bool get_cert_cache_expiration_time()

in src/dcap_provider.cpp [293:336]

• 43 lines of code
• 4 McCabe index (conditional complexity)

bool get_cert_cache_expiration_time(const string& cache_max_age, const string& url, time_t& expiration_time)
{
    time_t max_age = 0;
    tm* max_age_s = localtime(&max_age);
    int cache_time_seconds = 0;
    constexpr int MAX_CACHE_TIME_SECONDS = 86400;
    try
    {
        cache_time_seconds = stoi(cache_max_age);
        if (cache_time_seconds > MAX_CACHE_TIME_SECONDS)
        {
            log(SGX_QL_LOG_ERROR,
                "Caching control '%d' larger than maximum '%d' seconds. Collateral will not be cached",
                cache_time_seconds,
                MAX_CACHE_TIME_SECONDS);
            return false;
        }
    }
    catch (const std::invalid_argument& e)
    {
        log(SGX_QL_LOG_ERROR,
            "Invalid argument thrown when parsing cache-control. Header text: '%s' Error: '%s'. Collateral will not be cached",
            cache_max_age.c_str(),
            e.what());
        return false;
    }
    catch (const std::out_of_range& e)
    {
        log(SGX_QL_LOG_ERROR,
            "Invalid argument thrown when parsing cache-control. Header "
            "text: '%s' Error: '%s'. Collateral will not be cached",
            cache_max_age.c_str(),
            e.what());
        return false;
    }

    max_age_s->tm_sec += cache_time_seconds;
    expiration_time = time(nullptr) + mktime(max_age_s);
    log(SGX_QL_LOG_INFO,
        "Caching collateral '%s' for '%d' seconds",
        url.c_str(),
        cache_time_seconds);
    return true;
}