58 lines
1.8 KiB
Swift
58 lines
1.8 KiB
Swift
//
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// Copyright 2019 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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public struct ContactDetails {
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public let aci: Aci?
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public let phoneNumber: E164?
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public let expireTimer: UInt32
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public let inboxSortOrder: UInt32?
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}
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public class ContactsInputStream {
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var inputStream: ChunkedInputStream
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public init(inputStream: ChunkedInputStream) {
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self.inputStream = inputStream
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}
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public func decodeContact() throws -> ContactDetails? {
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guard !inputStream.isEmpty else {
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return nil
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}
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var contactDataLength: UInt32 = 0
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try inputStream.decodeSingularUInt32Field(value: &contactDataLength)
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guard contactDataLength > 0 else {
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owsFailDebug("Empty contactDataLength.")
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return nil
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}
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var contactData: Data = Data()
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try inputStream.decodeData(value: &contactData, count: Int(contactDataLength))
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let contactDetails = try SignalServiceProtos_ContactDetails(serializedData: contactData)
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if contactDetails.hasAvatar {
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// Consume but discard the incoming contact avatar.
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var decodedData = Data()
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try inputStream.decodeData(value: &decodedData, count: Int(contactDetails.avatar.length))
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}
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let aci = Aci.parseFrom(aciString: contactDetails.hasAci ? contactDetails.aci : nil)
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let phoneNumber = E164.expectNilOrValid(stringValue: contactDetails.hasContactE164 ? contactDetails.contactE164 : nil)
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return ContactDetails(
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aci: aci,
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phoneNumber: phoneNumber,
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expireTimer: contactDetails.expireTimer,
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inboxSortOrder: contactDetails.hasInboxPosition ? contactDetails.inboxPosition : nil
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)
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}
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}
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