fix: disable backup of mmkv keys in icloud (#5165)

* set accessible key to mmkv

* update patch package

__mocks__/react-native-mmkv-storage.js

@@ -4,8 +4,10 @@ export class MMKVLoader {
 	}
 
 	setProcessingMode = jest.fn().mockImplementation(() => ({
-		withEncryption: jest.fn().mockImplementation(() => ({
-			initialize: jest.fn().mockImplementation(() => {})
+		setAccessibleIOS: jest.fn().mockImplementation(() => ({
+			withEncryption: jest.fn().mockImplementation(() => ({
+				initialize: jest.fn().mockImplementation(() => {})
+			}))
 		}))
 	}));
 }
@@ -14,4 +16,8 @@ export const ProcessingModes = {
 	MULTI_PROCESS: ''
 };
 
+export const IOSAccessibleStates = {
+	AFTER_FIRST_UNLOCK_THIS_DEVICE_ONLY: ''
+};
+
 export const create = jest.fn();

app/lib/methods/userPreferences.ts

@@ -1,8 +1,9 @@
-import { create, MMKVLoader, MMKVInstance, ProcessingModes } from 'react-native-mmkv-storage';
+import { create, MMKVLoader, MMKVInstance, ProcessingModes, IOSAccessibleStates } from 'react-native-mmkv-storage';
 
 const MMKV = new MMKVLoader()
 	// MODES.MULTI_PROCESS = ACCESSIBLE BY APP GROUP (iOS)
 	.setProcessingMode(ProcessingModes.MULTI_PROCESS)
+	.setAccessibleIOS(IOSAccessibleStates.AFTER_FIRST_UNLOCK_THIS_DEVICE_ONLY)
 	.withEncryption()
 	.initialize();
 

patches/react-native-mmkv-storage+0.9.1.patch

@@ -1,3 +1,51 @@
+diff --git a/node_modules/react-native-mmkv-storage/ios/MMKVNative.mm b/node_modules/react-native-mmkv-storage/ios/MMKVNative.mm
+index 9af089d..12ff53b 100644
+--- a/node_modules/react-native-mmkv-storage/ios/MMKVNative.mm
++++ b/node_modules/react-native-mmkv-storage/ios/MMKVNative.mm
+@@ -37,12 +37,43 @@ - (instancetype)init
+         rPath = rootDir;
+         _secureStorage = [[SecureStorage alloc] init];
+         [MMKV initializeMMKV:rootDir];
++        [self addSkipBackupAttributeToDir:rootDir];
+     });
+     
+     
+     return self;
+ }
+ 
++- (BOOL)addSkipBackupAttributeToURLAtPath:(NSURL *)url
++{
++    if (!url) return NO;
++    if (![[NSFileManager defaultManager] fileExistsAtPath:url.path]) return NO;
++
++    NSError *error = nil;
++    NSNumber *value = nil;
++    BOOL success = [url getResourceValue:&value forKey:NSURLIsExcludedFromBackupKey error:&error];
++    if (value.boolValue == YES) {
++        NSLog(@"%@ already marked for backup exclusion", [url lastPathComponent]);
++        return YES;
++    }
++
++    success = [url setResourceValue:[NSNumber numberWithBool:YES]
++                                  forKey:NSURLIsExcludedFromBackupKey error:&error];
++    if(!success){
++        NSLog(@"Error excluding %@ from backup: %@", [url lastPathComponent], error);
++    } else {
++        NSLog(@"Succesfully marked %@ for backup exclusion", [url lastPathComponent]);
++    }
++    return success;
++}
++
++- (BOOL) addSkipBackupAttributeToDir:(NSString *)path
++{
++    if (!path) return NO;
++    NSURL *pathUrl = [[NSURL alloc] initFileURLWithPath:path isDirectory:YES];
++    return [self addSkipBackupAttributeToURLAtPath:pathUrl];
++}
++
+ MMKV *getInstance(NSString *ID) {
+     if ([[mmkvInstances allKeys] containsObject:ID]) {
+         MMKV *kv = [mmkvInstances objectForKey:ID];
 diff --git a/node_modules/react-native-mmkv-storage/ios/SecureStorage.m b/node_modules/react-native-mmkv-storage/ios/SecureStorage.m
 index dbea26b..2483375 100644
 --- a/node_modules/react-native-mmkv-storage/ios/SecureStorage.m