66 lines
2.0 KiB
Objective-C
66 lines
2.0 KiB
Objective-C
//
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// Copyright (c) 2017 Open Whisper Systems. All rights reserved.
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//
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#import "OWSFingerprintBuilder.h"
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#import "ContactsManagerProtocol.h"
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#import "OWSFingerprint.h"
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#import "OWSIdentityManager.h"
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#import "TSAccountManager.h"
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#import <Curve25519Kit/Curve25519.h>
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NS_ASSUME_NONNULL_BEGIN
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@interface OWSFingerprintBuilder ()
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@property (nonatomic, readonly) TSAccountManager *accountManager;
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@property (nonatomic, readonly) id<ContactsManagerProtocol> contactsManager;
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@end
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@implementation OWSFingerprintBuilder
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- (instancetype)initWithAccountManager:(TSAccountManager *)accountManager
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contactsManager:(id<ContactsManagerProtocol>)contactsManager
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{
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self = [super init];
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if (!self) {
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return self;
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}
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_accountManager = accountManager;
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_contactsManager = contactsManager;
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return self;
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}
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- (nullable OWSFingerprint *)fingerprintWithTheirSignalId:(NSString *)theirSignalId
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{
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NSData *_Nullable theirIdentityKey = [[OWSIdentityManager sharedManager] identityKeyForRecipientId:theirSignalId];
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if (theirIdentityKey == nil) {
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OWSFail(@"%@ Missing their identity key", self.logTag);
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return nil;
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}
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return [self fingerprintWithTheirSignalId:theirSignalId theirIdentityKey:theirIdentityKey];
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}
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- (OWSFingerprint *)fingerprintWithTheirSignalId:(NSString *)theirSignalId theirIdentityKey:(NSData *)theirIdentityKey
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{
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NSString *theirName = [self.contactsManager displayNameForPhoneIdentifier:theirSignalId];
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NSString *mySignalId = [self.accountManager localNumber];
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NSData *myIdentityKey = [[OWSIdentityManager sharedManager] identityKeyPair].publicKey;
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return [OWSFingerprint fingerprintWithMyStableId:mySignalId
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myIdentityKey:myIdentityKey
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theirStableId:theirSignalId
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theirIdentityKey:theirIdentityKey
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theirName:theirName];
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}
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@end
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NS_ASSUME_NONNULL_END
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