Enable link & sync in production

ts/state/ducks/installer.ts

@@ -195,10 +195,7 @@ function startInstaller(): ThunkAction<
     strictAssert(server, 'Expected a server');
 
     if (!provisioner) {
-      provisioner = new Provisioner({
-        server,
-        appVersion: window.getVersion(),
-      });
+      provisioner = new Provisioner({ server });
     }
 
     const cancel = provisioner.subscribe(event => {

ts/textsecure/AccountManager.ts

@@ -1116,7 +1116,7 @@ export default class AccountManager extends EventTarget {
 
     const shouldDownloadBackup =
       isBackupEnabled() ||
-      (isLinkAndSyncEnabled(window.getVersion()) && options.ephemeralBackupKey);
+      (isLinkAndSyncEnabled() && options.ephemeralBackupKey);
 
     // Set backup download path before storing credentials to ensure that
     // storage service and message receiver are not operating

ts/textsecure/Provisioner.ts

@@ -50,7 +50,6 @@ export enum EventKind {
 
 export type ProvisionerOptionsType = Readonly<{
   server: WebAPIType;
-  appVersion: string;
 }>;
 
 export type EnvelopeType = ProvisionDecryptResult;
@@ -113,7 +112,6 @@ const QR_CODE_TIMEOUTS = [10 * SECOND, 20 * SECOND, 30 * SECOND, 60 * SECOND];
 export class Provisioner {
   readonly #subscribers = new Set<SubscriberType>();
   readonly #server: WebAPIType;
-  readonly #appVersion: string;
   readonly #retryBackOff = new BackOff(FIBONACCI_TIMEOUTS);
 
   #sockets: Array<IWebSocketResource> = [];
@@ -121,9 +119,8 @@ export class Provisioner {
   #attemptCount = 0;
   #isRunning = false;
 
-  constructor({ server, appVersion }: ProvisionerOptionsType) {
+  constructor({ server }: ProvisionerOptionsType) {
     this.#server = server;
-    this.#appVersion = appVersion;
   }
 
   public subscribe(notify: SubscribeNotifierType): UnsubscribeFunctionType {
@@ -373,7 +370,7 @@ export class Provisioner {
                 kind: EventKind.Envelope,
                 envelope,
                 isLinkAndSync:
-                  isLinkAndSyncEnabled(this.#appVersion) &&
+                  isLinkAndSyncEnabled() &&
                   Bytes.isNotEmpty(envelope.ephemeralBackupKey),
               });
               request.respond(200, 'OK');
@@ -422,7 +419,7 @@ export class Provisioner {
       .toAppUrl({
         uuid,
         pubKey: Bytes.toBase64(cipher.getPublicKey()),
-        capabilities: isLinkAndSyncEnabled(this.#appVersion) ? ['backup3'] : [],
+        capabilities: isLinkAndSyncEnabled() ? ['backup3'] : [],
       })
       .toString();
 

ts/util/isLinkAndSyncEnabled.ts

@@ -1,14 +1,13 @@
 // Copyright 2024 Signal Messenger, LLC
 // SPDX-License-Identifier: AGPL-3.0-only
 
-import { isProduction } from './version';
 import { everDone as wasRegistrationEverDone } from './registration';
 
-export function isLinkAndSyncEnabled(version: string): boolean {
+export function isLinkAndSyncEnabled(): boolean {
   // Cannot overwrite existing message history
   if (wasRegistrationEverDone()) {
     return false;
   }
 
-  return !isProduction(version);
+  return true;
 }