Backups v2 IDFA check

ios/RCTDeviceUUID.h

@@ -0,0 +1,6 @@
+#import "React/RCTBridgeModule.h"
+#import "React/RCTLog.h"
+
+@interface RCTDeviceUUID : NSObject <RCTBridgeModule>
+
+@end

ios/RCTDeviceUUID.m

@@ -0,0 +1,16 @@
+#import "RCTDeviceUUID.h"
+
+@implementation RCTDeviceUUID
+
+@synthesize bridge = _bridge;
+
+RCT_EXPORT_MODULE();
+
+RCT_EXPORT_METHOD(getUUID:(RCTResponseSenderBlock)callback)
+{
+  NSUUID *deviceId =  [UIDevice currentDevice].identifierForVendor;
+
+  callback(@[[NSNull null], [NSArray arrayWithObjects: [deviceId UUIDString], nil]]);
+}
+
+@end

ios/Rainbow.xcodeproj/project.pbxproj

@@ -131,6 +131,7 @@
 		C1EB01312731B68400830E70 /* TokenDetails.swift in Sources */ = {isa = PBXBuildFile; fileRef = C1EB012E2731B68400830E70 /* TokenDetails.swift */; };
 		C72F456C99A646399192517D /* libz.tbd in Frameworks */ = {isa = PBXBuildFile; fileRef = 98AED33BAB4247CEBEF8464D /* libz.tbd */; };
 		C85BADF4CAE1A2FA1D99C521 /* libPods-Rainbow.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 13F1E920F312479DF774F1FB /* libPods-Rainbow.a */; };
+		C97EAD8D2BD6C6DF00322D53 /* RCTDeviceUUID.m in Sources */ = {isa = PBXBuildFile; fileRef = C97EAD8B2BD6C6DF00322D53 /* RCTDeviceUUID.m */; };
 		ED2971652150620600B7C4FE /* JavaScriptCore.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = ED2971642150620600B7C4FE /* JavaScriptCore.framework */; };
 /* End PBXBuildFile section */
 
@@ -320,6 +321,8 @@
 		C1C61A81272CBDA100E5C0B3 /* Images.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; path = Images.xcassets; sourceTree = "<group>"; };
 		C1C61A902731A05700E5C0B3 /* RainbowTokenList.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = RainbowTokenList.swift; sourceTree = "<group>"; };
 		C1EB012E2731B68400830E70 /* TokenDetails.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TokenDetails.swift; sourceTree = "<group>"; };
+		C97EAD8B2BD6C6DF00322D53 /* RCTDeviceUUID.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = RCTDeviceUUID.m; sourceTree = "<group>"; };
+		C97EAD8C2BD6C6DF00322D53 /* RCTDeviceUUID.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = RCTDeviceUUID.h; sourceTree = "<group>"; };
 		CBE43422951BC4BC1A49163C /* Pods-SelectTokenIntent.localrelease.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-SelectTokenIntent.localrelease.xcconfig"; path = "Target Support Files/Pods-SelectTokenIntent/Pods-SelectTokenIntent.localrelease.xcconfig"; sourceTree = "<group>"; };
 		D755E71324B04FEE9C691D14 /* libRNFirebase.a */ = {isa = PBXFileReference; explicitFileType = undefined; fileEncoding = 9; includeInIndex = 0; lastKnownFileType = archive.ar; path = libRNFirebase.a; sourceTree = "<group>"; };
 		ED297162215061F000B7C4FE /* JavaScriptCore.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = JavaScriptCore.framework; path = System/Library/Frameworks/JavaScriptCore.framework; sourceTree = SDKROOT; };
@@ -564,6 +567,8 @@
 		832341AE1AAA6A7D00B99B32 /* Libraries */ = {
 			isa = PBXGroup;
 			children = (
+				C97EAD8C2BD6C6DF00322D53 /* RCTDeviceUUID.h */,
+				C97EAD8B2BD6C6DF00322D53 /* RCTDeviceUUID.m */,
 			);
 			name = Libraries;
 			sourceTree = "<group>";
@@ -1303,6 +1308,7 @@
 				C18FCD32273C62230079CE28 /* PriceWidgetView.swift in Sources */,
 				15E531D5242B28EF00797B89 /* UIImageViewWithPersistentAnimations.swift in Sources */,
 				C18FCD3B273C64CF0079CE28 /* UIImage.swift in Sources */,
+				C97EAD8D2BD6C6DF00322D53 /* RCTDeviceUUID.m in Sources */,
 				A4277D9F23CBD1910042BAF4 /* Extensions.swift in Sources */,
 				A4D04BAC23D12FD5008C1DEC /* ButtonManager.m in Sources */,
 				C18FCD3C273C64D10079CE28 /* TokenDetails.swift in Sources */,

src/App.js

@@ -57,6 +57,7 @@ import { handleReviewPromptAction } from '@/utils/reviewAlert';
 import { RemotePromoSheetProvider } from '@/components/remote-promo-sheet/RemotePromoSheetProvider';
 import { RemoteCardProvider } from '@/components/cards/remote-cards';
 import { initializeRemoteConfig } from '@/model/remoteConfig';
+import { checkIdentifierOnLaunch } from './model/backup';
 
 if (__DEV__) {
   reactNativeDisableYellowBox && LogBox.ignoreAllLogs();
@@ -109,6 +110,7 @@ class OldApp extends Component {
     if (!__DEV__ && isTestFlight) {
       logger.info(`Test flight usage - ${isTestFlight}`);
     }
+
     this.identifyFlow();
     const eventSub = AppState?.addEventListener('change', this?.handleAppStateChange);
     this.setState({ eventSubscription: eventSub });
@@ -150,6 +152,8 @@ class OldApp extends Component {
           handleReviewPromptAction(ReviewPromptAction.TimesLaunchedSinceInstall);
         }, 10_000);
       });
+
+      checkIdentifierOnLaunch();
     }
 
     const initialRoute = address ? Routes.SWIPE_LAYOUT : Routes.WELCOME_SCREEN;

src/components/backup/useCreateBackup.ts

@@ -11,6 +11,7 @@ import { Navigation, useNavigation } from '@/navigation';
 import { InteractionManager } from 'react-native';
 import { DelayedAlert } from '../alerts';
 import { useDispatch } from 'react-redux';
+import { AllRainbowWallets } from '@/model/wallet';
 
 type UseCreateBackupProps = {
   walletId?: string;
@@ -82,7 +83,7 @@ export const useCreateBackup = ({ walletId, navigateToRoute }: UseCreateBackupPr
           return;
         }
         backupAllWalletsToCloud({
-          wallets,
+          wallets: wallets as AllRainbowWallets,
           password,
           latestBackup,
           onError,

src/helpers/walletBackupStepTypes.ts

@@ -5,4 +5,5 @@ export default {
   restore_from_backup: 'restore_from_backup',
   backup_now_to_cloud: 'cloud',
   backup_now_manually: 'manual',
+  check_identifier: 'check_identifier',
 };

src/languages/en_US.json

@@ -431,6 +431,23 @@
         "description": "You can also long press your\naddress above to copy it."
       }
     },
+    "check_identifier": {
+      "title": "Authentication Needed",
+      "description": "It looks like you may have switched devices or reinstalled Rainbow. Please authenticate so that we can validate your keychain data is still in a healthy state.",
+      "action": "Authenticate",
+      "dismiss": "Dismiss",
+      "error_alert": {
+        "title": "Error Validating Keychain",
+        "message": "We encountered an error while validating your keychain data. Please try again. If the issue persists, please contact support.",
+        "contact_support": "Contact Support",
+        "cancel": "Cancel"
+      },
+      "failure_alert": {
+        "title": "Invalid Keychain Data",
+        "message": "We were unable to verify the integrity of your keychain data. Please restore your wallet and try again. If the issue persists, please contact support.",
+        "action": "Continue"
+      }
+    },
     "cloud": {
       "backup_success": "Your wallet has been backed up successfully!"
     },

src/model/backup.ts

@@ -1,23 +1,31 @@
+import AsyncStorage from '@react-native-async-storage/async-storage';
+import { NativeModules } from 'react-native';
 import { captureException } from '@sentry/react-native';
 import { endsWith } from 'lodash';
 import { CLOUD_BACKUP_ERRORS, encryptAndSaveDataToCloud, getDataFromCloud } from '@/handlers/cloudBackup';
 import WalletBackupTypes from '../helpers/walletBackupTypes';
 import WalletTypes from '../helpers/walletTypes';
-import { allWalletsKey, pinKey, privateKeyKey, seedPhraseKey, selectedWalletKey } from '@/utils/keychainConstants';
+import { Alert } from '@/components/alerts';
+import { allWalletsKey, pinKey, privateKeyKey, seedPhraseKey, selectedWalletKey, identifierForVendorKey } from '@/utils/keychainConstants';
 import * as keychain from '@/model/keychain';
 import * as kc from '@/keychain';
 import { AllRainbowWallets, allWalletsVersion, createWallet, RainbowWallet } from './wallet';
 import { analytics } from '@/analytics';
 import oldLogger from '@/utils/logger';
 import { logger, RainbowError } from '@/logger';
-import { IS_ANDROID } from '@/env';
+import { IS_ANDROID, IS_DEV } from '@/env';
 import AesEncryptor from '../handlers/aesEncryption';
 import { authenticateWithPIN, authenticateWithPINAndCreateIfNeeded, decryptPIN } from '@/handlers/authentication';
 import * as i18n from '@/languages';
 import { getUserError } from '@/hooks/useWalletCloudBackup';
 import { cloudPlatform } from '@/utils/platform';
 import { setAllWalletsWithIdsAsBackedUp } from '@/redux/wallets';
+import { Navigation } from '@/navigation';
+import Routes from '@/navigation/routesNames';
+import { clearAllStorages } from './mmkv';
+import walletBackupStepTypes from '@/helpers/walletBackupStepTypes';
 
+const { DeviceUUID } = NativeModules;
 const encryptor = new AesEncryptor();
 const PIN_REGEX = /^\d{4}$/;
 
@@ -622,7 +630,7 @@ async function decryptSecretFromBackupPin({ secret, backupPIN }: { secret?: stri
 // Attempts to save the password to decrypt the backup from the iCloud keychain
 export async function saveBackupPassword(password: BackupPassword): Promise<void> {
   try {
-    if (ios) {
+    if (!IS_ANDROID) {
       await kc.setSharedWebCredentials('Backup Password', password);
       analytics.track('Saved backup password on iCloud');
     }
@@ -653,7 +661,7 @@ export async function saveLocalBackupPassword(password: string) {
 
 // Attempts to fetch the password to decrypt the backup from the iCloud keychain
 export async function fetchBackupPassword(): Promise<null | BackupPassword> {
-  if (android) {
+  if (IS_ANDROID) {
     return null;
   }
 
@@ -669,3 +677,130 @@ export async function fetchBackupPassword(): Promise<null | BackupPassword> {
     return null;
   }
 }
+
+export async function getDeviceUUID(): Promise<string | null> {
+  if (IS_ANDROID) {
+    return null;
+  }
+
+  return new Promise(resolve => {
+    DeviceUUID.getUUID((error: unknown, uuid: string[]) => {
+      if (error) {
+        logger.error(new RainbowError('Received error when trying to get uuid from Native side'), {
+          error,
+        });
+        resolve(null);
+      } else {
+        resolve(uuid[0]);
+      }
+    });
+  });
+}
+
+const FailureAlert = () =>
+  Alert({
+    buttons: [
+      {
+        style: 'cancel',
+        text: i18n.t(i18n.l.check_identifier.failure_alert.action),
+      },
+    ],
+    message: i18n.t(i18n.l.check_identifier.failure_alert.message),
+    title: i18n.t(i18n.l.check_identifier.failure_alert.title),
+  });
+
+/**
+ * Checks if the identifier is the same as the one stored in localstorage
+ * The identifier can get out of sync in two instances:
+ * 1. when the user reinstalls the app
+ * 2. when the user migrates phones (we really only care about this instance)
+ *
+ * The goal here is to not allow them into the app if they have broken keychain data from a phone migration
+ *
+ * @returns a promise function to be ran after successful biometric authentication
+ */
+export async function checkIdentifierOnLaunch() {
+  // Unable to really persist things on Android, so let's just exit early...
+  if (IS_ANDROID) return;
+
+  try {
+    const uuid = await getDeviceUUID();
+    if (!uuid) {
+      throw new Error('Unable to retrieve identifier for vendor');
+    }
+
+    const currentIdentifier = await kc.get(identifierForVendorKey);
+    if (currentIdentifier.error) {
+      switch (currentIdentifier.error) {
+        case kc.ErrorType.Unavailable: {
+          logger.debug('Value for current identifier not found, setting it to new UUID...', {
+            uuid,
+            error: currentIdentifier.error,
+          });
+          await kc.set(identifierForVendorKey, uuid);
+          return;
+        }
+
+        default:
+          logger.error(new RainbowError('Error while checking identifier on launch'), {
+            error: currentIdentifier.error,
+          });
+          break;
+      }
+
+      throw new Error('Unable to retrieve current identifier');
+    }
+
+    // NOTE: This can only happen on a fresh install
+    if (!currentIdentifier.value) {
+      await kc.set(identifierForVendorKey, uuid);
+      return;
+    }
+
+    if (!IS_DEV) {
+      // if our identifiers match up, we can assume no reinstall/migration
+      if (currentIdentifier.value === uuid) {
+        return;
+      }
+    }
+
+    return new Promise(resolve => {
+      Navigation.handleAction(Routes.CHECK_IDENTIFIER_SCREEN, {
+        step: walletBackupStepTypes.check_identifier,
+        // NOTE: Just a reinstall, let's update the identifer and send them back to the app
+        onSuccess: async () => {
+          await kc.set(identifierForVendorKey, uuid);
+          Navigation.goBack();
+          resolve(true);
+        },
+        // NOTE: Detected a phone migration, let's remove keychain keys and send them back to the welcome screen
+        onFailure: async () => {
+          FailureAlert();
+          // wipe keychain
+          await kc.clear();
+
+          // re-add the IDFA uuid
+          await kc.set(identifierForVendorKey, uuid);
+
+          // clear async storage
+          await AsyncStorage.clear();
+
+          // clear mmkv
+          clearAllStorages();
+
+          // send user back to welcome screen
+          Navigation.handleAction(Routes.WELCOME_SCREEN, {});
+          resolve(false);
+        },
+      });
+    });
+  } catch (error) {
+    logger.error(new RainbowError('Error while checking identifier on launch'), {
+      extra: {
+        error,
+      },
+    });
+  }
+
+  return false;
+}

src/navigation/Routes.ios.tsx

@@ -70,6 +70,7 @@ import {
   positionSheetConfig,
   appIconUnlockSheetConfig,
   swapConfig,
+  checkIdentifierSheetConfig,
   recieveModalSheetConfig,
 } from './config';
 import { addCashSheet, emojiPreset, emojiPresetWallet, overlayExpandedPreset, sheetPreset } from './effects';
@@ -101,6 +102,7 @@ import AppIconUnlockSheet from '@/screens/AppIconUnlockSheet';
 import { SwapScreen } from '@/__swaps__/screens/Swap/Swap';
 import { useRemoteConfig } from '@/model/remoteConfig';
 import { SwapProvider } from '@/__swaps__/screens/Swap/providers/swap-provider';
+import CheckIdentifierScreen from '@/screens/CheckIdentifierScreen';
 import { ControlPanel } from '@/components/DappBrowser/control-panel/ControlPanel';
 
 type StackNavigatorParams = {
@@ -229,6 +231,7 @@ function NativeStackNavigator() {
           transitionDuration: 0.25,
         }}
       />
+      <NativeStack.Screen component={CheckIdentifierScreen} name={Routes.CHECK_IDENTIFIER_SCREEN} {...checkIdentifierSheetConfig} />
       <NativeStack.Screen component={BackupSheet} name={Routes.BACKUP_SHEET} {...backupSheetConfig} />
       <NativeStack.Screen
         component={ModalScreen}

src/navigation/config.tsx

@@ -92,6 +92,7 @@ export const backupSheetSizes = {
     : deviceUtils.dimensions.height + safeAreaInsetValues.bottom + sharedCoolModalTopOffset + SheetHandleFixedToTopHeight,
   medium: 550,
   short: 424,
+  check_identifier: 414,
   shorter: 364,
 };
 
@@ -103,13 +104,35 @@ export const getHeightForStep = (step: string) => {
       return backupSheetSizes.long;
     case WalletBackupStepTypes.no_provider:
       return backupSheetSizes.medium;
+    case WalletBackupStepTypes.check_identifier:
+      return backupSheetSizes.check_identifier;
     case WalletBackupStepTypes.backup_now_manually:
       return backupSheetSizes.shorter;
     default:
       return backupSheetSizes.short;
   }
 };
 
+export const checkIdentifierSheetConfig: PartialNavigatorConfigOptions = {
+  options: ({ navigation, route }) => {
+    const { params: { longFormHeight, step, ...params } = {} } = route as {
+      params: any;
+    };
+
+    const heightForStep = getHeightForStep(step);
+    if (longFormHeight !== heightForStep) {
+      navigation.setParams({
+        longFormHeight: heightForStep,
+      });
+    }
+
+    return buildCoolModalConfig({
+      ...params,
+      longFormHeight: heightForStep,
+    });
+  },
+};
+
 export const backupSheetConfig: PartialNavigatorConfigOptions = {
   options: ({ navigation, route }) => {
     const { params: { longFormHeight, step, ...params } = {} } = route as {

src/navigation/routesNames.ts

@@ -12,6 +12,7 @@ const Routes = {
   BACKUP_SHEET: 'BackupSheet',
   CHANGE_WALLET_SHEET: 'ChangeWalletSheet',
   CHANGE_WALLET_SHEET_NAVIGATOR: 'ChangeWalletSheetNavigator',
+  CHECK_IDENTIFIER_SCREEN: 'CheckIdentifierScreen',
   CONFIRM_REQUEST: 'ConfirmRequest',
   CONNECTED_DAPPS: 'ConnectedDapps',
   CONSOLE_SHEET: 'ConsoleSheet',

src/navigation/types.ts

@@ -66,4 +66,8 @@ export type RootStackParamList = {
     ensName: string;
     mode: REGISTRATION_MODES;
   };
+  [Routes.CHECK_IDENTIFIER_SCREEN]: {
+    onSuccess: () => Promise<void>;
+    onFailure: () => Promise<void>;
+  };
 };