session-ios/SignalServiceKit/src/Messages/OWSMessageDecrypter.h

37 lines
1.1 KiB
Objective-C

//
// Copyright (c) 2018 Open Whisper Systems. All rights reserved.
//
#import "OWSMessageHandler.h"
NS_ASSUME_NONNULL_BEGIN
@class OWSPrimaryStorage;
@class SSKProtoEnvelope;
@class YapDatabaseReadWriteTransaction;
// Decryption result includes the envelope since the envelope
// may be altered by the decryption process.
typedef void (^DecryptSuccessBlock)(
NSData *envelopeData, NSData *_Nullable plaintextData, YapDatabaseReadWriteTransaction *transaction);
typedef void (^DecryptFailureBlock)(void);
@interface OWSMessageDecrypter : OWSMessageHandler
- (instancetype)init NS_UNAVAILABLE;
- (instancetype)initWithPrimaryStorage:(OWSPrimaryStorage *)primaryStorage NS_DESIGNATED_INITIALIZER;
// decryptEnvelope: can be called from any thread.
// successBlock & failureBlock will be called an arbitrary thread.
//
// Exactly one of successBlock & failureBlock will be called,
// once.
- (void)decryptEnvelope:(SSKProtoEnvelope *)envelope
envelopeData:(NSData *)envelopeData
successBlock:(DecryptSuccessBlock)successBlock
failureBlock:(DecryptFailureBlock)failureBlock;
@end
NS_ASSUME_NONNULL_END