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nymea-app/libnymea-app/jsonrpc/jsonrpcclient.cpp

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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*
* Copyright 2013 - 2020, nymea GmbH
* Contact: contact@nymea.io
*
* This file is part of nymea.
* This project including source code and documentation is protected by
* copyright law, and remains the property of nymea GmbH. All rights, including
* reproduction, publication, editing and translation, are reserved. The use of
* this project is subject to the terms of a license agreement to be concluded
* with nymea GmbH in accordance with the terms of use of nymea GmbH, available
* under https://nymea.io/license
*
* GNU General Public License Usage
* Alternatively, this project may be redistributed and/or modified under the
* terms of the GNU General Public License as published by the Free Software
* Foundation, GNU version 3. This project is distributed in the hope that it
* will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
* Public License for more details.
*
* You should have received a copy of the GNU General Public License along with
* this project. If not, see <https://www.gnu.org/licenses/>.
*
* For any further details and any questions please contact us under
* contact@nymea.io or see our FAQ/Licensing Information on
* https://nymea.io/license/faq
*
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#include "jsonrpcclient.h"
#include "connection/nymeaconnection.h"
#include "types/param.h"
#include "types/params.h"
#include "connection/tcpsockettransport.h"
#include "connection/websockettransport.h"
#include "connection/bluetoothtransport.h"
#include "connection/tunnelproxytransport.h"
#include <QJsonDocument>
#include <QVariantMap>
#include <QDebug>
#include <QUuid>
#include <QSettings>
#include <QVersionNumber>
#include <QMetaEnum>
#include <QLocale>
#include <QDir>
#include <QStandardPaths>
#include "logging.h"
NYMEA_LOGGING_CATEGORY(dcJsonRpc, "JsonRpc")
JsonRpcClient::JsonRpcClient(QObject *parent) :
QObject(parent),
m_id(0)
{
m_connection = new NymeaConnection(this);
m_connection->registerTransport(new TcpSocketTransportFactory());
m_connection->registerTransport(new WebsocketTransportFactory());
m_connection->registerTransport(new BluetoothTransportFactoy());
m_connection->registerTransport(new TunnelProxyTransportFactory());
connect(m_connection, &NymeaConnection::availableBearerTypesChanged, this, &JsonRpcClient::availableBearerTypesChanged);
connect(m_connection, &NymeaConnection::connectionStatusChanged, this, &JsonRpcClient::connectionStatusChanged);
connect(m_connection, &NymeaConnection::connectedChanged, this, &JsonRpcClient::onInterfaceConnectedChanged);
connect(m_connection, &NymeaConnection::currentHostChanged, this, &JsonRpcClient:: currentHostChanged);
connect(m_connection, &NymeaConnection::currentConnectionChanged, this, &JsonRpcClient:: currentConnectionChanged);
// We'll connect this Queued, because in case of a disconnect we'll want to react on that ASAP instead of processing a queue that may be left in buffers
// Especially on mobile platforms (hello Android) we get a huge queue of buffers upon resume from suspend just to get a disconnect after that.
connect(m_connection, &NymeaConnection::dataAvailable, this, &JsonRpcClient::dataReceived, Qt::QueuedConnection);
registerNotificationHandler(this, QStringLiteral("JSONRPC"), "notificationReceived");
}
void JsonRpcClient::registerNotificationHandler(QObject *handler, const QString &nameSpace, const QString &method)
{
if (m_notificationHandlers.key(handler) == nameSpace) {
qWarning() << "Notification handler" << handler << " already registered for namespace" << nameSpace;
return;
}
m_notificationHandlers.insert(nameSpace, handler);
m_notificationHandlerMethods.insert(handler, method);
setNotificationsEnabled();
}
void JsonRpcClient::unregisterNotificationHandler(QObject *handler)
{
foreach (const QString nameSpace, m_notificationHandlers.keys(handler)) {
m_notificationHandlers.remove(nameSpace, handler);
}
m_notificationHandlerMethods.remove(handler);
setNotificationsEnabled();
}
int JsonRpcClient::sendCommand(const QString &method, const QVariantMap &params, QObject *caller, const QString &callbackMethod)
{
JsonRpcReply *reply = createReply(method, params, caller, callbackMethod);
if (m_cacheHashes.contains(method)) {
QString hash = m_cacheHashes.value(method);
QString callSignature = method + '-' + QJsonDocument::fromVariant(params).toJson() + '-' + QLocale().name();
QString callSignatureHash = QCryptographicHash::hash(callSignature.toUtf8(), QCryptographicHash::Md5).toHex();
QFile f(QStandardPaths::writableLocation(QStandardPaths::CacheLocation) + '/' + method + '-' + callSignatureHash + '-' + hash + ".cache");
if (f.exists() && f.open(QFile::ReadOnly)) {
QJsonParseError error;
QVariantMap cachedParams = QJsonDocument::fromJson(f.readAll(), &error).toVariant().toMap();
f.close();
if (error.error == QJsonParseError::NoError) {
qDebug() << "Loaded results for" << reply->nameSpace() + '.' + reply->method() << "from cache";
// We want to make sure this is an async operation even if we have stuff in cache, so only call callbacks using Qt::QueuedConnection
if (!reply->caller().isNull() && !reply->callback().isEmpty()) {
QMetaObject::invokeMethod(reply->caller(), reply->callback().toLatin1().data(), Qt::QueuedConnection, Q_ARG(int, reply->commandId()), Q_ARG(QVariantMap, cachedParams));
}
QMetaObject::invokeMethod(this, "responseReceived", Qt::QueuedConnection, Q_ARG(int, reply->commandId()), Q_ARG(QVariantMap, cachedParams));
QMetaObject::invokeMethod(reply, "deleteLater", Qt::QueuedConnection);
return reply->commandId();
}
}
}
m_replies.insert(reply->commandId(), reply);
sendRequest(reply->requestMap());
return reply->commandId();
}
int JsonRpcClient::sendCommand(const QString &method, QObject *caller, const QString &callbackMethod)
{
return sendCommand(method, QVariantMap(), caller, callbackMethod);
}
NymeaConnection::BearerTypes JsonRpcClient::availableBearerTypes() const
{
return m_connection->availableBearerTypes();
}
NymeaConnection::ConnectionStatus JsonRpcClient::connectionStatus() const
{
return m_connection->connectionStatus();
}
void JsonRpcClient::connectToHost(NymeaHost *host, Connection *connection)
{
if (m_connection->currentHost()) {
disconnect(m_connection->currentHost(), &NymeaHost::nameChanged, this, &JsonRpcClient::serverNameChanged);
}
m_connection->connectToHost(host, connection);
connect(host, &NymeaHost::nameChanged, this, &JsonRpcClient::serverNameChanged);
emit serverNameChanged();
}
void JsonRpcClient::disconnectFromHost()
{
m_connection->disconnectFromHost();
}
void JsonRpcClient::acceptCertificate(const QString &serverUuid, const QByteArray &pem)
{
qDebug() << "Pinning new certificate for" << serverUuid << pem;
storePem(serverUuid, pem);
}
bool JsonRpcClient::tokenExists(const QString &serverUuid) const
{
QSettings settings;
settings.beginGroup("jsonTokens");
return settings.contains(QUuid(serverUuid).toString());
}
void JsonRpcClient::addToken(const QString &serverUuid, const QByteArray &token)
{
QSettings settings;
settings.beginGroup("jsonTokens");
settings.setValue(QUuid(serverUuid).toString(), token);
settings.endGroup();
}
void JsonRpcClient::setNotificationsEnabledResponse(int commandId, const QVariantMap &params)
{
qCDebug(dcJsonRpc()) << "Notification configuration response:" << commandId << qUtf8Printable(QJsonDocument::fromVariant(params).toJson());
if (!m_connected) {
m_connected = true;
emit connectedChanged(true);
}
}
void JsonRpcClient::notificationReceived(const QVariantMap &data)
{
qCDebug(dcJsonRpc()) << "Notification received:" << qUtf8Printable(QJsonDocument::fromVariant(data).toJson());
if (data.value("notification").toString() == "JSONRPC.PushButtonAuthFinished") {
qCInfo(dcJsonRpc()) << "Push button auth finished.";
if (data.value("params").toMap().value("transactionId").toInt() != m_pendingPushButtonTransaction) {
qCWarning(dcJsonRpc()) << "This push button transaction is not what we're waiting for...";
return;
}
m_pendingPushButtonTransaction = -1;
if (data.value("params").toMap().value("success").toBool()) {
qCInfo(dcJsonRpc()) << "Push button auth succeeded";
m_token = data.value("params").toMap().value("token").toByteArray();
QSettings settings;
settings.beginGroup("jsonTokens");
settings.setValue(m_connection->currentHost()->uuid().toString(), m_token);
settings.endGroup();
m_initialSetupRequired = false;
emit authenticationRequiredChanged();
// Push button auth will always hand out admin tokens
m_permissionScopes = UserInfo::PermissionScopeAdmin;
emit permissionsChanged();
setNotificationsEnabled();
} else {
emit pushButtonAuthFailed();
}
return;
}
qCWarning(dcJsonRpc()) << "JsonRpcClient: Unhandled notification received" << data;
}
void JsonRpcClient::getVersionsReply(int /*commandId*/, const QVariantMap &data)
{
m_serverQtVersion = data.value("qtVersion").toString();
m_serverQtBuildVersion = data.value("qtBuildVersion").toString();
if (!m_serverQtVersion.isEmpty()) {
emit serverQtVersionChanged();
}
}
bool JsonRpcClient::connected() const
{
return m_connected;
}
NymeaHost *JsonRpcClient::currentHost() const
{
return m_connection->currentHost();
}
Connection *JsonRpcClient::currentConnection() const
{
return m_connection->currentConnection();
}
QVariantMap JsonRpcClient::certificateIssuerInfo() const
{
QVariantMap issuerInfo;
foreach (const QByteArray &attr, m_connection->sslCertificate().issuerInfoAttributes()) {
issuerInfo.insert(attr, m_connection->sslCertificate().issuerInfo(attr));
}
QByteArray certificateFingerprint;
QByteArray digest = m_connection->sslCertificate().digest(QCryptographicHash::Sha256);
for (int i = 0; i < digest.length(); i++) {
if (certificateFingerprint.length() > 0) {
certificateFingerprint.append(":");
}
certificateFingerprint.append(digest.mid(i,1).toHex().toUpper());
}
issuerInfo.insert("fingerprint", certificateFingerprint);
return issuerInfo;
}
bool JsonRpcClient::initialSetupRequired() const
{
return m_initialSetupRequired;
}
bool JsonRpcClient::authenticationRequired() const
{
return m_authenticationRequired && m_token.isEmpty();
}
bool JsonRpcClient::pushButtonAuthAvailable() const
{
return m_pushButtonAuthAvailable;
}
bool JsonRpcClient::authenticated() const
{
return m_authenticated;
}
QHash<QString, QString> JsonRpcClient::cacheHashes() const
{
return m_cacheHashes;
}
UserInfo::PermissionScopes JsonRpcClient::permissions() const
{
return m_permissionScopes;
}
QString JsonRpcClient::serverVersion() const
{
return m_serverVersion;
}
QString JsonRpcClient::jsonRpcVersion() const
{
return m_jsonRpcVersion.toString();
}
QString JsonRpcClient::serverUuid() const
{
return m_connection && m_connection->currentHost() ? m_connection->currentHost()->uuid().toString() : "";
}
QString JsonRpcClient::serverName() const
{
return m_connection->currentHost() ? m_connection->currentHost()->name() : "";
}
QString JsonRpcClient::serverQtVersion()
{
if (!m_serverQtVersion.isEmpty()) {
return m_serverQtVersion;
}
if (ensureServerVersion("4.0")) {
sendCommand("JSONRPC.Version", QVariantMap(), this, "getVersionsReply");
}
return QString();
}
QString JsonRpcClient::serverQtBuildVersion()
{
return m_serverQtBuildVersion;
}
QVariantMap JsonRpcClient::experiences() const
{
return m_experiences;
}
int JsonRpcClient::createUser(const QString &username, const QString &password, const QString &displayName, const QString &email)
{
QVariantMap params;
params.insert("username", username);
params.insert("password", password);
if (ensureServerVersion("6.0")) {
params.insert("displayName", displayName);
params.insert("email", email);
}
JsonRpcReply* reply = createReply("JSONRPC.CreateUser", params, this, "processCreateUser");
m_replies.insert(reply->commandId(), reply);
m_connection->sendData(QJsonDocument::fromVariant(reply->requestMap()).toJson());
return reply->commandId();
}
int JsonRpcClient::authenticate(const QString &username, const QString &password, const QString &deviceName)
{
QVariantMap params;
params.insert("username", username);
params.insert("password", password);
params.insert("deviceName", deviceName);
qDebug() << "Authenticating:" << username << password << deviceName;
JsonRpcReply* reply = createReply("JSONRPC.Authenticate", params, this, "processAuthenticate");
m_replies.insert(reply->commandId(), reply);
m_connection->sendData(QJsonDocument::fromVariant(reply->requestMap()).toJson());
return reply->commandId();
}
int JsonRpcClient::requestPushButtonAuth(const QString &deviceName)
{
qDebug() << "Requesting push button auth for device:" << deviceName;
QVariantMap params;
params.insert("deviceName", deviceName);
JsonRpcReply *reply = createReply("JSONRPC.RequestPushButtonAuth", params, this, "processRequestPushButtonAuth");
m_replies.insert(reply->commandId(), reply);
m_connection->sendData(QJsonDocument::fromVariant(reply->requestMap()).toJson());
return reply->commandId();
}
bool JsonRpcClient::ensureServerVersion(const QString &jsonRpcVersion)
{
return QVersionNumber(m_jsonRpcVersion) >= QVersionNumber::fromString(jsonRpcVersion);
}
void JsonRpcClient::processAuthenticate(int /*commandId*/, const QVariantMap &data)
{
if (data.value("success").toBool()) {
qCInfo(dcJsonRpc()) << "authentication successful";
m_token = data.value("token").toByteArray();
m_username = data.value("username").toString();
if (m_jsonRpcVersion.majorVersion() >= 6) {
m_permissionScopes = UserInfo::listToScopes(data.value("scopes").toStringList());
} else {
m_permissionScopes = UserInfo::PermissionScopeAdmin;
}
emit permissionsChanged();
QSettings settings;
settings.beginGroup("jsonTokens");
settings.setValue(m_connection->currentHost()->uuid().toString(), m_token);
settings.endGroup();
emit authenticationRequiredChanged();
m_authenticated = true;
emit authenticatedChanged();
setNotificationsEnabled();
} else {
qCWarning(dcJsonRpc()) << "Authentication failed" << data;
emit authenticationFailed();
}
}
void JsonRpcClient::processCreateUser(int /*commandId*/, const QVariantMap &data)
{
qDebug() << "create user response:" << data;
if (data.value("error").toString() == "UserErrorNoError") {
emit createUserSucceeded();
m_initialSetupRequired = false;
emit initialSetupRequiredChanged();
} else {
qDebug() << "Emitting create user failed";
emit createUserFailed(data.value("error").toString());
}
}
void JsonRpcClient::processRequestPushButtonAuth(int /*commandId*/, const QVariantMap &data)
{
qDebug() << "requestPushButtonAuth response" << data;
if (data.value("success").toBool()) {
m_pendingPushButtonTransaction = data.value("transactionId").toInt();
} else {
emit pushButtonAuthFailed();
}
}
JsonRpcReply *JsonRpcClient::createReply(const QString &method, const QVariantMap &params, QObject* caller, const QString &callback)
{
QStringList callParts = method.split('.');
if (callParts.count() != 2) {
qCWarning(dcJsonRpc()) << "Invalid method. Must be Namespace.Method";
return nullptr;
}
m_id++;
return new JsonRpcReply(m_id, callParts.first(), callParts.last(), params, caller, callback);
}
void JsonRpcClient::setNotificationsEnabled()
{
QStringList namespaces;
foreach (const QString &nameSpace, m_notificationHandlers.keys()) {
namespaces.append(nameSpace);
}
if (!m_connection->connected()) {
return;
}
// We always want the Users notification to check for changed permissions
if (!namespaces.contains("Users")) {
namespaces.append("Users");
}
QVariantMap params;
if (ensureServerVersion("3.1")) {
params.insert("namespaces", namespaces);
} else {
params.insert("enabled", namespaces.count() > 0);
}
JsonRpcReply *reply = createReply("JSONRPC.SetNotificationStatus", params, this, "setNotificationsEnabledResponse");
m_replies.insert(reply->commandId(), reply);
qCDebug(dcJsonRpc) << "Setting notification status";
sendRequest(reply->requestMap());
}
void JsonRpcClient::sendRequest(const QVariantMap &request)
{
QVariantMap newRequest = request;
newRequest.insert("token", m_token);
// qDebug() << "Sending request" << qUtf8Printable(QJsonDocument::fromVariant(newRequest).toJson());
m_connection->sendData(QJsonDocument::fromVariant(newRequest).toJson(QJsonDocument::Compact) + "\n");
}
bool JsonRpcClient::loadPem(const QUuid &serverUud, QByteArray &pem)
{
QDir dir(QStandardPaths::writableLocation(QStandardPaths::DataLocation) + "/sslcerts/");
QFile certFile(dir.absoluteFilePath(serverUud.toString().remove(QRegExp("[{}]")) + ".pem"));
if (!certFile.open(QFile::ReadOnly)) {
return false;
}
pem.clear();
pem.append(certFile.readAll());
return true;
}
bool JsonRpcClient::storePem(const QUuid &serverUuid, const QByteArray &pem)
{
QDir dir(QStandardPaths::writableLocation(QStandardPaths::DataLocation) + "/sslcerts/");
if (!dir.exists()) {
dir.mkpath(QStandardPaths::writableLocation(QStandardPaths::DataLocation) + "/sslcerts/");
}
QFile certFile(dir.absoluteFilePath(serverUuid.toString().remove(QRegExp("[{}]")) + ".pem"));
if (!certFile.open(QFile::WriteOnly | QFile::Truncate)) {
return false;
}
certFile.write(pem);
certFile.close();
return true;
}
void JsonRpcClient::onInterfaceConnectedChanged(bool connected)
{
if (!connected) {
qCInfo(dcJsonRpc()) << "JsonRpcClient: Transport disconnected.";
m_initialSetupRequired = false;
m_authenticationRequired = false;
m_authenticated = false;
m_receiveBuffer.clear();
m_serverQtVersion.clear();
m_serverQtBuildVersion.clear();
if (m_connected) {
m_connected = false;
emit connectedChanged(false);
}
} else {
qCInfo(dcJsonRpc()) << "JsonRpcClient: Transport connected. Starting handshake.";
// Clear anything that might be left in the buffer from a previous connection.
m_receiveBuffer.clear();
// Load token for this host
QSettings settings;
settings.beginGroup("jsonTokens");
m_token = settings.value(currentHost()->uuid().toString()).toByteArray();
settings.endGroup();
QVariantMap params;
params.insert("locale", QLocale().name());
sendCommand("JSONRPC.Hello", params, this, "helloReply");
}
}
void JsonRpcClient::dataReceived(const QByteArray &data)
{
if (!m_connection->connected()) {
// Given this slot is invoked with QueuedConnection, we might still get pending data packages after a disconnected event
// In that case we can discard all pending packages as we'll have to reconnect anyways.
return;
}
// qDebug() << "JsonRpcClient: received data:" << qUtf8Printable(data);
m_receiveBuffer.append(data);
int splitIndex = m_receiveBuffer.indexOf("}\n{") + 1;
if (splitIndex <= 0) {
splitIndex = m_receiveBuffer.length();
}
QJsonParseError error;
QJsonDocument jsonDoc = QJsonDocument::fromJson(m_receiveBuffer.left(splitIndex), &error);
if (error.error != QJsonParseError::NoError) {
// qWarning() << "Could not parse json data from nymea" << m_receiveBuffer.left(splitIndex) << error.errorString();
return;
}
// qDebug() << "received response" << qUtf8Printable(jsonDoc.toJson(QJsonDocument::Indented));
m_receiveBuffer = m_receiveBuffer.right(m_receiveBuffer.length() - splitIndex - 1);
if (!m_receiveBuffer.isEmpty()) {
staticMetaObject.invokeMethod(this, "dataReceived", Qt::QueuedConnection, Q_ARG(QByteArray, QByteArray()));
}
QVariantMap dataMap = jsonDoc.toVariant().toMap();
// check if this is a notification
if (dataMap.contains("notification")) {
qCDebug(dcJsonRpc()) << "Incoming notification:" << qUtf8Printable(jsonDoc.toJson());
// Check if our permissions changed
if (dataMap.value("notification").toString() == "Users.UserChanged") {
QVariantMap userMap = dataMap.value("params").toMap().value("userInfo").toMap();
if (userMap.value("username").toString() == m_username) {
m_permissionScopes = UserInfo::listToScopes(userMap.value("scopes").toStringList());
qCInfo(dcJsonRpc()) << "Permissions changed for" << userMap.value("username") << userMap.value("scopes").toStringList().join(",") << m_permissionScopes;
emit permissionsChanged();
}
}
QStringList notification = dataMap.value("notification").toString().split(".");
QString nameSpace = notification.first();
foreach (QObject *handler, m_notificationHandlers.values(nameSpace)) {
QMetaObject::invokeMethod(handler, m_notificationHandlerMethods.value(handler).toLatin1().data(), Q_ARG(QVariantMap, dataMap));
}
return;
}
// check if this is a reply to a request
int commandId = dataMap.value("id").toInt();
JsonRpcReply *reply = m_replies.take(commandId);
if (reply) {
reply->deleteLater();
// qWarning() << QString("JsonRpc: got response for %1.%2: %3").arg(reply->nameSpace(), reply->method(), QString::fromUtf8(jsonDoc.toJson(QJsonDocument::Indented))) << reply->callback() << reply->callback();
if (dataMap.value("status").toString() == "unauthorized") {
qCWarning(dcJsonRpc()) << "Something's off with the token";
m_authenticationRequired = true;
m_token.clear();
QSettings settings;
settings.beginGroup("jsonTokens");
settings.setValue(serverUuid(), m_token);
settings.endGroup();
emit authenticationRequiredChanged();
m_authenticated = false;
emit authenticatedChanged();
}
if (dataMap.value("status").toString() == "error") {
qCWarning(dcJsonRpc()) << "An error happened in the JSONRPC layer:" << dataMap.value("error").toString();
qCWarning(dcJsonRpc()) << "Request was:" << qUtf8Printable(QJsonDocument::fromVariant(reply->requestMap()).toJson());
if (reply->nameSpace() == "JSONRPC" && reply->method() == "Hello") {
qCInfo(dcJsonRpc()) << "Hello call failed. Trying again without locale";
m_id = 0;
sendCommand("JSONRPC.Hello", QVariantMap(), this, "helloReply");
}
}
// Note: We're still forwarding a failed call, params will be empty tho...
// This should never really happen as errors on this layer indicate a but in the caller code in the first place
// Some methods however, like authenticate might fail on an invalid token tho and stil need to act on it
if (!reply->caller().isNull() && !reply->callback().isEmpty()) {
QMetaObject::invokeMethod(reply->caller(), reply->callback().toLatin1().data(), Q_ARG(int, commandId), Q_ARG(QVariantMap, dataMap.value("params").toMap()));
}
emit responseReceived(reply->commandId(), dataMap.value("params").toMap());
// If the server supports cache hashes, cache stuff locally
QString fullMethod = reply->nameSpace() + '.' + reply->method();
if (m_cacheHashes.contains(fullMethod)) {
QString hash = m_cacheHashes.value(fullMethod);
QString callSignature = fullMethod + '-' + QJsonDocument::fromVariant(reply->params()).toJson() + '-' + QLocale().name();
QString callSignatureHash = QCryptographicHash::hash(callSignature.toUtf8(), QCryptographicHash::Md5).toHex();
QFile f(QStandardPaths::writableLocation(QStandardPaths::CacheLocation) + '/' + fullMethod + '-' + callSignatureHash + '-' + hash + ".cache");
if (!f.exists() && f.open(QFile::WriteOnly | QFile::Truncate)) {
f.write(QJsonDocument::fromVariant(dataMap.value("params")).toJson());
f.close();
}
}
return;
}
}
void JsonRpcClient::helloReply(int /*commandId*/, const QVariantMap &params)
{
m_initialSetupRequired = params.value("initialSetupRequired").toBool();
m_authenticationRequired = params.value("authenticationRequired").toBool();
m_pushButtonAuthAvailable = params.value("pushButtonAuthAvailable").toBool();
emit pushButtonAuthAvailableChanged();
m_serverVersion = params.value("version").toString();
QUuid serverUuid = params.value("uuid").toUuid();
QString name = params.value("name").toString();
m_experiences.clear();
foreach (const QVariant &experience, params.value("experiences").toList()) {
m_experiences.insert(experience.toMap().value("name").toString(), experience.toMap().value("version").toString());
}
QString protoVersionString = params.value("protocol version").toString();
if (!protoVersionString.contains('.')) {
protoVersionString.prepend("0.");
}
m_jsonRpcVersion = QVersionNumber::fromString(protoVersionString);
qCInfo(dcJsonRpc()) << "Handshake reply:" << "Protocol version:" << protoVersionString << "InitRequired:" << m_initialSetupRequired << "AuthRequired:" << m_authenticationRequired << "PushButtonAvailable:" << m_pushButtonAuthAvailable;
if (m_connection->currentHost()->uuid().isNull()) {
qCDebug(dcJsonRpc()) << "Updating Server UUID in connection:" << m_connection->currentHost()->uuid().toString() << "->" << serverUuid;
m_connection->currentHost()->setUuid(serverUuid);
// Now that we know the server uuid, if we have a token for this host, let's try again.
if (tokenExists(serverUuid.toString())){
onInterfaceConnectedChanged(true);
return;
}
} else if (m_connection->currentHost()->uuid() != serverUuid) {
qCWarning(dcJsonRpc()) << "Unexpected server UUID" << serverUuid.toString() << "expected:" << m_connection->currentHost()->uuid();
emit invalidServerUuid(serverUuid);
return;
}
m_connection->currentHost()->setName(name);
QVersionNumber minimumRequiredVersion = QVersionNumber(5, 0);
QVersionNumber maximumMajorVersion = QVersionNumber(8);
if (m_jsonRpcVersion < minimumRequiredVersion) {
qCWarning(dcJsonRpc()) << "Nymea core doesn't support minimum required version. Required:" << minimumRequiredVersion << "Found:" << m_jsonRpcVersion;
emit invalidMinimumVersion(m_jsonRpcVersion.toString(), minimumRequiredVersion.toString());
return;
}
if (m_jsonRpcVersion.majorVersion() > maximumMajorVersion.majorVersion()) {
qCWarning(dcJsonRpc()) << "Nymea core has breaking API changes not supported by this app version. Core major version:" << m_jsonRpcVersion.majorVersion() << "Maximum supported major version:" << maximumMajorVersion.majorVersion();
emit invalidMaximumVersion(m_jsonRpcVersion.toString(), QString("%1.x").arg(maximumMajorVersion.majorVersion()));
return;
}
// Verify SSL certificate
if (m_connection->isEncrypted()) {
QByteArray oldPem;
QSslCertificate certificate = m_connection->sslCertificate();
if (!loadPem(serverUuid, oldPem)) {
qCInfo(dcJsonRpc()) << "No SSL certificate for this host stored. Accepting and pinning new certificate.";
// No certificate yet! Inform ui about it.
emit newSslCertificate();
storePem(serverUuid, m_connection->sslCertificate().toPem());
} else {
// We have a certificate pinned already. Check if it's the same
if (certificate.toPem() != oldPem) {
// Uh oh, the certificate has changed
qCWarning(dcJsonRpc()) << "This connections certificate has changed!";
qCWarning(dcJsonRpc()) << "Old PEM:" << oldPem;
qCWarning(dcJsonRpc()) << "New PEM:" << certificate.toPem();
// Extract certificate info before disconnecting.
QVariantMap issuerInfo = certificateIssuerInfo();
// Reject the connection until the UI explicitly accepts this...
m_connection->disconnectFromHost();
emit verifyConnectionCertificate(serverUuid.toString(), issuerInfo, certificate.toPem());
return;
}
qCInfo(dcJsonRpc()) << "This connections certificate is trusted.";
}
}
m_cacheHashes.clear();
qCDebug(dcJsonRpc()) << "Hello reply:" << qUtf8Printable(QJsonDocument::fromVariant(params).toJson());
QVariantList cacheHashes = params.value("cacheHashes").toList();
foreach (const QVariant &cacheHash, cacheHashes) {
m_cacheHashes.insert(cacheHash.toMap().value("method").toString(), cacheHash.toMap().value("hash").toString());
}
// qDebug() << "Caches:" << m_cacheHashes;
if (m_jsonRpcVersion.majorVersion() >= 6 && m_authenticationRequired) {
if (!params.value("authenticated").toBool()) {
qCWarning(dcJsonRpc) << "Seems our token is not valid!";
m_token.clear();
QSettings settings;
settings.beginGroup("jsonTokens");
settings.setValue(serverUuid.toString(), m_token);
settings.endGroup();
emit authenticationRequiredChanged();
m_authenticated = false;
emit authenticatedChanged();
return;
}
m_permissionScopes = UserInfo::listToScopes(params.value("permissionScopes").toStringList());
} else {
m_permissionScopes = UserInfo::PermissionScopeAdmin;
}
m_username = params.value("username").toString();
qCInfo(dcJsonRpc()) << "User:" << m_username << "Permissions:" << UserInfo::scopesToList(m_permissionScopes);
emit permissionsChanged();
emit handshakeReceived();
if (m_initialSetupRequired) {
qCInfo(dcJsonRpc()) << "Initial setup is required for this nymea instance!";
emit initialSetupRequiredChanged();
return;
}
if (m_authenticationRequired) {
// Reload the token, now that we're certain about the server uuid.
QSettings settings;
settings.beginGroup("jsonTokens");
m_token = settings.value(serverUuid.toString()).toByteArray();
settings.endGroup();
emit authenticationRequiredChanged();
if (m_token.isEmpty()) {
return;
}
m_authenticated = true;
qCInfo(dcJsonRpc()) << "Authenticated to nymea instance.";
emit authenticatedChanged();
}
setNotificationsEnabled();
}
JsonRpcReply::JsonRpcReply(int commandId, QString nameSpace, QString method, QVariantMap params, QPointer<QObject> caller, const QString &callback):
m_commandId(commandId),
m_nameSpace(nameSpace),
m_method(method),
m_params(params),
m_caller(caller),
m_callback(callback)
{
}
JsonRpcReply::~JsonRpcReply()
{
}
int JsonRpcReply::commandId() const
{
return m_commandId;
}
QString JsonRpcReply::nameSpace() const
{
return m_nameSpace;
}
QString JsonRpcReply::method() const
{
return m_method;
}
QVariantMap JsonRpcReply::params() const
{
return m_params;
}
QVariantMap JsonRpcReply::requestMap()
{
QVariantMap request;
request.insert("id", m_commandId);
request.insert("method", m_nameSpace + "." + m_method);
if (!m_params.isEmpty())
request.insert("params", m_params);
return request;
}
QPointer<QObject> JsonRpcReply::caller() const
{
return m_caller;
}
QString JsonRpcReply::callback() const
{
return m_callback;
}
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