95 lines
3.5 KiB
Swift
95 lines
3.5 KiB
Swift
//
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// Copyright 2026 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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//
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import Foundation
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import LibSignalClient
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@objc(OWSLinkedDeviceViewedReceipt)
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final class LinkedDeviceViewedReceipt: NSObject, NSSecureCoding {
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let messageUniqueId: String? // Only nil if decoding old values
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let messageIdTimestamp: UInt64
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let viewedTimestamp: UInt64
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let senderPhoneNumber: String?
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let senderAci: Aci?
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init(
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senderAci: Aci,
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messageUniqueId: String?,
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messageIdTimestamp: UInt64,
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viewedTimestamp: UInt64,
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) {
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owsAssertDebug(messageIdTimestamp > 0)
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self.senderPhoneNumber = nil
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self.senderAci = senderAci
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self.messageUniqueId = messageUniqueId
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self.messageIdTimestamp = messageIdTimestamp
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self.viewedTimestamp = viewedTimestamp
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}
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static var supportsSecureCoding: Bool { true }
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func encode(with coder: NSCoder) {
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coder.encode(NSNumber(value: self.messageIdTimestamp), forKey: "messageIdTimestamp")
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if let messageUniqueId {
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coder.encode(messageUniqueId, forKey: "messageUniqueId")
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}
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if let senderPhoneNumber {
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coder.encode(senderPhoneNumber, forKey: "senderPhoneNumber")
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}
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if let senderAci {
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coder.encode(senderAci.serviceIdUppercaseString, forKey: "senderUUID")
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}
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coder.encode(NSNumber(value: self.viewedTimestamp), forKey: "viewedTimestamp")
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}
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init?(coder: NSCoder) {
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guard let messageIdTimestamp = coder.decodeObject(of: NSNumber.self, forKey: "messageIdTimestamp") else {
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return nil
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}
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self.messageIdTimestamp = messageIdTimestamp.uint64Value
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self.messageUniqueId = coder.decodeObject(of: NSString.self, forKey: "messageUniqueId") as String?
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self.senderPhoneNumber = coder.decodeObject(of: NSString.self, forKey: "senderPhoneNumber") as String?
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let senderAciString = coder.decodeObject(of: NSString.self, forKey: "senderUUID") as String?
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if let senderAciString {
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guard let senderAci = Aci.parseFrom(aciString: senderAciString) else {
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return nil
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}
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self.senderAci = senderAci
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} else {
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self.senderAci = nil
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}
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guard let viewedTimestamp = coder.decodeObject(of: NSNumber.self, forKey: "viewedTimestamp") else {
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return nil
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}
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self.viewedTimestamp = viewedTimestamp.uint64Value
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}
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override var hash: Int {
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var hasher = Hasher()
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hasher.combine(self.messageIdTimestamp)
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hasher.combine(self.messageUniqueId)
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hasher.combine(self.senderPhoneNumber)
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hasher.combine(self.senderAci)
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hasher.combine(self.viewedTimestamp)
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return hasher.finalize()
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}
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override func isEqual(_ object: Any?) -> Bool {
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guard let object = object as? Self else { return false }
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guard self.messageIdTimestamp == object.messageIdTimestamp else { return false }
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guard self.messageUniqueId == object.messageUniqueId else { return false }
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guard self.senderPhoneNumber == object.senderPhoneNumber else { return false }
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guard self.senderAci == object.senderAci else { return false }
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guard self.viewedTimestamp == object.viewedTimestamp else { return false }
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return true
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}
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var senderAddress: SignalServiceAddress {
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return SignalServiceAddress.legacyAddress(serviceId: self.senderAci, phoneNumber: self.senderPhoneNumber)
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}
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}
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