session-ios/SignalServiceKit/src/Messages/DeviceSyncing/OWSSyncContactsMessage.m

132 lines
4.8 KiB
Objective-C

//
// Copyright (c) 2018 Open Whisper Systems. All rights reserved.
//
#import "OWSSyncContactsMessage.h"
#import "Contact.h"
#import "ContactsManagerProtocol.h"
#import "OWSContactsOutputStream.h"
#import "OWSIdentityManager.h"
#import "ProfileManagerProtocol.h"
#import "SSKEnvironment.h"
#import "SignalAccount.h"
#import "TSAttachment.h"
#import "TSAttachmentStream.h"
#import "TSContactThread.h"
#import <SignalCoreKit/NSDate+OWS.h>
#import <SignalServiceKit/SignalServiceKit-Swift.h>
NS_ASSUME_NONNULL_BEGIN
@interface OWSSyncContactsMessage ()
@property (nonatomic, readonly) NSArray<SignalAccount *> *signalAccounts;
@property (nonatomic, readonly) OWSIdentityManager *identityManager;
@property (nonatomic, readonly) id<ProfileManagerProtocol> profileManager;
@end
@implementation OWSSyncContactsMessage
- (instancetype)initWithSignalAccounts:(NSArray<SignalAccount *> *)signalAccounts
identityManager:(OWSIdentityManager *)identityManager
profileManager:(id<ProfileManagerProtocol>)profileManager
{
self = [super init];
if (!self) {
return self;
}
_signalAccounts = signalAccounts;
_identityManager = identityManager;
_profileManager = profileManager;
return self;
}
- (nullable instancetype)initWithCoder:(NSCoder *)coder
{
return [super initWithCoder:coder];
}
- (nullable SSKProtoSyncMessageBuilder *)syncMessageBuilder
{
if (self.attachmentIds.count != 1) {
OWSLogError(@"expected sync contact message to have exactly one attachment, but found %lu",
(unsigned long)self.attachmentIds.count);
}
SSKProtoAttachmentPointer *_Nullable attachmentProto =
[TSAttachmentStream buildProtoForAttachmentId:self.attachmentIds.firstObject];
if (!attachmentProto) {
OWSFailDebug(@"could not build protobuf.");
return nil;
}
SSKProtoSyncMessageContactsBuilder *contactsBuilder =
[SSKProtoSyncMessageContactsBuilder new];
[contactsBuilder setBlob:attachmentProto];
[contactsBuilder setIsComplete:YES];
NSError *error;
SSKProtoSyncMessageContacts *_Nullable contactsProto = [contactsBuilder buildAndReturnError:&error];
if (error || !contactsProto) {
OWSFailDebug(@"could not build protobuf: %@", error);
return nil;
}
SSKProtoSyncMessageBuilder *syncMessageBuilder = [SSKProtoSyncMessageBuilder new];
[syncMessageBuilder setContacts:contactsProto];
return syncMessageBuilder;
}
- (nullable NSData *)buildPlainTextAttachmentDataWithTransaction:(YapDatabaseReadTransaction *)transaction
{
id<ContactsManagerProtocol> contactsManager = SSKEnvironment.shared.contactsManager;
// TODO use temp file stream to avoid loading everything into memory at once
// First though, we need to re-engineer our attachment process to accept streams (encrypting with stream,
// and uploading with streams).
NSOutputStream *dataOutputStream = [NSOutputStream outputStreamToMemory];
[dataOutputStream open];
OWSContactsOutputStream *contactsOutputStream =
[[OWSContactsOutputStream alloc] initWithOutputStream:dataOutputStream];
for (SignalAccount *signalAccount in self.signalAccounts) {
OWSRecipientIdentity *_Nullable recipientIdentity =
[self.identityManager recipientIdentityForRecipientId:signalAccount.recipientId];
NSData *_Nullable profileKeyData = [self.profileManager profileKeyDataForRecipientId:signalAccount.recipientId];
OWSDisappearingMessagesConfiguration *_Nullable disappearingMessagesConfiguration;
NSString *conversationColorName;
TSContactThread *_Nullable contactThread = [TSContactThread getThreadWithContactId:signalAccount.recipientId transaction:transaction];
if (contactThread) {
conversationColorName = contactThread.conversationColorName;
disappearingMessagesConfiguration = [contactThread disappearingMessagesConfigurationWithTransaction:transaction];
} else {
conversationColorName = [TSThread stableConversationColorNameForString:signalAccount.recipientId];
}
[contactsOutputStream writeSignalAccount:signalAccount
recipientIdentity:recipientIdentity
profileKeyData:profileKeyData
contactsManager:contactsManager
conversationColorName:conversationColorName
disappearingMessagesConfiguration:disappearingMessagesConfiguration];
}
[dataOutputStream close];
if (contactsOutputStream.hasError) {
OWSFailDebug(@"Could not write contacts sync stream.");
return nil;
}
return [dataOutputStream propertyForKey:NSStreamDataWrittenToMemoryStreamKey];
}
@end
NS_ASSUME_NONNULL_END