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

87 lines
2.8 KiB
Objective-C

//
// Copyright (c) 2017 Open Whisper Systems. All rights reserved.
//
#import "OWSSyncContactsMessage.h"
#import "Contact.h"
#import "ContactsManagerProtocol.h"
#import "NSDate+millisecondTimeStamp.h"
#import "OWSContactsOutputStream.h"
#import "OWSSignalServiceProtos.pb.h"
#import "OWSIdentityManager.h"
#import "SignalAccount.h"
#import "TSAttachment.h"
#import "TSAttachmentStream.h"
NS_ASSUME_NONNULL_BEGIN
@interface OWSSyncContactsMessage ()
@property (nonatomic, readonly) id<ContactsManagerProtocol> contactsManager;
@property (nonatomic, readonly) OWSIdentityManager *identityManager;
@end
@implementation OWSSyncContactsMessage
- (instancetype)initWithContactsManager:(id<ContactsManagerProtocol>)contactsManager
identityManager:(OWSIdentityManager *)identityManager
{
self = [super initWithTimestamp:[NSDate ows_millisecondTimeStamp]];
if (!self) {
return self;
}
_contactsManager = contactsManager;
_identityManager = identityManager;
return self;
}
- (OWSSignalServiceProtosSyncMessageBuilder *)syncMessageBuilder
{
if (self.attachmentIds.count != 1) {
DDLogError(@"expected sync contact message to have exactly one attachment, but found %lu",
(unsigned long)self.attachmentIds.count);
}
OWSSignalServiceProtosAttachmentPointer *attachmentProto =
[self buildAttachmentProtoForAttachmentId:self.attachmentIds[0] filename:nil];
OWSSignalServiceProtosSyncMessageContactsBuilder *contactsBuilder =
[OWSSignalServiceProtosSyncMessageContactsBuilder new];
[contactsBuilder setBlob:attachmentProto];
[contactsBuilder setIsComplete:YES];
OWSSignalServiceProtosSyncMessageBuilder *syncMessageBuilder = [OWSSignalServiceProtosSyncMessageBuilder new];
[syncMessageBuilder setContactsBuilder:contactsBuilder];
return syncMessageBuilder;
}
- (NSData *)buildPlainTextAttachmentData
{
// 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 streamWithOutputStream:dataOutputStream];
for (SignalAccount *signalAccount in self.contactsManager.signalAccounts) {
OWSRecipientIdentity *recipientIdentity = [self.identityManager recipientIdentityForRecipientId:signalAccount.recipientId];
[contactsOutputStream writeSignalAccount:signalAccount recipientIdentity:recipientIdentity];
}
[contactsOutputStream flush];
[dataOutputStream close];
return [dataOutputStream propertyForKey:NSStreamDataWrittenToMemoryStreamKey];
}
@end
NS_ASSUME_NONNULL_END