http/parsing.hpp

#ifndef THIRD_PARTY_GBMCWEB_HTTP_PARSING_H_
#define THIRD_PARTY_GBMCWEB_HTTP_PARSING_H_

#include <cstdint>
#include <string_view>

#include "boost/algorithm/string/predicate.hpp"  // NOLINT
#include "http_request.hpp"
#include "logging.hpp"
#include <nlohmann/json.hpp>

enum class JsonParseResult : std::uint8_t {
  BadContentType,
  BadJsonData,
  Success,
};

inline JsonParseResult parseRequestAsJson(const crow::Request& req,
                                          nlohmann::json& jsonOut) {
  std::string_view content_type =
      req.getHeaderValue(boost::beast::http::field::content_type);

  if (!boost::iequals(content_type, "application/json") &&
      !boost::iequals(content_type, "application/json; charset=utf-8")) {
    BMCWEB_LOG_WARNING << "Failed to parse content type on request";
#ifndef BMCWEB_INSECURE_IGNORE_CONTENT_TYPE
    return JsonParseResult::BadContentType;
#endif
  }
  jsonOut = nlohmann::json::parse(req.body(), nullptr, false);
  if (jsonOut.is_discarded()) {
    BMCWEB_LOG_WARNING << "Failed to parse json in request";
    return JsonParseResult::BadJsonData;
  }

  return JsonParseResult::Success;
}
#endif  // THIRD_PARTY_GBMCWEB_HTTP_PARSING_H_