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.
/**
 *  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.
 */
package org.apache.catalina.authenticator.jaspic;

import java.util.List;

import javax.security.auth.Subject;
import javax.security.auth.message.AuthException;
import javax.security.auth.message.AuthStatus;
import javax.security.auth.message.MessageInfo;
import javax.security.auth.message.config.ServerAuthContext;
import javax.security.auth.message.module.ServerAuthModule;

Basic implementation primarily intended for use when using third-party ServerAuthModule implementations that only provide the module. This implementation supports multiple modules and will treat the user as authenticated if any one module is able to authenticate the user. /**
 * Basic implementation primarily intended for use when using third-party
 * {@link ServerAuthModule} implementations that only provide the module. This
 * implementation supports multiple modules and will treat the user as
 * authenticated if any one module is able to authenticate the user.
 */
public class SimpleServerAuthContext implements ServerAuthContext {

    private final List<ServerAuthModule> modules;


    public SimpleServerAuthContext(List<ServerAuthModule> modules) {
        this.modules = modules;
    }


    @SuppressWarnings("unchecked") // JASPIC API uses raw types
    @Override
    public AuthStatus validateRequest(MessageInfo messageInfo, Subject clientSubject,
            Subject serviceSubject) throws AuthException {
        for (int moduleIndex = 0; moduleIndex < modules.size(); moduleIndex++) {
            ServerAuthModule module = modules.get(moduleIndex);
            AuthStatus result = module.validateRequest(messageInfo, clientSubject, serviceSubject);
            if (result != AuthStatus.SEND_FAILURE) {
                messageInfo.getMap().put("moduleIndex", Integer.valueOf(moduleIndex));
                return result;
            }
        }
        return AuthStatus.SEND_FAILURE;
    }


    @Override
    public AuthStatus secureResponse(MessageInfo messageInfo, Subject serviceSubject)
            throws AuthException {
        ServerAuthModule module = modules.get(((Integer) messageInfo.getMap().get("moduleIndex")).intValue());
        return module.secureResponse(messageInfo, serviceSubject);
    }


    @Override
    public void cleanSubject(MessageInfo messageInfo, Subject subject) throws AuthException {
        for (ServerAuthModule module : modules) {
            module.cleanSubject(messageInfo, subject);
        }
    }
}