87 lines
2.7 KiB
Objective-C
87 lines
2.7 KiB
Objective-C
//
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// Copyright 2017 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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//
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#import "OWSLinkedDeviceReadReceipt.h"
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#import <SignalServiceKit/SignalServiceKit-Swift.h>
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NS_ASSUME_NONNULL_BEGIN
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NSUInteger const OWSLinkedDeviceReadReceiptSchemaVersion = 1;
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@interface OWSLinkedDeviceReadReceipt ()
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@property (nonatomic, nullable, readonly) NSString *senderPhoneNumber;
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@property (nonatomic, nullable, readonly) NSString *senderUUID;
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@property (nonatomic, readonly) NSUInteger linkedDeviceReadReceiptSchemaVersion;
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@end
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@implementation OWSLinkedDeviceReadReceipt
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- (instancetype)initWithSenderAci:(AciObjC *)senderAci
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messageUniqueId:(nullable NSString *)messageUniqueId
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messageIdTimestamp:(uint64_t)messageIdTimestamp
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readTimestamp:(uint64_t)readTimestamp
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{
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OWSAssertDebug(messageIdTimestamp > 0);
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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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_senderPhoneNumber = nil;
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_senderUUID = senderAci.serviceIdUppercaseString;
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_messageUniqueId = messageUniqueId;
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_messageIdTimestamp = messageIdTimestamp;
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_readTimestamp = readTimestamp;
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_linkedDeviceReadReceiptSchemaVersion = OWSLinkedDeviceReadReceiptSchemaVersion;
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return self;
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}
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wobjc-designated-initializers"
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- (nullable instancetype)initWithCoder:(NSCoder *)coder
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{
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self = [super initWithCoder:coder];
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#pragma clang diagnostic pop
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if (!self) {
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return self;
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}
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// renamed timestamp -> messageIdTimestamp
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if (!_messageIdTimestamp) {
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NSNumber *_Nullable legacyTimestamp = (NSNumber *)[coder decodeObjectForKey:@"timestamp"];
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OWSAssertDebug(legacyTimestamp.unsignedLongLongValue > 0);
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_messageIdTimestamp = legacyTimestamp.unsignedLongLongValue;
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}
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// For legacy objects, before we were tracking read time, use the original messages "sent" timestamp
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// as the local read time. This will always be at least a little bit earlier than the message was
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// actually read, which isn't ideal, but safer than persisting a disappearing message too long, especially
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// since we know they read it on their linked desktop.
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if (_readTimestamp == 0) {
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_readTimestamp = _messageIdTimestamp;
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}
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if (_linkedDeviceReadReceiptSchemaVersion < 1) {
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_senderPhoneNumber = [coder decodeObjectForKey:@"senderId"];
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OWSAssertDebug(_senderPhoneNumber);
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}
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_linkedDeviceReadReceiptSchemaVersion = OWSLinkedDeviceReadReceiptSchemaVersion;
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return self;
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}
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- (SignalServiceAddress *)senderAddress
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{
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return [SignalServiceAddress legacyAddressWithServiceIdString:self.senderUUID phoneNumber:self.senderPhoneNumber];
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}
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@end
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NS_ASSUME_NONNULL_END
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