Signal-iOS/SignalServiceKit/src/Messages/DeviceSyncing/OWSIncomingSentMessageTranscript.m
2021-10-21 09:21:10 -03:00

265 lines
11 KiB
Objective-C

//
// Copyright (c) 2021 Open Whisper Systems. All rights reserved.
//
#import "OWSIncomingSentMessageTranscript.h"
#import "OWSContact.h"
#import "OWSMessageManager.h"
#import "TSContactThread.h"
#import "TSGroupModel.h"
#import "TSGroupThread.h"
#import "TSOutgoingMessage.h"
#import "TSQuotedMessage.h"
#import "TSThread.h"
#import <SignalServiceKit/SignalServiceKit-Swift.h>
NS_ASSUME_NONNULL_BEGIN
@interface OWSIncomingSentMessageTranscript ()
@property (nonatomic, readonly) SSKProtoDataMessage *dataMessage;
@end
#pragma mark -
@implementation OWSIncomingSentMessageTranscript
- (nullable instancetype)initWithProto:(SSKProtoSyncMessageSent *)sentProto
serverTimestamp:(uint64_t)serverTimestamp
transaction:(SDSAnyWriteTransaction *)transaction
{
self = [super init];
if (!self) {
return self;
}
if (sentProto.message == nil) {
OWSFailDebug(@"Missing message.");
return nil;
}
_dataMessage = sentProto.message;
if (sentProto.timestamp < 1) {
OWSFailDebug(@"Sent missing timestamp.");
return nil;
}
_timestamp = sentProto.timestamp;
_serverTimestamp = serverTimestamp;
_expirationStartedAt = sentProto.expirationStartTimestamp;
_expirationDuration = _dataMessage.expireTimer;
_body = _dataMessage.body;
if (_dataMessage.bodyRanges.count > 0) {
_bodyRanges = [[MessageBodyRanges alloc] initWithProtos:_dataMessage.bodyRanges];
}
_dataMessageTimestamp = _dataMessage.timestamp;
_disappearingMessageToken = [DisappearingMessageToken tokenForProtoExpireTimer:_dataMessage.expireTimer];
SSKProtoGroupContext *_Nullable groupContextV1 = _dataMessage.group;
SSKProtoGroupContextV2 *_Nullable groupContextV2 = _dataMessage.groupV2;
if (groupContextV1 != nil) {
if (groupContextV2 != nil) {
OWSFailDebug(@"Transcript has both v1 and v2 group contexts.");
return nil;
}
_groupId = groupContextV1.id;
if (_groupId.length < 1) {
OWSFailDebug(@"Missing groupId.");
return nil;
}
if (![GroupManager isValidGroupId:_groupId groupsVersion:GroupsVersionV1]) {
OWSFailDebug(@"Invalid groupId.");
return nil;
}
_isGroupUpdate = (groupContextV1.hasType && groupContextV1.unwrappedType == SSKProtoGroupContextTypeUpdate);
} else if (groupContextV2 != nil) {
NSData *_Nullable masterKey = groupContextV2.masterKey;
if (masterKey.length < 1) {
OWSFailDebug(@"Missing masterKey.");
return nil;
}
NSError *_Nullable error;
GroupV2ContextInfo *_Nullable contextInfo = [self.groupsV2 groupV2ContextInfoForMasterKeyData:masterKey
error:&error];
if (error != nil || contextInfo == nil) {
OWSFailDebug(@"Couldn't parse contextInfo: %@.", error);
return nil;
}
_groupId = contextInfo.groupId;
if (_groupId.length < 1) {
OWSFailDebug(@"Missing groupId.");
return nil;
}
if (![GroupManager isValidGroupId:_groupId groupsVersion:GroupsVersionV2]) {
OWSFailDebug(@"Invalid groupId.");
return nil;
}
} else {
if (sentProto.destinationAddress == nil) {
OWSFailDebug(@"Missing destinationAddress.");
return nil;
}
_recipientAddress = sentProto.destinationAddress;
}
if (_groupId != nil) {
[TSGroupThread ensureGroupIdMappingForGroupId:_groupId transaction:transaction];
}
if (_dataMessage.hasFlags) {
uint32_t flags = _dataMessage.flags;
_isExpirationTimerUpdate = (flags & SSKProtoDataMessageFlagsExpirationTimerUpdate) != 0;
_isEndSessionMessage = (flags & SSKProtoDataMessageFlagsEndSession) != 0;
}
_isRecipientUpdate = sentProto.hasIsRecipientUpdate && sentProto.isRecipientUpdate;
_isViewOnceMessage = _dataMessage.hasIsViewOnce && _dataMessage.isViewOnce;
if (_dataMessage.hasRequiredProtocolVersion) {
_requiredProtocolVersion = @(_dataMessage.requiredProtocolVersion);
}
if (self.isRecipientUpdate) {
// Fetch, don't create. We don't want recipient updates to resurrect messages or threads.
if (_groupId != nil) {
_thread = [TSGroupThread fetchWithGroupId:_groupId transaction:transaction];
} else {
OWSFailDebug(@"We should never receive a 'recipient update' for messages in contact threads.");
return nil;
}
// Skip the other processing for recipient updates.
} else {
if (_groupId != nil) {
TSGroupThread *_Nullable groupThread = [TSGroupThread fetchWithGroupId:_groupId transaction:transaction];
_thread = groupThread;
if (groupContextV1 != nil) {
SignalServiceAddress *_Nullable localAddress
= OWSIncomingSentMessageTranscript.tsAccountManager.localAddress;
if (localAddress == nil) {
OWSFailDebug(@"Missing localAddress.");
return nil;
}
if (_thread == nil) {
NSArray<SignalServiceAddress *> *members = @[ localAddress ];
NSError *_Nullable groupError;
_thread = [GroupManager remoteUpsertExistingGroupV1WithGroupId:_groupId
name:groupContextV1.name
avatarData:nil
members:members
disappearingMessageToken:self.disappearingMessageToken
groupUpdateSourceAddress:localAddress
infoMessagePolicy:InfoMessagePolicyAlways
transaction:transaction
error:&groupError]
.groupThread;
if (groupError != nil || _thread == nil) {
OWSFailDebug(@"Could not create group: %@", groupError);
return nil;
}
}
if (!_thread.isGroupV1Thread) {
OWSFailDebug(@"Invalid thread for v1 group.");
return nil;
}
} else if (groupContextV2 != nil) {
if (groupThread == nil) {
// GroupsV2MessageProcessor should have already created the v2 group
// by now.
OWSFailDebug(@"Missing thread for v2 group.");
return nil;
} else if (!_thread.isGroupV2Thread) {
OWSFailDebug(@"Invalid thread for v2 group.");
return nil;
}
if (!groupContextV2.hasRevision) {
OWSFailDebug(@"Missing revision.");
return nil;
}
uint32_t revision = groupContextV2.revision;
if (![groupThread.groupModel isKindOfClass:TSGroupModelV2.class]) {
OWSFailDebug(@"Invalid group model.");
return nil;
}
TSGroupModelV2 *groupModel = (TSGroupModelV2 *)groupThread.groupModel;
if (revision > groupModel.revision) {
OWSFailDebug(@"Unexpected revision.");
return nil;
}
} else {
OWSFailDebug(@"Missing group context.");
return nil;
}
} else {
_thread = [TSContactThread getOrCreateThreadWithContactAddress:_recipientAddress transaction:transaction];
}
_quotedMessage = [TSQuotedMessage quotedMessageForDataMessage:_dataMessage
thread:_thread
transaction:transaction];
_contact = [OWSContacts contactForDataMessage:_dataMessage transaction:transaction];
NSError *linkPreviewError;
_linkPreview = [OWSLinkPreview buildValidatedLinkPreviewWithDataMessage:_dataMessage
body:_body
transaction:transaction
error:&linkPreviewError];
if (linkPreviewError && ![OWSLinkPreview isNoPreviewError:linkPreviewError]) {
OWSLogError(@"linkPreviewError: %@", linkPreviewError);
}
NSError *stickerError;
_messageSticker = [MessageSticker buildValidatedMessageStickerWithDataMessage:_dataMessage
transaction:transaction
error:&stickerError];
if (stickerError && ![MessageSticker isNoStickerError:stickerError]) {
OWSFailDebug(@"stickerError: %@", stickerError);
}
TSPaymentModels *_Nullable paymentModels = [TSPaymentModels parsePaymentProtosInDataMessage:_dataMessage
thread:_thread];
_paymentRequest = paymentModels.request;
_paymentNotification = paymentModels.notification;
_paymentCancellation = paymentModels.cancellation;
}
if (sentProto.unidentifiedStatus.count > 0) {
NSMutableArray<SignalServiceAddress *> *nonUdRecipientAddresses = [NSMutableArray new];
NSMutableArray<SignalServiceAddress *> *udRecipientAddresses = [NSMutableArray new];
for (SSKProtoSyncMessageSentUnidentifiedDeliveryStatus *statusProto in sentProto.unidentifiedStatus) {
if (!statusProto.hasValidDestination) {
OWSFailDebug(@"Delivery status proto is missing destination.");
continue;
}
if (!statusProto.hasUnidentified) {
OWSFailDebug(@"Delivery status proto is missing value.");
continue;
}
SignalServiceAddress *recipientAddress = statusProto.destinationAddress;
if (statusProto.unidentified) {
[udRecipientAddresses addObject:recipientAddress];
} else {
[nonUdRecipientAddresses addObject:recipientAddress];
}
}
_nonUdRecipientAddresses = [nonUdRecipientAddresses copy];
_udRecipientAddresses = [udRecipientAddresses copy];
}
return self;
}
- (NSArray<SSKProtoAttachmentPointer *> *)attachmentPointerProtos
{
if (self.isGroupUpdate && self.dataMessage.group.avatar) {
return @[ self.dataMessage.group.avatar ];
} else {
return self.dataMessage.attachments;
}
}
@end
NS_ASSUME_NONNULL_END