1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2016-2018 Ericsson. All rights reserved.
* ================================================================================
* Licensed 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.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.onap.policy.apex.plugins.event.carrier.restserver;
import java.io.IOException;
import javax.ws.rs.container.ContainerRequestContext;
import javax.ws.rs.container.ContainerResponseContext;
import javax.ws.rs.container.ContainerResponseFilter;
import javax.ws.rs.ext.Provider;
/**
* This class implements ContainerResponseFilter which intercepts every request/response coming to REST server and adds
* the required HTTP headers to support CORS.
*
* @author Ram Krishna Verma (ram.krishna.verma@ericsson.com)
*/
@Provider
public class AccessControlFilter implements ContainerResponseFilter {
@Override
public void filter(final ContainerRequestContext requestContext, final ContainerResponseContext responseContext)
throws IOException {
responseContext.getHeaders().add("Access-Control-Allow-Origin", requestContext.getHeaderString("Origin"));
responseContext.getHeaders().add("Access-Control-Expose-Headers", "Content-Type, Accept, Allow");
responseContext.getHeaders().add("Access-Control-Allow-Headers", "Origin, Content-Type, Accept");
responseContext.getHeaders().add("Access-Control-Allow-Credentials", "true");
responseContext.getHeaders().add("Access-Control-Allow-Methods", "OPTIONS, GET, POST, PUT");
}
}
|
