amnezia-client/client/ui/controllers/importController.cpp

431 lines
15 KiB
C++

#include "importController.h"
#include <QFile>
#include <QFileInfo>
#include <QQuickItem>
#include <QStandardPaths>
#include "core/errorstrings.h"
#ifdef Q_OS_ANDROID
#include "../../platforms/android/android_controller.h"
#include "../../platforms/android/androidutils.h"
#include <QJniObject>
#endif
#ifdef Q_OS_IOS
#include <CoreFoundation/CoreFoundation.h>
#endif
namespace
{
enum class ConfigTypes {
Amnezia,
OpenVpn,
WireGuard
};
ConfigTypes checkConfigFormat(const QString &config)
{
const QString openVpnConfigPatternCli = "client";
const QString openVpnConfigPatternProto1 = "proto tcp";
const QString openVpnConfigPatternProto2 = "proto udp";
const QString openVpnConfigPatternDriver1 = "dev tun";
const QString openVpnConfigPatternDriver2 = "dev tap";
const QString wireguardConfigPatternSectionInterface = "[Interface]";
const QString wireguardConfigPatternSectionPeer = "[Peer]";
if (config.contains(openVpnConfigPatternCli)
&& (config.contains(openVpnConfigPatternProto1) || config.contains(openVpnConfigPatternProto2))
&& (config.contains(openVpnConfigPatternDriver1) || config.contains(openVpnConfigPatternDriver2))) {
return ConfigTypes::OpenVpn;
} else if (config.contains(wireguardConfigPatternSectionInterface)
&& config.contains(wireguardConfigPatternSectionPeer)) {
return ConfigTypes::WireGuard;
}
return ConfigTypes::Amnezia;
}
#if defined Q_OS_ANDROID
ImportController *mInstance = nullptr;
#endif
#ifdef Q_OS_ANDROID
constexpr auto AndroidCameraActivity = "org.amnezia.vpn.qt.CameraActivity";
#endif
} // namespace
ImportController::ImportController(const QSharedPointer<ServersModel> &serversModel,
const QSharedPointer<ContainersModel> &containersModel,
const std::shared_ptr<Settings> &settings, QObject *parent)
: QObject(parent), m_serversModel(serversModel), m_containersModel(containersModel), m_settings(settings)
{
#ifdef Q_OS_ANDROID
mInstance = this;
AndroidUtils::runOnAndroidThreadAsync([]() {
JNINativeMethod methods[] {
{ "passDataToDecoder", "(Ljava/lang/String;)V", reinterpret_cast<void *>(onNewQrCodeDataChunk) },
};
QJniObject javaClass(AndroidCameraActivity);
QJniEnvironment env;
jclass objectClass = env->GetObjectClass(javaClass.object<jobject>());
env->RegisterNatives(objectClass, methods, sizeof(methods) / sizeof(methods[0]));
env->DeleteLocalRef(objectClass);
});
#endif
}
void ImportController::extractConfigFromFile(const QString &fileName)
{
QFile file(fileName);
if (file.open(QIODevice::ReadOnly)) {
QString data = file.readAll();
extractConfigFromData(data);
m_configFileName = QFileInfo(file.fileName()).fileName();
}
}
void ImportController::extractConfigFromData(QString data)
{
auto configFormat = checkConfigFormat(data);
if (configFormat == ConfigTypes::OpenVpn) {
m_config = extractOpenVpnConfig(data);
} else if (configFormat == ConfigTypes::WireGuard) {
m_config = extractWireGuardConfig(data);
} else {
m_config = extractAmneziaConfig(data);
}
}
void ImportController::extractConfigFromCode(QString code)
{
m_config = extractAmneziaConfig(code);
m_configFileName = "";
}
bool ImportController::extractConfigFromQr(const QByteArray &data)
{
QJsonObject dataObj = QJsonDocument::fromJson(data).object();
if (!dataObj.isEmpty()) {
m_config = dataObj;
return true;
}
QByteArray ba_uncompressed = qUncompress(data);
if (!ba_uncompressed.isEmpty()) {
m_config = QJsonDocument::fromJson(ba_uncompressed).object();
return true;
}
return false;
}
QString ImportController::getConfig()
{
return QJsonDocument(m_config).toJson(QJsonDocument::Indented);
}
QString ImportController::getConfigFileName()
{
return m_configFileName;
}
void ImportController::importConfig()
{
ServerCredentials credentials;
credentials.hostName = m_config.value(config_key::hostName).toString();
credentials.port = m_config.value(config_key::port).toInt();
credentials.userName = m_config.value(config_key::userName).toString();
credentials.secretData = m_config.value(config_key::password).toString();
if (credentials.isValid() || m_config.contains(config_key::containers)) {
m_serversModel->addServer(m_config);
m_serversModel->setDefaultServerIndex(m_serversModel->getServersCount() - 1);
emit importFinished();
} else {
qDebug() << "Failed to import profile";
qDebug().noquote() << QJsonDocument(m_config).toJson();
emit importErrorOccurred(errorString(ErrorCode::ImportInvalidConfigError));
}
m_config = {};
m_configFileName.clear();
}
QJsonObject ImportController::extractAmneziaConfig(QString &data)
{
data.replace("vpn://", "");
QByteArray ba = QByteArray::fromBase64(data.toUtf8(), QByteArray::Base64UrlEncoding | QByteArray::OmitTrailingEquals);
QByteArray ba_uncompressed = qUncompress(ba);
if (!ba_uncompressed.isEmpty()) {
ba = ba_uncompressed;
}
return QJsonDocument::fromJson(ba).object();
}
QJsonObject ImportController::extractOpenVpnConfig(const QString &data)
{
QJsonObject openVpnConfig;
openVpnConfig[config_key::config] = data;
QJsonObject lastConfig;
lastConfig[config_key::last_config] = QString(QJsonDocument(openVpnConfig).toJson());
lastConfig[config_key::isThirdPartyConfig] = true;
QJsonObject containers;
containers.insert(config_key::container, QJsonValue("amnezia-openvpn"));
containers.insert(config_key::openvpn, QJsonValue(lastConfig));
QJsonArray arr;
arr.push_back(containers);
QString hostName;
const static QRegularExpression hostNameRegExp("remote (.*) [0-9]*");
QRegularExpressionMatch hostNameMatch = hostNameRegExp.match(data);
if (hostNameMatch.hasMatch()) {
hostName = hostNameMatch.captured(1);
}
QJsonObject config;
config[config_key::containers] = arr;
config[config_key::defaultContainer] = "amnezia-openvpn";
config[config_key::description] = m_settings->nextAvailableServerName();
const static QRegularExpression dnsRegExp("dhcp-option DNS (\\b\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\b)");
QRegularExpressionMatchIterator dnsMatch = dnsRegExp.globalMatch(data);
if (dnsMatch.hasNext()) {
config[config_key::dns1] = dnsMatch.next().captured(1);
}
if (dnsMatch.hasNext()) {
config[config_key::dns2] = dnsMatch.next().captured(1);
}
config[config_key::hostName] = hostName;
return config;
}
QJsonObject ImportController::extractWireGuardConfig(const QString &data)
{
QMap<QString, QString> configMap;
auto configByLines = data.split("\n");
for (const QString &line : configByLines) {
QString trimmedLine = line.trimmed();
if (trimmedLine.startsWith("[") && trimmedLine.endsWith("]")) {
continue;
} else {
QStringList parts = trimmedLine.split(" = ");
if (parts.count() == 2) {
configMap[parts.at(0).trimmed()] = parts.at(1).trimmed();
}
}
}
QJsonObject lastConfig;
lastConfig[config_key::config] = data;
const static QRegularExpression hostNameAndPortRegExp("Endpoint = (.*):([0-9]*)");
QRegularExpressionMatch hostNameAndPortMatch = hostNameAndPortRegExp.match(data);
QString hostName;
QString port;
if (hostNameAndPortMatch.hasCaptured(1)) {
hostName = hostNameAndPortMatch.captured(1);
} else {
qDebug() << "Failed to import profile";
emit importErrorOccurred(errorString(ErrorCode::ImportInvalidConfigError));
}
if (hostNameAndPortMatch.hasCaptured(2)) {
port = hostNameAndPortMatch.captured(2);
} else {
port = protocols::wireguard::defaultPort;
}
lastConfig[config_key::hostName] = hostName;
lastConfig[config_key::port] = port.toInt();
// if (!configMap.value("PrivateKey").isEmpty() && !configMap.value("Address").isEmpty()
// && !configMap.value("PresharedKey").isEmpty() && !configMap.value("PublicKey").isEmpty()) {
lastConfig[config_key::client_priv_key] = configMap.value("PrivateKey");
lastConfig[config_key::client_ip] = configMap.value("Address");
lastConfig[config_key::psk_key] = configMap.value("PresharedKey");
lastConfig[config_key::server_pub_key] = configMap.value("PublicKey");
// } else {
// qDebug() << "Failed to import profile";
// emit importErrorOccurred(errorString(ErrorCode::ImportInvalidConfigError));
// return QJsonObject();
// }
QString protocolName = "wireguard";
if (!configMap.value(config_key::junkPacketCount).isEmpty()
&& !configMap.value(config_key::junkPacketMinSize).isEmpty()
&& !configMap.value(config_key::junkPacketMaxSize).isEmpty()
&& !configMap.value(config_key::initPacketJunkSize).isEmpty()
&& !configMap.value(config_key::responsePacketJunkSize).isEmpty()
&& !configMap.value(config_key::initPacketMagicHeader).isEmpty()
&& !configMap.value(config_key::responsePacketMagicHeader).isEmpty()
&& !configMap.value(config_key::underloadPacketMagicHeader).isEmpty()
&& !configMap.value(config_key::transportPacketMagicHeader).isEmpty()) {
lastConfig[config_key::junkPacketCount] = configMap.value(config_key::junkPacketCount);
lastConfig[config_key::junkPacketMinSize] = configMap.value(config_key::junkPacketMinSize);
lastConfig[config_key::junkPacketMaxSize] = configMap.value(config_key::junkPacketMaxSize);
lastConfig[config_key::initPacketJunkSize] = configMap.value(config_key::initPacketJunkSize);
lastConfig[config_key::responsePacketJunkSize] = configMap.value(config_key::responsePacketJunkSize);
lastConfig[config_key::initPacketMagicHeader] = configMap.value(config_key::initPacketMagicHeader);
lastConfig[config_key::responsePacketMagicHeader] = configMap.value(config_key::responsePacketMagicHeader);
lastConfig[config_key::underloadPacketMagicHeader] = configMap.value(config_key::underloadPacketMagicHeader);
lastConfig[config_key::transportPacketMagicHeader] = configMap.value(config_key::transportPacketMagicHeader);
protocolName = "awg";
}
QJsonObject wireguardConfig;
wireguardConfig[config_key::last_config] = QString(QJsonDocument(lastConfig).toJson());
wireguardConfig[config_key::isThirdPartyConfig] = true;
wireguardConfig[config_key::port] = port;
wireguardConfig[config_key::transport_proto] = "udp";
QJsonObject containers;
containers.insert(config_key::container, QJsonValue("amnezia-" + protocolName));
containers.insert(protocolName, QJsonValue(wireguardConfig));
QJsonArray arr;
arr.push_back(containers);
QJsonObject config;
config[config_key::containers] = arr;
config[config_key::defaultContainer] = "amnezia-" + protocolName;
config[config_key::description] = m_settings->nextAvailableServerName();
const static QRegularExpression dnsRegExp(
"DNS = "
"(\\b\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\b).*(\\b\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\b)");
QRegularExpressionMatch dnsMatch = dnsRegExp.match(data);
if (dnsMatch.hasMatch()) {
config[config_key::dns1] = dnsMatch.captured(1);
config[config_key::dns2] = dnsMatch.captured(2);
}
config[config_key::hostName] = hostName;
return config;
}
#ifdef Q_OS_ANDROID
void ImportController::onNewQrCodeDataChunk(JNIEnv *env, jobject thiz, jstring data)
{
Q_UNUSED(thiz);
const char *buffer = env->GetStringUTFChars(data, nullptr);
if (!buffer) {
return;
}
QString parcelBody(buffer);
env->ReleaseStringUTFChars(data, buffer);
if (mInstance != nullptr) {
if (!mInstance->m_isQrCodeProcessed) {
mInstance->m_qrCodeChunks.clear();
mInstance->m_isQrCodeProcessed = true;
mInstance->m_totalQrCodeChunksCount = 0;
mInstance->m_receivedQrCodeChunksCount = 0;
}
mInstance->parseQrCodeChunk(parcelBody);
}
}
#endif
#if defined Q_OS_ANDROID || defined Q_OS_IOS
void ImportController::startDecodingQr()
{
m_qrCodeChunks.clear();
m_totalQrCodeChunksCount = 0;
m_receivedQrCodeChunksCount = 0;
#if defined Q_OS_IOS
m_isQrCodeProcessed = true;
#endif
#if defined Q_OS_ANDROID
AndroidController::instance()->startQrReaderActivity();
#endif
}
void ImportController::stopDecodingQr()
{
#if defined Q_OS_ANDROID
QJniObject::callStaticMethod<void>(AndroidCameraActivity, "stopQrCodeReader", "()V");
#endif
emit qrDecodingFinished();
}
void ImportController::parseQrCodeChunk(const QString &code)
{
// qDebug() << code;
if (!m_isQrCodeProcessed)
return;
// check if chunk received
QByteArray ba = QByteArray::fromBase64(code.toUtf8(), QByteArray::Base64UrlEncoding | QByteArray::OmitTrailingEquals);
QDataStream s(&ba, QIODevice::ReadOnly);
qint16 magic;
s >> magic;
if (magic == amnezia::qrMagicCode) {
quint8 chunksCount;
s >> chunksCount;
if (m_totalQrCodeChunksCount != chunksCount) {
m_qrCodeChunks.clear();
}
m_totalQrCodeChunksCount = chunksCount;
quint8 chunkId;
s >> chunkId;
s >> m_qrCodeChunks[chunkId];
m_receivedQrCodeChunksCount = m_qrCodeChunks.size();
if (m_qrCodeChunks.size() == m_totalQrCodeChunksCount) {
QByteArray data;
for (int i = 0; i < m_totalQrCodeChunksCount; ++i) {
data.append(m_qrCodeChunks.value(i));
}
bool ok = extractConfigFromQr(data);
if (ok) {
m_isQrCodeProcessed = false;
qDebug() << "stopDecodingQr";
stopDecodingQr();
} else {
qDebug() << "error while extracting data from qr";
m_qrCodeChunks.clear();
m_totalQrCodeChunksCount = 0;
m_receivedQrCodeChunksCount = 0;
}
}
} else {
bool ok = extractConfigFromQr(ba);
if (ok) {
m_isQrCodeProcessed = false;
qDebug() << "stopDecodingQr";
stopDecodingQr();
}
}
}
double ImportController::getQrCodeScanProgressBarValue()
{
return (1.0 / m_totalQrCodeChunksCount) * m_receivedQrCodeChunksCount;
}
QString ImportController::getQrCodeScanProgressString()
{
return tr("Scanned %1 of %2.").arg(m_receivedQrCodeChunksCount).arg(m_totalQrCodeChunksCount);
}
#endif