Remove legacy sessions support (#4369)

src/components/App.tsx

@@ -136,7 +136,7 @@ const App: FC<StateProps> = ({
         activeKey = AppScreens.main;
         break;
     }
-  } else if (hasStoredSession(true)) {
+  } else if (hasStoredSession()) {
     page = 'main';
     activeKey = AppScreens.main;
   } else if (hasPasscode) {

src/config.ts

@@ -33,7 +33,6 @@ export const INACTIVE_MARKER = '[Inactive]';
 export const DEBUG_PAYMENT_SMART_GLOCAL = false;
 
 export const SESSION_USER_KEY = 'user_auth';
-export const LEGACY_SESSION_KEY = 'GramJs:sessionId';
 export const PASSCODE_CACHE_NAME = 'tt-passcode';
 
 export const GLOBAL_STATE_CACHE_DISABLED = false;

src/global/actions/api/initial.ts

@@ -3,7 +3,6 @@ import { ManagementProgress } from '../../../types';
 
 import {
   CUSTOM_BG_CACHE_NAME,
-  IS_TEST,
   LANG_CACHE_NAME,
   LOCK_SCREEN_ANIMATION_DURATION_MS,
   MEDIA_CACHE_NAME,
@@ -18,9 +17,7 @@ import { unsubscribe } from '../../../util/notifications';
 import { clearEncryptedSession, encryptSession, forgetPasscode } from '../../../util/passcode';
 import { parseInitialLocationHash, resetInitialLocationHash, resetLocationHash } from '../../../util/routing';
 import {
-  clearLegacySessions,
   clearStoredSession,
-  importLegacySession,
   loadStoredSession,
   storeSession,
 } from '../../../util/sessions';
@@ -39,12 +36,7 @@ import {
   addUsers, clearGlobalForLockScreen, updateManagementProgress, updatePasscodeSettings,
 } from '../../reducers';
 
-addActionHandler('initApi', async (global, actions): Promise<void> => {
-  if (!IS_TEST) {
-    await importLegacySession();
-    void clearLegacySessions();
-  }
-
+addActionHandler('initApi', (global, actions): ActionReturnType => {
   const initialLocationHash = parseInitialLocationHash();
 
   void initApi(actions.apiUpdate, {
@@ -208,8 +200,6 @@ addActionHandler('reset', (global, actions): ActionReturnType => {
     void cacheApi.clear(`${langCachePrefix}${i === 0 ? '' : i}`);
   }
 
-  void clearLegacySessions();
-
   updateAppBadge(0);
 
   actions.initShared({ force: true });

src/global/actions/ui/initial.ts

@@ -64,7 +64,7 @@ addActionHandler('switchMultitabRole', async (global, actions, payload): Promise
       storeSession(session, session.userId);
     }
 
-    if (hasStoredSession(true)) {
+    if (hasStoredSession()) {
       setupCaching();
     }
 

src/global/cache.ts

@@ -86,7 +86,7 @@ export function loadCache(initialState: GlobalState): GlobalState | undefined {
 
   const cache = readCache(initialState);
 
-  if (cache.passcode.hasPasscode || hasStoredSession(true)) {
+  if (cache.passcode.hasPasscode || hasStoredSession()) {
     setupCaching();
 
     return cache;

src/util/sessions.ts

@@ -1,19 +1,12 @@
-import * as idb from 'idb-keyval';
-
 import type { ApiSessionData } from '../api/types';
 
 import {
-  DEBUG, GLOBAL_STATE_CACHE_KEY, LEGACY_SESSION_KEY, SESSION_USER_KEY,
+  DEBUG, GLOBAL_STATE_CACHE_KEY, SESSION_USER_KEY,
 } from '../config';
-import * as cacheApi from './cacheApi';
 
 const DC_IDS = [1, 2, 3, 4, 5];
 
-export function hasStoredSession(withLegacy = false) {
-  if (withLegacy && localStorage.getItem(LEGACY_SESSION_KEY)) {
-    return true;
-  }
-
+export function hasStoredSession() {
   if (checkSessionLocked()) {
     return true;
   }
@@ -102,43 +95,6 @@ export function loadStoredSession(): ApiSessionData | undefined {
   };
 }
 
-export async function importLegacySession() {
-  const sessionId = localStorage.getItem(LEGACY_SESSION_KEY);
-  if (!sessionId) return;
-
-  const sessionJson = await idb.get(`GramJs:${sessionId}`);
-  try {
-    const sessionData = JSON.parse(sessionJson) as ApiSessionData;
-    storeSession(sessionData);
-  } catch (err) {
-    if (DEBUG) {
-      // eslint-disable-next-line no-console
-      console.warn('Failed to load legacy session', err);
-    }
-  }
-}
-
-// Remove previously created IndexedDB and cache API sessions
-export async function clearLegacySessions() {
-  try {
-    localStorage.removeItem(LEGACY_SESSION_KEY);
-
-    const idbKeys = await idb.keys();
-
-    await Promise.all<Promise<any>>([
-      cacheApi.clear('GramJs'),
-      ...idbKeys
-        .filter((k) => typeof k === 'string' && k.startsWith('GramJs:GramJs-session-'))
-        .map((k) => idb.del(k)),
-    ]);
-  } catch (err) {
-    if (DEBUG) {
-      // eslint-disable-next-line no-console
-      console.warn('Failed to clear legacy session', err);
-    }
-  }
-}
-
 export function importTestSession() {
   const sessionJson = process.env.TEST_SESSION!;
   try {

src/util/websync.ts

@@ -92,7 +92,7 @@ export function startWebsync() {
   lastTimeout = setTimeout(() => {
     const { authState } = getGlobal();
 
-    const authed = authState === 'authorizationStateReady' || hasStoredSession(true);
+    const authed = authState === 'authorizationStateReady' || hasStoredSession();
     forceWebsync(authed);
   }, Math.max(0, timeout * 1000));
 }