mirror of
https://github.com/Nheko-Reborn/nheko.git
synced 2024-10-30 17:40:47 +03:00
Show if there are unverified devices in a room
Also fixes some issues where nested transactions will poison the verification cache.
This commit is contained in:
Nicolas Werner
parent
796e5fcd39
commit
18ea01e198
8 changed files with 221 additions and 73 deletions
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@ -35,6 +35,7 @@ Page {
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function onCurrentRoomChanged() {
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if (Rooms.currentRoom)
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roomlist.positionViewAtIndex(Rooms.roomidToIndex(Rooms.currentRoom.roomId), ListView.Contain);
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}
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target: Rooms
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@ -88,6 +88,7 @@ Item {
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Loader {
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active: room || roomPreview
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Layout.fillWidth: true
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sourceComponent: MessageView {
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implicitHeight: msgView.height - typingIndicator.height
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}
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@ -15,6 +15,8 @@ Rectangle {
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property string roomName: room ? room.roomName : qsTr("No room selected")
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property string avatarUrl: room ? room.roomAvatarUrl : ""
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property string roomTopic: room ? room.roomTopic : ""
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property bool isEncrypted: room ? room.isEncrypted : false
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property int trustlevel: room ? room.trustlevel : Crypto.Unverified
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Layout.fillWidth: true
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implicitHeight: topLayout.height + Nheko.paddingMedium * 2
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@ -92,11 +94,33 @@ Rectangle {
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text: roomTopic
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}
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EncryptionIndicator {
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Layout.column: 3
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Layout.row: 0
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Layout.rowSpan: 2
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visible: isEncrypted
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encrypted: isEncrypted
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trust: trustlevel
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ToolTip.text: {
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if (!encrypted)
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return qsTr("This room is not encrypted!");
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switch (trust) {
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case Crypto.Verified:
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return qsTr("This room contains only verified devices.");
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case Crypto.TOFU:
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return qsTr("This rooms contain verified devices and devices which have never changed their master key.");
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default:
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return qsTr("This room contains unverified devices!");
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}
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}
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}
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ImageButton {
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id: roomOptionsButton
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visible: !!room
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Layout.column: 3
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Layout.column: 4
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Layout.row: 0
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Layout.rowSpan: 2
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Layout.alignment: Qt.AlignVCenter
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164
src/Cache.cpp
164
src/Cache.cpp
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@ -114,7 +114,13 @@ ro_txn(lmdb::env &env)
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txn = lmdb::txn::begin(env, nullptr, MDB_RDONLY);
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reuse_counter = 0;
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} else if (reuse_counter > 0) {
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try {
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txn.renew();
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} catch (...) {
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txn.abort();
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txn = lmdb::txn::begin(env, nullptr, MDB_RDONLY);
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reuse_counter = 0;
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}
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}
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reuse_counter++;
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@ -290,6 +296,8 @@ Cache::setup()
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// What rooms are encrypted
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encryptedRooms_ = lmdb::dbi::open(txn, ENCRYPTED_ROOMS_DB, MDB_CREATE);
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[[maybe_unused]] auto verificationDb = getVerificationDb(txn);
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[[maybe_unused]] auto userKeysDb = getUserKeysDb(txn);
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txn.commit();
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@ -861,6 +869,9 @@ Cache::setNextBatchToken(lmdb::txn &txn, const QString &token)
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bool
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Cache::isInitialized()
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{
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if (!env_.handle())
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return false;
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auto txn = ro_txn(env_);
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std::string_view token;
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@ -3570,6 +3581,37 @@ Cache::roomMembers(const std::string &room_id)
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return members;
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}
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crypto::Trust
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Cache::roomVerificationStatus(const std::string &room_id)
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{
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std::string_view keys;
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crypto::Trust trust = crypto::Verified;
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try {
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auto txn = ro_txn(env_);
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auto db = getMembersDb(txn, room_id);
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auto keysDb = getUserKeysDb(txn);
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std::string_view user_id, unused;
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auto cursor = lmdb::cursor::open(txn, db);
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while (cursor.get(user_id, unused, MDB_NEXT)) {
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auto verif = verificationStatus_(std::string(user_id), txn);
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if (verif.unverified_device_count)
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return crypto::Unverified;
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else if (verif.user_verified == crypto::TOFU)
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trust = crypto::TOFU;
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}
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} catch (std::exception &e) {
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nhlog::db()->error(
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"Failed to calculate verification status for {}: {}", room_id, e.what());
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return crypto::Unverified;
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}
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return trust;
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}
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std::map<std::string, std::optional<UserKeyCache>>
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Cache::getMembersWithKeys(const std::string &room_id, bool verified_only)
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{
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@ -3751,11 +3793,17 @@ from_json(const json &j, UserKeyCache &info)
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std::optional<UserKeyCache>
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Cache::userKeys(const std::string &user_id)
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{
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auto txn = ro_txn(env_);
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return userKeys_(user_id, txn);
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}
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std::optional<UserKeyCache>
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Cache::userKeys_(const std::string &user_id, lmdb::txn &txn)
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{
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std::string_view keys;
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try {
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auto txn = ro_txn(env_);
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auto db = getUserKeysDb(txn);
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auto res = db.get(txn, user_id, keys);
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@ -3764,7 +3812,8 @@ Cache::userKeys(const std::string &user_id)
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} else {
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return {};
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}
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} catch (std::exception &) {
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} catch (std::exception &e) {
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nhlog::db()->error("Failed to retrieve user keys for {}: {}", user_id, e.what());
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return {};
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}
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}
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@ -3799,8 +3848,14 @@ Cache::updateUserKeys(const std::string &sync_token, const mtx::responses::Query
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auto last_changed = updateToWrite.last_changed;
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// skip if we are tracking this and expect it to be up to date with the last
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// sync token
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if (!last_changed.empty() && last_changed != sync_token)
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if (!last_changed.empty() && last_changed != sync_token) {
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nhlog::db()->debug("Not storing update for user {}, because "
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"last_changed {}, but we fetched update for {}",
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user,
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last_changed,
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sync_token);
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continue;
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}
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if (!updateToWrite.master_keys.keys.empty() &&
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update.master_keys.keys != updateToWrite.master_keys.keys) {
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@ -3859,6 +3914,7 @@ Cache::updateUserKeys(const std::string &sync_token, const mtx::responses::Query
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updateToWrite.seen_device_ids.insert(device_id);
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}
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}
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updateToWrite.updated_at = sync_token;
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db.put(txn, user, json(updateToWrite).dump());
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}
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@ -3944,35 +4000,46 @@ void
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Cache::query_keys(const std::string &user_id,
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std::function<void(const UserKeyCache &, mtx::http::RequestErr)> cb)
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{
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auto cache_ = cache::userKeys(user_id);
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mtx::requests::QueryKeys req;
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std::string last_changed;
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{
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auto txn = ro_txn(env_);
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auto cache_ = userKeys_(user_id, txn);
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if (cache_.has_value()) {
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if (!cache_->updated_at.empty() && cache_->updated_at == cache_->last_changed) {
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if (cache_->updated_at == cache_->last_changed) {
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cb(cache_.value(), {});
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return;
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}
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}
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} else
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nhlog::db()->info("Keys outdated for {}: {} vs {}",
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user_id,
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cache_->updated_at,
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cache_->last_changed);
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} else
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nhlog::db()->info("No keys found for {}", user_id);
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mtx::requests::QueryKeys req;
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req.device_keys[user_id] = {};
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std::string last_changed;
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if (cache_)
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last_changed = cache_->last_changed;
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req.token = last_changed;
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}
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// use context object so that we can disconnect again
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QObject *context{new QObject(this)};
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QObject::connect(this,
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QObject::connect(
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this,
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&Cache::verificationStatusChanged,
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context,
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[cb, user_id, context_ = context](std::string updated_user) mutable {
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[cb, user_id, context_ = context, this](std::string updated_user) mutable {
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if (user_id == updated_user) {
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context_->deleteLater();
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auto keys = cache::userKeys(user_id);
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auto txn = ro_txn(env_);
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auto keys = this->userKeys_(user_id, txn);
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cb(keys.value_or(UserKeyCache{}), {});
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}
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});
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},
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Qt::QueuedConnection);
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http::client()->query_keys(
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req,
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@ -4000,16 +4067,15 @@ to_json(json &j, const VerificationCache &info)
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void
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from_json(const json &j, VerificationCache &info)
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{
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info.device_verified = j.at("device_verified").get<std::vector<std::string>>();
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info.device_blocked = j.at("device_blocked").get<std::vector<std::string>>();
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info.device_verified = j.at("device_verified").get<std::set<std::string>>();
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info.device_blocked = j.at("device_blocked").get<std::set<std::string>>();
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}
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std::optional<VerificationCache>
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Cache::verificationCache(const std::string &user_id)
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Cache::verificationCache(const std::string &user_id, lmdb::txn &txn)
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{
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std::string_view verifiedVal;
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auto txn = lmdb::txn::begin(env_);
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auto db = getVerificationDb(txn);
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try {
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@ -4028,6 +4094,7 @@ Cache::verificationCache(const std::string &user_id)
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void
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Cache::markDeviceVerified(const std::string &user_id, const std::string &key)
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{
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{
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std::string_view val;
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@ -4045,11 +4112,12 @@ Cache::markDeviceVerified(const std::string &user_id, const std::string &key)
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if (device == key)
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return;
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verified_state.device_verified.push_back(key);
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verified_state.device_verified.insert(key);
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db.put(txn, user_id, json(verified_state).dump());
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txn.commit();
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} catch (std::exception &) {
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}
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}
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const auto local_user = utils::localUser().toStdString();
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std::map<std::string, VerificationStatus> tmp;
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@ -4086,11 +4154,7 @@ Cache::markDeviceUnverified(const std::string &user_id, const std::string &key)
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verified_state = json::parse(val);
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}
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verified_state.device_verified.erase(
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std::remove(verified_state.device_verified.begin(),
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verified_state.device_verified.end(),
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key),
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verified_state.device_verified.end());
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verified_state.device_verified.erase(key);
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db.put(txn, user_id, json(verified_state).dump());
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txn.commit();
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@ -4119,6 +4183,13 @@ Cache::markDeviceUnverified(const std::string &user_id, const std::string &key)
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VerificationStatus
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Cache::verificationStatus(const std::string &user_id)
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{
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auto txn = ro_txn(env_);
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return verificationStatus_(user_id, txn);
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}
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VerificationStatus
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Cache::verificationStatus_(const std::string &user_id, lmdb::txn &txn)
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{
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std::unique_lock<std::mutex> lock(verification_storage.verification_storage_mtx);
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if (verification_storage.status.count(user_id))
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@ -4126,7 +4197,11 @@ Cache::verificationStatus(const std::string &user_id)
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VerificationStatus status;
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if (auto verifCache = verificationCache(user_id)) {
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// assume there is at least one unverified device until we have checked we have the device
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// list for that user.
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status.unverified_device_count = 1;
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if (auto verifCache = verificationCache(user_id, txn)) {
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status.verified_devices = verifCache->device_verified;
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}
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@ -4134,12 +4209,10 @@ Cache::verificationStatus(const std::string &user_id)
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crypto::Trust trustlevel = crypto::Trust::Unverified;
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if (user_id == local_user) {
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status.verified_devices.push_back(http::client()->device_id());
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status.verified_devices.insert(http::client()->device_id());
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trustlevel = crypto::Trust::Verified;
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}
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verification_storage.status[user_id] = status;
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auto verifyAtLeastOneSig = [](const auto &toVerif,
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const std::map<std::string, std::string> &keys,
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const std::string &keyOwner) {
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@ -4157,6 +4230,16 @@ Cache::verificationStatus(const std::string &user_id)
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return false;
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};
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auto updateUnverifiedDevices = [&status](auto &theirDeviceKeys) {
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int currentVerifiedDevices = 0;
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for (auto device_id : status.verified_devices) {
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if (theirDeviceKeys.count(device_id))
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currentVerifiedDevices++;
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}
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status.unverified_device_count =
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static_cast<int>(theirDeviceKeys.size()) - currentVerifiedDevices;
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};
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try {
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// for local user verify this device_key -> our master_key -> our self_signing_key
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// -> our device_keys
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@ -4166,17 +4249,24 @@ Cache::verificationStatus(const std::string &user_id)
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//
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// This means verifying the other user adds 2 extra steps,verifying our user_signing
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// key and their master key
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auto ourKeys = userKeys(local_user);
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auto theirKeys = userKeys(user_id);
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if (!ourKeys || !theirKeys)
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auto ourKeys = userKeys_(local_user, txn);
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auto theirKeys = userKeys_(user_id, txn);
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if (!ourKeys || !theirKeys) {
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verification_storage.status[user_id] = status;
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return status;
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}
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// Update verified devices count to count without cross-signing
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updateUnverifiedDevices(theirKeys->device_keys);
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if (!mtx::crypto::ed25519_verify_signature(
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olm::client()->identity_keys().ed25519,
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json(ourKeys->master_keys),
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ourKeys->master_keys.signatures.at(local_user)
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.at("ed25519:" + http::client()->device_id())))
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.at("ed25519:" + http::client()->device_id()))) {
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verification_storage.status[user_id] = status;
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return status;
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}
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auto master_keys = ourKeys->master_keys.keys;
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@ -4191,14 +4281,17 @@ Cache::verificationStatus(const std::string &user_id)
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trustlevel = crypto::Trust::Verified;
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else if (!theirKeys->master_key_changed)
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trustlevel = crypto::Trust::TOFU;
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else
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else {
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verification_storage.status[user_id] = status;
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return status;
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}
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master_keys = theirKeys->master_keys.keys;
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}
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status.user_verified = trustlevel;
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verification_storage.status[user_id] = status;
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if (!verifyAtLeastOneSig(theirKeys->self_signing_keys, master_keys, user_id))
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return status;
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@ -4209,16 +4302,19 @@ Cache::verificationStatus(const std::string &user_id)
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device_key.keys.at("curve25519:" + device_key.device_id);
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if (verifyAtLeastOneSig(
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device_key, theirKeys->self_signing_keys.keys, user_id)) {
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status.verified_devices.push_back(device_key.device_id);
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status.verified_devices.insert(device_key.device_id);
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status.verified_device_keys[identkey] = trustlevel;
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}
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} catch (...) {
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}
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}
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updateUnverifiedDevices(theirKeys->device_keys);
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verification_storage.status[user_id] = status;
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return status;
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} catch (std::exception &) {
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} catch (std::exception &e) {
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nhlog::db()->error(
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"Failed to calculate verification status of {}: {}", user_id, e.what());
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return status;
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}
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}
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@ -112,9 +112,11 @@ struct VerificationStatus
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//! True, if the users master key is verified
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crypto::Trust user_verified = crypto::Trust::Unverified;
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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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std::set<std::string> verified_devices;
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//! Map from sender key/curve25519 to trust status
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std::map<std::string, crypto::Trust> verified_device_keys;
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//! Count of unverified devices
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int unverified_device_count = 0;
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};
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//! In memory cache of verification status
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@ -154,9 +156,9 @@ from_json(const nlohmann::json &j, UserKeyCache &info);
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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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std::set<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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std::set<std::string> device_blocked;
|
||||
};
|
||||
|
||||
void
|
||||
|
|
|
|||
|
|
@ -46,7 +46,6 @@ public:
|
|||
std::string statusMessage(const std::string &user_id);
|
||||
|
||||
// user cache stores user keys
|
||||
std::optional<UserKeyCache> userKeys(const std::string &user_id);
|
||||
std::map<std::string, std::optional<UserKeyCache>> getMembersWithKeys(
|
||||
const std::string &room_id,
|
||||
bool verified_only);
|
||||
|
|
@ -63,9 +62,11 @@ public:
|
|||
std::function<void(const UserKeyCache &, mtx::http::RequestErr)> cb);
|
||||
|
||||
// device & user verification cache
|
||||
std::optional<UserKeyCache> userKeys(const std::string &user_id);
|
||||
VerificationStatus verificationStatus(const std::string &user_id);
|
||||
void markDeviceVerified(const std::string &user_id, const std::string &device);
|
||||
void markDeviceUnverified(const std::string &user_id, const std::string &device);
|
||||
crypto::Trust roomVerificationStatus(const std::string &room_id);
|
||||
|
||||
std::vector<std::string> joinedRooms();
|
||||
|
||||
|
|
@ -681,7 +682,10 @@ private:
|
|||
return QString::fromStdString(event.state_key);
|
||||
}
|
||||
|
||||
std::optional<VerificationCache> verificationCache(const std::string &user_id);
|
||||
std::optional<VerificationCache> verificationCache(const std::string &user_id,
|
||||
lmdb::txn &txn);
|
||||
VerificationStatus verificationStatus_(const std::string &user_id, lmdb::txn &txn);
|
||||
std::optional<UserKeyCache> userKeys_(const std::string &user_id, lmdb::txn &txn);
|
||||
|
||||
void setNextBatchToken(lmdb::txn &txn, const std::string &token);
|
||||
void setNextBatchToken(lmdb::txn &txn, const QString &token);
|
||||
|
|
|
|||
|
|
@ -418,6 +418,14 @@ TimelineModel::TimelineModel(TimelineViewManager *manager, QString room_id, QObj
|
|||
&events,
|
||||
&EventStore::enableKeyRequests);
|
||||
|
||||
connect(this, &TimelineModel::encryptionChanged, this, &TimelineModel::trustlevelChanged);
|
||||
connect(
|
||||
this, &TimelineModel::roomMemberCountChanged, this, &TimelineModel::trustlevelChanged);
|
||||
connect(cache::client(),
|
||||
&Cache::verificationStatusChanged,
|
||||
this,
|
||||
&TimelineModel::trustlevelChanged);
|
||||
|
||||
showEventTimer.callOnTimeout(this, &TimelineModel::scrollTimerEvent);
|
||||
}
|
||||
|
||||
|
|
@ -1993,6 +2001,15 @@ TimelineModel::roomTopic() const
|
|||
QString::fromStdString(info[room_id_].topic).toHtmlEscaped()));
|
||||
}
|
||||
|
||||
crypto::Trust
|
||||
TimelineModel::trustlevel() const
|
||||
{
|
||||
if (!isEncrypted_)
|
||||
return crypto::Trust::Unverified;
|
||||
|
||||
return cache::client()->roomVerificationStatus(room_id_.toStdString());
|
||||
}
|
||||
|
||||
int
|
||||
TimelineModel::roomMemberCount() const
|
||||
{
|
||||
|
|
|
|||
|
|
@ -175,6 +175,7 @@ class TimelineModel : public QAbstractListModel
|
|||
Q_PROPERTY(int roomMemberCount READ roomMemberCount NOTIFY roomMemberCountChanged)
|
||||
Q_PROPERTY(bool isEncrypted READ isEncrypted NOTIFY encryptionChanged)
|
||||
Q_PROPERTY(bool isSpace READ isSpace CONSTANT)
|
||||
Q_PROPERTY(int trustlevel READ trustlevel NOTIFY trustlevelChanged)
|
||||
Q_PROPERTY(InputBar *input READ input CONSTANT)
|
||||
Q_PROPERTY(Permissions *permissions READ permissions NOTIFY permissionsChanged)
|
||||
|
||||
|
|
@ -287,6 +288,7 @@ public:
|
|||
DescInfo lastMessage() const { return lastMessage_; }
|
||||
bool isSpace() const { return isSpace_; }
|
||||
bool isEncrypted() const { return isEncrypted_; }
|
||||
crypto::Trust trustlevel() const;
|
||||
int roomMemberCount() const;
|
||||
|
||||
public slots:
|
||||
|
|
@ -372,6 +374,7 @@ signals:
|
|||
void updateFlowEventId(std::string event_id);
|
||||
|
||||
void encryptionChanged();
|
||||
void trustlevelChanged();
|
||||
void roomNameChanged();
|
||||
void plainRoomNameChanged();
|
||||
void roomTopicChanged();
|
||||
|
|
|
|||
Loading…
Reference in a new issue