Fix up node autodeployment

app/Http/Controllers/Admin/NodeAutoDeployController.php

@@ -0,0 +1,88 @@
+<?php
+
+namespace Pterodactyl\Http\Controllers\Admin;
+
+use Illuminate\Http\Request;
+use Pterodactyl\Models\Node;
+use Pterodactyl\Models\ApiKey;
+use Illuminate\Http\JsonResponse;
+use Pterodactyl\Http\Controllers\Controller;
+use Illuminate\Contracts\Encryption\Encrypter;
+use Pterodactyl\Services\Api\KeyCreationService;
+use Pterodactyl\Repositories\Eloquent\ApiKeyRepository;
+
+class NodeAutoDeployController extends Controller
+{
+    /**
+     * @var \Pterodactyl\Services\Api\KeyCreationService
+     */
+    private $keyCreationService;
+
+    /**
+     * @var \Pterodactyl\Repositories\Eloquent\ApiKeyRepository
+     */
+    private $repository;
+
+    /**
+     * @var \Illuminate\Contracts\Encryption\Encrypter
+     */
+    private $encrypter;
+
+    /**
+     * NodeAutoDeployController constructor.
+     *
+     * @param \Pterodactyl\Repositories\Eloquent\ApiKeyRepository $repository
+     * @param \Illuminate\Contracts\Encryption\Encrypter $encrypter
+     * @param \Pterodactyl\Services\Api\KeyCreationService $keyCreationService
+     */
+    public function __construct(
+        ApiKeyRepository $repository,
+        Encrypter $encrypter,
+        KeyCreationService $keyCreationService
+    ) {
+        $this->keyCreationService = $keyCreationService;
+        $this->repository = $repository;
+        $this->encrypter = $encrypter;
+    }
+
+    /**
+     * Generates a new API key for the logged in user with only permission to read
+     * nodes, and returns that as the deployment key for a node.
+     *
+     * @param \Illuminate\Http\Request $request
+     * @param \Pterodactyl\Models\Node $node
+     * @return \Illuminate\Http\JsonResponse
+     *
+     * @throws \Pterodactyl\Exceptions\Model\DataValidationException
+     */
+    public function __invoke(Request $request, Node $node)
+    {
+        /** @var \Pterodactyl\Models\ApiKey|null $key */
+        $key = $this->repository->getApplicationKeys($request->user())
+            ->filter(function (ApiKey $key) {
+                foreach ($key->getAttributes() as $permission => $value) {
+                    if ($permission === 'r_nodes' && $value === 1) {
+                        return true;
+                    }
+                }
+
+                return false;
+            })
+            ->first();
+
+        // We couldn't find a key that exists for this user with only permission for
+        // reading nodes. Go ahead and create it now.
+        if (! $key) {
+            $key = $this->keyCreationService->setKeyType(ApiKey::TYPE_APPLICATION)->handle([
+                'user_id' => $request->user()->id,
+                'memo' => 'Automatically generated node deployment key.',
+                'allowed_ips' => [],
+            ], ['r_nodes' => 1]);
+        }
+
+        return JsonResponse::create([
+            'node' => $node->id,
+            'token' => $key->identifier . $this->encrypter->decrypt($key->token),
+        ]);
+    }
+}