Switch file manager listing to use panel API endpoint

app/Repositories/Wings/FileRepository.php

@@ -0,0 +1,69 @@
+<?php
+
+namespace Pterodactyl\Repositories\Wings;
+
+use stdClass;
+use Psr\Http\Message\ResponseInterface;
+use Pterodactyl\Contracts\Repository\Daemon\FileRepositoryInterface;
+
+class FileRepository extends BaseWingsRepository implements FileRepositoryInterface
+{
+    /**
+     * Return stat information for a given file.
+     *
+     * @param string $path
+     * @return \stdClass
+     *
+     * @throws \GuzzleHttp\Exception\TransferException
+     */
+    public function getFileStat(string $path): stdClass
+    {
+        // TODO: Implement getFileStat() method.
+    }
+
+    /**
+     * Return the contents of a given file if it can be edited in the Panel.
+     *
+     * @param string $path
+     * @return string
+     *
+     * @throws \GuzzleHttp\Exception\TransferException
+     */
+    public function getContent(string $path): string
+    {
+        // TODO: Implement getContent() method.
+    }
+
+    /**
+     * Save new contents to a given file.
+     *
+     * @param string $path
+     * @param string $content
+     * @return \Psr\Http\Message\ResponseInterface
+     *
+     * @throws \GuzzleHttp\Exception\TransferException
+     */
+    public function putContent(string $path, string $content): ResponseInterface
+    {
+        // TODO: Implement putContent() method.
+    }
+
+    /**
+     * Return a directory listing for a given path.
+     *
+     * @param string $path
+     * @return array
+     *
+     * @throws \GuzzleHttp\Exception\TransferException
+     */
+    public function getDirectory(string $path): array
+    {
+        $response = $this->getHttpClient()->get(
+            // Reason for the path check is because it is unnecessary on the Daemon but we need
+            // to respect the interface.
+            sprintf('/api/servers/%s/files/list/%s', $this->getServer()->uuid, $path === '/' ? '' : $path)
+        );
+
+        return json_decode($response->getBody(), true);
+    }
+}