Signal-iOS/SignalServiceKit/src/Contacts/SignalRecipient.m
Michael Kirk fd93102952 regen
2019-10-14 18:23:35 -06:00

387 lines
13 KiB
Objective-C

//
// Copyright (c) 2019 Open Whisper Systems. All rights reserved.
//
#import "SignalRecipient.h"
#import "OWSDevice.h"
#import "ProfileManagerProtocol.h"
#import "SSKEnvironment.h"
#import "TSAccountManager.h"
#import "TSSocketManager.h"
#import <SignalServiceKit/SignalServiceKit-Swift.h>
NS_ASSUME_NONNULL_BEGIN
const NSUInteger SignalRecipientSchemaVersion = 1;
@interface SignalRecipient ()
@property (nonatomic) NSOrderedSet<NSNumber *> *devices;
@property (nonatomic) NSUInteger recipientSchemaVersion;
@end
#pragma mark -
@implementation SignalRecipient
#pragma mark - Dependencies
- (id<ProfileManagerProtocol>)profileManager
{
return SSKEnvironment.shared.profileManager;
}
- (id<OWSUDManager>)udManager
{
return SSKEnvironment.shared.udManager;
}
- (TSAccountManager *)tsAccountManager
{
OWSAssertDebug(SSKEnvironment.shared.tsAccountManager);
return SSKEnvironment.shared.tsAccountManager;
}
- (TSSocketManager *)socketManager
{
OWSAssertDebug(SSKEnvironment.shared.socketManager);
return SSKEnvironment.shared.socketManager;
}
+ (id<StorageServiceManagerProtocol>)storageServiceManager
{
return SSKEnvironment.shared.storageServiceManager;
}
#pragma mark -
+ (instancetype)getOrBuildUnsavedRecipientForAddress:(SignalServiceAddress *)address
transaction:(SDSAnyReadTransaction *)transaction
{
OWSAssertDebug(transaction);
OWSAssertDebug(address.isValid);
SignalRecipient *_Nullable recipient = [self registeredRecipientForAddress:address
mustHaveDevices:NO
transaction:transaction];
if (!recipient) {
recipient = [[self alloc] initWithAddress:address];
}
return recipient;
}
- (instancetype)initWithAddress:(SignalServiceAddress *)address
{
self = [super init];
if (!self) {
return self;
}
_recipientUUID = address.uuidString;
_recipientPhoneNumber = address.phoneNumber;
_recipientSchemaVersion = SignalRecipientSchemaVersion;
_devices = [NSOrderedSet orderedSetWithObject:@(OWSDevicePrimaryDeviceId)];
return self;
}
- (nullable instancetype)initWithCoder:(NSCoder *)coder
{
self = [super initWithCoder:coder];
if (!self) {
return self;
}
if (_devices == nil) {
_devices = [NSOrderedSet new];
}
// Migrating from an everyone has a phone number world to a
// world in which we have UUIDs
if (_recipientSchemaVersion < 1) {
// Copy uniqueId to recipientPhoneNumber
_recipientPhoneNumber = [coder decodeObjectForKey:@"uniqueId"];
OWSAssert(_recipientPhoneNumber != nil);
}
// Since we use device count to determine whether a user is registered or not,
// ensure the local user always has at least *this* device.
if (![_devices containsObject:@(OWSDevicePrimaryDeviceId)]) {
if (self.address.isLocalAddress) {
DDLogInfo(@"Adding primary device to self recipient.");
[self addDevices:[NSSet setWithObject:@(OWSDevicePrimaryDeviceId)]];
}
}
_recipientSchemaVersion = SignalRecipientSchemaVersion;
return self;
}
// --- CODE GENERATION MARKER
// This snippet is generated by /Scripts/sds_codegen/sds_generate.py. Do not manually edit it, instead run
// `sds_codegen.sh`.
// clang-format off
- (instancetype)initWithGrdbId:(int64_t)grdbId
uniqueId:(NSString *)uniqueId
devices:(NSOrderedSet<NSNumber *> *)devices
recipientPhoneNumber:(nullable NSString *)recipientPhoneNumber
recipientUUID:(nullable NSString *)recipientUUID
{
self = [super initWithGrdbId:grdbId
uniqueId:uniqueId];
if (!self) {
return self;
}
_devices = devices;
_recipientPhoneNumber = recipientPhoneNumber;
_recipientUUID = recipientUUID;
return self;
}
// clang-format on
// --- CODE GENERATION MARKER
+ (AnySignalRecipientFinder *)recipientFinder
{
return [AnySignalRecipientFinder new];
}
+ (nullable instancetype)registeredRecipientForAddress:(SignalServiceAddress *)address
mustHaveDevices:(BOOL)mustHaveDevices
transaction:(SDSAnyReadTransaction *)transaction
{
OWSAssertDebug(transaction);
OWSAssertDebug(address.isValid);
SignalRecipient *_Nullable signalRecipient = [self.recipientFinder signalRecipientForAddress:address
transaction:transaction];
if (mustHaveDevices && signalRecipient.devices.count < 1) {
return nil;
}
return signalRecipient;
}
#pragma mark -
- (void)addDevices:(NSSet<NSNumber *> *)devices
{
OWSAssertDebug(devices.count > 0);
NSMutableOrderedSet<NSNumber *> *updatedDevices = [self.devices mutableCopy];
[updatedDevices unionSet:devices];
self.devices = [updatedDevices copy];
}
- (void)removeDevices:(NSSet<NSNumber *> *)devices
{
OWSAssertDebug(devices.count > 0);
NSMutableOrderedSet<NSNumber *> *updatedDevices = [self.devices mutableCopy];
[updatedDevices minusSet:devices];
self.devices = [updatedDevices copy];
}
- (void)updateRegisteredRecipientWithDevicesToAdd:(nullable NSArray<NSNumber *> *)devicesToAdd
devicesToRemove:(nullable NSArray<NSNumber *> *)devicesToRemove
transaction:(SDSAnyWriteTransaction *)transaction
{
OWSAssertDebug(transaction);
OWSAssertDebug(devicesToAdd.count > 0 || devicesToRemove.count > 0);
// Add before we remove, since removeDevicesFromRecipient:...
// can markRecipientAsUnregistered:... if the recipient has
// no devices left.
if (devicesToAdd.count > 0) {
[self addDevicesToRegisteredRecipient:[NSSet setWithArray:devicesToAdd] transaction:transaction];
}
if (devicesToRemove.count > 0) {
[self removeDevicesFromRecipient:[NSSet setWithArray:devicesToRemove] transaction:transaction];
}
// Device changes
dispatch_async(dispatch_get_main_queue(), ^{
// Device changes can affect the UD access mode for a recipient,
// so we need to fetch the profile for this user to update UD access mode.
[self.profileManager fetchProfileForAddress:self.address];
if (self.address.isLocalAddress) {
[self.socketManager cycleSocket];
}
});
}
- (void)addDevicesToRegisteredRecipient:(NSSet<NSNumber *> *)devices transaction:(SDSAnyWriteTransaction *)transaction
{
OWSAssertDebug(transaction);
OWSAssertDebug(devices.count > 0);
OWSLogDebug(@"adding devices: %@, to recipient: %@", devices, self);
[self anyReloadWithTransaction:transaction];
[self anyUpdateWithTransaction:transaction
block:^(SignalRecipient *signalRecipient) {
[signalRecipient addDevices:devices];
}];
}
- (void)removeDevicesFromRecipient:(NSSet<NSNumber *> *)devices transaction:(SDSAnyWriteTransaction *)transaction
{
OWSAssertDebug(transaction);
OWSAssertDebug(devices.count > 0);
OWSLogDebug(@"removing devices: %@, from registered recipient: %@", devices, self);
[self anyReloadWithTransaction:transaction ignoreMissing:YES];
[self anyUpdateWithTransaction:transaction
block:^(SignalRecipient *signalRecipient) {
[signalRecipient removeDevices:devices];
}];
}
#pragma mark -
- (SignalServiceAddress *)address
{
return [[SignalServiceAddress alloc] initWithUuidString:self.recipientUUID phoneNumber:self.recipientPhoneNumber];
}
#pragma mark -
- (NSComparisonResult)compare:(SignalRecipient *)other
{
return [self.address compare:other.address];
}
- (void)anyWillInsertWithTransaction:(SDSAnyWriteTransaction *)transaction
{
[super anyWillInsertWithTransaction:transaction];
OWSLogVerbose(@"Inserted signal recipient: %@ (%lu)", self.address, (unsigned long)self.devices.count);
}
- (void)anyWillUpdateWithTransaction:(SDSAnyWriteTransaction *)transaction
{
[super anyWillUpdateWithTransaction:transaction];
OWSLogVerbose(@"Updated signal recipient: %@ (%lu)", self.address, (unsigned long)self.devices.count);
}
+ (BOOL)isRegisteredRecipient:(SignalServiceAddress *)address transaction:(SDSAnyReadTransaction *)transaction
{
OWSAssertDebug(transaction);
OWSAssertDebug(address.isValid);
return nil != [self registeredRecipientForAddress:address mustHaveDevices:YES transaction:transaction];
}
+ (SignalRecipient *)markRecipientAsRegisteredAndGet:(SignalServiceAddress *)address
transaction:(SDSAnyWriteTransaction *)transaction
{
OWSAssertDebug(address.isValid);
OWSAssertDebug(transaction);
SignalRecipient *_Nullable existingInstance = [self registeredRecipientForAddress:address
mustHaveDevices:YES
transaction:transaction];
if (existingInstance == nil) {
OWSLogDebug(@"creating recipient: %@", address);
SignalRecipient *newInstance = [[self alloc] initWithAddress:address];
[newInstance anyInsertWithTransaction:transaction];
// Record with the new contact in the social graph
[self.storageServiceManager recordPendingUpdatesWithUpdatedIds:@[ newInstance.accountId ]];
return newInstance;
}
BOOL hasChanged = NO;
// If we've learned a users UUID, record it.
if (existingInstance.recipientUUID == nil && address.uuid != nil) {
hasChanged = YES;
[existingInstance anyUpdateWithTransaction:transaction
block:^(SignalRecipient *latestCopy) {
latestCopy.recipientUUID = address.uuidString;
}];
}
// If we've learned a users phone number, record it.
if (existingInstance.recipientPhoneNumber == nil && address.phoneNumber != nil) {
hasChanged = YES;
OWSFailDebug(@"unexpectedly learned about a users phone number");
[existingInstance anyUpdateWithTransaction:transaction
block:^(SignalRecipient *latestCopy) {
latestCopy.recipientPhoneNumber = address.phoneNumber;
}];
}
// Record the updated contact in the social graph
if (hasChanged) {
[self.storageServiceManager recordPendingUpdatesWithUpdatedIds:@[ existingInstance.accountId ]];
}
return existingInstance;
}
+ (void)markRecipientAsRegistered:(SignalServiceAddress *)address
deviceId:(UInt32)deviceId
transaction:(SDSAnyWriteTransaction *)transaction
{
OWSAssertDebug(address.isValid);
OWSAssertDebug(deviceId > 0);
OWSAssertDebug(transaction);
SignalRecipient *recipient = [self markRecipientAsRegisteredAndGet:address transaction:transaction];
if (![recipient.devices containsObject:@(deviceId)]) {
OWSLogDebug(@"Adding device %u to existing recipient.", (unsigned int)deviceId);
[recipient anyReloadWithTransaction:transaction];
[recipient anyUpdateWithTransaction:transaction
block:^(SignalRecipient *signalRecipient) {
[signalRecipient addDevices:[NSSet setWithObject:@(deviceId)]];
}];
}
}
+ (void)markRecipientAsUnregistered:(SignalServiceAddress *)address transaction:(SDSAnyWriteTransaction *)transaction
{
OWSAssertDebug(address.isValid);
OWSAssertDebug(transaction);
SignalRecipient *recipient = [self getOrBuildUnsavedRecipientForAddress:address transaction:transaction];
OWSLogDebug(@"Marking recipient as not registered: %@", address);
if (recipient.devices.count > 0) {
if ([SignalRecipient anyFetchWithUniqueId:recipient.uniqueId transaction:transaction] == nil) {
[recipient removeDevices:recipient.devices.set];
[recipient anyInsertWithTransaction:transaction];
} else {
[recipient anyUpdateWithTransaction:transaction
block:^(SignalRecipient *signalRecipient) {
signalRecipient.devices = [NSOrderedSet new];
}];
}
// Remove the contact from our social graph
[self.storageServiceManager recordPendingDeletionsWithDeletedIds:@[ recipient.accountId ]];
}
}
@end
NS_ASSUME_NONNULL_END