memgraph/speedy/rapidjson_middleware.hpp

38 lines
925 B
C++

#ifndef MEMGRAPH_SPEEDY_RAPIDJSON_MIDDLEWARE_HPP
#define MEMGRAPH_SPEEDY_RAPIDJSON_MIDDLEWARE_HPP
#include <iostream>
#include "request.hpp"
#include "response.hpp"
#include "http/status_codes.hpp"
#include "rapidjson/document.h"
#include "rapidjson/error/en.h"
namespace sp
{
bool rapidjson_middleware(sp::Request& req, sp::Response& res)
{
// the body is empty and json parsing isn't necessary
if (req.body.empty())
return true;
// the body is successfuly parsed
if(!req.json.Parse(req.body.c_str()).HasParseError())
return true;
// some kind of parse error occurred
// return the error message to the client
auto error_str = rapidjson::GetParseError_En(req.json.GetParseError());
std::string parse_error = "JSON parse error: " + std::string(error_str);
res.send(http::Status::BadRequest, parse_error);
// stop further execution
return false;
}
}
#endif