/*
// 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.
*/
#pragma once
#include "node.hpp"

#include <dbus_utility.hpp>
#include <error_messages.hpp>
#include <openbmc_dbus_rest.hpp>
#include <persistent_data.hpp>
#include <utils/json_utils.hpp>

#include <variant>

namespace redfish
{

constexpr const char* ldapConfigObjectName =
    "/xyz/openbmc_project/user/ldap/openldap";
constexpr const char* adConfigObject =
    "/xyz/openbmc_project/user/ldap/active_directory";

constexpr const char* ldapRootObject = "/xyz/openbmc_project/user/ldap";
constexpr const char* ldapDbusService = "xyz.openbmc_project.Ldap.Config";
constexpr const char* ldapConfigInterface =
    "xyz.openbmc_project.User.Ldap.Config";
constexpr const char* ldapCreateInterface =
    "xyz.openbmc_project.User.Ldap.Create";
constexpr const char* ldapEnableInterface = "xyz.openbmc_project.Object.Enable";
constexpr const char* ldapPrivMapperInterface =
    "xyz.openbmc_project.User.PrivilegeMapper";
constexpr const char* dbusObjManagerIntf = "org.freedesktop.DBus.ObjectManager";
constexpr const char* propertyInterface = "org.freedesktop.DBus.Properties";
constexpr const char* mapperBusName = "xyz.openbmc_project.ObjectMapper";
constexpr const char* mapperObjectPath = "/xyz/openbmc_project/object_mapper";
constexpr const char* mapperIntf = "xyz.openbmc_project.ObjectMapper";

struct LDAPRoleMapData
{
    std::string groupName;
    std::string privilege;
};

struct LDAPConfigData
{
    std::string uri{};
    std::string bindDN{};
    std::string baseDN{};
    std::string searchScope{};
    std::string serverType{};
    bool serviceEnabled = false;
    std::string userNameAttribute{};
    std::string groupAttribute{};
    std::vector<std::pair<std::string, LDAPRoleMapData>> groupRoleList;
};

using DbusVariantType = std::variant<bool, int32_t, std::string>;

using DbusInterfaceType = boost::container::flat_map<
    std::string, boost::container::flat_map<std::string, DbusVariantType>>;

using ManagedObjectType =
    std::vector<std::pair<sdbusplus::message::object_path, DbusInterfaceType>>;

using GetObjectType =
    std::vector<std::pair<std::string, std::vector<std::string>>>;

inline std::string getRoleIdFromPrivilege(std::string_view role)
{
    if (role == "priv-admin")
    {
        return "Administrator";
    }
    if (role == "priv-user")
    {
        return "ReadOnly";
    }
    if (role == "priv-operator")
    {
        return "Operator";
    }
    if ((role == "") || (role == "priv-noaccess"))
    {
        return "NoAccess";
    }
    return "";
}
inline std::string getPrivilegeFromRoleId(std::string_view role)
{
    if (role == "Administrator")
    {
        return "priv-admin";
    }
    if (role == "ReadOnly")
    {
        return "priv-user";
    }
    if (role == "Operator")
    {
        return "priv-operator";
    }
    if ((role == "NoAccess") || (role == ""))
    {
        return "priv-noaccess";
    }
    return "";
}

inline void userErrorMessageHandler(const sd_bus_error* e,
                                    const std::shared_ptr<AsyncResp>& asyncResp,
                                    const std::string& newUser,
                                    const std::string& username)
{
    if (e == nullptr)
    {
        messages::internalError(asyncResp->res);
        return;
    }

    const char* errorMessage = e->name;
    if (strcmp(errorMessage,
               "xyz.openbmc_project.User.Common.Error.UserNameExists") == 0)
    {
        messages::resourceAlreadyExists(asyncResp->res,
                                        "#ManagerAccount.v1_4_0.ManagerAccount",
                                        "UserName", newUser);
    }
    else if (strcmp(errorMessage, "xyz.openbmc_project.User.Common.Error."
                                  "UserNameDoesNotExist") == 0)
    {
        messages::resourceNotFound(
            asyncResp->res, "#ManagerAccount.v1_4_0.ManagerAccount", username);
    }
    else if ((strcmp(errorMessage,
                     "xyz.openbmc_project.Common.Error.InvalidArgument") ==
              0) ||
             (strcmp(errorMessage, "xyz.openbmc_project.User.Common.Error."
                                   "UserNameGroupFail") == 0))
    {
        messages::propertyValueFormatError(asyncResp->res, newUser, "UserName");
    }
    else if (strcmp(errorMessage,
                    "xyz.openbmc_project.User.Common.Error.NoResource") == 0)
    {
        messages::createLimitReachedForResource(asyncResp->res);
    }
    else
    {
        messages::internalError(asyncResp->res);
    }

    return;
}

inline void parseLDAPConfigData(nlohmann::json& jsonResponse,
                                const LDAPConfigData& confData,
                                const std::string& ldapType)
{
    std::string service =
        (ldapType == "LDAP") ? "LDAPService" : "ActiveDirectoryService";
    nlohmann::json ldap = {
        {"ServiceEnabled", confData.serviceEnabled},
        {"ServiceAddresses", nlohmann::json::array({confData.uri})},
        {"Authentication",
         {{"AuthenticationType", "UsernameAndPassword"},
          {"Username", confData.bindDN},
          {"Password", nullptr}}},
        {"LDAPService",
         {{"SearchSettings",
           {{"BaseDistinguishedNames",
             nlohmann::json::array({confData.baseDN})},
            {"UsernameAttribute", confData.userNameAttribute},
            {"GroupsAttribute", confData.groupAttribute}}}}},
    };

    jsonResponse[ldapType].update(ldap);

    nlohmann::json& roleMapArray = jsonResponse[ldapType]["RemoteRoleMapping"];
    roleMapArray = nlohmann::json::array();
    for (auto& obj : confData.groupRoleList)
    {
        BMCWEB_LOG_DEBUG << "Pushing the data groupName="
                         << obj.second.groupName << "\n";
        roleMapArray.push_back(
            {nlohmann::json::array({"RemoteGroup", obj.second.groupName}),
             nlohmann::json::array(
                 {"LocalRole", getRoleIdFromPrivilege(obj.second.privilege)})});
    }
}

/**
 *  @brief validates given JSON input and then calls appropriate method to
 * create, to delete or to set Rolemapping object based on the given input.
 *
 */
inline void handleRoleMapPatch(
    const std::shared_ptr<AsyncResp>& asyncResp,
    const std::vector<std::pair<std::string, LDAPRoleMapData>>& roleMapObjData,
    const std::string& serverType, const std::vector<nlohmann::json>& input)
{
    for (size_t index = 0; index < input.size(); index++)
    {
        const nlohmann::json& thisJson = input[index];

        if (thisJson.is_null())
        {
            // delete the existing object
            if (index < roleMapObjData.size())
            {
                crow::connections::systemBus->async_method_call(
                    [asyncResp, roleMapObjData, serverType,
                     index](const boost::system::error_code ec) {
                        if (ec)
                        {
                            BMCWEB_LOG_ERROR << "DBUS response error: " << ec;
                            messages::internalError(asyncResp->res);
                            return;
                        }
                        asyncResp->res
                            .jsonValue[serverType]["RemoteRoleMapping"][index] =
                            nullptr;
                    },
                    ldapDbusService, roleMapObjData[index].first,
                    "xyz.openbmc_project.Object.Delete", "Delete");
            }
            else
            {
                BMCWEB_LOG_ERROR << "Can't delete the object";
                messages::propertyValueTypeError(
                    asyncResp->res,
                    thisJson.dump(2, ' ', true,
                                  nlohmann::json::error_handler_t::replace),
                    "RemoteRoleMapping/" + std::to_string(index));
                return;
            }
        }
        else if (thisJson.empty())
        {
            // Don't do anything for the empty objects,parse next json
            // eg {"RemoteRoleMapping",[{}]}
        }
        else
        {
            // update/create the object
            std::optional<std::string> remoteGroup;
            std::optional<std::string> localRole;

            // This is a copy, but it's required in this case because of how
            // readJson is structured
            nlohmann::json thisJsonCopy = thisJson;
            if (!json_util::readJson(thisJsonCopy, asyncResp->res,
                                     "RemoteGroup", remoteGroup, "LocalRole",
                                     localRole))
            {
                continue;
            }

            // Update existing RoleMapping Object
            if (index < roleMapObjData.size())
            {
                BMCWEB_LOG_DEBUG << "Update Role Map Object";
                // If "RemoteGroup" info is provided
                if (remoteGroup)
                {
                    crow::connections::systemBus->async_method_call(
                        [asyncResp, roleMapObjData, serverType, index,
                         remoteGroup](const boost::system::error_code ec) {
                            if (ec)
                            {
                                BMCWEB_LOG_ERROR << "DBUS response error: "
                                                 << ec;
                                messages::internalError(asyncResp->res);
                                return;
                            }
                            asyncResp->res
                                .jsonValue[serverType]["RemoteRoleMapping"]
                                          [index]["RemoteGroup"] = *remoteGroup;
                        },
                        ldapDbusService, roleMapObjData[index].first,
                        propertyInterface, "Set",
                        "xyz.openbmc_project.User.PrivilegeMapperEntry",
                        "GroupName",
                        std::variant<std::string>(std::move(*remoteGroup)));
                }

                // If "LocalRole" info is provided
                if (localRole)
                {
                    crow::connections::systemBus->async_method_call(
                        [asyncResp, roleMapObjData, serverType, index,
                         localRole](const boost::system::error_code ec) {
                            if (ec)
                            {
                                BMCWEB_LOG_ERROR << "DBUS response error: "
                                                 << ec;
                                messages::internalError(asyncResp->res);
                                return;
                            }
                            asyncResp->res
                                .jsonValue[serverType]["RemoteRoleMapping"]
                                          [index]["LocalRole"] = *localRole;
                        },
                        ldapDbusService, roleMapObjData[index].first,
                        propertyInterface, "Set",
                        "xyz.openbmc_project.User.PrivilegeMapperEntry",
                        "Privilege",
                        std::variant<std::string>(
                            getPrivilegeFromRoleId(std::move(*localRole))));
                }
            }
            // Create a new RoleMapping Object.
            else
            {
                BMCWEB_LOG_DEBUG
                    << "setRoleMappingProperties: Creating new Object";
                std::string pathString =
                    "RemoteRoleMapping/" + std::to_string(index);

                if (!localRole)
                {
                    messages::propertyMissing(asyncResp->res,
                                              pathString + "/LocalRole");
                    continue;
                }
                if (!remoteGroup)
                {
                    messages::propertyMissing(asyncResp->res,
                                              pathString + "/RemoteGroup");
                    continue;
                }

                std::string dbusObjectPath;
                if (serverType == "ActiveDirectory")
                {
                    dbusObjectPath = adConfigObject;
                }
                else if (serverType == "LDAP")
                {
                    dbusObjectPath = ldapConfigObjectName;
                }

                BMCWEB_LOG_DEBUG << "Remote Group=" << *remoteGroup
                                 << ",LocalRole=" << *localRole;

                crow::connections::systemBus->async_method_call(
                    [asyncResp, serverType, localRole,
                     remoteGroup](const boost::system::error_code ec) {
                        if (ec)
                        {
                            BMCWEB_LOG_ERROR << "DBUS response error: " << ec;
                            messages::internalError(asyncResp->res);
                            return;
                        }
                        nlohmann::json& remoteRoleJson =
                            asyncResp->res
                                .jsonValue[serverType]["RemoteRoleMapping"];
                        remoteRoleJson.push_back(
                            {{"LocalRole", *localRole},
                             {"RemoteGroup", *remoteGroup}});
                    },
                    ldapDbusService, dbusObjectPath, ldapPrivMapperInterface,
                    "Create", *remoteGroup,
                    getPrivilegeFromRoleId(std::move(*localRole)));
            }
        }
    }
}

/**
 * Function that retrieves all properties for LDAP config object
 * into JSON
 */
template <typename CallbackFunc>
inline void getLDAPConfigData(const std::string& ldapType,
                              CallbackFunc&& callback)
{

    const std::array<const char*, 2> interfaces = {ldapEnableInterface,
                                                   ldapConfigInterface};

    crow::connections::systemBus->async_method_call(
        [callback, ldapType](const boost::system::error_code ec,
                             const GetObjectType& resp) {
            if (ec || resp.empty())
            {
                BMCWEB_LOG_ERROR << "DBUS response error during getting of "
                                    "service name: "
                                 << ec;
                LDAPConfigData empty{};
                callback(false, empty, ldapType);
                return;
            }
            std::string service = resp.begin()->first;
            crow::connections::systemBus->async_method_call(
                [callback, ldapType](const boost::system::error_code errorCode,
                                     const ManagedObjectType& ldapObjects) {
                    LDAPConfigData confData{};
                    if (errorCode)
                    {
                        callback(false, confData, ldapType);
                        BMCWEB_LOG_ERROR << "D-Bus responses error: "
                                         << errorCode;
                        return;
                    }

                    std::string ldapDbusType;
                    std::string searchString;

                    if (ldapType == "LDAP")
                    {
                        ldapDbusType = "xyz.openbmc_project.User.Ldap.Config."
                                       "Type.OpenLdap";
                        searchString = "openldap";
                    }
                    else if (ldapType == "ActiveDirectory")
                    {
                        ldapDbusType =
                            "xyz.openbmc_project.User.Ldap.Config.Type."
                            "ActiveDirectory";
                        searchString = "active_directory";
                    }
                    else
                    {
                        BMCWEB_LOG_ERROR
                            << "Can't get the DbusType for the given type="
                            << ldapType;
                        callback(false, confData, ldapType);
                        return;
                    }

                    std::string ldapEnableInterfaceStr = ldapEnableInterface;
                    std::string ldapConfigInterfaceStr = ldapConfigInterface;

                    for (const auto& object : ldapObjects)
                    {
                        // let's find the object whose ldap type is equal to the
                        // given type
                        if (object.first.str.find(searchString) ==
                            std::string::npos)
                        {
                            continue;
                        }

                        for (const auto& interface : object.second)
                        {
                            if (interface.first == ldapEnableInterfaceStr)
                            {
                                // rest of the properties are string.
                                for (const auto& property : interface.second)
                                {
                                    if (property.first == "Enabled")
                                    {
                                        const bool* value =
                                            std::get_if<bool>(&property.second);
                                        if (value == nullptr)
                                        {
                                            continue;
                                        }
                                        confData.serviceEnabled = *value;
                                        break;
                                    }
                                }
                            }
                            else if (interface.first == ldapConfigInterfaceStr)
                            {

                                for (const auto& property : interface.second)
                                {
                                    const std::string* strValue =
                                        std::get_if<std::string>(
                                            &property.second);
                                    if (strValue == nullptr)
                                    {
                                        continue;
                                    }
                                    if (property.first == "LDAPServerURI")
                                    {
                                        confData.uri = *strValue;
                                    }
                                    else if (property.first == "LDAPBindDN")
                                    {
                                        confData.bindDN = *strValue;
                                    }
                                    else if (property.first == "LDAPBaseDN")
                                    {
                                        confData.baseDN = *strValue;
                                    }
                                    else if (property.first ==
                                             "LDAPSearchScope")
                                    {
                                        confData.searchScope = *strValue;
                                    }
                                    else if (property.first ==
                                             "GroupNameAttribute")
                                    {
                                        confData.groupAttribute = *strValue;
                                    }
                                    else if (property.first ==
                                             "UserNameAttribute")
                                    {
                                        confData.userNameAttribute = *strValue;
                                    }
                                    else if (property.first == "LDAPType")
                                    {
                                        confData.serverType = *strValue;
                                    }
                                }
                            }
                            else if (interface.first ==
                                     "xyz.openbmc_project.User."
                                     "PrivilegeMapperEntry")
                            {
                                LDAPRoleMapData roleMapData{};
                                for (const auto& property : interface.second)
                                {
                                    const std::string* strValue =
                                        std::get_if<std::string>(
                                            &property.second);

                                    if (strValue == nullptr)
                                    {
                                        continue;
                                    }

                                    if (property.first == "GroupName")
                                    {
                                        roleMapData.groupName = *strValue;
                                    }
                                    else if (property.first == "Privilege")
                                    {
                                        roleMapData.privilege = *strValue;
                                    }
                                }

                                confData.groupRoleList.emplace_back(
                                    object.first.str, roleMapData);
                            }
                        }
                    }
                    callback(true, confData, ldapType);
                },
                service, ldapRootObject, dbusObjManagerIntf,
                "GetManagedObjects");
        },
        mapperBusName, mapperObjectPath, mapperIntf, "GetObject",
        ldapConfigObjectName, interfaces);
}

class AccountService : public Node
{
  public:
    AccountService(App& app) : Node(app, "/redfish/v1/AccountService/")
    {
        entityPrivileges = {
            {boost::beast::http::verb::get, {{"Login"}}},
            {boost::beast::http::verb::head, {{"Login"}}},
            {boost::beast::http::verb::patch, {{"ConfigureUsers"}}},
            {boost::beast::http::verb::put, {{"ConfigureUsers"}}},
            {boost::beast::http::verb::delete_, {{"ConfigureUsers"}}},
            {boost::beast::http::verb::post, {{"ConfigureUsers"}}}};
    }

  private:
    /**
     * @brief parses the authentication section under the LDAP
     * @param input JSON data
     * @param asyncResp pointer to the JSON response
     * @param userName  userName to be filled from the given JSON.
     * @param password  password to be filled from the given JSON.
     */
    void
        parseLDAPAuthenticationJson(nlohmann::json input,
                                    const std::shared_ptr<AsyncResp>& asyncResp,
                                    std::optional<std::string>& username,
                                    std::optional<std::string>& password)
    {
        std::optional<std::string> authType;

        if (!json_util::readJson(input, asyncResp->res, "AuthenticationType",
                                 authType, "Username", username, "Password",
                                 password))
        {
            return;
        }
        if (!authType)
        {
            return;
        }
        if (*authType != "UsernameAndPassword")
        {
            messages::propertyValueNotInList(asyncResp->res, *authType,
                                             "AuthenticationType");
            return;
        }
    }
    /**
     * @brief parses the LDAPService section under the LDAP
     * @param input JSON data
     * @param asyncResp pointer to the JSON response
     * @param baseDNList baseDN to be filled from the given JSON.
     * @param userNameAttribute  userName to be filled from the given JSON.
     * @param groupaAttribute  password to be filled from the given JSON.
     */

    void parseLDAPServiceJson(
        nlohmann::json input, const std::shared_ptr<AsyncResp>& asyncResp,
        std::optional<std::vector<std::string>>& baseDNList,
        std::optional<std::string>& userNameAttribute,
        std::optional<std::string>& groupsAttribute)
    {
        std::optional<nlohmann::json> searchSettings;

        if (!json_util::readJson(input, asyncResp->res, "SearchSettings",
                                 searchSettings))
        {
            return;
        }
        if (!searchSettings)
        {
            return;
        }
        if (!json_util::readJson(*searchSettings, asyncResp->res,
                                 "BaseDistinguishedNames", baseDNList,
                                 "UsernameAttribute", userNameAttribute,
                                 "GroupsAttribute", groupsAttribute))
        {
            return;
        }
    }
    /**
     * @brief updates the LDAP server address and updates the
              json response with the new value.
     * @param serviceAddressList address to be updated.
     * @param asyncResp pointer to the JSON response
     * @param ldapServerElementName Type of LDAP
     server(openLDAP/ActiveDirectory)
     */

    void handleServiceAddressPatch(
        const std::vector<std::string>& serviceAddressList,
        const std::shared_ptr<AsyncResp>& asyncResp,
        const std::string& ldapServerElementName,
        const std::string& ldapConfigObject)
    {
        crow::connections::systemBus->async_method_call(
            [asyncResp, ldapServerElementName,
             serviceAddressList](const boost::system::error_code ec) {
                if (ec)
                {
                    BMCWEB_LOG_DEBUG
                        << "Error Occurred in updating the service address";
                    messages::internalError(asyncResp->res);
                    return;
                }
                std::vector<std::string> modifiedserviceAddressList = {
                    serviceAddressList.front()};
                asyncResp->res
                    .jsonValue[ldapServerElementName]["ServiceAddresses"] =
                    modifiedserviceAddressList;
                if ((serviceAddressList).size() > 1)
                {
                    messages::propertyValueModified(asyncResp->res,
                                                    "ServiceAddresses",
                                                    serviceAddressList.front());
                }
                BMCWEB_LOG_DEBUG << "Updated the service address";
            },
            ldapDbusService, ldapConfigObject, propertyInterface, "Set",
            ldapConfigInterface, "LDAPServerURI",
            std::variant<std::string>(serviceAddressList.front()));
    }
    /**
     * @brief updates the LDAP Bind DN and updates the
              json response with the new value.
     * @param username name of the user which needs to be updated.
     * @param asyncResp pointer to the JSON response
     * @param ldapServerElementName Type of LDAP
     server(openLDAP/ActiveDirectory)
     */

    void handleUserNamePatch(const std::string& username,
                             const std::shared_ptr<AsyncResp>& asyncResp,
                             const std::string& ldapServerElementName,
                             const std::string& ldapConfigObject)
    {
        crow::connections::systemBus->async_method_call(
            [asyncResp, username,
             ldapServerElementName](const boost::system::error_code ec) {
                if (ec)
                {
                    BMCWEB_LOG_DEBUG
                        << "Error occurred in updating the username";
                    messages::internalError(asyncResp->res);
                    return;
                }
                asyncResp->res.jsonValue[ldapServerElementName]
                                        ["Authentication"]["Username"] =
                    username;
                BMCWEB_LOG_DEBUG << "Updated the username";
            },
            ldapDbusService, ldapConfigObject, propertyInterface, "Set",
            ldapConfigInterface, "LDAPBindDN",
            std::variant<std::string>(username));
    }

    /**
     * @brief updates the LDAP password
     * @param password : ldap password which needs to be updated.
     * @param asyncResp pointer to the JSON response
     * @param ldapServerElementName Type of LDAP
     *        server(openLDAP/ActiveDirectory)
     */

    void handlePasswordPatch(const std::string& password,
                             const std::shared_ptr<AsyncResp>& asyncResp,
                             const std::string& ldapServerElementName,
                             const std::string& ldapConfigObject)
    {
        crow::connections::systemBus->async_method_call(
            [asyncResp, password,
             ldapServerElementName](const boost::system::error_code ec) {
                if (ec)
                {
                    BMCWEB_LOG_DEBUG
                        << "Error occurred in updating the password";
                    messages::internalError(asyncResp->res);
                    return;
                }
                asyncResp->res.jsonValue[ldapServerElementName]
                                        ["Authentication"]["Password"] = "";
                BMCWEB_LOG_DEBUG << "Updated the password";
            },
            ldapDbusService, ldapConfigObject, propertyInterface, "Set",
            ldapConfigInterface, "LDAPBindDNPassword",
            std::variant<std::string>(password));
    }

    /**
     * @brief updates the LDAP BaseDN and updates the
              json response with the new value.
     * @param baseDNList baseDN list which needs to be updated.
     * @param asyncResp pointer to the JSON response
     * @param ldapServerElementName Type of LDAP
     server(openLDAP/ActiveDirectory)
     */

    void handleBaseDNPatch(const std::vector<std::string>& baseDNList,
                           const std::shared_ptr<AsyncResp>& asyncResp,
                           const std::string& ldapServerElementName,
                           const std::string& ldapConfigObject)
    {
        crow::connections::systemBus->async_method_call(
            [asyncResp, baseDNList,
             ldapServerElementName](const boost::system::error_code ec) {
                if (ec)
                {
                    BMCWEB_LOG_DEBUG
                        << "Error Occurred in Updating the base DN";
                    messages::internalError(asyncResp->res);
                    return;
                }
                auto& serverTypeJson =
                    asyncResp->res.jsonValue[ldapServerElementName];
                auto& searchSettingsJson =
                    serverTypeJson["LDAPService"]["SearchSettings"];
                std::vector<std::string> modifiedBaseDNList = {
                    baseDNList.front()};
                searchSettingsJson["BaseDistinguishedNames"] =
                    modifiedBaseDNList;
                if (baseDNList.size() > 1)
                {
                    messages::propertyValueModified(asyncResp->res,
                                                    "BaseDistinguishedNames",
                                                    baseDNList.front());
                }
                BMCWEB_LOG_DEBUG << "Updated the base DN";
            },
            ldapDbusService, ldapConfigObject, propertyInterface, "Set",
            ldapConfigInterface, "LDAPBaseDN",
            std::variant<std::string>(baseDNList.front()));
    }
    /**
     * @brief updates the LDAP user name attribute and updates the
              json response with the new value.
     * @param userNameAttribute attribute to be updated.
     * @param asyncResp pointer to the JSON response
     * @param ldapServerElementName Type of LDAP
     server(openLDAP/ActiveDirectory)
     */

    void handleUserNameAttrPatch(const std::string& userNameAttribute,
                                 const std::shared_ptr<AsyncResp>& asyncResp,
                                 const std::string& ldapServerElementName,
                                 const std::string& ldapConfigObject)
    {
        crow::connections::systemBus->async_method_call(
            [asyncResp, userNameAttribute,
             ldapServerElementName](const boost::system::error_code ec) {
                if (ec)
                {
                    BMCWEB_LOG_DEBUG << "Error Occurred in Updating the "
                                        "username attribute";
                    messages::internalError(asyncResp->res);
                    return;
                }
                auto& serverTypeJson =
                    asyncResp->res.jsonValue[ldapServerElementName];
                auto& searchSettingsJson =
                    serverTypeJson["LDAPService"]["SearchSettings"];
                searchSettingsJson["UsernameAttribute"] = userNameAttribute;
                BMCWEB_LOG_DEBUG << "Updated the user name attr.";
            },
            ldapDbusService, ldapConfigObject, propertyInterface, "Set",
            ldapConfigInterface, "UserNameAttribute",
            std::variant<std::string>(userNameAttribute));
    }
    /**
     * @brief updates the LDAP group attribute and updates the
              json response with the new value.
     * @param groupsAttribute attribute to be updated.
     * @param asyncResp pointer to the JSON response
     * @param ldapServerElementName Type of LDAP
     server(openLDAP/ActiveDirectory)
     */

    void handleGroupNameAttrPatch(const std::string& groupsAttribute,
                                  const std::shared_ptr<AsyncResp>& asyncResp,
                                  const std::string& ldapServerElementName,
                                  const std::string& ldapConfigObject)
    {
        crow::connections::systemBus->async_method_call(
            [asyncResp, groupsAttribute,
             ldapServerElementName](const boost::system::error_code ec) {
                if (ec)
                {
                    BMCWEB_LOG_DEBUG << "Error Occurred in Updating the "
                                        "groupname attribute";
                    messages::internalError(asyncResp->res);
                    return;
                }
                auto& serverTypeJson =
                    asyncResp->res.jsonValue[ldapServerElementName];
                auto& searchSettingsJson =
                    serverTypeJson["LDAPService"]["SearchSettings"];
                searchSettingsJson["GroupsAttribute"] = groupsAttribute;
                BMCWEB_LOG_DEBUG << "Updated the groupname attr";
            },
            ldapDbusService, ldapConfigObject, propertyInterface, "Set",
            ldapConfigInterface, "GroupNameAttribute",
            std::variant<std::string>(groupsAttribute));
    }
    /**
     * @brief updates the LDAP service enable and updates the
              json response with the new value.
     * @param input JSON data.
     * @param asyncResp pointer to the JSON response
     * @param ldapServerElementName Type of LDAP
     server(openLDAP/ActiveDirectory)
     */

    void handleServiceEnablePatch(bool serviceEnabled,
                                  const std::shared_ptr<AsyncResp>& asyncResp,
                                  const std::string& ldapServerElementName,
                                  const std::string& ldapConfigObject)
    {
        crow::connections::systemBus->async_method_call(
            [asyncResp, serviceEnabled,
             ldapServerElementName](const boost::system::error_code ec) {
                if (ec)
                {
                    BMCWEB_LOG_DEBUG
                        << "Error Occurred in Updating the service enable";
                    messages::internalError(asyncResp->res);
                    return;
                }
                asyncResp->res
                    .jsonValue[ldapServerElementName]["ServiceEnabled"] =
                    serviceEnabled;
                BMCWEB_LOG_DEBUG << "Updated Service enable = "
                                 << serviceEnabled;
            },
            ldapDbusService, ldapConfigObject, propertyInterface, "Set",
            ldapEnableInterface, "Enabled", std::variant<bool>(serviceEnabled));
    }

    void handleAuthMethodsPatch(nlohmann::json& input,
                                const std::shared_ptr<AsyncResp>& asyncResp)
    {
        std::optional<bool> basicAuth;
        std::optional<bool> cookie;
        std::optional<bool> sessionToken;
        std::optional<bool> xToken;
        std::optional<bool> tls;

        if (!json_util::readJson(input, asyncResp->res, "BasicAuth", basicAuth,
                                 "Cookie", cookie, "SessionToken", sessionToken,
                                 "XToken", xToken, "TLS", tls))
        {
            BMCWEB_LOG_ERROR << "Cannot read values from AuthMethod tag";
            return;
        }

        // Make a copy of methods configuration
        persistent_data::AuthConfigMethods authMethodsConfig =
            persistent_data::SessionStore::getInstance().getAuthMethodsConfig();

        if (basicAuth)
        {
#ifndef BMCWEB_ENABLE_BASIC_AUTHENTICATION
            messages::actionNotSupported(
                asyncResp->res, "Setting BasicAuth when basic-auth feature "
                                "is disabled");
            return;
#endif
            authMethodsConfig.basic = *basicAuth;
        }

        if (cookie)
        {
#ifndef BMCWEB_ENABLE_COOKIE_AUTHENTICATION
            messages::actionNotSupported(
                asyncResp->res, "Setting Cookie when cookie-auth feature "
                                "is disabled");
            return;
#endif
            authMethodsConfig.cookie = *cookie;
        }

        if (sessionToken)
        {
#ifndef BMCWEB_ENABLE_SESSION_AUTHENTICATION
            messages::actionNotSupported(
                asyncResp->res,
                "Setting SessionToken when session-auth feature "
                "is disabled");
            return;
#endif
            authMethodsConfig.sessionToken = *sessionToken;
        }

        if (xToken)
        {
#ifndef BMCWEB_ENABLE_XTOKEN_AUTHENTICATION
            messages::actionNotSupported(
                asyncResp->res, "Setting XToken when xtoken-auth feature "
                                "is disabled");
            return;
#endif
            authMethodsConfig.xtoken = *xToken;
        }

        if (tls)
        {
#ifndef BMCWEB_ENABLE_MUTUAL_TLS_AUTHENTICATION
            messages::actionNotSupported(
                asyncResp->res, "Setting TLS when mutual-tls-auth feature "
                                "is disabled");
            return;
#endif
            authMethodsConfig.tls = *tls;
        }

        if (!authMethodsConfig.basic && !authMethodsConfig.cookie &&
            !authMethodsConfig.sessionToken && !authMethodsConfig.xtoken &&
            !authMethodsConfig.tls)
        {
            // Do not allow user to disable everything
            messages::actionNotSupported(asyncResp->res,
                                         "of disabling all available methods");
            return;
        }

        persistent_data::SessionStore::getInstance().updateAuthMethodsConfig(
            authMethodsConfig);
        // Save configuration immediately
        persistent_data::getConfig().writeData();

        messages::success(asyncResp->res);
    }

    /**
     * @brief Get the required values from the given JSON, validates the
     *        value and create the LDAP config object.
     * @param input JSON data
     * @param asyncResp pointer to the JSON response
     * @param serverType Type of LDAP server(openLDAP/ActiveDirectory)
     */

    void handleLDAPPatch(nlohmann::json& input,
                         const std::shared_ptr<AsyncResp>& asyncResp,
                         const std::string& serverType)
    {
        std::string dbusObjectPath;
        if (serverType == "ActiveDirectory")
        {
            dbusObjectPath = adConfigObject;
        }
        else if (serverType == "LDAP")
        {
            dbusObjectPath = ldapConfigObjectName;
        }
        else
        {
            return;
        }

        std::optional<nlohmann::json> authentication;
        std::optional<nlohmann::json> ldapService;
        std::optional<std::vector<std::string>> serviceAddressList;
        std::optional<bool> serviceEnabled;
        std::optional<std::vector<std::string>> baseDNList;
        std::optional<std::string> userNameAttribute;
        std::optional<std::string> groupsAttribute;
        std::optional<std::string> userName;
        std::optional<std::string> password;
        std::optional<std::vector<nlohmann::json>> remoteRoleMapData;

        if (!json_util::readJson(input, asyncResp->res, "Authentication",
                                 authentication, "LDAPService", ldapService,
                                 "ServiceAddresses", serviceAddressList,
                                 "ServiceEnabled", serviceEnabled,
                                 "RemoteRoleMapping", remoteRoleMapData))
        {
            return;
        }

        if (authentication)
        {
            parseLDAPAuthenticationJson(*authentication, asyncResp, userName,
                                        password);
        }
        if (ldapService)
        {
            parseLDAPServiceJson(*ldapService, asyncResp, baseDNList,
                                 userNameAttribute, groupsAttribute);
        }
        if (serviceAddressList)
        {
            if ((*serviceAddressList).size() == 0)
            {
                messages::propertyValueNotInList(asyncResp->res, "[]",
                                                 "ServiceAddress");
                return;
            }
        }
        if (baseDNList)
        {
            if ((*baseDNList).size() == 0)
            {
                messages::propertyValueNotInList(asyncResp->res, "[]",
                                                 "BaseDistinguishedNames");
                return;
            }
        }

        // nothing to update, then return
        if (!userName && !password && !serviceAddressList && !baseDNList &&
            !userNameAttribute && !groupsAttribute && !serviceEnabled &&
            !remoteRoleMapData)
        {
            return;
        }

        // Get the existing resource first then keep modifying
        // whenever any property gets updated.
        getLDAPConfigData(
            serverType, [this, asyncResp, userName, password, baseDNList,
                         userNameAttribute, groupsAttribute, serviceAddressList,
                         serviceEnabled, dbusObjectPath, remoteRoleMapData](
                            bool success, const LDAPConfigData& confData,
                            const std::string& serverT) {
                if (!success)
                {
                    messages::internalError(asyncResp->res);
                    return;
                }
                parseLDAPConfigData(asyncResp->res.jsonValue, confData,
                                    serverT);
                if (confData.serviceEnabled)
                {
                    // Disable the service first and update the rest of
                    // the properties.
                    handleServiceEnablePatch(false, asyncResp, serverT,
                                             dbusObjectPath);
                }

                if (serviceAddressList)
                {
                    handleServiceAddressPatch(*serviceAddressList, asyncResp,
                                              serverT, dbusObjectPath);
                }
                if (userName)
                {
                    handleUserNamePatch(*userName, asyncResp, serverT,
                                        dbusObjectPath);
                }
                if (password)
                {
                    handlePasswordPatch(*password, asyncResp, serverT,
                                        dbusObjectPath);
                }

                if (baseDNList)
                {
                    handleBaseDNPatch(*baseDNList, asyncResp, serverT,
                                      dbusObjectPath);
                }
                if (userNameAttribute)
                {
                    handleUserNameAttrPatch(*userNameAttribute, asyncResp,
                                            serverT, dbusObjectPath);
                }
                if (groupsAttribute)
                {
                    handleGroupNameAttrPatch(*groupsAttribute, asyncResp,
                                             serverT, dbusObjectPath);
                }
                if (serviceEnabled)
                {
                    // if user has given the value as true then enable
                    // the service. if user has given false then no-op
                    // as service is already stopped.
                    if (*serviceEnabled)
                    {
                        handleServiceEnablePatch(*serviceEnabled, asyncResp,
                                                 serverT, dbusObjectPath);
                    }
                }
                else
                {
                    // if user has not given the service enabled value
                    // then revert it to the same state as it was
                    // before.
                    handleServiceEnablePatch(confData.serviceEnabled, asyncResp,
                                             serverT, dbusObjectPath);
                }

                if (remoteRoleMapData)
                {
                    handleRoleMapPatch(asyncResp, confData.groupRoleList,
                                       serverT, *remoteRoleMapData);
                }
            });
    }

    void doGet(crow::Response& res, const crow::Request&,
               const std::vector<std::string>&) override
    {
        const persistent_data::AuthConfigMethods& authMethodsConfig =
            persistent_data::SessionStore::getInstance().getAuthMethodsConfig();

        auto asyncResp = std::make_shared<AsyncResp>(res);
        res.jsonValue = {
            {"@odata.id", "/redfish/v1/AccountService"},
            {"@odata.type", "#AccountService."
                            "v1_5_0.AccountService"},
            {"Id", "AccountService"},
            {"Name", "Account Service"},
            {"Description", "Account Service"},
            {"ServiceEnabled", true},
            {"MaxPasswordLength", 20},
            {"Accounts",
             {{"@odata.id", "/redfish/v1/AccountService/Accounts"}}},
            {"Roles", {{"@odata.id", "/redfish/v1/AccountService/Roles"}}},
            {"Oem",
             {{"OpenBMC",
               {{"@odata.type", "#OemAccountService.v1_0_0.AccountService"},
                {"AuthMethods",
                 {
                     {"BasicAuth", authMethodsConfig.basic},
                     {"SessionToken", authMethodsConfig.sessionToken},
                     {"XToken", authMethodsConfig.xtoken},
                     {"Cookie", authMethodsConfig.cookie},
                     {"TLS", authMethodsConfig.tls},
                 }}}}}},
            {"LDAP",
             {{"Certificates",
               {{"@odata.id",
                 "/redfish/v1/AccountService/LDAP/Certificates"}}}}}};
        crow::connections::systemBus->async_method_call(
            [asyncResp](
                const boost::system::error_code ec,
                const std::vector<std::pair<
                    std::string, std::variant<uint32_t, uint16_t, uint8_t>>>&
                    propertiesList) {
                if (ec)
                {
                    messages::internalError(asyncResp->res);
                    return;
                }
                BMCWEB_LOG_DEBUG << "Got " << propertiesList.size()
                                 << "properties for AccountService";
                for (const std::pair<std::string,
                                     std::variant<uint32_t, uint16_t, uint8_t>>&
                         property : propertiesList)
                {
                    if (property.first == "MinPasswordLength")
                    {
                        const uint8_t* value =
                            std::get_if<uint8_t>(&property.second);
                        if (value != nullptr)
                        {
                            asyncResp->res.jsonValue["MinPasswordLength"] =
                                *value;
                        }
                    }
                    if (property.first == "AccountUnlockTimeout")
                    {
                        const uint32_t* value =
                            std::get_if<uint32_t>(&property.second);
                        if (value != nullptr)
                        {
                            asyncResp->res.jsonValue["AccountLockoutDuration"] =
                                *value;
                        }
                    }
                    if (property.first == "MaxLoginAttemptBeforeLockout")
                    {
                        const uint16_t* value =
                            std::get_if<uint16_t>(&property.second);
                        if (value != nullptr)
                        {
                            asyncResp->res
                                .jsonValue["AccountLockoutThreshold"] = *value;
                        }
                    }
                }
            },
            "xyz.openbmc_project.User.Manager", "/xyz/openbmc_project/user",
            "org.freedesktop.DBus.Properties", "GetAll",
            "xyz.openbmc_project.User.AccountPolicy");

        auto callback = [asyncResp](bool success, LDAPConfigData& confData,
                                    const std::string& ldapType) {
            if (!success)
            {
                return;
            }
            parseLDAPConfigData(asyncResp->res.jsonValue, confData, ldapType);
        };

        getLDAPConfigData("LDAP", callback);
        getLDAPConfigData("ActiveDirectory", callback);
    }

    void doPatch(crow::Response& res, const crow::Request& req,
                 const std::vector<std::string>&) override
    {
        auto asyncResp = std::make_shared<AsyncResp>(res);

        std::optional<uint32_t> unlockTimeout;
        std::optional<uint16_t> lockoutThreshold;
        std::optional<uint16_t> minPasswordLength;
        std::optional<uint16_t> maxPasswordLength;
        std::optional<nlohmann::json> ldapObject;
        std::optional<nlohmann::json> activeDirectoryObject;
        std::optional<nlohmann::json> oemObject;

        if (!json_util::readJson(
                req, res, "AccountLockoutDuration", unlockTimeout,
                "AccountLockoutThreshold", lockoutThreshold,
                "MaxPasswordLength", maxPasswordLength, "MinPasswordLength",
                minPasswordLength, "LDAP", ldapObject, "ActiveDirectory",
                activeDirectoryObject, "Oem", oemObject))
        {
            return;
        }

        if (minPasswordLength)
        {
            messages::propertyNotWritable(asyncResp->res, "MinPasswordLength");
        }

        if (maxPasswordLength)
        {
            messages::propertyNotWritable(asyncResp->res, "MaxPasswordLength");
        }

        if (ldapObject)
        {
            handleLDAPPatch(*ldapObject, asyncResp, "LDAP");
        }

        if (std::optional<nlohmann::json> oemOpenBMCObject;
            oemObject &&
            json_util::readJson(*oemObject, res, "OpenBMC", oemOpenBMCObject))
        {
            if (std::optional<nlohmann::json> authMethodsObject;
                oemOpenBMCObject &&
                json_util::readJson(*oemOpenBMCObject, res, "AuthMethods",
                                    authMethodsObject))
            {
                if (authMethodsObject)
                {
                    handleAuthMethodsPatch(*authMethodsObject, asyncResp);
                }
            }
        }

        if (activeDirectoryObject)
        {
            handleLDAPPatch(*activeDirectoryObject, asyncResp,
                            "ActiveDirectory");
        }

        if (unlockTimeout)
        {
            crow::connections::systemBus->async_method_call(
                [asyncResp](const boost::system::error_code ec) {
                    if (ec)
                    {
                        messages::internalError(asyncResp->res);
                        return;
                    }
                    messages::success(asyncResp->res);
                },
                "xyz.openbmc_project.User.Manager", "/xyz/openbmc_project/user",
                "org.freedesktop.DBus.Properties", "Set",
                "xyz.openbmc_project.User.AccountPolicy",
                "AccountUnlockTimeout", std::variant<uint32_t>(*unlockTimeout));
        }
        if (lockoutThreshold)
        {
            crow::connections::systemBus->async_method_call(
                [asyncResp](const boost::system::error_code ec) {
                    if (ec)
                    {
                        messages::internalError(asyncResp->res);
                        return;
                    }
                    messages::success(asyncResp->res);
                },
                "xyz.openbmc_project.User.Manager", "/xyz/openbmc_project/user",
                "org.freedesktop.DBus.Properties", "Set",
                "xyz.openbmc_project.User.AccountPolicy",
                "MaxLoginAttemptBeforeLockout",
                std::variant<uint16_t>(*lockoutThreshold));
        }
    }
};

class AccountsCollection : public Node
{
  public:
    AccountsCollection(App& app) :
        Node(app, "/redfish/v1/AccountService/Accounts/")
    {
        entityPrivileges = {
            // According to the PrivilegeRegistry, GET should actually be
            // "Login". A "Login" only privilege would return an empty "Members"
            // list. Not going to worry about this since none of the defined
            // roles are just "Login". E.g. Readonly is {"Login",
            // "ConfigureSelf"}. In the rare event anyone defines a role that
            // has Login but not ConfigureSelf, implement this.
            {boost::beast::http::verb::get,
             {{"ConfigureUsers"}, {"ConfigureSelf"}}},
            {boost::beast::http::verb::head, {{"Login"}}},
            {boost::beast::http::verb::patch, {{"ConfigureUsers"}}},
            {boost::beast::http::verb::put, {{"ConfigureUsers"}}},
            {boost::beast::http::verb::delete_, {{"ConfigureUsers"}}},
            {boost::beast::http::verb::post, {{"ConfigureUsers"}}}};
    }

  private:
    void doGet(crow::Response& res, const crow::Request& req,
               const std::vector<std::string>&) override
    {
        auto asyncResp = std::make_shared<AsyncResp>(res);
        res.jsonValue = {{"@odata.id", "/redfish/v1/AccountService/Accounts"},
                         {"@odata.type", "#ManagerAccountCollection."
                                         "ManagerAccountCollection"},
                         {"Name", "Accounts Collection"},
                         {"Description", "BMC User Accounts"}};

        crow::connections::systemBus->async_method_call(
            [asyncResp, &req, this](const boost::system::error_code ec,
                                    const ManagedObjectType& users) {
                if (ec)
                {
                    messages::internalError(asyncResp->res);
                    return;
                }

                nlohmann::json& memberArray =
                    asyncResp->res.jsonValue["Members"];
                memberArray = nlohmann::json::array();

                for (auto& userpath : users)
                {
                    std::string user = userpath.first.filename();
                    if (user.empty())
                    {
                        messages::internalError(asyncResp->res);
                        BMCWEB_LOG_ERROR << "Invalid firmware ID";

                        return;
                    }

                    // As clarified by Redfish here:
                    // https://redfishforum.com/thread/281/manageraccountcollection-change-allows-account-enumeration
                    // Users without ConfigureUsers, only see their own account.
                    // Users with ConfigureUsers, see all accounts.
                    if (req.session->username == user ||
                        isAllowedWithoutConfigureSelf(req))
                    {
                        memberArray.push_back(
                            {{"@odata.id",
                              "/redfish/v1/AccountService/Accounts/" + user}});
                    }
                }
                asyncResp->res.jsonValue["Members@odata.count"] =
                    memberArray.size();
            },
            "xyz.openbmc_project.User.Manager", "/xyz/openbmc_project/user",
            "org.freedesktop.DBus.ObjectManager", "GetManagedObjects");
    }
    void doPost(crow::Response& res, const crow::Request& req,
                const std::vector<std::string>&) override
    {
        auto asyncResp = std::make_shared<AsyncResp>(res);

        std::string username;
        std::string password;
        std::optional<std::string> roleId("User");
        std::optional<bool> enabled = true;
        if (!json_util::readJson(req, res, "UserName", username, "Password",
                                 password, "RoleId", roleId, "Enabled",
                                 enabled))
        {
            return;
        }

        std::string priv = getPrivilegeFromRoleId(*roleId);
        if (priv.empty())
        {
            messages::propertyValueNotInList(asyncResp->res, *roleId, "RoleId");
            return;
        }
        // TODO: Following override will be reverted once support in
        // phosphor-user-manager is added. In order to avoid dependency issues,
        // this is added in bmcweb, which will removed, once
        // phosphor-user-manager supports priv-noaccess.
        if (priv == "priv-noaccess")
        {
            roleId = "";
        }
        else
        {
            roleId = priv;
        }

        // Reading AllGroups property
        crow::connections::systemBus->async_method_call(
            [asyncResp, username, password{std::move(password)}, roleId,
             enabled](const boost::system::error_code ec,
                      const std::variant<std::vector<std::string>>& allGroups) {
                if (ec)
                {
                    BMCWEB_LOG_DEBUG << "ERROR with async_method_call";
                    messages::internalError(asyncResp->res);
                    return;
                }

                const std::vector<std::string>* allGroupsList =
                    std::get_if<std::vector<std::string>>(&allGroups);

                if (allGroupsList == nullptr || allGroupsList->empty())
                {
                    messages::internalError(asyncResp->res);
                    return;
                }

                crow::connections::systemBus->async_method_call(
                    [asyncResp, username,
                     password](const boost::system::error_code ec2,
                               sdbusplus::message::message& m) {
                        if (ec2)
                        {
                            userErrorMessageHandler(m.get_error(), asyncResp,
                                                    username, "");
                            return;
                        }

                        if (pamUpdatePassword(username, password) !=
                            PAM_SUCCESS)
                        {
                            // At this point we have a user that's been created,
                            // but the password set failed.Something is wrong,
                            // so delete the user that we've already created
                            crow::connections::systemBus->async_method_call(
                                [asyncResp, password](
                                    const boost::system::error_code ec3) {
                                    if (ec3)
                                    {
                                        messages::internalError(asyncResp->res);
                                        return;
                                    }

                                    // If password is invalid
                                    messages::propertyValueFormatError(
                                        asyncResp->res, password, "Password");
                                },
                                "xyz.openbmc_project.User.Manager",
                                "/xyz/openbmc_project/user/" + username,
                                "xyz.openbmc_project.Object.Delete", "Delete");

                            BMCWEB_LOG_ERROR << "pamUpdatePassword Failed";
                            return;
                        }

                        messages::created(asyncResp->res);
                        asyncResp->res.addHeader(
                            "Location",
                            "/redfish/v1/AccountService/Accounts/" + username);
                    },
                    "xyz.openbmc_project.User.Manager",
                    "/xyz/openbmc_project/user",
                    "xyz.openbmc_project.User.Manager", "CreateUser", username,
                    *allGroupsList, *roleId, *enabled);
            },
            "xyz.openbmc_project.User.Manager", "/xyz/openbmc_project/user",
            "org.freedesktop.DBus.Properties", "Get",
            "xyz.openbmc_project.User.Manager", "AllGroups");
    }
};

class ManagerAccount : public Node
{
  public:
    ManagerAccount(App& app) :
        Node(app, "/redfish/v1/AccountService/Accounts/<str>/", std::string())
    {
        entityPrivileges = {
            {boost::beast::http::verb::get,
             {{"ConfigureUsers"}, {"ConfigureManager"}, {"ConfigureSelf"}}},
            {boost::beast::http::verb::head, {{"Login"}}},
            {boost::beast::http::verb::patch,
             {{"ConfigureUsers"}, {"ConfigureSelf"}}},
            {boost::beast::http::verb::put, {{"ConfigureUsers"}}},
            {boost::beast::http::verb::delete_, {{"ConfigureUsers"}}},
            {boost::beast::http::verb::post, {{"ConfigureUsers"}}}};
    }

  private:
    void doGet(crow::Response& res, const crow::Request& req,
               const std::vector<std::string>& params) override
    {
        auto asyncResp = std::make_shared<AsyncResp>(res);

        if (params.size() != 1)
        {
            messages::internalError(asyncResp->res);
            return;
        }

        // Perform a proper ConfigureSelf authority check.  If the
        // user is operating on an account not their own, then their
        // ConfigureSelf privilege does not apply.  In this case,
        // perform the authority check again without the user's
        // ConfigureSelf privilege.
        if (req.session->username != params[0])
        {
            if (!isAllowedWithoutConfigureSelf(req))
            {
                BMCWEB_LOG_DEBUG << "GET Account denied access";
                messages::insufficientPrivilege(asyncResp->res);
                return;
            }
        }

        crow::connections::systemBus->async_method_call(
            [asyncResp, accountName{std::string(params[0])}](
                const boost::system::error_code ec,
                const ManagedObjectType& users) {
                if (ec)
                {
                    messages::internalError(asyncResp->res);
                    return;
                }
                auto userIt = users.begin();

                for (; userIt != users.end(); userIt++)
                {
                    if (boost::ends_with(userIt->first.str, "/" + accountName))
                    {
                        break;
                    }
                }
                if (userIt == users.end())
                {
                    messages::resourceNotFound(asyncResp->res, "ManagerAccount",
                                               accountName);
                    return;
                }

                asyncResp->res.jsonValue = {
                    {"@odata.type", "#ManagerAccount.v1_4_0.ManagerAccount"},
                    {"Name", "User Account"},
                    {"Description", "User Account"},
                    {"Password", nullptr},
                    {"AccountTypes", {"Redfish"}}};

                for (const auto& interface : userIt->second)
                {
                    if (interface.first ==
                        "xyz.openbmc_project.User.Attributes")
                    {
                        for (const auto& property : interface.second)
                        {
                            if (property.first == "UserEnabled")
                            {
                                const bool* userEnabled =
                                    std::get_if<bool>(&property.second);
                                if (userEnabled == nullptr)
                                {
                                    BMCWEB_LOG_ERROR
                                        << "UserEnabled wasn't a bool";
                                    messages::internalError(asyncResp->res);
                                    return;
                                }
                                asyncResp->res.jsonValue["Enabled"] =
                                    *userEnabled;
                            }
                            else if (property.first ==
                                     "UserLockedForFailedAttempt")
                            {
                                const bool* userLocked =
                                    std::get_if<bool>(&property.second);
                                if (userLocked == nullptr)
                                {
                                    BMCWEB_LOG_ERROR << "UserLockedForF"
                                                        "ailedAttempt "
                                                        "wasn't a bool";
                                    messages::internalError(asyncResp->res);
                                    return;
                                }
                                asyncResp->res.jsonValue["Locked"] =
                                    *userLocked;
                                asyncResp->res.jsonValue
                                    ["Locked@Redfish.AllowableValues"] = {
                                    "false"}; // can only unlock accounts
                            }
                            else if (property.first == "UserPrivilege")
                            {
                                const std::string* userPrivPtr =
                                    std::get_if<std::string>(&property.second);
                                if (userPrivPtr == nullptr)
                                {
                                    BMCWEB_LOG_ERROR
                                        << "UserPrivilege wasn't a "
                                           "string";
                                    messages::internalError(asyncResp->res);
                                    return;
                                }
                                std::string role =
                                    getRoleIdFromPrivilege(*userPrivPtr);
                                if (role.empty())
                                {
                                    BMCWEB_LOG_ERROR << "Invalid user role";
                                    messages::internalError(asyncResp->res);
                                    return;
                                }
                                asyncResp->res.jsonValue["RoleId"] = role;

                                asyncResp->res.jsonValue["Links"]["Role"] = {
                                    {"@odata.id", "/redfish/v1/AccountService/"
                                                  "Roles/" +
                                                      role}};
                            }
                            else if (property.first == "UserPasswordExpired")
                            {
                                const bool* userPasswordExpired =
                                    std::get_if<bool>(&property.second);
                                if (userPasswordExpired == nullptr)
                                {
                                    BMCWEB_LOG_ERROR << "UserPassword"
                                                        "Expired "
                                                        "wasn't a bool";
                                    messages::internalError(asyncResp->res);
                                    return;
                                }
                                asyncResp->res
                                    .jsonValue["PasswordChangeRequired"] =
                                    *userPasswordExpired;
                            }
                        }
                    }
                }

                asyncResp->res.jsonValue["@odata.id"] =
                    "/redfish/v1/AccountService/Accounts/" + accountName;
                asyncResp->res.jsonValue["Id"] = accountName;
                asyncResp->res.jsonValue["UserName"] = accountName;
            },
            "xyz.openbmc_project.User.Manager", "/xyz/openbmc_project/user",
            "org.freedesktop.DBus.ObjectManager", "GetManagedObjects");
    }

    void doPatch(crow::Response& res, const crow::Request& req,
                 const std::vector<std::string>& params) override
    {
        auto asyncResp = std::make_shared<AsyncResp>(res);
        if (params.size() != 1)
        {
            messages::internalError(asyncResp->res);
            return;
        }

        std::optional<std::string> newUserName;
        std::optional<std::string> password;
        std::optional<bool> enabled;
        std::optional<std::string> roleId;
        std::optional<bool> locked;
        if (!json_util::readJson(req, res, "UserName", newUserName, "Password",
                                 password, "RoleId", roleId, "Enabled", enabled,
                                 "Locked", locked))
        {
            return;
        }

        const std::string& username = params[0];

        // Perform a proper ConfigureSelf authority check.  If the
        // session is being used to PATCH a property other than
        // Password, then the ConfigureSelf privilege does not apply.
        // If the user is operating on an account not their own, then
        // their ConfigureSelf privilege does not apply.  In either
        // case, perform the authority check again without the user's
        // ConfigureSelf privilege.
        if ((username != req.session->username) ||
            (newUserName || enabled || roleId || locked))
        {
            if (!isAllowedWithoutConfigureSelf(req))
            {
                BMCWEB_LOG_WARNING << "PATCH Password denied access";
                asyncResp->res.clear();
                messages::insufficientPrivilege(asyncResp->res);
                return;
            }
        }

        // if user name is not provided in the patch method or if it
        // matches the user name in the URI, then we are treating it as updating
        // user properties other then username. If username provided doesn't
        // match the URI, then we are treating this as user rename request.
        if (!newUserName || (newUserName.value() == username))
        {
            updateUserProperties(asyncResp, username, password, enabled, roleId,
                                 locked);
            return;
        }
        crow::connections::systemBus->async_method_call(
            [this, asyncResp, username, password(std::move(password)),
             roleId(std::move(roleId)), enabled,
             newUser{std::string(*newUserName)},
             locked](const boost::system::error_code ec,
                     sdbusplus::message::message& m) {
                if (ec)
                {
                    userErrorMessageHandler(m.get_error(), asyncResp, newUser,
                                            username);
                    return;
                }

                updateUserProperties(asyncResp, newUser, password, enabled,
                                     roleId, locked);
            },
            "xyz.openbmc_project.User.Manager", "/xyz/openbmc_project/user",
            "xyz.openbmc_project.User.Manager", "RenameUser", username,
            *newUserName);
    }

    void updateUserProperties(std::shared_ptr<AsyncResp> asyncResp,
                              const std::string& username,
                              std::optional<std::string> password,
                              std::optional<bool> enabled,
                              std::optional<std::string> roleId,
                              std::optional<bool> locked)
    {
        std::string dbusObjectPath = "/xyz/openbmc_project/user/" + username;
        dbus::utility::escapePathForDbus(dbusObjectPath);

        dbus::utility::checkDbusPathExists(
            dbusObjectPath,
            [dbusObjectPath(std::move(dbusObjectPath)), username,
             password(std::move(password)), roleId(std::move(roleId)), enabled,
             locked, asyncResp{std::move(asyncResp)}](int rc) {
                if (!rc)
                {
                    messages::resourceNotFound(
                        asyncResp->res, "#ManagerAccount.v1_4_0.ManagerAccount",
                        username);
                    return;
                }

                if (password)
                {
                    int retval = pamUpdatePassword(username, *password);

                    if (retval == PAM_USER_UNKNOWN)
                    {
                        messages::resourceNotFound(
                            asyncResp->res,
                            "#ManagerAccount.v1_4_0.ManagerAccount", username);
                    }
                    else if (retval == PAM_AUTHTOK_ERR)
                    {
                        // If password is invalid
                        messages::propertyValueFormatError(
                            asyncResp->res, *password, "Password");
                        BMCWEB_LOG_ERROR << "pamUpdatePassword Failed";
                    }
                    else if (retval != PAM_SUCCESS)
                    {
                        messages::internalError(asyncResp->res);
                        return;
                    }
                }

                if (enabled)
                {
                    crow::connections::systemBus->async_method_call(
                        [asyncResp](const boost::system::error_code ec) {
                            if (ec)
                            {
                                BMCWEB_LOG_ERROR << "D-Bus responses error: "
                                                 << ec;
                                messages::internalError(asyncResp->res);
                                return;
                            }
                            messages::success(asyncResp->res);
                            return;
                        },
                        "xyz.openbmc_project.User.Manager",
                        dbusObjectPath.c_str(),
                        "org.freedesktop.DBus.Properties", "Set",
                        "xyz.openbmc_project.User.Attributes", "UserEnabled",
                        std::variant<bool>{*enabled});
                }

                if (roleId)
                {
                    std::string priv = getPrivilegeFromRoleId(*roleId);
                    if (priv.empty())
                    {
                        messages::propertyValueNotInList(asyncResp->res,
                                                         *roleId, "RoleId");
                        return;
                    }
                    if (priv == "priv-noaccess")
                    {
                        priv = "";
                    }

                    crow::connections::systemBus->async_method_call(
                        [asyncResp](const boost::system::error_code ec) {
                            if (ec)
                            {
                                BMCWEB_LOG_ERROR << "D-Bus responses error: "
                                                 << ec;
                                messages::internalError(asyncResp->res);
                                return;
                            }
                            messages::success(asyncResp->res);
                        },
                        "xyz.openbmc_project.User.Manager",
                        dbusObjectPath.c_str(),
                        "org.freedesktop.DBus.Properties", "Set",
                        "xyz.openbmc_project.User.Attributes", "UserPrivilege",
                        std::variant<std::string>{priv});
                }

                if (locked)
                {
                    // admin can unlock the account which is locked by
                    // successive authentication failures but admin should
                    // not be allowed to lock an account.
                    if (*locked)
                    {
                        messages::propertyValueNotInList(asyncResp->res, "true",
                                                         "Locked");
                        return;
                    }

                    crow::connections::systemBus->async_method_call(
                        [asyncResp](const boost::system::error_code ec) {
                            if (ec)
                            {
                                BMCWEB_LOG_ERROR << "D-Bus responses error: "
                                                 << ec;
                                messages::internalError(asyncResp->res);
                                return;
                            }
                            messages::success(asyncResp->res);
                            return;
                        },
                        "xyz.openbmc_project.User.Manager",
                        dbusObjectPath.c_str(),
                        "org.freedesktop.DBus.Properties", "Set",
                        "xyz.openbmc_project.User.Attributes",
                        "UserLockedForFailedAttempt",
                        std::variant<bool>{*locked});
                }
            });
    }

    void doDelete(crow::Response& res, const crow::Request&,
                  const std::vector<std::string>& params) override
    {
        auto asyncResp = std::make_shared<AsyncResp>(res);

        if (params.size() != 1)
        {
            messages::internalError(asyncResp->res);
            return;
        }

        const std::string userPath = "/xyz/openbmc_project/user/" + params[0];

        crow::connections::systemBus->async_method_call(
            [asyncResp,
             username{params[0]}](const boost::system::error_code ec) {
                if (ec)
                {
                    messages::resourceNotFound(
                        asyncResp->res, "#ManagerAccount.v1_4_0.ManagerAccount",
                        username);
                    return;
                }

                messages::accountRemoved(asyncResp->res);
            },
            "xyz.openbmc_project.User.Manager", userPath,
            "xyz.openbmc_project.Object.Delete", "Delete");
    }
};

} // namespace redfish