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/*
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 *
 * Copyright (c) 1997-2012 Oracle and/or its affiliates. All rights reserved.
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 * The contents of this file are subject to the terms of either the GNU
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 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
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 * file and include the License file at packager/legal/LICENSE.txt.
 *
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// Portions Copyright [2016-2021] [Payara Foundation]

package com.sun.web.security;

import org.apache.catalina.Realm;
import org.apache.catalina.core.ContainerBase;
import org.glassfish.api.invocation.ComponentInvocation;
import org.glassfish.api.invocation.ComponentInvocation.ComponentInvocationType;
import org.glassfish.api.invocation.ComponentInvocationHandler;
import org.glassfish.api.invocation.RegisteredComponentInvocationHandler;
import org.glassfish.api.invocation.InvocationException;
import org.glassfish.api.invocation.InvocationManager;

import org.jvnet.hk2.annotations.Service;
import jakarta.inject.Singleton;

import static org.glassfish.api.invocation.ComponentInvocation.ComponentInvocationType.SERVLET_INVOCATION;

import jakarta.inject.Inject;

@Service(name = "webSecurityCIH")
@Singleton
public class WebSecurityComponentInvocationHandler implements RegisteredComponentInvocationHandler {

    @Inject
    private InvocationManager invManager;

    private ComponentInvocationHandler webSecurityCompInvHandler = new ComponentInvocationHandler() {

        @Override
        public void beforePreInvoke(ComponentInvocationType invType, ComponentInvocation prevInv, ComponentInvocation newInv)
                throws InvocationException {
            if (invType == SERVLET_INVOCATION) {
                Object cont = newInv.getContainer();
                if (cont instanceof ContainerBase) {
                    Realm realm = ((ContainerBase) cont).getRealm();
                    if (realm instanceof RealmAdapter) {
                        ((RealmAdapter) realm).preSetRunAsIdentity(newInv);
                    }
                }
            }
        }

        @Override
        public void afterPreInvoke(ComponentInvocationType invType, ComponentInvocation prevInv, ComponentInvocation curInv)
                throws InvocationException {
        }

        @Override
        public void beforePostInvoke(ComponentInvocationType invType, ComponentInvocation prevInv, ComponentInvocation curInv)
                throws InvocationException {
        }

        @Override
        public void afterPostInvoke(ComponentInvocationType invType, ComponentInvocation prevInv, ComponentInvocation curInv)
                throws InvocationException {
            if (invType == SERVLET_INVOCATION) {
                Object cont = curInv.getContainer();
                if (cont instanceof ContainerBase) {
                    Realm realm = ((ContainerBase) cont).getRealm();
                    if (realm instanceof RealmAdapter) {
                        ((RealmAdapter) realm).postSetRunAsIdentity(curInv);
                    }
                }
            }
        }
    };

    @Override
    public ComponentInvocationHandler getComponentInvocationHandler() {
        return webSecurityCompInvHandler;
    }

    @Override
    public void register() {
        invManager.registerComponentInvocationHandler(SERVLET_INVOCATION, this);
    }

}