amnezia-client/client/ui/pages_logic/StartPageLogic.cpp
2023-01-08 23:00:13 +00:00

327 lines
10 KiB
C++

#include "StartPageLogic.h"
#include "ViewConfigLogic.h"
#include "core/errorstrings.h"
#include "configurators/ssh_configurator.h"
#include "configurators/vpn_configurator.h"
#include "../uilogic.h"
#include "utilities.h"
#include <QFileDialog>
#include <QStandardPaths>
#ifdef Q_OS_ANDROID
#include <QtAndroid>
#include "platforms/android/android_controller.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;
}
}
StartPageLogic::StartPageLogic(UiLogic *logic, QObject *parent):
PageLogicBase(logic, parent),
m_pushButtonConnectEnabled{true},
m_pushButtonConnectText{tr("Connect")},
m_pushButtonConnectKeyChecked{false},
m_labelWaitInfoVisible{true},
m_pushButtonBackFromStartVisible{true},
m_ipAddressPortRegex{Utils::ipAddressPortRegExp()}
{
#ifdef Q_OS_ANDROID
// Set security screen for Android app
QtAndroid::runOnAndroidThread([]() {
QAndroidJniObject window = QtAndroid::androidActivity().callObjectMethod("getWindow", "()Landroid/view/Window;");
if (window.isValid()){
const int FLAG_SECURE = 8192;
window.callMethod<void>("addFlags", "(I)V", FLAG_SECURE);
}
});
#endif
}
void StartPageLogic::onUpdatePage()
{
set_lineEditStartExistingCodeText("");
set_textEditSshKeyText("");
set_lineEditIpText("");
set_lineEditPasswordText("");
set_textEditSshKeyText("");
set_lineEditLoginText("");
set_labelWaitInfoVisible(false);
set_labelWaitInfoText("");
set_pushButtonConnectKeyChecked(false);
set_pushButtonBackFromStartVisible(uiLogic()->pagesStackDepth() > 0);
}
void StartPageLogic::onPushButtonConnect()
{
if (pushButtonConnectKeyChecked()){
if (lineEditIpText().isEmpty() ||
lineEditLoginText().isEmpty() ||
textEditSshKeyText().isEmpty() ) {
set_labelWaitInfoText(tr("Please fill in all fields"));
return;
}
}
else {
if (lineEditIpText().isEmpty() ||
lineEditLoginText().isEmpty() ||
lineEditPasswordText().isEmpty() ) {
set_labelWaitInfoText(tr("Please fill in all fields"));
return;
}
}
ServerCredentials serverCredentials;
serverCredentials.hostName = lineEditIpText();
if (serverCredentials.hostName.contains(":")) {
serverCredentials.port = serverCredentials.hostName.split(":").at(1).toInt();
serverCredentials.hostName = serverCredentials.hostName.split(":").at(0);
}
serverCredentials.userName = lineEditLoginText();
if (pushButtonConnectKeyChecked()){
QString key = textEditSshKeyText();
if (key.startsWith("ssh-rsa")) {
emit uiLogic()->showPublicKeyWarning();
return;
}
if (key.contains("OPENSSH") && key.contains("BEGIN") && key.contains("PRIVATE KEY")) {
key = m_configurator->sshConfigurator->convertOpenSShKey(key);
}
serverCredentials.password = key;
}
else {
serverCredentials.password = lineEditPasswordText();
}
set_pushButtonConnectEnabled(false);
set_pushButtonConnectText(tr("Connecting..."));
ErrorCode e = ErrorCode::NoError;
#ifdef Q_DEBUG
//QString output = m_serverController->checkSshConnection(serverCredentials, &e);
#else
QString output;
#endif
bool ok = true;
if (e) {
set_labelWaitInfoVisible(true);
set_labelWaitInfoText(errorString(e));
ok = false;
}
else {
if (output.contains("Please login as the user")) {
output.replace("\n", "");
set_labelWaitInfoVisible(true);
set_labelWaitInfoText(output);
ok = false;
}
}
set_pushButtonConnectEnabled(true);
set_pushButtonConnectText(tr("Connect"));
uiLogic()->installCredentials = serverCredentials;
if (ok) emit uiLogic()->goToPage(Page::NewServer);
}
void StartPageLogic::onPushButtonImport()
{
importConnectionFromCode(lineEditStartExistingCodeText());
}
void StartPageLogic::onPushButtonImportOpenFile()
{
QString fileName = QFileDialog::getOpenFileName(Q_NULLPTR, tr("Open config file"),
QStandardPaths::writableLocation(QStandardPaths::DocumentsLocation), "*.vpn *.ovpn *.conf");
if (fileName.isEmpty()) return;
QFile file(fileName);
file.open(QIODevice::ReadOnly);
QByteArray data = file.readAll();
auto configFormat = checkConfigFormat(QString(data));
if (configFormat == ConfigTypes::OpenVpn) {
importConnectionFromOpenVpnConfig(QString(data));
} else if (configFormat == ConfigTypes::WireGuard) {
importConnectionFromWireguardConfig(QString(data));
} else {
importConnectionFromCode(QString(data));
}
}
bool StartPageLogic::importConnection(const QJsonObject &profile)
{
ServerCredentials credentials;
credentials.hostName = profile.value(config_key::hostName).toString();
credentials.port = profile.value(config_key::port).toInt();
credentials.userName = profile.value(config_key::userName).toString();
credentials.password = profile.value(config_key::password).toString();
if (credentials.isValid() || profile.contains(config_key::containers)) {
// check config
uiLogic()->pageLogic<ViewConfigLogic>()->set_configJson(profile);
emit uiLogic()->goToPage(Page::ViewConfig);
}
else {
qDebug() << "Failed to import profile";
qDebug().noquote() << QJsonDocument(profile).toJson();
return false;
}
return true;
}
bool StartPageLogic::importConnectionFromCode(QString code)
{
code.replace("vpn://", "");
QByteArray ba = QByteArray::fromBase64(code.toUtf8(), QByteArray::Base64UrlEncoding | QByteArray::OmitTrailingEquals);
QByteArray ba_uncompressed = qUncompress(ba);
if (!ba_uncompressed.isEmpty()) {
ba = ba_uncompressed;
}
QJsonObject o;
o = QJsonDocument::fromJson(ba).object();
if (!o.isEmpty()) {
return importConnection(o);
}
return false;
}
bool StartPageLogic::importConnectionFromQr(const QByteArray &data)
{
QJsonObject dataObj = QJsonDocument::fromJson(data).object();
if (!dataObj.isEmpty()) {
return importConnection(dataObj);
}
QByteArray ba_uncompressed = qUncompress(data);
if (!ba_uncompressed.isEmpty()) {
return importConnection(QJsonDocument::fromJson(ba_uncompressed).object());
}
return false;
}
bool StartPageLogic::importConnectionFromOpenVpnConfig(const QString &config)
{
QJsonObject openVpnConfig;
openVpnConfig[config_key::config] = config;
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(config);
if (hostNameMatch.hasMatch()) {
hostName = hostNameMatch.captured(1);
}
QJsonObject o;
o[config_key::containers] = arr;
o[config_key::defaultContainer] = "amnezia-openvpn";
o[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(config);
if (dnsMatch.hasNext()) {
o[config_key::dns1] = dnsMatch.next().captured(1);
}
if (dnsMatch.hasNext()) {
o[config_key::dns2] = dnsMatch.next().captured(1);
}
o[config_key::hostName] = hostName;
return importConnection(o);
}
bool StartPageLogic::importConnectionFromWireguardConfig(const QString &config)
{
QJsonObject lastConfig;
lastConfig[config_key::config] = config;
const static QRegularExpression hostNameAndPortRegExp("Endpoint = (.*):([0-9]*)");
QRegularExpressionMatch hostNameAndPortMatch = hostNameAndPortRegExp.match(config);
QString hostName;
QString port;
if (hostNameAndPortMatch.hasMatch()) {
hostName = hostNameAndPortMatch.captured(1);
port = hostNameAndPortMatch.captured(2);
}
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-wireguard"));
containers.insert(config_key::wireguard, QJsonValue(wireguardConfig));
QJsonArray arr;
arr.push_back(containers);
QJsonObject o;
o[config_key::containers] = arr;
o[config_key::defaultContainer] = "amnezia-wireguard";
o[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(config);
if (dnsMatch.hasMatch()) {
o[config_key::dns1] = dnsMatch.captured(1);
o[config_key::dns2] = dnsMatch.captured(2);
}
o[config_key::hostName] = hostName;
return importConnection(o);
}