Function requestJson

src/network.cpp:86–173

json_t* requestJson(Method method, const std::string& url, json_t* dataJ, const CookieMap& cookies) {
	std::string urlS = url;
	CURL* curl = createCurl();
	char* reqStr = NULL;

	// Process data
	if (dataJ) {
		if (method == METHOD_GET) {
			// Append ?key1=value1&key2=value2&... to url
			urlS += "?";
			bool isFirst = true;
			const char* key;
			json_t* value;
			json_object_foreach(dataJ, key, value) {
				if (json_is_string(value)) {
					if (!isFirst)
						urlS += "&";
					urlS += key;
					urlS += "=";
					const char* str = json_string_value(value);
					size_t len = json_string_length(value);
					char* escapedStr = curl_easy_escape(curl, str, len);
					urlS += escapedStr;
					curl_free(escapedStr);
					isFirst = false;
				}
			}
		}
		else {
			reqStr = json_dumps(dataJ, 0);
		}
	}

	curl_easy_setopt(curl, CURLOPT_URL, urlS.c_str());

	// Set HTTP method
	if (method == METHOD_GET) {
		// This is CURL's default
	}
	else if (method == METHOD_POST) {
		curl_easy_setopt(curl, CURLOPT_POST, true);
	}
	else if (method == METHOD_PUT) {
		curl_easy_setopt(curl, CURLOPT_UPLOAD, true);
	}
	else if (method == METHOD_DELETE) {
		curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, "DELETE");
	}

	// Set headers
	struct curl_slist* headers = NULL;
	headers = curl_slist_append(headers, "Accept: application/json");
	headers = curl_slist_append(headers, "Content-Type: application/json");
	curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);

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