src/test/java/org/apache/geronimo/microprofile/impl/jwtauth/tck/TckSecurityService.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.apache.geronimo.microprofile.impl.jwtauth.tck;

import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Proxy;
import java.security.Principal;
import java.util.function.Supplier;

import javax.enterprise.inject.spi.CDI;
import javax.servlet.http.HttpServletRequest;

import org.apache.webbeans.corespi.security.SimpleSecurityService;
import org.eclipse.microprofile.jwt.JsonWebToken;

// to drop upgrading MW
public class TckSecurityService extends SimpleSecurityService {
    @Override
    public Principal getCurrentPrincipal() {
        return Principal.class.cast(Proxy.newProxyInstance(Thread.currentThread().getContextClassLoader(),
                new Class<?>[]{Principal.class, JsonWebToken.class},
                (proxy, method, args) -> {
                    try {
                        return method.invoke(((Supplier<Principal>) CDI.current().select(HttpServletRequest.class).get()
                                .getAttribute(Principal.class.getName() + ".supplier")).get(), args);
                    } catch (final InvocationTargetException ite) {
                        throw ite.getTargetException();
                    }
                }));
    }
}