org.openlmis.fulfillment.security.UserNameProvider.java Source code

Introduction

Here is the source code for org.openlmis.fulfillment.security.UserNameProvider.java

Source

/*
 * This program is part of the OpenLMIS logistics management information system platform software.
 * Copyright  2017 VillageReach
 *
 * This program is free software: you can redistribute it and/or modify it under the terms
 * of the GNU Affero General Public License as published by the Free Software Foundation, either
 * version 3 of the License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU Affero General Public License for more details. You should have received a copy of
 * the GNU Affero General Public License along with this program. If not, see
 * http://www.gnu.org/licenses. For additional information contact info@OpenLMIS.org.
 */

package org.openlmis.fulfillment.security;

import org.javers.spring.auditable.AuthorProvider;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;

/**
 * This class is used by JaVers to retrieve the name of the user currently logged in.
 * JaVers then associates audited changes being made with this particular user.
 */
public class UserNameProvider implements AuthorProvider {

    @Override
    public String provide() {
        Authentication auth = SecurityContextHolder.getContext().getAuthentication();

        if (null == auth) {
            return "unauthenticated user";
        }

        Object principal = auth.getPrincipal();
        if (null == principal) {
            return "unknown user";
        }

        return principal.toString();
    }
}