103 lines
2.8 KiB
C++
103 lines
2.8 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#pragma once
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#include "e2e_cloud/core/freshness_crypto.h"
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#include "e2e_cloud/core/interfaces.h"
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namespace E2ECloud {
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class PersistentInboundJournal;
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class ProtectedOutboxStore;
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struct PrepareFreshnessChallengeEnvelopeArgs {
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FreshnessChallenge challenge;
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AccountId requesterAccountId;
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ClientId requesterClientId;
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std::uint64_t telegramPeerIdBinding = 0;
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ObjectId objectId;
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const SecureKey32 *requesterSigningPrivateKey = nullptr;
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};
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struct PrepareFreshnessResponseEnvelopeArgs {
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FreshnessChallenge challenge;
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Checkpoint witnessCheckpoint;
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AccountId witnessAccountId;
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ClientId witnessClientId;
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std::uint64_t telegramPeerIdBinding = 0;
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ObjectId objectId;
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const SecureKey32 *witnessSigningPrivateKey = nullptr;
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};
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struct VerifiedObservedFreshnessChallenge {
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FreshnessChallenge challenge;
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AccountId requesterAccountId;
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ClientId requesterClientId;
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ObjectId objectId;
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Digest payloadHash;
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};
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struct VerifiedObservedFreshnessResponse {
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FreshnessResponse response;
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ObjectId objectId;
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};
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enum class FreshnessResponseQueueResult {
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Queued,
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AlreadyQueued,
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AlreadyPublished,
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AlreadyResponded,
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InvalidArguments,
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ObjectIdConflict,
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PersistenceFailed,
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};
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struct QueueFreshnessResponseArgs {
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ConversationId conversationId;
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ObjectId challengeObjectId;
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Digest challengePayloadHash;
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EncodedEnvelope responseEnvelope;
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bool responseAlreadyPublished = false;
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};
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[[nodiscard]] FreshnessResponseQueueResult QueueFreshnessResponseOnce(
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QueueFreshnessResponseArgs args,
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ProtectedOutboxStore &outbox,
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PersistentInboundJournal &replayJournal);
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[[nodiscard]] std::optional<EncodedEnvelope>
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PrepareFreshnessChallengeEnvelope(
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PrepareFreshnessChallengeEnvelopeArgs args,
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const EnvelopeCodec &envelopeCodec,
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const Sha256Provider &sha256);
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[[nodiscard]] std::optional<EncodedEnvelope>
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PrepareFreshnessResponseEnvelope(
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PrepareFreshnessResponseEnvelopeArgs args,
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const EnvelopeCodec &envelopeCodec,
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const Sha256Provider &sha256);
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[[nodiscard]] std::optional<VerifiedObservedFreshnessChallenge>
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VerifyObservedFreshnessChallenge(
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const TelegramTransport::UntrustedObject &object,
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ConversationId conversationId,
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std::uint64_t telegramPeerIdBinding,
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const EnvelopeCodec &envelopeCodec,
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const PersistentGroupLedger &groupLedger,
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const Sha256Provider &sha256);
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[[nodiscard]] std::optional<VerifiedObservedFreshnessResponse>
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VerifyObservedFreshnessResponse(
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const TelegramTransport::UntrustedObject &object,
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ConversationId conversationId,
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std::uint64_t telegramPeerIdBinding,
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const EnvelopeCodec &envelopeCodec,
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const PersistentGroupLedger &groupLedger,
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const Sha256Provider &sha256);
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} // namespace E2ECloud
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