Function requestDownload

src/network.cpp:188–222

bool requestDownload(const std::string& url, const std::string& filename, float* progress, const CookieMap& cookies) {
	CURL* curl = createCurl();

	FILE* file = std::fopen(filename.c_str(), "wb");
	if (!file)
		return false;

	curl_easy_setopt(curl, CURLOPT_URL, url.c_str());
	curl_easy_setopt(curl, CURLOPT_NOPROGRESS, false);
	curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, NULL);
	curl_easy_setopt(curl, CURLOPT_WRITEDATA, file);
	curl_easy_setopt(curl, CURLOPT_XFERINFOFUNCTION, xferInfoCallback);
	curl_easy_setopt(curl, CURLOPT_XFERINFODATA, progress);
	// Fail on 4xx and 5xx HTTP codes
	curl_easy_setopt(curl, CURLOPT_FAILONERROR, true);

	// Cookies
	if (!cookies.empty()) {
		curl_easy_setopt(curl, CURLOPT_COOKIE, getCookieString(cookies).c_str());
	}

	INFO("Requesting download %s", url.c_str());
	CURLcode res = curl_easy_perform(curl);
	curl_easy_cleanup(curl);

	std::fclose(file);

	if (res != CURLE_OK) {
		system::remove(filename);
		WARN("Could not download %s: %s", url.c_str(), curl_easy_strerror(res));
		return false;
	}

	return true;
}


std::string encodeUrl(const std::string& s) {