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/*
* Copyright (C) 2017 Konsulko Group
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <QDebug>
#include <QJsonArray>
#include <QJsonDocument>
#include <QJsonObject>
#include <QJsonValue>
#include "message.h"
Message::Message()
: m_init(false), m_event(false), m_reply(false)
{
}
bool Message::createRequest(QString api, QString verb, QJsonValue parameter)
{
QJsonArray *request = new QJsonArray;
request->append(Call);
request->append(9999);
request->append(api + (QString)("/") + verb);
request->append(QJsonValue(parameter));
QJsonDocument jdoc;
jdoc.setArray(*request);
m_jdoc = jdoc;
m_init = true;
return true;
}
bool Message::fromJson(QByteArray jsonData)
{
QJsonDocument jdoc(QJsonDocument::fromJson(jsonData));
if (jdoc.isNull()) {
qWarning("Imported invalid JSON: empty appfw message");
return false;
}
return Message::fromJDoc(jdoc);
}
bool Message::fromJDoc(QJsonDocument jdoc)
{
// Validate message is array
if (!jdoc.isArray()) {
qWarning("Invalid appfw message: not an array");
return false;
}
QJsonArray msg = jdoc.array();
// Validate array is proper length
if ((msg.size() < 3) || (msg.size() > 4)) {
qWarning("Invalid appfw message: invalid array size");
return false;
}
// Validate msgid type
double msgid;
if (msg[0].isDouble()) {
msgid = msg[0].toDouble();
} else {
qWarning("Invalid appfw message: invalid msgid type");
return false;
}
// Validate msgid element
if ((msgid < Call) || (msgid > Event)) {
qWarning("Invalid appfw message: msgid out of range");
return false;
}
// Validate that the payload has a request object
QJsonObject payload;
if (msg[2].isObject()) {
payload = msg[2].toObject();
} else {
qWarning("Invalid appfw payload: no JSON object");
return false;
}
if ((msgid == RetOk) || (msgid == RetErr)) {
auto request_iter = payload.find("request");
auto request = request_iter.value().toObject();
if (request.empty()) {
qWarning("Invalid appfw reply message: empty request data");
return false;
}
auto status_iter = request.find("status");
auto info_iter = request.find("info");
auto response_iter = payload.find("response");
auto response = response_iter.value().toObject();
m_reply_status = status_iter.value().toString();
m_reply_info = info_iter.value().toString();
m_reply_data = response;
m_reply = true;
} else if (msgid == Event) {
// If event, save data object
auto data_iter = payload.find("data");
m_event_data = data_iter.value().toObject();
auto event_iter = payload.find("event");
auto event_string = event_iter.value().toString();
if (event_string.isEmpty()) {
qWarning("Invalid appfw event message: empty event name");
return false;
}
QStringList event_strings = event_string.split(QRegExp("/"));
if (event_strings.size() != 2) {
qWarning("Invalid appfw event message: malformed event name");
return false;
}
m_event_api = event_strings[0];
m_event_name = event_strings[1];
m_event = true;
}
m_jdoc = jdoc;
m_init = true;
return m_init;
}
QByteArray Message::toJson(QJsonDocument::JsonFormat format)
{
return m_jdoc.toJson(format).data();
}
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