/*
 * 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 org.omnifaces.security.jaspic.config.AuthStacks;

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 java.util.Map;

/**
 * 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<String, String> providerProperties;

    public OmniServerAuthConfig(String layer, String appContext, CallbackHandler handler, Map<String, String> 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<String, String> getProviderProperties() {
        return providerProperties;
    }

}