Support saving existing files

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

@@ -18,6 +18,7 @@ use Pterodactyl\Http\Requests\Api\Client\Servers\Files\RenameFileRequest;
 use Pterodactyl\Http\Requests\Api\Client\Servers\Files\CreateFolderRequest;
 use Pterodactyl\Http\Requests\Api\Client\Servers\Files\DownloadFileRequest;
 use Pterodactyl\Http\Requests\Api\Client\Servers\Files\GetFileContentsRequest;
+use Pterodactyl\Http\Requests\Api\Client\Servers\Files\WriteFileContentRequest;
 
 class FileController extends ClientApiController
 {
@@ -83,6 +84,22 @@ class FileController extends ClientApiController
         );
     }
 
+    /**
+     * Writes the contents of the specified file to the server.
+     *
+     * @param \Pterodactyl\Http\Requests\Api\Client\Servers\Files\WriteFileContentRequest $request
+     * @return \Illuminate\Http\Response
+     */
+    public function writeFileContents(WriteFileContentRequest $request): Response
+    {
+        $this->fileRepository->setServer($request->getModel(Server::class))->putContent(
+            $request->get('file'),
+            $request->getContent()
+        );
+
+        return Response::create('', Response::HTTP_NO_CONTENT);
+    }
+
     /**
      * Creates a new folder on the server.
      *

app/Http/Requests/Api/Client/Servers/Files/WriteFileContentRequest.php

@@ -0,0 +1,35 @@
+<?php
+
+namespace Pterodactyl\Http\Requests\Api\Client\Servers\Files;
+
+use Pterodactyl\Contracts\Http\ClientPermissionsRequest;
+use Pterodactyl\Http\Requests\Api\Client\ClientApiRequest;
+
+class WriteFileContentRequest extends ClientApiRequest implements ClientPermissionsRequest
+{
+    /**
+     * Returns the permissions string indicating which permission should be used to
+     * validate that the authenticated user has permission to perform this action aganist
+     * the given resource (server).
+     *
+     * @return string
+     */
+    public function permission(): string
+    {
+        return 'save-files';
+    }
+
+    /**
+     * There is no rule here for the file contents since we just use the body content
+     * on the request to set the file contents. If nothing is passed that is fine since
+     * it just means we want to set the file to be empty.
+     *
+     * @return array
+     */
+    public function rules(): array
+    {
+        return [
+            'file' => 'required|string',
+        ];
+    }
+}

resources/assets/scripts/api/http.ts

@@ -1,4 +1,4 @@
-import axios, {AxiosInstance} from 'axios';
+import axios, {AxiosError, AxiosInstance} from 'axios';
 import {ServerApplicationCredentials} from "@/store/types";
 
 // This token is set in the bootstrap.js file at the beginning of the request
@@ -38,3 +38,18 @@ export function withCredentials(server: string, credentials: ServerApplicationCr
 
     return http;
 }
+
+/**
+ * Converts an error into a human readable response. Mostly just a generic helper to
+ * make sure we display the message from the server back to the user if we can.
+ */
+export function httpErrorToHuman(error: any): string {
+    if (error.response && error.response.data) {
+        const { data } = error.response;
+        if (data.errors && data.errors[0] && data.errors[0].detail) {
+            return data.errors[0].detail;
+        }
+    }
+
+    return error.message;
+}

resources/assets/scripts/api/server/files/writeFileContents.ts

@@ -0,0 +1,14 @@
+import http from "@/api/http";
+
+export default (server: string, file: string, content: string): Promise<void> => {
+    return new Promise((resolve, reject) => {
+        http.post(`/api/client/servers/${server}/files/write`, content, {
+            params: { file },
+            headers: {
+                'Content-Type': 'text/plain; charset=utf-8',
+            },
+        })
+            .then(() => resolve())
+            .catch(reject);
+    });
+}

resources/assets/scripts/components/server/components/filemanager/modals/EditFileModal.vue

@@ -19,7 +19,7 @@
                     <button class="btn btn-secondary btn-sm" v-on:click="closeModal">
                         Cancel
                     </button>
-                    <button class="ml-2 btn btn-primary btn-sm">
+                    <button class="ml-2 btn btn-primary btn-sm" v-on:click="submit">
                         Save
                     </button>
                 </div>
@@ -39,6 +39,8 @@
     import {DirectoryContentObject} from "@/api/server/types";
     import getFileContents from '@/api/server/files/getFileContents';
     import SpinnerModal from "@/components/core/SpinnerModal.vue";
+    import writeFileContents from '@/api/server/files/writeFileContents';
+    import {httpErrorToHuman} from '@/api/http';
 
     interface Data {
         file?: DirectoryContentObject,
@@ -120,7 +122,16 @@
 
         methods: {
             submit: function () {
+                this.isLoading = true;
+                const content = this.editor!.getValue();
 
+                writeFileContents(this.serverUuid!, join(this.fm!.currentDirectory, this.file!.name), content)
+                    .then(() => this.error = null)
+                    .catch(error => {
+                        console.log(error);
+                        this.error = httpErrorToHuman(error);
+                    })
+                    .then(() => this.isLoading = false);
             },
 
             loadFileContent: function (): Promise<void> {

routes/api-client.php

@@ -46,6 +46,7 @@ Route::group(['prefix' => '/servers/{server}', 'middleware' => [AuthenticateServ
         Route::get('/contents', 'Servers\FileController@getFileContents')->name('api.client.servers.files.contents');
         Route::put('/rename', 'Servers\FileController@renameFile')->name('api.client.servers.files.rename');
         Route::post('/copy', 'Servers\FileController@copyFile')->name('api.client.servers.files.copy');
+        Route::post('/write', 'Servers\FileController@writeFileContents')->name('api.client.servers.files.write');
         Route::post('/delete', 'Servers\FileController@delete')->name('api.client.servers.files.delete');
         Route::post('/create-folder', 'Servers\FileController@createFolder')->name('api.client.servers.files.create-folder');