include/openbmc_dbus_rest.hpp

#ifndef THIRD_PARTY_GBMCWEB_INCLUDE_OPENBMC_DBUS_REST_H_
#define THIRD_PARTY_GBMCWEB_INCLUDE_OPENBMC_DBUS_REST_H_

// Copyright (c) 2018 Intel Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#include <systemd/sd-bus-protocol.h>
#include <systemd/sd-bus.h>
#include <tinyxml2.h>

#include <array>
#include <cerrno>
#include <cstdint>
#include <cstring>
#include <filesystem>  // NOLINT
#include <fstream>
#include <initializer_list>
#include <iterator>
#include <limits>
#include <map>
#include <memory>
#include <regex>  // NOLINT
#include <span>   // NOLINT
#include <string>
#include <string_view>
#include <type_traits>
#include <utility>
#include <variant>
#include <vector>

#include "boost/algorithm/string/classification.hpp"  // NOLINT
#include "boost/algorithm/string/predicate.hpp"  // NOLINT
#include "boost/beast/http/status.hpp"  // NOLINT
#include "boost/beast/http/verb.hpp"  // NOLINT
#include "boost/container/flat_map.hpp"  // NOLINT
#include "boost/container/vector.hpp"  // NOLINT
#include "boost/iterator/iterator_facade.hpp"  // NOLINT
#include "boost/system/error_code.hpp"  // NOLINT
#include "app.hpp"
#include "http_request.hpp"
#include "http_response.hpp"
#include "logging.hpp"
#include "parsing.hpp"
#include "routing.hpp"
#include "async_resp.hpp"
#include "dbus_utility.hpp"
#include <nlohmann/json.hpp>
#include "managed_store.hpp"
#include "managed_store_types.hpp"
#include "sdbusplus/asio/connection.hpp"
#include "sdbusplus/message.hpp"
#include "sdbusplus/message/native_types.hpp"

// IWYU pragma: no_include <boost/algorithm/string/detail/classification.hpp>
// IWYU pragma: no_include <boost/system/detail/error_code.hpp>
// IWYU pragma: no_include <boost/system/detail/error_category.hpp>
// IWYU pragma: no_include <errno.h>
// IWYU pragma: no_include <string.h>
// IWYU pragma: no_include <ext/alloc_traits.h>
// IWYU pragma: no_include <exception>
// IWYU pragma: no_include <boost/type_index/type_index_facade.hpp>

namespace crow {
namespace openbmc_mapper {
const constexpr char* notFoundMsg = "404 Not Found";
const constexpr char* badReqMsg = "400 Bad Request";
const constexpr char* methodNotAllowedMsg = "405 Method Not Allowed";
const constexpr char* forbiddenMsg = "403 Forbidden";
const constexpr char* unsupportedMediaMsg = "415 Unsupported Media Type";
const constexpr char* methodFailedMsg = "500 Method Call Failed";
const constexpr char* methodOutputFailedMsg = "500 Method Output Error";
const constexpr char* notFoundDesc =
    "org.freedesktop.DBus.Error.FileNotFound: path or object not found";
const constexpr char* propNotFoundDesc =
    "The specified property cannot be found";
const constexpr char* noJsonDesc = "No JSON object could be decoded";
const constexpr char* invalidContentType =
    "Content-type header is missing or invalid";
const constexpr char* methodNotFoundDesc =
    "The specified method cannot be found";
const constexpr char* methodNotAllowedDesc = "Method not allowed";
const constexpr char* forbiddenPropDesc =
    "The specified property cannot be created";
const constexpr char* forbiddenResDesc =
    "The specified resource cannot be created";

inline bool validateFilename(const std::string& filename) {
  static const std::regex validFilename(R"(^[\w\- ]+(\.?[\w\- ]*)$)");
  return std::regex_match(filename, validFilename);
}

inline void setErrorResponse(crow::Response& res,
                             boost::beast::http::status result,
                             const std::string& desc, std::string_view msg) {
  res.result(result);
  res.jsonValue["data"]["description"] = desc;
  res.jsonValue["message"] = msg;
  res.jsonValue["status"] = "error";
}

inline void getPropertiesForEnumerate(
    const std::string& objectPath, const std::string& service,
    const std::string& interface,
    const std::shared_ptr<bmcweb::AsyncResp>& asyncResp) {
  BMCWEB_LOG_DEBUG << "getPropertiesForEnumerate " << objectPath << " "
                   << service << " " << interface;

  managedStore::ManagedObjectStoreContext context(asyncResp);
  managedStore::GetManagedObjectStore()->getAllProperties(
      service, objectPath, interface, context,
      [asyncResp, objectPath, service, interface](
          const boost::system::error_code& ec,
          const dbus::utility::DBusPropertiesMap& propertiesList) {
        if (ec) {
          BMCWEB_LOG_ERROR << "GetAll on path " << objectPath << " iface "
                           << interface << " service " << service
                           << " failed with code " << ec;
          return;
        }

        nlohmann::json& dataJson = asyncResp->res.jsonValue["data"];
        nlohmann::json& objectJson = dataJson[objectPath];
        if (objectJson.is_null()) {
          objectJson = nlohmann::json::object();
        }

        for (const auto& [name, value] : propertiesList) {
          nlohmann::json& propertyJson = objectJson[name];
          std::visit(
              [&propertyJson](auto&& val) {
                if constexpr (std::is_same_v<std::decay_t<decltype(val)>,
                                             sdbusplus::message::unix_fd>) {
                  propertyJson = val.fd;
                } else {
                  propertyJson = val;
                }
              },
              value);
        }
      });
}

// Find any results that weren't picked up by ObjectManagers, to be
// called after all ObjectManagers are searched for and called.
inline void findRemainingObjectsForEnumerate(
    const std::string& objectPath,
    const std::shared_ptr<dbus::utility::MapperGetSubTreeResponse>& subtree,
    const std::shared_ptr<bmcweb::AsyncResp>& asyncResp) {
  BMCWEB_LOG_DEBUG << "findRemainingObjectsForEnumerate";
  const nlohmann::json& dataJson = asyncResp->res.jsonValue["data"];

  for (const auto& [path, interface_map] : *subtree) {
    if (path == objectPath) {
      // An enumerate does not return the target path's properties
      continue;
    }
    if (dataJson.find(path) == dataJson.end()) {
      for (const auto& [service, interfaces] : interface_map) {
        for (const auto& interface : interfaces) {
          if (!interface.starts_with("org.freedesktop.DBus")) {
            getPropertiesForEnumerate(path, service, interface, asyncResp);
          }
        }
      }
    }
  }
}

struct InProgressEnumerateData {
  InProgressEnumerateData(const std::string& objectPathIn,
                          const std::shared_ptr<bmcweb::AsyncResp>& asyncRespIn)
      : objectPath(objectPathIn), asyncResp(asyncRespIn) {}

  ~InProgressEnumerateData() {
    try {
      findRemainingObjectsForEnumerate(objectPath, subtree, asyncResp);
    } catch (...) {
      BMCWEB_LOG_CRITICAL << "findRemainingObjectsForEnumerate threw exception";
    }
  }

  InProgressEnumerateData(const InProgressEnumerateData&) = delete;
  InProgressEnumerateData(InProgressEnumerateData&&) = delete;
  InProgressEnumerateData& operator=(const InProgressEnumerateData&) = delete;
  InProgressEnumerateData& operator=(InProgressEnumerateData&&) = delete;
  const std::string objectPath;
  std::shared_ptr<dbus::utility::MapperGetSubTreeResponse> subtree;
  std::shared_ptr<bmcweb::AsyncResp> asyncResp;
};

inline void getManagedObjectsForEnumerate(
    const std::string& objectName, const std::string& objectManagerPath,
    const std::string& connectionName,
    const managedStore::ManagedObjectStoreContext& context,
    const std::shared_ptr<InProgressEnumerateData>& transaction) {
  BMCWEB_LOG_DEBUG << "getManagedObjectsForEnumerate " << objectName
                   << " object_manager_path " << objectManagerPath
                   << " connection_name " << connectionName;

  managedStore::GetManagedObjectStore()->getManagedObjectsWithContext(
      connectionName, objectManagerPath, context,
      [transaction, objectName, connectionName, context = context](
          const boost::system::error_code& ec,
          const dbus::utility::ManagedObjectType& objects) {
        if (ec) {
          BMCWEB_LOG_ERROR << "GetManagedObjects on path " << objectName
                           << " on connection " << connectionName
                           << " failed with code " << ec;
          return;
        }

        nlohmann::json& dataJson =
            transaction->asyncResp->res.jsonValue["data"];

        for (const auto& objectPath : objects) {
          if (objectPath.first.str.starts_with(objectName)) {
            BMCWEB_LOG_DEBUG << "Reading object " << objectPath.first.str;
            nlohmann::json& objectJson = dataJson[objectPath.first.str];
            if (objectJson.is_null()) {
              objectJson = nlohmann::json::object();
            }
            for (const auto& interface : objectPath.second) {
              for (const auto& property : interface.second) {
                nlohmann::json& propertyJson = objectJson[property.first];
                std::visit(
                    [&propertyJson](auto&& val) {
                      if constexpr (std::is_same_v<
                                        std::decay_t<decltype(val)>,
                                        sdbusplus::message::unix_fd>) {
                        propertyJson = val.fd;
                      } else {
                        propertyJson = val;
                      }
                    },
                    property.second);
              }
            }
          }
          for (const auto& interface : objectPath.second) {
            if (interface.first == "org.freedesktop.DBus.ObjectManager") {
              getManagedObjectsForEnumerate(
                  objectPath.first.str, objectPath.first.str, connectionName,
                  context, transaction);
            }
          }
        }
      });
}

inline void findObjectManagerPathForEnumerate(
    const std::string& objectName, const std::string& connectionName,
    const managedStore::ManagedObjectStoreContext& context,
    const std::shared_ptr<InProgressEnumerateData>& transaction) {
  BMCWEB_LOG_DEBUG << "Finding objectmanager for path " << objectName
                   << " on connection:" << connectionName;
  managedStore::GetManagedObjectStore()->PostDbusCallToIoContextThreadSafe(
      nullptr,
      [transaction, objectName, connectionName, context = context](
          const boost::system::error_code& ec,
          const dbus::utility::MapperGetAncestorsResponse& objects) {
        if (ec) {
          BMCWEB_LOG_ERROR << "GetAncestors on path " << objectName
                           << " failed with code " << ec;
          return;
        }

        for (const auto& pathGroup : objects) {
          for (const auto& connectionGroup : pathGroup.second) {
            if (connectionGroup.first == connectionName) {
              // Found the object manager path for this resource.
              getManagedObjectsForEnumerate(objectName, pathGroup.first,
                                            connectionName, context,
                                            transaction);
              return;
            }
          }
        }
      },
      "xyz.openbmc_project.ObjectMapper", "/xyz/openbmc_project/object_mapper",
      "xyz.openbmc_project.ObjectMapper", "GetAncestors", objectName,
      std::array<const char*, 1>{"org.freedesktop.DBus.ObjectManager"});
}

// Uses GetObject to add the object info about the target /enumerate path to
// the results of GetSubTree, as GetSubTree will not return info for the
// target path, and then continues on enumerating the rest of the tree.
inline void getObjectAndEnumerate(
    const managedStore::ManagedObjectStoreContext& context,
    const std::shared_ptr<InProgressEnumerateData>& transaction) {
  managedStore::GetManagedObjectStore()->getDbusObject(
      transaction->objectPath, {}, context,
      [transaction, context = context](
          const boost::system::error_code& ec,
          const dbus::utility::MapperGetObject& objects) {
        if (ec) {
          BMCWEB_LOG_ERROR << "GetObject for path " << transaction->objectPath
                           << " failed with code " << ec;
          return;
        }

        BMCWEB_LOG_DEBUG << "GetObject for " << transaction->objectPath
                         << " has " << objects.size() << " entries";
        if (!objects.empty()) {
          transaction->subtree->emplace_back(transaction->objectPath, objects);
        }

        // Map indicating connection name, and the path where the object
        // manager exists
        boost::container::flat_map<std::string, std::string> connections;

        for (const auto& object : *(transaction->subtree)) {
          for (const auto& connection : object.second) {
            for (const auto& interface : connection.second) {
              BMCWEB_LOG_DEBUG << connection.first << " has interface "
                               << interface;
              if (interface == "org.freedesktop.DBus.ObjectManager") {
                BMCWEB_LOG_DEBUG << "found object manager path "
                                 << object.first;
                connections[connection.first] = object.first;
              }
            }
          }
        }
        BMCWEB_LOG_DEBUG << "Got " << connections.size() << " connections";

        for (const auto& connection : connections) {
          // If we already know where the object manager is, we don't
          // need to search for it, we can call directly in to
          // getManagedObjects
          if (!connection.second.empty()) {
            getManagedObjectsForEnumerate(transaction->objectPath,
                                          connection.second, connection.first,
                                          context, transaction);
          } else {
            // otherwise we need to find the object manager path
            // before we can continue
            findObjectManagerPathForEnumerate(transaction->objectPath,
                                              connection.first, context,
                                              transaction);
          }
        }
      });
}

// Structure for storing data on an in progress action
struct InProgressActionData {
  explicit InProgressActionData(const std::shared_ptr<bmcweb::AsyncResp>& res)
      : asyncResp(res) {}
  ~InProgressActionData() {
    // Methods could have been called across different owners
    // and interfaces, where some calls failed and some passed.
    //
    // The rules for this are:
    // * if no method was called - error
    // * if a method failed and none passed - error
    //   (converse: if at least one method passed - OK)
    // * for the method output:
    //   * if output processing didn't fail, return the data

    // Only deal with method returns if nothing failed earlier
    if (asyncResp->res.result() == boost::beast::http::status::ok) {
      if (!methodPassed) {
        if (!methodFailed) {
          setErrorResponse(asyncResp->res,
                           boost::beast::http::status::not_found,
                           methodNotFoundDesc, notFoundMsg);
        }
      } else {
        if (outputFailed) {
          setErrorResponse(asyncResp->res,
                           boost::beast::http::status::internal_server_error,
                           "Method output failure", methodOutputFailedMsg);
        } else {
          asyncResp->res.jsonValue["status"] = "ok";
          asyncResp->res.jsonValue["message"] = "200 OK";
          asyncResp->res.jsonValue["data"] = methodResponse;
        }
      }
    }
  }
  InProgressActionData(const InProgressActionData&) = delete;
  InProgressActionData(InProgressActionData&&) = delete;
  InProgressActionData& operator=(const InProgressActionData&) = delete;
  InProgressActionData& operator=(InProgressActionData&&) = delete;

  void setErrorStatus(const std::string& desc) {
    setErrorResponse(asyncResp->res, boost::beast::http::status::bad_request,
                     desc, badReqMsg);
  }
  std::shared_ptr<bmcweb::AsyncResp> asyncResp;
  std::string path;
  std::string methodName;
  std::string interfaceName;
  bool methodPassed = false;
  bool methodFailed = false;
  bool outputFailed = false;
  bool convertedToArray = false;
  nlohmann::json methodResponse;
  nlohmann::json arguments;
};

inline std::vector<std::string> dbusArgSplit(const std::string& string) {
  std::vector<std::string> ret;
  if (string.empty()) {
    return ret;
  }
  ret.emplace_back("");
  int containerDepth = 0;

  for (std::string::const_iterator character = string.begin();
       character != string.end(); character++) {
    ret.back() += *character;
    switch (*character) {
      case ('a'):
        break;
      case ('('):
      case ('{'):
        containerDepth++;
        break;
      case ('}'):
      case (')'):
        containerDepth--;
        if (containerDepth == 0) {
          if (character + 1 != string.end()) {
            ret.emplace_back("");
          }
        }
        break;
      default:
        if (containerDepth == 0) {
          if (character + 1 != string.end()) {
            ret.emplace_back("");
          }
        }
        break;
    }
  }

  return ret;
}

inline int convertJsonToDbus(sd_bus_message* m, const std::string& argType,
                             const nlohmann::json& inputJson) {
  int r = 0;
  BMCWEB_LOG_DEBUG << "Converting "
                   << inputJson.dump(2, ' ', true,
                                     nlohmann::json::error_handler_t::replace)
                   << " to type: " << argType;
  const std::vector<std::string> argTypes = dbusArgSplit(argType);

  // Assume a single object for now.
  const nlohmann::json* j = &inputJson;
  nlohmann::json::const_iterator jIt = inputJson.begin();

  for (const std::string& argCode : argTypes) {
    // If we are decoding multiple objects, grab the pointer to the
    // iterator, and increment it for the next loop
    if (argTypes.size() > 1) {
      if (jIt == inputJson.end()) {
        return -2;
      }
      j = &*jIt;
      jIt++;
    }
    const int64_t* intValue = j->get_ptr<const int64_t*>();
    const std::string* stringValue = j->get_ptr<const std::string*>();
    const double* doubleValue = j->get_ptr<const double*>();
    const bool* b = j->get_ptr<const bool*>();
    int64_t v = 0;
    double d = 0.0;

    // Do some basic type conversions that make sense.  uint can be
    // converted to int.  int and uint can be converted to double
    if (intValue == nullptr) {
      const uint64_t* uintValue = j->get_ptr<const uint64_t*>();
      if (uintValue != nullptr) {
        v = static_cast<int64_t>(*uintValue);
        intValue = &v;
      }
    }
    if (doubleValue == nullptr) {
      const uint64_t* uintValue = j->get_ptr<const uint64_t*>();
      if (uintValue != nullptr) {
        d = static_cast<double>(*uintValue);
        doubleValue = &d;
      }
    }
    if (doubleValue == nullptr) {
      if (intValue != nullptr) {
        d = static_cast<double>(*intValue);
        doubleValue = &d;
      }
    }

    if (argCode == "s") {
      if (stringValue == nullptr) {
        return -1;
      }
      r = sd_bus_message_append_basic(
          m, argCode[0], static_cast<const void*>(stringValue->data()));
      if (r < 0) {
        return r;
      }
    } else if (argCode == "i") {
      if (intValue == nullptr) {
        return -1;
      }
      if ((*intValue < std::numeric_limits<int32_t>::lowest()) ||
          (*intValue > std::numeric_limits<int32_t>::max())) {
        return -ERANGE;
      }
      int32_t i = static_cast<int32_t>(*intValue);
      r = sd_bus_message_append_basic(m, argCode[0], &i);
      if (r < 0) {
        return r;
      }
    } else if (argCode == "b") {
      // lots of ways bool could be represented here.  Try them all
      int boolInt = 0;
      if (intValue != nullptr) {
        if (*intValue == 1) {
          boolInt = 1;
        } else if (*intValue == 0) {
          boolInt = 0;
        } else {
          return -ERANGE;
        }
      } else if (b != nullptr) {
        boolInt = *b ? 1 : 0;
      } else if (stringValue != nullptr) {
        boolInt = boost::istarts_with(*stringValue, "t") ? 1 : 0;
      } else {
        return -1;
      }
      r = sd_bus_message_append_basic(m, argCode[0], &boolInt);
      if (r < 0) {
        return r;
      }
    } else if (argCode == "n") {
      if (intValue == nullptr) {
        return -1;
      }
      if ((*intValue < std::numeric_limits<int16_t>::lowest()) ||
          (*intValue > std::numeric_limits<int16_t>::max())) {
        return -ERANGE;
      }
      int16_t n = static_cast<int16_t>(*intValue);
      r = sd_bus_message_append_basic(m, argCode[0], &n);
      if (r < 0) {
        return r;
      }
    } else if (argCode == "x") {
      if (intValue == nullptr) {
        return -1;
      }
      r = sd_bus_message_append_basic(m, argCode[0], intValue);
      if (r < 0) {
        return r;
      }
    } else if (argCode == "y") {
      const uint64_t* uintValue = j->get_ptr<const uint64_t*>();
      if (uintValue == nullptr) {
        return -1;
      }
      if (*uintValue > std::numeric_limits<uint8_t>::max()) {
        return -ERANGE;
      }
      uint8_t y = static_cast<uint8_t>(*uintValue);
      r = sd_bus_message_append_basic(m, argCode[0], &y);
    } else if (argCode == "q") {
      const uint64_t* uintValue = j->get_ptr<const uint64_t*>();
      if (uintValue == nullptr) {
        return -1;
      }
      if (*uintValue > std::numeric_limits<uint16_t>::max()) {
        return -ERANGE;
      }
      uint16_t q = static_cast<uint16_t>(*uintValue);
      r = sd_bus_message_append_basic(m, argCode[0], &q);
    } else if (argCode == "u") {
      const uint64_t* uintValue = j->get_ptr<const uint64_t*>();
      if (uintValue == nullptr) {
        return -1;
      }
      if (*uintValue > std::numeric_limits<uint32_t>::max()) {
        return -ERANGE;
      }
      uint32_t u = static_cast<uint32_t>(*uintValue);
      r = sd_bus_message_append_basic(m, argCode[0], &u);
    } else if (argCode == "t") {
      const uint64_t* uintValue = j->get_ptr<const uint64_t*>();
      if (uintValue == nullptr) {
        return -1;
      }
      r = sd_bus_message_append_basic(m, argCode[0], uintValue);
    } else if (argCode == "d") {
      if (doubleValue == nullptr) {
        return -1;
      }
      if ((*doubleValue < std::numeric_limits<double>::lowest()) ||
          (*doubleValue > std::numeric_limits<double>::max())) {
        return -ERANGE;
      }
      sd_bus_message_append_basic(m, argCode[0], doubleValue);
    } else if (argCode.starts_with('a')) {
      std::string containedType = argCode.substr(1);
      r = sd_bus_message_open_container(m, SD_BUS_TYPE_ARRAY,
                                        containedType.c_str());
      if (r < 0) {
        return r;
      }

      for (const auto& it : *j) {
        r = convertJsonToDbus(m, containedType, it);
        if (r < 0) {
          return r;
        }
      }
      sd_bus_message_close_container(m);
    } else if (argCode.starts_with('v')) {
      std::string containedType = argCode.substr(1);
      BMCWEB_LOG_DEBUG << "variant type: " << argCode
                       << " appending variant of type: " << containedType;
      r = sd_bus_message_open_container(m, SD_BUS_TYPE_VARIANT,
                                        containedType.c_str());
      if (r < 0) {
        return r;
      }

      r = convertJsonToDbus(m, containedType, inputJson);
      if (r < 0) {
        return r;
      }

      r = sd_bus_message_close_container(m);
      if (r < 0) {
        return r;
      }
    } else if (argCode.starts_with('(') && argCode.ends_with(')')) {
      std::string containedType = argCode.substr(1, argCode.size() - 1);
      r = sd_bus_message_open_container(m, SD_BUS_TYPE_STRUCT,
                                        containedType.c_str());
      if (r < 0) {
        return r;
      }

      nlohmann::json::const_iterator it = j->begin();
      for (const std::string& argCode2 : dbusArgSplit(argType)) {
        if (it == j->end()) {
          return -1;
        }
        r = convertJsonToDbus(m, argCode2, *it);
        if (r < 0) {
          return r;
        }
        it++;
      }
      r = sd_bus_message_close_container(m);
    } else if (argCode.starts_with('{') && argCode.ends_with('}')) {
      std::string containedType = argCode.substr(1, argCode.size() - 1);
      r = sd_bus_message_open_container(m, SD_BUS_TYPE_DICT_ENTRY,
                                        containedType.c_str());
      if (r < 0) {
        return r;
      }

      std::vector<std::string> codes = dbusArgSplit(containedType);
      if (codes.size() != 2) {
        return -1;
      }
      const std::string& keyType = codes[0];
      const std::string& valueType = codes[1];
      for (const auto& it : j->items()) {
        r = convertJsonToDbus(m, keyType, it.key());
        if (r < 0) {
          return r;
        }

        r = convertJsonToDbus(m, valueType, it.value());
        if (r < 0) {
          return r;
        }
      }
      r = sd_bus_message_close_container(m);
    } else {
      return -2;
    }
    if (r < 0) {
      return r;
    }

    if (argTypes.size() > 1) {
      jIt++;
    }
  }

  return r;
}

template <typename T>
int readMessageItem(const std::string& typeCode, sdbusplus::message_t& m,
                    nlohmann::json& data) {
  T value;

  int r = sd_bus_message_read_basic(m.get(), typeCode.front(), &value);
  if (r < 0) {
    BMCWEB_LOG_ERROR << "sd_bus_message_read_basic on type " << typeCode
                     << " failed!";
    return r;
  }

  data = value;
  return 0;
}

int convertDBusToJSON(const std::string& returnType, sdbusplus::message_t& m,
                      nlohmann::json& response);

inline int readDictEntryFromMessage(const std::string& typeCode,
                                    sdbusplus::message_t& m,
                                    nlohmann::json& object) {
  std::vector<std::string> types = dbusArgSplit(typeCode);
  if (types.size() != 2) {
    BMCWEB_LOG_ERROR << "wrong number contained types in dictionary: "
                     << types.size();
    return -1;
  }

  int r = sd_bus_message_enter_container(m.get(), SD_BUS_TYPE_DICT_ENTRY,
                                         typeCode.c_str());
  if (r < 0) {
    BMCWEB_LOG_ERROR << "sd_bus_message_enter_container with rc " << r;
    return r;
  }

  nlohmann::json key;
  r = convertDBusToJSON(types[0], m, key);
  if (r < 0) {
    return r;
  }

  const std::string* keyPtr = key.get_ptr<const std::string*>();
  if (keyPtr == nullptr) {
    // json doesn't support non-string keys.  If we hit this condition,
    // convert the result to a string so we can proceed
    key = key.dump(2, ' ', true, nlohmann::json::error_handler_t::replace);
    keyPtr = key.get_ptr<const std::string*>();
    // in theory this can't fail now, but lets be paranoid about it
    // anyway
    if (keyPtr == nullptr) {
      return -1;
    }
  }
  nlohmann::json& value = object[*keyPtr];

  r = convertDBusToJSON(types[1], m, value);
  if (r < 0) {
    return r;
  }

  r = sd_bus_message_exit_container(m.get());
  if (r < 0) {
    BMCWEB_LOG_ERROR << "sd_bus_message_exit_container failed";
    return r;
  }

  return 0;
}

inline int readArrayFromMessage(const std::string& typeCode,
                                sdbusplus::message_t& m, nlohmann::json& data) {
  if (typeCode.size() < 2) {
    BMCWEB_LOG_ERROR << "Type code " << typeCode << " too small for an array";
    return -1;
  }

  std::string containedType = typeCode.substr(1);

  int r = sd_bus_message_enter_container(m.get(), SD_BUS_TYPE_ARRAY,
                                         containedType.c_str());
  if (r < 0) {
    BMCWEB_LOG_ERROR << "sd_bus_message_enter_container failed with rc " << r;
    return r;
  }

  bool dict = containedType.starts_with('{') && containedType.ends_with('}');

  if (dict) {
    // Remove the { }
    containedType = containedType.substr(1, containedType.size() - 2);
    data = nlohmann::json::object();
  } else {
    data = nlohmann::json::array();
  }

  while (true) {
    r = sd_bus_message_at_end(m.get(), 0);
    if (r < 0) {
      BMCWEB_LOG_ERROR << "sd_bus_message_at_end failed";
      return r;
    }

    if (r > 0) {
      break;
    }

    // Dictionaries are only ever seen in an array
    if (dict) {
      r = readDictEntryFromMessage(containedType, m, data);
      if (r < 0) {
        return r;
      }
    } else {
      data.push_back(nlohmann::json());

      r = convertDBusToJSON(containedType, m, data.back());
      if (r < 0) {
        return r;
      }
    }
  }

  r = sd_bus_message_exit_container(m.get());
  if (r < 0) {
    BMCWEB_LOG_ERROR << "sd_bus_message_exit_container failed";
    return r;
  }

  return 0;
}

inline int readStructFromMessage(const std::string& typeCode,
                                 sdbusplus::message_t& m,
                                 nlohmann::json& data) {
  if (typeCode.size() < 3) {
    BMCWEB_LOG_ERROR << "Type code " << typeCode << " too small for a struct";
    return -1;
  }

  std::string containedTypes = typeCode.substr(1, typeCode.size() - 2);
  std::vector<std::string> types = dbusArgSplit(containedTypes);

  int r = sd_bus_message_enter_container(m.get(), SD_BUS_TYPE_STRUCT,
                                         containedTypes.c_str());
  if (r < 0) {
    BMCWEB_LOG_ERROR << "sd_bus_message_enter_container failed with rc " << r;
    return r;
  }

  for (const std::string& type : types) {
    data.push_back(nlohmann::json());
    r = convertDBusToJSON(type, m, data.back());
    if (r < 0) {
      return r;
    }
  }

  r = sd_bus_message_exit_container(m.get());
  if (r < 0) {
    BMCWEB_LOG_ERROR << "sd_bus_message_exit_container failed";
    return r;
  }
  return 0;
}

inline int readVariantFromMessage(sdbusplus::message_t& m,
                                  nlohmann::json& data) {
  const char* containerType = nullptr;
  int r = sd_bus_message_peek_type(m.get(), nullptr, &containerType);
  if (r < 0) {
    BMCWEB_LOG_ERROR << "sd_bus_message_peek_type failed";
    return r;
  }

  r = sd_bus_message_enter_container(m.get(), SD_BUS_TYPE_VARIANT,
                                     containerType);
  if (r < 0) {
    BMCWEB_LOG_ERROR << "sd_bus_message_enter_container failed with rc " << r;
    return r;
  }

  r = convertDBusToJSON(containerType, m, data);
  if (r < 0) {
    return r;
  }

  r = sd_bus_message_exit_container(m.get());
  if (r < 0) {
    BMCWEB_LOG_ERROR << "sd_bus_message_enter_container failed";
    return r;
  }

  return 0;
}

inline int convertDBusToJSON(const std::string& returnType,
                             sdbusplus::message_t& m,
                             nlohmann::json& response) {
  int r = 0;
  const std::vector<std::string> returnTypes = dbusArgSplit(returnType);

  for (const std::string& typeCode : returnTypes) {
    nlohmann::json* thisElement = &response;
    if (returnTypes.size() > 1) {
      response.push_back(nlohmann::json{});
      thisElement = &response.back();
    }

    if (typeCode == "s" || typeCode == "g" || typeCode == "o") {
      r = readMessageItem<char*>(typeCode, m, *thisElement);
      if (r < 0) {
        return r;
      }
    } else if (typeCode == "b") {
      r = readMessageItem<int>(typeCode, m, *thisElement);
      if (r < 0) {
        return r;
      }

      *thisElement = static_cast<bool>(thisElement->get<int>());
    } else if (typeCode == "u") {
      r = readMessageItem<uint32_t>(typeCode, m, *thisElement);
      if (r < 0) {
        return r;
      }
    } else if (typeCode == "i") {
      r = readMessageItem<int32_t>(typeCode, m, *thisElement);
      if (r < 0) {
        return r;
      }
    } else if (typeCode == "x") {
      r = readMessageItem<int64_t>(typeCode, m, *thisElement);
      if (r < 0) {
        return r;
      }
    } else if (typeCode == "t") {
      r = readMessageItem<uint64_t>(typeCode, m, *thisElement);
      if (r < 0) {
        return r;
      }
    } else if (typeCode == "n") {
      r = readMessageItem<int16_t>(typeCode, m, *thisElement);
      if (r < 0) {
        return r;
      }
    } else if (typeCode == "q") {
      r = readMessageItem<uint16_t>(typeCode, m, *thisElement);
      if (r < 0) {
        return r;
      }
    } else if (typeCode == "y") {
      r = readMessageItem<uint8_t>(typeCode, m, *thisElement);
      if (r < 0) {
        return r;
      }
    } else if (typeCode == "d") {
      r = readMessageItem<double>(typeCode, m, *thisElement);
      if (r < 0) {
        return r;
      }
    } else if (typeCode == "h") {
      r = readMessageItem<int>(typeCode, m, *thisElement);
      if (r < 0) {
        return r;
      }
    } else if (typeCode.starts_with('a')) {
      r = readArrayFromMessage(typeCode, m, *thisElement);
      if (r < 0) {
        return r;
      }
    } else if (typeCode.starts_with('(') && typeCode.ends_with(')')) {
      r = readStructFromMessage(typeCode, m, *thisElement);
      if (r < 0) {
        return r;
      }
    } else if (typeCode.starts_with('v')) {
      r = readVariantFromMessage(m, *thisElement);
      if (r < 0) {
        return r;
      }
    } else {
      BMCWEB_LOG_ERROR << "Invalid D-Bus signature type " << typeCode;
      return -2;
    }
  }

  return 0;
}

inline void handleMethodResponse(
    const std::shared_ptr<InProgressActionData>& transaction,
    sdbusplus::message_t& m, const std::string& returnType) {
  nlohmann::json data;

  int r = convertDBusToJSON(returnType, m, data);
  if (r < 0) {
    transaction->outputFailed = true;
    return;
  }

  if (data.is_null()) {
    return;
  }

  if (transaction->methodResponse.is_null()) {
    transaction->methodResponse = std::move(data);
    return;
  }

  // If they're both dictionaries or arrays, merge into one.
  // Otherwise, make the results an array with every result
  // an entry.  Could also just fail in that case, but it
  // seems better to get the data back somehow.

  if (transaction->methodResponse.is_object() && data.is_object()) {
    for (const auto& obj : data.items()) {
      // Note: Will overwrite the data for a duplicate key
      transaction->methodResponse.emplace(obj.key(), std::move(obj.value()));
    }
    return;
  }

  if (transaction->methodResponse.is_array() && data.is_array()) {
    for (auto& obj : data) {
      transaction->methodResponse.push_back(std::move(obj));
    }
    return;
  }

  if (!transaction->convertedToArray) {
    // They are different types. May as well turn them into an array
    nlohmann::json j = std::move(transaction->methodResponse);
    transaction->methodResponse = nlohmann::json::array();
    transaction->methodResponse.push_back(std::move(j));
    transaction->methodResponse.push_back(std::move(data));
    transaction->convertedToArray = true;
  } else {
    transaction->methodResponse.push_back(std::move(data));
  }
}

inline void findActionOnInterface(
    const std::shared_ptr<InProgressActionData>& transaction,
    const std::string& connectionName) {
  BMCWEB_LOG_DEBUG << "findActionOnInterface for connection " << connectionName;
  managedStore::GetManagedObjectStore()->PostDbusCallToIoContextThreadSafe(
      nullptr,
      [transaction, connectionName{std::string(connectionName)}](
          const boost::system::error_code& ec,
          const std::string& introspectXml) {
        BMCWEB_LOG_DEBUG << "got xml:\n " << introspectXml;
        if (ec) {
          BMCWEB_LOG_ERROR << "Introspect call failed with error: "
                           << ec.message() << " on process: " << connectionName
                           << "\n";
          return;
        }
        tinyxml2::XMLDocument doc;

        doc.Parse(introspectXml.data(), introspectXml.size());
        tinyxml2::XMLNode* pRoot = doc.FirstChildElement("node");
        if (pRoot == nullptr) {
          BMCWEB_LOG_ERROR << "XML document failed to parse " << connectionName
                           << "\n";
          return;
        }
        tinyxml2::XMLElement* interfaceNode =
            pRoot->FirstChildElement("interface");
        while (interfaceNode != nullptr) {
          const char* thisInterfaceName = interfaceNode->Attribute("name");
          if (thisInterfaceName != nullptr) {
            if (!transaction->interfaceName.empty() &&
                (transaction->interfaceName != thisInterfaceName)) {
              interfaceNode = interfaceNode->NextSiblingElement("interface");
              continue;
            }

            tinyxml2::XMLElement* methodNode =
                interfaceNode->FirstChildElement("method");
            while (methodNode != nullptr) {
              const char* thisMethodName = methodNode->Attribute("name");
              BMCWEB_LOG_DEBUG << "Found method: " << thisMethodName;
              if (thisMethodName != nullptr &&
                  thisMethodName == transaction->methodName) {
                BMCWEB_LOG_DEBUG << "Found method named " << thisMethodName
                                 << " on interface " << thisInterfaceName;
                sdbusplus::message_t m =
                    managedStore::GetManagedObjectStore()
                        ->GetDeprecatedThreadUnsafeSystemBus()
                        ->new_method_call(
                            connectionName.c_str(), transaction->path.c_str(),
                            thisInterfaceName, transaction->methodName.c_str());

                tinyxml2::XMLElement* argumentNode =
                    methodNode->FirstChildElement("arg");

                std::string returnType;

                // Find the output type
                while (argumentNode != nullptr) {
                  const char* argDirection =
                      argumentNode->Attribute("direction");
                  const char* argType = argumentNode->Attribute("type");
                  if (argDirection != nullptr && argType != nullptr &&
                      std::string(argDirection) == "out") {
                    returnType = argType;
                    break;
                  }
                  argumentNode = argumentNode->NextSiblingElement("arg");
                }

                auto argIt = transaction->arguments.begin();

                argumentNode = methodNode->FirstChildElement("arg");

                while (argumentNode != nullptr) {
                  const char* argDirection =
                      argumentNode->Attribute("direction");
                  const char* argType = argumentNode->Attribute("type");
                  if (argDirection != nullptr && argType != nullptr &&
                      std::string(argDirection) == "in") {
                    if (argIt == transaction->arguments.end()) {
                      transaction->setErrorStatus("Invalid method args");
                      return;
                    }
                    if (convertJsonToDbus(m.get(), std::string(argType),
                                          *argIt) < 0) {
                      transaction->setErrorStatus("Invalid method arg type");
                      return;
                    }

                    argIt++;
                  }
                  argumentNode = argumentNode->NextSiblingElement("arg");
                }

                managedStore::GetManagedObjectStore()
                    ->GetDeprecatedThreadUnsafeSystemBus()
                    ->async_send(m, [transaction, returnType](
                                        const boost::system::error_code& ec2,
                                        sdbusplus::message_t& m2) {
                      if (ec2) {
                        transaction->methodFailed = true;
                        const sd_bus_error* e = m2.get_error();

                        if (e != nullptr) {
                          setErrorResponse(
                              transaction->asyncResp->res,
                              boost::beast::http::status::bad_request, e->name,
                              e->message);
                        } else {
                          setErrorResponse(
                              transaction->asyncResp->res,
                              boost::beast::http::status::bad_request,
                              "Method call failed", methodFailedMsg);
                        }
                        return;
                      }
                      transaction->methodPassed = true;

                      handleMethodResponse(transaction, m2, returnType);
                    });
                break;
              }
              methodNode = methodNode->NextSiblingElement("method");
            }
          }
          interfaceNode = interfaceNode->NextSiblingElement("interface");
        }
      },
      connectionName, transaction->path, "org.freedesktop.DBus.Introspectable",
      "Introspect");
}

inline void handleAction(const crow::Request& req,
                         const std::shared_ptr<bmcweb::AsyncResp>& asyncResp,
                         const std::string& objectPath,
                         const std::string& methodName) {
  BMCWEB_LOG_DEBUG << "handleAction on path: " << objectPath << " and method "
                   << methodName;
  nlohmann::json requestDbusData;

  JsonParseResult ret = parseRequestAsJson(req, requestDbusData);
  if (ret == JsonParseResult::BadContentType) {
    setErrorResponse(asyncResp->res,
                     boost::beast::http::status::unsupported_media_type,
                     invalidContentType, unsupportedMediaMsg);
    return;
  }
  if (ret != JsonParseResult::Success) {
    setErrorResponse(asyncResp->res, boost::beast::http::status::bad_request,
                     noJsonDesc, badReqMsg);
    return;
  }
  nlohmann::json::iterator data = requestDbusData.find("data");
  if (data == requestDbusData.end()) {
    setErrorResponse(asyncResp->res, boost::beast::http::status::bad_request,
                     noJsonDesc, badReqMsg);
    return;
  }

  if (!data->is_array()) {
    setErrorResponse(asyncResp->res, boost::beast::http::status::bad_request,
                     noJsonDesc, badReqMsg);
    return;
  }
  auto transaction = std::make_shared<InProgressActionData>(asyncResp);

  transaction->path = objectPath;
  transaction->methodName = methodName;
  transaction->arguments = std::move(*data);

  managedStore::ManagedObjectStoreContext context(asyncResp);
  managedStore::GetManagedObjectStore()->getDbusObject(
      objectPath, {}, context,
      [transaction](
          const boost::system::error_code& ec,
          const std::vector<std::pair<std::string, std::vector<std::string>>>&
              interfaceNames) {
        if (ec || interfaceNames.empty()) {
          BMCWEB_LOG_ERROR << "Can't find object";
          setErrorResponse(transaction->asyncResp->res,
                           boost::beast::http::status::not_found, notFoundDesc,
                           notFoundMsg);
          return;
        }

        BMCWEB_LOG_DEBUG << "GetObject returned " << interfaceNames.size()
                         << " object(s)";

        for (const std::pair<std::string, std::vector<std::string>>& object :
             interfaceNames) {
          findActionOnInterface(transaction, object.first);
        }
      });
}

inline void handleDelete(const std::shared_ptr<bmcweb::AsyncResp>& asyncResp,
                         const std::string& objectPath) {
  BMCWEB_LOG_DEBUG << "handleDelete on path: " << objectPath;

  managedStore::ManagedObjectStoreContext context(asyncResp);
  managedStore::GetManagedObjectStore()->getDbusObject(
      objectPath, {}, context,
      [asyncResp, objectPath](
          const boost::system::error_code& ec,
          const std::vector<std::pair<std::string, std::vector<std::string>>>&
              interfaceNames) {
        if (ec || interfaceNames.empty()) {
          BMCWEB_LOG_ERROR << "Can't find object";
          setErrorResponse(asyncResp->res,
                           boost::beast::http::status::method_not_allowed,
                           methodNotAllowedDesc, methodNotAllowedMsg);
          return;
        }

        auto transaction = std::make_shared<InProgressActionData>(asyncResp);
        transaction->path = objectPath;
        transaction->methodName = "Delete";
        transaction->interfaceName = "xyz.openbmc_project.Object.Delete";

        for (const std::pair<std::string, std::vector<std::string>>& object :
             interfaceNames) {
          findActionOnInterface(transaction, object.first);
        }
      });
}

inline void handleList(const std::shared_ptr<bmcweb::AsyncResp>& asyncResp,
                       const std::string& objectPath, int32_t depth = 0) {
  managedStore::ManagedObjectStoreContext requestContext(asyncResp);
  managedStore::GetManagedObjectStore()->getSubTreePaths(
      objectPath, depth, {}, requestContext,
      [asyncResp](
          const boost::system::error_code& ec,
          const dbus::utility::MapperGetSubTreePathsResponse& objectPaths) {
        if (ec) {
          setErrorResponse(asyncResp->res,
                           boost::beast::http::status::not_found, notFoundDesc,
                           notFoundMsg);
        } else {
          asyncResp->res.jsonValue["status"] = "ok";
          asyncResp->res.jsonValue["message"] = "200 OK";
          asyncResp->res.jsonValue["data"] = objectPaths;
        }
      });
}

inline void handleEnumerate(const std::shared_ptr<bmcweb::AsyncResp>& asyncResp,
                            const std::string& objectPath) {
  BMCWEB_LOG_DEBUG << "Doing enumerate on " << objectPath;

  asyncResp->res.jsonValue["message"] = "200 OK";
  asyncResp->res.jsonValue["status"] = "ok";
  asyncResp->res.jsonValue["data"] = nlohmann::json::object();

  managedStore::ManagedObjectStoreContext context(asyncResp);
  managedStore::GetManagedObjectStore()->getSubTree(
      objectPath, 0, std::span<const std::string_view>{}, context,
      [objectPath, asyncResp](
          const boost::system::error_code& ec,
          const dbus::utility::MapperGetSubTreeResponse& objectNames) {
        auto transaction =
            std::make_shared<InProgressEnumerateData>(objectPath, asyncResp);

        transaction->subtree =
            std::make_shared<dbus::utility::MapperGetSubTreeResponse>(
                objectNames);

        if (ec) {
          BMCWEB_LOG_ERROR << "GetSubTree failed on "
                           << transaction->objectPath;
          setErrorResponse(transaction->asyncResp->res,
                           boost::beast::http::status::not_found, notFoundDesc,
                           notFoundMsg);
          return;
        }

        managedStore::ManagedObjectStoreContext context(asyncResp);

        // Add the data for the path passed in to the results
        // as if GetSubTree returned it, and continue on enumerating
        getObjectAndEnumerate(context, transaction);
      });
}

inline void handleGet(const std::shared_ptr<bmcweb::AsyncResp>& asyncResp,
                      std::string& objectPath, std::string& destProperty) {
  BMCWEB_LOG_DEBUG << "handleGet: " << objectPath << " prop:" << destProperty;
  std::shared_ptr<std::string> propertyName =
      std::make_shared<std::string>(std::move(destProperty));

  std::shared_ptr<std::string> path =
      std::make_shared<std::string>(std::move(objectPath));

  managedStore::ManagedObjectStoreContext context(asyncResp);
  managedStore::GetManagedObjectStore()->getDbusObject(
      *path, {}, context,
      [asyncResp, path, propertyName](
          const boost::system::error_code& ec,
          const dbus::utility::MapperGetObject& objectNames) {
        if (ec || objectNames.empty()) {
          setErrorResponse(asyncResp->res,
                           boost::beast::http::status::not_found, notFoundDesc,
                           notFoundMsg);
          return;
        }
        std::shared_ptr<nlohmann::json> response =
            std::make_shared<nlohmann::json>(nlohmann::json::object());
        // The mapper should never give us an empty interface names
        // list, but check anyway
        for (const std::pair<std::string, std::vector<std::string>>&
                 connection : objectNames) {
          const std::vector<std::string>& interfaceNames = connection.second;

          if (interfaceNames.empty()) {
            setErrorResponse(asyncResp->res,
                             boost::beast::http::status::not_found,
                             notFoundDesc, notFoundMsg);
            return;
          }

          for (const std::string& interface : interfaceNames) {
            sdbusplus::message_t m =
                managedStore::GetManagedObjectStore()
                    ->GetDeprecatedThreadUnsafeSystemBus()
                    ->new_method_call(connection.first.c_str(), path->c_str(),
                                      "org.freedesktop.DBus.Properties",
                                      "GetAll");
            m.append(interface);
            managedStore::GetManagedObjectStore()
                ->GetDeprecatedThreadUnsafeSystemBus()
                ->async_send(m, [asyncResp, response, propertyName](
                                    const boost::system::error_code& ec2,
                                    sdbusplus::message_t& msg) {
                  if (ec2) {
                    BMCWEB_LOG_ERROR << "Bad dbus request error: " << ec2;
                  } else {
                    nlohmann::json properties;
                    int r = convertDBusToJSON("a{sv}", msg, properties);
                    if (r < 0) {
                      BMCWEB_LOG_ERROR << "convertDBusToJSON failed";
                    } else {
                      for (const auto& prop : properties.items()) {
                        // if property name is empty, or
                        // matches our search query, add it
                        // to the response json

                        if (propertyName->empty()) {
                          (*response)[prop.key()] = std::move(prop.value());
                        } else if (prop.key() == *propertyName) {
                          *response = std::move(prop.value());
                        }
                      }
                    }
                  }
                  if (response.use_count() == 1) {
                    if (!propertyName->empty() && response->empty()) {
                      setErrorResponse(asyncResp->res,
                                       boost::beast::http::status::not_found,
                                       propNotFoundDesc, notFoundMsg);
                    } else {
                      asyncResp->res.jsonValue["status"] = "ok";
                      asyncResp->res.jsonValue["message"] = "200 OK";
                      asyncResp->res.jsonValue["data"] = *response;
                    }
                  }
                });
          }
        }
      });
}

struct AsyncPutRequest {
  explicit AsyncPutRequest(const std::shared_ptr<bmcweb::AsyncResp>& resIn)
      : asyncResp(resIn) {}
  ~AsyncPutRequest() {
    if (asyncResp->res.jsonValue.empty()) {
      setErrorResponse(asyncResp->res, boost::beast::http::status::forbidden,
                       forbiddenMsg, forbiddenPropDesc);
    }
  }

  AsyncPutRequest(const AsyncPutRequest&) = delete;
  AsyncPutRequest(AsyncPutRequest&&) = delete;
  AsyncPutRequest& operator=(const AsyncPutRequest&) = delete;
  AsyncPutRequest& operator=(AsyncPutRequest&&) = delete;

  void setErrorStatus(const std::string& desc) {
    setErrorResponse(asyncResp->res,
                     boost::beast::http::status::internal_server_error, desc,
                     badReqMsg);
  }

  const std::shared_ptr<bmcweb::AsyncResp> asyncResp;
  std::string objectPath;
  std::string propertyName;
  nlohmann::json propertyValue;
};

inline void handlePut(const crow::Request& req,
                      const std::shared_ptr<bmcweb::AsyncResp>& asyncResp,
                      const std::string& objectPath,
                      const std::string& destProperty) {
  if (destProperty.empty()) {
    setErrorResponse(asyncResp->res, boost::beast::http::status::forbidden,
                     forbiddenResDesc, forbiddenMsg);
    return;
  }
  nlohmann::json requestDbusData;

  JsonParseResult ret = parseRequestAsJson(req, requestDbusData);
  if (ret == JsonParseResult::BadContentType) {
    setErrorResponse(asyncResp->res,
                     boost::beast::http::status::unsupported_media_type,
                     invalidContentType, unsupportedMediaMsg);
    return;
  }

  if (ret != JsonParseResult::Success) {
    setErrorResponse(asyncResp->res, boost::beast::http::status::bad_request,
                     noJsonDesc, badReqMsg);
    return;
  }

  auto propertyIt = requestDbusData.find("data");
  if (propertyIt == requestDbusData.end()) {
    setErrorResponse(asyncResp->res, boost::beast::http::status::bad_request,
                     noJsonDesc, badReqMsg);
    return;
  }
  const nlohmann::json& propertySetValue = *propertyIt;
  auto transaction = std::make_shared<AsyncPutRequest>(asyncResp);
  transaction->objectPath = objectPath;
  transaction->propertyName = destProperty;
  transaction->propertyValue = propertySetValue;

  managedStore::ManagedObjectStoreContext context(asyncResp);
  managedStore::GetManagedObjectStore()->getDbusObject(
      transaction->objectPath, {}, context,
      [transaction](const boost::system::error_code& ec2,
                    const dbus::utility::MapperGetObject& objectNames) {
        if (!ec2 && objectNames.empty()) {
          setErrorResponse(transaction->asyncResp->res,
                           boost::beast::http::status::not_found,
                           propNotFoundDesc, notFoundMsg);
          return;
        }

        for (const std::pair<std::string, std::vector<std::string>>&
                 connection : objectNames) {
          const std::string& connectionName = connection.first;

          managedStore::GetManagedObjectStore()
              ->PostDbusCallToIoContextThreadSafe(
                  nullptr,
                  [connectionName{std::string(connectionName)}, transaction](
                      const boost::system::error_code& ec3,
                      const std::string& introspectXml) {
                    if (ec3) {
                      BMCWEB_LOG_ERROR << "Introspect call failed with error: "
                                       << ec3.message()
                                       << " on process: " << connectionName;
                      transaction->setErrorStatus("Unexpected Error");
                      return;
                    }
                    tinyxml2::XMLDocument doc;

                    doc.Parse(introspectXml.c_str());
                    tinyxml2::XMLNode* pRoot = doc.FirstChildElement("node");
                    if (pRoot == nullptr) {
                      BMCWEB_LOG_ERROR << "XML document failed to parse: "
                                       << introspectXml;
                      transaction->setErrorStatus("Unexpected Error");
                      return;
                    }
                    tinyxml2::XMLElement* ifaceNode =
                        pRoot->FirstChildElement("interface");
                    while (ifaceNode != nullptr) {
                      const char* interfaceName = ifaceNode->Attribute("name");
                      BMCWEB_LOG_DEBUG << "found interface " << interfaceName;
                      tinyxml2::XMLElement* propNode =
                          ifaceNode->FirstChildElement("property");
                      while (propNode != nullptr) {
                        const char* propertyName = propNode->Attribute("name");
                        BMCWEB_LOG_DEBUG << "Found property " << propertyName;
                        if (propertyName == transaction->propertyName) {
                          const char* argType = propNode->Attribute("type");
                          if (argType != nullptr) {
                            sdbusplus::message_t m =
                                managedStore::GetManagedObjectStore()
                                    ->GetDeprecatedThreadUnsafeSystemBus()
                                    ->new_method_call(
                                        connectionName.c_str(),
                                        transaction->objectPath.c_str(),
                                        "org.freedesktop.DBus."
                                        "Properties",
                                        "Set");
                            m.append(interfaceName, transaction->propertyName);
                            int r = sd_bus_message_open_container(
                                m.get(), SD_BUS_TYPE_VARIANT, argType);
                            if (r < 0) {
                              transaction->setErrorStatus("Unexpected Error");
                              return;
                            }
                            r = convertJsonToDbus(m.get(), argType,
                                                  transaction->propertyValue);
                            if (r < 0) {
                              if (r == -ERANGE) {
                                transaction->setErrorStatus(
                                    "Provided property value "
                                    "is out of range for the "
                                    "property type");
                              } else {
                                transaction->setErrorStatus("Invalid arg type");
                              }
                              return;
                            }
                            r = sd_bus_message_close_container(m.get());
                            if (r < 0) {
                              transaction->setErrorStatus("Unexpected Error");
                              return;
                            }
                            managedStore::GetManagedObjectStore()
                                ->GetDeprecatedThreadUnsafeSystemBus()
                                ->async_send(m, [transaction](
                                                    const boost::system::
                                                        error_code& ec,
                                                    sdbusplus::message_t& m2) {
                                  BMCWEB_LOG_DEBUG << "sent";
                                  if (ec) {
                                    const sd_bus_error* e = m2.get_error();
                                    setErrorResponse(
                                        transaction->asyncResp->res,
                                        boost::beast::http::status::forbidden,
                                        (e) != nullptr ? e->name
                                                       : ec.category().name(),
                                        (e) != nullptr ? e->message
                                                       : ec.message());
                                  } else {
                                    transaction->asyncResp->res
                                        .jsonValue["status"] = "ok";
                                    transaction->asyncResp->res
                                        .jsonValue["message"] = "200 OK";
                                    transaction->asyncResp->res
                                        .jsonValue["data"] = nullptr;
                                  }
                                });
                          }
                        }
                        propNode = propNode->NextSiblingElement("property");
                      }
                      ifaceNode = ifaceNode->NextSiblingElement("interface");
                    }
                  },
                  connectionName, transaction->objectPath,
                  "org.freedesktop.DBus.Introspectable", "Introspect");
        }
      });
}

inline void handleDBusUrl(const crow::Request& req,
                          const std::shared_ptr<bmcweb::AsyncResp>& asyncResp,
                          std::string& objectPath) {
  // If accessing a single attribute, fill in and update objectPath,
  // otherwise leave destProperty blank
  std::string destProperty;
  const char* attrSeperator = "/attr/";
  size_t attrPosition = objectPath.find(attrSeperator);
  if (attrPosition != std::string::npos) {
    destProperty = objectPath.substr(attrPosition + strlen(attrSeperator),
                                     objectPath.length());
    objectPath.resize(attrPosition);
  }

  if (req.method() == boost::beast::http::verb::post) {
    constexpr const char* actionSeperator = "/action/";
    size_t actionPosition = objectPath.find(actionSeperator);
    if (actionPosition != std::string::npos) {
      std::string postProperty = objectPath.substr(
          (actionPosition + strlen(actionSeperator)), objectPath.length());
      objectPath.resize(actionPosition);
      handleAction(req, asyncResp, objectPath, postProperty);
      return;
    }
  } else if (req.method() == boost::beast::http::verb::get) {
    if (objectPath.ends_with("/enumerate")) {
      objectPath.erase(objectPath.end() - sizeof("enumerate"),
                       objectPath.end());
      handleEnumerate(asyncResp, objectPath);
    } else if (objectPath.ends_with("/list")) {
      objectPath.erase(objectPath.end() - sizeof("list"), objectPath.end());
      handleList(asyncResp, objectPath);
    } else {
      // Trim any trailing "/" at the end
      if (objectPath.ends_with('/')) {
        objectPath.pop_back();
        handleList(asyncResp, objectPath, 1);
      } else {
        handleGet(asyncResp, objectPath, destProperty);
      }
    }
    return;
  } else if (req.method() == boost::beast::http::verb::put) {
    handlePut(req, asyncResp, objectPath, destProperty);
    return;
  } else if (req.method() == boost::beast::http::verb::delete_) {
    handleDelete(asyncResp, objectPath);
    return;
  }

  setErrorResponse(asyncResp->res,
                   boost::beast::http::status::method_not_allowed,
                   methodNotAllowedDesc, methodNotAllowedMsg);
}

inline void requestRoutes(App& app) {

  BMCWEB_ROUTE(app, "/list/")
      .privileges({{"Login"}})
      .methods(boost::beast::http::verb::get)(
          [](const crow::Request&,
             const std::shared_ptr<bmcweb::AsyncResp>& asyncResp) {
            handleList(asyncResp, "/");
          });

  BMCWEB_ROUTE(app, "/xyz/<path>")
      .privileges({{"Login"}})
      .methods(boost::beast::http::verb::get)(
          [](const crow::Request& req,
             const std::shared_ptr<bmcweb::AsyncResp>& asyncResp,
             const std::string& path) {
            std::string objectPath = "/xyz/" + path;
            handleDBusUrl(req, asyncResp, objectPath);
          });

  BMCWEB_ROUTE(app, "/xyz/<path>")
      .privileges({{"ConfigureComponents", "ConfigureManager"}})
      .methods(boost::beast::http::verb::put, boost::beast::http::verb::post,
               boost::beast::http::verb::delete_)(
          [](const crow::Request& req,
             const std::shared_ptr<bmcweb::AsyncResp>& asyncResp,
             const std::string& path) {
            std::string objectPath = "/xyz/" + path;
            handleDBusUrl(req, asyncResp, objectPath);
          });

  BMCWEB_ROUTE(app, "/org/<path>")
      .privileges({{"Login"}})
      .methods(boost::beast::http::verb::get)(
          [](const crow::Request& req,
             const std::shared_ptr<bmcweb::AsyncResp>& asyncResp,
             const std::string& path) {
            std::string objectPath = "/org/" + path;
            handleDBusUrl(req, asyncResp, objectPath);
          });

  BMCWEB_ROUTE(app, "/org/<path>")
      .privileges({{"ConfigureComponents", "ConfigureManager"}})
      .methods(boost::beast::http::verb::put, boost::beast::http::verb::post,
               boost::beast::http::verb::delete_)(
          [](const crow::Request& req,
             const std::shared_ptr<bmcweb::AsyncResp>& asyncResp,
             const std::string& path) {
            std::string objectPath = "/org/" + path;
            handleDBusUrl(req, asyncResp, objectPath);
          });

  BMCWEB_ROUTE(app, "/download/dump/<str>/")
      .privileges({{"ConfigureManager"}})
      .methods(boost::beast::http::verb::get)(
          [](const crow::Request&,
             const std::shared_ptr<bmcweb::AsyncResp>& asyncResp,
             const std::string& dumpId) {
            if (!validateFilename(dumpId)) {
              asyncResp->res.result(boost::beast::http::status::bad_request);
              return;
            }
            std::filesystem::path loc(
                "/var/lib/phosphor-debug-collector/dumps");

            loc /= dumpId;

            if (!std::filesystem::exists(loc) ||
                !std::filesystem::is_directory(loc)) {
              BMCWEB_LOG_ERROR << loc.string() << "Not found";
              asyncResp->res.result(boost::beast::http::status::not_found);
              return;
            }
            std::filesystem::directory_iterator files(loc);

            for (const auto& file : files) {
              std::ifstream readFile(file.path());
              if (!readFile.good()) {
                continue;
              }

              asyncResp->res.addHeader(boost::beast::http::field::content_type,
                                       "application/octet-stream");

              // Assuming only one dump file will be present in the dump
              // id directory
              std::string dumpFileName = file.path().filename().string();

              // Filename should be in alphanumeric, dot and underscore
              // Its based on phosphor-debug-collector application
              // dumpfile format
              static const std::regex dumpFileRegex("[a-zA-Z0-9\\._]+");
              if (!std::regex_match(dumpFileName, dumpFileRegex)) {
                BMCWEB_LOG_ERROR << "Invalid dump filename " << dumpFileName;
                asyncResp->res.result(boost::beast::http::status::not_found);
                return;
              }
              std::string contentDispositionParam =
                  "attachment; filename=\"" + dumpFileName + "\"";

              asyncResp->res.addHeader(
                  boost::beast::http::field::content_disposition,
                  contentDispositionParam);

              asyncResp->res.body() = {std::istreambuf_iterator<char>(readFile),
                                       std::istreambuf_iterator<char>()};
              return;
            }
            asyncResp->res.result(boost::beast::http::status::not_found);
            return;
          });

}
}  // namespace openbmc_mapper
}  // namespace crow

#endif  // THIRD_PARTY_GBMCWEB_INCLUDE_OPENBMC_DBUS_REST_H_