stoty commented on code in PR #615: URL: https://github.com/apache/httpcomponents-client/pull/615#discussion_r1974006376
########## httpclient5/src/main/java/org/apache/hc/client5/http/impl/auth/gss/SpnegoScheme.java: ########## @@ -0,0 +1,113 @@ +/* + * ==================================================================== + * 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.http.impl.auth.gss; + +import org.apache.hc.client5.http.AuthenticationStrategy; +import org.apache.hc.client5.http.DnsResolver; +import org.apache.hc.client5.http.auth.StandardAuthScheme; +import org.apache.hc.client5.http.impl.auth.SPNegoScheme; +import org.ietf.jgss.GSSException; +import org.ietf.jgss.Oid; + +/** + * SPNEGO (Simple and Protected GSSAPI Negotiation Mechanism) authentication + * scheme. + * <p> + * This is the new mutual authentication capable Scheme which replaces the old deprecated non mutual + * authentication capable {@link SPNegoScheme} + * </p> + * + * <p> + * Note that this scheme is not enabled by default. To use it, you need create a custom + * {@link AuthenticationStrategy} and a custom + * {@link org.apache.hc.client5.http.auth.AuthSchemeFactory} + * {@link org.apache.hc.core5.http.config.Registry}, + * and set them on the HttpClientBuilder. + * </p> + * + * <pre> + * {@code + * private static class SpnegoAuthenticationStrategy extends DefaultAuthenticationStrategy { + * private static final List<String> SPNEGO_SCHEME_PRIORITY = + * Collections.unmodifiableList( + * Arrays.asList(StandardAuthScheme.SPNEGO + * // Add other Schemes as needed + * ); + * + * protected final List<String> getSchemePriority() { + * return SPNEGO_SCHEME_PRIORITY; + * } + * } + * + * AuthenticationStrategy spnegoStrategy = new SpnegoAuthenticationStrategy(); + * + * AuthSchemeFactory spnegoFactory = new SpnegoSchemeFactory(); + * Registry<AuthSchemeFactory> mutualSchemeRegistry = RegistryBuilder.<AuthSchemeFactory>create() + * .register(StandardAuthScheme.SPNEGO, spnegoFactory) + * //register other schemes as needed + * .build(); + * + * CloseableHttpClient mutualClient = HttpClientBuilder.create() + * .setTargetAuthenticationStrategy(spnegoStrategy); + * .setDefaultAuthSchemeRegistry(spnegoSchemeRegistry); + * .build(); + * } + * </pre> + * + * @since 5.5 + */ +public class SpnegoScheme extends GssSchemeBase { + + private static final String SPNEGO_OID = "1.3.6.1.5.5.2"; + + /** + * @since 5.0 + */ + public SpnegoScheme(final org.apache.hc.client5.http.auth.gss.GssConfig config, final DnsResolver dnsResolver) { + super(config, dnsResolver); + } + + public SpnegoScheme() { + super(); + } + + @Override + public String getName() { + return StandardAuthScheme.SPNEGO; + } + + @Override + protected byte[] generateToken(final byte[] input, final String gssServiceName, final String gssHostname) throws GSSException { + return generateGSSToken(input, new Oid(SPNEGO_OID), gssServiceName, gssHostname); Review Comment: Sure -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: dev-unsubscr...@hc.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@hc.apache.org For additional commands, e-mail: dev-h...@hc.apache.org
