Add uploading to internal cloud storage

Summary:
Design doc: https://docs.google.com/document/d/1HLCFl46RfqG0o1mSt8SWrwf_HMfOCRg_oENioc1rkvQ/edit#

We'll use it in the subsequent diff to automatically upload a universal export

Reviewed By: passy

Differential Revision: D40585810

fbshipit-source-id: 5b409d716c2ead040865130d379d4f593cb68483

desktop/flipper-common/src/server-types.tsx

@@ -325,6 +325,7 @@ export type FlipperServerCommands = {
   'intern-upload-scribe-logs': (
     messages: {category: string; message: string}[],
   ) => Promise<void>;
+  'intern-cloud-upload': (path: string) => Promise<string>;
   shutdown: () => Promise<void>;
   'is-logged-in': () => Promise<boolean>;
   'environment-info': () => Promise<EnvironmentInfo>;

desktop/flipper-server-core/src/FlipperServerImpl.tsx

@@ -55,6 +55,7 @@ import {assertNotNull} from './comms/Utilities';
 import {mkdirp} from 'fs-extra';
 import {flipperDataFolder, flipperSettingsFolder} from './utils/paths';
 import {DebuggableDevice} from './devices/DebuggableDevice';
+import {jfUpload} from './fb-stubs/jf';
 
 const {access, copyFile, mkdir, unlink, stat, readlink, readFile, writeFile} =
   promises;
@@ -535,6 +536,13 @@ export class FlipperServerImpl implements FlipperServer {
       return internGraphGETAPIRequest(endpoint, params, options, token);
     },
     'intern-upload-scribe-logs': sendScribeLogs,
+    'intern-cloud-upload': async (path) => {
+      const uploadRes = await jfUpload(path);
+      if (!uploadRes) {
+        throw new Error('Upload failed');
+      }
+      return uploadRes;
+    },
     shutdown: async () => {
       process.exit(0);
     },

desktop/flipper-server-core/src/fb-stubs/jf.tsx

@@ -0,0 +1,17 @@
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @format
+ */
+
+/**
+ * Upload a file at path to a temporary cloud storage
+ *
+ * @returns Download URL
+ */
+export const jfUpload = async (_path: string): Promise<string> => {
+  throw new Error('jf upload is not implemented');
+};