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#include "DeviceVerificationFlow.h"
#include "ChatPage.h"
#include "Logging.h"
#include <QDateTime>
#include <QDebug> // only for debugging
#include <QTimer>
#include <iostream> // only for debugging
static constexpr int TIMEOUT = 2 * 60 * 1000; // 2 minutes
namespace msgs = mtx::events::msg;
DeviceVerificationFlow::DeviceVerificationFlow(QObject *)
{
timeout = new QTimer(this);
timeout->setSingleShot(true);
if (this->sender == true)
this->transaction_id = http::client()->generate_txn_id();
connect(timeout, &QTimer::timeout, this, [this]() {
emit timedout();
this->deleteLater();
});
connect(ChatPage::instance(),
&ChatPage::recievedDeviceVerificationAccept,
this,
[this](const mtx::events::collections::DeviceEvents &message) {
auto msg =
std::get<mtx::events::DeviceEvent<msgs::KeyVerificationAccept>>(message);
if (msg.content.transaction_id == this->transaction_id) {
std::cout << "Recieved Event Accept" << std::endl;
}
});
connect(ChatPage::instance(),
&ChatPage::recievedDeviceVerificationRequest,
this,
[this](const mtx::events::collections::DeviceEvents &message) {
auto msg =
std::get<mtx::events::DeviceEvent<msgs::KeyVerificationRequest>>(message);
if (msg.content.transaction_id == this->transaction_id) {
std::cout << "Recieved Event Request" << std::endl;
}
});
connect(ChatPage::instance(),
&ChatPage::recievedDeviceVerificationCancel,
this,
[this](const mtx::events::collections::DeviceEvents &message) {
auto msg =
std::get<mtx::events::DeviceEvent<msgs::KeyVerificationCancel>>(message);
if (msg.content.transaction_id == this->transaction_id) {
std::cout << "Recieved Event Cancel" << std::endl;
}
});
connect(ChatPage::instance(),
&ChatPage::recievedDeviceVerificationKey,
this,
[this](const mtx::events::collections::DeviceEvents &message) {
auto msg =
std::get<mtx::events::DeviceEvent<msgs::KeyVerificationKey>>(message);
if (msg.content.transaction_id == this->transaction_id) {
std::cout << "Recieved Event Key" << std::endl;
}
});
connect(ChatPage::instance(),
&ChatPage::recievedDeviceVerificationMac,
this,
[this](const mtx::events::collections::DeviceEvents &message) {
auto msg =
std::get<mtx::events::DeviceEvent<msgs::KeyVerificationMac>>(message);
if (msg.content.transaction_id == this->transaction_id) {
std::cout << "Recieved Event Mac" << std::endl;
}
});
timeout->start(TIMEOUT);
}
QString
DeviceVerificationFlow::getTransactionId()
{
return QString::fromStdString(this->transaction_id);
}
QString
DeviceVerificationFlow::getUserId()
{
return this->userId;
}
QString
DeviceVerificationFlow::getDeviceId()
{
return this->deviceId;
}
DeviceVerificationFlow::Method
DeviceVerificationFlow::getMethod()
{
return this->method;
}
bool
DeviceVerificationFlow::getSender()
{
return this->sender;
}
void
DeviceVerificationFlow::setTransactionId(QString transaction_id_)
{
this->transaction_id = transaction_id_.toStdString();
}
void
DeviceVerificationFlow::setUserId(QString userID)
{
this->userId = userID;
this->toClient = mtx::identifiers::parse<mtx::identifiers::User>(userID.toStdString());
}
void
DeviceVerificationFlow::setDeviceId(QString deviceID)
{
this->deviceId = deviceID;
}
void
DeviceVerificationFlow::setMethod(DeviceVerificationFlow::Method method_)
{
this->method = method_;
}
void
DeviceVerificationFlow::setSender(bool sender_)
{
this->sender = sender_;
}
//! accepts a verification
void
DeviceVerificationFlow::acceptVerificationRequest()
{
mtx::requests::ToDeviceMessages<mtx::events::msg::KeyVerificationAccept> body;
mtx::events::msg::KeyVerificationAccept req;
req.transaction_id = this->transaction_id;
req.method = mtx::events::msg::VerificationMethods::SASv1;
req.key_agreement_protocol = "curve25519-hkdf-sha256";
req.hash = "sha256";
req.message_authentication_code = "hkdf-hmac-sha256";
req.short_authentication_string = {mtx::events::msg::SASMethods::Decimal,
mtx::events::msg::SASMethods::Emoji};
req.commitment = "";
emit this->verificationRequestAccepted(this->method);
body[this->toClient][this->deviceId.toStdString()] = req;
http::client()
->send_to_device<mtx::events::msg::KeyVerificationAccept,
mtx::events::EventType::KeyVerificationAccept>(
this->transaction_id, body, [this](mtx::http::RequestErr err) {
if (err)
nhlog::net()->warn("failed to accept verification request: {} {}",
err->matrix_error.error,
static_cast<int>(err->status_code));
emit this->verificationRequestAccepted(rand() % 2 ? Emoji : Decimal);
});
}
//! starts the verification flow
void
DeviceVerificationFlow::startVerificationRequest()
{
mtx::requests::ToDeviceMessages<mtx::events::msg::KeyVerificationStart> body;
mtx::events::msg::KeyVerificationStart req;
req.from_device = http::client()->device_id();
req.transaction_id = this->transaction_id;
req.method = mtx::events::msg::VerificationMethods::SASv1;
req.key_agreement_protocols = {"curve25519-hkdf-sha256"};
req.hashes = {"sha256"};
req.message_authentication_codes = {"hkdf-hmac-sha256", "hmac-sha256"};
req.short_authentication_string = {mtx::events::msg::SASMethods::Decimal,
mtx::events::msg::SASMethods::Emoji};
body[this->toClient][this->deviceId.toStdString()] = req;
http::client()
->send_to_device<mtx::events::msg::KeyVerificationStart,
mtx::events::EventType::KeyVerificationStart>(
this->transaction_id, body, [body](mtx::http::RequestErr err) {
if (err)
nhlog::net()->warn("failed to start verification request: {} {}",
err->matrix_error.error,
static_cast<int>(err->status_code));
std::cout << nlohmann::json(body).dump(2) << std::endl;
});
}
//! sends a verification request
void
DeviceVerificationFlow::sendVerificationRequest()
{
QDateTime CurrentTime = QDateTime::currentDateTimeUtc();
mtx::requests::ToDeviceMessages<mtx::events::msg::KeyVerificationRequest> body;
mtx::events::msg::KeyVerificationRequest req;
req.from_device = http::client()->device_id();
req.transaction_id = this->transaction_id;
req.methods.resize(1);
req.methods[0] = mtx::events::msg::VerificationMethods::SASv1;
req.timestamp = (uint64_t)CurrentTime.toTime_t();
body[this->toClient][this->deviceId.toStdString()] = req;
http::client()
->send_to_device<mtx::events::msg::KeyVerificationRequest,
mtx::events::EventType::KeyVerificationRequest>(
this->transaction_id, body, [](mtx::http::RequestErr err) {
if (err)
nhlog::net()->warn("failed to send verification request: {} {}",
err->matrix_error.error,
static_cast<int>(err->status_code));
});
}
//! cancels a verification flow
void
DeviceVerificationFlow::cancelVerification()
{
mtx::requests::ToDeviceMessages<mtx::events::msg::KeyVerificationCancel> body;
mtx::events::msg::KeyVerificationCancel req;
req.transaction_id = this->transaction_id;
// TODO: Add Proper Error Messages and Code
req.reason = "Device Verification Cancelled";
req.code = "400";
body[this->toClient][deviceId.toStdString()] = req;
http::client()
->send_to_device<mtx::events::msg::KeyVerificationCancel,
mtx::events::EventType::KeyVerificationCancel>(
this->transaction_id, body, [this](mtx::http::RequestErr err) {
if (err)
nhlog::net()->warn("failed to cancel verification request: {} {}",
err->matrix_error.error,
static_cast<int>(err->status_code));
this->deleteLater();
});
}
//! sends the verification key
void
DeviceVerificationFlow::sendVerificationKey()
{
mtx::requests::ToDeviceMessages<mtx::events::msg::KeyVerificationKey> body;
mtx::events::msg::KeyVerificationKey req;
req.key = "";
req.transaction_id = this->transaction_id;
body[this->toClient][deviceId.toStdString()] = req;
http::client()
->send_to_device<mtx::events::msg::KeyVerificationKey,
mtx::events::EventType::KeyVerificationKey>(
this->transaction_id, body, [](mtx::http::RequestErr err) {
if (err)
nhlog::net()->warn("failed to send verification key: {} {}",
err->matrix_error.error,
static_cast<int>(err->status_code));
});
}
//! sends the mac of the keys
void
DeviceVerificationFlow::sendVerificationMac()
{
mtx::requests::ToDeviceMessages<mtx::events::msg::KeyVerificationMac> body;
mtx::events::msg::KeyVerificationMac req;
req.transaction_id = this->transaction_id;
// req.mac = "";
req.keys = "";
body[this->toClient][deviceId.toStdString()] = req;
http::client()
->send_to_device<mtx::events::msg::KeyVerificationMac,
mtx::events::EventType::KeyVerificationMac>(
this->transaction_id, body, [](mtx::http::RequestErr err) {
if (err)
nhlog::net()->warn("failed to send verification MAC: {} {}",
err->matrix_error.error,
static_cast<int>(err->status_code));
});
}
//! Completes the verification flow
void
DeviceVerificationFlow::acceptDevice()
{
emit deviceVerified();
this->deleteLater();
// Yet to add send to_device message
}
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