49 lines
1.8 KiB
Swift
49 lines
1.8 KiB
Swift
//
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// Copyright 2021 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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extension TSInvalidIdentityKeyReceivingErrorMessage {
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@objc(identityKeyFromEncodedPreKeySignalMessage:error:)
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private func identityKey(from encodedPreKeySignalMessage: Data) throws -> Data {
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return Data(try PreKeySignalMessage(bytes: encodedPreKeySignalMessage).identityKey.keyBytes)
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}
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@objc
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public func decrypt(messagesToDecrypt: [TSInvalidIdentityKeyReceivingErrorMessage]?) {
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AssertIsOnMainThread()
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guard let messagesToDecrypt = messagesToDecrypt else {
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return
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}
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for errorMessage in messagesToDecrypt {
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guard let envelopeData = errorMessage.envelopeData else {
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owsFailDebug("Missing envelopeData.")
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continue
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}
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messageProcessor.processReceivedEnvelopeData(
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envelopeData,
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serverDeliveryTimestamp: 0,
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envelopeSource: .identityChangeError
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) { _ in
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// Here we remove the existing error message because handleReceivedEnvelope will
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// either
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// 1.) succeed and create a new successful message in the thread or...
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// 2.) fail and create a new identical error message in the thread.
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Self.databaseStorage.write { tx in
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if let existingError = TSInteraction.anyFetch(
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uniqueId: errorMessage.uniqueId, transaction: tx
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) {
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DependenciesBridge.shared.interactionDeleteManager
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.delete(existingError, sideEffects: .default(), tx: tx.asV2Write)
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}
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}
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}
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}
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}
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}
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