Function Do

src/openrct2/core/Http.cURL.cpp:85–172

    }

    Response Do(const Request& req)
    {
        try
        {
            CURL* curl = curl_easy_init();
            std::shared_ptr<void> _(nullptr, [curl](...) { curl_easy_cleanup(curl); });

            if (!curl)
                throw std::runtime_error("Failed to initialize curl");

            Response res;
            WriteThis wt;

            if (req.method == Method::POST || req.method == Method::PUT)
            {
                wt.readptr = req.body.c_str();
                wt.sizeleft = req.body.size();

                curl_easy_setopt(curl, CURLOPT_READFUNCTION, ReadCallback);
                curl_easy_setopt(curl, CURLOPT_READDATA, &wt);
                curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE, static_cast<long>(wt.sizeleft));
            }

            if (req.forceIPv4)
                curl_easy_setopt(curl, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4);

            if (req.method == Method::POST)
                curl_easy_setopt(curl, CURLOPT_POST, 1L);

            if (req.method == Method::PUT)
                curl_easy_setopt(curl, CURLOPT_UPLOAD, 1L);

            curl_easy_setopt(curl, CURLOPT_URL, req.url.c_str());
            curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, true);
            curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, WriteData);
            curl_easy_setopt(curl, CURLOPT_WRITEDATA, static_cast<void*>(&res));
            curl_easy_setopt(curl, CURLOPT_HEADERFUNCTION, HeaderCallback);
            curl_easy_setopt(curl, CURLOPT_HEADERDATA, static_cast<void*>(&res));
            curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, true);
            curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, true);
            curl_easy_setopt(curl, CURLOPT_USERAGENT, kOpenRCT2UserAgent);

            curl_slist* chunk = nullptr;
            std::shared_ptr<void> __(nullptr, [chunk](...) { curl_slist_free_all(chunk); });
            for (auto header : req.header)
            {
                std::string hs = header.first + ": " + header.second;
                chunk = curl_slist_append(chunk, hs.c_str());
            }
            if (req.header.size() != 0)
            {
                if (chunk == nullptr)
                {
                    throw std::runtime_error("Failed to set headers");
                }
                curl_easy_setopt(curl, CURLOPT_HTTPHEADER, chunk);
            }