Reset expire timer version after unlink

ts/models/conversations.ts

@@ -193,6 +193,7 @@ import { cleanupMessages } from '../util/cleanup';
 import { MessageModel } from './messages';
 import { applyNewAvatar } from '../groups';
 import { safeSetTimeout } from '../util/timeout';
+import { INITIAL_EXPIRE_TIMER_VERSION } from '../util/expirationTimer';
 
 /* eslint-disable more/no-then */
 window.Whisper = window.Whisper || {};
@@ -313,7 +314,7 @@ export class ConversationModel extends window.Backbone
       verified: window.textsecure.storage.protocol.VerifiedStatus.DEFAULT,
       messageCount: 0,
       sentMessageCount: 0,
-      expireTimerVersion: 1,
+      expireTimerVersion: INITIAL_EXPIRE_TIMER_VERSION,
     };
   }
 
@@ -4667,6 +4668,21 @@ export class ConversationModel extends window.Backbone
       );
     }
 
+    // If this is the initial sync, we want to use the provided expire timer & version and
+    // disregard our local version. We might be re-linking after the primary has
+    // re-registered and their expireTimerVersion may have been reset, but we don't want
+    // to ignore it; our local version is out of date.
+    if (
+      isInitialSync &&
+      this.get('expireTimerVersion') !== INITIAL_EXPIRE_TIMER_VERSION
+    ) {
+      log.warn(
+        'updateExpirationTimer: Resetting expireTimerVersion since this is initialSync'
+      );
+      // This is reset after unlink, but we do it here as well to recover from errors
+      this.set('expireTimerVersion', INITIAL_EXPIRE_TIMER_VERSION);
+    }
+
     let expireTimer: DurationInSeconds | undefined = providedExpireTimer;
     let source = providedSource;
     if (this.get('left')) {
@@ -4687,7 +4703,7 @@ export class ConversationModel extends window.Backbone
       `updateExpirationTimer(${this.idForLogging()}, ` +
       `${expireTimer || 'disabled'}, version=${version || 0}) ` +
       `source=${source ?? '?'} localValue=${this.get('expireTimer')} ` +
-      `localVersion=${localVersion}, reason=${reason}`;
+      `localVersion=${localVersion}, reason=${reason}, isInitialSync=${isInitialSync}`;
 
     if (isSetByOther) {
       if (version) {

ts/sql/Server.ts

@@ -212,6 +212,7 @@ import {
   replaceAllEndorsementsForGroup,
 } from './server/groupSendEndorsements';
 import type { GifType } from '../components/fun/panels/FunPanelGifs';
+import { INITIAL_EXPIRE_TIMER_VERSION } from '../util/expirationTimer';
 
 type ConversationRow = Readonly<{
   json: string;
@@ -1663,7 +1664,9 @@ function saveConversation(db: WritableDB, data: ConversationType): void {
     `
   ).run({
     id,
-    json: objectToJSON(omit(data, ['profileLastFetchedAt'])),
+    json: objectToJSON(
+      omit(data, ['profileLastFetchedAt', 'expireTimerVersion'])
+    ),
 
     e164: e164 || null,
     serviceId: serviceId || null,
@@ -1799,14 +1802,20 @@ function getConversationById(
   id: string
 ): ConversationType | undefined {
   const row = db
-    .prepare('SELECT json FROM conversations WHERE id = $id;')
-    .get<{ json: string }>({ id });
+    .prepare(
+      `
+      SELECT json, profileLastFetchedAt, expireTimerVersion 
+      FROM conversations 
+      WHERE id = $id
+      `
+    )
+    .get<ConversationRow>({ id });
 
   if (!row) {
     return undefined;
   }
 
-  return jsonToObject(row.json);
+  return rowToConversation(row);
 }
 
 function getAllConversations(db: ReadableDB): Array<ConversationType> {
@@ -6952,19 +6961,25 @@ function removeAllConfiguration(db: WritableDB): void {
 
     db.exec(
       `
+        UPDATE storyDistributions SET senderKeyInfoJson = NULL;
+      `
+    );
+
+    /** Update conversations */
+    const [updateConversationsQuery, updateConversationsParams] = sql`
       UPDATE conversations
       SET
+        expireTimerVersion = ${INITIAL_EXPIRE_TIMER_VERSION}, 
         json = json_remove(
           json,
           '$.senderKeyInfo',
           '$.storageID',
           '$.needsStorageServiceSync',
-          '$.storageUnknownFields'
-        );
-
-      UPDATE storyDistributions SET senderKeyInfoJson = NULL;
-      `
+          '$.storageUnknownFields',
+          '$.expireTimerVersion'
         );
+    `;
+    db.prepare(updateConversationsQuery).run(updateConversationsParams);
   })();
 }
 

ts/test-electron/models/conversations_test.ts

@@ -9,6 +9,7 @@ import { SendStatus } from '../../messages/MessageSendState';
 import { IMAGE_PNG } from '../../types/MIME';
 import { generateAci, generatePni } from '../../types/ServiceId';
 import { MessageModel } from '../../models/messages';
+import { DurationInSeconds } from '../../util/durations';
 
 describe('Conversations', () => {
   async function resetConversationController(): Promise<void> {
@@ -16,15 +17,20 @@ describe('Conversations', () => {
     await window.ConversationController.load();
   }
 
-  beforeEach(resetConversationController);
-
-  afterEach(resetConversationController);
+  beforeEach(async () => {
+    await DataWriter.removeAll();
+    await window.textsecure.storage.user.setCredentials({
+      number: '+15550000000',
+      aci: generateAci(),
+      pni: generatePni(),
+      deviceId: 2,
+      deviceName: 'my device',
+      password: 'password',
+    });
+    await resetConversationController();
+  });
 
   it('updates lastMessage even in race conditions with db', async () => {
-    const ourNumber = '+15550000000';
-    const ourAci = generateAci();
-    const ourPni = generatePni();
-
     // Creating a fake conversation
     const conversation = new window.Whisper.Conversation({
       avatars: [],
@@ -44,14 +50,6 @@ describe('Conversations', () => {
       lastMessage: 'starting value',
     });
 
-    await window.textsecure.storage.user.setCredentials({
-      number: ourNumber,
-      aci: ourAci,
-      pni: ourPni,
-      deviceId: 2,
-      deviceName: 'my device',
-      password: 'password',
-    });
     await window.ConversationController.load();
     await window.ConversationController.getOrCreateAndWait(
       conversation.attributes.e164 ?? null,
@@ -163,4 +161,39 @@ describe('Conversations', () => {
     assert.equal(resultWithImage.contentType, 'image/png');
     assert.equal(resultWithImage.fileName, null);
   });
+
+  describe('updateExpirationTimer', () => {
+    it('always updates if `isInitialSync` is true', async () => {
+      const conversation =
+        await window.ConversationController.getOrCreateAndWait(
+          generateUuid(),
+          'private',
+          {
+            expireTimerVersion: 42,
+            expireTimer: DurationInSeconds.WEEK,
+          }
+        );
+
+      // Without isInitialSync, ignores
+      await conversation.updateExpirationTimer(DurationInSeconds.DAY, {
+        reason: 'test',
+        source: 'test',
+        version: 3,
+      });
+
+      assert.equal(conversation.getExpireTimerVersion(), 42);
+      assert.equal(conversation.get('expireTimer'), DurationInSeconds.WEEK);
+
+      // With isInitialSync, overwrites
+      await conversation.updateExpirationTimer(DurationInSeconds.DAY, {
+        reason: 'test',
+        source: 'test',
+        version: 3,
+        isInitialSync: true,
+      });
+
+      assert.equal(conversation.getExpireTimerVersion(), 3);
+      assert.equal(conversation.get('expireTimer'), DurationInSeconds.DAY);
+    });
+  });
 });

ts/test-electron/sql/removeAllConfiguration_test.ts

@@ -0,0 +1,45 @@
+// Copyright 2025 Signal Messenger, LLC
+// SPDX-License-Identifier: AGPL-3.0-only
+
+import { assert } from 'chai';
+import { v4 as generateGuid } from 'uuid';
+
+import { DataWriter, DataReader } from '../../sql/Client';
+
+describe('Remove all configuration test', () => {
+  beforeEach(async () => {
+    await DataWriter.removeAll();
+  });
+  it('Removes conversation-specific configuration', async () => {
+    const { attributes } =
+      await window.ConversationController.getOrCreateAndWait(
+        generateGuid(),
+        'private',
+        {
+          expireTimerVersion: 3,
+          senderKeyInfo: {
+            createdAtDate: Date.now(),
+            distributionId: generateGuid(),
+            memberDevices: [],
+          },
+          storageID: 'storageId',
+          needsStorageServiceSync: true,
+          storageUnknownFields: 'base64==',
+          name: 'Name (and all other fields) should be preserved',
+        }
+      );
+
+    await DataWriter.removeAllConfiguration();
+
+    const convoAfter = await DataReader.getConversationById(attributes.id);
+    assert.strictEqual(convoAfter?.expireTimerVersion, 1);
+    assert.isUndefined(convoAfter?.storageID);
+    assert.isUndefined(convoAfter?.needsStorageServiceSync);
+    assert.isUndefined(convoAfter?.storageUnknownFields);
+    assert.isUndefined(convoAfter?.senderKeyInfo);
+    assert.strictEqual(
+      convoAfter?.name,
+      'Name (and all other fields) should be preserved'
+    );
+  });
+});

ts/util/expirationTimer.ts

@@ -7,6 +7,8 @@ import { isNumber } from 'lodash';
 import type { LocalizerType } from '../types/Util';
 import { SECOND, DurationInSeconds } from './durations';
 
+export const INITIAL_EXPIRE_TIMER_VERSION = 1;
+
 const SECONDS_PER_WEEK = 604800;
 export const DEFAULT_DURATIONS_IN_SECONDS: ReadonlyArray<DurationInSeconds> = [
   DurationInSeconds.ZERO,