| /* |
| * ==================================================================== |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| * |
| */ |
| |
| package org.apache.hc.client5.testing.classic; |
| |
| import java.io.IOException; |
| |
| import org.apache.hc.client5.http.auth.StandardAuthScheme; |
| import org.apache.hc.client5.testing.auth.Authenticator; |
| import org.apache.hc.client5.testing.auth.BasicAuthTokenExtractor; |
| import org.apache.hc.core5.http.ClassicHttpRequest; |
| import org.apache.hc.core5.http.ClassicHttpResponse; |
| import org.apache.hc.core5.http.Header; |
| import org.apache.hc.core5.http.HttpException; |
| import org.apache.hc.core5.http.HttpHeaders; |
| import org.apache.hc.core5.http.HttpStatus; |
| import org.apache.hc.core5.http.io.HttpServerRequestHandler; |
| import org.apache.hc.core5.http.io.entity.EntityUtils; |
| import org.apache.hc.core5.http.io.entity.StringEntity; |
| import org.apache.hc.core5.http.message.BasicClassicHttpResponse; |
| import org.apache.hc.core5.http.protocol.HttpContext; |
| import org.apache.hc.core5.net.URIAuthority; |
| import org.apache.hc.core5.util.Args; |
| |
| public class AuthenticatingDecorator implements HttpServerRequestHandler { |
| |
| private final HttpServerRequestHandler requestHandler; |
| private final Authenticator authenticator; |
| private final BasicAuthTokenExtractor authTokenExtractor; |
| |
| public AuthenticatingDecorator(final HttpServerRequestHandler requestHandler, final Authenticator authenticator) { |
| this.requestHandler = Args.notNull(requestHandler, "Request handler"); |
| this.authenticator = Args.notNull(authenticator, "Authenticator"); |
| this.authTokenExtractor = new BasicAuthTokenExtractor(); |
| } |
| |
| protected void customizeUnauthorizedResponse(final ClassicHttpResponse unauthorized) { |
| } |
| |
| @Override |
| public void handle( |
| final ClassicHttpRequest request, |
| final ResponseTrigger responseTrigger, |
| final HttpContext context) throws HttpException, IOException { |
| final Header h = request.getFirstHeader(HttpHeaders.AUTHORIZATION); |
| final String challengeResponse = h != null ? authTokenExtractor.extract(h.getValue()) : null; |
| |
| final URIAuthority authority = request.getAuthority(); |
| final String requestUri = request.getRequestUri(); |
| |
| final boolean authenticated = authenticator.authenticate(authority, requestUri, challengeResponse); |
| final Header expect = request.getFirstHeader(HttpHeaders.EXPECT); |
| final boolean expectContinue = expect != null && "100-continue".equalsIgnoreCase(expect.getValue()); |
| |
| if (authenticated) { |
| if (expectContinue) { |
| responseTrigger.sendInformation(new BasicClassicHttpResponse(HttpStatus.SC_CONTINUE)); |
| } |
| requestHandler.handle(request, responseTrigger, context); |
| } else { |
| final ClassicHttpResponse unauthorized = new BasicClassicHttpResponse(HttpStatus.SC_UNAUTHORIZED); |
| final String realm = authenticator.getRealm(authority, requestUri); |
| unauthorized.addHeader(HttpHeaders.WWW_AUTHENTICATE, StandardAuthScheme.BASIC + " realm=\"" + realm + "\""); |
| customizeUnauthorizedResponse(unauthorized); |
| if (unauthorized.getEntity() == null) { |
| unauthorized.setEntity(new StringEntity("Unauthorized")); |
| } |
| if (expectContinue || request.getEntity() == null) { |
| // Respond immediately |
| responseTrigger.submitResponse(unauthorized); |
| // Consume request body later |
| EntityUtils.consume(request.getEntity()); |
| } else { |
| // Consume request body first |
| EntityUtils.consume(request.getEntity()); |
| // Respond later |
| responseTrigger.submitResponse(unauthorized); |
| } |
| } |
| } |
| |
| } |