2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved.
6 * ================================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * ============LICENSE_END=========================================================
20 package org.onap.aai.interceptors.pre;
22 import java.io.IOException;
23 import java.util.ArrayList;
24 import java.util.List;
25 import java.util.Optional;
26 import java.util.UUID;
28 import javax.annotation.Priority;
29 import javax.ws.rs.container.ContainerRequestContext;
30 import javax.ws.rs.container.ContainerRequestFilter;
31 import javax.ws.rs.container.PreMatching;
32 import javax.ws.rs.core.MediaType;
33 import javax.ws.rs.core.Response;
35 import org.onap.aai.exceptions.AAIException;
36 import org.onap.aai.interceptors.AAIContainerFilter;
37 import org.onap.aai.interceptors.AAIHeaderProperties;
38 import org.onap.aai.logging.ErrorLogHelper;
41 @Priority(AAIRequestFilterPriority.HEADER_VALIDATION)
42 public class HeaderValidation extends AAIContainerFilter implements ContainerRequestFilter {
45 public void filter(ContainerRequestContext requestContext) throws IOException {
47 Optional<Response> oResp;
49 String transId = requestContext.getHeaderString(AAIHeaderProperties.TRANSACTION_ID);
50 String fromAppId = requestContext.getHeaderString(AAIHeaderProperties.FROM_APP_ID);
52 List<MediaType> acceptHeaderValues = requestContext.getAcceptableMediaTypes();
54 oResp = this.validateHeaderValuePresence(fromAppId, "AAI_4009", acceptHeaderValues);
55 if (oResp.isPresent()) {
56 requestContext.abortWith(oResp.get());
59 oResp = this.validateHeaderValuePresence(transId, "AAI_4010", acceptHeaderValues);
60 if (oResp.isPresent()) {
61 requestContext.abortWith(oResp.get());
65 if (!this.isValidUUID(transId)) {
66 transId = UUID.randomUUID().toString();
67 requestContext.getHeaders().get(AAIHeaderProperties.TRANSACTION_ID).clear();
68 requestContext.getHeaders().add(AAIHeaderProperties.TRANSACTION_ID, transId);
73 private Optional<Response> validateHeaderValuePresence(String value, String errorCode,
74 List<MediaType> acceptHeaderValues) {
75 Response response = null;
78 aaie = new AAIException(errorCode);
79 return Optional.of(Response.status(aaie.getErrorObject().getHTTPResponseCode())
80 .entity(ErrorLogHelper.getRESTAPIErrorResponse(acceptHeaderValues, aaie, new ArrayList<>()))
84 return Optional.ofNullable(response);