin\Users\GetUserRequest;
+use Pterodactyl\Http\Requests\API\Admin\Users\GetUsersRequest;
 
 class UserController extends Controller
 {
@@ -67,19 +69,19 @@ class UserController extends Controller
     }
 
     /**
-     * Handle request to list all users on the panel. Returns a JSONAPI representation
+     * Handle request to list all users on the panel. Returns a JSON-API representation
      * of a collection of users including any defined relations passed in
      * the request.
      *
-     * @param \Illuminate\Http\Request $request
+     * @param \Pterodactyl\Http\Requests\API\Admin\Users\GetUsersRequest $request
      * @return array
      */
-    public function index(Request $request): array
+    public function index(GetUsersRequest $request): array
     {
         $users = $this->repository->paginated(100);
 
         return $this->fractal->collection($users)
-            ->transformWith(new UserTransformer($request))
+            ->transformWith((new UserTransformer)->setKey($request->key()))
             ->withResourceName('user')
             ->paginateWith(new IlluminatePaginatorAdapter($users))
             ->toArray();
@@ -89,14 +91,14 @@ class UserController extends Controller
      * Handle a request to view a single user. Includes any relations that
      * were defined in the request.
      *
-     * @param \Illuminate\Http\Request $request
-     * @param \Pterodactyl\Models\User $user
+     * @param \Pterodactyl\Http\Requests\API\Admin\Users\GetUserRequest $request
+     * @param \Pterodactyl\Models\User                                  $user
      * @return array
      */
-    public function view(Request $request, User $user): array
+    public function view(GetUserRequest $request, User $user): array
     {
         return $this->fractal->item($user)
-            ->transformWith(new UserTransformer($request))
+            ->transformWith((new UserTransformer)->setKey($request->key()))
             ->withResourceName('user')
             ->toArray();
     }
diff --git a/app/Http/Kernel.php b/app/Http/Kernel.php
index 9f418488..58772699 100644
--- a/app/Http/Kernel.php
+++ b/app/Http/Kernel.php
@@ -25,7 +25,6 @@ use Pterodactyl\Http\Middleware\API\AuthenticateIPAccess;
 use Pterodactyl\Http\Middleware\Daemon\DaemonAuthenticate;
 use Illuminate\Foundation\Http\Middleware\ValidatePostSize;
 use Illuminate\Cookie\Middleware\AddQueuedCookiesToResponse;
-use Pterodactyl\Http\Middleware\API\HasPermissionToResource;
 use Pterodactyl\Http\Middleware\Server\AuthenticateAsSubuser;
 use Pterodactyl\Http\Middleware\Server\SubuserBelongsToServer;
 use Pterodactyl\Http\Middleware\RequireTwoFactorAuthentication;
@@ -98,9 +97,6 @@ class Kernel extends HttpKernel
         'bindings' => SubstituteBindings::class,
         'recaptcha' => VerifyReCaptcha::class,
 
-        // API specific middleware.
-        'api..user_level' => HasPermissionToResource::class,
-
         // Server specific middleware (used for authenticating access to resources)
         //
         // These are only used for individual server authentication, and not gloabl
diff --git a/app/Http/Middleware/API/HasPermissionToResource.php b/app/Http/Middleware/API/HasPermissionToResource.php
deleted file mode 100644
index 1d99ffbf..00000000
--- a/app/Http/Middleware/API/HasPermissionToResource.php
+++ /dev/null
@@ -1,58 +0,0 @@
-<?php
-
-namespace Pterodactyl\Http\Middleware\API;
-
-use Closure;
-use Illuminate\Http\Request;
-use Pterodactyl\Contracts\Repository\ApiKeyRepositoryInterface;
-use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
-use Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException;
-
-class HasPermissionToResource
-{
-    /**
-     * @var \Pterodactyl\Contracts\Repository\ApiKeyRepositoryInterface
-     */
-    private $repository;
-
-    /**
-     * HasPermissionToResource constructor.
-     *
-     * @param \Pterodactyl\Contracts\Repository\ApiKeyRepositoryInterface $repository
-     */
-    public function __construct(ApiKeyRepositoryInterface $repository)
-    {
-        $this->repository = $repository;
-    }
-
-    /**
-     * Determine if an API key has permission to access the given route.
-     *
-     * @param \Illuminate\Http\Request $request
-     * @param \Closure                 $next
-     * @param string                   $role
-     * @return mixed
-     */
-    public function handle(Request $request, Closure $next, string $role = 'admin')
-    {
-        /** @var \Pterodactyl\Models\APIKey $model */
-        $model = $request->attributes->get('api_key');
-
-        if ($role === 'admin' && ! $request->user()->root_admin) {
-            throw new NotFoundHttpException;
-        }
-
-        $this->repository->loadPermissions($model);
-        $routeKey = str_replace(['api.', 'admin.'], '', $request->route()->getName());
-
-        $count = $model->getRelation('permissions')->filter(function ($permission) use ($routeKey) {
-            return $routeKey === str_replace('-', '.', $permission->permission);
-        })->count();
-
-        if ($count === 1) {
-            return $next($request);
-        }
-
-        throw new AccessDeniedHttpException('Cannot access resource without required `' . $routeKey . '` permission.');
-    }
-}
diff --git a/app/Http/Requests/API/Admin/ApiAdminRequest.php b/app/Http/Requests/API/Admin/ApiAdminRequest.php
new file mode 100644
index 00000000..f9f9a063
--- /dev/null
+++ b/app/Http/Requests/API/Admin/ApiAdminRequest.php
@@ -0,0 +1,98 @@
+<?php
+
+namespace Pterodactyl\Http\Requests\API\Admin;
+
+use Pterodactyl\Models\APIKey;
+use Illuminate\Foundation\Http\FormRequest;
+use Pterodactyl\Exceptions\PterodactylException;
+use Pterodactyl\Services\Acl\Api\AdminAcl as Acl;
+use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
+
+abstract class ApiAdminRequest extends FormRequest
+{
+    /**
+     * The resource that should be checked when performing the authorization
+     * function for this request.
+     *
+     * @var string|null
+     */
+    protected $resource;
+
+    /**
+     * The permission level that a given API key should have for accessing
+     * the defined $resource during the request cycle.
+     *
+     * @var int
+     */
+    protected $permission = Acl::NONE;
+
+    /**
+     * Determine if the current user is authorized to perform
+     * the requested action aganist the API.
+     *
+     * @return bool
+     *
+     * @throws \Pterodactyl\Exceptions\PterodactylException
+     */
+    public function authorize(): bool
+    {
+        if (is_null($this->resource)) {
+            throw new PterodactylException('An ACL resource must be defined on API requests.');
+        }
+
+        return Acl::check($this->key(), $this->resource, $this->permission);
+    }
+
+    /**
+     * Determine if the requested resource exists on the server.
+     *
+     * @return bool
+     */
+    public function resourceExists(): bool
+    {
+        return true;
+    }
+
+    /**
+     * Default set of rules to apply to API requests.
+     *
+     * @return array
+     */
+    public function rules(): array
+    {
+        return [];
+    }
+
+    /**
+     * Return the API key being used for the request.
+     *
+     * @return \Pterodactyl\Models\APIKey
+     */
+    public function key(): APIKey
+    {
+        return $this->attributes->get('api_key');
+    }
+
+    /**
+     * Determine if the request passes the authorization check as well
+     * as the exists check.
+     *
+     * @return bool
+     *
+     * @throws \Symfony\Component\HttpKernel\Exception\NotFoundHttpException
+     */
+    protected function passesAuthorization()
+    {
+        $passes = parent::passesAuthorization();
+
+        // Only let the user know that a resource does not exist if they are
+        // authenticated to access the endpoint. This avoids exposing that
+        // an item exists (or does not exist) to the user until they can prove
+        // that they have permission to know about it.
+        if ($passes && ! $this->resourceExists()) {
+            throw new NotFoundHttpException('The requested resource does not exist on this server.');
+        }
+
+        return $passes;
+    }
+}
diff --git a/app/Http/Requests/API/Admin/Users/GetUserRequest.php b/app/Http/Requests/API/Admin/Users/GetUserRequest.php
new file mode 100644
index 00000000..a699adcb
--- /dev/null
+++ b/app/Http/Requests/API/Admin/Users/GetUserRequest.php
@@ -0,0 +1,32 @@
+<?php
+
+namespace Pterodactyl\Http\Requests\API\Admin\Users;
+
+use Pterodactyl\Models\User;
+use Pterodactyl\Services\Acl\Api\AdminAcl;
+use Pterodactyl\Http\Requests\API\Admin\ApiAdminRequest;
+
+class GetUserRequest extends ApiAdminRequest
+{
+    /**
+     * @var string
+     */
+    protected $resource = AdminAcl::RESOURCE_USERS;
+
+    /**
+     * @var int
+     */
+    protected $permission = AdminAcl::READ;
+
+    /**
+     * Determine if the requested user exists on the Panel.
+     *
+     * @return bool
+     */
+    public function resourceExists(): bool
+    {
+        $user = $this->route()->parameter('user');
+
+        return $user instanceof  User && $user->exists;
+    }
+}
diff --git a/app/Http/Requests/API/Admin/Users/GetUsersRequest.php b/app/Http/Requests/API/Admin/Users/GetUsersRequest.php
new file mode 100644
index 00000000..a7cd4417
--- /dev/null
+++ b/app/Http/Requests/API/Admin/Users/GetUsersRequest.php
@@ -0,0 +1,19 @@
+<?php
+
+namespace Pterodactyl\Http\Requests\API\Admin\Users;
+
+use Pterodactyl\Services\Acl\Api\AdminAcl as Acl;
+use Pterodactyl\Http\Requests\API\Admin\ApiAdminRequest;
+
+class GetUsersRequest extends ApiAdminRequest
+{
+    /**
+     * @var string
+     */
+    protected $resource = Acl::RESOURCE_USERS;
+
+    /**
+     * @var int
+     */
+    protected $permission = Acl::READ;
+}
diff --git a/app/Http/Requests/API/Remote/SftpAuthenticationFormRequest.php b/app/Http/Requests/API/Remote/SftpAuthenticationFormRequest.php
index 5d82f55c..cb2af93e 100644
--- a/app/Http/Requests/API/Remote/SftpAuthenticationFormRequest.php
+++ b/app/Http/Requests/API/Remote/SftpAuthenticationFormRequest.php
@@ -2,9 +2,9 @@
 
 namespace Pterodactyl\Http\Requests\API\Remote;
 
-use Pterodactyl\Http\Requests\Request;
+use Illuminate\Foundation\Http\FormRequest;
 
-class SftpAuthenticationFormRequest extends Request
+class SftpAuthenticationFormRequest extends FormRequest
 {
     /**
      * Authenticate the request.
diff --git a/app/Http/Requests/Request.php b/app/Http/Requests/Request.php
deleted file mode 100644
index a9771726..00000000
--- a/app/Http/Requests/Request.php
+++ /dev/null
@@ -1,9 +0,0 @@
-<?php
-
-namespace Pterodactyl\Http\Requests;
-
-use Illuminate\Foundation\Http\FormRequest;
-
-abstract class Request extends FormRequest
-{
-}
diff --git a/app/Models/APIKey.php b/app/Models/APIKey.php
index 0542fa02..f1cf29e3 100644
--- a/app/Models/APIKey.php
+++ b/app/Models/APIKey.php
@@ -1,17 +1,11 @@
 <?php
-/**
- * Pterodactyl - Panel
- * Copyright (c) 2015 - 2017 Dane Everitt <dane@daneeveritt.com>.
- *
- * This software is licensed under the terms of the MIT license.
- * https://opensource.org/licenses/MIT
- */
 
 namespace Pterodactyl\Models;
 
 use Sofa\Eloquence\Eloquence;
 use Sofa\Eloquence\Validable;
 use Illuminate\Database\Eloquent\Model;
+use Pterodactyl\Services\Acl\Api\AdminAcl;
 use Sofa\Eloquence\Contracts\CleansAttributes;
 use Sofa\Eloquence\Contracts\Validable as ValidableContract;
 
@@ -35,14 +29,29 @@ class APIKey extends Model implements CleansAttributes, ValidableContract
      */
     protected $casts = [
         'allowed_ips' => 'json',
+        'user_id' => 'int',
+        'r_' . AdminAcl::RESOURCE_USERS => 'int',
+        'r_' . AdminAcl::RESOURCE_ALLOCATIONS => 'int',
+        'r_' . AdminAcl::RESOURCE_DATABASES => 'int',
+        'r_' . AdminAcl::RESOURCE_EGGS => 'int',
+        'r_' . AdminAcl::RESOURCE_LOCATIONS => 'int',
+        'r_' . AdminAcl::RESOURCE_NESTS => 'int',
+        'r_' . AdminAcl::RESOURCE_NODES => 'int',
+        'r_' . AdminAcl::RESOURCE_PACKS => 'int',
+        'r_' . AdminAcl::RESOURCE_SERVERS => 'int',
     ];
 
     /**
-     * Fields that are not mass assignable.
+     * Fields that are mass assignable.
      *
      * @var array
      */
-    protected $guarded = ['id', 'created_at', 'updated_at'];
+    protected $fillable = [
+        'token',
+        'allowed_ips',
+        'memo',
+        'expires_at',
+    ];
 
     /**
      * Rules defining what fields must be passed when making a model.
@@ -66,6 +75,24 @@ class APIKey extends Model implements CleansAttributes, ValidableContract
         'memo' => 'nullable|string|max:500',
         'allowed_ips' => 'nullable|json',
         'expires_at' => 'nullable|datetime',
+        'r_' . AdminAcl::RESOURCE_USERS => 'integer|min:0|max:3',
+        'r_' . AdminAcl::RESOURCE_ALLOCATIONS => 'integer|min:0|max:3',
+        'r_' . AdminAcl::RESOURCE_DATABASES => 'integer|min:0|max:3',
+        'r_' . AdminAcl::RESOURCE_EGGS => 'integer|min:0|max:3',
+        'r_' . AdminAcl::RESOURCE_LOCATIONS => 'integer|min:0|max:3',
+        'r_' . AdminAcl::RESOURCE_NESTS => 'integer|min:0|max:3',
+        'r_' . AdminAcl::RESOURCE_NODES => 'integer|min:0|max:3',
+        'r_' . AdminAcl::RESOURCE_PACKS => 'integer|min:0|max:3',
+        'r_' . AdminAcl::RESOURCE_SERVERS => 'integer|min:0|max:3',
+    ];
+
+    /**
+     * @var array
+     */
+    protected $dates = [
+        self::CREATED_AT,
+        self::UPDATED_AT,
+        'expires_at',
     ];
 
     /**
diff --git a/app/Providers/RouteServiceProvider.php b/app/Providers/RouteServiceProvider.php
index a0f90285..5849bd98 100644
--- a/app/Providers/RouteServiceProvider.php
+++ b/app/Providers/RouteServiceProvider.php
@@ -29,10 +29,6 @@ class RouteServiceProvider extends ServiceProvider
      */
     public function map()
     {
-//        Route::middleware(['api'])->prefix('/api/user')
-//              ->namespace($this->namespace . '\API\User')
-//              ->group(base_path('routes/api.php'));
-
         Route::middleware(['web', 'auth', 'csrf'])
              ->namespace($this->namespace . '\Base')
              ->group(base_path('routes/base.php'));
@@ -49,7 +45,7 @@ class RouteServiceProvider extends ServiceProvider
              ->namespace($this->namespace . '\Server')
              ->group(base_path('routes/server.php'));
 
-        Route::middleware(['api', 'api..user_level:admin'])->prefix('/api/admin')
+        Route::middleware(['api'])->prefix('/api/admin')
             ->namespace($this->namespace . '\API\Admin')
             ->group(base_path('routes/api-admin.php'));
 
diff --git a/app/Repositories/Eloquent/ApiKeyRepository.php b/app/Repositories/Eloquent/ApiKeyRepository.php
index f6169c93..f62499b2 100644
--- a/app/Repositories/Eloquent/ApiKeyRepository.php
+++ b/app/Repositories/Eloquent/ApiKeyRepository.php
@@ -22,6 +22,7 @@ class ApiKeyRepository extends EloquentRepository implements ApiKeyRepositoryInt
      *
      * @param \Pterodactyl\Models\APIKey $model
      * @param bool                       $refresh
+     * @deprecated
      * @return \Pterodactyl\Models\APIKey
      */
     public function loadPermissions(APIKey $model, bool $refresh = false): APIKey
diff --git a/app/Services/Acl/Api/AdminAcl.php b/app/Services/Acl/Api/AdminAcl.php
new file mode 100644
index 00000000..3416c1a4
--- /dev/null
+++ b/app/Services/Acl/Api/AdminAcl.php
@@ -0,0 +1,66 @@
+<?php
+
+namespace Pterodactyl\Services\Acl\Api;
+
+use Pterodactyl\Models\APIKey;
+
+class AdminAcl
+{
+    /**
+     * Resource permission columns in the api_keys table begin
+     * with this identifer.
+     */
+    const COLUMN_IDENTIFER = 'r_';
+
+    /**
+     * The different types of permissions available for API keys. This
+     * implements a read/write/none permissions scheme for all endpoints.
+     */
+    const NONE = 0;
+    const READ = 1;
+    const WRITE = 2;
+
+    /**
+     * Resources that are available on the API and can contain a permissions
+     * set for each key. These are stored in the database as permission_{resource}.
+     */
+    const RESOURCE_SERVERS = 'servers';
+    const RESOURCE_NODES = 'nodes';
+    const RESOURCE_ALLOCATIONS = 'allocations';
+    const RESOURCE_USERS = 'users';
+    const RESOURCE_LOCATIONS = 'locations';
+    const RESOURCE_NESTS = 'nests';
+    const RESOURCE_EGGS = 'eggs';
+    const RESOURCE_DATABASES = 'databases';
+    const RESOURCE_PACKS = 'packs';
+
+    /**
+     * Determine if an API key has permission to perform a specific read/write operation.
+     *
+     * @param int $permission
+     * @param int $action
+     * @return bool
+     */
+    public static function can(int $permission, int $action = self::READ)
+    {
+        if ($permission & $action) {
+            return true;
+        }
+
+        return false;
+    }
+
+    /**
+     * Determine if an API Key model has permission to access a given resource
+     * at a specific action level.
+     *
+     * @param \Pterodactyl\Models\APIKey $key
+     * @param string                     $resource
+     * @param int                        $action
+     * @return bool
+     */
+    public static function check(APIKey $key, string $resource, int $action = self::READ)
+    {
+        return self::can(data_get($key, self::COLUMN_IDENTIFER . $resource, self::NONE), $action);
+    }
+}
diff --git a/app/Transformers/Api/Admin/AllocationTransformer.php b/app/Transformers/Api/Admin/AllocationTransformer.php
index 6015a967..9997a578 100644
--- a/app/Transformers/Api/Admin/AllocationTransformer.php
+++ b/app/Transformers/Api/Admin/AllocationTransformer.php
@@ -3,9 +3,9 @@
 namespace Pterodactyl\Transformers\Api\Admin;
 
 use Pterodactyl\Models\Allocation;
-use Pterodactyl\Transformers\Api\ApiTransformer;
+use Pterodactyl\Transformers\Api\BaseTransformer;
 
-class AllocationTransformer extends ApiTransformer
+class AllocationTransformer extends BaseTransformer
 {
     /**
      * Relationships that can be loaded onto allocation transformations.
diff --git a/app/Transformers/Api/Admin/BaseTransformer.php b/app/Transformers/Api/Admin/BaseTransformer.php
new file mode 100644
index 00000000..b4d52263
--- /dev/null
+++ b/app/Transformers/Api/Admin/BaseTransformer.php
@@ -0,0 +1,69 @@
+<?php
+
+namespace Pterodactyl\Transformers\Api\Admin;
+
+use Pterodactyl\Models\APIKey;
+use Illuminate\Container\Container;
+use League\Fractal\TransformerAbstract;
+use Pterodactyl\Services\Acl\Api\AdminAcl;
+
+abstract class BaseTransformer extends TransformerAbstract
+{
+    /**
+     * @var \Pterodactyl\Models\APIKey
+     */
+    private $key;
+
+    /**
+     * Set the HTTP request class being used for this request.
+     *
+     * @param \Pterodactyl\Models\APIKey $key
+     * @return $this
+     */
+    public function setKey(APIKey $key)
+    {
+        $this->key = $key;
+
+        return $this;
+    }
+
+    /**
+     * Return the request instance being used for this transformer.
+     *
+     * @return \Pterodactyl\Models\APIKey
+     */
+    public function getKey(): APIKey
+    {
+        return $this->key;
+    }
+
+    /**
+     * Determine if the API key loaded onto the transformer has permission
+     * to access a different resource. This is used when including other
+     * models on a transformation request.
+     *
+     * @param string $resource
+     * @return bool
+     */
+    protected function authorize(string $resource): bool
+    {
+        return AdminAcl::check($this->getKey(), $resource, AdminAcl::READ);
+    }
+
+    /**
+     * Create a new instance of the transformer and pass along the currently
+     * set API key.
+     *
+     * @param string $abstract
+     * @param array  $parameters
+     * @return \Pterodactyl\Transformers\Api\Admin\BaseTransformer
+     */
+    protected function makeTransformer(string $abstract, array $parameters = []): self
+    {
+        /** @var \Pterodactyl\Transformers\Api\Admin\BaseTransformer $transformer */
+        $transformer = Container::getInstance()->makeWith($abstract, $parameters);
+        $transformer->setKey($this->getKey());
+
+        return $transformer;
+    }
+}
diff --git a/app/Transformers/Api/Admin/LocationTransformer.php b/app/Transformers/Api/Admin/LocationTransformer.php
index 27a4ae9f..7d4b9fff 100644
--- a/app/Transformers/Api/Admin/LocationTransformer.php
+++ b/app/Transformers/Api/Admin/LocationTransformer.php
@@ -3,9 +3,9 @@
 namespace Pterodactyl\Transformers\Api\Admin;
 
 use Pterodactyl\Models\Location;
-use Pterodactyl\Transformers\Api\ApiTransformer;
+use Pterodactyl\Transformers\Api\BaseTransformer;
 
-class LocationTransformer extends ApiTransformer
+class LocationTransformer extends BaseTransformer
 {
     /**
      * List of resources that can be included.
diff --git a/app/Transformers/Api/Admin/NodeTransformer.php b/app/Transformers/Api/Admin/NodeTransformer.php
index b6502339..e4630699 100644
--- a/app/Transformers/Api/Admin/NodeTransformer.php
+++ b/app/Transformers/Api/Admin/NodeTransformer.php
@@ -3,9 +3,9 @@
 namespace Pterodactyl\Transformers\Api\Admin;
 
 use Pterodactyl\Models\Node;
-use Pterodactyl\Transformers\Api\ApiTransformer;
+use Pterodactyl\Transformers\Api\BaseTransformer;
 
-class NodeTransformer extends ApiTransformer
+class NodeTransformer extends BaseTransformer
 {
     /**
      * List of resources that can be included.
diff --git a/app/Transformers/Api/Admin/UserTransformer.php b/app/Transformers/Api/Admin/UserTransformer.php
index 292818b3..54a38469 100644
--- a/app/Transformers/Api/Admin/UserTransformer.php
+++ b/app/Transformers/Api/Admin/UserTransformer.php
@@ -3,9 +3,9 @@
 namespace Pterodactyl\Transformers\Api\Admin;
 
 use Pterodactyl\Models\User;
-use Pterodactyl\Transformers\Api\ApiTransformer;
+use Pterodactyl\Services\Acl\Api\AdminAcl;
 
-class UserTransformer extends ApiTransformer
+class UserTransformer extends BaseTransformer
 {
     /**
      * List of resources that can be included.
@@ -29,18 +29,16 @@ class UserTransformer extends ApiTransformer
      * Return the servers associated with this user.
      *
      * @param \Pterodactyl\Models\User $user
-     * @return bool|\League\Fractal\Resource\Collection
-     *
-     * @throws \Pterodactyl\Exceptions\PterodactylException
+     * @return \League\Fractal\Resource\Collection|\League\Fractal\Resource\NullResource
      */
     public function includeServers(User $user)
     {
-        if (! $this->authorize('server-list')) {
-            return false;
+        if (! $this->authorize(AdminAcl::RESOURCE_SERVERS)) {
+            return $this->null();
         }
 
         $user->loadMissing('servers');
 
-        return $this->collection($user->getRelation('servers'), new ServerTransformer($this->getRequest()), 'server');
+        return $this->collection($user->getRelation('servers'), $this->makeTransformer(ServerTransformer::class), 'server');
     }
 }
diff --git a/app/Transformers/Api/ApiTransformer.php b/app/Transformers/Api/ApiTransformer.php
deleted file mode 100644
index 3620af4d..00000000
--- a/app/Transformers/Api/ApiTransformer.php
+++ /dev/null
@@ -1,60 +0,0 @@
-<?php
-
-namespace Pterodactyl\Transformers\Api;
-
-use Illuminate\Http\Request;
-use League\Fractal\TransformerAbstract;
-use Pterodactyl\Exceptions\PterodactylException;
-
-abstract class ApiTransformer extends TransformerAbstract
-{
-    /**
-     * @var \Illuminate\Http\Request
-     */
-    private $request;
-
-    /**
-     * Setup request object for transformer.
-     *
-     * @param \Illuminate\Http\Request $request
-     */
-    public function __construct(Request $request)
-    {
-        $this->request = $request;
-    }
-
-    /**
-     * Return the request instance being used for this transformer.
-     *
-     * @return \Illuminate\Http\Request
-     */
-    public function getRequest(): Request
-    {
-        return $this->request;
-    }
-
-    /**
-     * Determine if an API key from the request has permission to access
-     * a resource. This is used when loading includes on the transformed
-     * models.
-     *
-     * @param string $permission
-     * @return bool
-     *
-     * @throws \Pterodactyl\Exceptions\PterodactylException
-     */
-    protected function authorize(string $permission): bool
-    {
-        /** @var \Pterodactyl\Models\APIKey $model */
-        $model = $this->request->attributes->get('api_key');
-        if (! $model->relationLoaded('permissions')) {
-            throw new PterodactylException('Permissions must be loaded onto a model before passing to transformer authorize function.');
-        }
-
-        $count = $model->getRelation('permissions')->filter(function ($model) use ($permission) {
-            return $model->permission === $permission;
-        })->count();
-
-        return $count > 0;
-    }
-}
diff --git a/database/migrations/2018_01_11_213943_AddApiKeyPermissionColumns.php b/database/migrations/2018_01_11_213943_AddApiKeyPermissionColumns.php
new file mode 100644
index 00000000..e2c78d2e
--- /dev/null
+++ b/database/migrations/2018_01_11_213943_AddApiKeyPermissionColumns.php
@@ -0,0 +1,50 @@
+<?php
+
+use Illuminate\Support\Facades\Schema;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Migrations\Migration;
+
+class AddApiKeyPermissionColumns extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('api_keys', function (Blueprint $table) {
+            $table->unsignedTinyInteger('r_servers')->default(0);
+            $table->unsignedTinyInteger('r_nodes')->default(0);
+            $table->unsignedTinyInteger('r_allocations')->default(0);
+            $table->unsignedTinyInteger('r_users')->default(0);
+            $table->unsignedTinyInteger('r_locations')->default(0);
+            $table->unsignedTinyInteger('r_nests')->default(0);
+            $table->unsignedTinyInteger('r_eggs')->default(0);
+            $table->unsignedTinyInteger('r_databases')->default(0);
+            $table->unsignedTinyInteger('r_packs')->default(0);
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table('api_keys', function (Blueprint $table) {
+            $table->dropColumn([
+                'r_servers',
+                'r_nodes',
+                'r_allocations',
+                'r_users',
+                'r_locations',
+                'r_nests',
+                'r_eggs',
+                'r_databases',
+                'r_packs',
+            ]);
+        });
+    }
+}
diff --git a/routes/api-admin.php b/routes/api-admin.php
index cd253b1b..2f51be62 100644
--- a/routes/api-admin.php
+++ b/routes/api-admin.php
@@ -1,5 +1,7 @@
 <?php
 
+use Pterodactyl\Models\User;
+
 /*
 |--------------------------------------------------------------------------
 | User Controller Routes
@@ -9,6 +11,10 @@
 |
 */
 Route::group(['prefix' => '/users'], function () {
+    Route::bind('user', function ($value) {
+        return User::find($value) ?? new User;
+    });
+
     Route::get('/', 'Users\UserController@index')->name('api.admin.user.list');
     Route::get('/{user}', 'Users\UserController@view')->name('api.admin.user.view');