fix codacy warnings

gcontini

2019-12-14 7c2489cc3dc798484e11a449fd0e305210de901b

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/*
 * LicenseVerifier.cpp
 *
 *  Created on: Nov 17, 2019
 *      Author: GC
 */
#include <cmath>
#include <algorithm>
 
#include "license_verifier.hpp"
#include "../os/signature_verifier.h"
#include "../base/StringUtils.h"
#include "../pc-identifiers.h"
 
namespace license {
using namespace std;
 
LicenseVerifier::LicenseVerifier(EventRegistry& er) : m_event_registry(er) {}
 
LicenseVerifier::~LicenseVerifier() {}
 
FUNCTION_RETURN LicenseVerifier::verify_signature(const FullLicenseInfo& licInfo) {
    const string licInfoData(licInfo.printForSign());
 
    FUNCTION_RETURN ret = license::verify_signature(licInfoData, licInfo.license_signature);
 
    if (ret == FUNC_RET_OK) {
        m_event_registry.addEvent(SIGNATURE_VERIFIED, licInfo.source);
    } else {
        m_event_registry.addEvent(LICENSE_CORRUPTED, licInfo.source);
    }
    return ret;
}
 
// TODO: split in different classes
FUNCTION_RETURN LicenseVerifier::verify_limits(const FullLicenseInfo& licInfo) {
    bool is_valid = true;
    const time_t now = time(nullptr);
    auto expiry = licInfo.m_limits.find(PARAM_EXPIRY_DATE);
    if (expiry != licInfo.m_limits.end()) {
        if (seconds_from_epoch(expiry->second) < now) {
            /*
                        eventRegistryOut.addEvent(PRODUCT_EXPIRED, source.c_str(),
                                string("Expired on: " + this->to_date).c_str());*/
            m_event_registry.addEvent(PRODUCT_EXPIRED, licInfo.source.c_str(), ("Expired " + expiry->second).c_str());
            is_valid = false;
        }
    }
    auto start_date = licInfo.m_limits.find(PARAM_BEGIN_DATE);
    if (is_valid && start_date != licInfo.m_limits.end()) {
        if (seconds_from_epoch(start_date->second) > now) {
            /*eventRegistryOut.addEvent(PRODUCT_EXPIRED, source.c_str(),
                    string("Valid from " + this->from_date).c_str());*/
            m_event_registry.addEvent(PRODUCT_EXPIRED, licInfo.source.c_str(),
                                      ("Valid from " + start_date->second).c_str());
            is_valid = false;
        }
    }
    auto client_sig = licInfo.m_limits.find(PARAM_CLIENT_SIGNATURE);
    if (is_valid && client_sig != licInfo.m_limits.end()) {
        PcSignature str_code;
        strncpy(str_code, client_sig->second.c_str(), sizeof(str_code) - 1);
        const EVENT_TYPE event = validate_pc_signature(str_code);
        m_event_registry.addEvent(event, licInfo.source);
        is_valid = is_valid && (event == LICENSE_OK);
    }
    return is_valid ? FUNC_RET_OK : FUNC_RET_ERROR;
}
 
LicenseInfo LicenseVerifier::toLicenseInfo(const FullLicenseInfo& fullLicInfo) const {
    LicenseInfo info;
    info.license_type = LOCAL;
 
    auto expiry = fullLicInfo.m_limits.find(PARAM_EXPIRY_DATE);
    if (expiry != fullLicInfo.m_limits.end()) {
        strncpy(info.expiry_date, expiry->second.c_str(), sizeof(info.expiry_date));
        info.has_expiry = true;
        const double secs = difftime(seconds_from_epoch(expiry->second), time(nullptr));
        info.days_left = max((int)round(secs / (60 * 60 * 24)), 0);
    } else {
        info.has_expiry = false;
        info.days_left = 9999;
        info.expiry_date[0] = '\0';
    }
 
    auto start_date = fullLicInfo.m_limits.find(PARAM_BEGIN_DATE);
    if (start_date != fullLicInfo.m_limits.end()) {
    }
 
    auto client_sig = fullLicInfo.m_limits.find(PARAM_CLIENT_SIGNATURE);
    info.linked_to_pc = (client_sig != fullLicInfo.m_limits.end());
 
    auto proprietary_data = fullLicInfo.m_limits.find(PARAM_EXTRA_DATA);
    if (proprietary_data != fullLicInfo.m_limits.end()) {
        strncpy(info.proprietary_data, proprietary_data->second.c_str(), PROPRIETARY_DATA_SIZE);
    }
    return info;
}
 
} /* namespace license */