2.2. 使用 Elytron 传播和转发身份

public class RemoteClient {

    public static void main(String[] args) throws Exception {
        // invoke the intermediate bean using the identity configured in wildfly-config.xml
        invokeIntermediateBean();

        // now lets programmatically setup an authentication context to switch users before invoking the intermediate bean
        AuthenticationConfiguration superUser = AuthenticationConfiguration.empty().setSaslMechanismSelector(SaslMechanismSelector.NONE.addMechanism("PLAIN")).
                useName("superUser").usePassword("superPwd1!");
        final AuthenticationContext authCtx = AuthenticationContext.empty().
                with(MatchRule.ALL, superUser);

        AuthenticationContext.getContextManager().setThreadDefault(authCtx);
        invokeIntermediateBean();
    }

    private static void invokeIntermediateBean() throws Exception {
        final Hashtable<String, String> jndiProperties = new Hashtable<>();
        jndiProperties.put(Context.INITIAL_CONTEXT_FACTORY, "org.wildfly.naming.client.WildFlyInitialContextFactory");
        jndiProperties.put(Context.PROVIDER_URL, "remote+http://localhost:8080");
        final Context context = new InitialContext(jndiProperties);
        IntermediateEJBRemote intermediate = (IntermediateEJBRemote) context.lookup("ejb:/ejb-security-context-propagation/IntermediateEJB!"
                + IntermediateEJBRemote.class.getName());
        // Call the intermediate EJB
        System.out.println(intermediate.makeRemoteCalls());
    }
}

@Stateless
@Remote(IntermediateEJBRemote.class)
@SecurityDomain("quickstart-domain")
@PermitAll
public class IntermediateEJB implements IntermediateEJBRemote {

    @EJB(lookup="ejb:/ejb-security-context-propagation/SecuredEJB!org.jboss.as.quickstarts.ejb_security_context_propagation.SecuredEJBRemote")
    private SecuredEJBRemote remote;

    @Resource
    private EJBContext context;

    public String makeRemoteCalls() {
        try {
            StringBuilder sb = new StringBuilder("** ").
                    append(context.getCallerPrincipal()).
                    append(" * * \n\n");
            sb.append("Remote Security Information: ").
                    append(remote.getSecurityInformation()).
                    append("\n");

            return sb.toString();
        } catch (Exception e) {
            if (e instanceof RuntimeException) {
                throw (RuntimeException) e;
            }
            throw new RuntimeException("Teasting failed.", e);
        }
    }
}

@Stateless
@Remote(SecuredEJBRemote.class)
@SecurityDomain("quickstart-domain")
public class SecuredEJB implements SecuredEJBRemote {

    @Resource
    private SessionContext context;

    @PermitAll
    public String getSecurityInformation() {
        StringBuilder sb = new StringBuilder("[");
        sb.append("Principal=[").
                append(context.getCallerPrincipal().getName()).
                append("], ");
        userInRole("guest", sb).append(", ");
        userInRole("user", sb).append(", ");
        userInRole("admin", sb).append("]");
        return sb.toString();
    }
}

<?xml version="1.0" encoding="UTF-8"?>
<configuration>
    <authentication-client xmlns="urn:elytron:client:1.2">
        <authentication-rules>
            <rule use-configuration="default"/>
        </authentication-rules>
        <authentication-configurations>
            <configuration name="default">
                <set-user-name name="quickstartUser"/>
                <credentials>
                    <clear-password password="quickstartPwd1!"/>
                </credentials>
                <sasl-mechanism-selector selector="PLAIN"/>
                <providers>
                    <use-service-loader />
                </providers>
            </configuration>
        </authentication-configurations>
    </authentication-client>
</configuration>