matrixion/src/Cache.h
2020-01-31 16:08:30 +01:00

305 lines
8.5 KiB
C++

/*
* nheko Copyright (C) 2017 Konstantinos Sideris <siderisk@auth.gr>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <QDateTime>
#include <QDir>
#include <QImage>
#include <QString>
#if __has_include(<lmdbxx/lmdb++.h>)
#include <lmdbxx/lmdb++.h>
#else
#include <lmdb++.h>
#endif
#include <mtx/responses.hpp>
#include "CacheCryptoStructs.h"
#include "CacheStructs.h"
namespace cache {
void
init(const QString &user_id);
std::string
displayName(const std::string &room_id, const std::string &user_id);
QString
displayName(const QString &room_id, const QString &user_id);
QString
avatarUrl(const QString &room_id, const QString &user_id);
QString
userColor(const QString &user_id);
void
removeDisplayName(const QString &room_id, const QString &user_id);
void
removeAvatarUrl(const QString &room_id, const QString &user_id);
void
removeUserColor(const QString &user_id);
void
insertDisplayName(const QString &room_id, const QString &user_id, const QString &display_name);
void
insertAvatarUrl(const QString &room_id, const QString &user_id, const QString &avatar_url);
void
insertUserColor(const QString &user_id, const QString &color_name);
void
clearUserColors();
//! Load saved data for the display names & avatars.
void
populateMembers();
std::vector<std::string>
joinedRooms();
QMap<QString, RoomInfo>
roomInfo(bool withInvites = true);
std::map<QString, bool>
invites();
//! Calculate & return the name of the room.
QString
getRoomName(lmdb::txn &txn, lmdb::dbi &statesdb, lmdb::dbi &membersdb);
//! Get room join rules
mtx::events::state::JoinRule
getRoomJoinRule(lmdb::txn &txn, lmdb::dbi &statesdb);
bool
getRoomGuestAccess(lmdb::txn &txn, lmdb::dbi &statesdb);
//! Retrieve the topic of the room if any.
QString
getRoomTopic(lmdb::txn &txn, lmdb::dbi &statesdb);
//! Retrieve the room avatar's url if any.
QString
getRoomAvatarUrl(lmdb::txn &txn, lmdb::dbi &statesdb, lmdb::dbi &membersdb, const QString &room_id);
//! Retrieve the version of the room if any.
QString
getRoomVersion(lmdb::txn &txn, lmdb::dbi &statesdb);
//! Retrieve member info from a room.
std::vector<RoomMember>
getMembers(const std::string &room_id, std::size_t startIndex = 0, std::size_t len = 30);
void
saveState(const mtx::responses::Sync &res);
bool
isInitialized();
std::string
nextBatchToken();
void
deleteData();
void
removeInvite(lmdb::txn &txn, const std::string &room_id);
void
removeInvite(const std::string &room_id);
void
removeRoom(lmdb::txn &txn, const std::string &roomid);
void
removeRoom(const std::string &roomid);
void
removeRoom(const QString &roomid);
void
setup();
bool
isFormatValid();
void
setCurrentFormat();
std::map<QString, mtx::responses::Timeline>
roomMessages();
QMap<QString, mtx::responses::Notifications>
getTimelineMentions();
//! Retrieve all the user ids from a room.
std::vector<std::string>
roomMembers(const std::string &room_id);
//! Check if the given user has power leve greater than than
//! lowest power level of the given events.
bool
hasEnoughPowerLevel(const std::vector<mtx::events::EventType> &eventTypes,
const std::string &room_id,
const std::string &user_id);
//! Retrieves the saved room avatar.
QImage
getRoomAvatar(const QString &id);
QImage
getRoomAvatar(const std::string &id);
//! Adds a user to the read list for the given event.
//!
//! There should be only one user id present in a receipt list per room.
//! The user id should be removed from any other lists.
using Receipts = std::map<std::string, std::map<std::string, uint64_t>>;
void
updateReadReceipt(lmdb::txn &txn, const std::string &room_id, const Receipts &receipts);
//! Retrieve all the read receipts for the given event id and room.
//!
//! Returns a map of user ids and the time of the read receipt in milliseconds.
using UserReceipts = std::multimap<uint64_t, std::string, std::greater<uint64_t>>;
UserReceipts
readReceipts(const QString &event_id, const QString &room_id);
//! Filter the events that have at least one read receipt.
std::vector<QString>
filterReadEvents(const QString &room_id,
const std::vector<QString> &event_ids,
const std::string &excluded_user);
//! Add event for which we are expecting some read receipts.
void
addPendingReceipt(const QString &room_id, const QString &event_id);
void
removePendingReceipt(lmdb::txn &txn, const std::string &room_id, const std::string &event_id);
void
notifyForReadReceipts(const std::string &room_id);
std::vector<QString>
pendingReceiptsEvents(lmdb::txn &txn, const std::string &room_id);
QByteArray
image(const QString &url);
QByteArray
image(lmdb::txn &txn, const std::string &url);
inline QByteArray
image(const std::string &url)
{
return image(QString::fromStdString(url));
}
void
saveImage(const std::string &url, const std::string &data);
void
saveImage(const QString &url, const QByteArray &data);
RoomInfo
singleRoomInfo(const std::string &room_id);
std::vector<std::string>
roomsWithStateUpdates(const mtx::responses::Sync &res);
std::vector<std::string>
roomsWithTagUpdates(const mtx::responses::Sync &res);
std::map<QString, RoomInfo>
getRoomInfo(const std::vector<std::string> &rooms);
inline std::map<QString, RoomInfo>
roomUpdates(const mtx::responses::Sync &sync)
{
return getRoomInfo(roomsWithStateUpdates(sync));
}
inline std::map<QString, RoomInfo>
roomTagUpdates(const mtx::responses::Sync &sync)
{
return getRoomInfo(roomsWithTagUpdates(sync));
}
//! Calculates which the read status of a room.
//! Whether all the events in the timeline have been read.
bool
calculateRoomReadStatus(const std::string &room_id);
void
calculateRoomReadStatus();
std::vector<SearchResult>
searchUsers(const std::string &room_id, const std::string &query, std::uint8_t max_items = 5);
std::vector<RoomSearchResult>
searchRooms(const std::string &query, std::uint8_t max_items = 5);
void
markSentNotification(const std::string &event_id);
//! Removes an event from the sent notifications.
void
removeReadNotification(const std::string &event_id);
//! Check if we have sent a desktop notification for the given event id.
bool
isNotificationSent(const std::string &event_id);
//! Add all notifications containing a user mention to the db.
void
saveTimelineMentions(const mtx::responses::Notifications &res);
//! Remove old unused data.
void
deleteOldMessages();
void
deleteOldData() noexcept;
//! Retrieve all saved room ids.
std::vector<std::string>
getRoomIds(lmdb::txn &txn);
//! Mark a room that uses e2e encryption.
void
setEncryptedRoom(lmdb::txn &txn, const std::string &room_id);
bool
isRoomEncrypted(const std::string &room_id);
//! Check if a user is a member of the room.
bool
isRoomMember(const std::string &user_id, const std::string &room_id);
//
// Outbound Megolm Sessions
//
void
saveOutboundMegolmSession(const std::string &room_id,
const OutboundGroupSessionData &data,
mtx::crypto::OutboundGroupSessionPtr session);
OutboundGroupSessionDataRef
getOutboundMegolmSession(const std::string &room_id);
bool
outboundMegolmSessionExists(const std::string &room_id) noexcept;
void
updateOutboundMegolmSession(const std::string &room_id, int message_index);
void
importSessionKeys(const mtx::crypto::ExportedSessionKeys &keys);
mtx::crypto::ExportedSessionKeys
exportSessionKeys();
//
// Inbound Megolm Sessions
//
void
saveInboundMegolmSession(const MegolmSessionIndex &index,
mtx::crypto::InboundGroupSessionPtr session);
OlmInboundGroupSession *
getInboundMegolmSession(const MegolmSessionIndex &index);
bool
inboundMegolmSessionExists(const MegolmSessionIndex &index);
//
// Olm Sessions
//
void
saveOlmSession(const std::string &curve25519, mtx::crypto::OlmSessionPtr session);
std::vector<std::string>
getOlmSessions(const std::string &curve25519);
std::optional<mtx::crypto::OlmSessionPtr>
getOlmSession(const std::string &curve25519, const std::string &session_id);
void
saveOlmAccount(const std::string &pickled);
std::string
restoreOlmAccount();
void
restoreSessions();
}