Better handling of file download requests

app/Http/Controllers/Api/Remote/FileDownloadController.php

@@ -0,0 +1,50 @@
+<?php
+
+namespace Pterodactyl\Http\Controllers\Api\Remote;
+
+use Illuminate\Http\Request;
+use Illuminate\Http\JsonResponse;
+use Pterodactyl\Http\Controllers\Controller;
+use Illuminate\Contracts\Cache\Repository as CacheRepository;
+use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
+
+class FileDownloadController extends Controller
+{
+    /**
+     * @var \Illuminate\Contracts\Cache\Repository
+     */
+    private $cache;
+
+    /**
+     * FileDownloadController constructor.
+     *
+     * @param \Illuminate\Contracts\Cache\Repository $cache
+     */
+    public function __construct(CacheRepository $cache)
+    {
+        $this->cache = $cache;
+    }
+
+    /**
+     * Handle a request to authenticate a download using a token and return
+     * the path of the file to the daemon.
+     *
+     * @param \Illuminate\Http\Request $request
+     * @return \Illuminate\Http\JsonResponse
+     *
+     * @throws \Symfony\Component\HttpKernel\Exception\NotFoundHttpException
+     */
+    public function index(Request $request): JsonResponse
+    {
+        $download = $this->cache->pull('Server:Downloads:' . $request->input('token', ''));
+
+        if (is_null($download)) {
+            throw new NotFoundHttpException('No file was found using the token provided.');
+        }
+
+        return response()->json([
+            'path' => array_get($download, 'path'),
+            'server' => array_get($download, 'server'),
+        ]);
+    }
+}