mirror of
https://github.com/oxen-io/session-ios.git
synced 2023-12-13 21:30:14 +01:00
78c0d000be
Fixed an issue where the "block" button would appear in the NoteToSelf swipe menu Removed the OWSBlockingManager and supporting files Removed a number of unused classes and methods Refactored the BlockListUIUtils to Swift
912 lines
31 KiB
Objective-C
912 lines
31 KiB
Objective-C
//
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// Copyright (c) 2019 Open Whisper Systems. All rights reserved.
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//
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#import "OWSBackup.h"
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#import "OWSBackupExportJob.h"
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#import "OWSBackupIO.h"
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#import "OWSBackupImportJob.h"
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#import "Session-Swift.h"
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#import <PromiseKit/AnyPromise.h>
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#import <SignalCoreKit/Randomness.h>
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#import <SessionMessagingKit/OWSIdentityManager.h>
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#import <SessionMessagingKit/YapDatabaseConnection+OWS.h>
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@import CloudKit;
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NS_ASSUME_NONNULL_BEGIN
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NSString *const NSNotificationNameBackupStateDidChange = @"NSNotificationNameBackupStateDidChange";
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NSString *const OWSPrimaryStorage_OWSBackupCollection = @"OWSPrimaryStorage_OWSBackupCollection";
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NSString *const OWSBackup_IsBackupEnabledKey = @"OWSBackup_IsBackupEnabledKey";
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NSString *const OWSBackup_LastExportSuccessDateKey = @"OWSBackup_LastExportSuccessDateKey";
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NSString *const OWSBackup_LastExportFailureDateKey = @"OWSBackup_LastExportFailureDateKey";
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NSString *const OWSBackupErrorDomain = @"OWSBackupErrorDomain";
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NSString *NSStringForBackupExportState(OWSBackupState state)
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{
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switch (state) {
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case OWSBackupState_Idle:
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return NSLocalizedString(@"SETTINGS_BACKUP_STATUS_IDLE", @"Indicates that app is not backing up.");
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case OWSBackupState_InProgress:
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return NSLocalizedString(@"SETTINGS_BACKUP_STATUS_IN_PROGRESS", @"Indicates that app is backing up.");
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case OWSBackupState_Failed:
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return NSLocalizedString(@"SETTINGS_BACKUP_STATUS_FAILED", @"Indicates that the last backup failed.");
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case OWSBackupState_Succeeded:
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return NSLocalizedString(@"SETTINGS_BACKUP_STATUS_SUCCEEDED", @"Indicates that the last backup succeeded.");
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}
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}
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NSString *NSStringForBackupImportState(OWSBackupState state)
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{
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switch (state) {
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case OWSBackupState_Idle:
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return NSLocalizedString(@"SETTINGS_BACKUP_IMPORT_STATUS_IDLE", @"Indicates that app is not restoring up.");
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case OWSBackupState_InProgress:
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return NSLocalizedString(
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@"SETTINGS_BACKUP_IMPORT_STATUS_IN_PROGRESS", @"Indicates that app is restoring up.");
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case OWSBackupState_Failed:
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return NSLocalizedString(
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@"SETTINGS_BACKUP_IMPORT_STATUS_FAILED", @"Indicates that the last backup restore failed.");
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case OWSBackupState_Succeeded:
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return NSLocalizedString(
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@"SETTINGS_BACKUP_IMPORT_STATUS_SUCCEEDED", @"Indicates that the last backup restore succeeded.");
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}
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}
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NSArray<NSString *> *MiscCollectionsToBackup(void)
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{
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return @[
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OWSUserProfile.collection,
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SSKIncrementingIdFinder.collectionName,
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OWSPreferencesSignalDatabaseCollection,
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];
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}
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typedef NS_ENUM(NSInteger, OWSBackupErrorCode) {
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OWSBackupErrorCodeAssertionFailure = 0,
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};
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NSError *OWSBackupErrorWithDescription(NSString *description)
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{
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return [NSError errorWithDomain:@"OWSBackupErrorDomain"
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code:OWSBackupErrorCodeAssertionFailure
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userInfo:@{ NSLocalizedDescriptionKey : description }];
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}
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// TODO: Observe Reachability.
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@interface OWSBackup () <OWSBackupJobDelegate>
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@property (nonatomic, readonly) YapDatabaseConnection *dbConnection;
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// This property should only be accessed on the main thread.
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@property (nonatomic, nullable) OWSBackupExportJob *backupExportJob;
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// This property should only be accessed on the main thread.
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@property (nonatomic, nullable) OWSBackupImportJob *backupImportJob;
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@property (nonatomic, nullable) NSString *backupExportDescription;
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@property (nonatomic, nullable) NSNumber *backupExportProgress;
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@property (nonatomic, nullable) NSString *backupImportDescription;
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@property (nonatomic, nullable) NSNumber *backupImportProgress;
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@property (atomic) OWSBackupState backupExportState;
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@property (atomic) OWSBackupState backupImportState;
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@end
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#pragma mark -
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@implementation OWSBackup
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@synthesize dbConnection = _dbConnection;
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+ (instancetype)sharedManager
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{
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OWSAssertDebug(AppEnvironment.shared.backup);
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return AppEnvironment.shared.backup;
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}
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- (instancetype)init
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{
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self = [super init];
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if (!self) {
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return self;
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}
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self.backupExportState = OWSBackupState_Idle;
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self.backupImportState = OWSBackupState_Idle;
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OWSSingletonAssert();
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[AppReadiness runNowOrWhenAppDidBecomeReady:^{
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[self setup];
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}];
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return self;
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}
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- (void)dealloc
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{
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[[NSNotificationCenter defaultCenter] removeObserver:self];
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}
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- (void)setup
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{
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if (!OWSBackup.isFeatureEnabled) {
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return;
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}
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[OWSBackupAPI setup];
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[[NSNotificationCenter defaultCenter] addObserver:self
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selector:@selector(applicationDidBecomeActive:)
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name:OWSApplicationDidBecomeActiveNotification
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object:nil];
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[[NSNotificationCenter defaultCenter] addObserver:self
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selector:@selector(registrationStateDidChange)
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name:RegistrationStateDidChangeNotification
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object:nil];
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[[NSNotificationCenter defaultCenter] addObserver:self
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selector:@selector(ckAccountChanged)
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name:CKAccountChangedNotification
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object:nil];
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// We want to start a backup if necessary on app launch, but app launch is a
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// busy time and it's important to remain responsive, so wait a few seconds before
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// starting the backup.
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//
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// TODO: Make this period longer.
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dispatch_after(dispatch_time(DISPATCH_TIME_NOW, 2 * NSEC_PER_SEC), dispatch_get_main_queue(), ^{
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[self ensureBackupExportState];
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});
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}
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- (YapDatabaseConnection *)dbConnection
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{
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@synchronized(self) {
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if (!_dbConnection) {
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_dbConnection = self.primaryStorage.newDatabaseConnection;
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}
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return _dbConnection;
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}
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}
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#pragma mark - Dependencies
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- (OWSPrimaryStorage *)primaryStorage
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{
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OWSAssertDebug(SSKEnvironment.shared.primaryStorage);
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return SSKEnvironment.shared.primaryStorage;
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}
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- (TSAccountManager *)tsAccountManager
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{
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OWSAssertDebug(SSKEnvironment.shared.tsAccountManager);
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return SSKEnvironment.shared.tsAccountManager;
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}
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+ (BOOL)isFeatureEnabled
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{
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return NO;
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}
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#pragma mark - Backup Export
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- (void)tryToExportBackup
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{
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OWSAssertIsOnMainThread();
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OWSAssertDebug(!self.backupExportJob);
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if (!self.canBackupExport) {
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// TODO: Offer a reason in the UI.
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return;
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}
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if (!self.tsAccountManager.isRegisteredAndReady) {
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OWSFailDebug(@"Can't backup; not registered and ready.");
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return;
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}
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NSString *_Nullable recipientId = self.tsAccountManager.localNumber;
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if (recipientId.length < 1) {
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OWSFailDebug(@"Can't backup; missing recipientId.");
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return;
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}
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// In development, make sure there's no export or import in progress.
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[self.backupExportJob cancel];
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self.backupExportJob = nil;
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[self.backupImportJob cancel];
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self.backupImportJob = nil;
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self.backupExportState = OWSBackupState_InProgress;
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self.backupExportJob = [[OWSBackupExportJob alloc] initWithDelegate:self recipientId:recipientId];
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[self.backupExportJob start];
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[self postDidChangeNotification];
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}
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- (void)cancelExportBackup
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{
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[self.backupExportJob cancel];
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self.backupExportJob = nil;
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[self ensureBackupExportState];
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}
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- (void)setLastExportSuccessDate:(NSDate *)value
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{
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OWSAssertDebug(value);
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[self.dbConnection setDate:value
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forKey:OWSBackup_LastExportSuccessDateKey
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inCollection:OWSPrimaryStorage_OWSBackupCollection];
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}
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- (nullable NSDate *)lastExportSuccessDate
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{
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return [self.dbConnection dateForKey:OWSBackup_LastExportSuccessDateKey
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inCollection:OWSPrimaryStorage_OWSBackupCollection];
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}
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- (void)setLastExportFailureDate:(NSDate *)value
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{
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OWSAssertDebug(value);
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[self.dbConnection setDate:value
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forKey:OWSBackup_LastExportFailureDateKey
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inCollection:OWSPrimaryStorage_OWSBackupCollection];
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}
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- (nullable NSDate *)lastExportFailureDate
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{
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return [self.dbConnection dateForKey:OWSBackup_LastExportFailureDateKey
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inCollection:OWSPrimaryStorage_OWSBackupCollection];
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}
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- (BOOL)isBackupEnabled
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{
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return [self.dbConnection boolForKey:OWSBackup_IsBackupEnabledKey
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inCollection:OWSPrimaryStorage_OWSBackupCollection
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defaultValue:NO];
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}
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- (void)setIsBackupEnabled:(BOOL)value
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{
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[self.dbConnection setBool:value
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forKey:OWSBackup_IsBackupEnabledKey
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inCollection:OWSPrimaryStorage_OWSBackupCollection];
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if (!value) {
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[self.dbConnection removeObjectForKey:OWSBackup_LastExportSuccessDateKey
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inCollection:OWSPrimaryStorage_OWSBackupCollection];
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[self.dbConnection removeObjectForKey:OWSBackup_LastExportFailureDateKey
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inCollection:OWSPrimaryStorage_OWSBackupCollection];
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}
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[self postDidChangeNotification];
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[self ensureBackupExportState];
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}
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- (BOOL)hasPendingRestoreDecision
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{
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return [self.tsAccountManager hasPendingBackupRestoreDecision];
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}
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- (void)setHasPendingRestoreDecision:(BOOL)value
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{
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[self.tsAccountManager setHasPendingBackupRestoreDecision:value];
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}
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- (BOOL)canBackupExport
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{
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if (!self.isBackupEnabled) {
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return NO;
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}
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if (UIApplication.sharedApplication.applicationState != UIApplicationStateActive) {
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// Don't start backups when app is in the background.
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return NO;
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}
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if (![self.tsAccountManager isRegisteredAndReady]) {
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return NO;
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}
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return YES;
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}
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- (BOOL)shouldHaveBackupExport
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{
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if (!self.canBackupExport) {
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return NO;
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}
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if (self.backupExportJob) {
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// If there's already a job in progress, let it complete.
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return YES;
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}
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NSDate *_Nullable lastExportSuccessDate = self.lastExportSuccessDate;
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NSDate *_Nullable lastExportFailureDate = self.lastExportFailureDate;
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// Wait N hours before retrying after a success.
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const NSTimeInterval kRetryAfterSuccess = 24 * kHourInterval;
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if (lastExportSuccessDate && fabs(lastExportSuccessDate.timeIntervalSinceNow) < kRetryAfterSuccess) {
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return NO;
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}
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// Wait N hours before retrying after a failure.
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const NSTimeInterval kRetryAfterFailure = 6 * kHourInterval;
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if (lastExportFailureDate && fabs(lastExportFailureDate.timeIntervalSinceNow) < kRetryAfterFailure) {
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return NO;
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}
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// Don't export backup if there's an import in progress.
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//
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// This conflict shouldn't occur in production since we won't enable backup
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// export until an import is complete, but this could happen in development.
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if (self.backupImportJob) {
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return NO;
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}
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// TODO: There's other conditions that affect this decision,
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// e.g. Reachability, wifi v. cellular, etc.
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return YES;
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}
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- (void)ensureBackupExportState
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{
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OWSAssertIsOnMainThread();
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if (!OWSBackup.isFeatureEnabled) {
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return;
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}
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if (!CurrentAppContext().isMainApp) {
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return;
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}
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if (!self.tsAccountManager.isRegisteredAndReady) {
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OWSLogError(@"Can't backup; not registered and ready.");
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return;
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}
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NSString *_Nullable recipientId = self.tsAccountManager.localNumber;
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if (recipientId.length < 1) {
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OWSFailDebug(@"Can't backup; missing recipientId.");
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return;
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}
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// Start or abort a backup export if neccessary.
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if (!self.shouldHaveBackupExport && self.backupExportJob) {
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[self.backupExportJob cancel];
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self.backupExportJob = nil;
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} else if (self.shouldHaveBackupExport && !self.backupExportJob) {
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self.backupExportJob = [[OWSBackupExportJob alloc] initWithDelegate:self recipientId:recipientId];
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[self.backupExportJob start];
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}
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// Update the state flag.
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OWSBackupState backupExportState = OWSBackupState_Idle;
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if (self.backupExportJob) {
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backupExportState = OWSBackupState_InProgress;
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} else {
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NSDate *_Nullable lastExportSuccessDate = self.lastExportSuccessDate;
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NSDate *_Nullable lastExportFailureDate = self.lastExportFailureDate;
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if (!lastExportSuccessDate && !lastExportFailureDate) {
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backupExportState = OWSBackupState_Idle;
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} else if (lastExportSuccessDate && lastExportFailureDate) {
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backupExportState = ([lastExportSuccessDate isAfterDate:lastExportFailureDate] ? OWSBackupState_Succeeded
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: OWSBackupState_Failed);
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} else if (lastExportSuccessDate) {
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backupExportState = OWSBackupState_Succeeded;
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} else if (lastExportFailureDate) {
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backupExportState = OWSBackupState_Failed;
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} else {
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OWSFailDebug(@"unexpected condition.");
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}
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}
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BOOL stateDidChange = self.backupExportState != backupExportState;
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self.backupExportState = backupExportState;
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if (stateDidChange) {
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[self postDidChangeNotification];
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}
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}
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#pragma mark - Backup Import
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- (void)allRecipientIdsWithManifestsInCloud:(OWSBackupStringListBlock)success failure:(OWSBackupErrorBlock)failure
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{
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OWSAssertIsOnMainThread();
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OWSLogInfo(@"");
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[OWSBackupAPI
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allRecipientIdsWithManifestsInCloudWithSuccess:^(NSArray<NSString *> *recipientIds) {
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dispatch_async(dispatch_get_main_queue(), ^{
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success(recipientIds);
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});
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}
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failure:^(NSError *error) {
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dispatch_async(dispatch_get_main_queue(), ^{
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failure(error);
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});
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}];
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}
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- (AnyPromise *)ensureCloudKitAccess
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{
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OWSAssertIsOnMainThread();
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OWSLogInfo(@"");
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AnyPromise * (^failWithUnexpectedError)(void) = ^{
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NSError *error = [NSError errorWithDomain:OWSBackupErrorDomain
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code:1
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userInfo:@{
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NSLocalizedDescriptionKey : NSLocalizedString(@"BACKUP_UNEXPECTED_ERROR",
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@"Error shown when backup fails due to an unexpected error.")
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}];
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return [AnyPromise promiseWithValue:error];
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};
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if (!self.tsAccountManager.isRegisteredAndReady) {
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OWSLogError(@"Can't backup; not registered and ready.");
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return failWithUnexpectedError();
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}
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NSString *_Nullable recipientId = self.tsAccountManager.localNumber;
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if (recipientId.length < 1) {
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OWSFailDebug(@"Can't backup; missing recipientId.");
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return failWithUnexpectedError();
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}
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return [OWSBackupAPI ensureCloudKitAccessObjc];
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}
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- (void)checkCanImportBackup:(OWSBackupBoolBlock)success failure:(OWSBackupErrorBlock)failure
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{
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OWSAssertIsOnMainThread();
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OWSLogInfo(@"");
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if (!OWSBackup.isFeatureEnabled) {
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dispatch_async(dispatch_get_main_queue(), ^{
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success(NO);
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});
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return;
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}
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void (^failWithUnexpectedError)(void) = ^{
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dispatch_async(dispatch_get_main_queue(), ^{
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NSError *error =
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[NSError errorWithDomain:OWSBackupErrorDomain
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code:1
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userInfo:@{
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NSLocalizedDescriptionKey : NSLocalizedString(@"BACKUP_UNEXPECTED_ERROR",
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@"Error shown when backup fails due to an unexpected error.")
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}];
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failure(error);
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});
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};
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if (!self.tsAccountManager.isRegisteredAndReady) {
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OWSLogError(@"Can't backup; not registered and ready.");
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return failWithUnexpectedError();
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}
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NSString *_Nullable recipientId = self.tsAccountManager.localNumber;
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if (recipientId.length < 1) {
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OWSFailDebug(@"Can't backup; missing recipientId.");
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return failWithUnexpectedError();
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}
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[[OWSBackupAPI ensureCloudKitAccessObjc]
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.thenInBackground(^{
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return [OWSBackupAPI checkForManifestInCloudObjcWithRecipientId:recipientId];
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})
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.then(^(NSNumber *value) {
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success(value.boolValue);
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})
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.catch(^(NSError *error) {
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failure(error);
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}) retainUntilComplete];
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}
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- (void)tryToImportBackup
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{
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OWSAssertIsOnMainThread();
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OWSAssertDebug(!self.backupImportJob);
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if (!self.tsAccountManager.isRegisteredAndReady) {
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OWSLogError(@"Can't restore backup; not registered and ready.");
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return;
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}
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NSString *_Nullable recipientId = self.tsAccountManager.localNumber;
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if (recipientId.length < 1) {
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OWSLogError(@"Can't restore backup; missing recipientId.");
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return;
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}
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// In development, make sure there's no export or import in progress.
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[self.backupExportJob cancel];
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self.backupExportJob = nil;
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[self.backupImportJob cancel];
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self.backupImportJob = nil;
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self.backupImportState = OWSBackupState_InProgress;
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self.backupImportJob = [[OWSBackupImportJob alloc] initWithDelegate:self recipientId:recipientId];
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|
[self.backupImportJob start];
|
|
|
|
[self postDidChangeNotification];
|
|
}
|
|
|
|
- (void)cancelImportBackup
|
|
{
|
|
[self.backupImportJob cancel];
|
|
self.backupImportJob = nil;
|
|
|
|
self.backupImportState = OWSBackupState_Idle;
|
|
|
|
[self postDidChangeNotification];
|
|
}
|
|
|
|
#pragma mark -
|
|
|
|
- (void)applicationDidBecomeActive:(NSNotification *)notification
|
|
{
|
|
OWSAssertIsOnMainThread();
|
|
|
|
[self ensureBackupExportState];
|
|
}
|
|
|
|
- (void)registrationStateDidChange
|
|
{
|
|
OWSAssertIsOnMainThread();
|
|
|
|
[self ensureBackupExportState];
|
|
|
|
[self postDidChangeNotification];
|
|
}
|
|
|
|
- (void)ckAccountChanged
|
|
{
|
|
dispatch_async(dispatch_get_main_queue(), ^{
|
|
[self ensureBackupExportState];
|
|
|
|
[self postDidChangeNotification];
|
|
});
|
|
}
|
|
|
|
#pragma mark - OWSBackupJobDelegate
|
|
|
|
// We use a delegate method to avoid storing this key in memory.
|
|
- (nullable NSData *)backupEncryptionKey
|
|
{
|
|
// TODO: Use actual encryption key.
|
|
return [@"temp" dataUsingEncoding:NSUTF8StringEncoding];
|
|
}
|
|
|
|
- (void)backupJobDidSucceed:(OWSBackupJob *)backupJob
|
|
{
|
|
OWSAssertIsOnMainThread();
|
|
|
|
OWSLogInfo(@".");
|
|
|
|
if (self.backupImportJob == backupJob) {
|
|
self.backupImportJob = nil;
|
|
|
|
self.backupImportState = OWSBackupState_Succeeded;
|
|
} else if (self.backupExportJob == backupJob) {
|
|
self.backupExportJob = nil;
|
|
|
|
[self setLastExportSuccessDate:[NSDate new]];
|
|
|
|
[self ensureBackupExportState];
|
|
} else {
|
|
OWSLogWarn(@"obsolete job succeeded: %@", [backupJob class]);
|
|
return;
|
|
}
|
|
|
|
[self postDidChangeNotification];
|
|
}
|
|
|
|
- (void)backupJobDidFail:(OWSBackupJob *)backupJob error:(NSError *)error
|
|
{
|
|
OWSAssertIsOnMainThread();
|
|
|
|
OWSLogInfo(@": %@", error);
|
|
|
|
if (self.backupImportJob == backupJob) {
|
|
self.backupImportJob = nil;
|
|
|
|
self.backupImportState = OWSBackupState_Failed;
|
|
} else if (self.backupExportJob == backupJob) {
|
|
self.backupExportJob = nil;
|
|
|
|
[self setLastExportFailureDate:[NSDate new]];
|
|
|
|
[self ensureBackupExportState];
|
|
} else {
|
|
OWSLogInfo(@"obsolete backup job failed.");
|
|
return;
|
|
}
|
|
|
|
[self postDidChangeNotification];
|
|
}
|
|
|
|
- (void)backupJobDidUpdate:(OWSBackupJob *)backupJob
|
|
description:(nullable NSString *)description
|
|
progress:(nullable NSNumber *)progress
|
|
{
|
|
OWSAssertIsOnMainThread();
|
|
|
|
OWSLogInfo(@"");
|
|
|
|
// TODO: Should we consolidate this state?
|
|
BOOL didChange;
|
|
if (self.backupImportJob == backupJob) {
|
|
didChange = !([NSObject isNullableObject:self.backupImportDescription equalTo:description] &&
|
|
[NSObject isNullableObject:self.backupImportProgress equalTo:progress]);
|
|
|
|
self.backupImportDescription = description;
|
|
self.backupImportProgress = progress;
|
|
} else if (self.backupExportJob == backupJob) {
|
|
didChange = !([NSObject isNullableObject:self.backupExportDescription equalTo:description] &&
|
|
[NSObject isNullableObject:self.backupExportProgress equalTo:progress]);
|
|
|
|
self.backupExportDescription = description;
|
|
self.backupExportProgress = progress;
|
|
} else {
|
|
return;
|
|
}
|
|
|
|
if (didChange) {
|
|
[self postDidChangeNotification];
|
|
}
|
|
}
|
|
|
|
- (void)logBackupRecords
|
|
{
|
|
OWSAssertIsOnMainThread();
|
|
|
|
OWSLogInfo(@"");
|
|
|
|
if (!self.tsAccountManager.isRegisteredAndReady) {
|
|
OWSLogError(@"Can't interact with backup; not registered and ready.");
|
|
return;
|
|
}
|
|
NSString *_Nullable recipientId = self.tsAccountManager.localNumber;
|
|
if (recipientId.length < 1) {
|
|
OWSLogError(@"Can't interact with backup; missing recipientId.");
|
|
return;
|
|
}
|
|
|
|
[OWSBackupAPI fetchAllRecordNamesWithRecipientId:recipientId
|
|
success:^(NSArray<NSString *> *recordNames) {
|
|
for (NSString *recordName in [recordNames sortedArrayUsingSelector:@selector(compare:)]) {
|
|
OWSLogInfo(@"\t %@", recordName);
|
|
}
|
|
OWSLogInfo(@"record count: %zd", recordNames.count);
|
|
}
|
|
failure:^(NSError *error) {
|
|
OWSLogError(@"Failed to retrieve backup records: %@", error);
|
|
}];
|
|
}
|
|
|
|
- (void)clearAllCloudKitRecords
|
|
{
|
|
OWSAssertIsOnMainThread();
|
|
|
|
OWSLogInfo(@"");
|
|
|
|
if (!self.tsAccountManager.isRegisteredAndReady) {
|
|
OWSLogError(@"Can't interact with backup; not registered and ready.");
|
|
return;
|
|
}
|
|
NSString *_Nullable recipientId = self.tsAccountManager.localNumber;
|
|
if (recipientId.length < 1) {
|
|
OWSLogError(@"Can't interact with backup; missing recipientId.");
|
|
return;
|
|
}
|
|
|
|
[OWSBackupAPI fetchAllRecordNamesWithRecipientId:recipientId
|
|
success:^(NSArray<NSString *> *recordNames) {
|
|
if (recordNames.count < 1) {
|
|
OWSLogInfo(@"No CloudKit records found to clear.");
|
|
return;
|
|
}
|
|
[OWSBackupAPI deleteRecordsFromCloudWithRecordNames:recordNames
|
|
success:^{
|
|
OWSLogInfo(@"Clear all CloudKit records succeeded.");
|
|
}
|
|
failure:^(NSError *error) {
|
|
OWSLogError(@"Clear all CloudKit records failed: %@.", error);
|
|
}];
|
|
}
|
|
failure:^(NSError *error) {
|
|
OWSLogError(@"Failed to retrieve CloudKit records: %@", error);
|
|
}];
|
|
}
|
|
|
|
#pragma mark - Lazy Restore
|
|
|
|
- (NSArray<NSString *> *)attachmentRecordNamesForLazyRestore
|
|
{
|
|
NSMutableArray<NSString *> *recordNames = [NSMutableArray new];
|
|
[self.dbConnection readWithBlock:^(YapDatabaseReadTransaction *transaction) {
|
|
id ext = [transaction ext:TSLazyRestoreAttachmentsDatabaseViewExtensionName];
|
|
if (!ext) {
|
|
OWSFailDebug(@"Could not load database view.");
|
|
return;
|
|
}
|
|
|
|
[ext enumerateKeysAndObjectsInGroup:TSLazyRestoreAttachmentsGroup
|
|
usingBlock:^(
|
|
NSString *collection, NSString *key, id object, NSUInteger index, BOOL *stop) {
|
|
if (![object isKindOfClass:[TSAttachmentPointer class]]) {
|
|
OWSFailDebug(
|
|
@"Unexpected object: %@ in collection:%@", [object class], collection);
|
|
return;
|
|
}
|
|
TSAttachmentPointer *attachmentPointer = object;
|
|
if (!attachmentPointer.lazyRestoreFragment) {
|
|
OWSFailDebug(
|
|
@"Invalid object: %@ in collection:%@", [object class], collection);
|
|
return;
|
|
}
|
|
[recordNames addObject:attachmentPointer.lazyRestoreFragment.recordName];
|
|
}];
|
|
}];
|
|
return recordNames;
|
|
}
|
|
|
|
- (NSArray<NSString *> *)attachmentIdsForLazyRestore
|
|
{
|
|
NSMutableArray<NSString *> *attachmentIds = [NSMutableArray new];
|
|
[self.dbConnection readWithBlock:^(YapDatabaseReadTransaction *transaction) {
|
|
id ext = [transaction ext:TSLazyRestoreAttachmentsDatabaseViewExtensionName];
|
|
if (!ext) {
|
|
OWSFailDebug(@"Could not load database view.");
|
|
return;
|
|
}
|
|
|
|
[ext enumerateKeysInGroup:TSLazyRestoreAttachmentsGroup
|
|
usingBlock:^(NSString *collection, NSString *key, NSUInteger index, BOOL *stop) {
|
|
[attachmentIds addObject:key];
|
|
}];
|
|
}];
|
|
return attachmentIds;
|
|
}
|
|
|
|
- (AnyPromise *)lazyRestoreAttachment:(TSAttachmentPointer *)attachment backupIO:(OWSBackupIO *)backupIO
|
|
{
|
|
OWSAssertDebug(attachment);
|
|
OWSAssertDebug(backupIO);
|
|
|
|
OWSBackupFragment *_Nullable lazyRestoreFragment = attachment.lazyRestoreFragment;
|
|
if (!lazyRestoreFragment) {
|
|
OWSLogError(@"Attachment missing lazy restore metadata.");
|
|
return
|
|
[AnyPromise promiseWithValue:OWSBackupErrorWithDescription(@"Attachment missing lazy restore metadata.")];
|
|
}
|
|
if (lazyRestoreFragment.recordName.length < 1 || lazyRestoreFragment.encryptionKey.length < 1) {
|
|
OWSLogError(@"Incomplete lazy restore metadata.");
|
|
return [AnyPromise promiseWithValue:OWSBackupErrorWithDescription(@"Incomplete lazy restore metadata.")];
|
|
}
|
|
|
|
// Use a predictable file path so that multiple "import backup" attempts
|
|
// will leverage successful file downloads from previous attempts.
|
|
//
|
|
// TODO: This will also require imports using a predictable jobTempDirPath.
|
|
NSString *tempFilePath = [backupIO generateTempFilePath];
|
|
|
|
return [OWSBackupAPI downloadFileFromCloudObjcWithRecordName:lazyRestoreFragment.recordName
|
|
toFileUrl:[NSURL fileURLWithPath:tempFilePath]]
|
|
.thenInBackground(^{
|
|
return [self lazyRestoreAttachment:attachment
|
|
backupIO:backupIO
|
|
encryptedFilePath:tempFilePath
|
|
encryptionKey:lazyRestoreFragment.encryptionKey];
|
|
});
|
|
}
|
|
|
|
- (AnyPromise *)lazyRestoreAttachment:(TSAttachmentPointer *)attachmentPointer
|
|
backupIO:(OWSBackupIO *)backupIO
|
|
encryptedFilePath:(NSString *)encryptedFilePath
|
|
encryptionKey:(NSData *)encryptionKey
|
|
{
|
|
OWSAssertDebug(attachmentPointer);
|
|
OWSAssertDebug(backupIO);
|
|
OWSAssertDebug(encryptedFilePath.length > 0);
|
|
OWSAssertDebug(encryptionKey.length > 0);
|
|
|
|
NSData *_Nullable data = [NSData dataWithContentsOfFile:encryptedFilePath];
|
|
if (!data) {
|
|
OWSLogError(@"Could not load encrypted file.");
|
|
return [AnyPromise promiseWithValue:OWSBackupErrorWithDescription(@"Could not load encrypted file.")];
|
|
}
|
|
|
|
NSString *decryptedFilePath = [backupIO generateTempFilePath];
|
|
|
|
@autoreleasepool {
|
|
if (![backupIO decryptFileAsFile:encryptedFilePath dstFilePath:decryptedFilePath encryptionKey:encryptionKey]) {
|
|
OWSLogError(@"Could not load decrypt file.");
|
|
return [AnyPromise promiseWithValue:OWSBackupErrorWithDescription(@"Could not load decrypt file.")];
|
|
}
|
|
}
|
|
|
|
TSAttachmentStream *stream = [[TSAttachmentStream alloc] initWithPointer:attachmentPointer];
|
|
|
|
NSString *attachmentFilePath = stream.originalFilePath;
|
|
if (attachmentFilePath.length < 1) {
|
|
OWSLogError(@"Attachment has invalid file path.");
|
|
return [AnyPromise promiseWithValue:OWSBackupErrorWithDescription(@"Attachment has invalid file path.")];
|
|
}
|
|
|
|
NSString *attachmentDirPath = [attachmentFilePath stringByDeletingLastPathComponent];
|
|
if (![OWSFileSystem ensureDirectoryExists:attachmentDirPath]) {
|
|
OWSLogError(@"Couldn't create directory for attachment file.");
|
|
return [AnyPromise
|
|
promiseWithValue:OWSBackupErrorWithDescription(@"Couldn't create directory for attachment file.")];
|
|
}
|
|
|
|
if (![OWSFileSystem deleteFileIfExists:attachmentFilePath]) {
|
|
OWSFailDebug(@"Couldn't delete existing file at attachment path.");
|
|
return [AnyPromise
|
|
promiseWithValue:OWSBackupErrorWithDescription(@"Couldn't delete existing file at attachment path.")];
|
|
}
|
|
|
|
NSError *error;
|
|
BOOL success =
|
|
[NSFileManager.defaultManager moveItemAtPath:decryptedFilePath toPath:attachmentFilePath error:&error];
|
|
if (!success || error) {
|
|
OWSLogError(@"Attachment file could not be restored: %@.", error);
|
|
return [AnyPromise promiseWithValue:error];
|
|
}
|
|
|
|
[LKStorage writeSyncWithBlock:^(YapDatabaseReadWriteTransaction *transaction) {
|
|
// This should overwrite the attachment pointer with an attachment stream.
|
|
[stream saveWithTransaction:transaction];
|
|
}];
|
|
|
|
return [AnyPromise promiseWithValue:@(1)];
|
|
}
|
|
|
|
- (void)logBackupMetadataCache:(YapDatabaseConnection *)dbConnection
|
|
{
|
|
OWSLogInfo(@"");
|
|
|
|
[dbConnection readWithBlock:^(YapDatabaseReadTransaction *transaction) {
|
|
[transaction enumerateKeysAndObjectsInCollection:[OWSBackupFragment collection]
|
|
usingBlock:^(NSString *key, OWSBackupFragment *fragment, BOOL *stop) {
|
|
OWSLogVerbose(@"fragment: %@, %@, %lu, %@, %@, %@, %@",
|
|
key,
|
|
fragment.recordName,
|
|
(unsigned long)fragment.encryptionKey.length,
|
|
fragment.relativeFilePath,
|
|
fragment.attachmentId,
|
|
fragment.downloadFilePath,
|
|
fragment.uncompressedDataLength);
|
|
}];
|
|
OWSLogVerbose(@"Number of fragments: %lu",
|
|
(unsigned long)[transaction numberOfKeysInCollection:[OWSBackupFragment collection]]);
|
|
}];
|
|
}
|
|
|
|
#pragma mark - Notifications
|
|
|
|
- (void)postDidChangeNotification
|
|
{
|
|
OWSAssertIsOnMainThread();
|
|
|
|
[[NSNotificationCenter defaultCenter] postNotificationNameAsync:NSNotificationNameBackupStateDidChange
|
|
object:nil
|
|
userInfo:nil];
|
|
}
|
|
|
|
@end
|
|
|
|
NS_ASSUME_NONNULL_END
|