Changing AuthToken to be complex type so can have a version, rather than just a string

src/link_codes.ts

@@ -1,7 +1,12 @@
 import { v4 as uuid } from 'uuid';
 
+export type AuthToken = {
+  value: string,
+  version: string
+}
+
 export type Association = {
-  authToken: string
+  authToken: AuthToken
   userId: string
   nickname: string  
 }

src/music_service.ts

@@ -1,5 +1,6 @@
 import axios from "axios";
 import { Md5 } from "ts-md5/dist/md5";
+import { AuthToken } from "./link_codes";
 
 const s = "foobar100";
 const navidrome = process.env["BONOB_NAVIDROME_URL"];
@@ -13,7 +14,7 @@ export function isSuccess(authResult: AuthSuccess | AuthFailure): authResult is
 }
 
 export type AuthSuccess = {
-  authToken: string
+  authToken: AuthToken
   userId: string
   nickname: string  
 }
@@ -28,7 +29,7 @@ export interface MusicService {
 
 export class Navidrome implements MusicService {
   login({ username }: Credentials) {
-    return { authToken: `${username}`, userId: username, nickname: username }
+    return { authToken: { value: `${username}`, version: "1" }, userId: username, nickname: username }
   }
 
   ping = (): Promise<boolean> =>

src/server.ts

@@ -129,8 +129,8 @@ function server(
           if (association) {
             return {
               getDeviceAuthTokenResult: {
-                authToken: association.authToken,
-                privateKey: "v1",
+                authToken: association.authToken.value,
+                privateKey: association.authToken.version,
                 userInfo: {
                   nickname: association.nickname,
                   userIdHashCode: crypto

tests/in_memory_music_service.ts

@@ -15,7 +15,7 @@ export class InMemoryMusicService implements MusicService {
       password != undefined &&
       this.users[username] == password
     ) {
-      return { authToken: "token123", userId: username, nickname: username };
+      return { authToken: { value: "token123", version: "1" }, userId: username, nickname: username };
     } else {
       return { message: `Invalid user:${username}` };
     }

tests/link_codes.test.ts

@@ -18,7 +18,7 @@ describe("InMemoryLinkCodes", () => {
     describe('when token is valid', () => {
       it('should associate the token', () => {
         const linkCode = linkCodes.mint();
-        const association = { authToken: "token123", nickname: "bob", userId: "1" };
+        const association = { authToken: { value: "token123", version: "22" }, nickname: "bob", userId: "1" };
 
         linkCodes.associate(linkCode, association);
 
@@ -29,7 +29,7 @@ describe("InMemoryLinkCodes", () => {
     describe('when token is valid', () => {
       it('should throw an error', () => {
         const invalidLinkCode = "invalidLinkCode";
-        const association = { authToken: "token123", nickname: "bob", userId: "1" };
+        const association = { authToken: { value: "token123", version: "33" }, nickname: "bob", userId: "1" };
 
         expect(() => linkCodes.associate(invalidLinkCode, association)).toThrow(`Invalid linkCode ${invalidLinkCode}`)
       }); 

tests/smapi.test.ts

@@ -175,7 +175,7 @@ describe("api", () => {
     describe("when there is a linkCode association", () => {
       it("should return a device auth token", async () => {
         const linkCode = linkCodes.mint();
-        const association = { authToken: "at", userId: "uid", nickname: "nn" };
+        const association = { authToken: { value: "at", version: "66" }, userId: "uid", nickname: "nn" };
         linkCodes.associate(linkCode, association);
 
         const ws = await createClientAsync(`${service.uri}?wsdl`, {
@@ -187,8 +187,8 @@ describe("api", () => {
 
         expect(result[0]).toEqual({
           getDeviceAuthTokenResult: {
-            authToken: association.authToken,
-            privateKey: "v1",
+            authToken: association.authToken.value,
+            privateKey: association.authToken.version,
             userInfo: {
               nickname: association.nickname,
               userIdHashCode: crypto