session-ios/SignalServiceKit/src/Protocols/ProtoBuf+OWS.m

105 lines
3.1 KiB
Objective-C

//
// Copyright (c) 2017 Open Whisper Systems. All rights reserved.
//
#import "ProfileManagerProtocol.h"
#import "ProtoBuf+OWS.h"
#import "SignalRecipient.h"
#import "TSThread.h"
#import "TextSecureKitEnv.h"
#import "Cryptography.h"
NS_ASSUME_NONNULL_BEGIN
@implementation PBGeneratedMessageBuilder (OWS)
- (BOOL)shouldMessageHaveLocalProfileKey:(TSThread *)thread recipientId:(NSString *_Nullable)recipientId
{
OWSAssert(thread);
id<ProfileManagerProtocol> profileManager = [TextSecureKitEnv sharedEnv].profileManager;
// For 1:1 threads, we want to include the profile key IFF the
// contact is in the whitelist.
//
// For Group threads, we want to include the profile key IFF the
// recipient OR the group is in the whitelist.
if (recipientId.length > 0 && [profileManager isUserInProfileWhitelist:recipientId]) {
return YES;
} else if ([profileManager isThreadInProfileWhitelist:thread]) {
return YES;
}
return NO;
}
- (OWSAES256Key *)localProfileKey
{
id<ProfileManagerProtocol> profileManager = [TextSecureKitEnv sharedEnv].profileManager;
return profileManager.localProfileKey;
}
@end
#pragma mark -
@implementation OWSSignalServiceProtosDataMessageBuilder (OWS)
- (void)addLocalProfileKeyIfNecessary:(TSThread *)thread recipientId:(NSString *_Nullable)recipientId
{
OWSAssert(thread);
if ([self shouldMessageHaveLocalProfileKey:thread recipientId:recipientId]) {
[self setProfileKey:self.localProfileKey.keyData];
if (recipientId.length > 0) {
// Once we've shared our profile key with a user (perhaps due to being
// a member of a whitelisted group), make sure they're whitelisted.
id<ProfileManagerProtocol> profileManager = [TextSecureKitEnv sharedEnv].profileManager;
// FIXME PERF avoid this dispatch. It's going to happen for *each* recipient in a group message.
dispatch_async(dispatch_get_main_queue(), ^{
[profileManager addUserToProfileWhitelist:recipientId];
});
}
}
}
@end
#pragma mark -
@implementation OWSSignalServiceProtosCallMessageBuilder (OWS)
- (void)addLocalProfileKeyIfNecessary:(TSThread *)thread recipientId:(NSString *)recipientId
{
OWSAssert(thread);
OWSAssert(recipientId.length > 0);
if ([self shouldMessageHaveLocalProfileKey:thread recipientId:recipientId]) {
[self setProfileKey:self.localProfileKey.keyData];
// Once we've shared our profile key with a user (perhaps due to being
// a member of a whitelisted group), make sure they're whitelisted.
id<ProfileManagerProtocol> profileManager = [TextSecureKitEnv sharedEnv].profileManager;
// FIXME PERF avoid this dispatch. It's going to happen for *each* recipient in a group message.
dispatch_async(dispatch_get_main_queue(), ^{
[profileManager addUserToProfileWhitelist:recipientId];
});
}
}
@end
#pragma mark -
@implementation OWSSignalServiceProtosSyncMessageBuilder (OWS)
- (void)addLocalProfileKey
{
[self setProfileKey:self.localProfileKey.keyData];
}
@end
NS_ASSUME_NONNULL_END