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Camunda 7 Keycloak Identity Provider Plugin for Camunda Platform 7 Run
/*
* ====================================================================
* 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
* .
*
*/
package org.apache.http.impl.auth;
import org.apache.http.Header;
import org.apache.http.HttpRequest;
import org.apache.http.auth.AuthenticationException;
import org.apache.http.auth.Credentials;
import org.apache.http.protocol.HttpContext;
import org.apache.http.util.Args;
import org.ietf.jgss.GSSException;
import org.ietf.jgss.Oid;
/**
* SPNEGO (Simple and Protected GSSAPI Negotiation Mechanism) authentication
* scheme.
*
* @since 4.2
*/
public class SPNegoScheme extends GGSSchemeBase {
private static final String SPNEGO_OID = "1.3.6.1.5.5.2";
/**
* @since 4.4
*/
public SPNegoScheme(final boolean stripPort, final boolean useCanonicalHostname) {
super(stripPort, useCanonicalHostname);
}
public SPNegoScheme(final boolean stripPort) {
super(stripPort);
}
public SPNegoScheme() {
super();
}
@Override
public String getSchemeName() {
return "Negotiate";
}
/**
* Produces SPNEGO authorization Header based on token created by
* processChallenge.
*
* @param credentials not used by the SPNEGO scheme.
* @param request The request being authenticated
*
* @throws AuthenticationException if authentication string cannot
* be generated due to an authentication failure
*
* @return SPNEGO authentication Header
*/
@Override
public Header authenticate(
final Credentials credentials,
final HttpRequest request,
final HttpContext context) throws AuthenticationException {
return super.authenticate(credentials, request, context);
}
@Override @SuppressWarnings("deprecation")
protected byte[] generateToken(final byte[] input, final String authServer) throws GSSException {
return super.generateToken(input, authServer);
}
@Override
protected byte[] generateToken(final byte[] input, final String authServer, final Credentials credentials) throws GSSException {
return generateGSSToken(input, new Oid(SPNEGO_OID), authServer, credentials);
}
/**
* There are no valid parameters for SPNEGO authentication so this
* method always returns {@code null}.
*
* @return {@code null}
*/
@Override
public String getParameter(final String name) {
Args.notNull(name, "Parameter name");
return null;
}
/**
* The concept of an authentication realm is not supported by the Negotiate
* authentication scheme. Always returns {@code null}.
*
* @return {@code null}
*/
@Override
public String getRealm() {
return null;
}
/**
* Returns {@code true}. SPNEGO authentication scheme is connection based.
*
* @return {@code true}.
*/
@Override
public boolean isConnectionBased() {
return true;
}
}
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