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/* Copyright (C) 2022 The Qt Company Ltd.
*
* SPDX-License-Identifier: GPL-3.0-only WITH Qt-GPL-exception-1.0
*/
#include "clienthandler.h"
#include "jsonhandler.h"
#include "utils.h"
namespace QLicenseService {
bool ClientHandler::checkLicenseExpiryTime(std::string &reply)
{
if (m_floatingLicense) {
// No checking from stored files in case of floating license
return false;
}
std::cout << "Offline - checking validity from license file " << m_request.licenseFile << std::endl;
// Open the license file
std::string data;
if (utils::readFile(data, m_request.licenseFile) != 0) {
std::cout << "No license file - rejecting license " << m_request.licenseFile << std::endl;
reply = replyString[e_bad_connection];
return false;
}
JsonHandler license(data);
// Check license status
if (license.get("status") != "true") {
std::cout << "License status = false: Rejecting license\n";
reply = replyString[e_bad_connection];
return false;
}
// Expiry date. Add 1 day to expiry date to get the end actually at the beginning of the next day
std::string expDate = license.get("expiry_date");
std::time_t expEpoch = utils::stringToEpoch(expDate.c_str()) + SECS_IN_DAY;
// Current date
std::time_t current = std::time(0);
// See if the time has expire
if (current > expEpoch) {
// Store the leeway time if applicable
if (license.get("leeway_hours") != "") {
m_license.leeway_hours = license.getInt("leeway_hours");
m_license.current_timestamp = current;
m_license.expiry_epoch = expEpoch;
}
return false;
}
std::cout << "License granted, expires at " << expDate << std::endl;
reply = replyString[e_license_granted];
return true;
}
int ClientHandler::parseRequest()
{
// First find out the command, and drop it out from the list
std::string cmd = utils::trimStr(params[0]);
params.erase(params.begin());
m_request.reqType = RequestType::no_request;
if (cmd == LICENSE_REQUEST_CMD) {
m_request.reqType = RequestType::license_request;
} else if (cmd ==PERMANENT_REQUEST_CMD) {
m_request.reqType = RequestType::long_term_request;
// find either 'add' or 'remove'
if (params.size() > 0) {
if (params[0] != OP_ADD_RESERVATION && params[0] != OP_REMOVE_RESERVATION) {
std::cout << "Invalid operation for permanent request: " << params[0] << std::endl;
return e_bad_request;
}
m_request.operation = params[0];
} else {
std::cout << "No operation for permanent request: 'add' or 'remove' needed\n";
return e_bad_request;
}
// Found and operation: Not needed in the list any more
params.erase(params.begin());
} else if (cmd == SERVER_VERSION_CMD) {
m_request.reqType = RequestType::server_version;
buildRequestJson();
return 0;
} else if (cmd == DAEMON_VERSION_CMD) {
m_request.reqType = RequestType::daemon_version;
} else if (cmd == RESERVATION_QUERY_CMD) {
m_request.reqType = RequestType::reservation_query;
} else {
std::cout << "Invalid command: " << cmd << std::endl;
return e_bad_request;
}
bool argFound = false;
std::string arg;
for (const std::string &item : params) {
if (item.empty()) {
continue;
}
if (!argFound) {
if (item[0] == '-') {
arg = item;
argFound = true;
continue;
}
else {
std::cout << "Not a valid argument: \"" << item << "\"\n";
return e_bad_request;
}
} else {
if (arg == "-a") m_request.appName = utils::strToLower(item);
else if (arg == "-v") m_request.appVersion = item;
else if (arg == "-u") m_request.userId = item;
else if (arg == "-i") m_request.licenseId = item;
else if (arg == "-p") m_request.parentReservationId = item;
else if (arg == "-r") m_request.runnerType = item;
else if (arg == "-e") m_request.email = item;
else if (arg == "-l") m_request.serverAddr = item;
else {
std::cout << "Invalid argument: \"" << arg << "\"\n";
return e_bad_request;
}
argFound = false;
arg = "";
}
}
// Check if we're run out of items in argument list without getting the value:
if (argFound) {
std::cout << "No value for argument: \"" << arg << "\"\n";
return e_bad_request;
}
if (!m_request.parentReservationId.empty()) {
m_hasParent = true;
}
std::stringstream ss;
ss << WORKING_DIR << DIR_SEPARATOR << LICENSE_FILE_PREFIX;
ss << m_request.userId << "_" << m_request.licenseId << LICENSE_FILE_EXTENSION;
m_request.licenseFile += ss.str();
buildRequestJson();
return 0;
}
bool ClientHandler::checkLeewayTime(std::string &reply)
{
// Leeway time granted?
if (m_license.leeway_hours == 0) {
return false;
}
// License expired and offline: Allow some leeway time
int leewayTimeLeft = m_license.expiry_epoch + (m_license.leeway_hours * SECS_IN_HOUR) - m_license.current_timestamp;
if (leewayTimeLeft > 0) {
std::stringstream ss;
ss << replyString[e_no_conn_leeway]
<< std::fixed << std::setprecision(1)
<< (float)leewayTimeLeft / SECS_IN_DAY << " days";
reply = ss.str();
return true;
}
return false;
}
void ClientHandler::updateLicense(const std::string &responseJson)
{
JsonHandler json(responseJson);
m_license.status = json.getBool("status");
m_license.message = json.get("message");
m_license.leeway_hours = json.getInt("leeway_hours");
m_license.last_timestamp = utils::getTimestampNow();
m_license.expiry_date = json.get("expiry_date");
m_license.license_key = json.get("license_key");
m_license.license_id = json.get("license_number");
m_license.reservation_id = json.get("reservation_id");
m_license.user_id = json.get("user_id");
}
void ClientHandler::addChildClient(ClientHandler *client)
{
m_childClients[client->getSocketId()] = client;
}
void ClientHandler::removeCachedFile() {
utils::deleteFile(m_request.licenseFile);
}
void ClientHandler::resetTime()
{
m_license.last_timestamp = utils::getTimestampNow();
}
bool ClientHandler::removeChildClient(uint16_t socketId)
{
if (m_childClients.find(socketId) != m_childClients.end()) {
ClientHandler *client = m_childClients[socketId];
m_childClients.erase(socketId);
delete client;
return true;
}
return false;
}
bool ClientHandler::clientInStorage(uint16_t socketId)
{
if (m_childClients.find(socketId) != m_childClients.end()) {
return true;
}
return false;
}
} // namespace QLicenseService
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