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