1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * See LICENSE.txt included in this distribution for the specific 9 * language governing permissions and limitations under the License. 10 * 11 * When distributing Covered Code, include this CDDL HEADER in each 12 * file and include the License file at LICENSE.txt. 13 * If applicable, add the following below this CDDL HEADER, with the 14 * fields enclosed by brackets "[]" replaced with your own identifying 15 * information: Portions Copyright [yyyy] [name of copyright owner] 16 * 17 * CDDL HEADER END 18 */ 19 20 /* 21 * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved. 22 */ 23 package opengrok.auth.plugin.decoders; 24 25 import jakarta.servlet.http.HttpServletRequest; 26 import opengrok.auth.plugin.entity.User; 27 28 import java.util.logging.Level; 29 import java.util.logging.Logger; 30 31 /** 32 * Get authenticated user principal and use it to create User object. 33 * This works e.g. with HTTP Basic authentication headers as per RFC 7617. 34 * 35 * @author Vladimir Kotal 36 */ 37 public class UserPrincipalDecoder implements IUserDecoder { 38 39 private static final Logger LOGGER = Logger.getLogger(UserPrincipalDecoder.class.getName()); 40 41 @Override fromRequest(HttpServletRequest request)42 public User fromRequest(HttpServletRequest request) { 43 if (request.getUserPrincipal() == null) { 44 return null; 45 } 46 47 String username = request.getUserPrincipal().getName(); 48 if (username == null || username.isEmpty()) { 49 LOGGER.log(Level.WARNING, 50 "Can not construct User object: cannot get user principal from: {0}", 51 request); 52 return null; 53 } 54 55 return new User(username); 56 } 57 }