src/test/java/org/apache/geronimo/microprofile/impl/jwtauth/tck/jaxrs/RunAsFilter.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.jaxrs;

import static java.util.Collections.singleton;

import java.io.IOException;
import java.util.Set;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.annotation.WebFilter;

import org.eclipse.microprofile.jwt.JsonWebToken;

@WebFilter("/inspector")
public class RunAsFilter implements Filter {
    @Override
    public void doFilter(final ServletRequest request, final ServletResponse response,
                         final FilterChain chain) throws IOException, ServletException {
        request.setAttribute(JsonWebToken.class.getName(), new JsonWebToken() {
            @Override
            public String getName() {
                return "run-as";
            }

            @Override
            public Set<String> getClaimNames() {
                return singleton("name");
            }

            @Override
            public <T> T getClaim(final String s) {
                return "name".equals(s) ? (T) "the-name" : null;
            }
        });
        chain.doFilter(request, response);
    }
}