WebSecurityComponentInvocationHandler.java

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// Portions Copyright [2016] [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 javax.inject.Singleton;

import javax.inject.Inject;

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

    @Inject
    private InvocationManager invManager;


    private ComponentInvocationHandler webSecurityCompInvHandler = new ComponentInvocationHandler() {

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

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

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

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


    public ComponentInvocationHandler getComponentInvocationHandler() {
        return webSecurityCompInvHandler;
    }

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



}