Add basic file listing functionality

app/Http/Controllers/Api/Client/ClientApiController.php

@@ -4,6 +4,7 @@ namespace Pterodactyl\Http\Controllers\Api\Client;
 
 use Webmozart\Assert\Assert;
 use Illuminate\Container\Container;
+use Pterodactyl\Transformers\Daemon\BaseDaemonTransformer;
 use Pterodactyl\Transformers\Api\Client\BaseClientTransformer;
 use Pterodactyl\Http\Controllers\Api\Application\ApplicationApiController;
 
@@ -19,10 +20,15 @@ abstract class ClientApiController extends ApplicationApiController
     {
         /** @var \Pterodactyl\Transformers\Api\Client\BaseClientTransformer $transformer */
         $transformer = Container::getInstance()->make($abstract);
-        Assert::isInstanceOf($transformer, BaseClientTransformer::class);
+        Assert::isInstanceOfAny($transformer, [
+            BaseClientTransformer::class,
+            BaseDaemonTransformer::class,
+        ]);
 
-        $transformer->setKey($this->request->attributes->get('api_key'));
-        $transformer->setUser($this->request->user());
+        if ($transformer instanceof BaseClientTransformer) {
+            $transformer->setKey($this->request->attributes->get('api_key'));
+            $transformer->setUser($this->request->user());
+        }
 
         return $transformer;
     }

app/Http/Controllers/Api/Client/Servers/FileController.php

@@ -7,10 +7,13 @@ use Ramsey\Uuid\Uuid;
 use Illuminate\Http\Response;
 use Pterodactyl\Models\Server;
 use Illuminate\Http\JsonResponse;
+use GuzzleHttp\Exception\TransferException;
+use Pterodactyl\Transformers\Daemon\FileObjectTransformer;
 use Illuminate\Contracts\Cache\Repository as CacheRepository;
 use Illuminate\Contracts\Config\Repository as ConfigRepository;
 use Pterodactyl\Http\Controllers\Api\Client\ClientApiController;
 use Pterodactyl\Contracts\Repository\Daemon\FileRepositoryInterface;
+use Pterodactyl\Exceptions\Http\Connection\DaemonConnectionException;
 use Pterodactyl\Http\Requests\Api\Client\Servers\Files\CopyFileRequest;
 use Pterodactyl\Http\Requests\Api\Client\Servers\Files\ListFilesRequest;
 use Pterodactyl\Http\Requests\Api\Client\Servers\Files\DeleteFileRequest;
@@ -57,16 +60,23 @@ class FileController extends ClientApiController
      * Returns a listing of files in a given directory.
      *
      * @param \Pterodactyl\Http\Requests\Api\Client\Servers\Files\ListFilesRequest $request
-     * @return \Illuminate\Http\JsonResponse
+     * @return array
+     *
+     * @throws \Pterodactyl\Exceptions\Http\Connection\DaemonConnectionException
      */
-    public function listDirectory(ListFilesRequest $request): JsonResponse
+    public function listDirectory(ListFilesRequest $request): array
     {
-        return JsonResponse::create([
-            'contents' => $this->fileRepository->setServer($request->getModel(Server::class))->getDirectory(
-                $request->get('directory') ?? '/'
-            ),
-            'editable' => $this->config->get('pterodactyl.files.editable', []),
-        ]);
+        try {
+            $contents = $this->fileRepository
+                ->setServer($request->getModel(Server::class))
+                ->getDirectory($request->get('directory') ?? '/');
+        } catch (TransferException $exception) {
+            throw new DaemonConnectionException($exception, true);
+        }
+
+        return $this->fractal->collection($contents)
+            ->transformWith($this->getTransformer(FileObjectTransformer::class))
+            ->toArray();
     }
 
     /**

app/Transformers/Daemon/BaseDaemonTransformer.php

@@ -0,0 +1,9 @@
+<?php
+
+namespace Pterodactyl\Transformers\Daemon;
+
+use League\Fractal\TransformerAbstract;
+
+abstract class BaseDaemonTransformer extends TransformerAbstract
+{
+}

app/Transformers/Daemon/FileObjectTransformer.php

@@ -0,0 +1,53 @@
+<?php
+
+namespace Pterodactyl\Transformers\Daemon;
+
+use Carbon\Carbon;
+use Illuminate\Support\Arr;
+
+class FileObjectTransformer extends BaseDaemonTransformer
+{
+    /**
+     * An array of files we allow editing in the Panel.
+     *
+     * @var array
+     */
+    private $editable = [];
+
+    /**
+     * FileObjectTransformer constructor.
+     */
+    public function __construct()
+    {
+        $this->editable = config('pterodactyl.files.editable', []);
+    }
+
+    /**
+     * Transform a file object response from the daemon into a standardized response.
+     *
+     * @param array $item
+     * @return array
+     */
+    public function transform(array $item)
+    {
+        return [
+            'name' => Arr::get($item, 'name'),
+            'mode' => Arr::get($item, 'mode'),
+            'size' => Arr::get($item, 'size'),
+            'is_file' => Arr::get($item, 'file', true),
+            'is_symlink' => Arr::get($item, 'symlink', false),
+            'is_editable' => in_array(Arr::get($item, 'mime', ''), $this->editable),
+            'mimetype' => Arr::get($item, 'mime'),
+            'created_at' => Carbon::parse(explode(' ', Arr::get($item, 'created', ''))[0] ?? '')->toIso8601String(),
+            'modified_at' => Carbon::parse(explode(' ', Arr::get($item, 'modified', ''))[0] ?? '')->toIso8601String(),
+        ];
+    }
+
+    /**
+     * @return string
+     */
+    public function getResourceName(): string
+    {
+        return 'file_object';
+    }
+}