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powersync-app/guh-control/jsonrpc/jsonrpcclient.cpp
2017-10-22 18:40:17 +02:00

399 lines
14 KiB
C++

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* *
* Copyright (C) 2017 Simon Stuerz <simon.stuerz@guh.io> *
* *
* This file is part of guh-control. *
* *
* guh-control is free software: you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation, version 3 of the License. *
* *
* guh-control 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 guh-control. If not, see <http://www.gnu.org/licenses/>. *
* *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#include "jsonrpcclient.h"
#include "guhconnection.h"
#include "types/param.h"
#include "types/params.h"
#include <QJsonDocument>
#include <QVariantMap>
#include <QDebug>
#include <QUuid>
#include <QSettings>
JsonRpcClient::JsonRpcClient(GuhConnection *connection, QObject *parent) :
JsonHandler(parent),
m_id(0),
m_connection(connection)
{
m_deviceHandler = new DeviceHandler(this);
m_actionHandler = new ActionHandler(this);
m_eventHandler = new EventHandler(this);
m_loggingHandler = new LoggingHandler(this);
m_networkManagerHandler = new NetworkManagerHandler(this);
m_handlers.insert(m_deviceHandler->nameSpace(), m_deviceHandler);
m_handlers.insert(m_actionHandler->nameSpace(), m_actionHandler);
m_handlers.insert(m_eventHandler->nameSpace(), m_eventHandler);
m_handlers.insert(m_loggingHandler->nameSpace(), m_loggingHandler);
m_handlers.insert(m_networkManagerHandler->nameSpace(), m_networkManagerHandler);
m_handlers.insert(nameSpace(), this);
connect(m_connection, &GuhConnection::connectedChanged, this, &JsonRpcClient::onInterfaceConnectedChanged);
connect(m_connection, &GuhConnection::dataAvailable, this, &JsonRpcClient::dataReceived);
}
QString JsonRpcClient::nameSpace() const
{
return QStringLiteral("JSONRPC");
}
void JsonRpcClient::getVendors()
{
qDebug() << "JsonRpc: get vendors";
JsonRpcReply *reply = createReply("Devices", "GetSupportedVendors");
m_replies.insert(reply->commandId(), reply);
sendRequest(reply->requestMap());
}
void JsonRpcClient::getPlugins()
{
qDebug() << "JsonRpc: get plugins";
JsonRpcReply *reply = createReply("Devices", "GetPlugins");
m_replies.insert(reply->commandId(), reply);
sendRequest(reply->requestMap());
}
void JsonRpcClient::getDevices()
{
qDebug() << "JsonRpc: get devices";
JsonRpcReply *reply = createReply("Devices", "GetConfiguredDevices");
m_replies.insert(reply->commandId(), reply);
sendRequest(reply->requestMap());
}
void JsonRpcClient::getDeviceClasses()
{
qDebug() << "JsonRpc: get device classes";
JsonRpcReply *reply = createReply("Devices", "GetSupportedDevices");
m_replies.insert(reply->commandId(), reply);
sendRequest(reply->requestMap());
}
void JsonRpcClient::setNotificationsEnabled(bool enabled)
{
QVariantMap params;
params.insert("notificationsEnabled", enabled);
JsonRpcReply *reply = createReply("JSONRPC", "SetNotificationsEnabled", params);
m_replies.insert(reply->commandId(), reply);
sendRequest(reply->requestMap());
}
bool JsonRpcClient::connected() const
{
return m_connected;
}
bool JsonRpcClient::initialSetupRequired() const
{
return m_initialSetupRequired;
}
bool JsonRpcClient::authenticationRequired() const
{
return m_authenticationRequired && m_token.isEmpty();
}
int JsonRpcClient::createUser(const QString &username, const QString &password)
{
QVariantMap params;
params.insert("username", username);
params.insert("password", password);
JsonRpcReply* reply = createReply("JSONRPC", "CreateUser", params);
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);
JsonRpcReply* reply = createReply("JSONRPC", "Authenticate", params);
m_replies.insert(reply->commandId(), reply);
m_connection->sendData(QJsonDocument::fromVariant(reply->requestMap()).toJson());
return reply->commandId();
}
int JsonRpcClient::addDevice(const QUuid &deviceClassId, const QVariantList &deviceParams)
{
qDebug() << "JsonRpc: add device " << deviceClassId.toString();
QVariantMap params;
params.insert("deviceClassId", deviceClassId.toString());
params.insert("deviceParams", deviceParams);
JsonRpcReply *reply = createReply("Devices", "AddConfiguredDevice", params);
m_replies.insert(reply->commandId(), reply);
sendRequest(reply->requestMap());
return reply->commandId();
}
int JsonRpcClient::addDiscoveredDevice(const QUuid &deviceClassId, const QUuid &deviceDescriptorId, const QString &name)
{
qDebug() << "JsonRpc: add discovered device " << deviceClassId.toString();
QVariantMap params;
params.insert("deviceClassId", deviceClassId.toString());
params.insert("name", name);
params.insert("deviceDescriptorId", deviceDescriptorId.toString());
JsonRpcReply *reply = createReply("Devices", "AddConfiguredDevice", params);
m_replies.insert(reply->commandId(), reply);
sendRequest(reply->requestMap());
return reply->commandId();
}
int JsonRpcClient::pairDevice(const QUuid &deviceClassId, const QUuid &deviceDescriptorId)
{
qDebug() << "JsonRpc: pair device " << deviceClassId.toString();
QVariantMap params;
params.insert("name", "name");
params.insert("deviceClassId", deviceClassId.toString());
params.insert("deviceDescriptorId", deviceDescriptorId.toString());
JsonRpcReply *reply = createReply("Devices", "PairDevice", params);
m_replies.insert(reply->commandId(), reply);
sendRequest(reply->requestMap());
return reply->commandId();
}
int JsonRpcClient::confirmPairing(const QUuid &pairingTransactionId, const QString &secret)
{
qDebug() << "JsonRpc: confirm pairing" << pairingTransactionId.toString();
QVariantMap params;
params.insert("pairingTransactionId", pairingTransactionId.toString());
params.insert("secret", secret);
JsonRpcReply *reply = createReply("Devices", "ConfirmPairing", params);
m_replies.insert(reply->commandId(), reply);
sendRequest(reply->requestMap());
return reply->commandId();
}
int JsonRpcClient::removeDevice(const QUuid &deviceId)
{
qDebug() << "JsonRpc: delete device" << deviceId.toString();
QVariantMap params;
params.insert("deviceId", deviceId.toString());
JsonRpcReply *reply = createReply("Devices", "RemoveConfiguredDevice", params);
m_replies.insert(reply->commandId(), reply);
sendRequest(reply->requestMap());
return reply->commandId();
}
int JsonRpcClient::discoverDevices(const QUuid &deviceClassId, const QVariantList &discoveryParams)
{
qDebug() << "JsonRpc: discover devices " << deviceClassId.toString();
QVariantMap params;
params.insert("deviceClassId", deviceClassId.toString());
if (!discoveryParams.isEmpty()) {
params.insert("discoveryParams", discoveryParams);
}
JsonRpcReply *reply = createReply("Devices", "GetDiscoveredDevices", params);
m_replies.insert(reply->commandId(), reply);
sendRequest(reply->requestMap());
return reply->commandId();
}
int JsonRpcClient::executeAction(const QUuid &deviceId, const QUuid &actionTypeId, const QVariantList &params)
{
qDebug() << "JsonRpc: execute action " << deviceId.toString() << actionTypeId.toString() << params;
QVariantMap p;
p.insert("deviceId", deviceId.toString());
p.insert("actionTypeId", actionTypeId.toString());
if (!params.isEmpty()) {
p.insert("params", params);
}
qDebug() << "Params:" << p;
JsonRpcReply *reply = createReply("Actions", "ExecuteAction", p);
m_replies.insert(reply->commandId(), reply);
sendRequest(reply->requestMap());
return reply->commandId();
}
void JsonRpcClient::processAuthenticate(const QVariantMap &data)
{
qDebug() << "authenticate response" << data;
if (data.value("status").toString() == "success" && data.value("params").toMap().value("success").toBool()) {
m_token = data.value("params").toMap().value("token").toByteArray();
QSettings settings;
settings.beginGroup("jsonTokens");
settings.setValue(m_serverUuid, m_token);
settings.endGroup();
emit authenticationRequiredChanged();
setNotificationsEnabled(true);
}
}
void JsonRpcClient::processCreateUser(const QVariantMap &data)
{
qDebug() << "create user response:" << data;
if (data.value("status").toString() == "success" && data.value("params").toMap().value("error").toString() == "UserErrorNoError") {
m_initialSetupRequired = false;
emit initialSetupRequiredChanged();
}
}
JsonRpcReply *JsonRpcClient::createReply(QString nameSpace, QString method, QVariantMap params)
{
m_id++;
return new JsonRpcReply(m_id, nameSpace, method, params, this);
}
void JsonRpcClient::sendRequest(const QVariantMap &request)
{
QVariantMap newRequest = request;
newRequest.insert("token", m_token);
qDebug() << "Sending request" << QJsonDocument::fromVariant(newRequest).toJson();
m_connection->sendData(QJsonDocument::fromVariant(newRequest).toJson());
}
void JsonRpcClient::onInterfaceConnectedChanged(bool connected)
{
if (!connected) {
m_initialSetupRequired = false;
m_authenticationRequired = false;
if (m_connected) {
m_connected = false;
emit connectedChanged(false);
}
}
}
void JsonRpcClient::dataReceived(const QByteArray &data)
{
m_receiveBuffer.append(data);
// qDebug() << "received response" << m_receiveBuffer;
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 guh" << data << error.errorString();
return;
}
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 the initial handshake
if (dataMap.value("id").toInt() == 0) {
m_initialSetupRequired = dataMap.value("initialSetupRequired").toBool();
m_authenticationRequired = dataMap.value("authenticationRequired").toBool();
m_serverUuid = dataMap.value("uuid").toString();
if (m_initialSetupRequired) {
emit initialSetupRequiredChanged();
} else if (m_authenticationRequired) {
QSettings settings;
settings.beginGroup("jsonTokens");
m_token = settings.value(m_serverUuid).toByteArray();
settings.endGroup();
emit authenticationRequiredChanged();
if (!m_token.isEmpty()) {
setNotificationsEnabled(true);
}
}
m_connected = true;
emit connectedChanged(true);
}
// check if this is a reply to a request
int commandId = dataMap.value("id").toInt();
JsonRpcReply *reply = m_replies.take(commandId);
if (reply) {
// qDebug() << QString("JsonRpc: got response for %1.%2").arg(reply->nameSpace(), reply->method()) << data;
JsonHandler *handler = m_handlers.value(reply->nameSpace());
if (!QMetaObject::invokeMethod(handler, QString("process" + reply->method()).toLatin1().data(), Q_ARG(QVariantMap, dataMap)))
qWarning() << "JsonRpc: method not implemented:" << reply->method();
emit responseReceived(reply->commandId(), dataMap.value("params").toMap());
return;
}
// check if this is a notification
if (dataMap.contains("notification")) {
QStringList notification = dataMap.value("notification").toString().split(".");
QString nameSpace = notification.first();
QString method = notification.last();
JsonHandler *handler = m_handlers.value(nameSpace);
if (!handler) {
qWarning() << "JsonRpc: handler not implemented:" << nameSpace;
return;
}
if (!QMetaObject::invokeMethod(handler, QString("process" + method).toLatin1().data(), Q_ARG(QVariantMap, dataMap)))
qWarning() << "method not implemented";
}
}
JsonRpcReply::JsonRpcReply(int commandId, QString nameSpace, QString method, QVariantMap params, QObject *parent):
QObject(parent),
m_commandId(commandId),
m_nameSpace(nameSpace),
m_method(method),
m_params(params)
{
}
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;
}