mirror of
https://github.com/Nheko-Reborn/nheko.git
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3f563e1e6e
Cache user mentions when they are retrieved from the server. This logic currently isn't being utilized by the UI. Additionally, the app should use a 'since' value to only get mentions newer than those stored in the DB, to avoid excessive web requests. This will be implemented in a future commit.
2316 lines
74 KiB
C++
2316 lines
74 KiB
C++
/*
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* nheko Copyright (C) 2017 Konstantinos Sideris <siderisk@auth.gr>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <limits>
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#include <stdexcept>
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#include <QByteArray>
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#include <QCoreApplication>
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#include <QFile>
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#include <QHash>
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#include <QSettings>
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#include <QStandardPaths>
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#include <boost/variant.hpp>
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#include <mtx/responses/common.hpp>
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#include "Cache.h"
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#include "Utils.h"
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//! Should be changed when a breaking change occurs in the cache format.
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//! This will reset client's data.
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static const std::string CURRENT_CACHE_FORMAT_VERSION("2018.09.21");
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static const std::string SECRET("secret");
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static const lmdb::val NEXT_BATCH_KEY("next_batch");
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static const lmdb::val OLM_ACCOUNT_KEY("olm_account");
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static const lmdb::val CACHE_FORMAT_VERSION_KEY("cache_format_version");
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constexpr size_t MAX_RESTORED_MESSAGES = 30;
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constexpr auto DB_SIZE = 512UL * 1024UL * 1024UL; // 512 MB
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constexpr auto MAX_DBS = 8092UL;
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//! Cache databases and their format.
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//!
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//! Contains UI information for the joined rooms. (i.e name, topic, avatar url etc).
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//! Format: room_id -> RoomInfo
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constexpr auto ROOMS_DB("rooms");
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constexpr auto INVITES_DB("invites");
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//! Keeps already downloaded media for reuse.
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//! Format: matrix_url -> binary data.
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constexpr auto MEDIA_DB("media");
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//! Information that must be kept between sync requests.
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constexpr auto SYNC_STATE_DB("sync_state");
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//! Read receipts per room/event.
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constexpr auto READ_RECEIPTS_DB("read_receipts");
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constexpr auto NOTIFICATIONS_DB("sent_notifications");
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//! Encryption related databases.
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//! user_id -> list of devices
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constexpr auto DEVICES_DB("devices");
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//! device_id -> device keys
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constexpr auto DEVICE_KEYS_DB("device_keys");
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//! room_ids that have encryption enabled.
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constexpr auto ENCRYPTED_ROOMS_DB("encrypted_rooms");
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//! room_id -> pickled OlmInboundGroupSession
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constexpr auto INBOUND_MEGOLM_SESSIONS_DB("inbound_megolm_sessions");
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//! MegolmSessionIndex -> pickled OlmOutboundGroupSession
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constexpr auto OUTBOUND_MEGOLM_SESSIONS_DB("outbound_megolm_sessions");
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using CachedReceipts = std::multimap<uint64_t, std::string, std::greater<uint64_t>>;
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using Receipts = std::map<std::string, std::map<std::string, uint64_t>>;
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namespace {
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std::unique_ptr<Cache> instance_ = nullptr;
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}
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namespace cache {
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void
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init(const QString &user_id)
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{
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qRegisterMetaType<SearchResult>();
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qRegisterMetaType<QVector<SearchResult>>();
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qRegisterMetaType<RoomMember>();
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qRegisterMetaType<RoomSearchResult>();
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qRegisterMetaType<RoomInfo>();
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qRegisterMetaType<QMap<QString, RoomInfo>>();
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qRegisterMetaType<std::map<QString, RoomInfo>>();
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qRegisterMetaType<std::map<QString, mtx::responses::Timeline>>();
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instance_ = std::make_unique<Cache>(user_id);
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}
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Cache *
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client()
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{
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return instance_.get();
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}
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} // namespace cache
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Cache::Cache(const QString &userId, QObject *parent)
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: QObject{parent}
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, env_{nullptr}
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, syncStateDb_{0}
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, roomsDb_{0}
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, invitesDb_{0}
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, mediaDb_{0}
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, readReceiptsDb_{0}
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, notificationsDb_{0}
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, devicesDb_{0}
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, deviceKeysDb_{0}
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, inboundMegolmSessionDb_{0}
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, outboundMegolmSessionDb_{0}
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, localUserId_{userId}
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{
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setup();
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}
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void
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Cache::setup()
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{
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nhlog::db()->debug("setting up cache");
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auto statePath = QString("%1/%2")
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.arg(QStandardPaths::writableLocation(QStandardPaths::CacheLocation))
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.arg(QString::fromUtf8(localUserId_.toUtf8().toHex()));
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cacheDirectory_ = QString("%1/%2")
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.arg(QStandardPaths::writableLocation(QStandardPaths::CacheLocation))
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.arg(QString::fromUtf8(localUserId_.toUtf8().toHex()));
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bool isInitial = !QFile::exists(statePath);
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env_ = lmdb::env::create();
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env_.set_mapsize(DB_SIZE);
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env_.set_max_dbs(MAX_DBS);
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if (isInitial) {
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nhlog::db()->info("initializing LMDB");
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if (!QDir().mkpath(statePath)) {
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throw std::runtime_error(
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("Unable to create state directory:" + statePath).toStdString().c_str());
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}
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}
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try {
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env_.open(statePath.toStdString().c_str());
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} catch (const lmdb::error &e) {
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if (e.code() != MDB_VERSION_MISMATCH && e.code() != MDB_INVALID) {
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throw std::runtime_error("LMDB initialization failed" +
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std::string(e.what()));
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}
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nhlog::db()->warn("resetting cache due to LMDB version mismatch: {}", e.what());
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QDir stateDir(statePath);
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for (const auto &file : stateDir.entryList(QDir::NoDotAndDotDot)) {
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if (!stateDir.remove(file))
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throw std::runtime_error(
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("Unable to delete file " + file).toStdString().c_str());
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}
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env_.open(statePath.toStdString().c_str());
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}
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auto txn = lmdb::txn::begin(env_);
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syncStateDb_ = lmdb::dbi::open(txn, SYNC_STATE_DB, MDB_CREATE);
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roomsDb_ = lmdb::dbi::open(txn, ROOMS_DB, MDB_CREATE);
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invitesDb_ = lmdb::dbi::open(txn, INVITES_DB, MDB_CREATE);
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mediaDb_ = lmdb::dbi::open(txn, MEDIA_DB, MDB_CREATE);
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readReceiptsDb_ = lmdb::dbi::open(txn, READ_RECEIPTS_DB, MDB_CREATE);
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notificationsDb_ = lmdb::dbi::open(txn, NOTIFICATIONS_DB, MDB_CREATE);
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// Device management
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devicesDb_ = lmdb::dbi::open(txn, DEVICES_DB, MDB_CREATE);
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deviceKeysDb_ = lmdb::dbi::open(txn, DEVICE_KEYS_DB, MDB_CREATE);
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// Session management
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inboundMegolmSessionDb_ = lmdb::dbi::open(txn, INBOUND_MEGOLM_SESSIONS_DB, MDB_CREATE);
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outboundMegolmSessionDb_ = lmdb::dbi::open(txn, OUTBOUND_MEGOLM_SESSIONS_DB, MDB_CREATE);
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txn.commit();
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}
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void
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Cache::setEncryptedRoom(lmdb::txn &txn, const std::string &room_id)
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{
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nhlog::db()->info("mark room {} as encrypted", room_id);
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auto db = lmdb::dbi::open(txn, ENCRYPTED_ROOMS_DB, MDB_CREATE);
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lmdb::dbi_put(txn, db, lmdb::val(room_id), lmdb::val("0"));
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}
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bool
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Cache::isRoomEncrypted(const std::string &room_id)
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{
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lmdb::val unused;
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auto txn = lmdb::txn::begin(env_);
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auto db = lmdb::dbi::open(txn, ENCRYPTED_ROOMS_DB, MDB_CREATE);
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auto res = lmdb::dbi_get(txn, db, lmdb::val(room_id), unused);
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txn.commit();
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return res;
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}
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mtx::crypto::ExportedSessionKeys
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Cache::exportSessionKeys()
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{
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using namespace mtx::crypto;
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ExportedSessionKeys keys;
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auto txn = lmdb::txn::begin(env_, nullptr, MDB_RDONLY);
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auto cursor = lmdb::cursor::open(txn, inboundMegolmSessionDb_);
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std::string key, value;
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while (cursor.get(key, value, MDB_NEXT)) {
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ExportedSession exported;
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MegolmSessionIndex index;
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auto saved_session = unpickle<InboundSessionObject>(value, SECRET);
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try {
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index = nlohmann::json::parse(key).get<MegolmSessionIndex>();
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} catch (const nlohmann::json::exception &e) {
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nhlog::db()->critical("failed to export megolm session: {}", e.what());
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continue;
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}
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exported.room_id = index.room_id;
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exported.sender_key = index.sender_key;
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exported.session_id = index.session_id;
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exported.session_key = export_session(saved_session.get());
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keys.sessions.push_back(exported);
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}
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cursor.close();
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txn.commit();
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return keys;
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}
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void
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Cache::importSessionKeys(const mtx::crypto::ExportedSessionKeys &keys)
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{
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for (const auto &s : keys.sessions) {
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MegolmSessionIndex index;
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index.room_id = s.room_id;
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index.session_id = s.session_id;
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index.sender_key = s.sender_key;
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auto exported_session = mtx::crypto::import_session(s.session_key);
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saveInboundMegolmSession(index, std::move(exported_session));
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}
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}
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//
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// Session Management
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//
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void
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Cache::saveInboundMegolmSession(const MegolmSessionIndex &index,
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mtx::crypto::InboundGroupSessionPtr session)
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{
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using namespace mtx::crypto;
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const auto key = json(index).dump();
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const auto pickled = pickle<InboundSessionObject>(session.get(), SECRET);
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auto txn = lmdb::txn::begin(env_);
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lmdb::dbi_put(txn, inboundMegolmSessionDb_, lmdb::val(key), lmdb::val(pickled));
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txn.commit();
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{
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std::unique_lock<std::mutex> lock(session_storage.group_inbound_mtx);
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session_storage.group_inbound_sessions[key] = std::move(session);
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}
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}
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OlmInboundGroupSession *
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Cache::getInboundMegolmSession(const MegolmSessionIndex &index)
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{
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std::unique_lock<std::mutex> lock(session_storage.group_inbound_mtx);
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return session_storage.group_inbound_sessions[json(index).dump()].get();
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}
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bool
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Cache::inboundMegolmSessionExists(const MegolmSessionIndex &index)
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{
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std::unique_lock<std::mutex> lock(session_storage.group_inbound_mtx);
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return session_storage.group_inbound_sessions.find(json(index).dump()) !=
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session_storage.group_inbound_sessions.end();
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}
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void
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Cache::updateOutboundMegolmSession(const std::string &room_id, int message_index)
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{
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using namespace mtx::crypto;
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if (!outboundMegolmSessionExists(room_id))
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return;
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OutboundGroupSessionData data;
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OlmOutboundGroupSession *session;
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{
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std::unique_lock<std::mutex> lock(session_storage.group_outbound_mtx);
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data = session_storage.group_outbound_session_data[room_id];
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session = session_storage.group_outbound_sessions[room_id].get();
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// Update with the current message.
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data.message_index = message_index;
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session_storage.group_outbound_session_data[room_id] = data;
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}
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// Save the updated pickled data for the session.
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json j;
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j["data"] = data;
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j["session"] = pickle<OutboundSessionObject>(session, SECRET);
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auto txn = lmdb::txn::begin(env_);
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lmdb::dbi_put(txn, outboundMegolmSessionDb_, lmdb::val(room_id), lmdb::val(j.dump()));
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txn.commit();
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}
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void
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Cache::saveOutboundMegolmSession(const std::string &room_id,
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const OutboundGroupSessionData &data,
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mtx::crypto::OutboundGroupSessionPtr session)
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{
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using namespace mtx::crypto;
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const auto pickled = pickle<OutboundSessionObject>(session.get(), SECRET);
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json j;
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j["data"] = data;
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j["session"] = pickled;
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auto txn = lmdb::txn::begin(env_);
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lmdb::dbi_put(txn, outboundMegolmSessionDb_, lmdb::val(room_id), lmdb::val(j.dump()));
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txn.commit();
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{
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std::unique_lock<std::mutex> lock(session_storage.group_outbound_mtx);
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session_storage.group_outbound_session_data[room_id] = data;
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session_storage.group_outbound_sessions[room_id] = std::move(session);
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}
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}
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bool
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Cache::outboundMegolmSessionExists(const std::string &room_id) noexcept
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{
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std::unique_lock<std::mutex> lock(session_storage.group_outbound_mtx);
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return (session_storage.group_outbound_sessions.find(room_id) !=
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session_storage.group_outbound_sessions.end()) &&
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(session_storage.group_outbound_session_data.find(room_id) !=
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session_storage.group_outbound_session_data.end());
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}
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OutboundGroupSessionDataRef
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Cache::getOutboundMegolmSession(const std::string &room_id)
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{
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std::unique_lock<std::mutex> lock(session_storage.group_outbound_mtx);
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return OutboundGroupSessionDataRef{session_storage.group_outbound_sessions[room_id].get(),
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session_storage.group_outbound_session_data[room_id]};
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}
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//
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// OLM sessions.
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//
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void
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Cache::saveOlmSession(const std::string &curve25519, mtx::crypto::OlmSessionPtr session)
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{
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using namespace mtx::crypto;
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auto txn = lmdb::txn::begin(env_);
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auto db = getOlmSessionsDb(txn, curve25519);
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const auto pickled = pickle<SessionObject>(session.get(), SECRET);
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const auto session_id = mtx::crypto::session_id(session.get());
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lmdb::dbi_put(txn, db, lmdb::val(session_id), lmdb::val(pickled));
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txn.commit();
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}
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boost::optional<mtx::crypto::OlmSessionPtr>
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Cache::getOlmSession(const std::string &curve25519, const std::string &session_id)
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{
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using namespace mtx::crypto;
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auto txn = lmdb::txn::begin(env_);
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auto db = getOlmSessionsDb(txn, curve25519);
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lmdb::val pickled;
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bool found = lmdb::dbi_get(txn, db, lmdb::val(session_id), pickled);
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txn.commit();
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if (found) {
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auto data = std::string(pickled.data(), pickled.size());
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return unpickle<SessionObject>(data, SECRET);
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}
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return boost::none;
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}
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std::vector<std::string>
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Cache::getOlmSessions(const std::string &curve25519)
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{
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using namespace mtx::crypto;
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auto txn = lmdb::txn::begin(env_);
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auto db = getOlmSessionsDb(txn, curve25519);
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std::string session_id, unused;
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std::vector<std::string> res;
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auto cursor = lmdb::cursor::open(txn, db);
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while (cursor.get(session_id, unused, MDB_NEXT))
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res.emplace_back(session_id);
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cursor.close();
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txn.commit();
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return res;
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}
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void
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Cache::saveOlmAccount(const std::string &data)
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{
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auto txn = lmdb::txn::begin(env_);
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lmdb::dbi_put(txn, syncStateDb_, OLM_ACCOUNT_KEY, lmdb::val(data));
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txn.commit();
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}
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void
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Cache::restoreSessions()
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{
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using namespace mtx::crypto;
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auto txn = lmdb::txn::begin(env_, nullptr, MDB_RDONLY);
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std::string key, value;
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//
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// Inbound Megolm Sessions
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//
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{
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auto cursor = lmdb::cursor::open(txn, inboundMegolmSessionDb_);
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while (cursor.get(key, value, MDB_NEXT)) {
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auto session = unpickle<InboundSessionObject>(value, SECRET);
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session_storage.group_inbound_sessions[key] = std::move(session);
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}
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cursor.close();
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}
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//
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// Outbound Megolm Sessions
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//
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{
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auto cursor = lmdb::cursor::open(txn, outboundMegolmSessionDb_);
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while (cursor.get(key, value, MDB_NEXT)) {
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json obj;
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try {
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obj = json::parse(value);
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session_storage.group_outbound_session_data[key] =
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obj.at("data").get<OutboundGroupSessionData>();
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auto session =
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unpickle<OutboundSessionObject>(obj.at("session"), SECRET);
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session_storage.group_outbound_sessions[key] = std::move(session);
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} catch (const nlohmann::json::exception &e) {
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nhlog::db()->critical(
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"failed to parse outbound megolm session data: {}", e.what());
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}
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}
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cursor.close();
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}
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|
txn.commit();
|
|
|
|
nhlog::db()->info("sessions restored");
|
|
}
|
|
|
|
std::string
|
|
Cache::restoreOlmAccount()
|
|
{
|
|
auto txn = lmdb::txn::begin(env_, nullptr, MDB_RDONLY);
|
|
lmdb::val pickled;
|
|
lmdb::dbi_get(txn, syncStateDb_, OLM_ACCOUNT_KEY, pickled);
|
|
txn.commit();
|
|
|
|
return std::string(pickled.data(), pickled.size());
|
|
}
|
|
|
|
//
|
|
// Media Management
|
|
//
|
|
|
|
void
|
|
Cache::saveImage(const std::string &url, const std::string &img_data)
|
|
{
|
|
if (url.empty() || img_data.empty())
|
|
return;
|
|
|
|
try {
|
|
auto txn = lmdb::txn::begin(env_);
|
|
|
|
lmdb::dbi_put(txn,
|
|
mediaDb_,
|
|
lmdb::val(url.data(), url.size()),
|
|
lmdb::val(img_data.data(), img_data.size()));
|
|
|
|
txn.commit();
|
|
} catch (const lmdb::error &e) {
|
|
nhlog::db()->critical("saveImage: {}", e.what());
|
|
}
|
|
}
|
|
|
|
void
|
|
Cache::saveImage(const QString &url, const QByteArray &image)
|
|
{
|
|
saveImage(url.toStdString(), std::string(image.constData(), image.length()));
|
|
}
|
|
|
|
QByteArray
|
|
Cache::image(lmdb::txn &txn, const std::string &url) const
|
|
{
|
|
if (url.empty())
|
|
return QByteArray();
|
|
|
|
try {
|
|
lmdb::val image;
|
|
bool res = lmdb::dbi_get(txn, mediaDb_, lmdb::val(url), image);
|
|
|
|
if (!res)
|
|
return QByteArray();
|
|
|
|
return QByteArray(image.data(), image.size());
|
|
} catch (const lmdb::error &e) {
|
|
nhlog::db()->critical("image: {}, {}", e.what(), url);
|
|
}
|
|
|
|
return QByteArray();
|
|
}
|
|
|
|
QByteArray
|
|
Cache::image(const QString &url) const
|
|
{
|
|
if (url.isEmpty())
|
|
return QByteArray();
|
|
|
|
auto key = url.toUtf8();
|
|
|
|
try {
|
|
auto txn = lmdb::txn::begin(env_, nullptr, MDB_RDONLY);
|
|
|
|
lmdb::val image;
|
|
|
|
bool res = lmdb::dbi_get(txn, mediaDb_, lmdb::val(key.data(), key.size()), image);
|
|
|
|
txn.commit();
|
|
|
|
if (!res)
|
|
return QByteArray();
|
|
|
|
return QByteArray(image.data(), image.size());
|
|
} catch (const lmdb::error &e) {
|
|
nhlog::db()->critical("image: {} {}", e.what(), url.toStdString());
|
|
}
|
|
|
|
return QByteArray();
|
|
}
|
|
|
|
void
|
|
Cache::removeInvite(lmdb::txn &txn, const std::string &room_id)
|
|
{
|
|
lmdb::dbi_del(txn, invitesDb_, lmdb::val(room_id), nullptr);
|
|
lmdb::dbi_drop(txn, getInviteStatesDb(txn, room_id), true);
|
|
lmdb::dbi_drop(txn, getInviteMembersDb(txn, room_id), true);
|
|
}
|
|
|
|
void
|
|
Cache::removeInvite(const std::string &room_id)
|
|
{
|
|
auto txn = lmdb::txn::begin(env_);
|
|
removeInvite(txn, room_id);
|
|
txn.commit();
|
|
}
|
|
|
|
void
|
|
Cache::removeRoom(lmdb::txn &txn, const std::string &roomid)
|
|
{
|
|
lmdb::dbi_del(txn, roomsDb_, lmdb::val(roomid), nullptr);
|
|
lmdb::dbi_drop(txn, getStatesDb(txn, roomid), true);
|
|
lmdb::dbi_drop(txn, getMembersDb(txn, roomid), true);
|
|
}
|
|
|
|
void
|
|
Cache::removeRoom(const std::string &roomid)
|
|
{
|
|
auto txn = lmdb::txn::begin(env_, nullptr, 0);
|
|
lmdb::dbi_del(txn, roomsDb_, lmdb::val(roomid), nullptr);
|
|
txn.commit();
|
|
}
|
|
|
|
void
|
|
Cache::setNextBatchToken(lmdb::txn &txn, const std::string &token)
|
|
{
|
|
lmdb::dbi_put(txn, syncStateDb_, NEXT_BATCH_KEY, lmdb::val(token.data(), token.size()));
|
|
}
|
|
|
|
void
|
|
Cache::setNextBatchToken(lmdb::txn &txn, const QString &token)
|
|
{
|
|
setNextBatchToken(txn, token.toStdString());
|
|
}
|
|
|
|
bool
|
|
Cache::isInitialized() const
|
|
{
|
|
auto txn = lmdb::txn::begin(env_, nullptr, MDB_RDONLY);
|
|
lmdb::val token;
|
|
|
|
bool res = lmdb::dbi_get(txn, syncStateDb_, NEXT_BATCH_KEY, token);
|
|
|
|
txn.commit();
|
|
|
|
return res;
|
|
}
|
|
|
|
std::string
|
|
Cache::nextBatchToken() const
|
|
{
|
|
auto txn = lmdb::txn::begin(env_, nullptr, MDB_RDONLY);
|
|
lmdb::val token;
|
|
|
|
lmdb::dbi_get(txn, syncStateDb_, NEXT_BATCH_KEY, token);
|
|
|
|
txn.commit();
|
|
|
|
return std::string(token.data(), token.size());
|
|
}
|
|
|
|
void
|
|
Cache::deleteData()
|
|
{
|
|
// TODO: We need to remove the env_ while not accepting new requests.
|
|
if (!cacheDirectory_.isEmpty()) {
|
|
QDir(cacheDirectory_).removeRecursively();
|
|
nhlog::db()->info("deleted cache files from disk");
|
|
}
|
|
}
|
|
|
|
bool
|
|
Cache::isFormatValid()
|
|
{
|
|
auto txn = lmdb::txn::begin(env_, nullptr, MDB_RDONLY);
|
|
|
|
lmdb::val current_version;
|
|
bool res = lmdb::dbi_get(txn, syncStateDb_, CACHE_FORMAT_VERSION_KEY, current_version);
|
|
|
|
txn.commit();
|
|
|
|
if (!res)
|
|
return false;
|
|
|
|
std::string stored_version(current_version.data(), current_version.size());
|
|
|
|
if (stored_version != CURRENT_CACHE_FORMAT_VERSION) {
|
|
nhlog::db()->warn("breaking changes in the cache format. stored: {}, current: {}",
|
|
stored_version,
|
|
CURRENT_CACHE_FORMAT_VERSION);
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
void
|
|
Cache::setCurrentFormat()
|
|
{
|
|
auto txn = lmdb::txn::begin(env_);
|
|
|
|
lmdb::dbi_put(
|
|
txn,
|
|
syncStateDb_,
|
|
CACHE_FORMAT_VERSION_KEY,
|
|
lmdb::val(CURRENT_CACHE_FORMAT_VERSION.data(), CURRENT_CACHE_FORMAT_VERSION.size()));
|
|
|
|
txn.commit();
|
|
}
|
|
|
|
std::vector<QString>
|
|
Cache::pendingReceiptsEvents(lmdb::txn &txn, const std::string &room_id)
|
|
{
|
|
auto db = getPendingReceiptsDb(txn);
|
|
|
|
std::string key, unused;
|
|
std::vector<QString> pending;
|
|
|
|
auto cursor = lmdb::cursor::open(txn, db);
|
|
while (cursor.get(key, unused, MDB_NEXT)) {
|
|
ReadReceiptKey receipt;
|
|
try {
|
|
receipt = json::parse(key);
|
|
} catch (const nlohmann::json::exception &e) {
|
|
nhlog::db()->warn("pendingReceiptsEvents: {}", e.what());
|
|
continue;
|
|
}
|
|
|
|
if (receipt.room_id == room_id)
|
|
pending.emplace_back(QString::fromStdString(receipt.event_id));
|
|
}
|
|
|
|
cursor.close();
|
|
|
|
return pending;
|
|
}
|
|
|
|
void
|
|
Cache::removePendingReceipt(lmdb::txn &txn, const std::string &room_id, const std::string &event_id)
|
|
{
|
|
auto db = getPendingReceiptsDb(txn);
|
|
|
|
ReadReceiptKey receipt_key{event_id, room_id};
|
|
auto key = json(receipt_key).dump();
|
|
|
|
try {
|
|
lmdb::dbi_del(txn, db, lmdb::val(key.data(), key.size()), nullptr);
|
|
} catch (const lmdb::error &e) {
|
|
nhlog::db()->critical("removePendingReceipt: {}", e.what());
|
|
}
|
|
}
|
|
|
|
void
|
|
Cache::addPendingReceipt(const QString &room_id, const QString &event_id)
|
|
{
|
|
auto txn = lmdb::txn::begin(env_);
|
|
auto db = getPendingReceiptsDb(txn);
|
|
|
|
ReadReceiptKey receipt_key{event_id.toStdString(), room_id.toStdString()};
|
|
auto key = json(receipt_key).dump();
|
|
std::string empty;
|
|
|
|
try {
|
|
lmdb::dbi_put(txn,
|
|
db,
|
|
lmdb::val(key.data(), key.size()),
|
|
lmdb::val(empty.data(), empty.size()));
|
|
} catch (const lmdb::error &e) {
|
|
nhlog::db()->critical("addPendingReceipt: {}", e.what());
|
|
}
|
|
|
|
txn.commit();
|
|
}
|
|
|
|
CachedReceipts
|
|
Cache::readReceipts(const QString &event_id, const QString &room_id)
|
|
{
|
|
CachedReceipts receipts;
|
|
|
|
ReadReceiptKey receipt_key{event_id.toStdString(), room_id.toStdString()};
|
|
nlohmann::json json_key = receipt_key;
|
|
|
|
try {
|
|
auto txn = lmdb::txn::begin(env_, nullptr, MDB_RDONLY);
|
|
auto key = json_key.dump();
|
|
|
|
lmdb::val value;
|
|
|
|
bool res =
|
|
lmdb::dbi_get(txn, readReceiptsDb_, lmdb::val(key.data(), key.size()), value);
|
|
|
|
txn.commit();
|
|
|
|
if (res) {
|
|
auto json_response = json::parse(std::string(value.data(), value.size()));
|
|
auto values = json_response.get<std::map<std::string, uint64_t>>();
|
|
|
|
for (const auto &v : values)
|
|
// timestamp, user_id
|
|
receipts.emplace(v.second, v.first);
|
|
}
|
|
|
|
} catch (const lmdb::error &e) {
|
|
nhlog::db()->critical("readReceipts: {}", e.what());
|
|
}
|
|
|
|
return receipts;
|
|
}
|
|
|
|
std::vector<QString>
|
|
Cache::filterReadEvents(const QString &room_id,
|
|
const std::vector<QString> &event_ids,
|
|
const std::string &excluded_user)
|
|
{
|
|
std::vector<QString> read_events;
|
|
|
|
for (const auto &event : event_ids) {
|
|
auto receipts = readReceipts(event, room_id);
|
|
|
|
if (receipts.size() == 0)
|
|
continue;
|
|
|
|
if (receipts.size() == 1) {
|
|
if (receipts.begin()->second == excluded_user)
|
|
continue;
|
|
}
|
|
|
|
read_events.emplace_back(event);
|
|
}
|
|
|
|
return read_events;
|
|
}
|
|
|
|
void
|
|
Cache::updateReadReceipt(lmdb::txn &txn, const std::string &room_id, const Receipts &receipts)
|
|
{
|
|
for (const auto &receipt : receipts) {
|
|
const auto event_id = receipt.first;
|
|
auto event_receipts = receipt.second;
|
|
|
|
ReadReceiptKey receipt_key{event_id, room_id};
|
|
nlohmann::json json_key = receipt_key;
|
|
|
|
try {
|
|
const auto key = json_key.dump();
|
|
|
|
lmdb::val prev_value;
|
|
|
|
bool exists = lmdb::dbi_get(
|
|
txn, readReceiptsDb_, lmdb::val(key.data(), key.size()), prev_value);
|
|
|
|
std::map<std::string, uint64_t> saved_receipts;
|
|
|
|
// If an entry for the event id already exists, we would
|
|
// merge the existing receipts with the new ones.
|
|
if (exists) {
|
|
auto json_value =
|
|
json::parse(std::string(prev_value.data(), prev_value.size()));
|
|
|
|
// Retrieve the saved receipts.
|
|
saved_receipts = json_value.get<std::map<std::string, uint64_t>>();
|
|
}
|
|
|
|
// Append the new ones.
|
|
for (const auto &event_receipt : event_receipts)
|
|
saved_receipts.emplace(event_receipt.first, event_receipt.second);
|
|
|
|
// Save back the merged (or only the new) receipts.
|
|
nlohmann::json json_updated_value = saved_receipts;
|
|
std::string merged_receipts = json_updated_value.dump();
|
|
|
|
lmdb::dbi_put(txn,
|
|
readReceiptsDb_,
|
|
lmdb::val(key.data(), key.size()),
|
|
lmdb::val(merged_receipts.data(), merged_receipts.size()));
|
|
|
|
} catch (const lmdb::error &e) {
|
|
nhlog::db()->critical("updateReadReceipts: {}", e.what());
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
Cache::notifyForReadReceipts(const std::string &room_id)
|
|
{
|
|
auto txn = lmdb::txn::begin(env_);
|
|
|
|
QSettings settings;
|
|
auto local_user = settings.value("auth/user_id").toString();
|
|
|
|
auto matches = filterReadEvents(QString::fromStdString(room_id),
|
|
pendingReceiptsEvents(txn, room_id),
|
|
local_user.toStdString());
|
|
|
|
for (const auto &m : matches)
|
|
removePendingReceipt(txn, room_id, m.toStdString());
|
|
|
|
if (!matches.empty())
|
|
emit newReadReceipts(QString::fromStdString(room_id), matches);
|
|
|
|
txn.commit();
|
|
}
|
|
|
|
void
|
|
Cache::calculateRoomReadStatus()
|
|
{
|
|
const auto joined_rooms = joinedRooms();
|
|
|
|
std::map<QString, bool> readStatus;
|
|
|
|
for (const auto &room : joined_rooms)
|
|
readStatus.emplace(QString::fromStdString(room), calculateRoomReadStatus(room));
|
|
|
|
emit roomReadStatus(readStatus);
|
|
}
|
|
|
|
bool
|
|
Cache::calculateRoomReadStatus(const std::string &room_id)
|
|
{
|
|
auto txn = lmdb::txn::begin(env_);
|
|
|
|
// Get last event id on the room.
|
|
const auto last_event_id = getLastMessageInfo(txn, room_id).event_id;
|
|
const auto localUser = utils::localUser().toStdString();
|
|
|
|
txn.commit();
|
|
|
|
// Retrieve all read receipts for that event.
|
|
const auto receipts = readReceipts(last_event_id, QString::fromStdString(room_id));
|
|
|
|
if (receipts.size() == 0)
|
|
return true;
|
|
|
|
// Check if the local user has a read receipt for it.
|
|
for (auto it = receipts.cbegin(); it != receipts.cend(); it++) {
|
|
if (it->second == localUser)
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
void
|
|
Cache::saveState(const mtx::responses::Sync &res)
|
|
{
|
|
using namespace mtx::events;
|
|
|
|
auto txn = lmdb::txn::begin(env_);
|
|
|
|
setNextBatchToken(txn, res.next_batch);
|
|
|
|
// Save joined rooms
|
|
for (const auto &room : res.rooms.join) {
|
|
auto statesdb = getStatesDb(txn, room.first);
|
|
auto membersdb = getMembersDb(txn, room.first);
|
|
|
|
saveStateEvents(txn, statesdb, membersdb, room.first, room.second.state.events);
|
|
saveStateEvents(txn, statesdb, membersdb, room.first, room.second.timeline.events);
|
|
|
|
saveTimelineMessages(txn, room.first, room.second.timeline);
|
|
|
|
RoomInfo updatedInfo;
|
|
updatedInfo.name = getRoomName(txn, statesdb, membersdb).toStdString();
|
|
updatedInfo.topic = getRoomTopic(txn, statesdb).toStdString();
|
|
updatedInfo.avatar_url =
|
|
getRoomAvatarUrl(txn, statesdb, membersdb, QString::fromStdString(room.first))
|
|
.toStdString();
|
|
updatedInfo.version = getRoomVersion(txn, statesdb).toStdString();
|
|
|
|
// Process the account_data associated with this room
|
|
bool has_new_tags = false;
|
|
for (const auto &evt : room.second.account_data.events) {
|
|
// for now only fetch tag events
|
|
if (evt.type() == typeid(Event<account_data::Tag>)) {
|
|
auto tags_evt = boost::get<Event<account_data::Tag>>(evt);
|
|
has_new_tags = true;
|
|
for (const auto &tag : tags_evt.content.tags) {
|
|
updatedInfo.tags.push_back(tag.first);
|
|
}
|
|
}
|
|
}
|
|
if (!has_new_tags) {
|
|
// retrieve the old tags, they haven't changed
|
|
lmdb::val data;
|
|
if (lmdb::dbi_get(txn, roomsDb_, lmdb::val(room.first), data)) {
|
|
try {
|
|
RoomInfo tmp =
|
|
json::parse(std::string(data.data(), data.size()));
|
|
updatedInfo.tags = tmp.tags;
|
|
} catch (const json::exception &e) {
|
|
nhlog::db()->warn(
|
|
"failed to parse room info: room_id ({}), {}",
|
|
room.first,
|
|
std::string(data.data(), data.size()));
|
|
}
|
|
}
|
|
}
|
|
|
|
lmdb::dbi_put(
|
|
txn, roomsDb_, lmdb::val(room.first), lmdb::val(json(updatedInfo).dump()));
|
|
|
|
updateReadReceipt(txn, room.first, room.second.ephemeral.receipts);
|
|
|
|
// Clean up non-valid invites.
|
|
removeInvite(txn, room.first);
|
|
}
|
|
|
|
saveInvites(txn, res.rooms.invite);
|
|
|
|
removeLeftRooms(txn, res.rooms.leave);
|
|
|
|
txn.commit();
|
|
|
|
std::map<QString, bool> readStatus;
|
|
|
|
for (const auto &room : res.rooms.join) {
|
|
notifyForReadReceipts(room.first);
|
|
readStatus.emplace(QString::fromStdString(room.first),
|
|
calculateRoomReadStatus(room.first));
|
|
}
|
|
|
|
emit roomReadStatus(readStatus);
|
|
}
|
|
|
|
void
|
|
Cache::saveInvites(lmdb::txn &txn, const std::map<std::string, mtx::responses::InvitedRoom> &rooms)
|
|
{
|
|
for (const auto &room : rooms) {
|
|
auto statesdb = getInviteStatesDb(txn, room.first);
|
|
auto membersdb = getInviteMembersDb(txn, room.first);
|
|
|
|
saveInvite(txn, statesdb, membersdb, room.second);
|
|
|
|
RoomInfo updatedInfo;
|
|
updatedInfo.name = getInviteRoomName(txn, statesdb, membersdb).toStdString();
|
|
updatedInfo.topic = getInviteRoomTopic(txn, statesdb).toStdString();
|
|
updatedInfo.avatar_url =
|
|
getInviteRoomAvatarUrl(txn, statesdb, membersdb).toStdString();
|
|
updatedInfo.is_invite = true;
|
|
|
|
lmdb::dbi_put(
|
|
txn, invitesDb_, lmdb::val(room.first), lmdb::val(json(updatedInfo).dump()));
|
|
}
|
|
}
|
|
|
|
void
|
|
Cache::saveInvite(lmdb::txn &txn,
|
|
lmdb::dbi &statesdb,
|
|
lmdb::dbi &membersdb,
|
|
const mtx::responses::InvitedRoom &room)
|
|
{
|
|
using namespace mtx::events;
|
|
using namespace mtx::events::state;
|
|
|
|
for (const auto &e : room.invite_state) {
|
|
if (boost::get<StrippedEvent<Member>>(&e) != nullptr) {
|
|
auto msg = boost::get<StrippedEvent<Member>>(e);
|
|
|
|
auto display_name = msg.content.display_name.empty()
|
|
? msg.state_key
|
|
: msg.content.display_name;
|
|
|
|
MemberInfo tmp{display_name, msg.content.avatar_url};
|
|
|
|
lmdb::dbi_put(
|
|
txn, membersdb, lmdb::val(msg.state_key), lmdb::val(json(tmp).dump()));
|
|
} else {
|
|
boost::apply_visitor(
|
|
[&txn, &statesdb](auto msg) {
|
|
bool res = lmdb::dbi_put(txn,
|
|
statesdb,
|
|
lmdb::val(to_string(msg.type)),
|
|
lmdb::val(json(msg).dump()));
|
|
|
|
if (!res)
|
|
std::cout << "couldn't save data" << json(msg).dump()
|
|
<< '\n';
|
|
},
|
|
e);
|
|
}
|
|
}
|
|
}
|
|
|
|
std::vector<std::string>
|
|
Cache::roomsWithStateUpdates(const mtx::responses::Sync &res)
|
|
{
|
|
std::vector<std::string> rooms;
|
|
for (const auto &room : res.rooms.join) {
|
|
bool hasUpdates = false;
|
|
for (const auto &s : room.second.state.events) {
|
|
if (containsStateUpdates(s)) {
|
|
hasUpdates = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
for (const auto &s : room.second.timeline.events) {
|
|
if (containsStateUpdates(s)) {
|
|
hasUpdates = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (hasUpdates)
|
|
rooms.emplace_back(room.first);
|
|
}
|
|
|
|
for (const auto &room : res.rooms.invite) {
|
|
for (const auto &s : room.second.invite_state) {
|
|
if (containsStateUpdates(s)) {
|
|
rooms.emplace_back(room.first);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
return rooms;
|
|
}
|
|
|
|
std::vector<std::string>
|
|
Cache::roomsWithTagUpdates(const mtx::responses::Sync &res)
|
|
{
|
|
using namespace mtx::events;
|
|
|
|
std::vector<std::string> rooms;
|
|
for (const auto &room : res.rooms.join) {
|
|
bool hasUpdates = false;
|
|
for (const auto &evt : room.second.account_data.events) {
|
|
if (evt.type() == typeid(Event<account_data::Tag>)) {
|
|
hasUpdates = true;
|
|
}
|
|
}
|
|
|
|
if (hasUpdates)
|
|
rooms.emplace_back(room.first);
|
|
}
|
|
|
|
return rooms;
|
|
}
|
|
|
|
RoomInfo
|
|
Cache::singleRoomInfo(const std::string &room_id)
|
|
{
|
|
auto txn = lmdb::txn::begin(env_, nullptr, MDB_RDONLY);
|
|
auto statesdb = getStatesDb(txn, room_id);
|
|
|
|
lmdb::val data;
|
|
|
|
// Check if the room is joined.
|
|
if (lmdb::dbi_get(txn, roomsDb_, lmdb::val(room_id), data)) {
|
|
try {
|
|
RoomInfo tmp = json::parse(std::string(data.data(), data.size()));
|
|
tmp.member_count = getMembersDb(txn, room_id).size(txn);
|
|
tmp.join_rule = getRoomJoinRule(txn, statesdb);
|
|
tmp.guest_access = getRoomGuestAccess(txn, statesdb);
|
|
|
|
txn.commit();
|
|
|
|
return tmp;
|
|
} catch (const json::exception &e) {
|
|
nhlog::db()->warn("failed to parse room info: room_id ({}), {}",
|
|
room_id,
|
|
std::string(data.data(), data.size()));
|
|
}
|
|
}
|
|
|
|
txn.commit();
|
|
|
|
return RoomInfo();
|
|
}
|
|
|
|
std::map<QString, RoomInfo>
|
|
Cache::getRoomInfo(const std::vector<std::string> &rooms)
|
|
{
|
|
std::map<QString, RoomInfo> room_info;
|
|
|
|
// TODO This should be read only.
|
|
auto txn = lmdb::txn::begin(env_);
|
|
|
|
for (const auto &room : rooms) {
|
|
lmdb::val data;
|
|
auto statesdb = getStatesDb(txn, room);
|
|
|
|
// Check if the room is joined.
|
|
if (lmdb::dbi_get(txn, roomsDb_, lmdb::val(room), data)) {
|
|
try {
|
|
RoomInfo tmp = json::parse(std::string(data.data(), data.size()));
|
|
tmp.member_count = getMembersDb(txn, room).size(txn);
|
|
tmp.join_rule = getRoomJoinRule(txn, statesdb);
|
|
tmp.guest_access = getRoomGuestAccess(txn, statesdb);
|
|
|
|
room_info.emplace(QString::fromStdString(room), std::move(tmp));
|
|
} catch (const json::exception &e) {
|
|
nhlog::db()->warn("failed to parse room info: room_id ({}), {}",
|
|
room,
|
|
std::string(data.data(), data.size()));
|
|
}
|
|
} else {
|
|
// Check if the room is an invite.
|
|
if (lmdb::dbi_get(txn, invitesDb_, lmdb::val(room), data)) {
|
|
try {
|
|
RoomInfo tmp =
|
|
json::parse(std::string(data.data(), data.size()));
|
|
tmp.member_count = getInviteMembersDb(txn, room).size(txn);
|
|
|
|
room_info.emplace(QString::fromStdString(room),
|
|
std::move(tmp));
|
|
} catch (const json::exception &e) {
|
|
nhlog::db()->warn(
|
|
"failed to parse room info for invite: room_id ({}), {}",
|
|
room,
|
|
std::string(data.data(), data.size()));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
txn.commit();
|
|
|
|
return room_info;
|
|
}
|
|
|
|
std::map<QString, mtx::responses::Timeline>
|
|
Cache::roomMessages()
|
|
{
|
|
auto txn = lmdb::txn::begin(env_, nullptr, MDB_RDONLY);
|
|
|
|
std::map<QString, mtx::responses::Timeline> msgs;
|
|
std::string room_id, unused;
|
|
|
|
auto roomsCursor = lmdb::cursor::open(txn, roomsDb_);
|
|
while (roomsCursor.get(room_id, unused, MDB_NEXT))
|
|
msgs.emplace(QString::fromStdString(room_id), mtx::responses::Timeline());
|
|
|
|
roomsCursor.close();
|
|
txn.commit();
|
|
|
|
return msgs;
|
|
}
|
|
|
|
std::map<QString, mtx::responses::Notifications>
|
|
Cache::getTimelineMentions()
|
|
{
|
|
// TODO: Should be read-only, but getMentionsDb will attempt to create a DB
|
|
// if it doesn't exist, throwing an error.
|
|
auto txn = lmdb::txn::begin(env_, nullptr);
|
|
|
|
std::map<QString, mtx::responses::Notifications> notifs;
|
|
|
|
auto room_ids = getRoomIds(txn);
|
|
|
|
for (const auto &room_id : room_ids) {
|
|
auto roomNotifs = getTimelineMentionsForRoom(txn, room_id);
|
|
notifs.emplace(QString::fromStdString(room_id), roomNotifs);
|
|
}
|
|
|
|
txn.commit();
|
|
|
|
return notifs;
|
|
}
|
|
|
|
|
|
mtx::responses::Timeline
|
|
Cache::getTimelineMessages(lmdb::txn &txn, const std::string &room_id)
|
|
{
|
|
auto db = getMessagesDb(txn, room_id);
|
|
|
|
mtx::responses::Timeline timeline;
|
|
std::string timestamp, msg;
|
|
|
|
auto cursor = lmdb::cursor::open(txn, db);
|
|
|
|
size_t index = 0;
|
|
|
|
while (cursor.get(timestamp, msg, MDB_NEXT) && index < MAX_RESTORED_MESSAGES) {
|
|
auto obj = json::parse(msg);
|
|
|
|
if (obj.count("event") == 0 || obj.count("token") == 0)
|
|
continue;
|
|
|
|
mtx::events::collections::TimelineEvent event;
|
|
mtx::events::collections::from_json(obj.at("event"), event);
|
|
|
|
index += 1;
|
|
|
|
timeline.events.push_back(event.data);
|
|
timeline.prev_batch = obj.at("token").get<std::string>();
|
|
}
|
|
cursor.close();
|
|
|
|
std::reverse(timeline.events.begin(), timeline.events.end());
|
|
|
|
return timeline;
|
|
}
|
|
|
|
QMap<QString, RoomInfo>
|
|
Cache::roomInfo(bool withInvites)
|
|
{
|
|
QMap<QString, RoomInfo> result;
|
|
|
|
auto txn = lmdb::txn::begin(env_, nullptr, MDB_RDONLY);
|
|
|
|
std::string room_id;
|
|
std::string room_data;
|
|
|
|
// Gather info about the joined rooms.
|
|
auto roomsCursor = lmdb::cursor::open(txn, roomsDb_);
|
|
while (roomsCursor.get(room_id, room_data, MDB_NEXT)) {
|
|
RoomInfo tmp = json::parse(std::move(room_data));
|
|
tmp.member_count = getMembersDb(txn, room_id).size(txn);
|
|
tmp.msgInfo = getLastMessageInfo(txn, room_id);
|
|
|
|
result.insert(QString::fromStdString(std::move(room_id)), std::move(tmp));
|
|
}
|
|
roomsCursor.close();
|
|
|
|
if (withInvites) {
|
|
// Gather info about the invites.
|
|
auto invitesCursor = lmdb::cursor::open(txn, invitesDb_);
|
|
while (invitesCursor.get(room_id, room_data, MDB_NEXT)) {
|
|
RoomInfo tmp = json::parse(room_data);
|
|
tmp.member_count = getInviteMembersDb(txn, room_id).size(txn);
|
|
result.insert(QString::fromStdString(std::move(room_id)), std::move(tmp));
|
|
}
|
|
invitesCursor.close();
|
|
}
|
|
|
|
txn.commit();
|
|
|
|
return result;
|
|
}
|
|
|
|
DescInfo
|
|
Cache::getLastMessageInfo(lmdb::txn &txn, const std::string &room_id)
|
|
{
|
|
auto db = getMessagesDb(txn, room_id);
|
|
|
|
if (db.size(txn) == 0)
|
|
return DescInfo{};
|
|
|
|
std::string timestamp, msg;
|
|
|
|
QSettings settings;
|
|
auto local_user = settings.value("auth/user_id").toString();
|
|
|
|
auto cursor = lmdb::cursor::open(txn, db);
|
|
while (cursor.get(timestamp, msg, MDB_NEXT)) {
|
|
auto obj = json::parse(msg);
|
|
|
|
if (obj.count("event") == 0)
|
|
continue;
|
|
|
|
mtx::events::collections::TimelineEvent event;
|
|
mtx::events::collections::from_json(obj.at("event"), event);
|
|
|
|
cursor.close();
|
|
return utils::getMessageDescription(
|
|
event.data, local_user, QString::fromStdString(room_id));
|
|
}
|
|
cursor.close();
|
|
|
|
return DescInfo{};
|
|
}
|
|
|
|
std::map<QString, bool>
|
|
Cache::invites()
|
|
{
|
|
std::map<QString, bool> result;
|
|
|
|
auto txn = lmdb::txn::begin(env_, nullptr, MDB_RDONLY);
|
|
auto cursor = lmdb::cursor::open(txn, invitesDb_);
|
|
|
|
std::string room_id, unused;
|
|
|
|
while (cursor.get(room_id, unused, MDB_NEXT))
|
|
result.emplace(QString::fromStdString(std::move(room_id)), true);
|
|
|
|
cursor.close();
|
|
txn.commit();
|
|
|
|
return result;
|
|
}
|
|
|
|
QString
|
|
Cache::getRoomAvatarUrl(lmdb::txn &txn,
|
|
lmdb::dbi &statesdb,
|
|
lmdb::dbi &membersdb,
|
|
const QString &room_id)
|
|
{
|
|
using namespace mtx::events;
|
|
using namespace mtx::events::state;
|
|
|
|
lmdb::val event;
|
|
bool res = lmdb::dbi_get(
|
|
txn, statesdb, lmdb::val(to_string(mtx::events::EventType::RoomAvatar)), event);
|
|
|
|
if (res) {
|
|
try {
|
|
StateEvent<Avatar> msg =
|
|
json::parse(std::string(event.data(), event.size()));
|
|
|
|
return QString::fromStdString(msg.content.url);
|
|
} catch (const json::exception &e) {
|
|
nhlog::db()->warn("failed to parse m.room.avatar event: {}", e.what());
|
|
}
|
|
}
|
|
|
|
// We don't use an avatar for group chats.
|
|
if (membersdb.size(txn) > 2)
|
|
return QString();
|
|
|
|
auto cursor = lmdb::cursor::open(txn, membersdb);
|
|
std::string user_id;
|
|
std::string member_data;
|
|
|
|
// Resolve avatar for 1-1 chats.
|
|
while (cursor.get(user_id, member_data, MDB_NEXT)) {
|
|
if (user_id == localUserId_.toStdString())
|
|
continue;
|
|
|
|
try {
|
|
MemberInfo m = json::parse(member_data);
|
|
|
|
cursor.close();
|
|
return QString::fromStdString(m.avatar_url);
|
|
} catch (const json::exception &e) {
|
|
nhlog::db()->warn("failed to parse member info: {}", e.what());
|
|
}
|
|
}
|
|
|
|
cursor.close();
|
|
|
|
// Default case when there is only one member.
|
|
return avatarUrl(room_id, localUserId_);
|
|
}
|
|
|
|
QString
|
|
Cache::getRoomName(lmdb::txn &txn, lmdb::dbi &statesdb, lmdb::dbi &membersdb)
|
|
{
|
|
using namespace mtx::events;
|
|
using namespace mtx::events::state;
|
|
|
|
lmdb::val event;
|
|
bool res = lmdb::dbi_get(
|
|
txn, statesdb, lmdb::val(to_string(mtx::events::EventType::RoomName)), event);
|
|
|
|
if (res) {
|
|
try {
|
|
StateEvent<Name> msg = json::parse(std::string(event.data(), event.size()));
|
|
|
|
if (!msg.content.name.empty())
|
|
return QString::fromStdString(msg.content.name);
|
|
} catch (const json::exception &e) {
|
|
nhlog::db()->warn("failed to parse m.room.name event: {}", e.what());
|
|
}
|
|
}
|
|
|
|
res = lmdb::dbi_get(
|
|
txn, statesdb, lmdb::val(to_string(mtx::events::EventType::RoomCanonicalAlias)), event);
|
|
|
|
if (res) {
|
|
try {
|
|
StateEvent<CanonicalAlias> msg =
|
|
json::parse(std::string(event.data(), event.size()));
|
|
|
|
if (!msg.content.alias.empty())
|
|
return QString::fromStdString(msg.content.alias);
|
|
} catch (const json::exception &e) {
|
|
nhlog::db()->warn("failed to parse m.room.canonical_alias event: {}",
|
|
e.what());
|
|
}
|
|
}
|
|
|
|
auto cursor = lmdb::cursor::open(txn, membersdb);
|
|
const int total = membersdb.size(txn);
|
|
|
|
std::size_t ii = 0;
|
|
std::string user_id;
|
|
std::string member_data;
|
|
std::map<std::string, MemberInfo> members;
|
|
|
|
while (cursor.get(user_id, member_data, MDB_NEXT) && ii < 3) {
|
|
try {
|
|
members.emplace(user_id, json::parse(member_data));
|
|
} catch (const json::exception &e) {
|
|
nhlog::db()->warn("failed to parse member info: {}", e.what());
|
|
}
|
|
|
|
ii++;
|
|
}
|
|
|
|
cursor.close();
|
|
|
|
if (total == 1 && !members.empty())
|
|
return QString::fromStdString(members.begin()->second.name);
|
|
|
|
auto first_member = [&members, this]() {
|
|
for (const auto &m : members) {
|
|
if (m.first != localUserId_.toStdString())
|
|
return QString::fromStdString(m.second.name);
|
|
}
|
|
|
|
return localUserId_;
|
|
}();
|
|
|
|
if (total == 2)
|
|
return first_member;
|
|
else if (total > 2)
|
|
return QString("%1 and %2 others").arg(first_member).arg(total);
|
|
|
|
return "Empty Room";
|
|
}
|
|
|
|
JoinRule
|
|
Cache::getRoomJoinRule(lmdb::txn &txn, lmdb::dbi &statesdb)
|
|
{
|
|
using namespace mtx::events;
|
|
using namespace mtx::events::state;
|
|
|
|
lmdb::val event;
|
|
bool res = lmdb::dbi_get(
|
|
txn, statesdb, lmdb::val(to_string(mtx::events::EventType::RoomJoinRules)), event);
|
|
|
|
if (res) {
|
|
try {
|
|
StateEvent<JoinRules> msg =
|
|
json::parse(std::string(event.data(), event.size()));
|
|
return msg.content.join_rule;
|
|
} catch (const json::exception &e) {
|
|
nhlog::db()->warn("failed to parse m.room.join_rule event: {}", e.what());
|
|
}
|
|
}
|
|
return JoinRule::Knock;
|
|
}
|
|
|
|
bool
|
|
Cache::getRoomGuestAccess(lmdb::txn &txn, lmdb::dbi &statesdb)
|
|
{
|
|
using namespace mtx::events;
|
|
using namespace mtx::events::state;
|
|
|
|
lmdb::val event;
|
|
bool res = lmdb::dbi_get(
|
|
txn, statesdb, lmdb::val(to_string(mtx::events::EventType::RoomGuestAccess)), event);
|
|
|
|
if (res) {
|
|
try {
|
|
StateEvent<GuestAccess> msg =
|
|
json::parse(std::string(event.data(), event.size()));
|
|
return msg.content.guest_access == AccessState::CanJoin;
|
|
} catch (const json::exception &e) {
|
|
nhlog::db()->warn("failed to parse m.room.guest_access event: {}",
|
|
e.what());
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
QString
|
|
Cache::getRoomTopic(lmdb::txn &txn, lmdb::dbi &statesdb)
|
|
{
|
|
using namespace mtx::events;
|
|
using namespace mtx::events::state;
|
|
|
|
lmdb::val event;
|
|
bool res = lmdb::dbi_get(
|
|
txn, statesdb, lmdb::val(to_string(mtx::events::EventType::RoomTopic)), event);
|
|
|
|
if (res) {
|
|
try {
|
|
StateEvent<Topic> msg =
|
|
json::parse(std::string(event.data(), event.size()));
|
|
|
|
if (!msg.content.topic.empty())
|
|
return QString::fromStdString(msg.content.topic);
|
|
} catch (const json::exception &e) {
|
|
nhlog::db()->warn("failed to parse m.room.topic event: {}", e.what());
|
|
}
|
|
}
|
|
|
|
return QString();
|
|
}
|
|
|
|
QString
|
|
Cache::getRoomVersion(lmdb::txn &txn, lmdb::dbi &statesdb)
|
|
{
|
|
using namespace mtx::events;
|
|
using namespace mtx::events::state;
|
|
|
|
lmdb::val event;
|
|
bool res = lmdb::dbi_get(
|
|
txn, statesdb, lmdb::val(to_string(mtx::events::EventType::RoomCreate)), event);
|
|
|
|
if (res) {
|
|
try {
|
|
StateEvent<Create> msg =
|
|
json::parse(std::string(event.data(), event.size()));
|
|
|
|
if (!msg.content.room_version.empty())
|
|
return QString::fromStdString(msg.content.room_version);
|
|
} catch (const json::exception &e) {
|
|
nhlog::db()->warn("failed to parse m.room.create event: {}", e.what());
|
|
}
|
|
}
|
|
|
|
nhlog::db()->warn("m.room.create event is missing room version, assuming version \"1\"");
|
|
return QString("1");
|
|
}
|
|
|
|
QString
|
|
Cache::getInviteRoomName(lmdb::txn &txn, lmdb::dbi &statesdb, lmdb::dbi &membersdb)
|
|
{
|
|
using namespace mtx::events;
|
|
using namespace mtx::events::state;
|
|
|
|
lmdb::val event;
|
|
bool res = lmdb::dbi_get(
|
|
txn, statesdb, lmdb::val(to_string(mtx::events::EventType::RoomName)), event);
|
|
|
|
if (res) {
|
|
try {
|
|
StrippedEvent<state::Name> msg =
|
|
json::parse(std::string(event.data(), event.size()));
|
|
return QString::fromStdString(msg.content.name);
|
|
} catch (const json::exception &e) {
|
|
nhlog::db()->warn("failed to parse m.room.name event: {}", e.what());
|
|
}
|
|
}
|
|
|
|
auto cursor = lmdb::cursor::open(txn, membersdb);
|
|
std::string user_id, member_data;
|
|
|
|
while (cursor.get(user_id, member_data, MDB_NEXT)) {
|
|
if (user_id == localUserId_.toStdString())
|
|
continue;
|
|
|
|
try {
|
|
MemberInfo tmp = json::parse(member_data);
|
|
cursor.close();
|
|
|
|
return QString::fromStdString(tmp.name);
|
|
} catch (const json::exception &e) {
|
|
nhlog::db()->warn("failed to parse member info: {}", e.what());
|
|
}
|
|
}
|
|
|
|
cursor.close();
|
|
|
|
return QString("Empty Room");
|
|
}
|
|
|
|
QString
|
|
Cache::getInviteRoomAvatarUrl(lmdb::txn &txn, lmdb::dbi &statesdb, lmdb::dbi &membersdb)
|
|
{
|
|
using namespace mtx::events;
|
|
using namespace mtx::events::state;
|
|
|
|
lmdb::val event;
|
|
bool res = lmdb::dbi_get(
|
|
txn, statesdb, lmdb::val(to_string(mtx::events::EventType::RoomAvatar)), event);
|
|
|
|
if (res) {
|
|
try {
|
|
StrippedEvent<state::Avatar> msg =
|
|
json::parse(std::string(event.data(), event.size()));
|
|
return QString::fromStdString(msg.content.url);
|
|
} catch (const json::exception &e) {
|
|
nhlog::db()->warn("failed to parse m.room.avatar event: {}", e.what());
|
|
}
|
|
}
|
|
|
|
auto cursor = lmdb::cursor::open(txn, membersdb);
|
|
std::string user_id, member_data;
|
|
|
|
while (cursor.get(user_id, member_data, MDB_NEXT)) {
|
|
if (user_id == localUserId_.toStdString())
|
|
continue;
|
|
|
|
try {
|
|
MemberInfo tmp = json::parse(member_data);
|
|
cursor.close();
|
|
|
|
return QString::fromStdString(tmp.avatar_url);
|
|
} catch (const json::exception &e) {
|
|
nhlog::db()->warn("failed to parse member info: {}", e.what());
|
|
}
|
|
}
|
|
|
|
cursor.close();
|
|
|
|
return QString();
|
|
}
|
|
|
|
QString
|
|
Cache::getInviteRoomTopic(lmdb::txn &txn, lmdb::dbi &db)
|
|
{
|
|
using namespace mtx::events;
|
|
using namespace mtx::events::state;
|
|
|
|
lmdb::val event;
|
|
bool res =
|
|
lmdb::dbi_get(txn, db, lmdb::val(to_string(mtx::events::EventType::RoomTopic)), event);
|
|
|
|
if (res) {
|
|
try {
|
|
StrippedEvent<Topic> msg =
|
|
json::parse(std::string(event.data(), event.size()));
|
|
return QString::fromStdString(msg.content.topic);
|
|
} catch (const json::exception &e) {
|
|
nhlog::db()->warn("failed to parse m.room.topic event: {}", e.what());
|
|
}
|
|
}
|
|
|
|
return QString();
|
|
}
|
|
|
|
QImage
|
|
Cache::getRoomAvatar(const QString &room_id)
|
|
{
|
|
return getRoomAvatar(room_id.toStdString());
|
|
}
|
|
|
|
QImage
|
|
Cache::getRoomAvatar(const std::string &room_id)
|
|
{
|
|
auto txn = lmdb::txn::begin(env_, nullptr, MDB_RDONLY);
|
|
|
|
lmdb::val response;
|
|
|
|
if (!lmdb::dbi_get(txn, roomsDb_, lmdb::val(room_id), response)) {
|
|
txn.commit();
|
|
return QImage();
|
|
}
|
|
|
|
std::string media_url;
|
|
|
|
try {
|
|
RoomInfo info = json::parse(std::string(response.data(), response.size()));
|
|
media_url = std::move(info.avatar_url);
|
|
|
|
if (media_url.empty()) {
|
|
txn.commit();
|
|
return QImage();
|
|
}
|
|
} catch (const json::exception &e) {
|
|
nhlog::db()->warn("failed to parse room info: {}, {}",
|
|
e.what(),
|
|
std::string(response.data(), response.size()));
|
|
}
|
|
|
|
if (!lmdb::dbi_get(txn, mediaDb_, lmdb::val(media_url), response)) {
|
|
txn.commit();
|
|
return QImage();
|
|
}
|
|
|
|
txn.commit();
|
|
|
|
return QImage::fromData(QByteArray(response.data(), response.size()));
|
|
}
|
|
|
|
std::vector<std::string>
|
|
Cache::joinedRooms()
|
|
{
|
|
auto txn = lmdb::txn::begin(env_, nullptr, MDB_RDONLY);
|
|
auto roomsCursor = lmdb::cursor::open(txn, roomsDb_);
|
|
|
|
std::string id, data;
|
|
std::vector<std::string> room_ids;
|
|
|
|
// Gather the room ids for the joined rooms.
|
|
while (roomsCursor.get(id, data, MDB_NEXT))
|
|
room_ids.emplace_back(id);
|
|
|
|
roomsCursor.close();
|
|
txn.commit();
|
|
|
|
return room_ids;
|
|
}
|
|
|
|
void
|
|
Cache::populateMembers()
|
|
{
|
|
auto rooms = joinedRooms();
|
|
nhlog::db()->info("loading {} rooms", rooms.size());
|
|
|
|
auto txn = lmdb::txn::begin(env_);
|
|
|
|
for (const auto &room : rooms) {
|
|
const auto roomid = QString::fromStdString(room);
|
|
|
|
auto membersdb = getMembersDb(txn, room);
|
|
auto cursor = lmdb::cursor::open(txn, membersdb);
|
|
|
|
std::string user_id, info;
|
|
while (cursor.get(user_id, info, MDB_NEXT)) {
|
|
MemberInfo m = json::parse(info);
|
|
|
|
const auto userid = QString::fromStdString(user_id);
|
|
|
|
insertDisplayName(roomid, userid, QString::fromStdString(m.name));
|
|
insertAvatarUrl(roomid, userid, QString::fromStdString(m.avatar_url));
|
|
}
|
|
|
|
cursor.close();
|
|
}
|
|
|
|
txn.commit();
|
|
}
|
|
|
|
std::vector<RoomSearchResult>
|
|
Cache::searchRooms(const std::string &query, std::uint8_t max_items)
|
|
{
|
|
std::multimap<int, std::pair<std::string, RoomInfo>> items;
|
|
|
|
auto txn = lmdb::txn::begin(env_, nullptr, MDB_RDONLY);
|
|
auto cursor = lmdb::cursor::open(txn, roomsDb_);
|
|
|
|
std::string room_id, room_data;
|
|
while (cursor.get(room_id, room_data, MDB_NEXT)) {
|
|
RoomInfo tmp = json::parse(std::move(room_data));
|
|
|
|
const int score = utils::levenshtein_distance(
|
|
query, QString::fromStdString(tmp.name).toLower().toStdString());
|
|
items.emplace(score, std::make_pair(room_id, tmp));
|
|
}
|
|
|
|
cursor.close();
|
|
|
|
auto end = items.begin();
|
|
|
|
if (items.size() >= max_items)
|
|
std::advance(end, max_items);
|
|
else if (items.size() > 0)
|
|
std::advance(end, items.size());
|
|
|
|
std::vector<RoomSearchResult> results;
|
|
for (auto it = items.begin(); it != end; it++) {
|
|
results.push_back(
|
|
RoomSearchResult{it->second.first,
|
|
it->second.second,
|
|
QImage::fromData(image(txn, it->second.second.avatar_url))});
|
|
}
|
|
|
|
txn.commit();
|
|
|
|
return results;
|
|
}
|
|
|
|
QVector<SearchResult>
|
|
Cache::searchUsers(const std::string &room_id, const std::string &query, std::uint8_t max_items)
|
|
{
|
|
std::multimap<int, std::pair<std::string, std::string>> items;
|
|
|
|
auto txn = lmdb::txn::begin(env_, nullptr, MDB_RDONLY);
|
|
auto cursor = lmdb::cursor::open(txn, getMembersDb(txn, room_id));
|
|
|
|
std::string user_id, user_data;
|
|
while (cursor.get(user_id, user_data, MDB_NEXT)) {
|
|
const auto display_name = displayName(room_id, user_id);
|
|
const int score = utils::levenshtein_distance(query, display_name);
|
|
|
|
items.emplace(score, std::make_pair(user_id, display_name));
|
|
}
|
|
|
|
auto end = items.begin();
|
|
|
|
if (items.size() >= max_items)
|
|
std::advance(end, max_items);
|
|
else if (items.size() > 0)
|
|
std::advance(end, items.size());
|
|
|
|
QVector<SearchResult> results;
|
|
for (auto it = items.begin(); it != end; it++) {
|
|
const auto user = it->second;
|
|
results.push_back(SearchResult{QString::fromStdString(user.first),
|
|
QString::fromStdString(user.second)});
|
|
}
|
|
|
|
return results;
|
|
}
|
|
|
|
std::vector<RoomMember>
|
|
Cache::getMembers(const std::string &room_id, std::size_t startIndex, std::size_t len)
|
|
{
|
|
auto txn = lmdb::txn::begin(env_, nullptr, MDB_RDONLY);
|
|
auto db = getMembersDb(txn, room_id);
|
|
auto cursor = lmdb::cursor::open(txn, db);
|
|
|
|
std::size_t currentIndex = 0;
|
|
|
|
const auto endIndex = std::min(startIndex + len, db.size(txn));
|
|
|
|
std::vector<RoomMember> members;
|
|
|
|
std::string user_id, user_data;
|
|
while (cursor.get(user_id, user_data, MDB_NEXT)) {
|
|
if (currentIndex < startIndex) {
|
|
currentIndex += 1;
|
|
continue;
|
|
}
|
|
|
|
if (currentIndex >= endIndex)
|
|
break;
|
|
|
|
try {
|
|
MemberInfo tmp = json::parse(user_data);
|
|
members.emplace_back(
|
|
RoomMember{QString::fromStdString(user_id),
|
|
QString::fromStdString(tmp.name),
|
|
QImage::fromData(image(txn, tmp.avatar_url))});
|
|
} catch (const json::exception &e) {
|
|
nhlog::db()->warn("{}", e.what());
|
|
}
|
|
|
|
currentIndex += 1;
|
|
}
|
|
|
|
cursor.close();
|
|
txn.commit();
|
|
|
|
return members;
|
|
}
|
|
|
|
bool
|
|
Cache::isRoomMember(const std::string &user_id, const std::string &room_id)
|
|
{
|
|
auto txn = lmdb::txn::begin(env_);
|
|
auto db = getMembersDb(txn, room_id);
|
|
|
|
lmdb::val value;
|
|
bool res = lmdb::dbi_get(txn, db, lmdb::val(user_id), value);
|
|
txn.commit();
|
|
|
|
return res;
|
|
}
|
|
|
|
void
|
|
Cache::saveTimelineMessages(lmdb::txn &txn,
|
|
const std::string &room_id,
|
|
const mtx::responses::Timeline &res)
|
|
{
|
|
auto db = getMessagesDb(txn, room_id);
|
|
|
|
using namespace mtx::events;
|
|
using namespace mtx::events::state;
|
|
|
|
for (const auto &e : res.events) {
|
|
if (isStateEvent(e))
|
|
continue;
|
|
|
|
if (boost::get<RedactionEvent<msg::Redaction>>(&e) != nullptr)
|
|
continue;
|
|
|
|
json obj = json::object();
|
|
|
|
obj["event"] = utils::serialize_event(e);
|
|
obj["token"] = res.prev_batch;
|
|
|
|
lmdb::dbi_put(txn,
|
|
db,
|
|
lmdb::val(std::to_string(utils::event_timestamp(e))),
|
|
lmdb::val(obj.dump()));
|
|
}
|
|
}
|
|
|
|
mtx::responses::Notifications
|
|
Cache::getTimelineMentionsForRoom(lmdb::txn &txn, const std::string &room_id)
|
|
{
|
|
auto db = getMentionsDb(txn, room_id);
|
|
|
|
if (db.size(txn) == 0) {
|
|
return mtx::responses::Notifications{};
|
|
}
|
|
|
|
mtx::responses::Notifications notif;
|
|
std::string event_id, msg;
|
|
|
|
auto cursor = lmdb::cursor::open(txn, db);
|
|
|
|
while (cursor.get(event_id, msg, MDB_NEXT)) {
|
|
auto obj = json::parse(msg);
|
|
|
|
if (obj.count("event") == 0 || obj.count("token") == 0)
|
|
continue;
|
|
|
|
mtx::responses::Notification notification;
|
|
mtx::responses::from_json(obj.at("notification"), notification);
|
|
|
|
notif.notifications.push_back(notification);
|
|
}
|
|
cursor.close();
|
|
|
|
std::reverse(notif.notifications.begin(), notif.notifications.end());
|
|
|
|
return notif;
|
|
}
|
|
|
|
//! Add all notifications containing a user mention to the db.
|
|
void
|
|
Cache::saveTimelineMentions(const mtx::responses::Notifications &res)
|
|
{
|
|
QMap<std::string, QList<mtx::responses::Notification>> notifsByRoom;
|
|
|
|
// Sort into room-specific 'buckets'
|
|
for (const auto ¬if : res.notifications) {
|
|
notifsByRoom[notif.room_id].push_back(notif);
|
|
}
|
|
|
|
auto txn = lmdb::txn::begin(env_);
|
|
// Insert the entire set of mentions for each room at a time.
|
|
for (const auto &room : notifsByRoom.keys()) {
|
|
nhlog::db()->debug("Storing notifications for " + room);
|
|
saveTimelineMentions(txn, room, notifsByRoom[room]);
|
|
}
|
|
|
|
txn.commit();
|
|
}
|
|
|
|
void
|
|
Cache::saveTimelineMentions(lmdb::txn &txn,
|
|
const std::string &room_id,
|
|
const QList<mtx::responses::Notification> &res)
|
|
{
|
|
auto db = getMentionsDb(txn, room_id);
|
|
|
|
using namespace mtx::events;
|
|
using namespace mtx::events::state;
|
|
|
|
int i = 0;
|
|
for (const auto ¬if : res) {
|
|
nhlog::db()->debug("Storing notification " + std::to_string(i++) + " for room " + room_id);
|
|
const auto event_id = utils::event_id(notif.event);
|
|
|
|
// double check that we have the correct room_id...
|
|
if (room_id.compare(notif.room_id) != 0) {
|
|
return;
|
|
}
|
|
|
|
json obj = json::object();
|
|
|
|
lmdb::dbi_put(txn, db, lmdb::val(event_id), lmdb::val(obj.dump()));
|
|
}
|
|
}
|
|
|
|
void
|
|
Cache::markSentNotification(const std::string &event_id)
|
|
{
|
|
auto txn = lmdb::txn::begin(env_);
|
|
lmdb::dbi_put(txn, notificationsDb_, lmdb::val(event_id), lmdb::val(std::string("")));
|
|
txn.commit();
|
|
}
|
|
|
|
void
|
|
Cache::removeReadNotification(const std::string &event_id)
|
|
{
|
|
auto txn = lmdb::txn::begin(env_);
|
|
|
|
lmdb::dbi_del(txn, notificationsDb_, lmdb::val(event_id), nullptr);
|
|
|
|
txn.commit();
|
|
}
|
|
|
|
bool
|
|
Cache::isNotificationSent(const std::string &event_id)
|
|
{
|
|
auto txn = lmdb::txn::begin(env_, nullptr, MDB_RDONLY);
|
|
|
|
lmdb::val value;
|
|
bool res = lmdb::dbi_get(txn, notificationsDb_, lmdb::val(event_id), value);
|
|
txn.commit();
|
|
|
|
return res;
|
|
}
|
|
|
|
std::vector<std::string>
|
|
Cache::getRoomIds(lmdb::txn &txn)
|
|
{
|
|
auto db = lmdb::dbi::open(txn, ROOMS_DB, MDB_CREATE);
|
|
auto cursor = lmdb::cursor::open(txn, db);
|
|
|
|
std::vector<std::string> rooms;
|
|
|
|
std::string room_id, _unused;
|
|
while (cursor.get(room_id, _unused, MDB_NEXT))
|
|
rooms.emplace_back(room_id);
|
|
|
|
cursor.close();
|
|
|
|
return rooms;
|
|
}
|
|
|
|
void
|
|
Cache::deleteOldMessages()
|
|
{
|
|
auto txn = lmdb::txn::begin(env_);
|
|
auto room_ids = getRoomIds(txn);
|
|
|
|
for (const auto &id : room_ids) {
|
|
auto msg_db = getMessagesDb(txn, id);
|
|
|
|
std::string ts, event;
|
|
uint64_t idx = 0;
|
|
|
|
const auto db_size = msg_db.size(txn);
|
|
if (db_size <= 3 * MAX_RESTORED_MESSAGES)
|
|
continue;
|
|
|
|
nhlog::db()->info("[{}] message count: {}", id, db_size);
|
|
|
|
auto cursor = lmdb::cursor::open(txn, msg_db);
|
|
while (cursor.get(ts, event, MDB_NEXT)) {
|
|
idx += 1;
|
|
|
|
if (idx > MAX_RESTORED_MESSAGES)
|
|
lmdb::cursor_del(cursor);
|
|
}
|
|
|
|
cursor.close();
|
|
|
|
nhlog::db()->info("[{}] updated message count: {}", id, msg_db.size(txn));
|
|
}
|
|
|
|
txn.commit();
|
|
}
|
|
|
|
void
|
|
Cache::deleteOldData() noexcept
|
|
{
|
|
try {
|
|
deleteOldMessages();
|
|
} catch (const lmdb::error &e) {
|
|
nhlog::db()->error("failed to delete old messages: {}", e.what());
|
|
}
|
|
}
|
|
|
|
bool
|
|
Cache::hasEnoughPowerLevel(const std::vector<mtx::events::EventType> &eventTypes,
|
|
const std::string &room_id,
|
|
const std::string &user_id)
|
|
{
|
|
using namespace mtx::events;
|
|
using namespace mtx::events::state;
|
|
|
|
auto txn = lmdb::txn::begin(env_);
|
|
auto db = getStatesDb(txn, room_id);
|
|
|
|
uint16_t min_event_level = std::numeric_limits<uint16_t>::max();
|
|
uint16_t user_level = std::numeric_limits<uint16_t>::min();
|
|
|
|
lmdb::val event;
|
|
bool res = lmdb::dbi_get(txn, db, lmdb::val(to_string(EventType::RoomPowerLevels)), event);
|
|
|
|
if (res) {
|
|
try {
|
|
StateEvent<PowerLevels> msg =
|
|
json::parse(std::string(event.data(), event.size()));
|
|
|
|
user_level = msg.content.user_level(user_id);
|
|
|
|
for (const auto &ty : eventTypes)
|
|
min_event_level =
|
|
std::min(min_event_level,
|
|
(uint16_t)msg.content.state_level(to_string(ty)));
|
|
} catch (const json::exception &e) {
|
|
nhlog::db()->warn("failed to parse m.room.power_levels event: {}",
|
|
e.what());
|
|
}
|
|
}
|
|
|
|
txn.commit();
|
|
|
|
return user_level >= min_event_level;
|
|
}
|
|
|
|
std::vector<std::string>
|
|
Cache::roomMembers(const std::string &room_id)
|
|
{
|
|
auto txn = lmdb::txn::begin(env_, nullptr, MDB_RDONLY);
|
|
|
|
std::vector<std::string> members;
|
|
std::string user_id, unused;
|
|
|
|
auto db = getMembersDb(txn, room_id);
|
|
|
|
auto cursor = lmdb::cursor::open(txn, db);
|
|
while (cursor.get(user_id, unused, MDB_NEXT))
|
|
members.emplace_back(std::move(user_id));
|
|
cursor.close();
|
|
|
|
txn.commit();
|
|
|
|
return members;
|
|
}
|
|
|
|
QHash<QString, QString> Cache::DisplayNames;
|
|
QHash<QString, QString> Cache::AvatarUrls;
|
|
QHash<QString, QString> Cache::UserColors;
|
|
|
|
QString
|
|
Cache::displayName(const QString &room_id, const QString &user_id)
|
|
{
|
|
auto fmt = QString("%1 %2").arg(room_id).arg(user_id);
|
|
if (DisplayNames.contains(fmt))
|
|
return DisplayNames[fmt];
|
|
|
|
return user_id;
|
|
}
|
|
|
|
std::string
|
|
Cache::displayName(const std::string &room_id, const std::string &user_id)
|
|
{
|
|
auto fmt = QString::fromStdString(room_id + " " + user_id);
|
|
if (DisplayNames.contains(fmt))
|
|
return DisplayNames[fmt].toStdString();
|
|
|
|
return user_id;
|
|
}
|
|
|
|
QString
|
|
Cache::avatarUrl(const QString &room_id, const QString &user_id)
|
|
{
|
|
auto fmt = QString("%1 %2").arg(room_id).arg(user_id);
|
|
if (AvatarUrls.contains(fmt))
|
|
return AvatarUrls[fmt];
|
|
|
|
return QString();
|
|
}
|
|
|
|
QString
|
|
Cache::userColor(const QString &user_id)
|
|
{
|
|
if (UserColors.contains(user_id)) {
|
|
return UserColors[user_id];
|
|
}
|
|
|
|
return QString();
|
|
}
|
|
|
|
void
|
|
Cache::insertDisplayName(const QString &room_id,
|
|
const QString &user_id,
|
|
const QString &display_name)
|
|
{
|
|
auto fmt = QString("%1 %2").arg(room_id).arg(user_id);
|
|
DisplayNames.insert(fmt, display_name);
|
|
}
|
|
|
|
void
|
|
Cache::removeDisplayName(const QString &room_id, const QString &user_id)
|
|
{
|
|
auto fmt = QString("%1 %2").arg(room_id).arg(user_id);
|
|
DisplayNames.remove(fmt);
|
|
}
|
|
|
|
void
|
|
Cache::insertAvatarUrl(const QString &room_id, const QString &user_id, const QString &avatar_url)
|
|
{
|
|
auto fmt = QString("%1 %2").arg(room_id).arg(user_id);
|
|
AvatarUrls.insert(fmt, avatar_url);
|
|
}
|
|
|
|
void
|
|
Cache::removeAvatarUrl(const QString &room_id, const QString &user_id)
|
|
{
|
|
auto fmt = QString("%1 %2").arg(room_id).arg(user_id);
|
|
AvatarUrls.remove(fmt);
|
|
}
|
|
|
|
void
|
|
Cache::insertUserColor(const QString &user_id, const QString &color_name)
|
|
{
|
|
UserColors.insert(user_id, color_name);
|
|
}
|
|
|
|
void
|
|
Cache::removeUserColor(const QString &user_id)
|
|
{
|
|
UserColors.remove(user_id);
|
|
}
|
|
|
|
void
|
|
Cache::clearUserColors()
|
|
{
|
|
UserColors.clear();
|
|
}
|
|
|
|
void
|
|
to_json(json &j, const RoomInfo &info)
|
|
{
|
|
j["name"] = info.name;
|
|
j["topic"] = info.topic;
|
|
j["avatar_url"] = info.avatar_url;
|
|
j["version"] = info.version;
|
|
j["is_invite"] = info.is_invite;
|
|
j["join_rule"] = info.join_rule;
|
|
j["guest_access"] = info.guest_access;
|
|
|
|
if (info.member_count != 0)
|
|
j["member_count"] = info.member_count;
|
|
|
|
if (info.tags.size() != 0)
|
|
j["tags"] = info.tags;
|
|
}
|
|
|
|
void
|
|
from_json(const json &j, RoomInfo &info)
|
|
{
|
|
info.name = j.at("name");
|
|
info.topic = j.at("topic");
|
|
info.avatar_url = j.at("avatar_url");
|
|
info.version = j.value(
|
|
"version", QCoreApplication::translate("RoomInfo", "no version stored").toStdString());
|
|
info.is_invite = j.at("is_invite");
|
|
info.join_rule = j.at("join_rule");
|
|
info.guest_access = j.at("guest_access");
|
|
|
|
if (j.count("member_count"))
|
|
info.member_count = j.at("member_count");
|
|
|
|
if (j.count("tags"))
|
|
info.tags = j.at("tags").get<std::vector<std::string>>();
|
|
}
|