eagle-webservice/src/main/java/org/apache/eagle/service/security/auth/AuthenticationResource.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.eagle.service.security.auth;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;

import javax.ws.rs.GET;
import javax.ws.rs.POST;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;

/**
 * @since 10/5/15
 */
@Path("authentication")
public class AuthenticationResource {
    private final static Logger LOG = LoggerFactory.getLogger(AuthenticationResource.class);

    @GET
    @Produces({MediaType.APPLICATION_JSON})
    public Response authenticate() {
        Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
        if (authentication == null) {
            LOG.warn("Authentication is null, forbidden");
            return Response.status(Response.Status.FORBIDDEN).build();
        }
        return Response.ok(authentication.getPrincipal()).build();
    }

    @POST
    @Produces({MediaType.APPLICATION_JSON})
    public Response authenticateByPOST(){
        return authenticate();
    }
}