File: testkeyverification.cpp

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// SPDX-FileCopyrightText: 2022 Tobias Fella <fella@posteo.de>
//
// SPDX-License-Identifier: LGPL-2.1-or-later

#include "olm/sas.h"

#include <QTest>
#include <QtCore/QDateTime>

#include <Quotient/connection.h>
#include <Quotient/e2ee/qolmaccount.h>
#include <Quotient/e2ee/cryptoutils.h>

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, QString::fromLatin1("commitment_TODO"_ba.toBase64())));
        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);
        auto keyBytes = byteArrayForOlm(olm_sas_pubkey_length(sas));
        olm_sas_get_pubkey(sas, keyBytes.data(), unsignedSize(keyBytes));
        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"