diff --git a/.gitignore b/.gitignore index f86acb26d..f4b12b161 100644 --- a/.gitignore +++ b/.gitignore @@ -32,3 +32,6 @@ compile_commands.json # Created by doxygen html/ latex/ + +matrix-rust-sdk-crypto/target +.kateproject.build diff --git a/CMakeLists.txt b/CMakeLists.txt index 013bc0c3d..0fbaa88d8 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -95,20 +95,12 @@ find_package(${Qt} ${QtMinVersion} REQUIRED Core Network Gui Test Sql) get_filename_component(Qt_Prefix "${${Qt}_DIR}/../../../.." ABSOLUTE) find_package(${Qt}Keychain REQUIRED) +find_package(Corrosion REQUIRED) +find_package(PkgConfig REQUIRED) -find_package(Olm 3.2.5 REQUIRED) -set_package_properties(Olm PROPERTIES - DESCRIPTION "Implementation of the Olm and Megolm cryptographic ratchets" - URL "https://gitlab.matrix.org/matrix-org/olm" - TYPE REQUIRED -) +pkg_check_modules(SQLITE sqlite3 REQUIRED IMPORTED_TARGET) -find_package(OpenSSL 1.1.0 REQUIRED) -set_package_properties(OpenSSL PROPERTIES - DESCRIPTION "Open source SSL and TLS implementation and cryptographic library" - URL "https://www.openssl.org/" - TYPE REQUIRED -) +corrosion_import_crate(MANIFEST_PATH matrix-rust-sdk-crypto/Cargo.toml) add_library(${QUOTIENT_LIB_NAME}) @@ -174,19 +166,8 @@ target_sources(${QUOTIENT_LIB_NAME} PUBLIC FILE_SET HEADERS BASE_DIRS . Quotient/jobs/syncjob.h Quotient/jobs/mediathumbnailjob.h Quotient/jobs/downloadfilejob.h - Quotient/database.h - Quotient/connectionencryptiondata_p.h Quotient/keyverificationsession.h Quotient/e2ee/e2ee_common.h - Quotient/e2ee/qolmaccount.h - Quotient/e2ee/qolmsession.h - Quotient/e2ee/qolminboundsession.h - Quotient/e2ee/qolmoutboundsession.h - Quotient/e2ee/qolmutility.h - Quotient/e2ee/qolmsession.h - Quotient/e2ee/qolmmessage.h - Quotient/e2ee/cryptoutils.h - Quotient/e2ee/sssshandler.h Quotient/events/keyverificationevent.h Quotient/keyimport.h Quotient/qt_connection_util.h @@ -233,19 +214,8 @@ target_sources(${QUOTIENT_LIB_NAME} PUBLIC FILE_SET HEADERS BASE_DIRS . Quotient/jobs/syncjob.cpp Quotient/jobs/mediathumbnailjob.cpp Quotient/jobs/downloadfilejob.cpp - Quotient/database.cpp - Quotient/connectionencryptiondata_p.cpp Quotient/keyverificationsession.cpp Quotient/e2ee/e2ee_common.cpp - Quotient/e2ee/qolmaccount.cpp - Quotient/e2ee/qolmsession.cpp - Quotient/e2ee/qolminboundsession.cpp - Quotient/e2ee/qolmoutboundsession.cpp - Quotient/e2ee/qolmutility.cpp - Quotient/e2ee/qolmsession.cpp - Quotient/e2ee/qolmmessage.cpp - Quotient/e2ee/cryptoutils.cpp - Quotient/e2ee/sssshandler.cpp Quotient/keyimport.cpp libquotientemojis.qrc ) @@ -363,8 +333,14 @@ target_include_directories(${QUOTIENT_LIB_NAME} PUBLIC ) target_link_libraries(${QUOTIENT_LIB_NAME} - PUBLIC ${Qt}::Core ${Qt}::Network ${Qt}::Gui qt${${Qt}Core_VERSION_MAJOR}keychain Olm::Olm ${Qt}::Sql - PRIVATE OpenSSL::Crypto ${Qt}::CorePrivate) + PUBLIC ${Qt}::Core ${Qt}::Network ${Qt}::Gui qt${${Qt}Core_VERSION_MAJOR}keychain ${Qt}::Sql + PRIVATE ${Qt}::CorePrivate matrix_rust_sdk_crypto_cpp PkgConfig::SQLITE) + + +target_include_directories(${QUOTIENT_LIB_NAME} PRIVATE + ${CMAKE_BINARY_DIR}/cargo/build/${Rust_CARGO_TARGET}/cxxbridge/matrix-rust-sdk-crypto/src/) + + configure_file(${PROJECT_NAME}.pc.in ${CMAKE_CURRENT_BINARY_DIR}/${QUOTIENT_LIB_NAME}.pc @ONLY NEWLINE_STYLE UNIX) @@ -432,8 +408,6 @@ message(STATUS "Install prefix: ${CMAKE_INSTALL_PREFIX}") message(STATUS " Header files install prefix: ${CMAKE_INSTALL_PREFIX}/${${PROJECT_NAME}_INSTALL_INCLUDEDIR}") message(STATUS "Using Qt ${${Qt}_VERSION} at ${Qt_Prefix}") message(STATUS "Using QtKeychain ${${Qt}Keychain_VERSION} at ${${Qt}Keychain_DIR}") -message(STATUS "Using libOlm ${Olm_VERSION} at ${Olm_DIR}") -message(STATUS "Using OpenSSL libcrypto ${OPENSSL_VERSION} at ${OPENSSL_CRYPTO_LIBRARY}") message(STATUS) feature_summary(WHAT ENABLED_FEATURES DISABLED_FEATURES FATAL_ON_MISSING_REQUIRED_PACKAGES) diff --git a/Quotient/connection.cpp b/Quotient/connection.cpp index f205fadb8..5c047ee5b 100644 --- a/Quotient/connection.cpp +++ b/Quotient/connection.cpp @@ -8,8 +8,6 @@ #include "connection_p.h" #include "connectiondata.h" -#include "connectionencryptiondata_p.h" -#include "database.h" #include "logging_categories_p.h" #include "qt_connection_util.h" #include "room.h" @@ -17,6 +15,7 @@ #include "user.h" #include "csapi/account-data.h" +#include "csapi/cross_signing.h" #include "csapi/joining.h" #include "csapi/leaving.h" #include "csapi/logout.h" @@ -25,8 +24,8 @@ #include "csapi/voip.h" #include "csapi/wellknown.h" #include "csapi/whoami.h" - -#include "e2ee/qolminboundsession.h" +#include "csapi/keys.h" +#include #include "events/directchatevent.h" #include "events/encryptionevent.h" @@ -50,6 +49,28 @@ using namespace Quotient; +static QByteArray bytesFromRust(const rust::String &bytes) { + return {bytes.data(), (int) bytes.size()}; +} + +static QString stringFromRust(const rust::String& string) { + return QString::fromUtf8(bytesFromRust(string)); +} + +static QJsonObject jsonFromRust(const rust::String& string) { + return QJsonDocument::fromJson(bytesFromRust(string)).object(); +} + +static rust::String bytesToRust(const QByteArray& bytes) +{ + return rust::String(bytes.data(), bytes.size()); +} + +static rust::String stringToRust(const QString& string) +{ + return bytesToRust(string.toUtf8()); +} + // This is very much Qt-specific; STL iterators don't have key() and value() template HashT remove_if(HashT& hashMap, Pred pred) @@ -171,6 +192,8 @@ void Connection::assumeIdentity(const QString& mxId, const QString& deviceId, const QString& accessToken) { d->completeSetup(mxId, false, deviceId, accessToken); + d->processOutgoingRequests(); + d->ensureHomeserver(mxId).then([this, mxId] { callApi().onResult([this, mxId](const GetTokenOwnerJob* job) { switch (job->error()) { @@ -306,6 +329,7 @@ void Connection::Private::completeSetup(const QString& mxId, bool newLogin, << "by user" << data->userId() << "from device" << data->deviceId(); connect(qApp, &QCoreApplication::aboutToQuit, q, &Connection::saveState); + cryptoMachine = crypto::init(stringToRust(mxId), stringToRust(*deviceId)); if (accessToken.has_value()) { q->loadVersions(); @@ -316,23 +340,10 @@ void Connection::Private::completeSetup(const QString& mxId, bool newLogin, emit q->stateChanged(); // Technically connected to the homeserver but no E2EE yet if (useEncryption) { - using _impl::ConnectionEncryptionData; - if (!accessToken) { - // Mock connection; initialise bare bones necessary for testing - qInfo(E2EE) << "Using a mock pickling key"; - encryptionData = std::make_unique(q, PicklingKey::generate()); - encryptionData->database.clear(); - encryptionData->olmAccount.setupNewAccount(); - } else - ConnectionEncryptionData::setup(q, encryptionData, newLogin).then([this](bool successful) { - if (!successful || !encryptionData) - useEncryption = false; - - emit q->encryptionChanged(useEncryption); - emit q->stateChanged(); - emit q->ready(); - emit q->connected(); - }); + emit q->encryptionChanged(useEncryption); + emit q->stateChanged(); + emit q->ready(); + emit q->connected(); } else { qCInfo(E2EE) << "End-to-end encryption (E2EE) support is off for" << q->objectName(); emit q->ready(); @@ -431,6 +442,13 @@ void Connection::sync(int timeout) callApi(BackgroundRequest, d->data->lastEvent(), filter, timeout); connect(job, &SyncJob::success, this, [this, job] { + auto verificationSessions = (*d->cryptoMachine)->receive_sync_changes(bytesToRust(job->rawData())); + + for (auto &session : verificationSessions) { + auto keyVerificationSession = new KeyVerificationSession(stringFromRust(session.remote_user_id()), stringFromRust(session.verification_id()), stringFromRust(session.remote_device_id()), this); + emit newKeyVerificationSession(keyVerificationSession); + + } onSyncSuccess(job->takeData()); d->syncJob = nullptr; emit syncDone(); @@ -495,19 +513,60 @@ QJsonObject toJson(const DirectChatsMap& directChats) void Connection::onSyncSuccess(SyncData&& data, bool fromCache) { - if (d->encryptionData) { - d->encryptionData->onSyncSuccess(data); - } - d->consumeToDeviceEvents(data.takeToDeviceEvents()); d->data->setLastEvent(data.nextBatch()); d->consumeRoomData(data.takeRoomData(), fromCache); d->consumeAccountData(data.takeAccountData()); d->consumePresenceData(data.takePresenceData()); - if(d->encryptionData && d->encryptionData->encryptionUpdateRequired) { - d->encryptionData->loadOutdatedUserDevices(); - d->encryptionData->encryptionUpdateRequired = false; - } + Q_UNUSED(std::move(data)) // Tell static analysers `data` is consumed now + + d->processOutgoingRequests(); +} + +void Connection::Private::processOutgoingRequests() +{ + auto requests = (*cryptoMachine)->outgoing_requests(); + for (const auto &request : requests) { + auto id = stringFromRust(request.id()); + if (request.request_type() == 0) { // Keys upload + q->callApi(fromJson(jsonFromRust(request.keys_upload_device_keys())), fromJson(jsonFromRust(request.keys_upload_one_time_keys())), fromJson(jsonFromRust(request.keys_upload_fallback_keys()))).then([id, this](const auto& job){ + (*cryptoMachine)->mark_keys_upload_as_sent(bytesToRust(job->rawData()), stringToRust(id)); + }, [](const auto& job){}); + } else if (request.request_type() == 1) { // Keys query + q->callApi(fromJson>(jsonFromRust(request.keys_query_device_keys())), request.keys_query_timeout() /*TODO check correctness*/).then([id, this](const auto &job){ + (*cryptoMachine)->mark_keys_query_as_sent(bytesToRust(job->rawData()), stringToRust(id)); + }, [](const auto& job){}); + } else if (request.request_type() == 2) { // keys claim + q->callApi(fromJson>>(jsonFromRust(request.keys_claim_one_time_keys())), std::nullopt /*TODO: timeout */).then([id, this](const auto& job){ + (*cryptoMachine)->mark_keys_claim_as_sent(bytesToRust(job->rawData()), stringToRust(id)); + }, [](const auto& job){}); + } else if (request.request_type() == 3) { // to device + q->callApi(stringFromRust(request.to_device_event_type()), stringFromRust(request.to_device_txn_id()), fromJson>>(jsonFromRust(request.to_device_messages()))).then([id, this](const auto& job){ + (*cryptoMachine)->mark_to_device_as_sent(bytesToRust(job->rawData()), stringToRust(id)); + }, [](const auto& job){}); + } else if (request.request_type() == 4) { // signature upload + q->callApi(fromJson>>(jsonFromRust(request.upload_signature_signed_keys()))).then([this, id](const auto& job) { + (*cryptoMachine)->mark_signature_upload_as_sent(bytesToRust(job->rawData()), stringToRust(id)); + }, [](){}); + } else if (request.request_type() == 5) { // room message + auto room = q->room(stringFromRust(request.room_msg_room_id())); + auto json = jsonFromRust(request.room_msg_content()); + auto transactionId = stringFromRust(request.room_msg_txn_id()); + //TODO: this is wrong (content <-> full), but i also think we don't need it json[u"unsigned"_s] = QJsonObject { {u"transaction_id"_s, transactionId} }; + auto actualTransactionId = room->postJson(stringFromRust(request.room_msg_matrix_type()), json); + //TODO get the event id from the api call response directly, somehow + connectUntil(room, &Room::pendingEventAboutToMerge, q, [this, transactionId, actualTransactionId, id](const auto &event) { + if (event->transactionId() != actualTransactionId) { + return false; + } + (*cryptoMachine)->mark_room_message_as_sent(stringToRust(event->id()), stringToRust(id)); + return true; + }); + } else if (request.request_type() == 6) { // keys backup + qWarning() << "keys";// << stringFromRust(request.json()); + //TODO + } + } } void Connection::Private::consumeRoomData(SyncDataList&& roomDataList, @@ -533,8 +592,16 @@ void Connection::Private::consumeRoomData(SyncDataList&& roomDataList, // Update rooms one by one, giving time to update the UI. QMetaObject::invokeMethod( r, - [r, rd = std::move(roomData), fromCache] () mutable { + [r, rd = std::move(roomData), fromCache, this] () mutable { r->updateData(std::move(rd), fromCache); + if (r->usesEncryption()) { + rust::Vec userIds; + const auto ids = r->memberIds(); + for (const auto &id : ids) { + userIds.push_back(stringToRust(id)); + } + (*cryptoMachine)->update_tracked_users(userIds); + } }, Qt::QueuedConnection); } @@ -629,18 +696,6 @@ void Connection::Private::consumePresenceData(Events&& presenceData) // To be implemented } -void Connection::Private::consumeToDeviceEvents(Events&& toDeviceEvents) -{ - if (toDeviceEvents.empty()) - return; - - qCDebug(E2EE) << "Consuming" << toDeviceEvents.size() << "to-device events"; - for (auto&& tdEvt : std::move(toDeviceEvents)) { - if (encryptionData) - encryptionData->consumeToDeviceEvent(std::move(tdEvt)); - } -} - void Connection::stopSync() { // If there's a sync loop, break it @@ -1099,11 +1154,6 @@ QByteArray Connection::accessToken() const bool Connection::isLoggedIn() const { return !accessToken().isEmpty(); } -QOlmAccount* Connection::olmAccount() const -{ - return d->encryptionData ? &d->encryptionData->olmAccount : nullptr; -} - SyncJob* Connection::syncJob() const { return d->syncJob; } int Connection::millisToReconnect() const @@ -1502,11 +1552,6 @@ void Connection::saveState() const rootObj.insert("account_data"_L1, QJsonObject{ { u"events"_s, accountDataEvents } }); } - if (d->encryptionData) { - QJsonObject keysJson = toJson(d->encryptionData->oneTimeKeysCount); - rootObj.insert("device_one_time_keys_count"_L1, keysJson); - } - const auto data = d->cacheToBinary ? QCborValue::fromJsonValue(rootObj).toCbor() : QJsonDocument(rootObj).toJson(QJsonDocument::Compact); @@ -1680,51 +1725,6 @@ QVector Connection::availableRoomVersions() co return result; } -bool Connection::isQueryingKeys() const -{ - return d->encryptionData - && d->encryptionData->currentQueryKeysJob != nullptr; -} - -void Connection::encryptionUpdate(const Room* room, const QStringList& invitedIds) -{ - if (d->encryptionData) { - d->encryptionData->encryptionUpdate(room->joinedMemberIds() + invitedIds); - } -} - -QFuture Connection::requestKeyFromDevices(event_type_t name) -{ - QPromise keyPromise; - keyPromise.setProgressRange(0, 10); - keyPromise.start(); - - UsersToDevicesToContent content; - const auto& requestId = generateTxnId(); - const QJsonObject eventContent{ { "action"_L1, "request"_L1 }, - { "name"_L1, name }, - { "request_id"_L1, requestId }, - { "requesting_device_id"_L1, deviceId() } }; - for (const auto& deviceId : devicesForUser(userId())) { - content[userId()][deviceId] = eventContent; - } - sendToDevices("m.secret.request"_L1, content); - auto futureKey = keyPromise.future(); - keyPromise.setProgressValue(5); // Already sent the request, now it's only to get the result - connectUntil(this, &Connection::secretReceived, this, - [this, requestId, name, kp = std::move(keyPromise)]( - const QString& receivedRequestId, const QString& secret) mutable { - if (requestId != receivedRequestId) { - return false; - } - const auto& key = QByteArray::fromBase64(secret.toLatin1()); - database()->storeEncrypted(name, key); - kp.addResult(key); - kp.finish(); - return true; - }); - return futureKey; -} QJsonObject Connection::decryptNotification(const QJsonObject& notification) { @@ -1736,221 +1736,207 @@ QJsonObject Connection::decryptNotification(const QJsonObject& notification) return {}; } -Database* Connection::database() const +void Connection::sendToDevice(const QString& targetUserId, + const QString& targetDeviceId, const Event& event, + bool encrypted) { - return d->encryptionData ? &d->encryptionData->database : nullptr; } -std::unordered_map Connection::loadRoomMegolmSessions(const Room* room) const +Quotient::KeyVerificationSession* Connection::startKeyVerificationSession(const QString& userId, + const QString& deviceId) { - return database()->loadMegolmSessions(room->id()); + auto session = KeyVerificationSession::requestDeviceVerification(userId, deviceId, this); + Q_EMIT newKeyVerificationSession(session); + return session; } -void Connection::saveMegolmSession(const Room* room, - const QOlmInboundGroupSession& session, const QByteArray& senderKey, const QByteArray& senderEdKey) const +Connection* Connection::makeMockConnection(const QString& mxId, bool enableEncryption) { - database()->saveMegolmSession(room->id(), session, senderKey, senderEdKey); + auto* c = new Connection; + c->enableEncryption(enableEncryption); + c->d->completeSetup(mxId); + return c; } -QStringList Connection::devicesForUser(const QString& userId) const +QStringList Connection::accountDataEventTypes() const { - return d->encryptionData->deviceKeys.value(userId).keys(); + QStringList events; + events.reserve(d->accountData.size()); + for (const auto& [key, value] : std::as_const(d->accountData)) { + events += key; + } + return events; } -QString Connection::edKeyForUserDevice(const QString& userId, - const QString& deviceId) const +void Connection::startSelfVerification() { - return d->encryptionData->deviceKeys[userId][deviceId] - .keys["ed25519:"_L1 + deviceId]; + //TODO } -QString Connection::curveKeyForUserDevice( - const QString& userId, const QString& device) const +bool Connection::allSessionsSelfVerified(const QString& userId) const { - return d->encryptionData->curveKeyForUserDevice(userId, device); + //TODO + return false; } -bool Connection::hasOlmSession(const QString& user, - const QString& deviceId) const +QFuture Connection::shareRoomKey(Room* room) { - return d->encryptionData && d->encryptionData->hasOlmSession(user, deviceId); + QPromise promise; + auto result = promise.future(); + promise.start(); + + rust::Vec ids; + for (const auto& id : room->joinedMemberIds()) { //TODO + invited + ids.push_back(stringToRust(id)); + } + + auto missing = (*d->cryptoMachine)->get_missing_sessions(ids); + auto id = missing->id(); + callApi(fromJson>>(jsonFromRust(missing->one_time_keys()))).then([this, id, room, ids, p = std::move(promise)](const auto& job) mutable { + (*d->cryptoMachine)->mark_keys_claim_as_sent(bytesToRust(job->rawData()), id); + auto requests = (*d->cryptoMachine)->share_room_key(stringToRust(room->id()), ids); + p.finish(); + for (const auto& request : requests) { + auto id = request.txn_id(); + + //TODO type from event + callApi(u"m.room.encrypted"_s, stringFromRust(id), fromJson>>(jsonFromRust(request.messages()))).then([this, id](const auto& job) { + (*d->cryptoMachine)->mark_to_device_as_sent(bytesToRust(job->rawData()), id); + }, [=](const auto& job){}); + } + }, [=](const auto& job){}); + + return result; } -void Connection::sendSessionKeyToDevices( - const QString& roomId, const QOlmOutboundGroupSession& outboundSession, - const QMultiHash& devices) +QString Connection::encryptRoomEvent(Room* room, const QByteArray& content, const QString& type) { - Q_ASSERT(d->encryptionData != nullptr); - d->encryptionData->sendSessionKeyToDevices(roomId, outboundSession, devices); + return stringFromRust((*d->cryptoMachine)->encrypt_room_event(stringToRust(room->id()), bytesToRust(content), stringToRust(type))); } -KeyVerificationSession* Connection::startKeyVerificationSession(const QString& userId, - const QString& deviceId) +QString Connection::decryptRoomEvent(Room* room, const QByteArray& event) { - if (!d->encryptionData) { - qWarning(E2EE) << "E2EE is switched off on" << objectName() - << "- you can't start a verification session on it"; - return nullptr; - } - return d->encryptionData->setupKeyVerificationSession(userId, deviceId, - this); + return stringFromRust((*d->cryptoMachine)->decrypt_room_event(stringToRust(room->id()), bytesToRust(event))); } -void Connection::sendToDevice(const QString& targetUserId, - const QString& targetDeviceId, const Event& event, - bool encrypted) +void Connection::Private::acceptKeyVerification(KeyVerificationSession* session) { - if (encrypted && !d->encryptionData) { - qWarning(E2EE) << "E2EE is off for" << objectName() - << "- no encrypted to-device message will be sent"; - return; - } - - const auto contentJson = - encrypted - ? d->encryptionData->assembleEncryptedContent(event.fullJson(), - targetUserId, - targetDeviceId) - : event.contentJson(); - sendToDevices(encrypted ? EncryptedEvent::TypeId : event.matrixType(), - { { targetUserId, { { targetDeviceId, contentJson } } } }); + auto outgoing = (*cryptoMachine)->accept_verification(stringToRust(session->remoteUser()), stringToRust(session->verificationId())); + q->callApi(stringFromRust(outgoing->to_device_event_type()), stringFromRust(outgoing->to_device_txn_id()), fromJson>>(jsonFromRust(outgoing->to_device_messages()))); + auto state = (*cryptoMachine)->verification_get_state(stringToRust(session->remoteUser()), stringToRust(session->verificationId())); + session->setState((KeyVerificationSession::State) state); } -bool Connection::isVerifiedSession(const QByteArray& megolmSessionId) const +void Connection::Private::startKeyVerification(KeyVerificationSession* session) { - auto query = database()->prepareQuery("SELECT olmSessionId FROM inbound_megolm_sessions WHERE sessionId=:sessionId;"_L1); - query.bindValue(":sessionId"_L1, megolmSessionId); - database()->execute(query); - if (!query.next()) { - return false; - } - const auto olmSessionId = query.value("olmSessionId"_L1).toString(); - if (olmSessionId == "BACKUP_VERIFIED"_L1) { - return true; - } - if (olmSessionId == "SELF"_L1) { - return true; - } - query.prepare("SELECT senderKey FROM olm_sessions WHERE sessionId=:sessionId;"_L1); - query.bindValue(":sessionId"_L1, olmSessionId.toLatin1()); - database()->execute(query); - if (!query.next()) { - return false; - } - const auto curveKey = query.value("senderKey"_L1).toString(); - - query.prepare("SELECT matrixId, selfVerified, verified FROM tracked_devices WHERE curveKey=:curveKey;"_L1); - query.bindValue(":curveKey"_L1, curveKey); - database()->execute(query); - if (!query.next()) { - return false; + auto startSas = (*cryptoMachine)->start_sas(stringToRust(session->remoteUser()), stringToRust(session->verificationId())); + if (!session->room()) { + q->callApi(stringFromRust(startSas->to_device_event_type()), stringFromRust(startSas->to_device_txn_id()), fromJson>>(jsonFromRust(startSas->to_device_messages()))); + } else { + auto json = jsonFromRust(startSas->in_room_content()); + auto transactionId = stringFromRust(startSas->in_room_txn_id()); + //TODO: this is wrong (content <-> full), but i also think we don't need it json[u"unsigned"_s] = QJsonObject { {u"transaction_id"_s, transactionId} }; + session->room()->postJson(u"m.key.verification.start"_s, json); } - const auto userId = query.value("matrixId"_L1).toString(); - return query.value("verified"_L1).toBool() || (isUserVerified(userId) && query.value("selfVerified"_L1).toBool()); } -QString Connection::masterKeyForUser(const QString& userId) const +void Connection::Private::confirmKeyVerification(KeyVerificationSession* session) { - auto query = database()->prepareQuery("SELECT key FROM master_keys WHERE userId=:userId"_L1); - query.bindValue(":userId"_L1, userId); - database()->execute(query); - return query.next() ? query.value("key"_L1).toString() : QString(); + for (const auto& request : (*cryptoMachine)->confirm_verification(stringToRust(session->remoteUser()), stringToRust(session->verificationId()))) { + if (!session->room()) { + //TODO: mark requests as sent?! (also in other places?!) + q->callApi(stringFromRust(request.to_device_event_type()), stringFromRust(request.to_device_txn_id()), fromJson>>(jsonFromRust(request.to_device_messages()))); + } else { + session->room()->postJson(u"m.key.verification.mac"_s, jsonFromRust(request.in_room_content())); + } + } } -bool Connection::isUserVerified(const QString& userId) const +KeyVerificationSession::State Connection::Private::keyVerificationSessionState(KeyVerificationSession* session) { - auto query = database()->prepareQuery("SELECT verified FROM master_keys WHERE userId=:userId"_L1); - query.bindValue(":userId"_L1, userId); - database()->execute(query); - return query.next() && query.value("verified"_L1).toBool(); + auto state = (KeyVerificationSession::State) (*cryptoMachine)->verification_get_state(stringToRust(session->remoteUser()), stringToRust(session->verificationId())); + if (state == KeyVerificationSession::State::TRANSITIONED) { + auto sasState = (KeyVerificationSession::State) (*cryptoMachine)->sas_state(stringToRust(session->remoteUser()), stringToRust(session->verificationId())); + if (sasState == 2) { + state = KeyVerificationSession::KEYSEXCHANGED; + } else if (sasState == 3) { + state = KeyVerificationSession::CONFIRMED; + } else { + qWarning() << "unexpected state" << state << sasState; + } + } + return state; } -bool Connection::isVerifiedDevice(const QString& userId, const QString& deviceId) const +QList> Connection::Private::keyVerificationSasEmoji(KeyVerificationSession* session) { - auto query = database()->prepareQuery("SELECT verified, selfVerified FROM tracked_devices WHERE deviceId=:deviceId AND matrixId=:matrixId;"_L1); - query.bindValue(":deviceId"_L1, deviceId); - query.bindValue(":matrixId"_L1, userId); - database()->execute(query); - if (!query.next()) { - return false; + auto e = (*cryptoMachine)->sas_emoji(stringToRust(session->remoteUser()), stringToRust(session->verificationId())); + + QList> out; + + for (const auto& emoji : e) { + out += {stringFromRust(emoji.symbol()), stringFromRust(emoji.description())}; } - return query.value("verified"_L1).toBool() || (isUserVerified(userId) && query.value("selfVerified"_L1).toBool()); + return out; } -bool Connection::isKnownE2eeCapableDevice(const QString& userId, const QString& deviceId) const +void Connection::Private::requestDeviceVerification(KeyVerificationSession* session) { - auto query = database()->prepareQuery("SELECT verified FROM tracked_devices WHERE deviceId=:deviceId AND matrixId=:matrixId;"_L1); - query.bindValue(":deviceId"_L1, deviceId); - query.bindValue(":matrixId"_L1, userId); - database()->execute(query); - return query.next(); + auto request = (*cryptoMachine)->request_device_verification(stringToRust(session->remoteUser()), stringToRust(session->remoteDevice())); + q->callApi(stringFromRust(request->to_device_event_type()), stringFromRust(request->to_device_txn_id()), fromJson>>(jsonFromRust(request->to_device_messages()))); + session->setVerificationId(stringFromRust(request->verification_id())); } -bool Connection::hasConflictingDeviceIdsAndCrossSigningKeys(const QString& userId) +bool Connection::isVerifiedEvent(const QString& eventId, Room* room) { - if (d->encryptionData) { - return d->encryptionData->hasConflictingDeviceIdsAndCrossSigningKeys(userId); + if (eventId.isEmpty()) { + return false; } - return true; -} -void Connection::reloadDevices() -{ - if (d->encryptionData) { - d->encryptionData->reloadDevices(); + const auto timelineIt = room->findInTimeline(eventId); + if (timelineIt == room->historyEdge()) { + return false; } -} -Connection* Connection::makeMockConnection(const QString& mxId, bool enableEncryption) -{ - auto* c = new Connection; - c->enableEncryption(enableEncryption); - c->d->completeSetup(mxId); - return c; + auto event = timelineIt->get(); + + QJsonObject json; + + if (event->is()) { + json = event->fullJson(); + } else if (const auto& originalEvent = event->originalEvent()) { + json = originalEvent->fullJson(); + } + auto rustJson = bytesToRust(QJsonDocument(json).toJson(QJsonDocument::Compact)); + auto info = (*d->cryptoMachine)->get_room_event_encryption_info(rustJson, stringToRust(room->id())); + return info->is_verified(); } -QStringList Connection::accountDataEventTypes() const +Quotient::KeyVerificationSession* Connection::requestUserVerification(Room* room) { - QStringList events; - events.reserve(d->accountData.size()); - for (const auto& [key, value] : std::as_const(d->accountData)) { - events += key; - } - return events; + auto session = KeyVerificationSession::requestUserVerification(room, this); + Q_EMIT newKeyVerificationSession(session); + return session; } -void Connection::startSelfVerification() +void Connection::Private::requestUserVerification(KeyVerificationSession* session) { - auto query = database()->prepareQuery("SELECT deviceId FROM tracked_devices WHERE matrixId=:matrixId AND selfVerified=1;"_L1); - query.bindValue(":matrixId"_L1, userId()); - database()->execute(query); - QStringList devices; - while(query.next()) { - auto id = query.value("deviceId"_L1).toString(); - if (id != deviceId()) { - devices += id; + auto request = (*cryptoMachine)->request_user_verification_content(stringToRust(session->remoteUser())); + auto transactionId = session->room()->postJson(u"m.room.message"_s, jsonFromRust(request)); + connectUntil(session->room(), &Room::pendingEventAboutToMerge, q, [=](const auto &event) { + if (event->transactionId() != transactionId) { + return false; } - } - for (const auto &device : devices) { - auto session = new KeyVerificationSession(userId(), device, this); - d->encryptionData->verificationSessions[session->transactionId()] = session; - connect(session, &QObject::destroyed, this, [this, session] { - d->encryptionData->verificationSessions.remove(session->transactionId()); - }); - connectUntil(this, &Connection::keyVerificationStateChanged, this, [session, this](const auto &changedSession, const auto state){ - if (changedSession->transactionId() == session->transactionId() && state != KeyVerificationSession::CANCELED) { - emit newKeyVerificationSession(session); - return true; - } - return state == KeyVerificationSession::CANCELED; - }); - } + + auto rustSession = (*cryptoMachine)->request_user_verification(stringToRust(session->remoteUser()), stringToRust(session->room()->id()), stringToRust(event->id())); + session->setVerificationId(stringFromRust(rustSession->verification_id())); + return true; + }); } -bool Connection::allSessionsSelfVerified(const QString& userId) const +void Connection::receiveVerificationEvent(const QByteArray& fullJson) { - auto query = database()->prepareQuery("SELECT deviceId FROM tracked_devices WHERE matrixId=:matrixId AND selfVerified=0;"_L1); - query.bindValue(":matrixId"_L1, userId); - database()->execute(query); - return !query.next(); + (*d->cryptoMachine)->receive_verification_event(bytesToRust(fullJson)); } + +//TODO limit query key jobs to 1 diff --git a/Quotient/connection.h b/Quotient/connection.h index e644eecb6..0a6d2da97 100644 --- a/Quotient/connection.h +++ b/Quotient/connection.h @@ -14,8 +14,6 @@ #include "csapi/login.h" #include "csapi/content-repo.h" -#include "e2ee/qolmoutboundsession.h" - #include "events/accountdataevents.h" #include "jobs/jobhandle.h" @@ -51,12 +49,8 @@ class DownloadFileJob; class SendToDeviceJob; class SendMessageJob; class LeaveRoomJob; -class Database; struct EncryptedFileMetadata; -class QOlmAccount; -class QOlmInboundGroupSession; - using LoginFlow = GetLoginFlowsJob::LoginFlow; //! Predefined login flows @@ -332,53 +326,36 @@ class QUOTIENT_API Connection : public QObject { QString deviceId() const; QByteArray accessToken() const; bool isLoggedIn() const; - QOlmAccount* olmAccount() const; - Database* database() const; - - std::unordered_map loadRoomMegolmSessions( - const Room* room) const; - void saveMegolmSession(const Room* room, - const QOlmInboundGroupSession& session, const QByteArray &senderKey, const QByteArray& senderEdKey) const; - - QString edKeyForUserDevice(const QString& userId, - const QString& deviceId) const; - QString curveKeyForUserDevice(const QString& userId, - const QString& device) const; - bool hasOlmSession(const QString& user, const QString& deviceId) const; // This assumes that an olm session already exists. If it doesn't, no message is sent. void sendToDevice(const QString& targetUserId, const QString& targetDeviceId, const Event& event, bool encrypted); - //! Returns true if this megolm session comes from a verified device - bool isVerifiedSession(const QByteArray& megolmSessionId) const; - //! Returns whether the device is verified - bool isVerifiedDevice(const QString& userId, const QString& deviceId) const; + //! \brief Returns whether this event comes from a verified device + bool isVerifiedEvent(const QString& eventId, Room* room); - //! \brief Returns whether the device is known and supports end-to-end encryption. - //! - //! This might give unexpected results for users we're not tracking, - //! i.e., users that we don't share an encrypted room with - bool isKnownE2eeCapableDevice(const QString& userId, const QString& deviceId) const; + // //! Returns whether the device is verified + // bool isVerifiedDevice(const QString& userId, const QString& deviceId) const; + // //! \brief Returns whether the device is known and supports end-to-end encryption. + // //! + // //! This might give unexpected results for users we're not tracking, + // //! i.e., users that we don't share an encrypted room with + // bool isKnownE2eeCapableDevice(const QString& userId, const QString& deviceId) const; + // - void sendSessionKeyToDevices(const QString& roomId, - const QOlmOutboundGroupSession& outboundSession, - const QMultiHash& devices); + //TODO + // void sendSessionKeyToDevices(const QString& roomId, + // const QOlmOutboundGroupSession& outboundSession, + // const QMultiHash& devices); QJsonObject decryptNotification(const QJsonObject ¬ification); QStringList devicesForUser(const QString& userId) const; - Q_INVOKABLE bool isQueryingKeys() const; - QFuture requestKeyFromDevices(event_type_t name); - QString masterKeyForUser(const QString& userId) const; - Q_INVOKABLE bool isUserVerified(const QString& userId) const; + // Q_INVOKABLE bool isUserVerified(const QString& userId) const; Q_INVOKABLE bool allSessionsSelfVerified(const QString& userId) const; - bool hasConflictingDeviceIdsAndCrossSigningKeys(const QString& userId); - - void reloadDevices(); Q_INVOKABLE Quotient::SyncJob* syncJob() const; Q_INVOKABLE QString nextBatchToken() const; @@ -760,12 +737,19 @@ public Q_SLOTS: Quotient::KeyVerificationSession* startKeyVerificationSession(const QString& userId, const QString& deviceId); + Quotient::KeyVerificationSession* requestUserVerification(Room* room); + Q_INVOKABLE void startSelfVerification(); - void encryptionUpdate(const Room* room, const QStringList& invitedIds = {}); static Connection* makeMockConnection(const QString& mxId, bool enableEncryption = true); + QFuture shareRoomKey(Room* room); + QString encryptRoomEvent(Room* room, const QByteArray& content, const QString& type); + QString decryptRoomEvent(Room* room, const QByteArray& event); + + void receiveVerificationEvent(const QByteArray& fullJson); + Q_SIGNALS: //! \brief Initial server resolution has failed //! @@ -914,20 +898,15 @@ public Q_SLOTS: void cacheStateChanged(); void lazyLoadingChanged(); void turnServersChanged(const QJsonObject& servers); - void devicesListLoaded(); //! Encryption has been enabled or disabled void encryptionChanged(bool enabled); void directChatsEncryptionChanged(bool enabled); void newKeyVerificationSession(Quotient::KeyVerificationSession* session); - void keyVerificationStateChanged( - const Quotient::KeyVerificationSession* session, - Quotient::KeyVerificationSession::State state); - void sessionVerified(const QString& userId, const QString& deviceId); - void finishedQueryingKeys(); - void secretReceived(const QString& requestId, const QString& secret); + // TODO: make sure these still work + void sessionVerified(const QString& userId, const QString& deviceId); void userVerified(const QString& userId); //! The account does not yet have cross-signing keys. The client should ask the user @@ -939,6 +918,7 @@ public Q_SLOTS: void ready(); friend class ::TestCrossSigning; + friend class KeyVerificationSession; protected: //! Access the underlying ConnectionData class const ConnectionData* connectionData() const; diff --git a/Quotient/connection_p.h b/Quotient/connection_p.h index 216bf305a..59959b206 100644 --- a/Quotient/connection_p.h +++ b/Quotient/connection_p.h @@ -7,7 +7,6 @@ #include "avatar.h" #include "connection.h" #include "connectiondata.h" -#include "connectionencryptiondata_p.h" #include "settings.h" #include "syncdata.h" @@ -19,6 +18,8 @@ #include +#include + namespace Quotient { class Q_DECL_HIDDEN Quotient::Connection::Private { @@ -51,6 +52,8 @@ class Q_DECL_HIDDEN Quotient::Connection::Private { std::unordered_map accountData; QMetaObject::Connection syncLoopConnection {}; int syncTimeout = -1; + std::optional> cryptoMachine; + rust::Vec keyVerificationSessions; GetVersionsJob::Response apiVersions{}; GetCapabilitiesJob::Capabilities capabilities{}; @@ -61,7 +64,6 @@ class Q_DECL_HIDDEN Quotient::Connection::Private { bool useEncryption = encryptionDefault; static inline bool directChatEncryptionDefault = false; bool encryptDirectChats = directChatEncryptionDefault; - std::unique_ptr<_impl::ConnectionEncryptionData> encryptionData; JobHandle resolverJob = nullptr; JobHandle loginFlowsJob = nullptr; @@ -125,5 +127,32 @@ class Q_DECL_HIDDEN Quotient::Connection::Private { void saveAccessTokenToKeychain() const; void dropAccessToken(); + void processOutgoingRequests(); + + //! \brief Send an m.key.verification.accept event to the session + //! \param session The session to send the event to + void acceptKeyVerification(KeyVerificationSession* session); + + //! \brief Send an m.key.verification.start event to the session + //! This does not start a new verification session + //! \param session The session to send the event to + void startKeyVerification(KeyVerificationSession* session); + + //! \brief Send an m.key.verification.mac event to the session + //! This is sent after the user confirms that the sas emoji match + //! \param session The session to send the event to + void confirmKeyVerification(KeyVerificationSession* session); + + //! \brief Query the state of a key verification session + //! \param session The session to query the state for + KeyVerificationSession::State keyVerificationSessionState(KeyVerificationSession* session); + + //! \brief Query the sas emoji of a session + //! If the session is not in a state to show emoji, the return value + //! \param session The session to query the emoji for + QList> keyVerificationSasEmoji(KeyVerificationSession* session); + + void requestDeviceVerification(KeyVerificationSession* session); + void requestUserVerification(KeyVerificationSession* session); }; } // namespace Quotient diff --git a/Quotient/connectionencryptiondata_p.cpp b/Quotient/connectionencryptiondata_p.cpp deleted file mode 100644 index 4e362eb40..000000000 --- a/Quotient/connectionencryptiondata_p.cpp +++ /dev/null @@ -1,1025 +0,0 @@ -#include "connectionencryptiondata_p.h" - -#include "logging_categories_p.h" -#include "qt_connection_util.h" -#include "room.h" -#include "syncdata.h" -#include "user.h" - -#include "e2ee/qolmutility.h" - -#include "events/encryptedevent.h" -#include "events/roomkeyevent.h" - -#include - -#include -#include - -using namespace Quotient; -using namespace Quotient::_impl; - -// Below, encryptionData gets filled inside setupPicklingKey() instead of returning the future for -// a pickling key and then, in CED::setup(), another future for ConnectionEncryptionData because -// Qt versions before 6.5.2 don't handle QFutures with move-only data quite well (see QTBUG-112513). -// Oh, and unwrap() doesn't work with move-only types at all (QTBUG-127423). So it is a bit more -// verbose and repetitive than it should be. - -inline QFuture runKeychainJob(QKeychain::Job* j, const QString& keychainId) -{ - j->setAutoDelete(true); - j->setKey(keychainId); - auto ft = QtFuture::connect(j, &QKeychain::Job::finished); - j->start(); - return ft; -} - -QFuture setupPicklingKey(Connection* connection, - std::unique_ptr& encryptionData) -{ - using namespace QKeychain; - const auto keychainId = connection->userId() + "-Pickle"_L1; - qCInfo(MAIN) << "Keychain request: app" << qAppName() << "id" << keychainId; - - return runKeychainJob(new ReadPasswordJob(qAppName()), keychainId) - .then([keychainId, &encryptionData, connection](const Job* j) -> QFuture { - // The future will hold nullptr if the existing pickling key was found and no write is - // pending; a pointer to the write job if if a new key was made and is being written; - // be cancelled in case of an error. - switch (const auto readJob = static_cast(j); readJob->error()) { - case Error::NoError: { - auto&& data = readJob->binaryData(); - if (data.size() == PicklingKey::extent) { - qDebug(E2EE) << "Successfully loaded pickling key from keychain"; - encryptionData = std::make_unique( - connection, PicklingKey::fromByteArray(std::move(data))); - return QtFuture::makeReadyFuture(nullptr); - } - qCritical(E2EE) - << "The pickling key loaded from" << keychainId << "has length" - << data.size() << "but the library expected" << PicklingKey::extent; - return {}; - } - case Error::EntryNotFound: { - auto&& picklingKey = PicklingKey::generate(); - auto writeJob = new WritePasswordJob(qAppName()); - writeJob->setBinaryData(picklingKey.viewAsByteArray()); - encryptionData = std::make_unique( - connection, std::move(picklingKey)); // the future may still get cancelled - qDebug(E2EE) << "Saving a new pickling key to the keychain"; - return runKeychainJob(writeJob, keychainId); - } - default: - qWarning(E2EE) << "Error loading pickling key - please fix your keychain:" - << readJob->errorString(); - } - return {}; - }) - .unwrap() - .then([](QFuture writeFuture) { - if (const Job* const writeJob = writeFuture.result(); - writeJob && writeJob->error() != Error::NoError) // - { - qCritical(E2EE) << "Could not save pickling key to keychain: " - << writeJob->errorString(); - writeFuture.cancel(); - } - }); -} - -QFuture ConnectionEncryptionData::setup(Connection* connection, - std::unique_ptr& result, - bool clearDatabase) -{ - return setupPicklingKey(connection, result) - .then([connection, &result, clearDatabase] { - if (clearDatabase) { - qCInfo(E2EE) << "Clearing the database for account" << connection->objectName(); - result->database.clear(); - } - if (const auto outcome = result->database.setupOlmAccount(result->olmAccount)) { - if (outcome == OLM_SUCCESS) { - qCDebug(E2EE) << "The existing Olm account successfully unpickled"; - return true; - } - - qCritical(E2EE) << "Could not unpickle Olm account for" << connection->objectName(); - return false; - } - qCDebug(E2EE) << "A new Olm account has been created, uploading device keys"; - connection->callApi(result->olmAccount.deviceKeys()) - .then(connection, - [connection, &result] { - result->trackedUsers += connection->userId(); - result->outdatedUsers += connection->userId(); - result->encryptionUpdateRequired = true; - }, - [](auto* job) { - qCWarning(E2EE) << "Failed to upload device keys:" << job->errorString(); - }); - return true; - }) - .onCanceled([connection] { - qCritical(E2EE) << "Could not setup E2EE for" << connection->objectName(); - return false; - }); -} - -void ConnectionEncryptionData::saveDevicesList() -{ - database.transaction(); - auto query = database.prepareQuery(u"DELETE FROM tracked_users"_s); - database.execute(query); - query.prepare(u"INSERT INTO tracked_users(matrixId) VALUES(:matrixId);"_s); - for (const auto& user : std::as_const(trackedUsers)) { - query.bindValue(u":matrixId"_s, user); - database.execute(query); - } - - query.prepare(u"DELETE FROM outdated_users"_s); - database.execute(query); - query.prepare(u"INSERT INTO outdated_users(matrixId) VALUES(:matrixId);"_s); - for (const auto& user : std::as_const(outdatedUsers)) { - query.bindValue(u":matrixId"_s, user); - database.execute(query); - } - - query.prepare( - u"INSERT INTO tracked_devices" - "(matrixId, deviceId, curveKeyId, curveKey, edKeyId, edKey, verified, selfVerified) " - "VALUES (:matrixId, :deviceId, :curveKeyId, :curveKey, :edKeyId, :edKey, :verified, :selfVerified);"_s); - for (const auto& [user, devices] : deviceKeys.asKeyValueRange()) { - auto deleteQuery = - database.prepareQuery(u"DELETE FROM tracked_devices WHERE matrixId=:matrixId;"_s); - deleteQuery.bindValue(u":matrixId"_s, user); - database.execute(deleteQuery); - for (const auto& device : std::as_const(devices)) { - const auto keys = device.keys.asKeyValueRange(); - deleteQuery.prepare( - u"DELETE FROM tracked_devices WHERE matrixId=:matrixId AND deviceId=:deviceId;"_s); - deleteQuery.bindValue(u":matrixId"_s, user); - deleteQuery.bindValue(u":deviceId"_s, device.deviceId); - database.execute(deleteQuery); - - if (device.deviceId.isEmpty()) { - qCCritical(E2EE) << "Clearing an invalid tracked device record with empty deviceId"; - continue; - } - const auto curveKeyIt = std::ranges::find_if(keys, [](const auto& p) { - return p.first.startsWith("curve"_L1); - }); - const auto edKeyIt = std::ranges::find_if(keys, [](const auto& p) { - return p.first.startsWith("ed"_L1); - }); - if (curveKeyIt == keys.end() || edKeyIt == keys.end()) { - qCCritical(E2EE) << "Clearing an invalid tracked device record due to keys missing"; - continue; - } - - query.bindValue(u":matrixId"_s, user); - query.bindValue(u":deviceId"_s, device.deviceId); - query.bindValue(u":curveKeyId"_s, curveKeyIt->first); - query.bindValue(u":curveKey"_s, curveKeyIt->second); - query.bindValue(u":edKeyId"_s, edKeyIt->first); - query.bindValue(u":edKey"_s, edKeyIt->second); - // If the device gets saved here, it can't be verified - query.bindValue(u":verified"_s, verifiedDevices[user][device.deviceId]); - query.bindValue(u":selfVerified"_s, selfVerifiedDevices[user][device.deviceId]); - - database.execute(query); - } - } - database.commit(); -} - -void ConnectionEncryptionData::loadDevicesList() -{ - auto query = - database.prepareQuery(QStringLiteral("SELECT * FROM tracked_users;")); - database.execute(query); - while (query.next()) { - trackedUsers += query.value(0).toString(); - } - - query = - database.prepareQuery(QStringLiteral("SELECT * FROM outdated_users;")); - database.execute(query); - while (query.next()) { - outdatedUsers += query.value(0).toString(); - } - - static const QStringList Algorithms{ SupportedAlgorithms.cbegin(), - SupportedAlgorithms.cend() }; - query = - database.prepareQuery(QStringLiteral("SELECT * FROM tracked_devices;")); - database.execute(query); - while (query.next()) { - deviceKeys[query.value("matrixId"_L1).toString()].insert( - query.value("deviceId"_L1).toString(), - { - .userId = query.value("matrixId"_L1).toString(), - .deviceId = query.value("deviceId"_L1).toString(), - .algorithms = Algorithms, - .keys{ { query.value("curveKeyId"_L1).toString(), - query.value("curveKey"_L1).toString() }, - { query.value("edKeyId"_L1).toString(), - query.value("edKey"_L1).toString() } }, - .signatures{} // not needed after initial validation so not saved - }); - selfVerifiedDevices[query.value("matrixId"_L1).toString()][query.value("deviceId"_L1).toString()] = query.value("selfVerified"_L1).toBool(); - verifiedDevices[query.value("matrixId"_L1).toString()][query.value("deviceId"_L1).toString()] = query.value("verified"_L1).toBool(); - } -} - -QString ConnectionEncryptionData::curveKeyForUserDevice( - const QString& userId, const QString& device) const -{ - return deviceKeys[userId][device].keys["curve25519:"_L1 + device]; -} - -bool ConnectionEncryptionData::isKnownCurveKey(const QString& userId, - const QString& curveKey) const -{ - auto query = database.prepareQuery( - QStringLiteral("SELECT * FROM tracked_devices WHERE matrixId=:matrixId " - "AND curveKey=:curveKey")); - query.bindValue(":matrixId"_L1, userId); - query.bindValue(":curveKey"_L1, curveKey); - database.execute(query); - return query.next(); -} - -bool ConnectionEncryptionData::hasOlmSession(const QString& user, - const QString& deviceId) const -{ - const auto& curveKey = curveKeyForUserDevice(user, deviceId).toLatin1(); - const auto sessionIt = olmSessions.find(curveKey); - return sessionIt != olmSessions.cend() && !sessionIt->second.empty(); -} - -void ConnectionEncryptionData::onSyncSuccess(SyncData& syncResponse) -{ - oneTimeKeysCount = syncResponse.deviceOneTimeKeysCount(); - if (oneTimeKeysCount[SignedCurve25519Key] - < 0.4 * olmAccount.maxNumberOfOneTimeKeys() - && !isUploadingKeys) { - isUploadingKeys = true; - olmAccount.generateOneTimeKeys(olmAccount.maxNumberOfOneTimeKeys() / 2 - - oneTimeKeysCount[SignedCurve25519Key]); - auto keys = olmAccount.oneTimeKeys(); - auto job = olmAccount.createUploadKeyRequest(keys); - q->run(job, ForegroundRequest); - QObject::connect(job, &BaseJob::success, q, - [this] { olmAccount.markKeysAsPublished(); }); - QObject::connect(job, &BaseJob::result, q, - [this] { isUploadingKeys = false; }); - } - if(firstSync) { - loadDevicesList(); - firstSync = false; - } - - consumeDevicesList(syncResponse.takeDevicesList()); - - auto checkQuery = database.prepareQuery("SELECT * FROM master_keys WHERE userId=:userId"_L1); - checkQuery.bindValue(":userId"_L1, q->userId()); - database.execute(checkQuery); - const auto haveMasterKey = checkQuery.next(); - if (trackedUsers.contains(q->userId()) && !outdatedUsers.contains(q->userId()) && !haveMasterKey) { - emit q->crossSigningSetupRequired(); - } - -} - -void ConnectionEncryptionData::consumeDevicesList(const DevicesList& devicesList) -{ - bool hasNewOutdatedUser = false; - for(const auto &changed : devicesList.changed) { - if(trackedUsers.contains(changed)) { - outdatedUsers += changed; - hasNewOutdatedUser = true; - } - } - for(const auto &left : devicesList.left) { - trackedUsers -= left; - outdatedUsers -= left; - deviceKeys.remove(left); - } - if(hasNewOutdatedUser) - loadOutdatedUserDevices(); -} - -void ConnectionEncryptionData::loadOutdatedUserDevices() -{ - QHash users; - for(const auto &user : outdatedUsers) { - users[user] += QStringList(); - } - currentQueryKeysJob.abandon(); // Cancel network request explicitly - currentQueryKeysJob = q->callApi(users).onResult(q, [this](QueryKeysJob* job) { - if (job->status().good()) - handleQueryKeys(collectResponse(job)); - - emit q->finishedQueryingKeys(); - }); -} - -void ConnectionEncryptionData::consumeToDeviceEvent(EventPtr toDeviceEvent) -{ - if (processIfVerificationEvent(*toDeviceEvent, false)) - return; - if (auto&& event = eventCast(std::move(toDeviceEvent))) { - if (event->algorithm() != OlmV1Curve25519AesSha2AlgoKey) { - qCDebug(E2EE) << "Unsupported algorithm" << event->id() - << "for event" << event->algorithm(); - return; - } - if (isKnownCurveKey(event->senderId(), event->senderKey())) { - handleEncryptedToDeviceEvent(*event); - return; - } - trackedUsers += event->senderId(); - outdatedUsers += event->senderId(); - encryptionUpdateRequired = true; - pendingEncryptedEvents.push_back(std::move(event)); - } -} - -bool ConnectionEncryptionData::processIfVerificationEvent(const Event& evt, - bool encrypted) -{ - return switchOnType( - evt, - [this, encrypted](const KeyVerificationRequestEvent& reqEvt) { - setupKeyVerificationSession(reqEvt.fullJson()[SenderKey].toString(), - reqEvt, q, encrypted); - return true; - }, - [](const KeyVerificationDoneEvent&) { - qCDebug(E2EE) << "Ignoring m.key.verification.done"; - return true; - }, - [this](const KeyVerificationEvent& kvEvt) { - if (auto* const session = - verificationSessions.value(kvEvt.transactionId())) { - qCDebug(E2EE) << "Handling" << kvEvt.matrixType(); - session->handleEvent(kvEvt); - emit q->keyVerificationStateChanged(session, session->state()); - } - return true; - }, - false); -} - -class SecretSendEvent : public Event { -public: - using Event::Event; - QUO_EVENT(SecretSendEvent, "m.secret.send") - QUO_CONTENT_GETTER(QString, requestId) - QUO_CONTENT_GETTER(QString, secret) -}; - -void ConnectionEncryptionData::handleEncryptedToDeviceEvent(const EncryptedEvent& event) -{ - const auto [decryptedEvent, olmSessionId] = sessionDecryptMessage(event); - if (!decryptedEvent) { - qCWarning(E2EE) << "Failed to decrypt to-device event from device" - << event.deviceId(); - return; - } - - if (processIfVerificationEvent(*decryptedEvent, true)) - return; - decryptedEvent->switchOnType( - [this, &event, olmSessionId](const RoomKeyEvent& roomKeyEvent) { - if (auto* detectedRoom = q->room(roomKeyEvent.roomId())) { - detectedRoom->handleRoomKeyEvent(roomKeyEvent, event.senderId(), - olmSessionId, event.senderKey().toLatin1(), q->edKeyForUserDevice(event.senderId(), event.deviceId()).toLatin1()); - } else { - qCDebug(E2EE) - << "Encrypted event room id" << roomKeyEvent.roomId() - << "is not found at the connection" << q->objectName(); - } - }, - [this](const SecretSendEvent& sse) { - emit q->secretReceived(sse.requestId(), sse.secret()); - }, - [](const Event& evt) { - qCWarning(E2EE) << "Skipping encrypted to_device event, type" << evt.matrixType(); - }); -} - -void ConnectionEncryptionData::handleMasterKeys(const QHash& masterKeys) -{ - for (const auto &[userId, key] : asKeyValueRange(masterKeys)) { - if (key.userId != userId) { - qCWarning(E2EE) << "Master key: userId mismatch" << key.userId << userId; - continue; - } - if (!key.usage.contains("master"_L1)) { - qCWarning(E2EE) << "Master key: invalid usage" << key.usage; - continue; - } - auto checkQuery = database.prepareQuery("SELECT * FROM master_keys WHERE userId=:userId"_L1); - checkQuery.bindValue(":userId"_L1, key.userId); - database.execute(checkQuery); - if (checkQuery.next()) { - if (checkQuery.value("key"_L1).toString() == key.keys.values()[0]) { - continue; - } - qCWarning(E2EE) << "New master key for" << key.userId; - database.transaction(); - auto query = database.prepareQuery( - "UPDATE tracked_devices SET verified=0, selfVerified=0 WHERE matrixId=:matrixId;"_L1); - query.bindValue(":matrixId"_L1, userId); - database.execute(query); - query = database.prepareQuery("DELETE FROM self_signing_keys WHERE userId=:userId;"_L1); - query.bindValue(":userId"_L1, userId); - database.execute(query); - database.commit(); - } - - auto query = database.prepareQuery("DELETE FROM master_keys WHERE userId=:userId;"_L1); - query.bindValue(":userId"_L1, userId); - database.execute(query); - query = database.prepareQuery("INSERT INTO master_keys(userId, key, verified) VALUES(:userId, :key, false);"_L1); - query.bindValue(":userId"_L1, userId); - query.bindValue(":key"_L1, key.keys.values()[0]); - database.execute(query); - } -} - -namespace { -QString getEd25519Signature(const CrossSigningKey& keyObject, const QString& userId, - const QString& masterKey) -{ - return keyObject.signatures[userId]["ed25519:"_L1 + masterKey].toString(); -} -} - -void ConnectionEncryptionData::handleSelfSigningKeys(const QHash& selfSigningKeys) -{ - for (const auto &[userId, key] : asKeyValueRange(selfSigningKeys)) { - if (key.userId != userId) { - qCWarning(E2EE) << "Self signing key: userId mismatch"<< key.userId << userId; - continue; - } - if (!key.usage.contains("self_signing"_L1)) { - qCWarning(E2EE) << "Self signing key: invalid usage" << key.usage; - continue; - } - const auto masterKey = q->masterKeyForUser(userId); - if (masterKey.isEmpty()) - continue; - - auto checkQuery = database.prepareQuery("SELECT key FROM self_signing_keys WHERE userId=:userId;"_L1); - checkQuery.bindValue(":userId"_L1, userId); - database.execute(checkQuery); - if (checkQuery.next()) { - auto oldKey = checkQuery.value("key"_L1).toString(); - if (oldKey != key.keys.values()[0]) { - qCWarning(E2EE) << "New self-signing key for" << userId << ". Marking all devices as unverified."; - database.transaction(); - auto query = database.prepareQuery( - "UPDATE tracked_devices SET verified=0, selfVerified=0 WHERE matrixId=:matrixId;"_L1); - query.bindValue(":matrixId"_L1, userId); - database.execute(query); - database.commit(); - } - } - - if (!ed25519VerifySignature(masterKey, toJson(key), - getEd25519Signature(key, userId, masterKey))) { - qCWarning(E2EE) << "Self signing key: failed signature verification" << userId; - continue; - } - auto query = database.prepareQuery("DELETE FROM self_signing_keys WHERE userId=:userId;"_L1); - query.bindValue(":userId"_L1, userId); - database.execute(query); - query = database.prepareQuery("INSERT INTO self_signing_keys(userId, key) VALUES(:userId, :key);"_L1); - query.bindValue(":userId"_L1, userId); - query.bindValue(":key"_L1, key.keys.values()[0]); - database.execute(query); - } -} - -void ConnectionEncryptionData::handleUserSigningKeys(const QHash& userSigningKeys) -{ - for (const auto &[userId, key] : asKeyValueRange(userSigningKeys)) { - if (key.userId != userId) { - qWarning() << "User signing key: userId mismatch" << key.userId << userId; - continue; - } - if (!key.usage.contains("user_signing"_L1)) { - qWarning() << "User signing key: invalid usage" << key.usage; - continue; - } - const auto masterKey = q->masterKeyForUser(userId); - if (masterKey.isEmpty()) - continue; - - auto checkQuery = database.prepareQuery("SELECT key FROM user_signing_keys WHERE userId=:userId"_L1); - checkQuery.bindValue(":userId"_L1, userId); - database.execute(checkQuery); - if (checkQuery.next()) { - auto oldKey = checkQuery.value("key"_L1).toString(); - if (oldKey != key.keys.values()[0]) { - qCWarning(E2EE) << "New user signing key; marking all master signing keys as unverified" << userId; - database.transaction(); - auto query = database.prepareQuery( - "UPDATE master_keys SET verified=0;"_L1); - database.execute(query); - database.commit(); - } - } - - if (!ed25519VerifySignature(masterKey, toJson(key), - getEd25519Signature(key, userId, masterKey))) { - qWarning() << "User signing key: failed signature verification" << userId; - continue; - } - auto query = database.prepareQuery("DELETE FROM user_signing_keys WHERE userId=:userId;"_L1); - query.bindValue(":userId"_L1, userId); - database.execute(query); - query = database.prepareQuery("INSERT INTO user_signing_keys(userId, key) VALUES(:userId, :key);"_L1); - query.bindValue(":userId"_L1, userId); - query.bindValue(":key"_L1, key.keys.values()[0]); - database.execute(query); - } -} - -void ConnectionEncryptionData::checkVerifiedMasterKeys(const QHash& masterKeys) -{ - if (!q->isUserVerified(q->userId())) { - return; - } - auto query = database.prepareQuery("SELECT key FROM user_signing_keys WHERE userId=:userId;"_L1); - query.bindValue(":userId"_L1, q->userId()); - database.execute(query); - if (!query.next()) { - return; - } - const auto userSigningKey = query.value("key"_L1).toString(); - for (const auto& masterKey : masterKeys) { - auto signature = getEd25519Signature(masterKey, q->userId(), userSigningKey); - if (signature.isEmpty()) { - continue; - } - if (ed25519VerifySignature(userSigningKey, toJson(masterKey), signature)) { - database.setMasterKeyVerified(masterKey.keys.values()[0]); - emit q->userVerified(masterKey.userId); - } else { - qCWarning(E2EE) << "Master key signature verification failed" << masterKey.userId; - } - } -} - -void ConnectionEncryptionData::handleDevicesList( - const QHash>& newDeviceKeys) -{ - for(const auto &[user, keys] : newDeviceKeys.asKeyValueRange()) { - const auto oldDevices = deviceKeys[user]; - auto query = database.prepareQuery("SELECT * FROM self_signing_keys WHERE userId=:userId;"_L1); - query.bindValue(":userId"_L1, user); - database.execute(query); - const auto selfSigningKey = query.next() ? query.value("key"_L1).toString() : QString(); - deviceKeys[user].clear(); - selfVerifiedDevices[user].clear(); - for (const auto &device : keys) { - if (device.userId != user) { - qWarning(E2EE) - << "mxId mismatch during device key verification:" - << device.userId << user; - continue; - } - if (!std::all_of(device.algorithms.cbegin(), - device.algorithms.cend(), isSupportedAlgorithm)) { - qWarning(E2EE) << "Unsupported encryption algorithms found" - << device.algorithms; - continue; - } - if (!verifyIdentitySignature(device, device.deviceId, - device.userId)) { - qWarning(E2EE) << "Failed to verify device keys signature. " - "Skipping device" << device.userId << device.deviceId; - continue; - } - if (const auto oldDeviceKeys = oldDevices.value(device.deviceId); - !oldDeviceKeys.deviceId.isEmpty()) // We've seen this device... - { - if (const auto keyId = "ed25519:"_L1 + device.deviceId; - oldDeviceKeys.keys[keyId] != device.keys[keyId]) - // ...but its keys that came now are not the same - { - qDebug(E2EE) - << "Device reuse detected. Skipping device" << device.userId << device.deviceId; - continue; - } - } - if (!selfSigningKey.isEmpty() && !device.signatures[user]["ed25519:"_L1 + selfSigningKey].isEmpty()) { - if (ed25519VerifySignature(selfSigningKey, toJson(static_cast(device)), device.signatures[user]["ed25519:"_L1 + selfSigningKey])) { - selfVerifiedDevices[user][device.deviceId] = true; - emit q->sessionVerified(user, device.deviceId); - } else { - qCWarning(E2EE) << "failed self signing signature check" << user << device.deviceId; - } - } - deviceKeys[user][device.deviceId] = SLICE(device, DeviceKeys); - } - outdatedUsers -= user; - } -} - -void ConnectionEncryptionData::handleQueryKeys(const QueryKeysJob::Response& keys) -{ - database.transaction(); - handleMasterKeys(keys.masterKeys); - handleSelfSigningKeys(keys.selfSigningKeys); - handleUserSigningKeys(keys.userSigningKeys); - checkVerifiedMasterKeys(keys.masterKeys); - handleDevicesList(keys.deviceKeys); - database.commit(); - - saveDevicesList(); - - // A completely faithful code would call std::partition() with bare - // isKnownCurveKey(), then handleEncryptedToDeviceEvent() on each event - // with the known key, and then std::erase()... but - // handleEncryptedToDeviceEvent() doesn't have side effects on the handled - // events so a small corner-cutting should be fine. - std::erase_if(pendingEncryptedEvents, - [this](const event_ptr_tt& pendingEvent) { - if (!isKnownCurveKey(pendingEvent->senderId(), - pendingEvent->senderKey())) - return false; - handleEncryptedToDeviceEvent(*pendingEvent); - return true; - }); -} - -void ConnectionEncryptionData::encryptionUpdate(const QList& forUsers) -{ - for (const auto& userId : forUsers) - if (!trackedUsers.contains(userId)) { - trackedUsers += userId; - outdatedUsers += userId; - encryptionUpdateRequired = true; - } -} - -bool ConnectionEncryptionData::createOlmSession( - const QString& targetUserId, const QString& targetDeviceId, - const OneTimeKeys& oneTimeKeyObject) -{ - static QOlmUtility verifier; - qDebug(E2EE) << "Creating a new session for" << targetUserId - << targetDeviceId; - if (oneTimeKeyObject.isEmpty()) { - qWarning(E2EE) << "No one time key for" << targetUserId - << targetDeviceId; - return false; - } - auto* signedOneTimeKey = - std::get_if(&*oneTimeKeyObject.begin()); - if (!signedOneTimeKey) { - qWarning(E2EE) << "No signed one time key for" << targetUserId - << targetDeviceId; - return false; - } - // Verify contents of signedOneTimeKey - for that, drop `signatures` and - // `unsigned` and then verify the object against the respective signature - const auto signature = - signedOneTimeKey->signature(targetUserId, targetDeviceId); - if (!verifier.ed25519Verify( - q->edKeyForUserDevice(targetUserId, targetDeviceId).toLatin1(), - signedOneTimeKey->toJsonForVerification(), signature)) { - qWarning(E2EE) << "Failed to verify one-time-key signature for" - << targetUserId << targetDeviceId - << ". Skipping this device."; - return false; - } - const auto recipientCurveKey = - curveKeyForUserDevice(targetUserId, targetDeviceId).toLatin1(); - auto session = olmAccount.createOutboundSession(recipientCurveKey, - signedOneTimeKey->key()); - if (!session) { - qCWarning(E2EE) << "Failed to create olm session for " - << recipientCurveKey << session.error(); - return false; - } - saveSession(*session, recipientCurveKey); - olmSessions[recipientCurveKey].push_back(std::move(*session)); - return true; -} - -std::pair -ConnectionEncryptionData::olmEncryptMessage(const QString& userId, - const QString& device, - const QByteArray& message) const -{ - const auto& curveKey = curveKeyForUserDevice(userId, device).toLatin1(); - const auto& olmSession = olmSessions.at(curveKey).front(); - const auto result = olmSession.encrypt(message); - database.updateOlmSession(curveKey, olmSession); - return { result.type(), result.toCiphertext() }; -} - -QJsonObject ConnectionEncryptionData::assembleEncryptedContent( - QJsonObject payloadJson, const QString& targetUserId, - const QString& targetDeviceId) const -{ - payloadJson.insert(SenderKey, q->userId()); - payloadJson.insert("keys"_L1, - QJsonObject{ - { Ed25519Key, olmAccount.identityKeys().ed25519 } }); - payloadJson.insert("recipient"_L1, targetUserId); - payloadJson.insert( - "recipient_keys"_L1, - QJsonObject{ { Ed25519Key, - q->edKeyForUserDevice(targetUserId, targetDeviceId) } }); - const auto [type, cipherText] = olmEncryptMessage( - targetUserId, targetDeviceId, - QJsonDocument(payloadJson).toJson(QJsonDocument::Compact)); - QJsonObject encrypted{ - { curveKeyForUserDevice(targetUserId, targetDeviceId), - QJsonObject{ { "type"_L1, type }, - { "body"_L1, QString::fromLatin1(cipherText) } } } - }; - return EncryptedEvent(encrypted, olmAccount.identityKeys().curve25519) - .contentJson(); -} - -std::pair doDecryptMessage(const QOlmSession& session, - const QOlmMessage& message, - auto&& andThen) -{ - const auto expectedMessage = session.decrypt(message); - if (expectedMessage) { - const auto result = - std::make_pair(*expectedMessage, session.sessionId()); - andThen(); - return result; - } - const auto errorLine = message.type() == QOlmMessage::PreKey - ? "Failed to decrypt prekey message:" - : "Failed to decrypt message:"; - qCDebug(E2EE) << errorLine << expectedMessage.error(); - return {}; -} - -std::pair ConnectionEncryptionData::sessionDecryptMessage( - const QJsonObject& personalCipherObject, const QByteArray& senderKey) -{ - const auto msgType = static_cast( - personalCipherObject.value(TypeKey).toInt(-1)); - if (msgType != QOlmMessage::General && msgType != QOlmMessage::PreKey) { - qCWarning(E2EE) << "Olm message has incorrect type" << msgType; - return {}; - } - const QOlmMessage message{ - personalCipherObject.value(BodyKey).toString().toLatin1(), msgType - }; - for (const auto& session : olmSessions[senderKey]) - if (msgType == QOlmMessage::General - || session.matchesInboundSessionFrom(senderKey, message)) { - return doDecryptMessage(session, message, [this, &session] { - q->database()->setOlmSessionLastReceived( - session.sessionId(), QDateTime::currentDateTime()); - }); - } - - if (msgType == QOlmMessage::General) { - qCWarning(E2EE) << "Failed to decrypt message"; - return {}; - } - - qCDebug(E2EE) << "Creating new inbound session"; // Pre-key messages only - auto newSessionResult = - olmAccount.createInboundSessionFrom(senderKey, message); - if (!newSessionResult) { - qCWarning(E2EE) << "Failed to create inbound session for" << senderKey; - return {}; - } - auto&& newSession = std::move(*newSessionResult); - if (olmAccount.removeOneTimeKeys(newSession) != OLM_SUCCESS) { - qWarning(E2EE) << "Failed to remove one time key for session" - << newSession.sessionId(); - // Keep going though - } - return doDecryptMessage(newSession, message, [this, &senderKey, &newSession] { - saveSession(newSession, senderKey); - olmSessions[senderKey].push_back(std::move(newSession)); - }); -} - -std::pair ConnectionEncryptionData::sessionDecryptMessage( - const EncryptedEvent& encryptedEvent) -{ - if (encryptedEvent.algorithm() != OlmV1Curve25519AesSha2AlgoKey) - return {}; - - const auto identityKey = olmAccount.identityKeys().curve25519; - const auto personalCipherObject = encryptedEvent.ciphertext(identityKey); - if (personalCipherObject.isEmpty()) { - qDebug(E2EE) << "Encrypted event is not for the current device"; - return {}; - } - const auto [decrypted, olmSessionId] = - sessionDecryptMessage(personalCipherObject, - encryptedEvent.senderKey().toLatin1()); - if (decrypted.isEmpty()) { - qDebug(E2EE) << "Problem with new session from senderKey:" - << encryptedEvent.senderKey() - << olmAccount.oneTimeKeys().keys; - - auto query = database.prepareQuery( - "SELECT deviceId FROM tracked_devices WHERE curveKey=:curveKey;"_L1); - query.bindValue(":curveKey"_L1, encryptedEvent.senderKey()); - database.execute(query); - if (!query.next()) { - qCWarning(E2EE) << "Unknown device while trying to recover from broken olm session"; - return {}; - } - auto senderId = encryptedEvent.senderId(); - auto deviceId = query.value("deviceId"_L1).toString(); - QHash> hash{ { encryptedEvent.senderId(), - { { deviceId, "signed_curve25519"_L1 } } } }; - q->callApi(hash).then(q, [this, deviceId, senderId](const auto* job) { - if (triedDevices.contains({ senderId, deviceId })) { - return; - } - triedDevices += { senderId, deviceId }; - qDebug(E2EE) << "Sending dummy event to" << senderId << deviceId; - createOlmSession(senderId, deviceId, job->oneTimeKeys()[senderId][deviceId]); - q->sendToDevice(senderId, deviceId, DummyEvent(), true); - }); - return {}; - } - - auto&& decryptedEvent = - fromJson(QJsonDocument::fromJson(decrypted)); - - if (auto sender = decryptedEvent->fullJson()[SenderKey].toString(); - sender != encryptedEvent.senderId()) { - qWarning(E2EE) << "Found user" << sender << "instead of sender" << encryptedEvent.senderId() - << "in Olm plaintext"; - return {}; - } - - auto query = database.prepareQuery(QStringLiteral( - "SELECT edKey FROM tracked_devices WHERE curveKey=:curveKey;")); - const auto senderKey = encryptedEvent.contentPart(SenderKeyKey); - query.bindValue(":curveKey"_L1, senderKey); - database.execute(query); - if (!query.next()) { - qWarning(E2EE) << "Received olm message from unknown device" << senderKey; - return {}; - } - if (auto edKey = decryptedEvent->fullJson()["keys"_L1][Ed25519Key].toString(); - edKey.isEmpty() || query.value("edKey"_L1).toString() != edKey) // - { - qDebug(E2EE) << "Received olm message with invalid ed key"; - return {}; - } - - // TODO: keys to constants - const auto decryptedEventObject = decryptedEvent->fullJson(); - if (const auto recipient = - decryptedEventObject.value("recipient"_L1).toString(); - recipient != q->userId()) // - { - qDebug(E2EE) << "Found user" << recipient << "instead of" << q->userId() - << "in Olm plaintext"; - return {}; - } - if (const auto ourKey = - decryptedEventObject["recipient_keys"_L1][Ed25519Key].toString(); - ourKey != olmAccount.identityKeys().ed25519) // - { - qDebug(E2EE) << "Found key" << ourKey - << "instead of our own ed25519 key in Olm plaintext"; - return {}; - } - - return { std::move(decryptedEvent), olmSessionId }; -} - -void ConnectionEncryptionData::doSendSessionKeyToDevices( - const QString& roomId, const QByteArray& sessionId, - const QByteArray& sessionKey, uint32_t messageIndex, - const QMultiHash& devices) -{ - qDebug(E2EE) << "Sending room key to devices:" << sessionId << messageIndex; - QHash> hash; - for (const auto& [userId, deviceId] : devices.asKeyValueRange()) - if (!hasOlmSession(userId, deviceId)) { - hash[userId].insert(deviceId, "signed_curve25519"_L1); - qDebug(E2EE) << "Adding" << userId << deviceId - << "to keys to claim"; - } - - const auto sendKey = [devices, this, sessionId, messageIndex, sessionKey, - roomId] { - QHash> usersToDevicesToContent; - for (const auto& [targetUserId, targetDeviceId] : devices.asKeyValueRange()) { - if (!hasOlmSession(targetUserId, targetDeviceId)) - continue; - - // Noisy and leaks the key to logs but nice for debugging -// qDebug(E2EE) << "Creating the payload for" << targetUserId -// << targetDeviceId << sessionId << sessionKey.toHex(); - const auto keyEventJson = - RoomKeyEvent(MegolmV1AesSha2AlgoKey, roomId, - QString::fromLatin1(sessionId), - QString::fromLatin1(sessionKey)) - .fullJson(); - - usersToDevicesToContent[targetUserId][targetDeviceId] = - assembleEncryptedContent(keyEventJson, targetUserId, - targetDeviceId); - } - if (!usersToDevicesToContent.empty()) { - q->sendToDevices(EncryptedEvent::TypeId, usersToDevicesToContent); - QVector> receivedDevices; - receivedDevices.reserve(devices.size()); - for (const auto& [user, device] : devices.asKeyValueRange()) - receivedDevices.push_back( - { user, device, curveKeyForUserDevice(user, device) }); - - database.setDevicesReceivedKey(roomId, receivedDevices, - sessionId, messageIndex); - } - }; - - if (hash.isEmpty()) { - sendKey(); - return; - } - - q->callApi(hash).then(q, [this, sendKey](const ClaimKeysJob* job) { - for (const auto& [userId, userDevices] : job->oneTimeKeys().asKeyValueRange()) - for (const auto& [deviceId, keys] : userDevices.asKeyValueRange()) - createOlmSession(userId, deviceId, keys); - - sendKey(); - }); -} - -void ConnectionEncryptionData::sendSessionKeyToDevices( - const QString& roomId, const QOlmOutboundGroupSession& outboundSession, - const QMultiHash& devices) -{ - const auto& sessionId = outboundSession.sessionId(); - const auto& sessionKey = outboundSession.sessionKey(); - const auto& index = outboundSession.sessionMessageIndex(); - - const auto closure = [this, roomId, sessionId, sessionKey, index, devices] { - doSendSessionKeyToDevices(roomId, sessionId, sessionKey, index, devices); - }; - if (currentQueryKeysJob != nullptr) { - currentQueryKeysJob = currentQueryKeysJob.onResult(q, closure); - } else - closure(); -} - -ConnectionEncryptionData::ConnectionEncryptionData(Connection* connection, - PicklingKey&& picklingKey) - : q(connection) - , olmAccount(q->userId(), q->deviceId()) - , database(q->userId(), q->deviceId(), std::move(picklingKey)) - , olmSessions(database.loadOlmSessions()) -{ - QObject::connect(&olmAccount, &QOlmAccount::needsSave, q, - [this] { saveOlmAccount(); }); -} - -void ConnectionEncryptionData::saveOlmAccount() -{ - qCDebug(E2EE) << "Saving olm account"; - database.storeOlmAccount(olmAccount); -} - -void ConnectionEncryptionData::reloadDevices() -{ - outdatedUsers = trackedUsers; - loadOutdatedUserDevices(); -} - -bool ConnectionEncryptionData::hasConflictingDeviceIdsAndCrossSigningKeys(const QString& userId) -{ - auto devices = q->devicesForUser(userId); - - auto selfQuery = database.prepareQuery("SELECT key FROM self_signing_keys WHERE userId=:userId;"_L1); - selfQuery.bindValue(":userId"_L1, userId); - database.execute(selfQuery); - if (selfQuery.next() && devices.contains(selfQuery.value("key"_L1).toString())) - return true; - - if (devices.contains(q->masterKeyForUser(userId))) - return true; - - auto userQuery = database.prepareQuery("SELECT key FROM user_signing_keys WHERE userId=:userId;"_L1); - userQuery.bindValue(":userId"_L1, userId); - database.execute(userQuery); - return userQuery.next() && devices.contains(userQuery.value("key"_L1).toString()); -} diff --git a/Quotient/connectionencryptiondata_p.h b/Quotient/connectionencryptiondata_p.h deleted file mode 100644 index 2dcc67996..000000000 --- a/Quotient/connectionencryptiondata_p.h +++ /dev/null @@ -1,128 +0,0 @@ -#pragma once - -#include "connection.h" -#include "database.h" -#include "logging_categories_p.h" - -#include "e2ee/qolmaccount.h" -#include "e2ee/qolmsession.h" - -#include "events/encryptedevent.h" - -namespace Quotient { - -struct DevicesList; - -namespace _impl { - class ConnectionEncryptionData { - public: - static QFuture setup(Connection* connection, - std::unique_ptr& result, - bool clearDatabase = false); - - Connection* q; - QOlmAccount olmAccount; - // No easy way in C++ to discern between SQL SELECT from UPDATE, too bad - mutable Database database; - std::unordered_map> olmSessions; - //! A map from SenderKey to vector of InboundSession - QHash verificationSessions{}; - QSet trackedUsers{}; - QSet outdatedUsers{}; - QHash> deviceKeys{}; - JobHandle currentQueryKeysJob{}; - QSet> triedDevices{}; - //! An update of internal tracking structures (trackedUsers, e.g.) is - //! needed - bool encryptionUpdateRequired = false; - QHash oneTimeKeysCount{}; - std::vector> pendingEncryptedEvents{}; - bool isUploadingKeys = false; - bool firstSync = true; - QHash> selfVerifiedDevices; - QHash> verifiedDevices; - - void saveDevicesList(); - void loadDevicesList(); - QString curveKeyForUserDevice(const QString& userId, - const QString& device) const; - bool isKnownCurveKey(const QString& userId, - const QString& curveKey) const; - bool hasOlmSession(const QString &user, const QString &deviceId) const; - - void onSyncSuccess(SyncData &syncResponse); - void loadOutdatedUserDevices(); - void consumeToDeviceEvent(EventPtr toDeviceEvent); - void encryptionUpdate(const QList& forUsers); - - bool createOlmSession(const QString& targetUserId, - const QString& targetDeviceId, - const OneTimeKeys& oneTimeKeyObject); - void saveSession(const QOlmSession& session, const QByteArray& senderKey) - { - database.saveOlmSession(senderKey, session, - QDateTime::currentDateTime()); - } - void saveOlmAccount(); - void reloadDevices(); - - std::pair sessionDecryptMessage( - const QJsonObject& personalCipherObject, - const QByteArray& senderKey); - std::pair sessionDecryptMessage(const EncryptedEvent& encryptedEvent); - - QJsonObject assembleEncryptedContent( - QJsonObject payloadJson, const QString& targetUserId, - const QString& targetDeviceId) const; - void sendSessionKeyToDevices( - const QString& roomId, - const QOlmOutboundGroupSession& outboundSession, - const QMultiHash& devices); - - template - KeyVerificationSession* setupKeyVerificationSession( - ArgTs&&... sessionArgs) - { - auto session = - new KeyVerificationSession(std::forward(sessionArgs)...); - qCDebug(E2EE) << "Incoming key verification session from" << session->remoteDeviceId(); - verificationSessions.insert(session->transactionId(), session); - QObject::connect(session, &QObject::destroyed, q, - [this, txnId = session->transactionId()] { - verificationSessions.remove(txnId); - }); - emit q->newKeyVerificationSession(session); - return session; - } - - // This is only public to enable std::make_unique; do not use directly, - // get an instance from setup() instead - ConnectionEncryptionData(Connection* connection, - PicklingKey&& picklingKey); - bool hasConflictingDeviceIdsAndCrossSigningKeys(const QString& userId); - - void handleQueryKeys(const QueryKeysJob::Response& keys); - - void handleMasterKeys(const QHash& masterKeys); - void handleSelfSigningKeys(const QHash& selfSigningKeys); - void handleUserSigningKeys(const QHash& userSigningKeys); - void handleDevicesList( - const QHash>& newDeviceKeys); - void checkVerifiedMasterKeys(const QHash& masterKeys); - - private: - void consumeDevicesList(const DevicesList &devicesList); - bool processIfVerificationEvent(const Event& evt, bool encrypted); - void handleEncryptedToDeviceEvent(const EncryptedEvent& event); - - // This function assumes that an olm session with (user, device) exists - std::pair olmEncryptMessage( - const QString& userId, const QString& device, - const QByteArray& message) const; - - void doSendSessionKeyToDevices(const QString& roomId, const QByteArray& sessionId, - const QByteArray &sessionKey, uint32_t messageIndex, - const QMultiHash& devices); - }; -} // namespace _impl -} // namespace Quotient diff --git a/Quotient/converters.cpp b/Quotient/converters.cpp index a45a5db80..e91dce0ab 100644 --- a/Quotient/converters.cpp +++ b/Quotient/converters.cpp @@ -10,8 +10,8 @@ void Quotient::_impl::warnUnknownEnumValue(const QString& stringValue, const char* enumTypeName) { - qWarning(EVENTS).noquote() - << "Unknown" << enumTypeName << "value:" << stringValue; + // qWarning(EVENTS).noquote() + // << "Unknown" << enumTypeName << "value:" << stringValue; } void Quotient::_impl::reportEnumOutOfBounds(uint32_t v, const char* enumTypeName) diff --git a/Quotient/database.cpp b/Quotient/database.cpp deleted file mode 100644 index 5a2266d11..000000000 --- a/Quotient/database.cpp +++ /dev/null @@ -1,667 +0,0 @@ -// SPDX-FileCopyrightText: 2021 Tobias Fella -// SPDX-License-Identifier: LGPL-2.1-or-later - -#include "database.h" - -#include "connection.h" -#include "logging_categories_p.h" - -#include "e2ee/qolmaccount.h" -#include "e2ee/qolminboundsession.h" -#include "e2ee/qolmoutboundsession.h" -#include "e2ee/qolmsession.h" -#include "e2ee/cryptoutils.h" - -#include -#include -#include -#include -#include - -using namespace Quotient; - -Database::Database(const QString& userId, const QString& deviceId, - PicklingKey&& picklingKey) - : m_userId(userId) - , m_deviceId(deviceId) - , m_picklingKey(std::move(picklingKey)) -{ - auto db = QSqlDatabase::addDatabase(u"QSQLITE"_s, "Quotient_"_L1 + m_userId); - auto dbDir = m_userId; - dbDir.replace(u':', u'_'); - const QString databasePath{ QStandardPaths::writableLocation(QStandardPaths::AppDataLocation) - % u'/' % dbDir }; - QDir(databasePath).mkpath("."_L1); - db.setDatabaseName(databasePath + "/quotient_%1.db3"_L1.arg(m_deviceId)); - db.open(); // Further accessed via database() - - switch(version()) { - case 0: migrateTo1(); [[fallthrough]]; - case 1: migrateTo2(); [[fallthrough]]; - case 2: migrateTo3(); [[fallthrough]]; - case 3: migrateTo4(); [[fallthrough]]; - case 4: migrateTo5(); [[fallthrough]]; - case 5: migrateTo6(); [[fallthrough]]; - case 6: migrateTo7(); [[fallthrough]]; - case 7: migrateTo8(); [[fallthrough]]; - case 8: migrateTo9(); [[fallthrough]]; - case 9: migrateTo10(); - } -} - -int Database::version() -{ - auto query = execute(u"PRAGMA user_version;"_s); - if (query.next()) { - bool ok = false; - int value = query.value(0).toInt(&ok); - qCDebug(DATABASE) << "Database version" << value; - if (ok) - return value; - } else { - qCritical(DATABASE) << "Failed to check database version"; - } - return -1; -} - -QSqlQuery Database::execute(const QString& queryString) -{ - QSqlQuery query(queryString, database()); - if (query.lastError().type() != QSqlError::NoError) { - qCritical(DATABASE) << "Failed to execute query"; - qCritical(DATABASE) << query.lastQuery(); - qCritical(DATABASE) << query.lastError(); - } - return query; -} - -void Database::execute(QSqlQuery& query) -{ - if (!query.exec()) { - qCritical(DATABASE) << "Failed to execute query"; - qCritical(DATABASE) << query.lastQuery(); - qCritical(DATABASE) << query.lastError(); - } -} - -void Database::transaction() -{ - database().transaction(); -} - -void Database::commit() -{ - database().commit(); -} - -void Database::migrateTo1() -{ - qCDebug(DATABASE) << "Migrating database to version 1"; - transaction(); - execute(u"CREATE TABLE accounts (pickle TEXT);"_s); - execute(u"CREATE TABLE olm_sessions (senderKey TEXT, sessionId TEXT, pickle TEXT);"_s); - execute(u"CREATE TABLE inbound_megolm_sessions (roomId TEXT, senderKey TEXT, sessionId TEXT, pickle TEXT);"_s); - execute(u"CREATE TABLE outbound_megolm_sessions (roomId TEXT, senderKey TEXT, sessionId TEXT, pickle TEXT);"_s); - execute(u"CREATE TABLE group_session_record_index (roomId TEXT, sessionId TEXT, i INTEGER, eventId TEXT, ts INTEGER);"_s); - execute(u"CREATE TABLE tracked_users (matrixId TEXT);"_s); - execute(u"CREATE TABLE outdated_users (matrixId TEXT);"_s); - execute(u"CREATE TABLE tracked_devices (matrixId TEXT, deviceId TEXT, curveKeyId TEXT, curveKey TEXT, edKeyId TEXT, edKey TEXT);"_s); - - execute(u"PRAGMA user_version = 1;"_s); - commit(); -} - -void Database::migrateTo2() -{ - qCDebug(DATABASE) << "Migrating database to version 2"; - transaction(); - - execute(u"ALTER TABLE inbound_megolm_sessions ADD ed25519Key TEXT"_s); - execute(u"ALTER TABLE olm_sessions ADD lastReceived TEXT"_s); - - // Add indexes for improving queries speed on larger database - execute(u"CREATE INDEX sessions_session_idx ON olm_sessions(sessionId)"_s); - execute(u"CREATE INDEX outbound_room_idx ON outbound_megolm_sessions(roomId)"_s); - execute(u"CREATE INDEX inbound_room_idx ON inbound_megolm_sessions(roomId)"_s); - execute(u"CREATE INDEX group_session_idx ON group_session_record_index(roomId, sessionId, i)"_s); - execute(u"PRAGMA user_version = 2;"_s); - commit(); -} - -void Database::migrateTo3() -{ - qCDebug(DATABASE) << "Migrating database to version 3"; - transaction(); - - execute(u"CREATE TABLE inbound_megolm_sessions_temp AS SELECT roomId, sessionId, pickle FROM inbound_megolm_sessions;"_s); - execute(u"DROP TABLE inbound_megolm_sessions;"_s); - execute(u"ALTER TABLE inbound_megolm_sessions_temp RENAME TO inbound_megolm_sessions;"_s); - execute(u"ALTER TABLE inbound_megolm_sessions ADD olmSessionId TEXT;"_s); - execute(u"ALTER TABLE inbound_megolm_sessions ADD senderId TEXT;"_s); - execute(u"PRAGMA user_version = 3;"_s); - commit(); -} - -void Database::migrateTo4() -{ - qCDebug(DATABASE) << "Migrating database to version 4"; - transaction(); - - execute(u"CREATE TABLE sent_megolm_sessions (roomId TEXT, userId TEXT, deviceId TEXT, identityKey TEXT, sessionId TEXT, i INTEGER);"_s); - execute(u"ALTER TABLE outbound_megolm_sessions ADD creationTime TEXT;"_s); - execute(u"ALTER TABLE outbound_megolm_sessions ADD messageCount INTEGER;"_s); - execute(u"PRAGMA user_version = 4;"_s); - commit(); -} - -void Database::migrateTo5() -{ - qCDebug(DATABASE) << "Migrating database to version 5"; - transaction(); - - execute(u"ALTER TABLE tracked_devices ADD verified BOOL;"_s); - execute(u"PRAGMA user_version = 5"_s); - commit(); -} - -void Database::migrateTo6() -{ - qCDebug(DATABASE) << "Migrating database to version 6"; - transaction(); - - execute(u"CREATE TABLE encrypted (name TEXT, cipher TEXT, iv TEXT);"_s); - execute(u"PRAGMA user_version = 6"_s); - commit(); -} - -void Database::migrateTo7() -{ - qCDebug(DATABASE) << "Migrating database to version 7"; - transaction(); - execute(u"CREATE TABLE master_keys (userId TEXT, key TEXT, verified INTEGER);"_s); - execute(u"CREATE TABLE self_signing_keys (userId TEXT, key TEXT);"_s); - execute(u"CREATE TABLE user_signing_keys (userId TEXT, key TEXT);"_s); - execute(u"INSERT INTO outdated_users SELECT * FROM tracked_users;"_s); - execute(u"ALTER TABLE tracked_devices ADD selfVerified INTEGER;"_s); - execute(u"PRAGMA user_version = 7;"_s); - - commit(); -} - -void Database::migrateTo8() -{ - qCDebug(DATABASE) << "Migrating database to version 8"; - transaction(); - - execute(u"ALTER TABLE inbound_megolm_sessions ADD senderKey TEXT;"_s); - auto query = prepareQuery(u"SELECT sessionId, olmSessionId FROM inbound_megolm_sessions;"_s); - execute(query); - while (query.next()) { - if (query.value(u"olmSessionId"_s).toString().startsWith(u"BACKUP")) { - continue; - } - auto senderKeyQuery = prepareQuery(u"SELECT senderKey FROM olm_sessions WHERE sessionId=:olmSessionId;"_s); - senderKeyQuery.bindValue(u":olmSessionId"_s, query.value(u"olmSessionId"_s).toByteArray()); - execute(senderKeyQuery); - if (!senderKeyQuery.next()) { - continue; - } - auto updateQuery = prepareQuery(u"UPDATE inbound_megolm_sessions SET senderKey=:senderKey WHERE sessionId=:sessionId;"_s); - updateQuery.bindValue(u":sessionId"_s, query.value(u"sessionId"_s).toByteArray()); - updateQuery.bindValue(u":senderKey"_s, senderKeyQuery.value(u"senderKey"_s).toByteArray()); - - execute(updateQuery); - } - execute(u"PRAGMA user_version = 8;"_s); - commit(); -} - -void Database::migrateTo9() -{ - qCDebug(DATABASE) << "Migrating database to version 9"; - transaction(); - - auto query = prepareQuery(u"SELECT curveKey FROM tracked_devices WHERE matrixId=:matrixId AND deviceId=:deviceId;"_s); - query.bindValue(u":matrixId"_s, m_userId); - query.bindValue(u":deviceId"_s, m_deviceId); - execute(query); - if (!query.next()) { - return; - } - auto curveKey = query.value(u"curveKey"_s).toByteArray(); - query = prepareQuery(u"UPDATE inbound_megolm_sessions SET senderKey=:senderKey WHERE olmSessionId=:self;"_s); - query.bindValue(u":senderKey"_s, curveKey); - query.bindValue(u":self"_s, "SELF"_ba); - execute(u"PRAGMA user_version = 9;"_s); - execute(query); - commit(); -} - -void Database::migrateTo10() -{ - qCDebug(DATABASE) << "Migrating database to version 10"; - - transaction(); - - execute(u"ALTER TABLE inbound_megolm_sessions ADD senderClaimedEd25519Key TEXT;"_s); - - auto query = prepareQuery(u"SELECT DISTINCT senderKey FROM inbound_megolm_sessions;"_s); - execute(query); - - QStringList keys; - while (query.next()) { - keys += query.value(u"senderKey"_s).toString(); - } - for (const auto& key : keys) { - auto edKeyQuery = prepareQuery(u"SELECT edKey FROM tracked_devices WHERE curveKey=:curveKey;"_s); - edKeyQuery.bindValue(u":curveKey"_s, key); - execute(edKeyQuery); - if (!edKeyQuery.next()) { - continue; - } - const auto &edKey = edKeyQuery.value(u"edKey"_s).toByteArray(); - - auto updateQuery = prepareQuery(u"UPDATE inbound_megolm_sessions SET senderClaimedEd25519Key=:senderClaimedEd25519Key WHERE senderKey=:senderKey;"_s); - updateQuery.bindValue(u":senderKey"_s, key.toLatin1()); - updateQuery.bindValue(u":senderClaimedEd25519Key"_s, edKey); - execute(updateQuery); - } - - execute(u"pragma user_version = 10"_s); - commit(); - -} - -void Database::storeOlmAccount(const QOlmAccount& olmAccount) -{ - auto deleteQuery = prepareQuery(u"DELETE FROM accounts;"_s); - auto query = prepareQuery(u"INSERT INTO accounts(pickle) VALUES(:pickle);"_s); - query.bindValue(u":pickle"_s, olmAccount.pickle(m_picklingKey)); - transaction(); - execute(deleteQuery); - execute(query); - commit(); -} - -std::optional Database::setupOlmAccount(QOlmAccount& olmAccount) -{ - auto query = prepareQuery(u"SELECT pickle FROM accounts;"_s); - execute(query); - if (query.next()) - return olmAccount.unpickle(query.value(u"pickle"_s).toByteArray(), m_picklingKey); - - olmAccount.setupNewAccount(); - return {}; -} - -void Database::clear() -{ - // SQLite driver only supports one query at a time, so feed them one by one - transaction(); - for (auto&& q : { u"DELETE FROM accounts;"_s, // @clang-format: one per line, plz - u"DELETE FROM olm_sessions;"_s, // - u"DELETE FROM inbound_megolm_sessions;"_s, // - u"DELETE FROM group_session_record_index;"_s, // - u"DELETE FROM master_keys;"_s, // - u"DELETE FROM self_signing_keys;"_s, // - u"DELETE FROM user_signing_keys;"_s }) - execute(q); - commit(); - -} - -void Database::saveOlmSession(const QByteArray& senderKey, - const QOlmSession& session, - const QDateTime& timestamp) -{ - auto query = prepareQuery(u"INSERT INTO olm_sessions(senderKey, sessionId, pickle, lastReceived) VALUES(:senderKey, :sessionId, :pickle, :lastReceived);"_s); - query.bindValue(u":senderKey"_s, senderKey); - query.bindValue(u":sessionId"_s, session.sessionId()); - query.bindValue(u":pickle"_s, session.pickle(m_picklingKey)); - query.bindValue(u":lastReceived"_s, timestamp); - transaction(); - execute(query); - commit(); -} - -std::unordered_map > Database::loadOlmSessions() -{ - auto query = prepareQuery(u"SELECT * FROM olm_sessions ORDER BY lastReceived DESC;"_s); - transaction(); - execute(query); - commit(); - std::unordered_map> sessions; - while (query.next()) { - if (auto&& expectedSession = - QOlmSession::unpickle(query.value(u"pickle"_s).toByteArray(), m_picklingKey)) { - sessions[query.value(u"senderKey"_s).toByteArray()].emplace_back( - std::move(*expectedSession)); - } else - qCWarning(E2EE) - << "Failed to unpickle olm session:" << expectedSession.error(); - } - return sessions; -} - -std::unordered_map Database::loadMegolmSessions( - const QString& roomId) -{ - auto query = prepareQuery(u"SELECT * FROM inbound_megolm_sessions WHERE roomId=:roomId;"_s); - query.bindValue(u":roomId"_s, roomId); - transaction(); - execute(query); - commit(); - decltype(Database::loadMegolmSessions({})) sessions; - while (query.next()) { - if (auto&& expectedSession = QOlmInboundGroupSession::unpickle( - query.value(u"pickle"_s).toByteArray(), m_picklingKey)) { - const auto sessionId = query.value(u"sessionId"_s).toByteArray(); - if (const auto it = sessions.find(sessionId); it != sessions.end()) { - qCritical(DATABASE) << "More than one inbound group session " - "with the same session id" - << sessionId << "in the database"; - Q_ASSERT(false); - // For Release builds, take the last session found - qCritical(DATABASE) - << "The database is intact but only one session will be " - "used so some messages will be undecryptable"; - sessions.erase(it); - } - expectedSession->setOlmSessionId( - query.value(u"olmSessionId"_s).toByteArray()); - expectedSession->setSenderId(query.value(u"senderId"_s).toString()); - sessions.try_emplace(query.value(u"sessionId"_s).toByteArray(), - std::move(*expectedSession)); - } else - qCWarning(E2EE) << "Failed to unpickle megolm session:" - << expectedSession.error(); - } - return sessions; -} - -void Database::saveMegolmSession(const QString& roomId, - const QOlmInboundGroupSession& session, const QByteArray &senderKey, const QByteArray& senderClaimedEdKey) -{ - auto deleteQuery = prepareQuery(u"DELETE FROM inbound_megolm_sessions WHERE roomId=:roomId AND sessionId=:sessionId;"_s); - deleteQuery.bindValue(u":roomId"_s, roomId); - deleteQuery.bindValue(u":sessionId"_s, session.sessionId()); - auto query = prepareQuery( - u"INSERT INTO inbound_megolm_sessions(roomId, sessionId, pickle, senderId, olmSessionId, senderKey, senderClaimedEd25519Key) VALUES(:roomId, :sessionId, :pickle, :senderId, :olmSessionId, :senderKey, :senderClaimedEd25519Key);"_s); - query.bindValue(u":roomId"_s, roomId); - query.bindValue(u":sessionId"_s, session.sessionId()); - query.bindValue(u":pickle"_s, session.pickle(m_picklingKey)); - query.bindValue(u":senderId"_s, session.senderId()); - query.bindValue(u":olmSessionId"_s, session.olmSessionId()); - query.bindValue(u":senderKey"_s, senderKey); - query.bindValue(u":senderClaimedEd25519Key"_s, senderClaimedEdKey); - transaction(); - execute(deleteQuery); - execute(query); - commit(); -} - -void Database::addGroupSessionIndexRecord(const QString& roomId, const QString& sessionId, uint32_t index, const QString& eventId, qint64 ts) -{ - auto query = prepareQuery(u"INSERT INTO group_session_record_index(roomId, sessionId, i, eventId, ts) VALUES(:roomId, :sessionId, :index, :eventId, :ts);"_s); - query.bindValue(u":roomId"_s, roomId); - query.bindValue(u":sessionId"_s, sessionId); - query.bindValue(u":index"_s, index); - query.bindValue(u":eventId"_s, eventId); - query.bindValue(u":ts"_s, ts); - transaction(); - execute(query); - commit(); -} - -std::pair Database::groupSessionIndexRecord(const QString& roomId, const QString& sessionId, qint64 index) -{ - auto query = prepareQuery(u"SELECT * FROM group_session_record_index WHERE roomId=:roomId AND sessionId=:sessionId AND i=:index;"_s); - query.bindValue(u":roomId"_s, roomId); - query.bindValue(u":sessionId"_s, sessionId); - query.bindValue(u":index"_s, index); - transaction(); - execute(query); - commit(); - if (!query.next()) { - return {}; - } - return {query.value(u"eventId"_s).toString(), query.value(u"ts"_s).toLongLong()}; -} - -QSqlDatabase Database::database() const -{ - return QSqlDatabase::database("Quotient_"_L1 + m_userId); -} - -QSqlQuery Database::prepareQuery(const QString& queryString) const -{ - QSqlQuery query(database()); - query.prepare(queryString); - return query; -} - -void Database::clearRoomData(const QString& roomId) -{ - transaction(); - for (const auto& queryText : - { u"DELETE FROM inbound_megolm_sessions WHERE roomId=:roomId;"_s, - u"DELETE FROM outbound_megolm_sessions WHERE roomId=:roomId;"_s, - u"DELETE FROM group_session_record_index WHERE roomId=:roomId;"_s }) { - auto q = prepareQuery(queryText); - q.bindValue(u":roomId"_s, roomId); - execute(q); - } - commit(); -} - -void Database::setOlmSessionLastReceived(const QByteArray& sessionId, const QDateTime& timestamp) -{ - auto query = prepareQuery(u"UPDATE olm_sessions SET lastReceived=:lastReceived WHERE sessionId=:sessionId;"_s); - query.bindValue(u":lastReceived"_s, timestamp); - query.bindValue(u":sessionId"_s, sessionId); - transaction(); - execute(query); - commit(); -} - -void Database::saveCurrentOutboundMegolmSession(const QString& roomId, - const QOlmOutboundGroupSession& session) -{ - const auto pickle = session.pickle(m_picklingKey); - auto deleteQuery = prepareQuery( - u"DELETE FROM outbound_megolm_sessions WHERE roomId=:roomId AND sessionId=:sessionId;"_s); - deleteQuery.bindValue(u":roomId"_s, roomId); - deleteQuery.bindValue(u":sessionId"_s, session.sessionId()); - - auto insertQuery = prepareQuery( - u"INSERT INTO outbound_megolm_sessions(roomId, sessionId, pickle, creationTime, messageCount) VALUES(:roomId, :sessionId, :pickle, :creationTime, :messageCount);"_s); - insertQuery.bindValue(u":roomId"_s, roomId); - insertQuery.bindValue(u":sessionId"_s, session.sessionId()); - insertQuery.bindValue(u":pickle"_s, pickle); - insertQuery.bindValue(u":creationTime"_s, session.creationTime()); - insertQuery.bindValue(u":messageCount"_s, session.messageCount()); - - transaction(); - execute(deleteQuery); - execute(insertQuery); - commit(); -} - -std::optional Database::loadCurrentOutboundMegolmSession( - const QString& roomId) -{ - auto query = prepareQuery( - u"SELECT * FROM outbound_megolm_sessions WHERE roomId=:roomId ORDER BY creationTime DESC;"_s); - query.bindValue(u":roomId"_s, roomId); - execute(query); - if (query.next()) { - if (auto&& session = - QOlmOutboundGroupSession::unpickle(query.value(u"pickle"_s).toByteArray(), - m_picklingKey)) { - session->setCreationTime(query.value(u"creationTime"_s).toDateTime()); - session->setMessageCount(query.value(u"messageCount"_s).toInt()); - return std::move(*session); - } - } - return {}; -} - -void Database::setDevicesReceivedKey( - const QString& roomId, - const QVector>& devices, - const QByteArray& sessionId, uint32_t index) -{ - transaction(); - for (const auto& [user, device, curveKey] : devices) { - auto query = prepareQuery(u"INSERT INTO sent_megolm_sessions(roomId, userId, deviceId, identityKey, sessionId, i) VALUES(:roomId, :userId, :deviceId, :identityKey, :sessionId, :i);"_s); - query.bindValue(u":roomId"_s, roomId); - query.bindValue(u":userId"_s, user); - query.bindValue(u":deviceId"_s, device); - query.bindValue(u":identityKey"_s, curveKey); - query.bindValue(u":sessionId"_s, sessionId); - query.bindValue(u":i"_s, index); - execute(query); - } - commit(); -} - -QMultiHash Database::devicesWithoutKey( - const QString& roomId, QMultiHash devices, - const QByteArray& sessionId) -{ - auto query = prepareQuery(u"SELECT userId, deviceId FROM sent_megolm_sessions WHERE roomId=:roomId AND sessionId=:sessionId"_s); - query.bindValue(u":roomId"_s, roomId); - query.bindValue(u":sessionId"_s, sessionId); - transaction(); - execute(query); - commit(); - while (query.next()) - devices.remove(query.value(u"userId"_s).toString(), query.value(u"deviceId"_s).toString()); - - return devices; -} - -void Database::updateOlmSession(const QByteArray& senderKey, - const QOlmSession& session) -{ - auto query = prepareQuery( - u"UPDATE olm_sessions SET pickle=:pickle WHERE senderKey=:senderKey AND sessionId=:sessionId;"_s); - query.bindValue(u":pickle"_s, session.pickle(m_picklingKey)); - query.bindValue(u":senderKey"_s, senderKey); - query.bindValue(u":sessionId"_s, session.sessionId()); - transaction(); - execute(query); - commit(); -} - -void Database::setSessionVerified(const QString& edKeyId) -{ - auto query = prepareQuery(u"UPDATE tracked_devices SET verified=true WHERE edKeyId=:edKeyId;"_s); - query.bindValue(u":edKeyId"_s, edKeyId); - transaction(); - execute(query); - commit(); -} - -bool Database::isSessionVerified(const QString& edKey) -{ - auto query = prepareQuery(u"SELECT verified FROM tracked_devices WHERE edKey=:edKey"_s); - query.bindValue(u":edKey"_s, edKey); - execute(query); - return query.next() && query.value(u"verified"_s).toBool(); -} - -QString Database::edKeyForKeyId(const QString& userId, const QString& edKeyId) -{ - auto query = prepareQuery(u"SELECT edKey FROM tracked_devices WHERE matrixId=:userId and edKeyId=:edKeyId;"_s); - query.bindValue(u":matrixId"_s, userId); - query.bindValue(u":edKeyId"_s, edKeyId); - execute(query); - if (!query.next()) { - return {}; - } - return query.value(u"edKey"_s).toString(); -} - -void Database::storeEncrypted(const QString& name, const QByteArray& key) -{ - auto iv = getRandom(); - auto result = - aesCtr256Encrypt(key, asCBytes(m_picklingKey).first(), - iv); - if (!result.has_value()) - return; - - auto cipher = result.value().toBase64(); - auto query = prepareQuery(u"INSERT INTO encrypted(name, cipher, iv) VALUES(:name, :cipher, :iv);"_s); - auto deleteQuery = prepareQuery(u"DELETE FROM encrypted WHERE name=:name;"_s); - deleteQuery.bindValue(u":name"_s, name); - query.bindValue(u":name"_s, name); - query.bindValue(u":cipher"_s, cipher); - query.bindValue(u":iv"_s, iv.toBase64()); - transaction(); - execute(deleteQuery); - execute(query); - commit(); -} - -QByteArray Database::loadEncrypted(const QString& name) -{ - auto query = prepareQuery(u"SELECT cipher, iv FROM encrypted WHERE name=:name;"_s); - query.bindValue(u":name"_s, name); - execute(query); - if (!query.next()) { - return {}; - } - auto cipher = QByteArray::fromBase64(query.value(u"cipher"_s).toString().toLatin1()); - auto iv = QByteArray::fromBase64(query.value(u"iv"_s).toString().toLatin1()); - if (iv.size() < AesBlockSize) { - qCWarning(E2EE) << "Corrupt iv at the database record for" << name; - return {}; - } - - return aesCtr256Decrypt(cipher, asCBytes(m_picklingKey).first(), - asCBytes(iv)) - .move_value_or({}); -} - -void Database::setMasterKeyVerified(const QString& masterKey) -{ - auto query = prepareQuery(u"UPDATE master_keys SET verified=true WHERE key=:key;"_s); - query.bindValue(u":key"_s, masterKey); - transaction(); - execute(query); - commit(); -} - -QString Database::userSigningPublicKey() -{ - auto query = prepareQuery(u"SELECT key FROM user_signing_keys WHERE userId=:userId;"_s); - query.bindValue(u":userId"_s, m_userId); - execute(query); - return query.next() ? query.value(u"key"_s).toString() : QString(); -} - -QString Database::selfSigningPublicKey() -{ - auto query = prepareQuery(u"SELECT key FROM self_signing_keys WHERE userId=:userId;"_s); - query.bindValue(u":userId"_s, m_userId); - execute(query); - return query.next() ? query.value(u"key"_s).toString() : QString(); -} - -QString Database::edKeyForMegolmSession(const QString& sessionId) -{ - auto query = prepareQuery(u"SELECT senderClaimedEd25519Key FROM inbound_megolm_sessions WHERE sessionId=:sessionId;"_s); - query.bindValue(u":sessionId"_s, sessionId.toLatin1()); - execute(query); - return query.next() ? query.value(u"senderClaimedEd25519Key"_s).toString() : QString(); -} - -QString Database::senderKeyForMegolmSession(const QString& sessionId) -{ - auto query = prepareQuery(u"SELECT senderKey FROM inbound_megolm_sessions WHERE sessionId=:sessionId;"_s); - query.bindValue(u":sessionId"_s, sessionId.toLatin1()); - execute(query); - return query.next() ? query.value(u"senderKey"_s).toString() : QString(); -} diff --git a/Quotient/database.h b/Quotient/database.h deleted file mode 100644 index 4f23289ab..000000000 --- a/Quotient/database.h +++ /dev/null @@ -1,102 +0,0 @@ -// SPDX-FileCopyrightText: 2021 Tobias Fella -// SPDX-License-Identifier: LGPL-2.1-or-later - -#pragma once - -#include -#include -#include - -#include - -#include "e2ee/e2ee_common.h" - -namespace Quotient { - -class QOlmAccount; -class QOlmSession; -class QOlmInboundGroupSession; -class QOlmOutboundGroupSession; - -class QUOTIENT_API Database -{ -public: - Database(const QString& userId, const QString& deviceId, - PicklingKey&& picklingKey); - - int version(); - void transaction(); - void commit(); - QSqlQuery execute(const QString &queryString); - void execute(QSqlQuery &query); - QSqlDatabase database() const; - QSqlQuery prepareQuery(const QString& queryString) const; - - void storeOlmAccount(const QOlmAccount& olmAccount); - std::optional setupOlmAccount(QOlmAccount &olmAccount); - void clear(); - void saveOlmSession(const QByteArray& senderKey, const QOlmSession& session, - const QDateTime& timestamp); - std::unordered_map> loadOlmSessions(); - std::unordered_map loadMegolmSessions( - const QString& roomId); - void saveMegolmSession(const QString& roomId, - const QOlmInboundGroupSession& session, - const QByteArray& senderKey, - const QByteArray& senderClaimedEdKey); - void addGroupSessionIndexRecord(const QString& roomId, - const QString& sessionId, uint32_t index, - const QString& eventId, qint64 ts); - std::pair groupSessionIndexRecord(const QString& roomId, - const QString& sessionId, - qint64 index); - void clearRoomData(const QString& roomId); - void setOlmSessionLastReceived(const QByteArray& sessionId, - const QDateTime& timestamp); - std::optional loadCurrentOutboundMegolmSession(const QString& roomId); - void saveCurrentOutboundMegolmSession( - const QString& roomId, const QOlmOutboundGroupSession& session); - void updateOlmSession(const QByteArray& senderKey, - const QOlmSession& session); - - // Returns a map UserId -> [DeviceId] that have not received key yet - QMultiHash devicesWithoutKey( - const QString& roomId, QMultiHash devices, - const QByteArray& sessionId); - // 'devices' contains tuples {userId, deviceId, curveKey} - void setDevicesReceivedKey( - const QString& roomId, - const QVector>& devices, - const QByteArray& sessionId, uint32_t index); - - bool isSessionVerified(const QString& edKey); - void setSessionVerified(const QString& edKeyId); - void setMasterKeyVerified(const QString& masterKey); - - QString edKeyForKeyId(const QString& userId, const QString& edKeyId); - void storeEncrypted(const QString& name, const QByteArray& key); - QByteArray loadEncrypted(const QString& name); - - QString userSigningPublicKey(); - QString selfSigningPublicKey(); - - QString edKeyForMegolmSession(const QString& sessionId); - QString senderKeyForMegolmSession(const QString& sessionId); - -private: - void migrateTo1(); - void migrateTo2(); - void migrateTo3(); - void migrateTo4(); - void migrateTo5(); - void migrateTo6(); - void migrateTo7(); - void migrateTo8(); - void migrateTo9(); - void migrateTo10(); - - QString m_userId; - QString m_deviceId; - PicklingKey m_picklingKey; -}; -} // namespace Quotient diff --git a/Quotient/e2ee/cryptoutils.cpp b/Quotient/e2ee/cryptoutils.cpp deleted file mode 100644 index 36741b02c..000000000 --- a/Quotient/e2ee/cryptoutils.cpp +++ /dev/null @@ -1,338 +0,0 @@ -// SPDX-FileCopyrightText: 2023 Tobias Fella -// SPDX-License-Identifier: LGPL-2.0-or-later - -#include "cryptoutils.h" -#include "e2ee_common.h" - -#include "../logging_categories_p.h" -#include "../util.h" - -#include -#include -#include -#include -#include -#include -#include - -#include -#include - -#include - -using namespace Quotient; - -// The checks below make sure the definitions in cryptoutils.h match those in -// OpenSSL headers - -static_assert(AesBlockSize == AES_BLOCK_SIZE); -static_assert(std::is_same_v); -static_assert(SslErrorUserOffset == ERR_LIB_USER); - -//! \brief A wrapper for `std::unique_ptr` for use with OpenSSL context functions -//! -//! This class and the deduction guide for it are merely to remove -//! the boilerplate necessary to pass custom deleter to `std::unique_ptr`. -//! Usage: `const ContextHolder ctx(CTX_new(), &CTX_free);`, where `CTX_new` and -//! `CTX_free` are the matching allocation and deallocation functions from -//! OpenSSL API. You can pass additional parameters to the allocation function -//! as needed; the deallocation function is assumed to take exactly one -//! parameter of the same type that is returned by the allocation function. -template -class ContextHolder : public std::unique_ptr { -public: - using std::unique_ptr::unique_ptr; -}; -template -ContextHolder(CryptoContext*, Deleter) -> ContextHolder; - -template - requires (sizeof(SizeT) >= sizeof(int)) -inline std::pair checkedSize( - SizeT uncheckedSize, - std::type_identity_t maxSize = std::numeric_limits::max()) -// ^ NB: usage of type_identity_t disables type deduction -{ - Q_ASSERT(uncheckedSize >= 0 && maxSize >= 0); - if (uncheckedSize <= maxSize) [[likely]] - return { static_cast(uncheckedSize), false }; - - qCCritical(E2EE) << "Cryptoutils:" << uncheckedSize - << "bytes is too many for OpenSSL, first" << maxSize - << "bytes will be taken"; - return { maxSize, true }; -} - -// NOLINTBEGIN(cppcoreguidelines-pro-bounds-array-to-pointer-decay) -// TODO: remove NOLINT brackets once we're on clang-tidy 18 -#define CLAMP_SIZE(SizeVar_, ByteArray_, ...) \ - const auto [SizeVar_, ByteArray_##Clamped] = \ - checkedSize((ByteArray_).size() __VA_OPT__(, ) __VA_ARGS__); \ - if (QUO_ALARM_X(ByteArray_##Clamped, \ - u"" #ByteArray_ \ - " is %1 bytes long, too much for OpenSSL and overall suspicious"_s.arg( \ - (ByteArray_).size()))) \ - return SslPayloadTooLong; \ - do {} while (false) \ -// End of macro - -#define CALL_OPENSSL(Call_) \ - do { \ - if ((Call_) <= 0) { \ - qCWarning(E2EE) << std::source_location::current().function_name() \ - << "failed to call OpenSSL API:" \ - << ERR_error_string(ERR_get_error(), nullptr); \ - return ERR_get_error(); \ - } \ - } while (false) \ - // End of macro -// NOLINTEND(cppcoreguidelines-pro-bounds-array-to-pointer-decay) - -SslErrorCode Quotient::_impl::pbkdf2HmacSha512(const QByteArray& passphrase, const QByteArray& salt, - int iterations, byte_span_t<> output) -{ - CLAMP_SIZE(passphraseSize, passphrase); - CLAMP_SIZE(saltSize, salt); - CLAMP_SIZE(outputSize, output); - CALL_OPENSSL(PKCS5_PBKDF2_HMAC(passphrase.data(), passphraseSize, asCBytes(salt).data(), - saltSize, iterations, EVP_sha512(), outputSize, output.data())); - return 0; // OpenSSL doesn't have a special constant for success code :/ -} - -SslExpected Quotient::aesCtr256Encrypt(const QByteArray& plaintext, - byte_view_t key, - byte_view_t iv) -{ - CLAMP_SIZE(plaintextSize, plaintext); - - const ContextHolder ctx(EVP_CIPHER_CTX_new(), &EVP_CIPHER_CTX_free); - if (QUO_ALARM_X(!ctx, QByteArrayLiteral("failed to create SSL context: ") - + ERR_error_string(ERR_get_error(), nullptr))) - return ERR_get_error(); - - QByteArray encrypted(plaintextSize + static_cast(iv.size()), - Qt::Uninitialized); - int encryptedLength = 0; - { - // Working with `encrypted` the span adaptor in this scope, avoiding reinterpret_casts - auto encryptedSpan = asWritableCBytes(encrypted); - fillFromSecureRng(encryptedSpan); // Now `encrypted` is initialised - constexpr auto mask = static_cast(~(1U << (63 / 8))); - encryptedSpan[15 - 63 % 8] &= mask; - - CALL_OPENSSL(EVP_EncryptInit_ex(ctx.get(), EVP_aes_256_ctr(), nullptr, - key.data(), iv.data())); - - CALL_OPENSSL( - EVP_EncryptUpdate(ctx.get(), encryptedSpan.data(), &encryptedLength, - asCBytes(plaintext).data(), plaintextSize)); - Q_ASSERT(encryptedLength >= 0); - - int tailLength = -1; - CALL_OPENSSL(EVP_EncryptFinal_ex( - ctx.get(), - encryptedSpan.subspan(static_cast(encryptedLength)).data(), - &tailLength)); - Q_ASSERT_X(tailLength == 0, std::source_location::current().function_name(), - "Encryption finalizer returned non-zero-size tail - this should not happen with " - "AES CTR algorithm."); - encryptedLength += tailLength; // Recovery for Release builds - } - encrypted.resize(encryptedLength); - return encrypted; -} - -SslExpected Quotient::hkdfSha256(byte_view_t key, - byte_view_t<32> salt, byte_view_t<> info) -{ - CLAMP_SIZE(infoSize, info); - - HkdfKeys result; - const ContextHolder context(EVP_PKEY_CTX_new_id(EVP_PKEY_HKDF, nullptr), - &EVP_PKEY_CTX_free); - - CALL_OPENSSL(EVP_PKEY_derive_init(context.get())); - CALL_OPENSSL(EVP_PKEY_CTX_set_hkdf_md(context.get(), EVP_sha256())); - CALL_OPENSSL(EVP_PKEY_CTX_set1_hkdf_salt(context.get(), salt.data(), salt.size())); - CALL_OPENSSL(EVP_PKEY_CTX_set1_hkdf_key(context.get(), key.data(), key.size())); - CALL_OPENSSL(EVP_PKEY_CTX_add1_hkdf_info(context.get(), info.data(), infoSize)); - size_t outputLength = result.size(); - CALL_OPENSSL(EVP_PKEY_derive(context.get(), result.data(), &outputLength)); - if (outputLength != result.size()) { - qCCritical(E2EE) << "hkdfSha256: the shared secret is" << outputLength - << "bytes instead of" << result.size(); - Q_ASSERT(false); - return WrongDerivedKeyLength; - } - - return result; -} - -SslExpected Quotient::hmacSha256(byte_view_t hmacKey, - const QByteArray& data) -{ - unsigned int len = SHA256_DIGEST_LENGTH; - auto output = zeroedByteArray(SHA256_DIGEST_LENGTH); - if (HMAC(EVP_sha256(), hmacKey.data(), hmacKey.size(), asCBytes(data).data(), - unsignedSize(data), asWritableCBytes(output).data(), &len) - == nullptr) { - qWarning() << ERR_error_string(ERR_get_error(), nullptr); - return ERR_get_error(); - } - return output; -} - -SslExpected Quotient::aesCtr256Decrypt(const QByteArray& ciphertext, - byte_view_t key, - byte_view_t iv) -{ - CLAMP_SIZE(ciphertextSize, ciphertext); - - const ContextHolder context(EVP_CIPHER_CTX_new(), &EVP_CIPHER_CTX_free); - if (!context) { - qCCritical(E2EE) - << "aesCtr256Decrypt() failed to create cipher context:" - << ERR_error_string(ERR_get_error(), nullptr); - Q_ASSERT(context); - return ERR_get_error(); - } - - auto decrypted = zeroedByteArray(ciphertextSize); - int decryptedLength = 0; - { - const auto decryptedSpan = asWritableCBytes(decrypted); - CALL_OPENSSL(EVP_DecryptInit_ex(context.get(), EVP_aes_256_ctr(), - nullptr, key.data(), iv.data())); - CALL_OPENSSL(EVP_DecryptUpdate(context.get(), decryptedSpan.data(), - &decryptedLength, - asCBytes(ciphertext).data(), - ciphertextSize)); - int tailLength = -1; - CALL_OPENSSL( - EVP_DecryptFinal_ex(context.get(), - decryptedSpan.subspan(static_cast(decryptedLength)).data(), - &tailLength)); - Q_ASSERT_X(tailLength == 0, std::source_location::current().function_name(), - "Decrypt operation finalizer returned non-zero-size tail - this should not " - "happen with AES CTR algorithm."); - decryptedLength += tailLength; - } - decrypted.resize(decryptedLength); - return decrypted; -} - -QOlmExpected Quotient::curve25519AesSha2Decrypt( - QByteArray ciphertext, const QByteArray& privateKey, - const QByteArray& ephemeral, const QByteArray& mac) -{ - auto context = makeCStruct(olm_pk_decryption, olm_pk_decryption_size, olm_clear_pk_decryption); - Q_ASSERT(context); - - // NB: The produced public key is not actually used, the call is only - // to fill the context with the private key for olm_pk_decrypt() - if (std::vector publicKey(olm_pk_key_length()); - olm_pk_key_from_private(context.get(), publicKey.data(), - publicKey.size(), privateKey.data(), - unsignedSize(privateKey)) - == olm_error()) - return olm_pk_decryption_last_error_code(context.get()); - - auto plaintext = byteArrayForOlm(olm_pk_max_plaintext_length(context.get(), unsignedSize(ciphertext))); - const auto resultSize = olm_pk_decrypt(context.get(), ephemeral.data(), unsignedSize(ephemeral), mac.data(), unsignedSize(mac), ciphertext.data(), unsignedSize(ciphertext), plaintext.data(), unsignedSize(plaintext)); - if (resultSize == olm_error()) - return olm_pk_decryption_last_error_code(context.get()); - - const auto checkedResultSize = checkedSize(resultSize).first; - plaintext.resize(checkedResultSize); - return plaintext; -} - -QOlmExpected Quotient::curve25519AesSha2Encrypt( - const QByteArray& plaintext, const QByteArray& publicKey) -{ - auto context = makeCStruct(olm_pk_encryption, olm_pk_encryption_size, - olm_clear_pk_encryption); - - if (olm_pk_encryption_set_recipient_key(context.get(), publicKey.data(), - unsignedSize(publicKey)) - == olm_error()) - return olm_pk_encryption_last_error_code(context.get()); - - auto ephemeral = byteArrayForOlm(olm_pk_key_length()); - auto mac = byteArrayForOlm(olm_pk_mac_length(context.get())); - auto ciphertext = byteArrayForOlm( - olm_pk_ciphertext_length(context.get(), unsignedSize(plaintext))); - - const auto randomLength = olm_pk_encrypt_random_length(context.get()); - if (olm_pk_encrypt(context.get(), plaintext.data(), unsignedSize(plaintext), - ciphertext.data(), unsignedSize(ciphertext), mac.data(), - unsignedSize(mac), ephemeral.data(), - unsignedSize(ephemeral), getRandom(randomLength).data(), - randomLength) - == olm_error()) - return olm_pk_encryption_last_error_code(context.get()); - - return Curve25519Encrypted { - .ciphertext = ciphertext, - .mac = mac, - .ephemeral = ephemeral, - }; -} - -std::vector Quotient::base58Decode(const QByteArray& encoded) -{ - // See https://spec.matrix.org/latest/client-server-api/#recovery-key - constexpr auto reverse_alphabet = []() consteval { - std::array init; // NOLINT(cppcoreguidelines-pro-type-member-init) - init.fill(0xFF); - const std::array alphabet{ - "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz" - }; - // NOLINTNEXTLINE(bugprone-too-small-loop-variable) - for (uint8_t i = 0; i < std::size(alphabet) - 1; ++i) { - init[alphabet[i]] = i; - } - return init; - }(); - - std::vector result; - result.reserve(unsignedSize(encoded) * 733 / 1000 + 1); - - for (const auto b : encoded) { - uint32_t carry = reverse_alphabet[static_cast(b)]; - for (auto& j : result) { - carry += j * 58; - j = carry & 0xFF; - carry /= 0x100; - } - while (carry > 0) { - result.push_back(carry & 0xFF); - carry /= 0x100; - } - } - - for (auto i = 0; i < encoded.size() && encoded[i] == '1'; ++i) { - result.push_back(0x0); - } - - std::reverse(result.begin(), result.end()); - return result; -} - -QByteArray Quotient::sign(const QByteArray& key, const QByteArray& data) -{ - auto context = makeCStruct(olm_pk_signing, olm_pk_signing_size, olm_clear_pk_signing); - QByteArray pubKey(olm_pk_signing_public_key_length(), 0); - olm_pk_signing_key_from_seed(context.get(), pubKey.data(), unsignedSize(pubKey), key.data(), - unsignedSize(key)); - Q_ASSERT(context); - - const auto signatureLength = olm_pk_signature_length(); - auto signatureBuffer = byteArrayForOlm(signatureLength); - - if (olm_pk_sign(context.get(), asCBytes(data).data(), unsignedSize(data), asWritableCBytes(signatureBuffer).data(), signatureLength) - == olm_error()) - QOLM_INTERNAL_ERROR_X("Failed to sign a message", olm_pk_signing_last_error(context.get())); - - return signatureBuffer; -} diff --git a/Quotient/e2ee/cryptoutils.h b/Quotient/e2ee/cryptoutils.h deleted file mode 100644 index b02687d81..000000000 --- a/Quotient/e2ee/cryptoutils.h +++ /dev/null @@ -1,121 +0,0 @@ -// SPDX-FileCopyrightText: 2023 Tobias Fella -// SPDX-License-Identifier: LGPL-2.0-or-later - -#pragma once - -#include "e2ee_common.h" -#include "../expected.h" - -#include "../quotient_export.h" - -#include -#include - -namespace Quotient { - -// Common remark: OpenSSL is a private dependency of libQuotient, meaning that -// headers of libQuotient can't include OpenSSL headers. Instead, alias -// the value or type along with a comment (see SslErrorCode e.g.) and add -// static_assert in the .cpp file to check it against the OpenSSL definition. - -constexpr auto DefaultPbkdf2KeyLength = 32u; -constexpr auto Aes256KeySize = 32u; -constexpr auto AesBlockSize = 16u; // AES_BLOCK_SIZE -constexpr auto HmacKeySize = 32u; - -struct QUOTIENT_API HkdfKeys - : public FixedBuffer { - //! \brief Key to be used for AES encryption / decryption - auto aes() const { return asCBytes(*this).first(); } - //! \brief Key to be used for MAC creation / verification - auto mac() const { return asCBytes(*this).last(); } -}; - -struct QUOTIENT_API Curve25519Encrypted { - QByteArray ciphertext; - QByteArray mac; - QByteArray ephemeral; -}; - -// NOLINTNEXTLINE(google-runtime-int): the type is copied from OpenSSL -using SslErrorCode = unsigned long; // decltype(ERR_get_error()) - -template -using key_material_t = std::array; -using key_view_t = byte_view_t; - -enum SslErrorCodes : SslErrorCode { - SslErrorUserOffset = 128, // ERR_LIB_USER; never use this bare - WrongDerivedKeyLength = SslErrorUserOffset + 1, - SslPayloadTooLong = SslErrorUserOffset + 2 -}; - -//! Same as QOlmExpected but for wrapping OpenSSL instead of Olm calls -template -using SslExpected = Expected; - -// TODO, 0.9: merge zeroedByteArray() into zeroes() and replace const QByteArray& with -// QByteArrayView where OpenSSL/Olm expect an array of signed chars - -inline QByteArray zeroedByteArray(QByteArray::size_type n = 32) { return { n, '\0' }; } - -template consteval std::array zeroes() { return {}; } - -namespace _impl { - QUOTIENT_API SslErrorCode pbkdf2HmacSha512(const QByteArray& passphrase, const QByteArray& salt, - int iterations, byte_span_t<> output); -} - -//! Generate a key out of the given passphrase -template -QUOTIENT_API inline SslExpected> pbkdf2HmacSha512(const QByteArray& passphrase, - const QByteArray& salt, - int iterations) -{ - key_material_t result; - if (auto code = _impl::pbkdf2HmacSha512(passphrase, salt, iterations, result); code != 0) - return code; - return result; -} - -//! \brief Derive a key from the input data using HKDF-SHA256 -//! -//! The info parameter should be either 0 or 32 bytes long -QUOTIENT_API SslExpected hkdfSha256(key_view_t key, byte_view_t<32> salt, - byte_view_t<> info); - -//! Calculate a MAC from the given key and data -QUOTIENT_API SslExpected hmacSha256( - byte_view_t hmacKey, - const QByteArray& data); - -//! \brief Decrypt the data using Curve25519-AES-Sha256 -//! \note ciphertext must be given as base64 -QUOTIENT_API QOlmExpected curve25519AesSha2Decrypt( - QByteArray ciphertext, const QByteArray& privateKey, - const QByteArray& ephemeral, const QByteArray& mac); - -//! \brief Encrypt the data using Curve25519-AES-Sha256 -//! \note publicKey must be given as base64 -QUOTIENT_API QOlmExpected curve25519AesSha2Encrypt( - const QByteArray& plaintext, const QByteArray& publicKey); - -//! \brief Encrypt data using AES-CTR-256 -//! -//! key and iv have a length of 32 bytes -QUOTIENT_API SslExpected aesCtr256Encrypt( - const QByteArray& plaintext, byte_view_t key, - byte_view_t iv); - -//! \brief Decrypt data using AES-CTR-256 -//! -//! key and iv have a length of 32 bytes -QUOTIENT_API SslExpected aesCtr256Decrypt( - const QByteArray& ciphertext, byte_view_t key, - byte_view_t iv); - -QUOTIENT_API std::vector base58Decode(const QByteArray& encoded); - -QUOTIENT_API QByteArray sign(const QByteArray &key, const QByteArray &data); - -} // namespace Quotient diff --git a/Quotient/e2ee/e2ee_common.h b/Quotient/e2ee/e2ee_common.h index 64bfb7161..c3521c2cd 100644 --- a/Quotient/e2ee/e2ee_common.h +++ b/Quotient/e2ee/e2ee_common.h @@ -15,8 +15,6 @@ #include #include -#include - namespace Quotient { constexpr inline auto AlgorithmKeyL = "algorithm"_L1; @@ -60,8 +58,8 @@ inline bool isSupportedAlgorithm(const QString& algorithm) #define QOLM_FAIL_OR_LOG(InternalFailureValue_, Message_) \ QOLM_FAIL_OR_LOG_X(lastErrorCode() == (InternalFailureValue_), (Message_), lastError()) -template -using QOlmExpected = Expected; +// template +// using QOlmExpected = Expected; //! \brief Initialise a buffer object for use with Olm calls //! diff --git a/Quotient/e2ee/qolmaccount.cpp b/Quotient/e2ee/qolmaccount.cpp deleted file mode 100644 index 98303430d..000000000 --- a/Quotient/e2ee/qolmaccount.cpp +++ /dev/null @@ -1,302 +0,0 @@ -// SPDX-FileCopyrightText: 2021 Carl Schwan -// -// SPDX-License-Identifier: LGPL-2.1-or-later - -#include "qolmaccount.h" - -#include "../logging_categories_p.h" -#include "qolmsession.h" -#include "qolmutility.h" - -#include "../csapi/keys.h" - -#include - -#include - -#include - -using namespace Quotient; - -// Convert olm error to enum -OlmErrorCode QOlmAccount::lastErrorCode() const { - return olm_account_last_error_code(olmData); -} - -const char* QOlmAccount::lastError() const -{ - return olm_account_last_error(olmData); -} - -QOlmExpected QOlmAccount::createInbound( - QOlmMessage preKeyMessage, const QByteArray& theirIdentityKey) const -{ - if (preKeyMessage.type() != QOlmMessage::PreKey) { - qCCritical(E2EE) << "The message is not a pre-key; will try to create " - "the inbound session anyway"; - } - - QOlmSession session{}; - - // std::span has size_type that fits standard library and Olm, avoiding - // the warning noise about integer signedness/precision - const std::span oneTimeKeyMessageBuf{ preKeyMessage.begin(), - preKeyMessage.end() }; - const std::span theirIdentityKeyBuf{ theirIdentityKey.cbegin(), - theirIdentityKey.cend() }; - const auto error = - theirIdentityKey.isEmpty() - ? olm_create_inbound_session(session.olmData, olmData, - oneTimeKeyMessageBuf.data(), - oneTimeKeyMessageBuf.size()) - : olm_create_inbound_session_from(session.olmData, olmData, - theirIdentityKeyBuf.data(), - theirIdentityKeyBuf.size(), - oneTimeKeyMessageBuf.data(), - oneTimeKeyMessageBuf.size()); - - if (error == olm_error()) { - qCWarning(E2EE) << "Error when creating inbound session" - << session.lastError(); - return session.lastErrorCode(); - } - - return session; -} - -QOlmAccount::QOlmAccount(QString userId, QString deviceId, QObject* parent) - : QObject(parent) - , olmDataHolder(makeCStruct(olm_account, olm_account_size, olm_clear_account)) - , m_userId(std::move(userId)) - , m_deviceId(std::move(deviceId)) -{} - -void QOlmAccount::setupNewAccount() -{ - if (const auto randomLength = olm_create_account_random_length(olmData); - olm_create_account(olmData, getRandom(randomLength).data(), randomLength) - == olm_error()) - QOLM_INTERNAL_ERROR("Failed to setup a new account"); - - emit needsSave(); -} - -OlmErrorCode QOlmAccount::unpickle(QByteArray&& pickled, const PicklingKey& key) -{ - if (olm_unpickle_account(olmData, key.data(), key.size(), pickled.data(), - unsignedSize(pickled)) - == olm_error()) { - // Probably log the user out since we have no way of getting to the keys - return lastErrorCode(); - } - return OLM_SUCCESS; -} - -QByteArray QOlmAccount::pickle(const PicklingKey& key) const -{ - const auto pickleLength = olm_pickle_account_length(olmData); - auto pickleBuffer = byteArrayForOlm(pickleLength); - if (olm_pickle_account(olmData, key.data(), key.size(), - pickleBuffer.data(), pickleLength) - == olm_error()) - QOLM_INTERNAL_ERROR("Failed to pickle Olm account "_L1 + accountId()); - - return pickleBuffer; -} - -IdentityKeys QOlmAccount::identityKeys() const -{ - const auto keyLength = olm_account_identity_keys_length(olmData); - auto keyBuffer = byteArrayForOlm(keyLength); - if (olm_account_identity_keys(olmData, keyBuffer.data(), keyLength) - == olm_error()) { - QOLM_INTERNAL_ERROR("Failed to get "_L1 % accountId() % " identity keys"_L1); - } - const auto key = QJsonDocument::fromJson(keyBuffer).object(); - return { key.value("curve25519"_L1).toString(), key.value("ed25519"_L1).toString() }; -} - -QByteArray QOlmAccount::sign(const QByteArray &message) const -{ - const auto signatureLength = olm_account_signature_length(olmData); - auto signatureBuffer = byteArrayForOlm(signatureLength); - - if (olm_account_sign(olmData, message.data(), unsignedSize(message), - signatureBuffer.data(), signatureLength) - == olm_error()) - QOLM_INTERNAL_ERROR("Failed to sign a message"); - - return signatureBuffer; -} - -QByteArray QOlmAccount::sign(const QJsonObject &message) const -{ - return sign(QJsonDocument(message).toJson(QJsonDocument::Compact)); -} - -QByteArray QOlmAccount::signIdentityKeys() const -{ - const auto keys = identityKeys(); - static const auto& Algorithms = toJson(SupportedAlgorithms); - return sign( - QJsonObject{ { u"algorithms"_s, Algorithms }, - { u"user_id"_s, m_userId }, - { u"device_id"_s, m_deviceId }, - { u"keys"_s, QJsonObject{ { "curve25519:"_L1 + m_deviceId, keys.curve25519 }, - { "ed25519:"_L1 + m_deviceId, keys.ed25519 } } } }); -} - -size_t QOlmAccount::maxNumberOfOneTimeKeys() const -{ - return olm_account_max_number_of_one_time_keys(olmData); -} - -size_t QOlmAccount::generateOneTimeKeys(size_t numberOfKeys) -{ - const auto randomLength = - olm_account_generate_one_time_keys_random_length(olmData, numberOfKeys); - const auto result = olm_account_generate_one_time_keys( - olmData, numberOfKeys, getRandom(randomLength).data(), randomLength); - - if (result == olm_error()) - QOLM_INTERNAL_ERROR("Failed to generate one-time keys for account "_L1 + accountId()); - - emit needsSave(); - return result; -} - -UnsignedOneTimeKeys QOlmAccount::oneTimeKeys() const -{ - const auto oneTimeKeyLength = olm_account_one_time_keys_length(olmData); - QByteArray oneTimeKeysBuffer(static_cast(oneTimeKeyLength), '\0'); - - if (olm_account_one_time_keys(olmData, oneTimeKeysBuffer.data(), - oneTimeKeyLength) - == olm_error()) - QOLM_INTERNAL_ERROR("Failed to obtain one-time keys for account"_L1 % accountId()); - - const auto json = QJsonDocument::fromJson(oneTimeKeysBuffer).object(); - UnsignedOneTimeKeys oneTimeKeys; - fromJson(json, oneTimeKeys.keys); - return oneTimeKeys; -} - -OneTimeKeys QOlmAccount::signOneTimeKeys(const UnsignedOneTimeKeys &keys) const -{ - OneTimeKeys signedOneTimeKeys; - for (const auto& [keyId, key] : keys.curve25519().asKeyValueRange()) - signedOneTimeKeys.insert("signed_curve25519:"_L1 % keyId, - SignedOneTimeKey { - key, m_userId, m_deviceId, - sign(QJsonObject { { "key"_L1, key } }) }); - return signedOneTimeKeys; -} - -OlmErrorCode QOlmAccount::removeOneTimeKeys(const QOlmSession& session) -{ - if (olm_remove_one_time_keys(olmData, session.olmData) == olm_error()) { - qWarning(E2EE).nospace() - << "Failed to remove one-time keys for session " - << session.sessionId() << ": "_L1 << lastError(); - return lastErrorCode(); - } - emit needsSave(); - return OLM_SUCCESS; -} - -DeviceKeys QOlmAccount::deviceKeys() const -{ - static const QStringList Algorithms(SupportedAlgorithms.cbegin(), - SupportedAlgorithms.cend()); - - const auto idKeys = identityKeys(); - return DeviceKeys{ - .userId = m_userId, - .deviceId = m_deviceId, - .algorithms = Algorithms, - .keys{ { "curve25519:"_L1 + m_deviceId, idKeys.curve25519 }, - { "ed25519:"_L1 + m_deviceId, idKeys.ed25519 } }, - .signatures{ { m_userId, - { { "ed25519:"_L1 + m_deviceId, - QString::fromLatin1(signIdentityKeys()) } } } } - }; -} - -UploadKeysJob* QOlmAccount::createUploadKeyRequest( - const UnsignedOneTimeKeys& oneTimeKeys) const -{ - return new UploadKeysJob(deviceKeys(), signOneTimeKeys(oneTimeKeys)); -} - -QOlmExpected QOlmAccount::createInboundSession( - const QOlmMessage& preKeyMessage) const -{ - Q_ASSERT(preKeyMessage.type() == QOlmMessage::PreKey); - return createInbound(preKeyMessage); -} - -QOlmExpected QOlmAccount::createInboundSessionFrom( - const QByteArray& theirIdentityKey, const QOlmMessage& preKeyMessage) const -{ - Q_ASSERT(preKeyMessage.type() == QOlmMessage::PreKey); - return createInbound(preKeyMessage, theirIdentityKey); -} - -QOlmExpected QOlmAccount::createOutboundSession( - const QByteArray& theirIdentityKey, const QByteArray& theirOneTimeKey) const -{ - QOlmSession olmOutboundSession{}; - if (const auto randomLength = - olm_create_outbound_session_random_length(olmOutboundSession.olmData); - olm_create_outbound_session(olmOutboundSession.olmData, olmData, theirIdentityKey.data(), - unsignedSize(theirIdentityKey), theirOneTimeKey.data(), - unsignedSize(theirOneTimeKey), getRandom(randomLength).data(), - randomLength) - == olm_error()) { - const auto errorCode = olmOutboundSession.lastErrorCode(); - QOLM_FAIL_OR_LOG_X(errorCode == OLM_NOT_ENOUGH_RANDOM, - "Failed to create an outbound Olm session"_L1, - olmOutboundSession.lastError()); - return errorCode; - } - return olmOutboundSession; -} - -void QOlmAccount::markKeysAsPublished() -{ - olm_account_mark_keys_as_published(olmData); - emit needsSave(); -} - -bool Quotient::verifyIdentitySignature(const DeviceKeys& deviceKeys, - const QString& deviceId, - const QString& userId) -{ - const auto signKeyId = "ed25519:"_L1 + deviceId; - const auto signingKey = deviceKeys.keys[signKeyId]; - const auto signature = deviceKeys.signatures[userId][signKeyId]; - - return ed25519VerifySignature(signingKey, toJson(deviceKeys), signature); -} - -bool Quotient::ed25519VerifySignature(const QString& signingKey, - const QJsonObject& obj, - const QString& signature) -{ - if (signature.isEmpty()) - return false; - - QJsonObject obj1 = obj; - - obj1.remove("unsigned"_L1); - obj1.remove("signatures"_L1); - - auto canonicalJson = QJsonDocument(obj1).toJson(QJsonDocument::Compact); - - QByteArray signingKeyBuf = signingKey.toUtf8(); - QOlmUtility utility; - auto signatureBuf = signature.toUtf8(); - return utility.ed25519Verify(signingKeyBuf, canonicalJson, signatureBuf); -} - -QString QOlmAccount::accountId() const { return m_userId % u'/' % m_deviceId; } diff --git a/Quotient/e2ee/qolmaccount.h b/Quotient/e2ee/qolmaccount.h deleted file mode 100644 index 1a40ee352..000000000 --- a/Quotient/e2ee/qolmaccount.h +++ /dev/null @@ -1,127 +0,0 @@ -// SPDX-FileCopyrightText: 2021 Carl Schwan -// -// SPDX-License-Identifier: LGPL-2.1-or-later - - -#pragma once - -#include -#include - -#include - -#include - -struct OlmAccount; - -namespace Quotient { - -class QOlmSession; - -//! An olm account manages all cryptographic keys used on a device. -//! \code{.cpp} -//! const auto olmAccount = new QOlmAccount(this); -//! \endcode -class QUOTIENT_API QOlmAccount : public QObject -{ - Q_OBJECT -public: - QOlmAccount(QString userId, QString deviceId, QObject* parent = nullptr); - - //! Creates a new instance of OlmAccount. During the instantiation - //! the Ed25519 fingerprint key pair and the Curve25519 identity key - //! pair are generated. - //! \sa https://matrix.org/docs/guides/e2e_implementation.html#keys-used-in-end-to-end-encryption - //! \note This needs to be called before any other action or use unpickle() instead. - void setupNewAccount(); - - //! Deserialises from encrypted Base64 that was previously obtained by pickling a `QOlmAccount`. - //! \note This needs to be called before any other action or use setupNewAccount() instead. - [[nodiscard]] OlmErrorCode unpickle(QByteArray&& pickled, - const PicklingKey& key); - - //! Serialises an OlmAccount to encrypted Base64. - QByteArray pickle(const PicklingKey& key) const; - - //! Returns the account's public identity keys already formatted as JSON - IdentityKeys identityKeys() const; - - //! Returns the signature of the supplied message. - QByteArray sign(const QByteArray &message) const; - QByteArray sign(const QJsonObject& message) const; - - //! Sign identity keys. - QByteArray signIdentityKeys() const; - - //! Maximum number of one time keys that this OlmAccount can - //! currently hold. - size_t maxNumberOfOneTimeKeys() const; - - //! Generates the supplied number of one time keys. - size_t generateOneTimeKeys(size_t numberOfKeys); - - //! Gets the OlmAccount's one time keys formatted as JSON. - UnsignedOneTimeKeys oneTimeKeys() const; - - //! Sign all one time keys. - OneTimeKeys signOneTimeKeys(const UnsignedOneTimeKeys &keys) const; - - UploadKeysJob* createUploadKeyRequest(const UnsignedOneTimeKeys& oneTimeKeys) const; - - DeviceKeys deviceKeys() const; - - //! Remove the one time key used to create the supplied session. - [[nodiscard]] OlmErrorCode removeOneTimeKeys(const QOlmSession& session); - - //! Creates an inbound session for sending/receiving messages from a received 'prekey' message. - //! - //! \param preKeyMessage An Olm pre-key message that was encrypted for this account. - QOlmExpected createInboundSession( - const QOlmMessage& preKeyMessage) const; - - //! Creates an inbound session for sending/receiving messages from a received 'prekey' message. - //! - //! \param theirIdentityKey - The identity key of the Olm account that - //! encrypted this Olm message. - QOlmExpected createInboundSessionFrom( - const QByteArray& theirIdentityKey, - const QOlmMessage& preKeyMessage) const; - - //! Creates an outbound session for sending messages to a specific - /// identity and one time key. - QOlmExpected createOutboundSession( - const QByteArray& theirIdentityKey, - const QByteArray& theirOneTimeKey) const; - - void markKeysAsPublished(); - - OlmErrorCode lastErrorCode() const; - const char* lastError() const; - -Q_SIGNALS: - void needsSave(); - -private: - CStructPtr olmDataHolder; - QString m_userId; - QString m_deviceId; - OlmAccount* olmData = olmDataHolder.get(); - - QOlmExpected createInbound(QOlmMessage preKeyMessage, - const QByteArray &theirIdentityKey = "") const; - - QString accountId() const; -}; - -// TODO, 0.9: Move the two below to qolmutility.h - -QUOTIENT_API bool verifyIdentitySignature(const DeviceKeys& deviceKeys, - const QString& deviceId, - const QString& userId); - -//! checks if the signature is signed by the signing_key -QUOTIENT_API bool ed25519VerifySignature(const QString& signingKey, - const QJsonObject& obj, - const QString& signature); - -} // namespace Quotient diff --git a/Quotient/e2ee/qolminboundsession.cpp b/Quotient/e2ee/qolminboundsession.cpp deleted file mode 100644 index 8d53ccee5..000000000 --- a/Quotient/e2ee/qolminboundsession.cpp +++ /dev/null @@ -1,169 +0,0 @@ -// SPDX-FileCopyrightText: 2021 Carl Schwan -// -// SPDX-License-Identifier: LGPL-2.1-or-later - -#include "qolminboundsession.h" - -#include "../logging_categories_p.h" - -#include - -#include -#include - -using namespace Quotient; - -OlmErrorCode QOlmInboundGroupSession::lastErrorCode() const { - return olm_inbound_group_session_last_error_code(olmData); -} - -const char* QOlmInboundGroupSession::lastError() const -{ - return olm_inbound_group_session_last_error(olmData); -} - -QOlmInboundGroupSession::QOlmInboundGroupSession() - : m_groupSession(makeCStruct(olm_inbound_group_session, - olm_inbound_group_session_size, - olm_clear_inbound_group_session)) -{} - -QOlmExpected QOlmInboundGroupSession::create(const QByteArray& key) -{ - QOlmInboundGroupSession groupSession{}; - if (olm_init_inbound_group_session(groupSession.olmData, - std::bit_cast(key.constData()), - unsignedSize(key)) - == olm_error()) { - qWarning(E2EE) << "Failed to create an inbound group session:" - << groupSession.lastError(); - return groupSession.lastErrorCode(); - } - - return groupSession; -} - -QOlmExpected QOlmInboundGroupSession::importSession(const QByteArray& key) -{ - QOlmInboundGroupSession groupSession{}; - if (olm_import_inbound_group_session(groupSession.olmData, - std::bit_cast(key.data()), - unsignedSize(key)) - == olm_error()) { - qWarning(E2EE) << "Failed to import an inbound group session:" - << groupSession.lastError(); - return groupSession.lastErrorCode(); - } - - return groupSession; -} - -QByteArray QOlmInboundGroupSession::pickle(const PicklingKey& key) const -{ - const auto pickleLength = olm_pickle_inbound_group_session_length(olmData); - auto pickledBuf = byteArrayForOlm(pickleLength); - if (olm_pickle_inbound_group_session(olmData, key.data(), key.size(), - pickledBuf.data(), pickleLength) - == olm_error()) { - QOLM_INTERNAL_ERROR("Failed to pickle the inbound group session"); - } - return pickledBuf; -} - -QOlmExpected QOlmInboundGroupSession::unpickle( - QByteArray&& pickled, const PicklingKey& key) -{ - QOlmInboundGroupSession groupSession{}; - if (olm_unpickle_inbound_group_session(groupSession.olmData, key.data(), - key.size(), pickled.data(), - unsignedSize(pickled)) - == olm_error()) { - qWarning(E2EE) << "Failed to unpickle an inbound group session:" - << groupSession.lastError(); - return groupSession.lastErrorCode(); - } - - return groupSession; -} - -QOlmExpected> QOlmInboundGroupSession::decrypt( - const QByteArray& message) -{ - // This is for capturing the output of olm_group_decrypt - uint32_t messageIndex = 0; - - // We need to clone the message because - // olm_decrypt_max_plaintext_length destroys the input buffer - const auto plaintextLength = olm_group_decrypt_max_plaintext_length( - olmData, std::bit_cast(QByteArray(message).data()), unsignedSize(message)); - auto plaintextBuf = byteArrayForOlm(plaintextLength); - - const auto actualLength = - olm_group_decrypt(olmData, std::bit_cast(QByteArray(message).data()), - unsignedSize(message), std::bit_cast(plaintextBuf.data()), - plaintextLength, &messageIndex); - if (actualLength == olm_error()) { - qWarning(E2EE) << "Failed to decrypt the message:" << lastError(); - return lastErrorCode(); - } - - // actualLength cannot be more than plainTextLength because the resulting - // text would overflow the allocated memory; but it can be less, in theory - plaintextBuf.truncate(static_cast(actualLength)); - return std::pair{ plaintextBuf, messageIndex }; -} - -QOlmExpected QOlmInboundGroupSession::exportSession( - uint32_t messageIndex) -{ - const auto keyLength = olm_export_inbound_group_session_length(olmData); - auto keyBuf = byteArrayForOlm(keyLength); - if (olm_export_inbound_group_session(olmData, std::bit_cast(keyBuf.data()), keyLength, - messageIndex) - == olm_error()) { - QOLM_FAIL_OR_LOG(OLM_OUTPUT_BUFFER_TOO_SMALL, - "Failed to export the inbound group session"_L1); - return lastErrorCode(); - } - return keyBuf; -} - -uint32_t QOlmInboundGroupSession::firstKnownIndex() const -{ - return olm_inbound_group_session_first_known_index(olmData); -} - -QByteArray QOlmInboundGroupSession::sessionId() const -{ - const auto sessionIdLength = olm_inbound_group_session_id_length(olmData); - auto sessionIdBuf = byteArrayForOlm(sessionIdLength); - if (olm_inbound_group_session_id(olmData, std::bit_cast(sessionIdBuf.data()), - sessionIdLength) - == olm_error()) - QOLM_INTERNAL_ERROR("Failed to obtain the group session id"); - - return sessionIdBuf; -} - -bool QOlmInboundGroupSession::isVerified() const -{ - return olm_inbound_group_session_is_verified(olmData) != 0; -} - -QByteArray QOlmInboundGroupSession::olmSessionId() const -{ - return m_olmSessionId; -} -void QOlmInboundGroupSession::setOlmSessionId(const QByteArray& newOlmSessionId) -{ - m_olmSessionId = newOlmSessionId; -} - -QString QOlmInboundGroupSession::senderId() const -{ - return m_senderId; -} -void QOlmInboundGroupSession::setSenderId(const QString& senderId) -{ - m_senderId = senderId; -} diff --git a/Quotient/e2ee/qolminboundsession.h b/Quotient/e2ee/qolminboundsession.h deleted file mode 100644 index 6aa3cd5e4..000000000 --- a/Quotient/e2ee/qolminboundsession.h +++ /dev/null @@ -1,61 +0,0 @@ -// SPDX-FileCopyrightText: 2021 Carl Schwan -// -// SPDX-License-Identifier: LGPL-2.1-or-later - -#pragma once - -#include - -struct OlmInboundGroupSession; - -namespace Quotient { - -//! An in-bound group session is responsible for decrypting incoming -//! communication in a Megolm session. -class QUOTIENT_API QOlmInboundGroupSession -{ -public: - //! Creates a new instance of `OlmInboundGroupSession`. - static QOlmExpected create(const QByteArray& key); - //! Import an inbound group session, from a previous export. - static QOlmExpected importSession( - const QByteArray& key); - //! Serialises an `OlmInboundGroupSession` to encrypted Base64. - QByteArray pickle(const PicklingKey& key) const; - //! Deserialises from encrypted Base64 that was previously obtained by pickling - //! an `OlmInboundGroupSession`. - static QOlmExpected unpickle( - QByteArray&& pickled, const PicklingKey& key); - //! Decrypts ciphertext received for this group session. - QOlmExpected > decrypt(const QByteArray& message); - //! Export the base64-encoded ratchet key for this session, at the given index, - //! in a format which can be used by import. - QOlmExpected exportSession(uint32_t messageIndex); - //! Get the first message index we know how to decrypt. - uint32_t firstKnownIndex() const; - //! Get a base64-encoded identifier for this session. - QByteArray sessionId() const; - bool isVerified() const; - - //! The olm session that this session was received from. - //! Required to get the device this session is from. - QByteArray olmSessionId() const; - void setOlmSessionId(const QByteArray& newOlmSessionId); - - //! The sender of this session. - QString senderId() const; - void setSenderId(const QString& senderId); - - OlmErrorCode lastErrorCode() const; - const char* lastError() const; - -private: - QOlmInboundGroupSession(); - CStructPtr m_groupSession; - QByteArray m_olmSessionId; - QString m_senderId; - OlmInboundGroupSession* olmData = m_groupSession.get(); -}; - -using QOlmInboundGroupSessionPtr = std::unique_ptr; -} // namespace Quotient diff --git a/Quotient/e2ee/qolmmessage.cpp b/Quotient/e2ee/qolmmessage.cpp deleted file mode 100644 index 9618626a7..000000000 --- a/Quotient/e2ee/qolmmessage.cpp +++ /dev/null @@ -1,31 +0,0 @@ -// SPDX-FileCopyrightText: 2021 Alexey Andreyev -// -// SPDX-License-Identifier: LGPL-2.1-or-later - -#include "qolmmessage.h" - -#include - -using namespace Quotient; - -QOlmMessage::QOlmMessage(QByteArray ciphertext, QOlmMessage::Type type) - : QByteArray(std::move(ciphertext)) - , m_messageType(type) -{ - Q_ASSERT_X(!isEmpty(), "olm message", "Ciphertext is empty"); -} - -QOlmMessage::Type QOlmMessage::type() const -{ - return m_messageType; -} - -QByteArray QOlmMessage::toCiphertext() const -{ - return SLICE(*this, QByteArray); -} - -QOlmMessage QOlmMessage::fromCiphertext(const QByteArray &ciphertext) -{ - return QOlmMessage(ciphertext, QOlmMessage::General); -} diff --git a/Quotient/e2ee/qolmmessage.h b/Quotient/e2ee/qolmmessage.h deleted file mode 100644 index d2640b93d..000000000 --- a/Quotient/e2ee/qolmmessage.h +++ /dev/null @@ -1,42 +0,0 @@ -// SPDX-FileCopyrightText: 2021 Alexey Andreyev -// -// SPDX-License-Identifier: LGPL-2.1-or-later - -#pragma once - -#include - -#include -#include -#include - -namespace Quotient { - -/*! \brief A wrapper around an olm encrypted message - * - * This class encapsulates a Matrix olm encrypted message, - * passed in either of 2 forms: a general message or a pre-key message. - * - * The class provides functions to get a type and the ciphertext. - */ -class QUOTIENT_API QOlmMessage : public QByteArray { - Q_GADGET -public: - enum Type { - PreKey = OLM_MESSAGE_TYPE_PRE_KEY, - General = OLM_MESSAGE_TYPE_MESSAGE, - }; - Q_ENUM(Type) - - explicit QOlmMessage(QByteArray ciphertext, Type type = General); - - static QOlmMessage fromCiphertext(const QByteArray &ciphertext); - - Q_INVOKABLE Type type() const; - Q_INVOKABLE QByteArray toCiphertext() const; - -private: - Type m_messageType = General; -}; - -} //namespace Quotient diff --git a/Quotient/e2ee/qolmoutboundsession.cpp b/Quotient/e2ee/qolmoutboundsession.cpp deleted file mode 100644 index 8d8320c22..000000000 --- a/Quotient/e2ee/qolmoutboundsession.cpp +++ /dev/null @@ -1,125 +0,0 @@ -// SPDX-FileCopyrightText: 2021 Carl Schwan -// -// SPDX-License-Identifier: LGPL-2.1-or-later - -#include "qolmoutboundsession.h" - -#include "../logging_categories_p.h" - -#include - -using namespace Quotient; - -OlmErrorCode QOlmOutboundGroupSession::lastErrorCode() const { - return olm_outbound_group_session_last_error_code(olmData); -} - -const char* QOlmOutboundGroupSession::lastError() const -{ - return olm_outbound_group_session_last_error(olmData); -} - -QOlmOutboundGroupSession::QOlmOutboundGroupSession() - : m_groupSession(makeCStruct(olm_outbound_group_session, - olm_outbound_group_session_size, - olm_clear_outbound_group_session)) -{ - if (const auto randomLength = - olm_init_outbound_group_session_random_length(olmData); - olm_init_outbound_group_session(olmData, getRandom(randomLength).data(), - randomLength) - == olm_error()) { - QOLM_INTERNAL_ERROR("Failed to initialise an outbound group session"); - } -} - -QByteArray QOlmOutboundGroupSession::pickle(const PicklingKey& key) const -{ - const auto pickleLength = - olm_pickle_outbound_group_session_length(olmData); - auto pickledBuf = byteArrayForOlm(pickleLength); - if (olm_pickle_outbound_group_session(olmData, key.data(), key.size(), - pickledBuf.data(), pickleLength) - == olm_error()) - QOLM_INTERNAL_ERROR("Failed to pickle the outbound group session"); - - return pickledBuf; -} - -QOlmExpected QOlmOutboundGroupSession::unpickle( - QByteArray&& pickled, const PicklingKey& key) -{ - QOlmOutboundGroupSession groupSession{}; - if (olm_unpickle_outbound_group_session(groupSession.olmData, key.data(), - key.size(), pickled.data(), - unsignedSize(pickled)) - == olm_error()) { - qWarning(E2EE) << "Failed to unpickle an outbound group session:" - << groupSession.lastError(); - return groupSession.lastErrorCode(); - } - - return groupSession; -} - -QByteArray QOlmOutboundGroupSession::encrypt(const QByteArray& plaintext) const -{ - const auto messageMaxLength = - olm_group_encrypt_message_length(olmData, unsignedSize(plaintext)); - auto messageBuf = byteArrayForOlm(messageMaxLength); - if (olm_group_encrypt(olmData, std::bit_cast(plaintext.data()), - unsignedSize(plaintext), std::bit_cast(messageBuf.data()), - messageMaxLength) - == olm_error()) - QOLM_INTERNAL_ERROR("Failed to encrypt a message"); - - return messageBuf; -} - -uint32_t QOlmOutboundGroupSession::sessionMessageIndex() const -{ - return olm_outbound_group_session_message_index(olmData); -} - -QByteArray QOlmOutboundGroupSession::sessionId() const -{ - const auto idMaxLength = olm_outbound_group_session_id_length(olmData); - auto idBuffer = byteArrayForOlm(idMaxLength); - if (olm_outbound_group_session_id(olmData, std::bit_cast(idBuffer.data()), idMaxLength) - == olm_error()) - QOLM_INTERNAL_ERROR("Failed to obtain group session id"); - - return idBuffer; -} - -QByteArray QOlmOutboundGroupSession::sessionKey() const -{ - const auto keyMaxLength = olm_outbound_group_session_key_length(olmData); - auto keyBuffer = byteArrayForOlm(keyMaxLength); - if (olm_outbound_group_session_key(olmData, std::bit_cast(keyBuffer.data()), - keyMaxLength) - == olm_error()) - QOLM_INTERNAL_ERROR("Failed to obtain group session key"); - - return keyBuffer; -} - -int QOlmOutboundGroupSession::messageCount() const -{ - return m_messageCount; -} - -void QOlmOutboundGroupSession::setMessageCount(int messageCount) -{ - m_messageCount = messageCount; -} - -QDateTime QOlmOutboundGroupSession::creationTime() const -{ - return m_creationTime; -} - -void QOlmOutboundGroupSession::setCreationTime(const QDateTime& creationTime) -{ - m_creationTime = creationTime; -} diff --git a/Quotient/e2ee/qolmoutboundsession.h b/Quotient/e2ee/qolmoutboundsession.h deleted file mode 100644 index 807671521..000000000 --- a/Quotient/e2ee/qolmoutboundsession.h +++ /dev/null @@ -1,60 +0,0 @@ -// SPDX-FileCopyrightText: 2021 Carl Schwan -// -// SPDX-License-Identifier: LGPL-2.1-or-later - -#pragma once - -#include - -struct OlmOutboundGroupSession; - -namespace Quotient { - -//! An out-bound group session is responsible for encrypting outgoing -//! communication in a Megolm session. -class QUOTIENT_API QOlmOutboundGroupSession -{ -public: - QOlmOutboundGroupSession(); - - //! Serialises a `QOlmOutboundGroupSession` to encrypted Base64. - QByteArray pickle(const PicklingKey &key) const; - //! Deserialises from encrypted Base64 that was previously obtained by - //! pickling a `QOlmOutboundGroupSession`. - static QOlmExpected unpickle(QByteArray&& pickled, const PicklingKey& key); - - //! Encrypts a plaintext message using the session. - QByteArray encrypt(const QByteArray& plaintext) const; - - //! Get the current message index for this session. - //! - //! Each message is sent with an increasing index; this returns the - //! index for the next message. - uint32_t sessionMessageIndex() const; - - //! Get a base64-encoded identifier for this session. - QByteArray sessionId() const; - - //! Get the base64-encoded current ratchet key for this session. - //! - //! Each message is sent with a different ratchet key. This function returns the - //! ratchet key that will be used for the next message. - QByteArray sessionKey() const; - - int messageCount() const; - void setMessageCount(int messageCount); - - QDateTime creationTime() const; - void setCreationTime(const QDateTime& creationTime); - - OlmErrorCode lastErrorCode() const; - const char* lastError() const; - -private: - CStructPtr m_groupSession; - int m_messageCount = 0; - QDateTime m_creationTime = QDateTime::currentDateTime(); - OlmOutboundGroupSession* olmData = m_groupSession.get(); -}; - -} // namespace Quotient diff --git a/Quotient/e2ee/qolmsession.cpp b/Quotient/e2ee/qolmsession.cpp deleted file mode 100644 index 85a79cd0d..000000000 --- a/Quotient/e2ee/qolmsession.cpp +++ /dev/null @@ -1,146 +0,0 @@ -// SPDX-FileCopyrightText: 2021 Alexey Andreyev -// -// SPDX-License-Identifier: LGPL-2.1-or-later - -#include "qolmsession.h" - -#include "../logging_categories_p.h" - -#include - -using namespace Quotient; - -OlmErrorCode QOlmSession::lastErrorCode() const { - return olm_session_last_error_code(olmData); -} - -const char* QOlmSession::lastError() const -{ - return olm_session_last_error(olmData); -} - -QByteArray QOlmSession::pickle(const PicklingKey &key) const -{ - const auto pickleLength = olm_pickle_session_length(olmData); - auto pickledBuf = byteArrayForOlm(pickleLength); - if (olm_pickle_session(olmData, key.data(), key.size(), - pickledBuf.data(), unsignedSize(pickledBuf)) - == olm_error()) - QOLM_INTERNAL_ERROR("Failed to pickle an Olm session"); - - return pickledBuf; -} - -QOlmExpected QOlmSession::unpickle(QByteArray&& pickled, - const PicklingKey &key) -{ - QOlmSession olmSession{}; - if (olm_unpickle_session(olmSession.olmData, key.data(), key.size(), - pickled.data(), unsignedSize(pickled)) - == olm_error()) { - const auto errorCode = olmSession.lastErrorCode(); - QOLM_FAIL_OR_LOG_X(errorCode == OLM_OUTPUT_BUFFER_TOO_SMALL, - "Failed to unpickle an Olm session"_L1, - olmSession.lastError()); - return errorCode; - } - - return olmSession; -} - -QOlmMessage QOlmSession::encrypt(const QByteArray& plaintext) const -{ - const auto messageMaxLength = - olm_encrypt_message_length(olmData, unsignedSize(plaintext)); - auto messageBuf = byteArrayForOlm(messageMaxLength); - // NB: The type has to be calculated before calling olm_encrypt() - const auto messageType = olm_encrypt_message_type(olmData); - if (const auto randomLength = olm_encrypt_random_length(olmData); - olm_encrypt(olmData, plaintext.data(), unsignedSize(plaintext), - getRandom(randomLength).data(), randomLength, - messageBuf.data(), messageMaxLength) - == olm_error()) { - QOLM_INTERNAL_ERROR("Failed to encrypt the message"); - } - - return QOlmMessage(messageBuf, QOlmMessage::Type(messageType)); -} - -QOlmExpected QOlmSession::decrypt(const QOlmMessage& message) const -{ - const auto ciphertext = message.toCiphertext(); - const auto messageTypeValue = message.type(); - - // We need to clone the message because - // olm_decrypt_max_plaintext_length destroys the input buffer - const auto plaintextMaxLen = - olm_decrypt_max_plaintext_length(olmData, messageTypeValue, - QByteArray(ciphertext).data(), - unsignedSize(ciphertext)); - if (plaintextMaxLen == olm_error()) { - qWarning(E2EE) << "Couldn't calculate decrypted message length:" - << lastError(); - return lastErrorCode(); - } - - auto plaintextBuf = byteArrayForOlm(plaintextMaxLen); - const auto actualLength = olm_decrypt(olmData, messageTypeValue, - QByteArray(ciphertext).data(), - unsignedSize(ciphertext), - plaintextBuf.data(), plaintextMaxLen); - if (actualLength == olm_error()) { - QOLM_FAIL_OR_LOG(OLM_OUTPUT_BUFFER_TOO_SMALL, "Failed to decrypt the message"_L1); - return lastErrorCode(); - } - // actualLength cannot be more than plainTextLength because the resulting - // text would overflow the allocated memory; but it can be less, in theory - plaintextBuf.truncate(static_cast(actualLength)); - return plaintextBuf; -} - -QByteArray QOlmSession::sessionId() const -{ - const auto idMaxLength = olm_session_id_length(olmData); - auto idBuffer = byteArrayForOlm(idMaxLength); - if (olm_session_id(olmData, idBuffer.data(), idMaxLength) == olm_error()) - QOLM_INTERNAL_ERROR("Failed to obtain Olm session id"); - - return idBuffer; -} - -bool QOlmSession::hasReceivedMessage() const -{ - return olm_session_has_received_message(olmData) != 0; -} - -bool QOlmSession::matchesInboundSession(const QOlmMessage& preKeyMessage) const -{ - Q_ASSERT(preKeyMessage.type() == QOlmMessage::Type::PreKey); - QByteArray oneTimeKeyBuf(preKeyMessage.data()); - const auto maybeMatches = - olm_matches_inbound_session(olmData, oneTimeKeyBuf.data(), - unsignedSize(oneTimeKeyBuf)); - if (maybeMatches == olm_error()) - qWarning(E2EE) << "Error matching an inbound session:" << lastError(); - - return maybeMatches == 1; // Any errors are treated as non-match -} - -bool QOlmSession::matchesInboundSessionFrom( - QByteArray theirIdentityKey, const QOlmMessage& preKeyMessage) const -{ - auto oneTimeKeyMessageBuf = preKeyMessage.toCiphertext(); - const auto maybeMatches = olm_matches_inbound_session_from( - olmData, theirIdentityKey.data(), unsignedSize(theirIdentityKey), - oneTimeKeyMessageBuf.data(), unsignedSize(oneTimeKeyMessageBuf)); - - if (maybeMatches == olm_error()) - qCWarning(E2EE) << "Error matching an inbound session:" << lastError(); - - return maybeMatches == 1; -} - -QOlmSession::QOlmSession() - : olmDataHolder( - makeCStruct(olm_session, olm_session_size, olm_clear_session)) -{} diff --git a/Quotient/e2ee/qolmsession.h b/Quotient/e2ee/qolmsession.h deleted file mode 100644 index ccc6be930..000000000 --- a/Quotient/e2ee/qolmsession.h +++ /dev/null @@ -1,63 +0,0 @@ -// SPDX-FileCopyrightText: 2021 Alexey Andreyev -// -// SPDX-License-Identifier: LGPL-2.1-or-later - -#pragma once - -#include -#include - -struct OlmSession; - -namespace Quotient { - -class QOlmAccount; - -//! Either an outbound or inbound session for secure communication. -class QUOTIENT_API QOlmSession -{ -public: - //! Serialises an `QOlmSession` to encrypted Base64. - QByteArray pickle(const PicklingKey& key) const; - - //! Deserialises from encrypted Base64 previously made with pickle() - static QOlmExpected unpickle(QByteArray&& pickled, - const PicklingKey& key); - - //! Encrypts a plaintext message using the session. - QOlmMessage encrypt(const QByteArray& plaintext) const; - - //! Decrypts a message using this session. Decoding is lossy, meaning if - //! the decrypted plaintext contains invalid UTF-8 symbols, they will - //! be returned as `U+FFFD`. - QOlmExpected decrypt(const QOlmMessage &message) const; - - //! Get a base64-encoded identifier for this session. - QByteArray sessionId() const; - - //! Checker for any received messages for this session. - bool hasReceivedMessage() const; - - //! Checks if the 'prekey' message is for this in-bound session. - bool matchesInboundSession(const QOlmMessage& preKeyMessage) const; - - //! Checks if the 'prekey' message is for this in-bound session. - bool matchesInboundSessionFrom(QByteArray theirIdentityKey, - const QOlmMessage& preKeyMessage) const; - - friend bool operator<(const QOlmSession& lhs, const QOlmSession& rhs) - { - return lhs.sessionId() < rhs.sessionId(); - } - - OlmErrorCode lastErrorCode() const; - const char* lastError() const; - -private: - QOlmSession(); - CStructPtr olmDataHolder; - OlmSession* olmData = olmDataHolder.get(); - - friend class QOlmAccount; -}; -} //namespace Quotient diff --git a/Quotient/e2ee/qolmutility.cpp b/Quotient/e2ee/qolmutility.cpp deleted file mode 100644 index a1cb0d066..000000000 --- a/Quotient/e2ee/qolmutility.cpp +++ /dev/null @@ -1,49 +0,0 @@ -// SPDX-FileCopyrightText: 2021 Carl Schwan -// -// SPDX-License-Identifier: LGPL-2.1-or-later - -#include "qolmutility.h" - -#include "e2ee_common.h" - -#include - -using namespace Quotient; - -OlmErrorCode QOlmUtility::lastErrorCode() const { - return olm_utility_last_error_code(olmDataHolder.get()); -} - -const char* QOlmUtility::lastError() const -{ - return olm_utility_last_error(olmDataHolder.get()); -} - -QOlmUtility::QOlmUtility() - : olmDataHolder( - makeCStruct(olm_utility, olm_utility_size, olm_clear_utility)) -{} - -QString QOlmUtility::sha256Bytes(const QByteArray& inputBuf) const -{ - const auto outputLength = olm_sha256_length(olmDataHolder.get()); - auto outputBuf = byteArrayForOlm(outputLength); - olm_sha256(olmDataHolder.get(), inputBuf.data(), unsignedSize(inputBuf), - outputBuf.data(), outputLength); - - return QString::fromUtf8(outputBuf); -} - -QString QOlmUtility::sha256Utf8Msg(const QString& message) const -{ - return sha256Bytes(message.toUtf8()); -} - -bool QOlmUtility::ed25519Verify(const QByteArray& key, const QByteArray& message, - QByteArray signature) const -{ - return olm_ed25519_verify(olmDataHolder.get(), key.data(), unsignedSize(key), - message.data(), unsignedSize(message), - signature.data(), unsignedSize(signature)) - == 0; -} diff --git a/Quotient/e2ee/qolmutility.h b/Quotient/e2ee/qolmutility.h deleted file mode 100644 index 48c59b26c..000000000 --- a/Quotient/e2ee/qolmutility.h +++ /dev/null @@ -1,42 +0,0 @@ -// SPDX-FileCopyrightText: 2021 Carl Schwan -// -// SPDX-License-Identifier: LGPL-2.1-or-later - -#pragma once - -#include - -#include - -struct OlmUtility; - -namespace Quotient { - -//! Allows you to make use of crytographic hashing via SHA-2 and -//! verifying ed25519 signatures. -class QUOTIENT_API QOlmUtility -{ -public: - QOlmUtility(); - - //! Returns a sha256 of the supplied byte slice. - QString sha256Bytes(const QByteArray& inputBuf) const; - - //! Convenience function that converts the UTF-8 message - //! to bytes and then calls `sha256Bytes()`, returning its output. - QString sha256Utf8Msg(const QString& message) const; - - //! Verify a ed25519 signature. - //! \param key QByteArray The public part of the ed25519 key that signed the message. - //! \param message QByteArray The message that was signed. - //! \param signature QByteArray The signature of the message. - bool ed25519Verify(const QByteArray& key, const QByteArray& message, - QByteArray signature) const; - - OlmErrorCode lastErrorCode() const; - const char* lastError() const; - -private: - CStructPtr olmDataHolder; -}; -} // namespace Quotient diff --git a/Quotient/e2ee/sssshandler.cpp b/Quotient/e2ee/sssshandler.cpp deleted file mode 100644 index 83417cb52..000000000 --- a/Quotient/e2ee/sssshandler.cpp +++ /dev/null @@ -1,294 +0,0 @@ -// SPDX-FileCopyrightText: 2023 Tobias Fella -// SPDX-License-Identifier: LGPL-2.0-or-later - -#include "sssshandler.h" - -#include "qolmaccount.h" - -#include "../csapi/key_backup.h" - -#include "../events/event.h" - -#include "../database.h" -#include "../logging_categories_p.h" -#include "../room.h" - -using namespace Quotient; - -namespace { -constexpr inline auto MegolmBackupKey = "m.megolm_backup.v1"_L1; -constexpr inline auto CrossSigningMasterKey = "m.cross_signing.master"_L1; -constexpr inline auto CrossSigningSelfSigningKey = "m.cross_signing.self_signing"_L1; -constexpr inline auto CrossSigningUserSigningKey = "m.cross_signing.user_signing"_L1; -} - -QByteArray SSSSHandler::decryptKey(event_type_t keyType, const QString& defaultKey, - key_view_t decryptionKey) -{ - Q_ASSERT(m_connection); - const auto& encryptedKeyObject = m_connection->accountData(keyType); - if (!encryptedKeyObject) { - qWarning() << "No account data for key" << keyType; - emit error(NoKeyError); - return {}; - } - const auto& encrypted = - encryptedKeyObject->contentPart("encrypted"_L1).value(defaultKey).toObject(); - - auto hkdfResult = hkdfSha256(decryptionKey, zeroes<32>(), asCBytes<>(keyType)); - if (!hkdfResult.has_value()) { - qCWarning(E2EE) << "Failed to calculate HKDF for" << keyType; - emit error(DecryptionError); - } - const auto& keys = hkdfResult.value(); - - auto rawCipher = QByteArray::fromBase64(encrypted["ciphertext"_L1].toString().toLatin1()); - auto result = hmacSha256(keys.mac(), rawCipher); - if (!result.has_value()) { - qCWarning(E2EE) << "Failed to calculate HMAC for" << keyType; - emit error(DecryptionError); - } - if (QString::fromLatin1(result.value().toBase64()) != encrypted["mac"_L1].toString()) { - qCWarning(E2EE) << "MAC mismatch for" << keyType; - emit error(DecryptionError); - return {}; - } - auto decryptResult = - aesCtr256Decrypt(rawCipher, keys.aes(), - asCBytes(QByteArray::fromBase64( - encrypted["iv"_L1].toString().toLatin1()))); - if (!decryptResult.has_value()) { - qCWarning(E2EE) << "Failed to decrypt for" << keyType; - emit error(DecryptionError); - } - auto key = QByteArray::fromBase64(decryptResult.value()); - m_connection->database()->storeEncrypted(keyType, key); - return key; -} - -class AesHmacSha2KeyDescription : public Event { -public: - // No QUO_EVENT because the account data "type id" is variable - QUO_CONTENT_GETTER(QString, algorithm) - QUO_CONTENT_GETTER(QJsonObject, passphrase) - QUO_CONTENT_GETTER(QString, iv) - QUO_CONTENT_GETTER(QString, mac) -}; - -struct SSSSHandler::UnlockData { - static Expected prepare(const Connection* c) - { - Q_ASSERT(c); - - const auto& defaultKeyEvent = c->accountData("m.secret_storage.default_key"_L1); - if (!defaultKeyEvent) { - qCWarning(E2EE) << "SSSS: No default secret storage key"; - return NoKeyError; - } - auto defaultKey = defaultKeyEvent->contentPart("key"_L1); - const auto keyName = "m.secret_storage.key."_L1 + defaultKey; - auto* const keyDescription = c->accountData(keyName); - if (!keyDescription) { - qCWarning(E2EE) << "SSSS: No account data for key" << keyName; - return NoKeyError; - } - - if (keyDescription->algorithm() != "m.secret_storage.v1.aes-hmac-sha2"_L1) { - qCWarning(E2EE) << "Unsupported SSSS key algorithm" << keyDescription->algorithm() - << " - aborting."; - return UnsupportedAlgorithmError; - } - auto iv = QByteArray::fromBase64Encoding(keyDescription->iv().toLatin1()); - if (!iv || iv.decoded.isEmpty() || iv.decoded.size() != AesBlockSize) { - qCWarning(E2EE) << "SSSS: Malformed or empty IV"; - return DecryptionError; - } - auto&& mac = QByteArray::fromBase64Encoding(keyDescription->mac().toLatin1()); - if (!mac || mac.decoded.isEmpty()) { - qCWarning(E2EE) << "SSSS: Failed to decode expected MAC or it is empty"; - return DecryptionError; - } - return UnlockData{ std::move(defaultKey), keyDescription->passphrase(), std::move(*iv), - std::move(*mac) }; - } - - QString defaultKey; - QJsonObject passphraseInfo; - QByteArray decodedIV; - QByteArray decodedMac; -}; - -void SSSSHandler::unlockSSSSWithPassphrase(const QString& passphrase) -{ - const auto unlockData = UnlockData::prepare(m_connection); - if (!unlockData) { - emit error(unlockData.error()); - return; - } - if (unlockData->passphraseInfo["algorithm"_L1].toString() != "m.pbkdf2"_L1) { - qCWarning(E2EE) << "Unsupported SSSS passphrase algorithm" - << unlockData->passphraseInfo["algorithm"_L1].toString() << " - aborting."; - emit error(UnsupportedAlgorithmError); - return; - } - if (const auto& result = - pbkdf2HmacSha512(viewAsByteArray(passphrase.toUtf8()), - unlockData->passphraseInfo["salt"_L1].toString().toLatin1(), - unlockData->passphraseInfo["iterations"_L1].toInt())) { - unlockAndLoad(*unlockData, *result); - return; - } - qCWarning(E2EE) << "Failed to calculate PBKDF"; - emit error(DecryptionError); - return; -} - -void SSSSHandler::unlockSSSSFromCrossSigning() -{ - Q_ASSERT(m_connection); - m_connection->requestKeyFromDevices(MegolmBackupKey).then([this](const QByteArray& key) { - loadMegolmBackup(key); - }); - for (auto k : {CrossSigningUserSigningKey, CrossSigningSelfSigningKey, CrossSigningMasterKey}) - m_connection->requestKeyFromDevices(k); -} - -Connection* SSSSHandler::connection() const -{ - return m_connection; -} - -void SSSSHandler::setConnection(Connection* connection) -{ - if (connection == m_connection) { - return; - } - m_connection = connection; - emit connectionChanged(); -} - -void SSSSHandler::loadMegolmBackup(const QByteArray& megolmDecryptionKey) -{ - auto job = m_connection->callApi(); - connect(job, &BaseJob::finished, this, [this, job, megolmDecryptionKey] { - m_connection->database()->storeEncrypted("etag"_L1, job->etag().toLatin1()); - auto authData = job->authData(); - const auto& userSignaturesObject = - authData["signatures"_L1].toObject().value(m_connection->userId()).toObject(); - for (auto it = userSignaturesObject.constBegin(); it != userSignaturesObject.constEnd(); - ++it) { - const auto& edKey = - m_connection->database()->edKeyForKeyId(m_connection->userId(), it.key()); - if (edKey.isEmpty()) { - continue; - } - const auto& signature = it.value().toString(); - if (!ed25519VerifySignature(edKey, authData, signature)) { - qCWarning(E2EE) << "Signature mismatch for" << edKey; - emit error(InvalidSignatureError); - return; - } - } - qCDebug(E2EE) << "Loading key backup" << job->version(); - auto keysJob = m_connection->callApi(job->version()); - connect(keysJob, &BaseJob::finished, this, [this, keysJob, megolmDecryptionKey](){ - const auto &rooms = keysJob->rooms(); - qCDebug(E2EE) << rooms.size() << "rooms in the backup"; - for (const auto& [roomId, roomKeyBackup] : rooms.asKeyValueRange()) { - if (!m_connection->room(roomId)) - continue; - - for (const auto& [sessionId, backupData] : - roomKeyBackup.sessions.asKeyValueRange()) { - const auto& sessionData = backupData.sessionData; - const auto result = - curve25519AesSha2Decrypt(sessionData["ciphertext"_L1].toString().toLatin1(), - megolmDecryptionKey, - sessionData["ephemeral"_L1].toString().toLatin1(), - sessionData["mac"_L1].toString().toLatin1()); - if (!result.has_value()) { - qCWarning(E2EE) << "Failed to decrypt session" << sessionId; - emit error(DecryptionError); - continue; - } - const auto data = QJsonDocument::fromJson(result.value()).object(); - m_connection->room(roomId)->addMegolmSessionFromBackup( - sessionId.toLatin1(), data["session_key"_L1].toString().toLatin1(), - static_cast(backupData.firstMessageIndex), data["sender_key"_L1].toVariant().toByteArray(), data["sender_claimed_keys"_L1]["ed25519"_L1].toVariant().toByteArray()); - } - } - emit finished(); - }); - }); -} - -void SSSSHandler::unlockAndLoad(const UnlockData& unlockData, key_view_t decryptingKey) -{ - const auto& testKeys = hkdfSha256(decryptingKey, zeroes<32>(), {}); - if (!testKeys.has_value()) { - qCWarning(E2EE) << "SSSS: Failed to calculate HKDF"; - emit error(DecryptionError); - return; - } - const auto& encrypted = aesCtr256Encrypt(zeroedByteArray(), testKeys.value().aes(), - asCBytes(unlockData.decodedIV)); - if (!encrypted.has_value()) { - qCWarning(E2EE) << "SSSS: Failed to encrypt test keys"; - emit error(DecryptionError); - return; - } - const auto &result = hmacSha256(testKeys.value().mac(), encrypted.value()); - if (!result.has_value()) { - qCWarning(E2EE) << "SSSS: Failed to calculate HMAC"; - emit error(DecryptionError); - return; - } - if (result.value() != unlockData.decodedMac) { - qCWarning(E2EE) << "SSSS: MAC mismatch for secret storage test key"; - emit error(WrongKeyError); - return; - } - - emit keyBackupUnlocked(); - - auto megolmDecryptionKey = decryptKey(MegolmBackupKey, unlockData.defaultKey, decryptingKey); - if (megolmDecryptionKey.isEmpty()) { - qCWarning(E2EE) << "SSSS: No megolm decryption key"; - emit error(NoKeyError); - return; - } - loadMegolmBackup(megolmDecryptionKey); - - // These keys are only decrypted since this will automatically store them locally - decryptKey(CrossSigningSelfSigningKey, unlockData.defaultKey, decryptingKey); - decryptKey(CrossSigningUserSigningKey, unlockData.defaultKey, decryptingKey); - decryptKey(CrossSigningMasterKey, unlockData.defaultKey, decryptingKey); -} - -void SSSSHandler::unlockSSSSFromSecurityKey(const QString& encodedKey) -{ - auto securityKey = encodedKey; - securityKey.remove(u' '); - auto&& decoded = base58Decode(securityKey.toLatin1()); - if (decoded.size() != DefaultPbkdf2KeyLength + 3) { - qCWarning(E2EE) << "SSSS: Incorrect decryption key length"; - emit error(WrongKeyError); - return; - } - if (decoded.front() != 0x8B || decoded[1] != 0x01) { - qCWarning(E2EE) << "SSSS: invalid prefix in the decryption key"; - emit error(WrongKeyError); - return; - } - if (std::accumulate(decoded.cbegin(), decoded.cend(), uint8_t{ 0 }, std::bit_xor<>()) != 0) { - qCWarning(E2EE) << "SSSS: invalid parity byte in the decryption key"; - emit error(WrongKeyError); - return; - } - const auto unlockData = UnlockData::prepare(m_connection); - if (!unlockData) { - emit error(unlockData.error()); - return; - } - unlockAndLoad(*unlockData, byte_view_t<>(decoded).subspan<2, DefaultPbkdf2KeyLength>()); -} diff --git a/Quotient/e2ee/sssshandler.h b/Quotient/e2ee/sssshandler.h deleted file mode 100644 index 0d32d1d67..000000000 --- a/Quotient/e2ee/sssshandler.h +++ /dev/null @@ -1,62 +0,0 @@ -// SPDX-FileCopyrightText: 2023 Tobias Fella -// SPDX-License-Identifier: LGPL-2.0-or-later - -#pragma once - -#include "cryptoutils.h" - -#include "../connection.h" - -#include -#include - -namespace Quotient { -class QUOTIENT_API SSSSHandler : public QObject -{ - Q_OBJECT - Q_PROPERTY(Quotient::Connection* connection READ connection WRITE setConnection NOTIFY connectionChanged) - -public: - enum Error - { - WrongKeyError, - NoKeyError, - DecryptionError, - InvalidSignatureError, - UnsupportedAlgorithmError, - }; - Q_ENUM(Error) - - using QObject::QObject; - - //! \brief Unlock the secret backup from the given passprhase - Q_INVOKABLE void unlockSSSSWithPassphrase(const QString& passphrase); - - //! \brief Unlock the secret backup by requesting the decryption keys from other devices - Q_INVOKABLE void unlockSSSSFromCrossSigning(); - - //! \brief Unlock the secret backup from the given security key - Q_INVOKABLE void unlockSSSSFromSecurityKey(const QString& encodedKey); - - Connection* connection() const; - void setConnection(Connection* connection); - -Q_SIGNALS: - void keyBackupUnlocked(); - void error(Error error); - void connectionChanged(); - - //! \brief Emitted after keys are loaded - void finished(); - -private: - QPointer m_connection; - - //! \brief Decrypt the key with this name from the account data - QByteArray decryptKey(event_type_t keyType, const QString& defaultKey, key_view_t decryptionKey); - - void loadMegolmBackup(const QByteArray& megolmDecryptionKey); - struct UnlockData; - void unlockAndLoad(const UnlockData& unlockData, key_view_t decryptingKey); -}; -} // namespace Quotient diff --git a/Quotient/events/filesourceinfo.cpp b/Quotient/events/filesourceinfo.cpp index 205a8a54e..351331231 100644 --- a/Quotient/events/filesourceinfo.cpp +++ b/Quotient/events/filesourceinfo.cpp @@ -4,7 +4,6 @@ #include "filesourceinfo.h" -#include "../e2ee/cryptoutils.h" #include "../e2ee/e2ee_common.h" #include "../logging_categories_p.h" #include "../util.h" @@ -24,44 +23,46 @@ QByteArray Quotient::decryptFile(const QByteArray& ciphertext, } const auto key = QByteArray::fromBase64(metadata.key.k.toLatin1(), QByteArray::Base64UrlEncoding); - if (key.size() < Aes256KeySize) { - qCWarning(E2EE) << "Decoded key is too short for AES, need" - << Aes256KeySize << "bytes, got" << key.size(); - return {}; - } - const auto iv = QByteArray::fromBase64(metadata.iv.toLatin1()); - if (iv.size() < AesBlockSize) { - qCWarning(E2EE) << "Decoded iv is too short for AES, need" - << AesBlockSize << "bytes, got" << iv.size(); - return {}; - } - - return aesCtr256Decrypt(ciphertext, asCBytes<32>(key), asCBytes<16>(iv)) - .move_value_or({}); + // if (key.size() < Aes256KeySize) { + // qCWarning(E2EE) << "Decoded key is too short for AES, need" + // << Aes256KeySize << "bytes, got" << key.size(); + // return {}; + // } + // const auto iv = QByteArray::fromBase64(metadata.iv.toLatin1()); + // if (iv.size() < AesBlockSize) { + // qCWarning(E2EE) << "Decoded iv is too short for AES, need" + // << AesBlockSize << "bytes, got" << iv.size(); + // return {}; + // } + // + // return aesCtr256Decrypt(ciphertext, asCBytes<32>(key), asCBytes<16>(iv)) + // .move_value_or({}); + return {}; } std::pair Quotient::encryptFile( const QByteArray& plainText) { - auto k = getRandom(); - auto kBase64 = k.toBase64(QByteArray::Base64UrlEncoding - | QByteArray::OmitTrailingEquals); - auto iv = getRandom(); - const JWK key = { - "oct"_L1, { "encrypt"_L1, "decrypt"_L1 }, "A256CTR"_L1, QString::fromLatin1(kBase64), true - }; - auto result = aesCtr256Encrypt(plainText, k, iv); - if (!result.has_value()) - return {}; - - auto hash = QCryptographicHash::hash(result.value(), QCryptographicHash::Sha256) - .toBase64(QByteArray::OmitTrailingEquals); - auto ivBase64 = iv.toBase64(QByteArray::OmitTrailingEquals); - const EncryptedFileMetadata efm = { - {}, key, QString::fromLatin1(ivBase64), - { { "sha256"_L1, QString::fromLatin1(hash) } }, "v2"_L1 - }; - return { efm, result.value() }; + // auto k = getRandom(); + // auto kBase64 = k.toBase64(QByteArray::Base64UrlEncoding + // | QByteArray::OmitTrailingEquals); + // auto iv = getRandom(); + // const JWK key = { + // "oct"_L1, { "encrypt"_L1, "decrypt"_L1 }, "A256CTR"_L1, QString::fromLatin1(kBase64), true + // }; + // auto result = aesCtr256Encrypt(plainText, k, iv); + // if (!result.has_value()) + // return {}; + // + // auto hash = QCryptographicHash::hash(result.value(), QCryptographicHash::Sha256) + // .toBase64(QByteArray::OmitTrailingEquals); + // auto ivBase64 = iv.toBase64(QByteArray::OmitTrailingEquals); + // const EncryptedFileMetadata efm = { + // {}, key, QString::fromLatin1(ivBase64), + // { { "sha256"_L1, QString::fromLatin1(hash) } }, "v2"_L1 + // }; + // return { efm, result.value() }; + return {}; } void JsonObjectConverter::dumpTo( diff --git a/Quotient/keyimport.cpp b/Quotient/keyimport.cpp index e13a30c18..2ea7aada9 100644 --- a/Quotient/keyimport.cpp +++ b/Quotient/keyimport.cpp @@ -8,7 +8,6 @@ #include #include -#include "e2ee/cryptoutils.h" #include "connection.h" #include "room.h" @@ -17,14 +16,14 @@ using namespace Quotient; using namespace Qt::Literals::StringLiterals; -const auto VersionLength = 1; -const auto SaltOffset = VersionLength; -const auto IvOffset = SaltOffset + AesBlockSize; -const auto RoundsOffset = IvOffset + AesBlockSize; -const auto RoundsLength = 4; -const auto PayloadOffset = RoundsOffset + RoundsLength; -const auto MacLength = 32; -const auto HeaderLength = VersionLength + AesBlockSize + AesBlockSize + RoundsLength + MacLength; +// const auto VersionLength = 1; +// const auto SaltOffset = VersionLength; +// const auto IvOffset = SaltOffset + AesBlockSize; +// const auto RoundsOffset = IvOffset + AesBlockSize; +// const auto RoundsLength = 4; +// const auto PayloadOffset = RoundsOffset + RoundsLength; +// const auto MacLength = 32; +// const auto HeaderLength = VersionLength + AesBlockSize + AesBlockSize + RoundsLength + MacLength; Expected KeyImport::decrypt(QString data, const QString& passphrase) { @@ -37,40 +36,41 @@ Expected KeyImport::decrypt(QString data, const QS return InvalidData; } - if (decoded.size() < HeaderLength) { - qCWarning(E2EE) << "Data not long enough"; - return InvalidData; - } - + // if (decoded.size() < HeaderLength) { + // qCWarning(E2EE) << "Data not long enough"; + // return InvalidData; + // } +/* const auto salt = decoded.mid(SaltOffset, AesBlockSize); const auto iv = decoded.mid(IvOffset, AesBlockSize); const auto rounds = qFromBigEndian(decoded.mid(RoundsOffset, RoundsLength).data()); const auto payload = decoded.mid(PayloadOffset, decoded.size() - HeaderLength); - const auto expectedMac = decoded.right(MacLength); - - auto keys = pbkdf2HmacSha512<64>(passphrase.toLatin1(), salt, rounds); - if (!keys.has_value()) { - qCWarning(E2EE) << "Failed to calculate pbkdf:" << keys.error(); - return OtherError; - } - - auto actualMac = hmacSha256(key_view_t(keys.value().begin() + 32, 32), decoded.left(decoded.size() - MacLength)); - if (!actualMac.has_value()) { - qCWarning(E2EE) << "Failed to calculate hmac:" << actualMac.error(); - return OtherError; - } - + const auto expectedMac = decoded.right(MacLength);*/ + + // auto keys = pbkdf2HmacSha512<64>(passphrase.toLatin1(), salt, rounds); + // if (!keys.has_value()) { + // qCWarning(E2EE) << "Failed to calculate pbkdf:" << keys.error(); + // return OtherError; + // } + // + // auto actualMac = hmacSha256(key_view_t(keys.value().begin() + 32, 32), decoded.left(decoded.size() - MacLength)); + // if (!actualMac.has_value()) { + // qCWarning(E2EE) << "Failed to calculate hmac:" << actualMac.error(); + // return OtherError; + // } +/* if (actualMac.value() != expectedMac) { qCWarning(E2EE) << "Mac incorrect"; return InvalidPassphrase; - } - + }*/ +/* auto plain = aesCtr256Decrypt(payload, byte_view_t(keys.value().begin(), Aes256KeySize), asCBytes(iv)); if (!plain.has_value()) { qCWarning(E2EE) << "Failed to decrypt data"; return OtherError; } - return QJsonDocument::fromJson(plain.value()).array(); + return QJsonDocument::fromJson(plain.value()).array();*/ + return {}; } KeyImport::Error KeyImport::importKeys(QString data, const QString& passphrase, const Connection* connection) @@ -87,12 +87,12 @@ KeyImport::Error KeyImport::importKeys(QString data, const QString& passphrase, continue; } // We don't know the session index for these sessions here. We just pretend it's 0, it's not terribly important. - room->addMegolmSessionFromBackup( - keyObject["session_id"_L1].toString().toLatin1(), - keyObject["session_key"_L1].toString().toLatin1(), 0, - keyObject[SenderKeyKey].toVariant().toByteArray(), - keyObject["sender_claimed_keys"_L1]["ed25519"_L1].toString().toLatin1() - ); + // room->addMegolmSessionFromBackup( + // keyObject["session_id"_L1].toString().toLatin1(), + // keyObject["session_key"_L1].toString().toLatin1(), 0, + // keyObject[SenderKeyKey].toVariant().toByteArray(), + // keyObject["sender_claimed_keys"_L1]["ed25519"_L1].toString().toLatin1() + // ); } return Success; } @@ -116,41 +116,42 @@ Quotient::Expected KeyImport::encrypt(QJsonArray s { auto plainText = QJsonDocument(sessions).toJson(QJsonDocument::Compact); - auto salt = getRandom(); - auto iv = getRandom(); - quint32 rounds = 200'000; // spec: "N should be at least 100,000"; - - auto keys = pbkdf2HmacSha512<64>(passphrase.toLatin1(), salt.viewAsByteArray(), rounds); - if (!keys.has_value()) { - qCWarning(E2EE) << "Failed to calculate pbkdf:" << keys.error(); - return OtherError; - } - - auto result = aesCtr256Encrypt(plainText, byte_view_t(keys.value().begin(), Aes256KeySize), asCBytes(iv.viewAsByteArray())); - - if (!result.has_value()) { - qCWarning(E2EE) << "Failed to encrypt export" << result.error(); - return OtherError; - } - - QByteArray data; - data.append("\x01"); - data.append(salt.viewAsByteArray()); - data.append(iv.viewAsByteArray()); - QByteArray roundsData(4, u'\x0'); - qToBigEndian(rounds, roundsData.data()); - data.append(roundsData); - data.append(result.value()); - auto mac = hmacSha256(key_view_t(keys.value().begin() + 32, 32), data); - if (!mac.has_value()) { - qCWarning(E2EE) << "Failed to calculate MAC" << mac.error(); - return OtherError; - } - data.append(mac.value()); - - // TODO: use std::ranges::to() once it's available from all stdlibs Quotient builds with - return "-----BEGIN MEGOLM SESSION DATA-----\n"_ba % lineWrapped(data.toBase64(), 96) - % "\n-----END MEGOLM SESSION DATA-----\n"_ba; + // auto salt = getRandom(); + // auto iv = getRandom(); + // quint32 rounds = 200'000; // spec: "N should be at least 100,000"; + // + // auto keys = pbkdf2HmacSha512<64>(passphrase.toLatin1(), salt.viewAsByteArray(), rounds); + // if (!keys.has_value()) { + // qCWarning(E2EE) << "Failed to calculate pbkdf:" << keys.error(); + // return OtherError; + // } + + // auto result = aesCtr256Encrypt(plainText, byte_view_t(keys.value().begin(), Aes256KeySize), asCBytes(iv.viewAsByteArray())); + // + // if (!result.has_value()) { + // qCWarning(E2EE) << "Failed to encrypt export" << result.error(); + // return OtherError; + // } + // + // QByteArray data; + // data.append("\x01"); + // data.append(salt.viewAsByteArray()); + // data.append(iv.viewAsByteArray()); + // QByteArray roundsData(4, u'\x0'); + // qToBigEndian(rounds, roundsData.data()); + // data.append(roundsData); + // data.append(result.value()); + // auto mac = hmacSha256(key_view_t(keys.value().begin() + 32, 32), data); + // if (!mac.has_value()) { + // qCWarning(E2EE) << "Failed to calculate MAC" << mac.error(); + // return OtherError; + // } + // data.append(mac.value()); + // + // // TODO: use std::ranges::to() once it's available from all stdlibs Quotient builds with + // return "-----BEGIN MEGOLM SESSION DATA-----\n"_ba % lineWrapped(data.toBase64(), 96) + // % "\n-----END MEGOLM SESSION DATA-----\n"_ba; + return {}; } diff --git a/Quotient/keyverificationsession.cpp b/Quotient/keyverificationsession.cpp index 7755cc9b4..422970723 100644 --- a/Quotient/keyverificationsession.cpp +++ b/Quotient/keyverificationsession.cpp @@ -4,718 +4,125 @@ #include "keyverificationsession.h" #include "connection.h" -#include "database.h" -#include "logging_categories_p.h" -#include "csapi/cross_signing.h" +#include "connection_p.h" #include "room.h" -#include "e2ee/cryptoutils.h" -#include "e2ee/sssshandler.h" -#include "e2ee/qolmaccount.h" - -#include "events/event.h" - -#include -#include -#include - -#include - -#include - using namespace Quotient; -using namespace std::chrono; - -const QStringList supportedMethods = { SasV1Method }; - -QStringList commonSupportedMethods(const QStringList& remoteMethods) -{ - QStringList result; - for (const auto& method : remoteMethods) { - if (supportedMethods.contains(method)) { - result += method; - } - } - return result; -} - -CStructPtr KeyVerificationSession::makeOlmData() -{ - auto data = makeCStruct(olm_sas, olm_sas_size, olm_clear_sas); - - const auto randomLength = olm_create_sas_random_length(data.get()); - olm_create_sas(data.get(), getRandom(randomLength).data(), randomLength); - return data; -} - -KeyVerificationSession::KeyVerificationSession(QString remoteUserId, - const KeyVerificationRequestEvent& event, - Connection* connection, bool encrypted) - : KeyVerificationSession(std::move(remoteUserId), connection, event.fromDevice(), encrypted, - event.methods(), event.timestamp(), event.transactionId()) -{} - -KeyVerificationSession::KeyVerificationSession(const RoomMessageEvent* event, Room* room) - : KeyVerificationSession(event->senderId(), room->connection(), - event->contentPart("from_device"_L1), room->usesEncryption(), - event->contentPart("methods"_L1), - event->originTimestamp(), {}, room, event->id()) -{} -KeyVerificationSession::KeyVerificationSession(QString remoteUserId, Connection* connection, - QString remoteDeviceId, bool encrypted, - QStringList methods, QDateTime startTimestamp, - QString transactionId, Room* room, - QString requestEventId) +//TODO: separate constructors +KeyVerificationSession::KeyVerificationSession(const QString& remoteUserId, const QString& verificationId, const QString& remoteDeviceId, Connection* connection) : QObject(connection) + , m_remoteUserId(remoteUserId) + , m_verificationId(verificationId) + , m_remoteDeviceId(remoteDeviceId) , m_connection(connection) - , m_room(room) - , m_remoteUserId(std::move(remoteUserId)) - , m_remoteDeviceId(std::move(remoteDeviceId)) - , m_transactionId(std::move(transactionId)) - , m_encrypted(encrypted) - , m_remoteSupportedMethods(std::move(methods)) - , m_requestEventId(std::move(requestEventId)) // TODO: Consider merging with transactionId { - if (m_connection->hasConflictingDeviceIdsAndCrossSigningKeys(m_remoteUserId)) { - qCWarning(E2EE) << "Remote user has conflicting device ids and cross signing keys; refusing to verify."; - return; - } - const auto& currentTime = QDateTime::currentDateTime(); - const auto timeoutTime = - std::min(startTimestamp.addSecs(600), currentTime.addSecs(120)); - const milliseconds timeout{ currentTime.msecsTo(timeoutTime) }; - if (timeout > 5s) { - setupTimeout(timeout); - } else { - // Otherwise don't even bother starting up - deleteLater(); + connect(connection, &Connection::syncDone, this, [this](){ + setState(m_connection->d->keyVerificationSessionState(this)); + }); + if (verificationId.isEmpty()) { + setState(CREATED); + m_connection->d->requestDeviceVerification(this); } } -KeyVerificationSession::KeyVerificationSession(QString userId, QString deviceId, - Connection* connection) - : KeyVerificationSession(std::move(userId), connection, nullptr, std::move(deviceId), - QUuid::createUuid().toString()) -{} - -KeyVerificationSession::KeyVerificationSession(Room* room) - : KeyVerificationSession(room->members()[room->members()[0].isLocalMember() ? 1 : 0].id(), - room->connection(), - room) -{} - -KeyVerificationSession::KeyVerificationSession(QString remoteUserId, Connection* connection, - Room* room, QString remoteDeviceId, - QString transactionId) +KeyVerificationSession::KeyVerificationSession(Room* room, Connection* connection) : QObject(connection) , m_connection(connection) , m_room(room) - , m_remoteUserId(std::move(remoteUserId)) - , m_remoteDeviceId(std::move(remoteDeviceId)) - , m_transactionId(std::move(transactionId)) { - if (m_connection->hasConflictingDeviceIdsAndCrossSigningKeys(m_remoteUserId)) { - qCWarning(E2EE) << "Remote user has conflicting device ids and cross signing keys; refusing to verify."; + const auto& ids = room->memberIds(); + if (ids.size() != 2) { + //TODO: error return; } - setupTimeout(600s); - QMetaObject::invokeMethod(this, &KeyVerificationSession::sendRequest); -} - -void KeyVerificationSession::setupTimeout(milliseconds timeout) -{ - QTimer::singleShot(timeout, this, [this] { cancelVerification(TIMEOUT); }); -} + m_remoteUserId = ids[0] == connection->userId() ? ids[1] : ids[0]; + // TODO m_verificationId(verificationId) -void KeyVerificationSession::handleEvent(const KeyVerificationEvent& baseEvent) -{ - if (!switchOnType( - baseEvent, - [this](const KeyVerificationCancelEvent& event) { - setError(stringToError(event.code())); - setState(CANCELED); - return true; - }, - [this](const KeyVerificationStartEvent& event) { - if (state() != WAITINGFORREADY && state() != READY && state() != WAITINGFORACCEPT) - return false; - handleStart(event); - return true; - }, - [this](const KeyVerificationReadyEvent& event) { - if (state() == WAITINGFORREADY) - handleReady(event); - // ACCEPTED is also fine here because it's possible to receive - // ready and start in the same sync, in which case start might - // be handled before ready. - return state() == READY || state() == WAITINGFORACCEPT || state() == ACCEPTED; - }, - [this](const KeyVerificationAcceptEvent& event) { - if (state() != WAITINGFORACCEPT) - return false; - const auto& theirMac = event.messageAuthenticationCode(); - for (const auto& mac : SupportedMacs) { - if (mac == theirMac) { - m_commonMacCodes.push_back(theirMac); - } - } - if (m_commonMacCodes.isEmpty()) { - cancelVerification(UNKNOWN_METHOD); - return false; - } - m_commitment = event.commitment(); - sendKey(); - setState(WAITINGFORKEY); - return true; - }, - [this](const KeyVerificationKeyEvent& event) { - if (state() != ACCEPTED && state() != WAITINGFORKEY) - return false; - handleKey(event); - return true; - }, - [this](const KeyVerificationMacEvent& event) { - if (state() != WAITINGFORMAC && state() != WAITINGFORVERIFICATION) - return false; - handleMac(event); - return true; - }, - [this](const KeyVerificationDoneEvent&) { return state() == DONE; })) - cancelVerification(UNEXPECTED_MESSAGE); -} - -struct EmojiStoreEntry : EmojiEntry { - QHash translatedDescriptions; - - explicit EmojiStoreEntry(const QJsonObject& json) - : EmojiEntry{ fromJson(json["emoji"_L1]), - fromJson(json["description"_L1]) } - , translatedDescriptions{ fromJson>( - json["translated_descriptions"_L1]) } - {} -}; - -using EmojiStore = QVector; - -EmojiStore loadEmojiStore() -{ - Q_INIT_RESOURCE(libquotientemojis); - QFile dataFile(":/sas-emoji.json"_L1); - dataFile.open(QFile::ReadOnly); - auto data = dataFile.readAll(); - Q_CLEANUP_RESOURCE(libquotientemojis); - return fromJson( - QJsonDocument::fromJson(data).array()); -} - -EmojiEntry emojiForCode(int code, const QString& language) -{ - static const EmojiStore emojiStore = loadEmojiStore(); - const auto& entry = emojiStore[code]; - if (!language.isEmpty()) - if (const auto translatedDescription = - emojiStore[code].translatedDescriptions.value(language); - !translatedDescription.isNull()) - return { entry.emoji, translatedDescription }; - - return SLICE(entry, EmojiEntry); -} - -void KeyVerificationSession::handleKey(const KeyVerificationKeyEvent& event) -{ - auto eventKey = event.key().toLatin1(); - olm_sas_set_their_key(olmData, eventKey.data(), unsignedSize(eventKey)); - - if (startSentByUs) { - const auto paddedCommitment = - QCryptographicHash::hash((event.key() % m_startEvent).toLatin1(), - QCryptographicHash::Sha256) - .toBase64(); - const QLatin1String unpaddedCommitment(paddedCommitment.constData(), - QString::fromLatin1(paddedCommitment).indexOf(u'=')); - if (unpaddedCommitment != m_commitment) { - qCWarning(E2EE) << "Commitment mismatch; aborting verification"; - cancelVerification(MISMATCHED_COMMITMENT); - return; - } - } else { - sendKey(); + connect(connection, &Connection::syncDone, this, [this](){ + setState(m_connection->d->keyVerificationSessionState(this)); + qWarning() << "new state" << this << m_state; + }); + if (m_verificationId.isEmpty()) { + setState(CREATED); + m_connection->d->requestUserVerification(this); } - - std::string key(olm_sas_pubkey_length(olmData), '\0'); - olm_sas_get_pubkey(olmData, key.data(), key.size()); - - std::array output{}; - const auto infoTemplate = - startSentByUs ? "MATRIX_KEY_VERIFICATION_SAS|%1|%2|%3|%4|%5|%6|%7"_L1 - : "MATRIX_KEY_VERIFICATION_SAS|%4|%5|%6|%1|%2|%3|%7"_L1; - - const auto info = infoTemplate - .arg(m_connection->userId(), m_connection->deviceId(), - QString::fromLatin1(key.data()), m_remoteUserId, m_remoteDeviceId, - event.key(), m_room ? m_requestEventId : m_transactionId) - .toLatin1(); - - olm_sas_generate_bytes(olmData, info.data(), unsignedSize(info), - output.data(), output.size()); - - static constexpr auto x3f = std::byte{ 0x3f }; - const std::array code{ - output[0] >> 2, - (output[0] << 4 & x3f) | output[1] >> 4, - (output[1] << 2 & x3f) | output[2] >> 6, - output[2] & x3f, - output[3] >> 2, - (output[3] << 4 & x3f) | output[4] >> 4, - (output[4] << 2 & x3f) | output[5] >> 6 - }; - - const auto uiLanguages = QLocale().uiLanguages(); - const auto preferredLanguage = uiLanguages.isEmpty() - ? QString() - : uiLanguages.front().section(u'-', 0, 0); - for (const auto& c : code) - m_sasEmojis += emojiForCode(std::to_integer(c), preferredLanguage); - - emit sasEmojisChanged(); - emit keyReceived(); - setState(WAITINGFORVERIFICATION); } -QString KeyVerificationSession::calculateMac(const QString& input, - bool verifying, - const QString& keyId) +KeyVerificationSession* KeyVerificationSession::requestDeviceVerification(const QString& userId, const QString& deviceId, Connection* connection) { - const auto inputBytes = input.toLatin1(); - const auto macLength = olm_sas_mac_length(olmData); - auto macChars = byteArrayForOlm(macLength); - const auto macInfo = (verifying ? "MATRIX_KEY_VERIFICATION_MAC%3%4%1%2%5%6"_L1 - : "MATRIX_KEY_VERIFICATION_MAC%1%2%3%4%5%6"_L1) - .arg(m_connection->userId(), m_connection->deviceId(), m_remoteUserId, - m_remoteDeviceId, m_room ? m_requestEventId : m_transactionId, - input.contains(u',') ? u"KEY_IDS"_s : keyId) - .toLatin1(); - if (m_commonMacCodes.contains(HmacSha256V2Code)) - olm_sas_calculate_mac_fixed_base64(olmData, inputBytes.data(), - unsignedSize(inputBytes), - macInfo.data(), unsignedSize(macInfo), - macChars.data(), macLength); - else - olm_sas_calculate_mac(olmData, inputBytes.data(), - unsignedSize(inputBytes), macInfo.data(), - unsignedSize(macInfo), macChars.data(), macLength); - return QString::fromLatin1(macChars.data(), macChars.indexOf('=')); + return new KeyVerificationSession(userId, {}, deviceId, connection); } -void KeyVerificationSession::sendMac() +KeyVerificationSession* KeyVerificationSession::requestUserVerification(Room* room, Connection* connection) { - QString keyId{ "ed25519:"_L1 % m_connection->deviceId() }; - - const auto &masterKey = m_connection->isUserVerified(m_connection->userId()) ? m_connection->masterKeyForUser(m_connection->userId()) : QString(); - - QStringList keyList{keyId}; - if (!masterKey.isEmpty()) { - keyList += "ed25519:"_L1 + masterKey; - } - keyList.sort(); - - auto keys = calculateMac(keyList.join(u','), false); - - QJsonObject mac; - auto key = m_connection->olmAccount()->deviceKeys().keys.value(keyId); - mac[keyId] = calculateMac(key, false, keyId); - if (!masterKey.isEmpty()) { - mac["ed25519:"_L1 + masterKey] = calculateMac(masterKey, false, "ed25519:"_L1 + masterKey); - } - - sendEvent(m_remoteUserId, m_remoteDeviceId, - KeyVerificationMacEvent(m_transactionId, keys, - mac), - m_encrypted); - setState (macReceived ? DONE : WAITINGFORMAC); - m_verified = true; - if (!m_pendingEdKeyId.isEmpty()) { - trustKeys(); - } + return new KeyVerificationSession(room, connection); } -void KeyVerificationSession::sendDone() -{ - sendEvent(m_remoteUserId, m_remoteDeviceId, - KeyVerificationDoneEvent(m_transactionId), - m_encrypted); -} -void KeyVerificationSession::sendKey() +void KeyVerificationSession::accept() { - const auto pubkeyLength = olm_sas_pubkey_length(olmData); - auto keyBytes = byteArrayForOlm(pubkeyLength); - olm_sas_get_pubkey(olmData, keyBytes.data(), pubkeyLength); - sendEvent(m_remoteUserId, m_remoteDeviceId, - KeyVerificationKeyEvent(m_transactionId, - QString::fromLatin1(keyBytes)), - m_encrypted); + m_connection->d->acceptKeyVerification(this); } - -void KeyVerificationSession::cancelVerification(Error error) +void KeyVerificationSession::confirm() { - sendEvent(m_remoteUserId, m_remoteDeviceId, KeyVerificationCancelEvent(m_transactionId, - errorToString(error)), m_encrypted); - setState(CANCELED); - setError(error); - emit finished(); - deleteLater(); + m_connection->d->confirmKeyVerification(this); } -void KeyVerificationSession::sendReady() +void KeyVerificationSession::setState(State state) { - auto methods = commonSupportedMethods(m_remoteSupportedMethods); - - if (methods.isEmpty()) { - cancelVerification(UNKNOWN_METHOD); - return; - } - - sendEvent( - m_remoteUserId, m_remoteDeviceId, - KeyVerificationReadyEvent(m_transactionId, m_connection->deviceId(), - methods), - m_encrypted); - setState(READY); - - if (methods.size() == 1) { - sendStartSas(); - } -} - -void KeyVerificationSession::sendStartSas() -{ - startSentByUs = true; - KeyVerificationStartEvent event(m_transactionId, m_connection->deviceId()); - auto fixedJson = event.contentJson(); - if (m_room) { - fixedJson.remove("transaction_id"_L1); - fixedJson["m.relates_to"_L1] = QJsonObject { - {"event_id"_L1, m_requestEventId}, - {"rel_type"_L1, "m.reference"_L1}, - }; - } - m_startEvent = QString::fromUtf8( - QJsonDocument(fixedJson).toJson(QJsonDocument::Compact)); - sendEvent(m_remoteUserId, m_remoteDeviceId, event, - m_encrypted); - setState(WAITINGFORACCEPT); -} - -void KeyVerificationSession::handleReady(const KeyVerificationReadyEvent& event) -{ - setState(READY); - m_remoteSupportedMethods = event.methods(); - auto methods = commonSupportedMethods(m_remoteSupportedMethods); - - // This happens for outgoing user verification - if (m_remoteDeviceId.isEmpty()) { - m_remoteDeviceId = event.fromDevice(); - } - - if (methods.isEmpty()) - cancelVerification(UNKNOWN_METHOD); - else if (methods.size() == 1) - sendStartSas(); // -> WAITINGFORACCEPT -} - -void KeyVerificationSession::handleStart(const KeyVerificationStartEvent& event) -{ - if (startSentByUs) { - if (m_remoteUserId > m_connection->userId() - || (m_remoteUserId == m_connection->userId() - && m_remoteDeviceId > m_connection->deviceId())) { + if ((int) state == 100) { + if (m_state == CREATED) { return; } - startSentByUs = false; - } - const auto& theirMacs = event.messageAuthenticationCodes(); - for (const auto& macCode : SupportedMacs) - if (theirMacs.contains(macCode)) - m_commonMacCodes.push_back(macCode); - if (m_commonMacCodes.isEmpty()) { - cancelVerification(UNKNOWN_METHOD); - return; - } - const auto pubkeyLength = olm_sas_pubkey_length(olmData); - auto publicKey = byteArrayForOlm(pubkeyLength); - olm_sas_get_pubkey(olmData, publicKey.data(), pubkeyLength); - const auto canonicalEvent = QJsonDocument(event.contentJson()).toJson(QJsonDocument::Compact); - const auto commitment = - QString::fromLatin1(QCryptographicHash::hash(publicKey + canonicalEvent, - QCryptographicHash::Sha256) - .toBase64(QByteArray::OmitTrailingEquals)); - - sendEvent(m_remoteUserId, m_remoteDeviceId, - KeyVerificationAcceptEvent(m_transactionId, - commitment), - m_encrypted); - setState(ACCEPTED); -} - -void KeyVerificationSession::handleMac(const KeyVerificationMacEvent& event) -{ - QStringList keys = event.mac().keys(); - keys.sort(); - const auto& key = keys.join(","_L1); - const QString edKeyId = "ed25519:"_L1 % m_remoteDeviceId; - - if (calculateMac(m_connection->edKeyForUserDevice(m_remoteUserId, - m_remoteDeviceId), - true, edKeyId) - != event.mac().value(edKeyId)) { - cancelVerification(KEY_MISMATCH); - return; - } - - auto masterKey = m_connection->masterKeyForUser(m_remoteUserId); - if (event.mac().contains("ed25519:"_L1 % masterKey) - && calculateMac(masterKey, true, "ed25519:"_L1 % masterKey) - != event.mac().value("ed25519:"_L1 % masterKey)) { - cancelVerification(KEY_MISMATCH); - return; - } - - if (calculateMac(key, true) != event.keys()) { - cancelVerification(KEY_MISMATCH); - return; - } - - m_pendingEdKeyId = edKeyId; - m_pendingMasterKey = masterKey; - - if (m_verified) { - trustKeys(); - } -} - -void KeyVerificationSession::trustKeys() -{ - m_connection->database()->setSessionVerified(m_pendingEdKeyId); - m_connection->database()->setMasterKeyVerified(m_pendingMasterKey); - if (m_remoteUserId == m_connection->userId()) { - m_connection->reloadDevices(); + state = DONE; } + m_state = state; + Q_EMIT stateChanged(); - if (!m_pendingMasterKey.isEmpty()) { - if (m_remoteUserId == m_connection->userId()) { - const auto selfSigningKey = m_connection->database()->loadEncrypted("m.cross_signing.self_signing"_L1); - if (!selfSigningKey.isEmpty()) { - QHash> signatures; - auto json = QJsonObject { - {"keys"_L1, QJsonObject { - {"ed25519:"_L1 + m_remoteDeviceId, m_connection->edKeyForUserDevice(m_remoteUserId, m_remoteDeviceId)}, - {"curve25519:"_L1 + m_remoteDeviceId, m_connection->curveKeyForUserDevice(m_remoteUserId, m_remoteDeviceId)}, - }}, - {"algorithms"_L1, QJsonArray {"m.olm.v1.curve25519-aes-sha2"_L1, "m.megolm.v1.aes-sha2"_L1}}, - {"device_id"_L1, m_remoteDeviceId}, - {"user_id"_L1, m_remoteUserId}, - }; - auto signature = sign(selfSigningKey, QJsonDocument(json).toJson(QJsonDocument::Compact)); - json["signatures"_L1] = QJsonObject { - {m_connection->userId(), QJsonObject { - {"ed25519:"_L1 + m_connection->database()->selfSigningPublicKey(), QString::fromLatin1(signature)}, - }}, - }; - signatures[m_remoteUserId][m_remoteDeviceId] = json; - auto uploadSignatureJob = m_connection->callApi(signatures); - connect(uploadSignatureJob, &BaseJob::finished, m_connection, [uploadSignatureJob]() { - if (uploadSignatureJob->error() != BaseJob::Success) { - qCWarning(E2EE) << "Failed to upload self-signing signature" << uploadSignatureJob << uploadSignatureJob->error() << uploadSignatureJob->errorString(); - } - }); - } else { - // Not parenting to this since the session is going to be destroyed soon - auto handler = new SSSSHandler(m_connection); - handler->setConnection(m_connection); - handler->unlockSSSSFromCrossSigning(); - connect(handler, &SSSSHandler::finished, handler, &QObject::deleteLater); - } - } else { - const auto userSigningKey = m_connection->database()->loadEncrypted("m.cross_signing.user_signing"_L1); - if (!userSigningKey.isEmpty()) { - QHash> signatures; - auto json = QJsonObject { - {"keys"_L1, QJsonObject { - {"ed25519:"_L1 + m_pendingMasterKey, m_pendingMasterKey}, - }}, - {"usage"_L1, QJsonArray {"master"_L1}}, - {"user_id"_L1, m_remoteUserId}, - }; - auto signature = sign(userSigningKey, QJsonDocument(json).toJson(QJsonDocument::Compact)); - json["signatures"_L1] = QJsonObject { - {m_connection->userId(), QJsonObject { - {"ed25519:"_L1 + m_connection->database()->userSigningPublicKey(), QString::fromLatin1(signature)}, - }}, - }; - signatures[m_remoteUserId][m_pendingMasterKey] = json; - auto uploadSignatureJob = m_connection->callApi(signatures); - connect(uploadSignatureJob, &BaseJob::finished, m_connection, [uploadSignatureJob, userId = m_remoteUserId](){ - if (uploadSignatureJob->error() != BaseJob::Success) { - qCWarning(E2EE) << "Failed to upload user-signing signature for" << userId << uploadSignatureJob << uploadSignatureJob->error() << uploadSignatureJob->errorString(); - } - }); - } - } - emit m_connection->userVerified(m_remoteUserId); + if (m_state == KEYSEXCHANGED) { + emit sasEmojisChanged(); } - - emit m_connection->sessionVerified(m_remoteUserId, m_remoteDeviceId); - macReceived = true; - - if (state() == WAITINGFORMAC) { - setState(DONE); - sendDone(); - emit finished(); - deleteLater(); + if (m_state == READY) { + m_connection->d->startKeyVerification(this); } } -QVector KeyVerificationSession::sasEmojis() const +QVector KeyVerificationSession::sasEmojis() { - return m_sasEmojis; -} + auto raw = m_connection->d->keyVerificationSasEmoji(this); -void KeyVerificationSession::sendRequest() -{ - sendEvent( - m_remoteUserId, m_remoteDeviceId, - KeyVerificationRequestEvent(m_transactionId, m_connection->deviceId(), - supportedMethods, - QDateTime::currentDateTime()), - m_encrypted); - setState(WAITINGFORREADY); -} - -KeyVerificationSession::State KeyVerificationSession::state() const -{ - return m_state; -} - -void KeyVerificationSession::setState(KeyVerificationSession::State state) -{ - qCDebug(E2EE) << "KeyVerificationSession state" << m_state << "->" << state; - m_state = state; - emit stateChanged(); -} - -KeyVerificationSession::Error KeyVerificationSession::error() const -{ - return m_error; -} - -void KeyVerificationSession::setError(Error error) -{ - m_error = error; - emit errorChanged(); -} - -QString KeyVerificationSession::errorToString(Error error) -{ - switch(error) { - case NONE: - return "none"_L1; - case TIMEOUT: - return "m.timeout"_L1; - case USER: - return "m.user"_L1; - case UNEXPECTED_MESSAGE: - return "m.unexpected_message"_L1; - case UNKNOWN_TRANSACTION: - return "m.unknown_transaction"_L1; - case UNKNOWN_METHOD: - return "m.unknown_method"_L1; - case KEY_MISMATCH: - return "m.key_mismatch"_L1; - case USER_MISMATCH: - return "m.user_mismatch"_L1; - case INVALID_MESSAGE: - return "m.invalid_message"_L1; - case SESSION_ACCEPTED: - return "m.accepted"_L1; - case MISMATCHED_COMMITMENT: - return "m.mismatched_commitment"_L1; - case MISMATCHED_SAS: - return "m.mismatched_sas"_L1; - default: - return "m.user"_L1; + QVector out; + for (const auto& [symbol, description] : raw) { + out += { + symbol, description + }; } + return out; } -KeyVerificationSession::Error KeyVerificationSession::stringToError(const QString& error) -{ - if (error == "m.timeout"_L1) - return REMOTE_TIMEOUT; - if (error == "m.user"_L1) - return REMOTE_USER; - if (error == "m.unexpected_message"_L1) - return REMOTE_UNEXPECTED_MESSAGE; - if (error == "m.unknown_message"_L1) - return REMOTE_UNEXPECTED_MESSAGE; - if (error == "m.unknown_transaction"_L1) - return REMOTE_UNKNOWN_TRANSACTION; - if (error == "m.unknown_method"_L1) - return REMOTE_UNKNOWN_METHOD; - if (error == "m.key_mismatch"_L1) - return REMOTE_KEY_MISMATCH; - if (error == "m.user_mismatch"_L1) - return REMOTE_USER_MISMATCH; - if (error == "m.invalid_message"_L1) - return REMOTE_INVALID_MESSAGE; - if (error == "m.accepted"_L1) - return REMOTE_SESSION_ACCEPTED; - if (error == "m.mismatched_commitment"_L1) - return REMOTE_MISMATCHED_COMMITMENT; - if (error == "m.mismatched_sas"_L1) - return REMOTE_MISMATCHED_SAS; - return NONE; -} - -QString KeyVerificationSession::remoteDeviceId() const +QString KeyVerificationSession::remoteDevice() const { return m_remoteDeviceId; } -QString KeyVerificationSession::transactionId() const +void KeyVerificationSession::setVerificationId(const QString& verificationId) { - return m_transactionId; + m_verificationId = verificationId; } -void KeyVerificationSession::sendEvent(const QString &userId, const QString &deviceId, const KeyVerificationEvent &event, bool encrypted) +QString KeyVerificationSession::remoteUser() const { - if (m_room) { - auto json = event.contentJson(); - json.remove("transaction_id"_L1); - if (event.metaType().matrixId == KeyVerificationRequestEvent::TypeId) { - json["msgtype"_L1] = event.matrixType(); - json["body"_L1] = m_connection->userId() + " sent a verification request"_L1; - json["to"_L1] = m_remoteUserId; - m_room->postJson("m.room.message"_L1, json); - } else { - json["m.relates_to"_L1] = QJsonObject { - {"event_id"_L1, m_requestEventId}, - {"rel_type"_L1, "m.reference"_L1} - }; - m_room->postJson(event.matrixType(), json); - } - } else { - m_connection->sendToDevice(userId, deviceId, event, encrypted); - } + return m_remoteUserId; } -bool KeyVerificationSession::userVerification() const +QString KeyVerificationSession::verificationId() const { - return m_room; + return m_verificationId; } -void KeyVerificationSession::setRequestEventId(const QString& eventId) +Room* KeyVerificationSession::room() const { - m_requestEventId = eventId; + return m_room; } diff --git a/Quotient/keyverificationsession.h b/Quotient/keyverificationsession.h index a28db2ecb..0abf35c30 100644 --- a/Quotient/keyverificationsession.h +++ b/Quotient/keyverificationsession.h @@ -3,27 +3,26 @@ #pragma once -#include "events/keyverificationevent.h" -#include "events/roommessageevent.h" +#include "quotient_export.h" #include #include -struct OlmSAS; - namespace Quotient { class Connection; class Room; struct QUOTIENT_API EmojiEntry { - QString emoji; - QString description; - Q_GADGET + //! \brief Unicode of the emoji Q_PROPERTY(QString emoji MEMBER emoji CONSTANT) + //! \brief Textual description of the emoji + //! This follows https://spec.matrix.org/v1.11/client-server-api/#sas-method-emoji Q_PROPERTY(QString description MEMBER description CONSTANT) public: + QString emoji; + QString description; friend bool operator==(const EmojiEntry&, const EmojiEntry&) = default; }; @@ -34,152 +33,71 @@ struct QUOTIENT_API EmojiEntry { class QUOTIENT_API KeyVerificationSession : public QObject { Q_OBJECT - public: enum State { - INCOMING, ///< There is a request for verification incoming - //! We sent a request for verification and are waiting for ready - WAITINGFORREADY, - //! Either party sent a ready as a response to a request; the user - //! selects a method + CREATED, + REQUESTED, READY, - WAITINGFORACCEPT, ///< We sent a start and are waiting for an accept - ACCEPTED, ///< The other party sent an accept and is waiting for a key - WAITINGFORKEY, ///< We're waiting for a key - //! We're waiting for the *user* to verify the emojis - WAITINGFORVERIFICATION, - WAITINGFORMAC, ///< We're waiting for the mac - CANCELED, ///< The session has been canceled - DONE, ///< The verification is done + TRANSITIONED, + CANCELED, + DONE, + KEYSEXCHANGED, + CONFIRMED, }; Q_ENUM(State) - enum Error { - NONE, - TIMEOUT, - REMOTE_TIMEOUT, - USER, - REMOTE_USER, - UNEXPECTED_MESSAGE, - REMOTE_UNEXPECTED_MESSAGE, - UNKNOWN_TRANSACTION, - REMOTE_UNKNOWN_TRANSACTION, - UNKNOWN_METHOD, - REMOTE_UNKNOWN_METHOD, - KEY_MISMATCH, - REMOTE_KEY_MISMATCH, - USER_MISMATCH, - REMOTE_USER_MISMATCH, - INVALID_MESSAGE, - REMOTE_INVALID_MESSAGE, - SESSION_ACCEPTED, - REMOTE_SESSION_ACCEPTED, - MISMATCHED_COMMITMENT, - REMOTE_MISMATCHED_COMMITMENT, - MISMATCHED_SAS, - REMOTE_MISMATCHED_SAS, - }; - Q_ENUM(Error) + //! \brief The matrix id of the user we're verifying. + //! For device verification this is our own id. + Q_PROPERTY(QString remoteUserId MEMBER m_remoteUserId CONSTANT) + //! \brief The device id of the device we're verifying + //! Does not have a specified value when verifying a different user Q_PROPERTY(QString remoteDeviceId MEMBER m_remoteDeviceId CONSTANT) - Q_PROPERTY(QString remoteUserId MEMBER m_remoteUserId CONSTANT) - Q_PROPERTY(QVector sasEmojis READ sasEmojis NOTIFY sasEmojisChanged) - Q_PROPERTY(State state READ state NOTIFY stateChanged) - Q_PROPERTY(Error error READ error NOTIFY errorChanged) - // Whether this is a user verification (in contrast to a device verification) - Q_PROPERTY(bool userVerification READ userVerification CONSTANT) - // Incoming device verification - KeyVerificationSession(QString remoteUserId, - const KeyVerificationRequestEvent& event, - Connection* connection, bool encrypted); + //! \brief The current state of the verification session + //! Clients should use this to adapt their UI to the current stage of the verification + Q_PROPERTY(State state MEMBER m_state NOTIFY stateChanged) - // Outgoing device verification - KeyVerificationSession(QString userId, QString deviceId, - Connection* connection); + //! \brief The sas emoji that should be shown to the user. + //! Only has a specified value when the session is in TRANSITIONED state + Q_PROPERTY(QVector sasEmojis READ sasEmojis NOTIFY sasEmojisChanged) - // Incoming user verification - KeyVerificationSession(const RoomMessageEvent *event, Room *room); + KeyVerificationSession(const QString& remoteUserId, const QString& verificationId, const QString& remoteDeviceId, Quotient::Connection* connection); + KeyVerificationSession(Room* room, Quotient::Connection* connection); - // Outgoing user verification - explicit KeyVerificationSession(Room *room); + //! \brief Accept an incoming verification session + Q_INVOKABLE void accept(); - void handleEvent(const KeyVerificationEvent& baseEvent); + //! \brief Confirm that the emojis shown to the user match + //! This will mark the remote session / user as verified and send an m.key.verification.mac event + //! Only call this after the user has confirmed the correctness of the emoji! + Q_INVOKABLE void confirm(); - QVector sasEmojis() const; - State state() const; + QVector sasEmojis(); + QString remoteUser() const; + QString remoteDevice() const; + QString verificationId() const; - Error error() const; + static KeyVerificationSession* requestDeviceVerification(const QString& userId, const QString& deviceId, Connection* connection); + static KeyVerificationSession* requestUserVerification(Room* room, Connection* connection); - QString remoteDeviceId() const; - QString transactionId() const; - bool userVerification() const; + Quotient::Room* room() const; - void setRequestEventId(const QString &eventId); +private: + QString m_remoteUserId; + QString m_verificationId; + QString m_remoteDeviceId; + QPointer m_connection; + QPointer m_room; + State m_state = REQUESTED; -public Q_SLOTS: - void sendRequest(); - void sendReady(); - void sendMac(); - void sendStartSas(); - void sendKey(); - void sendDone(); - void cancelVerification(Error error); + void setState(State state); + void setVerificationId(const QString& verificationId); + friend class Quotient::Connection; Q_SIGNALS: - void keyReceived(); - void sasEmojisChanged(); void stateChanged(); - void errorChanged(); - void finished(); - -private: - // Internal delegating constructors - - KeyVerificationSession(QString remoteUserId, Connection* connection, QString remoteDeviceId, - bool encrypted, QStringList methods, QDateTime startTimestamp, - QString transactionId, Room* room = nullptr, QString requestEventId = {}); - KeyVerificationSession(QString remoteUserId, Connection* connection, Room* room, - QString remoteDeviceId = {}, QString transactionId = {}); - - Connection* const m_connection; - QPointer m_room; - const QString m_remoteUserId; - QString m_remoteDeviceId; - QString m_transactionId; - bool m_encrypted = false; - QStringList m_remoteSupportedMethods{}; - QStringList m_commonMacCodes{}; - - CStructPtr olmDataHolder = makeOlmData(); - OlmSAS* olmData = olmDataHolder.get(); - QVector m_sasEmojis; - bool startSentByUs = false; - State m_state = INCOMING; - Error m_error = NONE; - QString m_startEvent{}; - QString m_commitment{}; - bool macReceived = false; - bool m_verified = false; - QString m_pendingEdKeyId{}; - QString m_pendingMasterKey{}; - QString m_requestEventId{}; - - static CStructPtr makeOlmData(); - void handleReady(const KeyVerificationReadyEvent& event); - void handleStart(const KeyVerificationStartEvent& event); - void handleKey(const KeyVerificationKeyEvent& event); - void handleMac(const KeyVerificationMacEvent& event); - void setupTimeout(std::chrono::milliseconds timeout); - void setState(State state); - void setError(Error error); - static QString errorToString(Error error); - static Error stringToError(const QString& error); - void trustKeys(); - void sendEvent(const QString &userId, const QString &deviceId, const KeyVerificationEvent &event, bool encrypted); - - QByteArray macInfo(bool verifying, const QString& key = "KEY_IDS"_L1); - QString calculateMac(const QString& input, bool verifying, const QString& keyId= "KEY_IDS"_L1); + void sasEmojisChanged(); }; } // namespace Quotient diff --git a/Quotient/logging_categories_p.h b/Quotient/logging_categories_p.h index 4919a769a..0a9cccaa7 100644 --- a/Quotient/logging_categories_p.h +++ b/Quotient/logging_categories_p.h @@ -23,7 +23,6 @@ QUO_LOGGING_CATEGORY(SYNCJOB, "quotient.jobs.sync") QUO_LOGGING_CATEGORY(THUMBNAILJOB, "quotient.jobs.thumbnail") QUO_LOGGING_CATEGORY(NETWORK, "quotient.network") QUO_LOGGING_CATEGORY(PROFILER, "quotient.profiler") -QUO_LOGGING_CATEGORY(DATABASE, "quotient.database") } // namespace Quotient diff --git a/Quotient/room.cpp b/Quotient/room.cpp index d80234476..e937af161 100644 --- a/Quotient/room.cpp +++ b/Quotient/room.cpp @@ -12,7 +12,6 @@ #include "avatar.h" #include "connection.h" #include "converters.h" -#include "database.h" #include "eventstats.h" #include "keyverificationsession.h" #include "logging_categories_p.h" @@ -39,8 +38,6 @@ #include "csapi/tags.h" #include "e2ee/e2ee_common.h" -#include "e2ee/qolmaccount.h" -#include "e2ee/qolminboundsession.h" #include "events/callevents.h" #include "events/encryptionevent.h" @@ -56,6 +53,7 @@ #include "events/roomtombstoneevent.h" #include "events/simplestateevents.h" #include "events/typingevent.h" +#include "events/keyverificationevent.h" #include "jobs/downloadfilejob.h" #include "jobs/mediathumbnailjob.h" @@ -150,9 +148,6 @@ class Q_DECL_HIDDEN Room::Private { JobHandle allMembersJob; //! Map from megolm sessionId to set of eventIds std::unordered_map> undecryptedEvents; - //! Map from event id of the request event to the session object - QHash keyVerificationSessions; - QPointer pendingKeyVerificationSession; struct FileTransferPrivateInfo { FileTransferPrivateInfo() = default; @@ -337,121 +332,6 @@ class Q_DECL_HIDDEN Room::Private { bool isLocalMember(const QString& memberId) const { return memberId == connection->userId(); } - std::unordered_map groupSessions; - std::optional currentOutboundMegolmSession = {}; - - bool addInboundGroupSession(QByteArray sessionId, QByteArray sessionKey, - const QString& senderId, - const QByteArray& olmSessionId, const QByteArray& senderKey, const QByteArray& senderEdKey) - { - if (groupSessions.contains(sessionId)) { - qCWarning(E2EE) << "Inbound Megolm session" << sessionId << "already exists"; - return false; - } - - auto expectedMegolmSession = QOlmInboundGroupSession::create(sessionKey); - Q_ASSERT(expectedMegolmSession.has_value()); - auto&& megolmSession = *expectedMegolmSession; - if (megolmSession.sessionId() != sessionId) { - qCWarning(E2EE) << "Session ID mismatch in m.room_key event"; - return false; - } - megolmSession.setSenderId(senderId); - megolmSession.setOlmSessionId(olmSessionId); - qCWarning(E2EE) << "Adding inbound session" << sessionId; - connection->saveMegolmSession(q, megolmSession, senderKey, senderEdKey); - groupSessions.try_emplace(sessionId, std::move(megolmSession)); - return true; - } - - QString groupSessionDecryptMessage(const QByteArray& ciphertext, - const QByteArray& sessionId, - const QString& eventId, - const QDateTime& timestamp, - const QString& senderId) - { - auto groupSessionIt = groupSessions.find(sessionId); - if (groupSessionIt == groupSessions.end()) { - // qCWarning(E2EE) << "Unable to decrypt event" << eventId - // << "The sender's device has not sent us the keys for " - // "this message"; - // TODO: request the keys - return {}; - } - auto& senderSession = groupSessionIt->second; - if (senderSession.senderId() != "BACKUP"_L1 && senderSession.senderId() != senderId) { - qCWarning(E2EE) << "Sender from event does not match sender from session"; - return {}; - } - auto decryptResult = senderSession.decrypt(ciphertext); - if(!decryptResult) { - qCWarning(E2EE) << "Unable to decrypt event" << eventId - << "with matching megolm session:" << decryptResult.error(); - return {}; - } - const auto& [content, index] = *decryptResult; - const auto& [recordEventId, ts] = - q->connection()->database()->groupSessionIndexRecord( - q->id(), QString::fromLatin1(senderSession.sessionId()), index); - if (recordEventId.isEmpty()) { - q->connection()->database()->addGroupSessionIndexRecord( - q->id(), QString::fromLatin1(senderSession.sessionId()), index, eventId, - timestamp.toMSecsSinceEpoch()); - } else { - if ((eventId != recordEventId) - || (ts != timestamp.toMSecsSinceEpoch())) { - qCWarning(E2EE) << "Detected a replay attack on event" << eventId; - return {}; - } - } - return QString::fromUtf8(content); - } - - bool shouldRotateMegolmSession() const - { - const auto* encryptionConfig = currentState.get(); - if (!encryptionConfig || !encryptionConfig->useEncryption()) - return false; - - const auto rotationInterval = encryptionConfig->rotationPeriodMs(); - const auto rotationMessageCount = encryptionConfig->rotationPeriodMsgs(); - return currentOutboundMegolmSession->messageCount() - >= rotationMessageCount - || currentOutboundMegolmSession->creationTime().addMSecs( - rotationInterval) - < QDateTime::currentDateTime(); - } - - bool hasValidMegolmSession() const - { - return q->usesEncryption() && currentOutboundMegolmSession.has_value(); - } - - void createMegolmSession() { - qCDebug(E2EE) << "Creating new outbound megolm session for room " - << q->objectName(); - currentOutboundMegolmSession.emplace(); - connection->database()->saveCurrentOutboundMegolmSession( - id, *currentOutboundMegolmSession); - - addInboundGroupSession(currentOutboundMegolmSession->sessionId(), - currentOutboundMegolmSession->sessionKey(), - q->localMember().id(), QByteArrayLiteral("SELF"), - connection->curveKeyForUserDevice(connection->userId(), connection->deviceId()).toLatin1(), - connection->edKeyForUserDevice(connection->userId(), connection->deviceId()).toLatin1()); - } - - QMultiHash getDevicesWithoutKey() const - { - QMultiHash devices; - for (const auto& user : memberNameMap.values() + membersInvited) - for (const auto& deviceId : connection->devicesForUser(user)) - devices.insert(user, deviceId); - - return connection->database()->devicesWithoutKey( - id, devices, currentOutboundMegolmSession->sessionId()); - } - private: Room::Timeline::size_type mergePendingEvent(PendingEvents::iterator localEchoIt, RoomEvents::iterator remoteEchoIt); @@ -469,30 +349,8 @@ Room::Room(Connection* connection, QString id, JoinState initialJoinState) d->q = this; d->displayname = d->calculateDisplayname(); // Set initial "Empty room" name if (connection->encryptionEnabled()) { - connect(this, &Room::encryption, this, - [this, connection] { connection->encryptionUpdate(this); }); - connect(this, &Room::memberListChanged, this, [this, connection] { - if(usesEncryption()) { - connection->encryptionUpdate(this, d->membersInvited); - } - }); - d->groupSessions = connection->loadRoomMegolmSessions(this); - d->currentOutboundMegolmSession = - connection->database()->loadCurrentOutboundMegolmSession(id); - if (d->currentOutboundMegolmSession - && d->shouldRotateMegolmSession()) { - d->currentOutboundMegolmSession.reset(); - } - connect(this, &Room::memberLeft, this, [this] { - if (d->hasValidMegolmSession()) { - qCDebug(E2EE) - << "Rotating the megolm session because a user left"; - d->createMegolmSession(); - } - }); - - connect(this, &Room::beforeDestruction, this, [id, connection] { - connection->database()->clearRoomData(id); + connect(this, &Room::memberLeft, this, [] { + //TODO do we need to manually rotate the megolm session? i think this is done through the members that are passed to the encrypt call }); } qCDebug(STATE) << "New" << terse << initialJoinState << "Room:" << id; @@ -1549,10 +1407,12 @@ RoomEventPtr Room::decryptMessage(const EncryptedEvent& encryptedEvent) << encryptedEvent.id() << "is not supported"; return {}; } - QString decrypted = d->groupSessionDecryptMessage( - encryptedEvent.ciphertext(), encryptedEvent.sessionId().toLatin1(), - encryptedEvent.id(), encryptedEvent.originTimestamp(), - encryptedEvent.senderId()); + + auto decrypted = connection()->decryptRoomEvent(this, QJsonDocument(encryptedEvent.fullJson()).toJson()); + // QString decrypted = d->groupSessionDecryptMessage( + // encryptedEvent.ciphertext(), encryptedEvent.sessionId().toLatin1(), + // encryptedEvent.id(), encryptedEvent.originTimestamp(), + // encryptedEvent.senderId()); if (decrypted.isEmpty()) { // qCWarning(E2EE) << "Encrypted message is empty"; return {}; @@ -1566,40 +1426,27 @@ RoomEventPtr Room::decryptMessage(const EncryptedEvent& encryptedEvent) return {}; } -void Room::handleRoomKeyEvent(const RoomKeyEvent& roomKeyEvent, - const QString& senderId, - const QByteArray& olmSessionId, - const QByteArray& senderKey, - const QByteArray& senderEdKey) -{ - if (roomKeyEvent.algorithm() != MegolmV1AesSha2AlgoKey) { - qCWarning(E2EE) << "Ignoring unsupported algorithm" - << roomKeyEvent.algorithm() << "in m.room_key event"; - } - if (d->addInboundGroupSession(roomKeyEvent.sessionId().toLatin1(), - roomKeyEvent.sessionKey(), senderId, - olmSessionId, senderKey, senderEdKey)) { - qCWarning(E2EE) << "added new inboundGroupSession:" - << d->groupSessions.size(); - const auto undecryptedEvents = - d->undecryptedEvents[roomKeyEvent.sessionId()]; - for (const auto& eventId : undecryptedEvents) { - const auto pIdx = d->eventsIndex.constFind(eventId); - if (pIdx == d->eventsIndex.cend()) - continue; - auto& ti = d->timeline[Timeline::size_type(*pIdx - minTimelineIndex())]; - if (auto encryptedEvent = ti.viewAs()) { - if (auto decrypted = decryptMessage(*encryptedEvent)) { - auto&& oldEvent = eventCast( - ti.replaceEvent(std::move(decrypted))); - ti->setOriginalEvent(std::move(oldEvent)); - emit replacedEvent(ti.event(), ti->originalEvent()); - d->undecryptedEvents[roomKeyEvent.sessionId()] -= eventId; - } - } - } - } -} +//TODO get notified when a room key arrived and decrypt pending events +// void Room::handleRoomKeyEvent() +// { +// // const auto undecryptedEvents = +// // d->undecryptedEvents[roomKeyEvent.sessionId()]; +// // for (const auto& eventId : undecryptedEvents) { +// // const auto pIdx = d->eventsIndex.constFind(eventId); +// // if (pIdx == d->eventsIndex.cend()) +// // continue; +// // auto& ti = d->timeline[Timeline::size_type(*pIdx - minTimelineIndex())]; +// // if (auto encryptedEvent = ti.viewAs()) { +// // if (auto decrypted = decryptMessage(*encryptedEvent)) { +// // auto&& oldEvent = eventCast( +// // ti.replaceEvent(std::move(decrypted))); +// // ti->setOriginalEvent(std::move(oldEvent)); +// // emit replacedEvent(ti.event(), ti->originalEvent()); +// // d->undecryptedEvents[roomKeyEvent.sessionId()] -= eventId; +// // } +// // } +// // } +// } int Room::joinedCount() const { @@ -1947,8 +1794,6 @@ const PendingEventItem& Room::Private::doSendEvent(PendingEvents::iterator event const auto& eventItem = *eventItemIter; const auto txnId = eventItem->transactionId(); // TODO, #133: Enqueue the job rather than immediately trigger it. - const RoomEvent* _event = eventItemIter->event(); - std::unique_ptr encryptedEvent; if (!q->successorId().isEmpty()) { // TODO: replace with a proper power levels check qCWarning(MAIN) << q << "has been upgraded, event won't be sent"; @@ -1956,6 +1801,7 @@ const PendingEventItem& Room::Private::doSendEvent(PendingEvents::iterator event return eventItem; } + //TODO: restore sending to non-encrypted rooms if (q->usesEncryption()) { if (!connection->encryptionEnabled()) { qWarning(E2EE) << "Room" << q->objectName() @@ -1965,64 +1811,59 @@ const PendingEventItem& Room::Private::doSendEvent(PendingEvents::iterator event onEventSendingFailure(eventItemIter); return eventItem; } - if (!hasValidMegolmSession() || shouldRotateMegolmSession()) { - createMegolmSession(); - } - // Send the session to other people - connection->sendSessionKeyToDevices(id, *currentOutboundMegolmSession, - getDevicesWithoutKey()); - - const auto encrypted = currentOutboundMegolmSession->encrypt( - QJsonDocument(eventItem->fullJson()).toJson()); - currentOutboundMegolmSession->setMessageCount( - currentOutboundMegolmSession->messageCount() + 1); - connection->database()->saveCurrentOutboundMegolmSession( - id, *currentOutboundMegolmSession); - encryptedEvent = makeEvent( - encrypted, connection->olmAccount()->identityKeys().curve25519, - connection->deviceId(), QString::fromLatin1(currentOutboundMegolmSession->sessionId())); - encryptedEvent->setTransactionId(connection->generateTxnId()); - encryptedEvent->setRoomId(id); - encryptedEvent->setSender(connection->userId()); - if (eventItem->contentJson().contains(RelatesToKey)) { - encryptedEvent->setRelation(eventItem->contentJson()[RelatesToKey].toObject()); - } - // We show the unencrypted event locally while pending. The echo - // check will throw the encrypted version out - _event = encryptedEvent.get(); - } - - if (auto call = connection->callApi(BackgroundRequest, id, _event->matrixType(), - txnId, _event->contentJson())) { - // Below - find pending events by txnIds again because PendingEventItems may move around - // as unsyncedEvents vector grows. - Room::connect(call, &BaseJob::sentRequest, q, [this, txnId] { - auto it = q->findPendingEvent(txnId); - if (it == unsyncedEvents.end()) { - qWarning(EVENTS) << "Pending event for transaction" << txnId - << "not found - got synced so soon?"; - return; + auto type = eventItem->matrixType(); + auto contentJson = eventItem->contentJson(); + + connection->shareRoomKey(q).then([this, txnId, eventItemIter, type, contentJson](){ + const RoomEvent* _event = eventItemIter->event(); + std::unique_ptr encryptedEvent; + auto content = QJsonDocument::fromJson(connection->encryptRoomEvent(q, QJsonDocument(contentJson).toJson(), type).toUtf8()).object(); + encryptedEvent = makeEvent(content[u"ciphertext"_s].toString().toUtf8(), content[u"sender_key"_s].toString(), content[u"device_id"_s].toString(), content[u"session_id"_s].toString()); + encryptedEvent->setTransactionId(connection->generateTxnId()); + encryptedEvent->setRoomId(id); + encryptedEvent->setSender(connection->userId()); + if (contentJson.contains(RelatesToKey)) { + encryptedEvent->setRelation(contentJson[RelatesToKey].toObject()); } - it->setDeparted(); - emit q->pendingEventChanged(int(it - unsyncedEvents.begin())); - }); - call.onResult(q, [this, txnId, call] { - auto it = q->findPendingEvent(txnId); - if (!call->status().good()) { - onEventSendingFailure(it, call); - return; - } - if (it != unsyncedEvents.end()) - onEventReachedServer(it, call->eventId()); - else - qDebug(EVENTS) << "Pending event for transaction" << txnId - << "already merged"; + // We show the unencrypted event locally while pending. The echo + // check will throw the encrypted version out + _event = encryptedEvent.get(); + if (auto call = connection->callApi(BackgroundRequest, id, _event->matrixType(), + txnId, _event->contentJson())) { + // Below - find pending events by txnIds again because PendingEventItems may move around + // as unsyncedEvents vector grows. + Room::connect(call, &BaseJob::sentRequest, q, [this, txnId] { + auto it = q->findPendingEvent(txnId); + if (it == unsyncedEvents.end()) { + qWarning(EVENTS) << "Pending event for transaction" << txnId + << "not found - got synced so soon?"; + return; + } + it->setDeparted(); + emit q->pendingEventChanged(int(it - unsyncedEvents.begin())); + }); + call.onResult(q, [this, txnId, call] { + auto it = q->findPendingEvent(txnId); + if (!call->status().good()) { + onEventSendingFailure(it, call); + return; + } + if (it != unsyncedEvents.end()) + onEventReachedServer(it, call->eventId()); + else + qDebug(EVENTS) << "Pending event for transaction" << txnId + << "already merged"; - emit q->messageSent(txnId, call->eventId()); + emit q->messageSent(txnId, call->eventId()); + }); + } else + onEventSendingFailure(eventItemIter); }); - } else - onEventSendingFailure(eventItemIter); + + } + + //TODO return future? return eventItem; } @@ -2134,9 +1975,9 @@ QString Room::postPlainText(const QString& plainText) QString Room::postHtmlMessage(const QString& plainText, const QString& html, MessageEventType type) { - return post(plainText, type, - new EventContent::TextContent(html, u"text/html"_s)) - ->transactionId(); + post(plainText, type, + new EventContent::TextContent(html, u"text/html"_s)); + return {}; } QString Room::postHtmlText(const QString& plainText, const QString& html) @@ -2901,40 +2742,40 @@ Room::Changes Room::Private::addNewMessageEvents(RoomEvents&& events) emit q->callEvent(q, evt); for (auto it = from; it != syncEdge(); ++it) { - if (it->event()->senderId() == connection->userId()) { - if (const auto* evt = it->viewAs()) { - if (evt->rawMsgtype() == "m.key.verification.request"_L1 && pendingKeyVerificationSession && evt->senderId() == q->localMember().id()) { - keyVerificationSessions[evt->id()] = pendingKeyVerificationSession; - connect(pendingKeyVerificationSession.get(), &QObject::destroyed, q, [this, evt] { - keyVerificationSessions.remove(evt->id()); - }); - pendingKeyVerificationSession->setRequestEventId(evt->id()); - pendingKeyVerificationSession.clear(); - } - } - continue; - } + // if (it->event()->senderId() == connection->userId()) { + // if (const auto* evt = it->viewAs()) { + // if (evt->rawMsgtype() == "m.key.verification.request"_L1 && pendingKeyVerificationSession && evt->senderId() == q->localMember().id()) { + // keyVerificationSessions[evt->id()] = pendingKeyVerificationSession; + // connect(pendingKeyVerificationSession.get(), &QObject::destroyed, q, [this, evt] { + // keyVerificationSessions.remove(evt->id()); + // }); + // //pendingKeyVerificationSession->setRequestEventId(evt->id()); + // pendingKeyVerificationSession.clear(); + // } + // } + // continue; + // } if (const auto* evt = it->viewAs()) { if (evt->rawMsgtype() == "m.key.verification.request"_L1) { if (evt->originTimestamp() > QDateTime::currentDateTime().addSecs(-60)) { - auto session = new KeyVerificationSession(evt, q); - emit connection->newKeyVerificationSession(session); - keyVerificationSessions[evt->id()] = session; - connect(session, &QObject::destroyed, q, [this, evt] { - keyVerificationSessions.remove(evt->id()); - }); + // auto session = new KeyVerificationSession(evt, q); + // emit connection->newKeyVerificationSession(session); + // keyVerificationSessions[evt->id()] = session; + // connect(session, &QObject::destroyed, q, [this, evt] { + // keyVerificationSessions.remove(evt->id()); + // }); } } } if (auto event = it->viewAs()) { - const auto &baseEvent = event->contentJson()["m.relates_to"_L1]["event_id"_L1].toString(); - if (event->matrixType() == "m.key.verification.done"_L1) { + if (event->senderId() == connection->userId()) { continue; } - if (keyVerificationSessions.contains(baseEvent)) { - keyVerificationSessions[baseEvent]->handleEvent(*event); - } else - qCWarning(E2EE) << "Unknown verification session, id" << baseEvent; + auto json = event->fullJson(); + if (!json.contains(u"room_id"_s)) { + json[u"room_id"_s] = q->id(); //TODO ?????????????????????????????????? + } + q->connection()->receiveVerificationEvent(QJsonDocument(json).toJson(QJsonDocument::Compact)); } } @@ -3477,65 +3318,17 @@ void Room::activateEncryption() setState(EncryptionType::MegolmV1AesSha2); } -void Room::addMegolmSessionFromBackup(const QByteArray& sessionId, const QByteArray& sessionKey, uint32_t index, const QByteArray& senderKey, const QByteArray& senderEdKey) -{ - const auto sessionIt = d->groupSessions.find(sessionId); - if (sessionIt != d->groupSessions.end() && sessionIt->second.firstKnownIndex() <= index) - return; - - auto&& importResult = QOlmInboundGroupSession::importSession(sessionKey); - if (!importResult) - return; - // NB: after the next line, sessionIt can be invalid. - auto& session = d->groupSessions - .insert_or_assign(sessionIt, sessionId, - std::move(importResult.value())) - ->second; - session.setOlmSessionId(d->connection->isVerifiedSession(sessionId) - ? QByteArrayLiteral("BACKUP_VERIFIED") - : QByteArrayLiteral("BACKUP")); - session.setSenderId("BACKUP"_L1); - d->connection->saveMegolmSession(this, session, senderKey, senderEdKey); -} - void Room::startVerification() { if (joinedMembers().count() != 2) { return; } - d->pendingKeyVerificationSession = new KeyVerificationSession(this); - emit d->connection->newKeyVerificationSession(d->pendingKeyVerificationSession); + connection()->requestUserVerification(this); } QJsonArray Room::exportMegolmSessions() { QJsonArray sessions; - for (auto& [key, value] : d->groupSessions) { - auto session = value.exportSession(value.firstKnownIndex()); - if (!session.has_value()) { - qCWarning(E2EE) << "Failed to export session" << session.error(); - continue; - } - - const auto senderClaimedKey = connection()->database()->edKeyForMegolmSession(QString::fromLatin1(value.sessionId())); - const auto senderKey = connection()->database()->senderKeyForMegolmSession(QString::fromLatin1(value.sessionId())); - const auto json = QJsonObject { - {"algorithm"_L1, "m.megolm.v1.aes-sha2"_L1}, - {"forwarding_curve25519_key_chain"_L1, QJsonArray()}, - {"room_id"_L1, id()}, - {"sender_claimed_keys"_L1, QJsonObject{ {"ed25519"_L1, senderClaimedKey} }}, - {"sender_key"_L1, senderKey}, - {"session_id"_L1, QString::fromLatin1(value.sessionId())}, - {"session_key"_L1, QString::fromLatin1(session.value())}, - }; - if (senderClaimedKey.isEmpty() || senderKey.isEmpty()) { - // These are edge-cases for some sessions that were added before libquotient started storing these fields. - // Some clients refuse to the entire file if this is missing for one key, so we shouldn't export the session in this case. - qCWarning(E2EE) << "Session" << value.sessionId() << "has unknown sender key."; - continue; - } - sessions.append(json); - } return sessions; } diff --git a/Quotient/room.h b/Quotient/room.h index 720b8d601..2adad4e83 100644 --- a/Quotient/room.h +++ b/Quotient/room.h @@ -264,11 +264,7 @@ class QUOTIENT_API Room : public QObject { int timelineSize() const; bool usesEncryption() const; RoomEventPtr decryptMessage(const EncryptedEvent& encryptedEvent); - void handleRoomKeyEvent(const RoomKeyEvent& roomKeyEvent, - const QString& senderId, - const QByteArray& olmSessionId, - const QByteArray& senderKey, - const QByteArray& senderEdKey); + // void handleRoomKeyEvent(); int joinedCount() const; int invitedCount() const; int totalMemberCount() const; diff --git a/autotests/CMakeLists.txt b/autotests/CMakeLists.txt index 24f6b7623..7ecc539b8 100644 --- a/autotests/CMakeLists.txt +++ b/autotests/CMakeLists.txt @@ -16,14 +16,4 @@ endfunction() quotient_add_test(NAME callcandidateseventtest) quotient_add_test(NAME utiltests) -quotient_add_test(NAME testolmaccount) -quotient_add_test(NAME testgroupsession) -quotient_add_test(NAME testolmsession) -if (NOT MSVC) - target_compile_options(testolmsession PRIVATE -fexceptions) -endif() -quotient_add_test(NAME testolmutility) -quotient_add_test(NAME testcryptoutils) -quotient_add_test(NAME testkeyverification) quotient_add_test(NAME testcrosssigning) -quotient_add_test(NAME testkeyimport) diff --git a/autotests/key-export.data b/autotests/key-export.data deleted file mode 100644 index 9f093b08d..000000000 --- a/autotests/key-export.data +++ /dev/null @@ -1,15 +0,0 @@ ------BEGIN MEGOLM SESSION DATA----- -ATQrLZT5CO0z1mJGtJcBaa4mabBB0pRII3RsKeXzvtKSAAehIFJ3016VcwFNTWDHPXC6cixX6u9YXWP7rTk7Z5vMVkIPRkUND2SbGmdrXYDWJgN/Ueg++VQZKkTWbiIQ -6l/h9Xo3Jp8Quskrb1g9kqerF0s9m+z5xfp2plwCzsYwEtvm7mFbS2v5yvY8Gc9c4oaMRU/+W1ZqBB0AznubfcvmU+EbWXtCKk+7EhnCbeD12ve9YLL4G/gfiE9afeRk -T318G8xYYT1eCMt/wxXAiSSmjwXc+Vp1n6qbg7KIGHWmu8eNvnj55aRu9Kk0+jtBXGhrMCGnjiJ3XDyPnjZnBJV81Cb3FIE8o3AAZGZ1aGgxK/PSBScaCI4aoWURd1oP -4SXNgehJdahqhLNfulagns9Cxx3lo/IlRG9tf28gDE6Bb3IFj5GbH8SUICylHZsJSD+vTSXb7aUNNqjcqowNS4evGFJCzOtfDqkoHyfqiln+8rMQ1OL0MuqEcX/2G6Tt -encqwrJN/6dMgdInABXArSgM1sqiBe59ZRVoml2cSDGekvpsq6sufmS/tg/25tvLVDRs7nwXLRSELAEo3WuWeBugUuJsYWn0b7Nb+ye3TW4ep7tvGh3v1TIhV4UQ9nbv -c6xPJnKS7CHw+xXUEXDg+4o20wY9+6w/lb59549/86GLaa0jPNr4AuV6QcSFy0kXXt2E2y0uzfRUEiUJmMT/YcgiSrgQR4Hc+lVMIDIPhhY5bzgCPytt7u78Y2faX+ef -9gU+1vHHvc5WeVt3TlVoEx2nDeCMSR/a/waBIV0bkSq0WwgIrYioNNTQ0SchAGHXN5eERJKAuXMd4n6khhXAI0+XCRQFgNn9b20hCCjEq4yb6GQ4cRHmvjtY12Z11VDH -4L7rmGFN0bvcmvjvrirZXj7Myi0engMHUhvd3zNhVKMpHzPghyDTClUWfnA/amZe1VN12jrkSAxSoLmQYALCBooIu7z/G8jZAZrgr72OmesYg4QE8A0UR+Y2cEWoOKvg -QvmBMnnu/kBIOqhdFfAcoJlWbTcYH/AJJsbqMsb9RmOhmBch8kSXDq7oTuV4iGT6xp47ZejI1St40oAXRjYEL4uJkXyZTvK/jkdjkFPbxHH8zAIcrOWWnczs8sfE7OMa -ASeiPjD0UWNEm8vXJIXE50zvHg0tDoIHlWSrt3khW+UlEEvK4J5oJYRTAUfKzXZrbZaq+C6Q0z30ksuE45aLtSdODlsKAc1fksscqycmVU22/SfvQje5Dv/uD9i8J86Y -+6OuXTzVw0H21+2tIBAjKaCM4jRFDruc/stok5Ixhxepl7184blfhZ4uRbt1hYGjcPfl6viB7lcboN4+i2WyB0xcpaZpQD6UBrglmFO05XKmSfjegR00YhmfS8yFXygs -fBJPNYihZoMmyRJjXqkETS7YVUSRPruMA+y8tyrwRO199LXaBbWORBI4EbFeVZlndGeileYQ6JNB7JdFu+RkeUkvkJPAyM8YD7NxR/5t+vNToJGUshy41CGbnVs30gxz -OPV+SCzfqD8qIjFiDWjsIGj7Hqm0qA== ------END MEGOLM SESSION DATA----- diff --git a/autotests/testcrosssigning.cpp b/autotests/testcrosssigning.cpp index 5c1e7fbd6..820165be7 100644 --- a/autotests/testcrosssigning.cpp +++ b/autotests/testcrosssigning.cpp @@ -4,9 +4,10 @@ #include -#include #include "testutils.h" +#include "util.h" + using namespace Quotient; class TestCrossSigning : public QObject @@ -23,29 +24,29 @@ private Q_SLOTS: file.open(QIODevice::ReadOnly); auto data = file.readAll(); QVERIFY(!data.isEmpty()); - auto jobMock = Mocked(QHash{}); - jobMock.setResult(QJsonDocument::fromJson(data)); - auto mockKeys = collectResponse(&jobMock); - - auto connection = Connection::makeMockConnection("@tobiasfella:kde.org"_L1, true); - connection->d->encryptionData->handleQueryKeys(mockKeys); - - QVERIFY(!connection->isUserVerified("@tobiasfella:kde.org"_L1)); - QVERIFY(!connection->isUserVerified("@carl:kde.org"_L1)); - QVERIFY(!connection->isUserVerified("@eve:foo.bar"_L1)); - QVERIFY(!connection->isUserVerified("@aloy:kde.org"_L1)); - QVERIFY(!connection->isVerifiedDevice("@tobiasfella:kde.org"_L1, "LTLVYDIVMO"_L1)); - connection->database()->setMasterKeyVerified("iiNvK2+mJtBXj6t+FVnaPBZ4e/M/n84wPJBfUVN38OE"_L1); - QVERIFY(connection->isUserVerified("@tobiasfella:kde.org"_L1)); - connection->d->encryptionData->handleQueryKeys(mockKeys); - - QVERIFY(connection->isUserVerified("@tobiasfella:kde.org"_L1)); - QVERIFY(connection->isUserVerified("@aloy:kde.org"_L1)); - QVERIFY(!connection->isVerifiedDevice("@tobiasfella:kde.org"_L1, "IDEJTUJQAF"_L1)); - QVERIFY(!connection->isVerifiedDevice("@tobiasfella:kde.org"_L1, "DEADBEEF"_L1)); - QVERIFY(connection->isVerifiedDevice("@tobiasfella:kde.org"_L1, "LTLVYDIVMO"_L1)); - QVERIFY(connection->isVerifiedDevice("@aloy:kde.org"_L1, "BUJGIJTVJB"_L1)); - QVERIFY(!connection->isVerifiedDevice("@aloy:kde.org"_L1, "VJIBVDKIST"_L1)); + // auto jobMock = Mocked(QHash{}); + // jobMock.setResult(QJsonDocument::fromJson(data)); + // auto mockKeys = collectResponse(&jobMock); + // + // auto connection = Connection::makeMockConnection("@tobiasfella:kde.org"_L1, true); + // connection->d->encryptionData->handleQueryKeys(mockKeys); + // + // QVERIFY(!connection->isUserVerified("@tobiasfella:kde.org"_L1)); + // QVERIFY(!connection->isUserVerified("@carl:kde.org"_L1)); + // QVERIFY(!connection->isUserVerified("@eve:foo.bar"_L1)); + // QVERIFY(!connection->isUserVerified("@aloy:kde.org"_L1)); + // QVERIFY(!connection->isVerifiedDevice("@tobiasfella:kde.org"_L1, "LTLVYDIVMO"_L1)); + // connection->database()->setMasterKeyVerified("iiNvK2+mJtBXj6t+FVnaPBZ4e/M/n84wPJBfUVN38OE"_L1); + // QVERIFY(connection->isUserVerified("@tobiasfella:kde.org"_L1)); + // connection->d->encryptionData->handleQueryKeys(mockKeys); + // + // QVERIFY(connection->isUserVerified("@tobiasfella:kde.org"_L1)); + // QVERIFY(connection->isUserVerified("@aloy:kde.org"_L1)); + // QVERIFY(!connection->isVerifiedDevice("@tobiasfella:kde.org"_L1, "IDEJTUJQAF"_L1)); + // QVERIFY(!connection->isVerifiedDevice("@tobiasfella:kde.org"_L1, "DEADBEEF"_L1)); + // QVERIFY(connection->isVerifiedDevice("@tobiasfella:kde.org"_L1, "LTLVYDIVMO"_L1)); + // QVERIFY(connection->isVerifiedDevice("@aloy:kde.org"_L1, "BUJGIJTVJB"_L1)); + // QVERIFY(!connection->isVerifiedDevice("@aloy:kde.org"_L1, "VJIBVDKIST"_L1)); } }; QTEST_GUILESS_MAIN(TestCrossSigning) diff --git a/autotests/testcryptoutils.cpp b/autotests/testcryptoutils.cpp deleted file mode 100644 index 3fcfdd123..000000000 --- a/autotests/testcryptoutils.cpp +++ /dev/null @@ -1,112 +0,0 @@ -// SPDX-FileCopyrightText: 2022 Tobias Fella -// -// SPDX-License-Identifier: LGPL-2.1-or-later - -#include -#include -#include -#include - -#include - -#include - -#include - -class TestCryptoUtils : public QObject -{ - Q_OBJECT -private slots: - void aesCtrEncryptDecryptData(); - void hkdfSha256ExpandKeys(); - void encryptDecryptFile(); - void pbkdfGenerateKey(); - void hmac(); - void curve25519AesEncryptDecrypt(); - void decodeBase58(); - void testEncrypted(); -}; - -using namespace Quotient; - -void TestCryptoUtils::aesCtrEncryptDecryptData() -{ - const QByteArray plain = "ABCDEF"; - const FixedBuffer key{}; - const FixedBuffer iv{}; - auto cipher = aesCtr256Encrypt(plain, key, iv); - QVERIFY(cipher.has_value()); - auto decrypted = aesCtr256Decrypt(cipher.value(), key, iv); - QVERIFY(decrypted.has_value()); - QCOMPARE(plain, decrypted.value()); -} - -void TestCryptoUtils::encryptDecryptFile() -{ - const QByteArray data = "ABCDEF"; - auto [file, cipherText] = encryptFile(data); - auto decrypted = decryptFile(cipherText, file); - // AES CTR produces ciphertext of the same size as the original - QCOMPARE(cipherText.size(), data.size()); - QCOMPARE(decrypted.size(), data.size()); - QCOMPARE(decrypted, data); -} - -void TestCryptoUtils::hkdfSha256ExpandKeys() -{ - auto result = hkdfSha256(zeroes<32>(), zeroes<32>(), zeroes<32>()); - QVERIFY(result.has_value()); - auto&& keys = result.value(); - QCOMPARE(viewAsByteArray(keys.aes()), QByteArray::fromBase64("WQvd7OvHEaSFkO5nPBLDHK9F0UW5r11S6MS83AjhHx8=")); - QCOMPARE(viewAsByteArray(keys.mac()), QByteArray::fromBase64("hZhUYGZQRYj4src+HzLcKRruQQ0wSr9kC/g105lej+s=")); -} - -void TestCryptoUtils::pbkdfGenerateKey() -{ - auto key = pbkdf2HmacSha512(QByteArrayLiteral("PASSWORD"), zeroedByteArray(32), 50000); - QVERIFY(key.has_value()); - QCOMPARE(viewAsByteArray(key.value()), QByteArray::fromBase64("ejq90XW/J2J+cgi1ASgBj94M/YrEtWRKAPnsG+rdG4w=")); -} - -void TestCryptoUtils::hmac() -{ - auto result = hmacSha256(FixedBuffer{}, QByteArray(64, 1)); - QVERIFY(result.has_value()); - QCOMPARE(result.value(), QByteArray::fromBase64("GfJTpEMByWSMA/NXBYH/KHW2qlKxSZu4r//jRsUuz24=")); -} - -void TestCryptoUtils::curve25519AesEncryptDecrypt() -{ - const auto plain = QByteArrayLiteral("ABCDEF"); - auto privateKey = zeroedByteArray(); - - auto context = makeCStruct(olm_pk_decryption, olm_pk_decryption_size, - olm_clear_pk_decryption); - const auto publicKeySize = olm_pk_key_length(); - auto publicKey = byteArrayForOlm(publicKeySize); - olm_pk_key_from_private(context.get(), publicKey.data(), publicKeySize, privateKey.data(), unsignedSize(privateKey)); - - auto encrypted = curve25519AesSha2Encrypt(plain, publicKey); - QVERIFY(encrypted.has_value()); - auto decrypted = curve25519AesSha2Decrypt(encrypted.value().ciphertext, privateKey, encrypted.value().ephemeral, encrypted.value().mac); - QVERIFY(decrypted.has_value()); - QCOMPARE(plain, decrypted.value()); -} - -void TestCryptoUtils::decodeBase58() -{ - QCOMPARE(viewAsByteArray(base58Decode(QByteArrayLiteral("ABCDEFabcdef"))).toBase64(), QByteArrayLiteral("DG3GmkxFR1TQ")); -} - -void TestCryptoUtils::testEncrypted() -{ - QByteArray key(32, '\0'); - auto text = QByteArrayLiteral("This is a message"); - auto connection = Connection::makeMockConnection("@foo:bar.com"_L1, true); - connection->database()->storeEncrypted("testKey"_L1, text); - auto decrypted = connection->database()->loadEncrypted("testKey"_L1); - QCOMPARE(text, decrypted); -} - -QTEST_GUILESS_MAIN(TestCryptoUtils) -#include "testcryptoutils.moc" diff --git a/autotests/testgroupsession.cpp b/autotests/testgroupsession.cpp deleted file mode 100644 index 6b812258a..000000000 --- a/autotests/testgroupsession.cpp +++ /dev/null @@ -1,59 +0,0 @@ -// SPDX-FileCopyrightText: 2021 Carl Schwan -// -// SPDX-License-Identifier: LGPL-2.1-or-later - -#include "testgroupsession.h" -#include -#include - -using namespace Quotient; - -void TestGroupSession::groupSessionPicklingValid() -{ - QOlmOutboundGroupSession ogs{}; - const auto ogsId = ogs.sessionId(); - QVERIFY(QByteArray::fromBase64(ogsId).size() > 0); - QCOMPARE(0, ogs.sessionMessageIndex()); - - auto&& ogsPickled = ogs.pickle(PicklingKey::mock()); - auto ogs2 = QOlmOutboundGroupSession::unpickle(std::move(ogsPickled), - PicklingKey::mock()) - .value(); - QCOMPARE(ogsId, ogs2.sessionId()); - - auto igs = QOlmInboundGroupSession::create(ogs.sessionKey()); - QVERIFY(igs.has_value()); - const auto igsId = igs->sessionId(); - // ID is valid base64? - QVERIFY(QByteArray::fromBase64(igsId).size() > 0); - - //// no messages have been sent yet - QCOMPARE(0, igs->firstKnownIndex()); - - auto igsPickled = igs->pickle(PicklingKey::mock()); - igs = QOlmInboundGroupSession::unpickle(std::move(igsPickled), - PicklingKey::mock()).value(); - QVERIFY(igs.has_value()); - QCOMPARE(igsId, igs->sessionId()); -} - -void TestGroupSession::groupSessionCryptoValid() -{ - QOlmOutboundGroupSession ogs{}; - auto igs = QOlmInboundGroupSession::create(ogs.sessionKey()); - QVERIFY(igs.has_value()); - QCOMPARE(ogs.sessionId(), igs->sessionId()); - - const auto plainText = "Hello world!"; - const auto ciphertext = ogs.encrypt(plainText); - // ciphertext valid base64? - QVERIFY(QByteArray::fromBase64(ciphertext).size() > 0); - - const auto decryptionResult = igs->decrypt(ciphertext).value(); - - //// correct plaintext? - QCOMPARE(plainText, decryptionResult.first); - - QCOMPARE(0, decryptionResult.second); -} -QTEST_GUILESS_MAIN(TestGroupSession) diff --git a/autotests/testgroupsession.h b/autotests/testgroupsession.h deleted file mode 100644 index 6edf0d160..000000000 --- a/autotests/testgroupsession.h +++ /dev/null @@ -1,14 +0,0 @@ -// SPDX-FileCopyrightText: 2021 Carl Schwan -// -// SPDX-License-Identifier: LGPL-2.1-or-later - -#include - -class TestGroupSession : public QObject -{ - Q_OBJECT - -private Q_SLOTS: - void groupSessionPicklingValid(); - void groupSessionCryptoValid(); -}; diff --git a/autotests/testkeyimport.cpp b/autotests/testkeyimport.cpp deleted file mode 100644 index 2bafbdd3b..000000000 --- a/autotests/testkeyimport.cpp +++ /dev/null @@ -1,64 +0,0 @@ -// SPDX-FileCopyrightText: 2024 Tobias Fella -// SPDX-License-Identifier: LGPL-2.1-or-later - -#include - -#include - -#include - -class TestKeyImport : public QObject -{ - Q_OBJECT -private slots: - void testImport(); - void testExport(); -}; - -using namespace Quotient; - -void TestKeyImport::testImport() -{ - KeyImport keyImport; - - auto path = QString::fromUtf8(__FILE__); - path = path.left(path.lastIndexOf(QDir::separator())); - path += "/key-export.data"_L1; - QFile file(path); - file.open(QIODevice::ReadOnly); - auto data = file.readAll(); - QVERIFY(!data.isEmpty()); - const auto result = keyImport.decrypt(QString::fromUtf8(data), u"123passphrase"_s); - QVERIFY(result.has_value()); - const auto &json = result.value(); - QCOMPARE(json.size(), 2); -} - -void TestKeyImport::testExport() -{ - KeyImport keyImport; - - QJsonArray sessions; - sessions += QJsonObject{ - { "algorithm"_L1, "m.megolm.v1.aes-sha2"_L1 }, - { "forwarding_curve25519_key_chain"_L1, QJsonArray() }, - { "room_id"_L1, "!asdf:foo.bar"_L1 }, - { "sender_claimed_keys"_L1, QJsonObject{ { "ed25519"_L1, "asdfkey"_L1 } } }, - { "sender_key"_L1, "senderkey"_L1 }, - { "session_id"_L1, "sessionidasdf"_L1 }, - { "session_key"_L1, "sessionkeyfoo"_L1 }, - - }; - auto result = keyImport.encrypt(sessions, u"a passphrase"_s); - QVERIFY(result.has_value()); - QVERIFY(result.value().size() > 0); - - auto plain = keyImport.decrypt(QString::fromLatin1(result.value()), u"a passphrase"_s); - QVERIFY(plain.has_value()); - auto value = plain.value(); - QCOMPARE(value.size(), 1); - QCOMPARE(value[0]["algorithm"_L1].toString(), "m.megolm.v1.aes-sha2"_L1); -} - -QTEST_GUILESS_MAIN(TestKeyImport) -#include "testkeyimport.moc" diff --git a/autotests/testkeyverification.cpp b/autotests/testkeyverification.cpp deleted file mode 100644 index 9e8fabb74..000000000 --- a/autotests/testkeyverification.cpp +++ /dev/null @@ -1,64 +0,0 @@ -// SPDX-FileCopyrightText: 2022 Tobias Fella -// -// SPDX-License-Identifier: LGPL-2.1-or-later - -#include "olm/sas.h" - -#include -#include - -#include -#include - -using namespace Quotient; - -class TestKeyVerificationSession : public QObject -{ - Q_OBJECT - -private Q_SLOTS: - void testOutgoing1() - { - auto connection = Connection::makeMockConnection("@carl:localhost"_L1); - const auto transactionId = "other_transaction_id"_L1; - auto session = connection->startKeyVerificationSession("@alice:localhost"_L1, "ABCDEF"_L1); - session->sendRequest(); - QVERIFY(session->state() == KeyVerificationSession::WAITINGFORREADY); - session->handleEvent(KeyVerificationReadyEvent(transactionId, "ABCDEF"_L1, {SasV1Method})); - QVERIFY(session->state() == KeyVerificationSession::WAITINGFORACCEPT); - session->handleEvent(KeyVerificationAcceptEvent(transactionId, "commitment_TODO"_L1)); - QVERIFY(session->state() == KeyVerificationSession::WAITINGFORKEY); - // Since we can't get the events sent by the session, we're limited by what we can test. This means that continuing here would force us to test - // the exact same path as the other test, which is useless. - // TODO: Test some other path once we're able to. - } - - void testIncoming1() - { - auto userId = u"@bob:localhost"_s; - auto deviceId = u"DEFABC"_s; - const auto transactionId = "trans123action123id"_L1; - auto connection = Connection::makeMockConnection("@carl:localhost"_L1); - auto session = new KeyVerificationSession(userId, KeyVerificationRequestEvent(transactionId, deviceId, {SasV1Method}, QDateTime::currentDateTime()), connection, false); - QVERIFY(session->state() == KeyVerificationSession::INCOMING); - session->sendReady(); - QVERIFY(session->state() == KeyVerificationSession::WAITINGFORACCEPT); - session->handleEvent(KeyVerificationStartEvent(transactionId, deviceId)); - QVERIFY(session->state() == KeyVerificationSession::ACCEPTED); - auto account = new QOlmAccount(userId, deviceId); - account->setupNewAccount(); - - auto sas = olm_sas(new std::byte[olm_sas_size()]); - const auto randomLength = olm_create_sas_random_length(sas); - olm_create_sas(sas, getRandom(randomLength).data(), randomLength); - QByteArray keyBytes(olm_sas_pubkey_length(sas), '\0'); - olm_sas_get_pubkey(sas, keyBytes.data(), keyBytes.size()); - session->handleEvent(KeyVerificationKeyEvent(transactionId, QString::fromLatin1(keyBytes))); - QVERIFY(session->state() == KeyVerificationSession::WAITINGFORVERIFICATION); - session->sendMac(); - QVERIFY(session->state() == KeyVerificationSession::WAITINGFORMAC); - //TODO: Send and verify the mac once we have a way of getting the KeyVerificationKeyEvent sent by the session. - } -}; -QTEST_GUILESS_MAIN(TestKeyVerificationSession) -#include "testkeyverification.moc" diff --git a/autotests/testolmaccount.cpp b/autotests/testolmaccount.cpp deleted file mode 100644 index 9c79cc127..000000000 --- a/autotests/testolmaccount.cpp +++ /dev/null @@ -1,435 +0,0 @@ -// SPDX-FileCopyrightText: 2021 Carl Schwan -// SPDX-FileCopyrightText: 2020 mtxclient developers -// -// SPDX-License-Identifier: LGPL-2.1-or-later - -#include "testolmaccount.h" - -#include -#include -#include -#include -#include -#include -#include -#include - -#include "testutils.h" - -using namespace Quotient; - -void TestOlmAccount::pickleUnpickledTest() -{ - QOlmAccount olmAccount(u"@foo:bar.com"_s, u"QuotientTestDevice"_s); - olmAccount.setupNewAccount(); - auto identityKeys = olmAccount.identityKeys(); - auto pickled = olmAccount.pickle(PicklingKey::mock()); - QOlmAccount olmAccount2(u"@foo:bar.com"_s, u"QuotientTestDevice"_s); - auto unpickleResult = olmAccount2.unpickle(std::move(pickled), - PicklingKey::mock()); - QCOMPARE(unpickleResult, 0); - auto identityKeys2 = olmAccount2.identityKeys(); - QCOMPARE(identityKeys.curve25519, identityKeys2.curve25519); - QCOMPARE(identityKeys.ed25519, identityKeys2.ed25519); -} - -void TestOlmAccount::identityKeysValid() -{ - QOlmAccount olmAccount(u"@foo:bar.com"_s, u"QuotientTestDevice"_s); - olmAccount.setupNewAccount(); - const auto identityKeys = olmAccount.identityKeys(); - const auto curve25519 = identityKeys.curve25519; - const auto ed25519 = identityKeys.ed25519; - // verify encoded keys length - QCOMPARE(curve25519.size(), 43); - QCOMPARE(ed25519.size(), 43); - - // encoded as valid base64? - QVERIFY(QByteArray::fromBase64(curve25519.toLatin1()).size() > 0); - QVERIFY(QByteArray::fromBase64(ed25519.toLatin1()).size() > 0); -} - -void TestOlmAccount::signatureValid() -{ - QOlmAccount olmAccount(u"@foo:bar.com"_s, u"QuotientTestDevice"_s); - olmAccount.setupNewAccount(); - const auto message = "Hello world!"; - const auto signature = olmAccount.sign(message); - QVERIFY(QByteArray::fromBase64(signature).size() > 0); - - QOlmUtility utility; - const auto identityKeys = olmAccount.identityKeys(); - const auto ed25519Key = identityKeys.ed25519; - QVERIFY(utility.ed25519Verify(ed25519Key.toLatin1(), message, signature)); -} - -void TestOlmAccount::oneTimeKeysValid() -{ - QOlmAccount olmAccount(u"@foo:bar.com"_s, u"QuotientTestDevice"_s); - olmAccount.setupNewAccount(); - const auto maxNumberOfOneTimeKeys = olmAccount.maxNumberOfOneTimeKeys(); - QCOMPARE(100, maxNumberOfOneTimeKeys); - - const auto oneTimeKeysEmpty = olmAccount.oneTimeKeys(); - QVERIFY(oneTimeKeysEmpty.curve25519().isEmpty()); - - olmAccount.generateOneTimeKeys(20); - const auto oneTimeKeysFilled = olmAccount.oneTimeKeys(); - QCOMPARE(20, oneTimeKeysFilled.curve25519().size()); -} - -void TestOlmAccount::deviceKeys() -{ - // copied from mtxclient - DeviceKeys device1; - device1.userId = "@alice:example.com"_L1; - device1.deviceId = "JLAFKJWSCS"_L1; - device1.keys = {{"curve25519:JLAFKJWSCS"_L1, "3C5BFWi2Y8MaVvjM8M22DBmh24PmgR0nPvJOIArzgyI"_L1}, - {"ed25519:JLAFKJWSCS"_L1, "lEuiRJBit0IG6nUf5pUzWTUEsRVVe/HJkoKuEww9ULI"_L1}}; - - // TODO that should be the default value - device1.algorithms = - QStringList { OlmV1Curve25519AesSha2AlgoKey, MegolmV1AesSha2AlgoKey }; - - device1.signatures = { - {"@alice:example.com"_L1, - {{"ed25519:JLAFKJWSCS"_L1, - "dSO80A01XiigH3uBiDVx/EjzaoycHcjq9lfQX0uWsqxl2giMIiSPR8a4d291W1ihKJL/" - "a+myXS367WT6NAIcBA"_L1}}}}; - - QJsonObject j; - JsonObjectConverter::dumpTo(j, device1); - QJsonDocument doc(j); - QCOMPARE(doc.toJson(QJsonDocument::Compact), "{\"algorithms\":[\"m.olm.v1.curve25519-aes-sha2\",\"m.megolm.v1.aes-sha2\"]," - "\"device_id\":\"JLAFKJWSCS\",\"keys\":{\"curve25519:JLAFKJWSCS\":" - "\"3C5BFWi2Y8MaVvjM8M22DBmh24PmgR0nPvJOIArzgyI\",\"ed25519:JLAFKJWSCS\":" - "\"lEuiRJBit0IG6nUf5pUzWTUEsRVVe/" - "HJkoKuEww9ULI\"},\"signatures\":{\"@alice:example.com\":{\"ed25519:JLAFKJWSCS\":" - "\"dSO80A01XiigH3uBiDVx/EjzaoycHcjq9lfQX0uWsqxl2giMIiSPR8a4d291W1ihKJL/" - "a+myXS367WT6NAIcBA\"}},\"user_id\":\"@alice:example.com\"}"); - - auto doc2 = QJsonDocument::fromJson(R"({ - "user_id": "@alice:example.com", - "device_id": "JLAFKJWSCS", - "algorithms": [ - "m.olm.v1.curve25519-aes-sha2", - "m.megolm.v1.aes-sha2" - ], - "keys": { - "curve25519:JLAFKJWSCS": "3C5BFWi2Y8MaVvjM8M22DBmh24PmgR0nPvJOIArzgyI", - "ed25519:JLAFKJWSCS": "lEuiRJBit0IG6nUf5pUzWTUEsRVVe/HJkoKuEww9ULI" - }, - "signatures": { - "@alice:example.com": { - "ed25519:JLAFKJWSCS": "dSO80A01XiigH3uBiDVx/EjzaoycHcjq9lfQX0uWsqxl2giMIiSPR8a4d291W1ihKJL/a+myXS367WT6NAIcBA" - } - }, - "unsigned": { - "device_display_name": "Alice's mobile phone" - } - })"); - - DeviceKeys device2; - JsonObjectConverter::fillFrom(doc2.object(), device2); - - QCOMPARE(device2.userId, device1.userId); - QCOMPARE(device2.deviceId, device1.deviceId); - QCOMPARE(device2.keys, device1.keys); - QCOMPARE(device2.algorithms, device1.algorithms); - QCOMPARE(device2.signatures, device1.signatures); - - // UnsignedDeviceInfo is missing from the generated DeviceKeys object :( - // QCOMPARE(device2.unsignedInfo.deviceDisplayName, "Alice's mobile phone"); -} - -void TestOlmAccount::encryptedFile() -{ - auto doc = QJsonDocument::fromJson(R"({ - "url": "mxc://example.org/FHyPlCeYUSFFxlgbQYZmoEoe", - "v": "v2", - "key": { - "alg": "A256CTR", - "ext": true, - "k": "aWF6-32KGYaC3A_FEUCk1Bt0JA37zP0wrStgmdCaW-0", - "key_ops": ["encrypt","decrypt"], - "kty": "oct" - }, - "iv": "w+sE15fzSc0AAAAAAAAAAA", - "hashes": { - "sha256": "fdSLu/YkRx3Wyh3KQabP3rd6+SFiKg5lsJZQHtkSAYA" - }})"); - - const auto file = fromJson(doc); - - QCOMPARE(file.v, "v2"_L1); - QCOMPARE(file.iv, "w+sE15fzSc0AAAAAAAAAAA"_L1); - QCOMPARE(file.hashes["sha256"_L1], "fdSLu/YkRx3Wyh3KQabP3rd6+SFiKg5lsJZQHtkSAYA"_L1); - QCOMPARE(file.key.alg, "A256CTR"_L1); - QCOMPARE(file.key.ext, true); - QCOMPARE(file.key.k, "aWF6-32KGYaC3A_FEUCk1Bt0JA37zP0wrStgmdCaW-0"_L1); - QCOMPARE(file.key.keyOps.size(), 2); - QCOMPARE(file.key.kty, "oct"_L1); -} - -void TestOlmAccount::uploadIdentityKey() -{ - CREATE_CONNECTION(conn, "alice1"_L1, "secret"_L1, "AlicePhone"_L1) - - auto olmAccount = conn->olmAccount(); - auto idKeys = olmAccount->identityKeys(); - - QVERIFY(idKeys.curve25519.size() > 10); - - UnsignedOneTimeKeys unused; - auto request = olmAccount->createUploadKeyRequest(unused); - connect(request, &BaseJob::result, this, [request] { - if (!request->status().good()) - QFAIL("upload failed"); - const auto& oneTimeKeyCounts = request->oneTimeKeyCounts(); - // Allow the response to have entries with zero counts - QCOMPARE(std::accumulate(oneTimeKeyCounts.begin(), - oneTimeKeyCounts.end(), 0), - 0); - }); - conn->run(request); - QSignalSpy spy3(request, &BaseJob::result); - QVERIFY(spy3.wait(10000)); -} - -void TestOlmAccount::uploadOneTimeKeys() -{ - CREATE_CONNECTION(conn, "alice2"_L1, "secret"_L1, "AlicePhone"_L1) - auto olmAccount = conn->olmAccount(); - - auto nKeys = olmAccount->generateOneTimeKeys(5); - QCOMPARE(nKeys, 5); - - const auto oneTimeKeys = olmAccount->oneTimeKeys(); - - OneTimeKeys oneTimeKeysHash; - for (const auto& [keyId, key] : oneTimeKeys.curve25519().asKeyValueRange()) - oneTimeKeysHash["curve25519:"_L1 + keyId] = key; - - const auto uploadFuture = conn->callApi(std::nullopt, oneTimeKeysHash) - .then( - [](const QHash& oneTimeKeyCounts) { - QCOMPARE(oneTimeKeyCounts.value(Curve25519Key), 5); - }, - [] { QFAIL("upload failed"); }); - QVERIFY(waitForFuture(uploadFuture)); -} - -void TestOlmAccount::uploadSignedOneTimeKeys() -{ - CREATE_CONNECTION(conn, "alice3"_L1, "secret"_L1, "AlicePhone"_L1) - auto olmAccount = conn->olmAccount(); - auto nKeys = olmAccount->generateOneTimeKeys(5); - QCOMPARE(nKeys, 5); - - auto oneTimeKeys = olmAccount->oneTimeKeys(); - auto oneTimeKeysHash = olmAccount->signOneTimeKeys(oneTimeKeys); - const auto uploadFuture = - conn->callApi(std::nullopt, oneTimeKeysHash) - .then( - [nKeys](const QHash& oneTimeKeyCounts) { - QCOMPARE(oneTimeKeyCounts.value(SignedCurve25519Key), nKeys); - }, - [] { QFAIL("upload failed"); }); - QVERIFY(waitForFuture(uploadFuture)); -} - -void TestOlmAccount::uploadKeys() -{ - CREATE_CONNECTION(conn, "alice4"_L1, "secret"_L1, "AlicePhone"_L1) - auto olmAccount = conn->olmAccount(); - auto idks = olmAccount->identityKeys(); - olmAccount->generateOneTimeKeys(1); - auto otks = olmAccount->oneTimeKeys(); - auto request = conn->run(olmAccount->createUploadKeyRequest(otks)) - .then( - [](const QHash& oneTimeKeyCounts) { - QCOMPARE(oneTimeKeyCounts.value(SignedCurve25519Key), 1); - }, - [] { QFAIL("upload failed"); }); - QVERIFY(waitForFuture(request)); -} - -void TestOlmAccount::queryTest() -{ - CREATE_CONNECTION(alice, "alice5"_L1, "secret"_L1, "AlicePhone"_L1) - CREATE_CONNECTION(bob, "bob1"_L1, "secret"_L1, "BobPhone"_L1) - - // Create and upload keys for both users. - auto aliceOlm = alice->olmAccount(); - aliceOlm->generateOneTimeKeys(1); - const auto aliceUploadKeysRequest = - alice->run(aliceOlm->createUploadKeyRequest(aliceOlm->oneTimeKeys())) - .then([](const QHash& aliceOneTimeKeyCounts) { - QCOMPARE(aliceOneTimeKeyCounts.value(SignedCurve25519Key), 1); - }); - QVERIFY(waitForFuture(aliceUploadKeysRequest)); - - auto bobOlm = bob->olmAccount(); - bobOlm->generateOneTimeKeys(1); - const auto bobUploadKeysRequest = - bob->run(bobOlm->createUploadKeyRequest(aliceOlm->oneTimeKeys())) - .then([](const QHash& bobOneTimeKeyCounts) { - QCOMPARE(bobOneTimeKeyCounts.value(SignedCurve25519Key), 1); - }); - QVERIFY(waitForFuture(bobUploadKeysRequest)); - - // Each user is requests each other's keys. - const QHash deviceKeysForBob{ { bob->userId(), {} } }; - const auto queryBobKeysResult = - alice->callApi(deviceKeysForBob) - .then([bob, bobOlm](const QueryKeysJob::Response& r) { - QCOMPARE(r.failures.size(), 0); - - const auto& aliceDevices = r.deviceKeys.value(bob->userId()); - QVERIFY(!aliceDevices.empty()); - - const auto& aliceDevKeys = aliceDevices.value(bob->deviceId()); - QCOMPARE(aliceDevKeys.userId, bob->userId()); - QCOMPARE(aliceDevKeys.deviceId, bob->deviceId()); - QCOMPARE(aliceDevKeys.keys, bobOlm->deviceKeys().keys); - QCOMPARE(aliceDevKeys.signatures, bobOlm->deviceKeys().signatures); - }); - QVERIFY(waitForFuture(queryBobKeysResult)); - - const QHash deviceKeysForAlice{ { alice->userId(), {} } }; - const auto queryAliceKeysResult = - bob->callApi(deviceKeysForAlice) - .then([alice, aliceOlm](const QueryKeysJob::Response& r) { - QCOMPARE(r.failures.size(), 0); - - const auto& bobDevices = r.deviceKeys.value(alice->userId()); - QVERIFY(!bobDevices.empty()); - - auto devKeys = bobDevices[alice->deviceId()]; - QCOMPARE(devKeys.userId, alice->userId()); - QCOMPARE(devKeys.deviceId, alice->deviceId()); - QCOMPARE(devKeys.keys, aliceOlm->deviceKeys().keys); - QCOMPARE(devKeys.signatures, aliceOlm->deviceKeys().signatures); - }); - QVERIFY(waitForFuture(queryAliceKeysResult)); -} - -void TestOlmAccount::claimKeys() -{ - CREATE_CONNECTION(alice, "alice6"_L1, "secret"_L1, "AlicePhone"_L1) - CREATE_CONNECTION(bob, "bob2"_L1, "secret"_L1, "BobPhone"_L1) - - // Bob uploads his keys. - auto *bobOlm = bob->olmAccount(); - bobOlm->generateOneTimeKeys(1); - auto request = bob->run(bobOlm->createUploadKeyRequest(bobOlm->oneTimeKeys())) - .then([bob](const QHash& oneTimeKeyCounts) { - QCOMPARE(oneTimeKeyCounts.value(SignedCurve25519Key), 1); - }); - QVERIFY(waitForFuture(request)); - - // Alice retrieves bob's keys & claims one signed one-time key. - const QHash deviceKeysToQuery{ { bob->userId(), {} } }; - const auto queryKeysJob = - alice->callApi(deviceKeysToQuery).then([bob](const QueryKeysJob::Response& r) { - const auto& bobDevices = r.deviceKeys.value(bob->userId()); - QVERIFY(!bobDevices.empty()); - - QVERIFY(verifyIdentitySignature(bobDevices.value(bob->deviceId()), bob->deviceId(), - bob->userId())); - }); - QVERIFY(waitForFuture(queryKeysJob)); - - // Retrieve the identity key for the current device to check after claiming - // const auto& bobEd25519 = - // bobDevices.value(bob->deviceId()).keys.value("ed25519:"_L1 + bob->deviceId()); - - const QHash> oneTimeKeys{ - { bob->userId(), { { bob->deviceId(), SignedCurve25519Key } } } - }; - const auto claimKeysJob = - alice->callApi(oneTimeKeys) - .then( - [bob](const ClaimKeysJob::Response& r) { - // The device exists. - QCOMPARE(r.oneTimeKeys.size(), 1); - const auto& allClaimedKeys = r.oneTimeKeys.value(bob->userId()); - QCOMPARE(allClaimedKeys.size(), 1); - - // The key is the one bob sent. - const auto& claimedDeviceKeys = allClaimedKeys.value(bob->deviceId()); - for (const auto& claimedKey : claimedDeviceKeys.asKeyValueRange()) { - if (!claimedKey.first.startsWith(SignedCurve25519Key)) - continue; - QVERIFY(std::holds_alternative(claimedKey.second)); - } - }, - [] { QFAIL("Claim job failed"); }); - QVERIFY(waitForFuture(claimKeysJob)); -} - -void TestOlmAccount::claimMultipleKeys() -{ - // Login with alice multiple times - CREATE_CONNECTION(alice, "alice7"_L1, "secret"_L1, "AlicePhone"_L1) - CREATE_CONNECTION(alice1, "alice7"_L1, "secret"_L1, "AlicePhone"_L1) - CREATE_CONNECTION(alice2, "alice7"_L1, "secret"_L1, "AlicePhone"_L1) - - auto olm = alice->olmAccount(); - olm->generateOneTimeKeys(10); - const auto aliceUploadKeyRequest = - alice->run(olm->createUploadKeyRequest(olm->oneTimeKeys())) - .then([](const QHash& oneTimeKeyCounts) { - QCOMPARE(oneTimeKeyCounts.value(SignedCurve25519Key), 10); - }); - QVERIFY(waitForFuture(aliceUploadKeyRequest)); - - auto olm1 = alice1->olmAccount(); - olm1->generateOneTimeKeys(10); - const auto alice1UploadKeyRequest = - alice1->run(olm1->createUploadKeyRequest(olm1->oneTimeKeys())) - .then([](const QHash& oneTimeKeyCounts) { - QCOMPARE(oneTimeKeyCounts.value(SignedCurve25519Key), 10); - }); - QVERIFY(waitForFuture(alice1UploadKeyRequest)); - - auto olm2 = alice2->olmAccount(); - olm2->generateOneTimeKeys(10); - const auto alice2UploadKeyRequest = - alice2->run(olm2->createUploadKeyRequest(olm2->oneTimeKeys())) - .then([](const QHash& oneTimeKeyCounts) { - QCOMPARE(oneTimeKeyCounts.value(SignedCurve25519Key), 10); - }); - QVERIFY(waitForFuture(alice2UploadKeyRequest)); - - // Bob will claim keys from all Alice's devices - CREATE_CONNECTION(bob, "bob3"_L1, "secret"_L1, "BobPhone"_L1) - - QHash> oneTimeKeys; - auto keyRequests = oneTimeKeys.insert(alice->userId(), {}); - for (const auto& c : { alice, alice1, alice2 }) - keyRequests->insert(c->deviceId(), SignedCurve25519Key); - - const auto claimResult = - bob->callApi(oneTimeKeys).then([alice](const ClaimKeysJob::Response& r) { - QCOMPARE(r.oneTimeKeys.value(alice->userId()).size(), 3); - }); - QVERIFY(waitForFuture(claimResult)); -} - -void TestOlmAccount::enableEncryption() -{ - CREATE_CONNECTION(alice, "alice9"_L1, "secret"_L1, "AlicePhone"_L1) - - const auto futureRoom = alice->createRoom(Connection::PublishRoom, {}, {}, {}, {}) - .then([alice](const QString& roomId) { - auto room = alice->room(roomId); - room->activateEncryption(); - return room; - }); - QVERIFY(waitForFuture(futureRoom)); - alice->syncLoop(); - QVERIFY(QTest::qWaitFor([room = futureRoom.result()] { return room->usesEncryption(); }, 20000)); -} - -QTEST_GUILESS_MAIN(TestOlmAccount) diff --git a/autotests/testolmaccount.h b/autotests/testolmaccount.h deleted file mode 100644 index 367092f63..000000000 --- a/autotests/testolmaccount.h +++ /dev/null @@ -1,32 +0,0 @@ -// SPDX-FileCopyrightText: 2021 Carl Schwan -// -// SPDX-License-Identifier: LGPL-2.1-or-later - -#include -#include - -namespace Quotient { - class Connection; -} - -class TestOlmAccount : public QObject -{ - Q_OBJECT - -private Q_SLOTS: - void pickleUnpickledTest(); - void identityKeysValid(); - void signatureValid(); - void oneTimeKeysValid(); - //void removeOneTimeKeys(); - void deviceKeys(); - void encryptedFile(); - void uploadIdentityKey(); - void uploadOneTimeKeys(); - void uploadSignedOneTimeKeys(); - void uploadKeys(); - void queryTest(); - void claimKeys(); - void claimMultipleKeys(); - void enableEncryption(); -}; diff --git a/autotests/testolmsession.cpp b/autotests/testolmsession.cpp deleted file mode 100644 index 46049393e..000000000 --- a/autotests/testolmsession.cpp +++ /dev/null @@ -1,85 +0,0 @@ -// SPDX-FileCopyrightText: 2021 Carl Schwan -// -// SPDX-License-Identifier: LGPL-2.1-or-later - -#include -#include -#include "testolmsession.h" - -using namespace Quotient; - -std::pair createSessionPair() -{ - QByteArray pickledAccountA("eOBXIKivUT6YYowRH031BNv7zNmzqM5B7CpXdyeaPvala5mt7/OeqrG1qVA7vA1SYloFyvJPIy0QNkD3j1HiPl5vtZHN53rtfZ9exXDok03zjmssqn4IJsqcA7Fbo1FZeKafG0NFcWwCPTdmcV7REqxjqGm3I4K8MQFa45AdTGSUu2C12cWeOcbSMlcINiMral+Uyah1sgPmLJ18h1qcnskXUXQvpffZ5DiUw1Iz5zxnwOQF1GVyowPJD7Zdugvj75RQnDxAn6CzyvrY2k2CuedwqDC3fIXM2xdUNWttW4nC2g4InpBhCVvNwhZYxlUb5BUEjmPI2AB3dAL5ry6o9MFncmbN6x5x"); - QByteArray pickledAccountB("eModTvoFi9oOIkax4j4nuxw9Tcl/J8mOmUctUWI68Q89HSaaPTqR+tdlKQ85v2GOs5NlZCp7EuycypN9GQ4fFbHUCrS7nspa3GFBWsR8PnM8+wez5PWmfFZLg3drOvT0jbMjpDx0MjGYClHBqcrEpKx9oFaIRGBaX6HXzT4lRaWSJkXxuX92q8iGNrLn96PuAWFNcD+2JXpPcNFntslwLUNgqzpZ04aIFYwL80GmzyOgq3Bz1GO6u3TgCQEAmTIYN2QkO0MQeuSfe7UoMumhlAJ6R8GPcdSSPtmXNk4tdyzzlgpVq1hm7ZLKto+g8/5Aq3PvnvA8wCqno2+Pi1duK1pZFTIlActr"); - auto accountA = QOlmAccount(u"accountA:foo.com"_s, u"Device1UserA"_s); - if (accountA.unpickle(std::move(pickledAccountA), PicklingKey::mock()) - != OLM_SUCCESS) - qFatal("Failed to unpickle account A: %s", accountA.lastError()); - - auto accountB = QOlmAccount(u"accountB:foo.com"_s, u"Device1UserB"_s); - if (accountB.unpickle(std::move(pickledAccountB), PicklingKey::mock()) - != OLM_SUCCESS) - qFatal("Failed to unpickle account B: %s", accountB.lastError()); - - //const auto identityKeyA = "qIEr3TWcJQt4CP8QoKKJcCaukByIOpgh6erBkhLEa2o"_ba; - //const auto oneTimeKeyA = "WzsbsjD85iB1R32iWxfJdwkgmdz29ClMbJSJziECYwk"_ba; - const auto identityKeyB = "q/YhJtog/5VHCAS9rM9uUf6AaFk1yPe4GYuyUOXyQCg"_ba; - const auto oneTimeKeyB = "oWvzryma+B2onYjo3hM6A3Mgo/Yepm8HvgSvwZMTnjQ"_ba; - auto outbound = accountA.createOutboundSession(identityKeyB, oneTimeKeyB).value(); - - const auto preKey = outbound.encrypt(""); // Payload does not matter for PreKey - - if (preKey.type() != QOlmMessage::PreKey) { - // We can't call QFail here because it's an helper function returning a value - throw "Wrong first message type received, can't create session"; - } - auto inbound = accountB.createInboundSession(preKey).value(); - return { std::move(inbound), std::move(outbound) }; -} - -void TestOlmSession::olmOutboundSessionCreation() -{ - const auto [_, outboundSession] = createSessionPair(); - QCOMPARE(0, outboundSession.hasReceivedMessage()); -} - -void TestOlmSession::olmEncryptDecrypt() -{ - const auto [inboundSession, outboundSession] = createSessionPair(); - const auto encrypted = outboundSession.encrypt("Hello world!"); - if (encrypted.type() == QOlmMessage::PreKey) { - QOlmMessage m(encrypted); // clone - QVERIFY(inboundSession.matchesInboundSession(m)); - } - - const auto decrypted = inboundSession.decrypt(encrypted).value(); - - QCOMPARE(decrypted, "Hello world!"); -} - -void TestOlmSession::correctSessionOrdering() -{ - // n0W5IJ2ZmaI9FxKRj/wohUQ6WEU0SfoKsgKKHsr4VbM - auto session1 = QOlmSession::unpickle("7g5cfQRsDk2ROXf9S01n2leZiFRon+EbvXcMOADU0UGvlaV6t/0ihD2/0QGckDIvbmE1aV+PxB0zUtHXh99bI/60N+PWkCLA84jEY4sz3d45ui/TVoFGLDHlymKxvlj7XngXrbtlxSkVntsPzDiNpKEXCa26N2ubKpQ0fbjrV5gbBTYWfU04DXHPXFDTksxpNALYt/h0eVMVhf6hB0ZzpLBsOG0mpwkLufwub0CuDEDGGmRddz3TcNCLq5NnI8R9udDWvHAkTS1UTbHuIf/y6cZg875nJyXpAvd8/XhL8TOo8ot2sE1fElBa4vrH/m9rBQMC1GPkhLBIizmY44C+Sq9PQRnF+uCZ", PicklingKey::mock()).value(); - // +9pHJhP3K4E5/2m8PYBPLh8pS9CJodwUOh8yz3mnmw0 - auto session2 = QOlmSession::unpickle("7g5cfQRsDk2ROXf9S01n2leZiFRon+EbvXcMOADU0UFD+q37/WlfTAzQsSjCdD07FcErZ4siEy5vpiB+pyO8i53ptZvb2qRvqNKFzPaXuu33PS2PBTmmnR+kJt+DgDNqWadyaj/WqEAejc7ALqSs5GuhbZtpoLe+lRSRK0rwVX3gzz4qrl8pm0pD5pSZAUWRXDRlieGWMclz68VUvnSaQH7ElTo4S634CJk+xQfFFCD26v0yONPSN6rwouS1cWPuG5jTlnV8vCFVTU2+lduKh54Ko6FUJ/ei4xR8Nk2duBGSc/TdllX9e2lDYHSUkWoD4ti5xsFioB8Blus7JK9BZfcmRmdlxIOD", PicklingKey::mock()).value(); - // MC7n8hX1l7WlC2/WJGHZinMocgiBZa4vwGAOredb/ME - auto session3 = QOlmSession::unpickle("7g5cfQRsDk2ROXf9S01n2leZiFRon+EbvXcMOADU0UGNk2TmVDJ95K0Nywf24FNklNVtXtFDiFPHFwNSmCbHNCp3hsGtZlt0AHUkMmL48XklLqzwtVk5/v2RRmSKR5LqYdIakrtuK/fY0ENhBZIbI1sRetaJ2KMbY9l6rCJNfFg8VhpZ4KTVvEZVuP9g/eZkCnP5NxzXiBRF6nfY3O/zhcKxa3acIqs6BMhyLsfuJ80t+hQ1HvVyuhBerGujdSDzV9tJ9SPidOwfYATk81LVF9hTmnI0KaZa7qCtFzhG0dU/Z3hIWH9HOaw1aSB/IPmughbwdJOwERyhuo3YHoznlQnJ7X252BlI", PicklingKey::mock()).value(); - - const auto session1Id = session1.sessionId(); - const auto session2Id = session2.sessionId(); - const auto session3Id = session3.sessionId(); - - std::vector sessionList; - sessionList.push_back(std::move(session1)); - sessionList.push_back(std::move(session2)); - sessionList.push_back(std::move(session3)); - - std::sort(sessionList.begin(), sessionList.end()); - QCOMPARE(sessionList[0].sessionId(), session2Id); - QCOMPARE(sessionList[1].sessionId(), session3Id); - QCOMPARE(sessionList[2].sessionId(), session1Id); -} - -QTEST_GUILESS_MAIN(TestOlmSession) diff --git a/autotests/testolmsession.h b/autotests/testolmsession.h deleted file mode 100644 index 9a5798fa3..000000000 --- a/autotests/testolmsession.h +++ /dev/null @@ -1,14 +0,0 @@ -// SPDX-FileCopyrightText: 2021 Carl Schwan -// -// SPDX-License-Identifier: LGPL-2.1-or-later - -#include - -class TestOlmSession : public QObject -{ - Q_OBJECT -private Q_SLOTS: - void olmOutboundSessionCreation(); - void olmEncryptDecrypt(); - void correctSessionOrdering(); -}; diff --git a/autotests/testolmutility.cpp b/autotests/testolmutility.cpp deleted file mode 100644 index f15eb7816..000000000 --- a/autotests/testolmutility.cpp +++ /dev/null @@ -1,118 +0,0 @@ -// SPDX-FileCopyrightText: 2021 Carl Schwan -// -// SPDX-License-Identifier: LGPL-2.1-or-later - -#include "testolmutility.h" -#include -#include - -#include - -using namespace Quotient; - -void TestOlmUtility::canonicalJSON() -{ - // Examples taken from - // https://matrix.org/docs/spec/appendices.html#canonical-json - auto data = QJsonDocument::fromJson(QByteArrayLiteral(R"({ - "auth": { - "success": true, - "mxid": "@john.doe:example.com", - "profile": { - "display_name": "John Doe", - "three_pids": [{ - "medium": "email", - "address": "john.doe@example.org" - }, { - "medium": "msisdn", - "address": "123456789" - }] - }}})")); - - QCOMPARE(data.toJson(QJsonDocument::Compact), - "{\"auth\":{\"mxid\":\"@john.doe:example.com\",\"profile\":{\"display_name\":\"John " - "Doe\",\"three_pids\":[{\"address\":\"john.doe@example.org\",\"medium\":\"email\"},{" - "\"address\":\"123456789\",\"medium\":\"msisdn\"}]},\"success\":true}}"); - - auto data0 = QJsonDocument::fromJson(QByteArrayLiteral(R"({"b":"2","a":"1"})")); - QCOMPARE(data0.toJson(QJsonDocument::Compact), "{\"a\":\"1\",\"b\":\"2\"}"); - - auto data1 = QJsonDocument::fromJson(QByteArrayLiteral(R"({ "本": 2, "æ—¥": 1 })")); - QCOMPARE(data1.toJson(QJsonDocument::Compact), "{\"æ—¥\":1,\"本\":2}"); - - auto data2 = QJsonDocument::fromJson(QByteArrayLiteral(R"({"a": "\u65E5"})")); - QCOMPARE(data2.toJson(QJsonDocument::Compact), "{\"a\":\"æ—¥\"}"); - - auto data3 = QJsonDocument::fromJson(QByteArrayLiteral(R"({ "a": null })")); - QCOMPARE(data3.toJson(QJsonDocument::Compact), "{\"a\":null}"); -} - -void TestOlmUtility::verifySignedOneTimeKey() -{ - QOlmAccount aliceOlm(u"@alice:matrix.org"_s, u"aliceDevice"_s); - aliceOlm.setupNewAccount(); - aliceOlm.generateOneTimeKeys(1); - auto keys = aliceOlm.oneTimeKeys(); - - auto firstKey = *keys.curve25519().begin(); - auto msgObj = QJsonObject({{"key"_L1, firstKey}}); - auto sig = aliceOlm.sign(msgObj); - - auto msg = QJsonDocument(msgObj).toJson(QJsonDocument::Compact); - - auto utilityBuf = new uint8_t[olm_utility_size()]; - auto utility = olm_utility(utilityBuf); - - - QByteArray signatureBuf1(sig.size(), '\0'); - std::copy(sig.begin(), sig.end(), signatureBuf1.begin()); - - auto res = - olm_ed25519_verify(utility, - aliceOlm.identityKeys().ed25519.toLatin1().data(), - aliceOlm.identityKeys().ed25519.size(), msg.data(), - msg.size(), sig.data(), sig.size()); - - QCOMPARE(olm_utility_last_error_code(utility), OLM_SUCCESS); - QCOMPARE(res, 0); - - delete[](reinterpret_cast(utility)); - - QOlmUtility utility2; - auto res2 = - utility2.ed25519Verify(aliceOlm.identityKeys().ed25519.toLatin1(), msg, - signatureBuf1); - - //QCOMPARE(std::string(olm_utility_last_error(utility)), "SUCCESS"); - QVERIFY(res2); -} - -void TestOlmUtility::validUploadKeysRequest() -{ - const auto userId = u"@alice:matrix.org"_s; - const auto deviceId = u"FKALSOCCC"_s; - - QOlmAccount alice { userId, deviceId }; - alice.setupNewAccount(); - alice.generateOneTimeKeys(1); - - auto idSig = alice.signIdentityKeys(); - - const QJsonObject body{ - { "algorithms"_L1, toJson(SupportedAlgorithms) }, - { "user_id"_L1, userId }, - { "device_id"_L1, deviceId }, - { "keys"_L1, QJsonObject{ { "curve25519:"_L1 + deviceId, alice.identityKeys().curve25519 }, - { "ed25519:"_L1 + deviceId, alice.identityKeys().ed25519 } } }, - { "signatures"_L1, QJsonObject{ { userId, QJsonObject{ { "ed25519:"_L1 + deviceId, - QString::fromLatin1(idSig) } } } } } - }; - - const auto deviceKeys = alice.deviceKeys(); - QCOMPARE(QJsonDocument(toJson(deviceKeys)).toJson(QJsonDocument::Compact), - QJsonDocument(body).toJson(QJsonDocument::Compact)); - - QVERIFY(verifyIdentitySignature(fromJson(body), deviceId, userId)); - QVERIFY(verifyIdentitySignature(deviceKeys, deviceId, userId)); -} -QTEST_GUILESS_MAIN(TestOlmUtility) diff --git 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+[build-dependencies] +cxx-build = "1.0" + +[profile.release] +strip = true +opt-level = "z" +lto = true +codegen-units = 1 diff --git a/matrix-rust-sdk-crypto/build.rs b/matrix-rust-sdk-crypto/build.rs new file mode 100644 index 000000000..156626a3b --- /dev/null +++ b/matrix-rust-sdk-crypto/build.rs @@ -0,0 +1,8 @@ +use cxx_build::CFG; + +fn main() { + CFG.include_prefix = "matrix-rust-sdk-crypto"; + cxx_build::bridge("src/lib.rs") + .std("c++20") + .compile("matrix-rust-sdk-crypto"); +} diff --git a/matrix-rust-sdk-crypto/src/lib.rs b/matrix-rust-sdk-crypto/src/lib.rs new file mode 100644 index 000000000..5ab6f2599 --- /dev/null +++ b/matrix-rust-sdk-crypto/src/lib.rs @@ -0,0 +1,892 @@ +use std::{ + collections::{BTreeMap, HashMap}, mem::ManuallyDrop, ops::Deref, path::Path, time::Duration +}; + +use matrix_sdk_common::ruma::{ + api::client::{ + backup::add_backup_keys, + keys::{ + claim_keys::{self, v3::OneTimeKeys}, + get_keys, upload_keys, + upload_signatures::{self, v3::Failure}, + }, + message::send_message_event, + sync::sync_events::DeviceLists, + to_device, + }, encryption::{CrossSigningKey, DeviceKeys}, events::{AnyToDeviceEvent, AnyToDeviceEventContent}, serde::Raw, to_device::DeviceIdOrAllDevices, DeviceId, DeviceKeyAlgorithm, EventId, OwnedDeviceId, OwnedUserId, RoomId, UInt, UserId +}; + +use matrix_sdk_crypto::{EncryptionSettings, EncryptionSyncChanges, IncomingResponse, OlmMachine, OutgoingRequests, OutgoingVerificationRequest, UserIdentities, VerificationRequest}; +use matrix_sdk_sqlite::SqliteCryptoStore; +use serde::Deserialize; +use matrix_sdk_crypto::Sas; + +struct CryptoMachine { + runtime: tokio::runtime::Runtime, + machine: Option>, + sas: Option>>>, +} + +impl Drop for CryptoMachine { + fn drop(&mut self) { + self.runtime.block_on(async { + let machine = self.machine.take().unwrap(); + drop(ManuallyDrop::into_inner(machine)); + let sas = self.sas.take().unwrap(); + drop(ManuallyDrop::into_inner(sas)); + }) + } +} + +fn init(user_id: String, device_id: String) -> Box { + let rt = tokio::runtime::Runtime::new().unwrap(); + let _ = rt.enter(); + + let machine = rt.block_on(async { + let user_id = UserId::parse(user_id).unwrap(); + let device_id: Box = device_id.into(); + + let store = SqliteCryptoStore::open(Path::new("/home/tobias/quo_sto_cry_wtf.sqlite"), "foobar123".into()).await.unwrap(); + + OlmMachine::with_store(&user_id, &device_id, store) + .await + .unwrap() + }); + + Box::new(CryptoMachine { + runtime: rt, + machine: Some(ManuallyDrop::new(machine)), + sas: Some(ManuallyDrop::new(HashMap::new())), + }) +} + +struct KeysClaimRequest { + id: String, + timeout: Option, + one_time_keys: BTreeMap>, +} + +impl KeysClaimRequest { + fn id(&self) -> String { + self.id.clone() + } + fn timeout(&self) -> usize { + self.timeout.unwrap_or(Duration::from_millis(0)).as_millis() as usize + } + fn one_time_keys(&self) -> String { + serde_json::to_string(&self.one_time_keys).unwrap() + } +} + +struct ToDeviceRequest { + event_type: String, + txn_id: String, + messages: BTreeMap>>, +} + +impl ToDeviceRequest { + fn event_type(&self) -> String { + self.event_type.clone() + } + fn txn_id(&self) -> String { + self.txn_id.clone() + } + fn messages(&self) -> String { + serde_json::to_string(&self.messages).unwrap() + } +} + +struct OutgoingRequest(matrix_sdk_crypto::requests::OutgoingRequest); + +impl OutgoingRequest { + fn id(&self) -> String { + self.0.request_id().to_string() + } + + fn request_type(&self) -> u8 { + match self.0.request() { + OutgoingRequests::KeysUpload(_) => 0, + OutgoingRequests::KeysQuery(_) => 1, + OutgoingRequests::KeysClaim(_) => 2, + OutgoingRequests::ToDeviceRequest(_) => 3, + OutgoingRequests::SignatureUpload(_) => 4, + OutgoingRequests::RoomMessage(_) => 5, + OutgoingRequests::KeysBackup(_) => 6, + } + } + + fn keys_upload_device_keys(&self) -> String { + if let OutgoingRequests::KeysUpload(request) = self.0.request() { + serde_json::to_string(&request.device_keys).unwrap() + } else { + panic!() + } + } + + fn keys_upload_fallback_keys(&self) -> String { + if let OutgoingRequests::KeysUpload(request) = self.0.request() { + serde_json::to_string(&request.fallback_keys).unwrap() + } else { + panic!() + } + } + + fn keys_upload_one_time_keys(&self) -> String { + if let OutgoingRequests::KeysUpload(request) = self.0.request() { + serde_json::to_string(&request.one_time_keys).unwrap() + } else { + panic!() + } + } + + fn keys_query_device_keys(&self) -> String { + if let OutgoingRequests::KeysQuery(request) = self.0.request() { + serde_json::to_string(&request.device_keys).unwrap() + } else { + panic!() + } + } + + fn keys_query_timeout(&self) -> usize { + if let OutgoingRequests::KeysQuery(request) = self.0.request() { + request + .timeout + .unwrap_or(Duration::from_millis(0)) + .as_millis() as usize + } else { + panic!() + } + } + + fn keys_claim_one_time_keys(&self) -> String { + if let OutgoingRequests::KeysClaim(request) = self.0.request() { + serde_json::to_string(&request.one_time_keys).unwrap() + } else { + panic!() + } + } + + fn to_device_event_type(&self) -> String { + if let OutgoingRequests::ToDeviceRequest(request) = self.0.request() { + request.event_type.to_string() + } else { + panic!() + } + } + + fn to_device_txn_id(&self) -> String { + if let OutgoingRequests::ToDeviceRequest(request) = self.0.request() { + request.txn_id.to_string() + } else { + panic!() + } + } + + fn to_device_messages(&self) -> String { + if let OutgoingRequests::ToDeviceRequest(request) = self.0.request() { + serde_json::to_string(&request.messages).unwrap() + } else { + panic!() + } + } + + fn room_msg_room_id(&self) -> String { + if let OutgoingRequests::RoomMessage(request) = self.0.request() { + request.room_id.to_string() + } else { + panic!() + } + } + + fn room_msg_txn_id(&self) -> String { + if let OutgoingRequests::RoomMessage(request) = self.0.request() { + request.txn_id.to_string() + } else { + panic!() + } + } + + fn room_msg_content(&self) -> String { + if let OutgoingRequests::RoomMessage(request) = self.0.request() { + serde_json::to_string(&request.content).unwrap() + } else { + panic!() + } + } + + fn room_msg_matrix_type(&self) -> String { + if let OutgoingRequests::RoomMessage(request) = self.0.request() { + match request.content { + matrix_sdk_common::ruma::events::AnyMessageLikeEventContent::CallAnswer(_) => panic!(), + matrix_sdk_common::ruma::events::AnyMessageLikeEventContent::CallInvite(_) => panic!(), + matrix_sdk_common::ruma::events::AnyMessageLikeEventContent::CallHangup(_) => panic!(), + matrix_sdk_common::ruma::events::AnyMessageLikeEventContent::CallCandidates(_) => panic!(), + matrix_sdk_common::ruma::events::AnyMessageLikeEventContent::CallNegotiate(_) => panic!(), + matrix_sdk_common::ruma::events::AnyMessageLikeEventContent::CallReject(_) => panic!(), + matrix_sdk_common::ruma::events::AnyMessageLikeEventContent::CallSelectAnswer(_) => panic!(), + matrix_sdk_common::ruma::events::AnyMessageLikeEventContent::KeyVerificationReady(_) => "m.key.verification.ready".to_string(), + matrix_sdk_common::ruma::events::AnyMessageLikeEventContent::KeyVerificationStart(_) => "m.key.verification.start".to_string(), + matrix_sdk_common::ruma::events::AnyMessageLikeEventContent::KeyVerificationCancel(_) => "m.key.verification.cancel".to_string(), + matrix_sdk_common::ruma::events::AnyMessageLikeEventContent::KeyVerificationAccept(_) => "m.key.verification.accept".to_string(), + matrix_sdk_common::ruma::events::AnyMessageLikeEventContent::KeyVerificationKey(_) => "m.key.verification.key".to_string(), + matrix_sdk_common::ruma::events::AnyMessageLikeEventContent::KeyVerificationMac(_) => "m.key.verification.mac".to_string(), + matrix_sdk_common::ruma::events::AnyMessageLikeEventContent::KeyVerificationDone(_) => "m.key.verification.done".to_string(), + matrix_sdk_common::ruma::events::AnyMessageLikeEventContent::Message(_) => panic!(), + matrix_sdk_common::ruma::events::AnyMessageLikeEventContent::PollStart(_) => panic!(), + matrix_sdk_common::ruma::events::AnyMessageLikeEventContent::UnstablePollStart(_) => panic!(), + matrix_sdk_common::ruma::events::AnyMessageLikeEventContent::PollResponse(_) => panic!(), + matrix_sdk_common::ruma::events::AnyMessageLikeEventContent::UnstablePollResponse(_) => panic!(), + matrix_sdk_common::ruma::events::AnyMessageLikeEventContent::PollEnd(_) => panic!(), + matrix_sdk_common::ruma::events::AnyMessageLikeEventContent::UnstablePollEnd(_) => panic!(), + matrix_sdk_common::ruma::events::AnyMessageLikeEventContent::Reaction(_) => panic!(), + matrix_sdk_common::ruma::events::AnyMessageLikeEventContent::RoomEncrypted(_) => panic!(), + matrix_sdk_common::ruma::events::AnyMessageLikeEventContent::RoomMessage(_) => panic!(), + matrix_sdk_common::ruma::events::AnyMessageLikeEventContent::RoomRedaction(_) => panic!(), + matrix_sdk_common::ruma::events::AnyMessageLikeEventContent::Sticker(_) => panic!(), + _ => todo!(), + } + } else { + panic!() + } + } + + fn upload_signature_signed_keys(&self) -> String { + if let OutgoingRequests::SignatureUpload(request) = self.0.request() { + serde_json::to_string(&request.signed_keys).unwrap() + } else { + panic!() + } + } +} + +impl CryptoMachine { + fn outgoing_requests(&self) -> Vec { + self.runtime.block_on(async { + self.machine.as_ref().unwrap() + .outgoing_requests() + .await + .unwrap() + .iter() + .map(|it| OutgoingRequest(it.clone())) + .collect() + }) + } + + fn mark_keys_upload_as_sent(&mut self, response: String, request_id: String) { + self.runtime.block_on(async { + #[derive(serde::Deserialize)] + struct Response { + one_time_key_counts: BTreeMap, + } + + self.machine.as_ref().unwrap() + .mark_request_as_sent( + request_id.as_str().into(), + IncomingResponse::KeysUpload(&upload_keys::v3::Response::new( + serde_json::from_str::(response.as_str()) + .unwrap() + .one_time_key_counts, + )), + ) + .await + .unwrap(); + }); + } + + fn mark_keys_query_as_sent(&mut self, response: String, request_id: String) { + self.runtime.block_on(async { + #[derive(Deserialize)] + struct Response { + failures: Option>, + device_keys: + Option>>>, + master_keys: Option>>, + self_signing_keys: Option>>, + user_signing_keys: Option>>, + } + let r: Response = serde_json::from_str(response.as_str()).unwrap(); + let mut response = get_keys::v3::Response::new(); + response.failures = r.failures.unwrap_or_default(); + response.device_keys = r.device_keys.unwrap_or_default(); + response.master_keys = r.master_keys.unwrap_or_default(); + response.self_signing_keys = r.self_signing_keys.unwrap_or_default(); + response.user_signing_keys = r.user_signing_keys.unwrap_or_default(); + self.machine.as_ref().unwrap() + .mark_request_as_sent( + request_id.as_str().into(), + IncomingResponse::KeysQuery(&response), + ) + .await + .unwrap(); + }); + } + + fn mark_keys_claim_as_sent(&mut self, response: String, request_id: String) { + self.runtime.block_on(async { + #[derive(Deserialize)] + struct Response { + failures: Option>, + one_time_keys: Option>, + } + let r: Response = serde_json::from_str(response.as_str()).unwrap(); + let mut request = claim_keys::v3::Response::new(r.one_time_keys.unwrap_or_default()); + request.failures = r.failures.unwrap_or_default(); + self.machine.as_ref().unwrap() + .mark_request_as_sent( + request_id.as_str().into(), + IncomingResponse::KeysClaim(&request), + ) + .await + .unwrap(); + }); + } + + fn mark_to_device_as_sent(&mut self, _: String, request_id: String) { + self.runtime.block_on(async { + self.machine.as_ref().unwrap() + .mark_request_as_sent( + request_id.as_str().into(), + IncomingResponse::ToDevice( + &to_device::send_event_to_device::v3::Response::new(/* no content */), + ), + ) + .await + .unwrap(); + }); + } + + fn mark_signature_upload_as_sent(&mut self, response: String, request_id: String) { + self.runtime.block_on(async { + #[derive(Deserialize)] + struct Response { + failures: Option>>, + } + let r: Response = serde_json::from_str(response.as_str()).unwrap(); + let mut request = upload_signatures::v3::Response::new(); + request.failures = r.failures.unwrap_or_default(); + self.machine.as_ref().unwrap() + .mark_request_as_sent( + request_id.as_str().into(), + IncomingResponse::SignatureUpload(&request), + ) + .await + .unwrap(); + }); + } + + fn mark_room_message_as_sent(&mut self, event_id: String, request_id: String) { + self.runtime.block_on(async { + self.machine.as_ref().unwrap() + .mark_request_as_sent( + request_id.as_str().into(), + IncomingResponse::RoomMessage(&send_message_event::v3::Response::new(EventId::parse(event_id).unwrap())), + ) + .await + .unwrap(); + }); + } + + fn mark_keys_backup_as_sent(&mut self, response: String, request_id: String) { + self.runtime.block_on(async { + #[derive(Deserialize)] + struct Response { + etag: String, + count: UInt, + } + let r: Response = serde_json::from_str(response.as_str()).unwrap(); + self.machine.as_ref().unwrap() + .mark_request_as_sent( + request_id.as_str().into(), + IncomingResponse::KeysBackup(&add_backup_keys::v3::Response::new( + r.etag, r.count, + )), + ) + .await + .unwrap(); + }); + } + + fn receive_sync_changes(&mut self, sync_json: String) -> Vec { + self.runtime.block_on(async { + #[derive(serde::Deserialize)] + struct SyncChanges { + to_device: Option>>>, + device_lists: Option, + device_one_time_keys_count: BTreeMap, + next_batch: Option, + } + + let changes = serde_json::from_str::(sync_json.as_str()).unwrap(); + + let changes = self.machine.as_ref().unwrap() + .receive_sync_changes(EncryptionSyncChanges { + to_device_events: if let Some(events) = changes.to_device { + events["events"].clone() + } else { + Default::default() + }, + changed_devices: &changes.device_lists.unwrap_or_default(), + one_time_keys_counts: &changes.device_one_time_keys_count, + unused_fallback_keys: None, //TODO + next_batch_token: changes.next_batch, + }) + .await + .unwrap(); + + + let mut events = vec!(); + for to_device_event in changes.0 { + if let AnyToDeviceEvent::KeyVerificationRequest(request) = to_device_event.deserialize().unwrap() { + events.push(KeyVerificationRequest(self.machine.as_ref().unwrap().get_verification_request(&request.sender, request.content.transaction_id).unwrap())); + } + } + events + }) + } + + fn share_room_key(&mut self, room_id: String, user_ids: Vec) -> Vec { + self.runtime + .block_on(async { + let room_id = RoomId::parse(room_id).unwrap(); + let user_ids: Vec = user_ids + .iter() + .map(|it| UserId::parse(it).unwrap()) + .collect(); + self.machine.as_ref().unwrap() + .share_room_key( + &room_id, + user_ids.iter().map(Deref::deref), + EncryptionSettings::default(), + ) + .await + .unwrap() //TODO settings? + }) + .iter() + .map(|it| ToDeviceRequest { + txn_id: it.txn_id.to_string(), + event_type: it.event_type.to_string(), + messages: it.messages.clone(), + }) + .collect() + } + + //TODO lock + fn get_missing_sessions(&mut self, user_ids: Vec) -> Box { + self.runtime.block_on(async { + let user_ids: Vec = user_ids + .iter() + .map(|it| UserId::parse(it).unwrap()) + .collect(); + if let Some((id, request)) = self + .machine.as_ref().unwrap() + .get_missing_sessions(user_ids.iter().map(Deref::deref)) + .await + .unwrap() + { + Box::new(KeysClaimRequest { + id: id.to_string(), + timeout: request.timeout, + one_time_keys: request.one_time_keys, + }) + } else { + Box::new(KeysClaimRequest { + id: "".to_string(), + timeout: None, + one_time_keys: Default::default(), + }) + } + }) + } + + fn encrypt_room_event(&mut self, room_id: String, content: String, matrix_type: String) -> String { + self.runtime.block_on(async { + let room_id = RoomId::parse(room_id).unwrap(); + serde_json::to_string( + &self + .machine.as_ref().unwrap() + //TODO: Don't hardcode this + .encrypt_room_event_raw( + &room_id, + &matrix_type, + &serde_json::from_str(content.as_str()).unwrap(), + ) + .await + .unwrap(), + ) + .unwrap() + }) + } + + fn decrypt_room_event(&mut self, room_id: String, json: String) -> String { + self.runtime.block_on(async { + let room_id = RoomId::parse(room_id).unwrap(); + if let Ok(event) = self + .machine.as_ref().unwrap() + .decrypt_room_event(&serde_json::from_str(json.as_str()).unwrap(), &room_id) + .await + { + serde_json::to_string(&event.event).unwrap() + } else { + Default::default() + } + }) + } + + fn update_tracked_users(&mut self, user_ids: Vec) { + self.runtime.block_on(async { + let user_ids: Vec = user_ids + .iter() + .map(|it| UserId::parse(it).unwrap()) + .collect(); + self.machine.as_ref().unwrap() + .update_tracked_users(user_ids.iter().map(Deref::deref)) + .await + .unwrap(); + }); + } + + fn accept_verification(&mut self, remote_user: String, verification_id: String) -> Box { + let user_id = UserId::parse(remote_user).unwrap(); + Box::new(OutgoingKeyVerificationRequest(self.machine.as_ref().unwrap().get_verification_request(&user_id, &verification_id).unwrap().accept().unwrap())) + } + + fn confirm_verification(&mut self, remote_user: String, verification_id: String) -> Vec { + self.runtime.block_on(async { + //TODO signature upload + self.sas.as_ref().unwrap().get(&remote_user).unwrap().get(&verification_id).unwrap().confirm().await.unwrap().0.iter().map(|it| OutgoingKeyVerificationRequest(it.clone())).collect() + }) + } + + fn start_sas(&mut self, remote_user: String, verification_id: String) -> Box { + self.runtime.block_on(async { + let user_id = UserId::parse(&remote_user).unwrap(); + let result = self.machine.as_ref().unwrap().get_verification_request(&user_id, &verification_id).unwrap().start_sas().await.unwrap().unwrap(); + if !self.sas.as_ref().unwrap().contains_key(&remote_user) { + self.sas.as_mut().unwrap().insert(remote_user.clone(), HashMap::new()); + } + self.sas.as_mut().unwrap().get_mut(&remote_user).unwrap().insert(verification_id, result.0); + Box::new(OutgoingKeyVerificationRequest(result.1)) + }) + } + + fn verification_get_state(&mut self, remote_user: String, verification_id: String) -> u8 { + let user_id = UserId::parse(remote_user).unwrap(); + if let Some(session) = self.machine.as_ref().unwrap().get_verification_request(&user_id, &verification_id) { + match session.state() { + matrix_sdk_crypto::VerificationRequestState::Created { .. } => 0, + matrix_sdk_crypto::VerificationRequestState::Requested { .. } => 1, + matrix_sdk_crypto::VerificationRequestState::Ready { .. } => 2, + matrix_sdk_crypto::VerificationRequestState::Transitioned { .. } => 3, + matrix_sdk_crypto::VerificationRequestState::Done => 4, + matrix_sdk_crypto::VerificationRequestState::Cancelled(_) => 5, + } + } else { + 100 + } + } + + fn sas_emoji(&self, remote_user: String, verification_id: String) -> Vec { + self.sas.as_ref().unwrap().get(&remote_user).unwrap().get(&verification_id).unwrap().emoji().unwrap().iter().map(|e| Emoji(e.clone())).collect() + } + fn sas_state(self: &CryptoMachine, remote_user: String, verification_id: String) -> u8 { + match self.sas.as_ref().unwrap().get(&remote_user).unwrap().get(&verification_id).unwrap().state() { + matrix_sdk_crypto::SasState::Started { .. } => 0, + matrix_sdk_crypto::SasState::Accepted { .. } => 1, + matrix_sdk_crypto::SasState::KeysExchanged { .. } => 2, + matrix_sdk_crypto::SasState::Confirmed => 3, + matrix_sdk_crypto::SasState::Done { .. } => 4, + matrix_sdk_crypto::SasState::Cancelled(_) => 5, + } + } + fn request_device_verification(&mut self, user_id: String, device_id: String) -> Box { + self.runtime.block_on(async { + let user_id = UserId::parse(user_id).unwrap(); + let device_id: Box = device_id.into(); + let device = self.machine.as_ref().unwrap().get_device(&user_id, &device_id, None).await.unwrap().unwrap(); + let (session, outgoing) = device.request_verification().await; + Box::new(CreatedSession(session, outgoing)) + }) + } + + fn request_user_verification(&mut self, user_id: String, room_id: String, request_event_id: String) -> Box { + self.runtime.block_on(async { + let user_id = UserId::parse(user_id).unwrap(); + let room_id = RoomId::parse(room_id).unwrap(); + let event_id = EventId::parse(request_event_id).unwrap(); + let identity = self.machine.as_ref().unwrap().get_identity(&user_id, None).await.unwrap().unwrap(); + if let UserIdentities::Other(other) = identity { + Box::new(KeyVerificationRequest(other.request_verification(&room_id, &event_id, None /*TODO?*/).await)) + } else { + panic!() + } + }) + } + + fn request_user_verification_content(&mut self, user_id: String) -> String { + self.runtime.block_on(async { + let user_id = UserId::parse(user_id).unwrap(); + let identity = self.machine.as_ref().unwrap().get_identity(&user_id, None).await.unwrap().unwrap(); + if let UserIdentities::Other(other) = identity { + serde_json::to_string(&other.verification_request_content(None /*TODO ?*/).await).unwrap() + } else { + "".to_string() + } + }) + } + + + fn get_room_event_encryption_info(&self, event: String, room_id: String) -> Box { + self.runtime.block_on(async { + let room_id = RoomId::parse(room_id).unwrap(); + let info = self.machine.as_ref().unwrap().get_room_event_encryption_info(&serde_json::from_str(&event).unwrap(), &room_id).await.unwrap(); + println!("{:?}", info); + Box::new(EncryptionInfo(info)) + }) + } + + fn receive_verification_event(&mut self, full_json: String) { + println!("{full_json}"); + self.runtime.block_on(async { + self.machine.as_ref().unwrap().receive_verification_event(&serde_json::from_str(&full_json).unwrap()).await.unwrap(); + }) + } +} + +struct CreatedSession(VerificationRequest, OutgoingVerificationRequest); + +impl CreatedSession { + fn verification_id(&self) -> String { + self.0.flow_id().as_str().to_string() + } + fn to_device_event_type(&self) -> String { + if let OutgoingVerificationRequest::ToDevice(request) = &self.1 { + request.event_type.to_string() + } else { + panic!() + } + } + + fn to_device_txn_id(&self) -> String { + if let OutgoingVerificationRequest::ToDevice(request) = &self.1 { + request.txn_id.to_string() + } else { + panic!() + } + } + + fn to_device_messages(&self) -> String { + if let OutgoingVerificationRequest::ToDevice(request) = &self.1 { + serde_json::to_string(&request.messages).unwrap() + } else { + panic!() + } + } +} + +struct Emoji(matrix_sdk_crypto::Emoji); + +impl Emoji { + fn symbol(&self) -> String { + self.0.symbol.to_string() + } + fn description(&self) -> String { + self.0.description.to_string() + } +} + +struct OutgoingKeyVerificationRequest(OutgoingVerificationRequest); + +impl OutgoingKeyVerificationRequest { + //TODO type + + //TODO: deduplicate with other things + fn to_device_event_type(&self) -> String { + if let OutgoingVerificationRequest::ToDevice(request) = &self.0 { + request.event_type.to_string() + } else { + panic!() + } + } + + fn to_device_txn_id(&self) -> String { + if let OutgoingVerificationRequest::ToDevice(request) = &self.0 { + request.txn_id.to_string() + } else { + panic!() + } + } + + fn to_device_messages(&self) -> String { + if let OutgoingVerificationRequest::ToDevice(request) = &self.0 { + serde_json::to_string(&request.messages).unwrap() + } else { + panic!() + } + } + + fn in_room_room_id(&self) -> String { + if let OutgoingVerificationRequest::InRoom(request) = &self.0 { + request.room_id.to_string() + } else { + panic!() + } + } + + fn in_room_txn_id(&self) -> String { + if let OutgoingVerificationRequest::InRoom(request) = &self.0 { + request.txn_id.to_string() + } else { + panic!() + } + } + + fn in_room_content(&self) -> String { + if let OutgoingVerificationRequest::InRoom(request) = &self.0 { + serde_json::to_string(&request.content).unwrap() + } else { + panic!() + } + } +} + +struct KeyVerificationRequest(VerificationRequest); + +impl KeyVerificationRequest { + fn remote_user_id(&self) -> String { + self.0.other_user().to_string() + } + fn remote_device_id(&self) -> String { + self.0.other_device_id().map(|it| it.to_string()).unwrap_or("".to_string()) + } + + fn verification_id(&self) -> String { + self.0.flow_id().as_str().into() + } +} + +struct EncryptionInfo(matrix_sdk_common::deserialized_responses::EncryptionInfo); + +impl EncryptionInfo { + fn is_verified(&self) -> bool { + match self.0.verification_state { + matrix_sdk_common::deserialized_responses::VerificationState::Verified => true, + matrix_sdk_common::deserialized_responses::VerificationState::Unverified(_) => false, + } + } +} + +#[cxx::bridge] +mod ffi { + #[namespace = "crypto"] + extern "Rust" { + type CryptoMachine; + type OutgoingRequest; + type ToDeviceRequest; + type KeysClaimRequest; + type KeyVerificationRequest; + type OutgoingKeyVerificationRequest; + type Emoji; + type CreatedSession; + type EncryptionInfo; + + fn init(user_id: String, device_id: String) -> Box; + fn outgoing_requests(self: &CryptoMachine) -> Vec; + + fn mark_keys_upload_as_sent(self: &mut CryptoMachine, request_id: String, response: String); + fn mark_keys_query_as_sent(self: &mut CryptoMachine, request_id: String, response: String); + fn mark_keys_claim_as_sent(self: &mut CryptoMachine, request_id: String, response: String); + fn mark_to_device_as_sent(self: &mut CryptoMachine, request_id: String, response: String); + fn mark_room_message_as_sent( + self: &mut CryptoMachine, + request_id: String, + response: String, + ); + fn mark_signature_upload_as_sent( + self: &mut CryptoMachine, + request_id: String, + response: String, + ); + fn mark_keys_backup_as_sent(self: &mut CryptoMachine, request_id: String, response: String); + + fn receive_sync_changes(self: &mut CryptoMachine, sync_json: String) -> Vec; + fn share_room_key( + self: &mut CryptoMachine, + room_id: String, + user_ids: Vec, + ) -> Vec; + fn get_missing_sessions( + self: &mut CryptoMachine, + user_ids: Vec, + ) -> Box; + fn encrypt_room_event(self: &mut CryptoMachine, room_id: String, content: String, matrix_type: String) + -> String; + fn decrypt_room_event(self: &mut CryptoMachine, room_id: String, json: String) -> String; + fn update_tracked_users(self: &mut CryptoMachine, user_ids: Vec); + + fn keys_upload_device_keys(self: &OutgoingRequest) -> String; + fn keys_upload_one_time_keys(self: &OutgoingRequest) -> String; + fn keys_upload_fallback_keys(self: &OutgoingRequest) -> String; + + fn keys_query_device_keys(self: &OutgoingRequest) -> String; + fn keys_query_timeout(self: &OutgoingRequest) -> usize; + + fn keys_claim_one_time_keys(self: &OutgoingRequest) -> String; + + fn to_device_event_type(self: &OutgoingRequest) -> String; + fn to_device_txn_id(self: &OutgoingRequest) -> String; + fn to_device_messages(self: &OutgoingRequest) -> String; + + fn upload_signature_signed_keys(self: &OutgoingRequest) -> String; + + fn id(self: &OutgoingRequest) -> String; + fn request_type(self: &OutgoingRequest) -> u8; + + fn timeout(self: &KeysClaimRequest) -> usize; + fn id(self: &KeysClaimRequest) -> String; + fn one_time_keys(self: &KeysClaimRequest) -> String; + + fn event_type(self: &ToDeviceRequest) -> String; + fn txn_id(self: &ToDeviceRequest) -> String; + fn messages(self: &ToDeviceRequest) -> String; + + fn accept_verification(self: &mut CryptoMachine, remote_user: String, verification_id: String) -> Box; + fn confirm_verification(self: &mut CryptoMachine, remote_user: String, verification_id: String) -> Vec; + fn start_sas(self: &mut CryptoMachine, remote_user: String, verification_id: String) -> Box; + fn verification_get_state(self: &mut CryptoMachine, remote_user: String, verification_id: String) -> u8; + fn remote_user_id(self: &KeyVerificationRequest) -> String; + fn remote_device_id(self: &KeyVerificationRequest) -> String; + fn verification_id(self: &KeyVerificationRequest) -> String; + + fn to_device_event_type(self: &OutgoingKeyVerificationRequest) -> String; + fn to_device_txn_id(self: &OutgoingKeyVerificationRequest) -> String; + fn to_device_messages(self: &OutgoingKeyVerificationRequest) -> String; + + fn sas_emoji(self: &CryptoMachine, remote_user: String, verification_id: String) -> Vec; + fn symbol(self: &Emoji) -> String; + fn description(self: &Emoji) -> String; + fn sas_state(self: &CryptoMachine, remote_user: String, verification_id: String) -> u8; + + fn request_device_verification(self: &mut CryptoMachine, user_id: String, device_id: String) -> Box; + fn request_user_verification(self: &mut CryptoMachine, user_id: String, room_id: String, event_id: String) -> Box; + fn request_user_verification_content(self: &mut CryptoMachine, user_id: String) -> String; + + fn verification_id(self: &CreatedSession) -> String; + fn to_device_event_type(self: &CreatedSession) -> String; + fn to_device_txn_id(self: &CreatedSession) -> String; + fn to_device_messages(self: &CreatedSession) -> String; + + fn get_room_event_encryption_info(self: &CryptoMachine, event: String, room_id: String) -> Box; + + fn is_verified(self: &EncryptionInfo) -> bool; + + fn room_msg_content(self: &OutgoingRequest) -> String; + fn room_msg_txn_id(self: &OutgoingRequest) -> String; + fn room_msg_room_id(self: &OutgoingRequest) -> String; + fn room_msg_matrix_type(self: &OutgoingRequest) -> String; + fn receive_verification_event(self: &mut CryptoMachine, full_json: String); + + fn in_room_room_id(self: &OutgoingKeyVerificationRequest) -> String; + fn in_room_txn_id(self: &OutgoingKeyVerificationRequest) -> String; + fn in_room_content(self: &OutgoingKeyVerificationRequest) -> String; + } +}