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/* Copyright (C) 2022 The Qt Company Ltd.
*
* SPDX-License-Identifier: GPL-3.0-only WITH Qt-GPL-exception-1.0
*/
#pragma once
#include "clienthandler.h"
#include "jsonhandler.h"
#include "utils.h"
namespace QLicenseService {
class MocHandler : virtual public ClientHandler {
public:
MocHandler(const RequestInfo &request, const LicdSetup &settings)
: ClientHandler(request, settings)
{
m_updateInterval = utils::strToInt(m_settings.get("moc_renewal_interval")) * SECS_IN_HOUR;
}
bool isCachedReservationValid(std::string &reply) override
{
if (!checkLicenseExpiryTime(reply)) {
if (checkLeewayTime(reply)) {
return true;
}
} else {
reply = replyString[e_license_granted];
return true;
}
return false;
}
void buildRequestJson() override
{
std::stringstream pay;
pay << "{";
pay<< "\"license_number\":" << "\"" << m_request.licenseId << "\",";
pay << "\"user_id\":" << "\"" << m_request.userId << "\",";
pay << "\"hw_id\":" << "\"" << m_settings.get("hw_id") << "\",";
pay << "\"src\":" << "\"" << m_request.appName << "\",";
pay << "\"host_os\":" << "\"" << m_settings.get("host_os") << "\",";
pay << "\"src_version\":" << "\"" << m_request.appVersion << "\",";
pay << "\"email\":" << "\"" << m_request.email << "\"";
pay << "}";
m_request.payload = pay.str();
}
bool isLicenseRequestDue() override
{
std::cout << "MOC calling, checking if renewal is needed\n";
// Open the license file
std::string data;
if (utils::readFile(data, m_request.licenseFile) != 0) {
// If there is no license file yet, have to request anyway
std::cout << "No license present (" << m_request.licenseFile << ") - requesting license\n";
return true;
}
JsonHandler license(data);
if (license.get("status") != "true") {
// Cached license not valid
return true;
}
uint64_t timeNow = utils::getTimestampNow();
if (timeNow > utils::strToInt(license.get("last_timestamp")) + m_updateInterval) {
// Renewal is due
std::cout << "Requesting license renewal\n";
return true;
}
std::cout << "Renewal time not due, granting license\n";
return false;
}
int parseAndSaveResponse(std::string &response) override
{
JsonHandler json(response);
// response JSON is converted to a reply string to the client from now on
std::stringstream ss;
if (json.get("status") != "true") {
if (json.get("message") == "License fully reserved") {
response = replyString[e_license_pool_full];
} else {
response = replyString[e_license_rejected];
}
// Remove the license file and return
utils::deleteFile(m_request.licenseFile);
return 1;
}
ss << replyString[e_license_granted];
ss << " expiry_date=" << json.get("expiry_date");
ss << " license_id=" << json.get("license_number");
ss << " reservation_id=" << json.get("reservation_id");
response = ss.str();
// Add timestamp into license JSON
json.add("last_timestamp", utils::getTimestampNow());
// Save the license JSON
int result = utils::writeToFile(m_request.licenseFile, json.dump(4));
if (result != 0) {
std::cout << "ERROR saving license file: '" << m_request.licenseFile << "': " << strerror(result) << std::endl;
}
return 0;
}
};
} // namespace QLicenseService
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