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/*
 * Copyright 2013 OmniFaces.
 *
 * Licensed 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.omnifaces.security.jaspic.factory;

import java.util.Map;

import javax.security.auth.Subject;
import javax.security.auth.callback.CallbackHandler;
import javax.security.auth.message.AuthException;
import javax.security.auth.message.MessageInfo;
import javax.security.auth.message.config.ServerAuthConfig;
import javax.security.auth.message.config.ServerAuthContext;
import javax.security.auth.message.module.ServerAuthModule;

import org.omnifaces.security.jaspic.config.AuthStacks;

/**
 * This class functions as a kind of factory for {@link ServerAuthContext} instances, which are delegates for the actual {@link ServerAuthModule}
 * (SAM) that we're after.
 *
 */
public class OmniServerAuthConfig implements ServerAuthConfig {

	private String layer;
	private String appContext;
	private CallbackHandler handler;
	private AuthStacks stacks;
	private Map providerProperties;

	public OmniServerAuthConfig(String layer, String appContext, CallbackHandler handler, Map providerProperties, AuthStacks stacks) {
		this.layer = layer;
		this.appContext = appContext;
		this.handler = handler;
		this.providerProperties = providerProperties;
		this.stacks = stacks;
	}

	@Override
	public ServerAuthContext getAuthContext(String authContextID, Subject serviceSubject, @SuppressWarnings("rawtypes") Map properties)	throws AuthException {
		return new OmniServerAuthContext(handler, stacks);
	}

	@Override
	public String getMessageLayer() {
		return layer;
	}

	@Override
	public String getAuthContextID(MessageInfo messageInfo) {
		return appContext;
	}

	@Override
	public String getAppContext() {
		return appContext;
	}

	@Override
	public void refresh() {
		// doesn't seem to be called by any server, ever.
	}

	@Override
	public boolean isProtected() {
		return false;
	}

	public Map getProviderProperties() {
		return providerProperties;
	}

}