001/*
002 * Copyright 2023 the original author or authors.
003 * <p>
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 * <p>
008 * https://www.apache.org/licenses/LICENSE-2.0
009 * <p>
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package de.cuioss.portal.restclient;
017
018import de.cuioss.tools.logging.CuiLogger;
019import jakarta.ws.rs.client.ClientRequestContext;
020import jakarta.ws.rs.client.ClientRequestFilter;
021import jakarta.ws.rs.core.HttpHeaders;
022import lombok.RequiredArgsConstructor;
023
024import static de.cuioss.tools.string.MoreStrings.isEmpty;
025
026/**
027 * Client filter that will do token authentication. You must allocate it and
028 * then register it with the Client or WebTarget.
029 */
030@RequiredArgsConstructor
031public class BearerTokenAuthFilter implements ClientRequestFilter {
032
033    private static final CuiLogger LOGGER = new CuiLogger(BearerTokenAuthFilter.class);
034    private static final String AUTH_HEADER_PREFIX = "Bearer ";
035
036    private final String token;
037
038    @Override
039    public void filter(ClientRequestContext requestContext) {
040        LOGGER.trace("token: {}", token);
041        if (!isEmpty(token)) {
042            requestContext.getHeaders().putSingle(HttpHeaders.AUTHORIZATION, AUTH_HEADER_PREFIX + token);
043        }
044    }
045}