session-ios/SignalServiceKit/src/Messages/OWSIdentityManager.h
2018-03-06 17:12:13 -03:00

82 lines
3 KiB
Objective-C

//
// Copyright (c) 2018 Open Whisper Systems. All rights reserved.
//
#import "OWSRecipientIdentity.h"
#import <AxolotlKit/IdentityKeyStore.h>
NS_ASSUME_NONNULL_BEGIN
extern NSString *const OWSPrimaryStorageTrustedKeysCollection;
// This notification will be fired whenever identities are created
// or their verification state changes.
extern NSString *const kNSNotificationName_IdentityStateDidChange;
// number of bytes in a signal identity key, excluding the key-type byte.
extern const NSUInteger kIdentityKeyLength;
@class OWSRecipientIdentity;
@class OWSSignalServiceProtosVerified;
@class OWSStorage;
@class YapDatabaseReadWriteTransaction;
// This class can be safely accessed and used from any thread.
@interface OWSIdentityManager : NSObject <IdentityKeyStore>
- (instancetype)init NS_UNAVAILABLE;
+ (instancetype)sharedManager;
- (void)generateNewIdentityKey;
- (nullable NSData *)identityKeyForRecipientId:(NSString *)recipientId;
- (nullable NSData *)identityKeyForRecipientId:(NSString *)recipientId
transaction:(YapDatabaseReadTransaction *)transaction;
- (void)setVerificationState:(OWSVerificationState)verificationState
identityKey:(NSData *)identityKey
recipientId:(NSString *)recipientId
isUserInitiatedChange:(BOOL)isUserInitiatedChange
transaction:(YapDatabaseReadWriteTransaction *)transaction;
- (OWSVerificationState)verificationStateForRecipientId:(NSString *)recipientId;
- (OWSVerificationState)verificationStateForRecipientId:(NSString *)recipientId
transaction:(YapDatabaseReadTransaction *)transaction;
- (void)setVerificationState:(OWSVerificationState)verificationState
identityKey:(NSData *)identityKey
recipientId:(NSString *)recipientId
isUserInitiatedChange:(BOOL)isUserInitiatedChange;
- (nullable OWSRecipientIdentity *)recipientIdentityForRecipientId:(NSString *)recipientId;
/**
* @param recipientId unique stable identifier for the recipient, e.g. e164 phone number
* @returns nil if the recipient does not exist, or is trusted for sending
* else returns the untrusted recipient.
*/
- (nullable OWSRecipientIdentity *)untrustedIdentityForSendingToRecipientId:(NSString *)recipientId;
// This method can be called from any thread.
- (void)processIncomingSyncMessage:(OWSSignalServiceProtosVerified *)verified
transaction:(YapDatabaseReadWriteTransaction *)transaction;
- (BOOL)saveRemoteIdentity:(NSData *)identityKey recipientId:(NSString *)recipientId;
#pragma mark - Debug
- (nullable ECKeyPair *)identityKeyPair;
#if DEBUG
// Clears everything except the local identity key.
- (void)clearIdentityState:(YapDatabaseReadWriteTransaction *)transaction;
- (void)snapshotIdentityState:(YapDatabaseReadWriteTransaction *)transaction;
- (void)restoreIdentityState:(YapDatabaseReadWriteTransaction *)transaction;
#endif
@end
NS_ASSUME_NONNULL_END