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// SPDX-FileCopyrightText: 2021 Nheko Contributors
//
// SPDX-License-Identifier: GPL-3.0-or-later
#pragma once
#include <map>
#include <mutex>
#include <mtx/responses/crypto.hpp>
#include <mtxclient/crypto/objects.hpp>
struct DeviceAndMasterKeys
{
// map from device id or master key id to message_index
std::map<std::string, uint64_t> devices, master_keys;
};
struct SharedWithUsers
{
// userid to keys
std::map<std::string, DeviceAndMasterKeys> keys;
};
// Extra information associated with an outbound megolm session.
struct OutboundGroupSessionData
{
std::string session_id;
std::string session_key;
uint64_t message_index = 0;
// who has access to this session.
// Rotate, when a user leaves the room and share, when a user gets added.
SharedWithUsers initially, currently;
};
void
to_json(nlohmann::json &obj, const OutboundGroupSessionData &msg);
void
from_json(const nlohmann::json &obj, OutboundGroupSessionData &msg);
struct OutboundGroupSessionDataRef
{
mtx::crypto::OutboundGroupSessionPtr session;
OutboundGroupSessionData data;
};
struct DevicePublicKeys
{
std::string ed25519;
std::string curve25519;
};
void
to_json(nlohmann::json &obj, const DevicePublicKeys &msg);
void
from_json(const nlohmann::json &obj, DevicePublicKeys &msg);
//! Represents a unique megolm session identifier.
struct MegolmSessionIndex
{
//! The room in which this session exists.
std::string room_id;
//! The session_id of the megolm session.
std::string session_id;
//! The curve25519 public key of the sender.
std::string sender_key;
};
void
to_json(nlohmann::json &obj, const MegolmSessionIndex &msg);
void
from_json(const nlohmann::json &obj, MegolmSessionIndex &msg);
struct StoredOlmSession
{
std::uint64_t last_message_ts = 0;
std::string pickled_session;
};
void
to_json(nlohmann::json &obj, const StoredOlmSession &msg);
void
from_json(const nlohmann::json &obj, StoredOlmSession &msg);
//! Verification status of a single user
struct VerificationStatus
{
//! True, if the users master key is verified
bool user_verified = false;
//! List of all devices marked as verified
std::vector<std::string> verified_devices;
};
//! In memory cache of verification status
struct VerificationStorage
{
//! mapping of user to verification status
std::map<std::string, VerificationStatus> status;
std::mutex verification_storage_mtx;
};
// this will store the keys of the user with whom a encrypted room is shared with
struct UserKeyCache
{
//! Device id to device keys
std::map<std::string, mtx::crypto::DeviceKeys> device_keys;
//! corss signing keys
mtx::crypto::CrossSigningKeys master_keys, user_signing_keys, self_signing_keys;
//! Sync token when nheko last fetched the keys
std::string updated_at;
//! Sync token when the keys last changed. updated != last_changed means they are outdated.
std::string last_changed;
};
void
to_json(nlohmann::json &j, const UserKeyCache &info);
void
from_json(const nlohmann::json &j, UserKeyCache &info);
// the reason these are stored in a seperate cache rather than storing it in the user cache is
// UserKeyCache stores only keys of users with which encrypted room is shared
struct VerificationCache
{
//! list of verified device_ids with device-verification
std::vector<std::string> device_verified;
//! list of devices the user blocks
std::vector<std::string> device_blocked;
};
void
to_json(nlohmann::json &j, const VerificationCache &info);
void
from_json(const nlohmann::json &j, VerificationCache &info);
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