2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright © 2017-2019 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=========================================================
21 package org.onap.aai.aaf.filters;
23 import java.io.IOException;
24 import java.nio.charset.StandardCharsets;
25 import java.util.regex.Pattern;
27 import javax.servlet.FilterChain;
28 import javax.servlet.ServletException;
29 import javax.servlet.http.HttpServletRequest;
30 import javax.servlet.http.HttpServletResponse;
32 import org.apache.commons.io.IOUtils;
33 import org.onap.aai.aaf.auth.ResponseFormatter;
34 import org.slf4j.Logger;
35 import org.slf4j.LoggerFactory;
36 import org.springframework.beans.factory.annotation.Autowired;
37 import org.springframework.beans.factory.annotation.Value;
38 import org.springframework.context.annotation.Profile;
39 import org.springframework.stereotype.Component;
42 @Profile({AafProfiles.AAF_CERT_AUTHENTICATION, AafProfiles.AAF_AUTHENTICATION})
43 public class GremlinFilter {
45 private static final Logger LOGGER = LoggerFactory.getLogger(GremlinFilter.class);
47 private static final String ADVANCED = "advanced";
48 private static final String BASIC = "basic";
49 private static final Pattern ECHO_ENDPOINT = Pattern.compile("^.*/util/echo$");
55 private CadiProps cadiProps;
58 public GremlinFilter(@Value("${permission.type}") String type, @Value("${permission.instance}") String instance,
59 CadiProps cadiProps) {
61 this.instance = instance;
62 this.cadiProps = cadiProps;
65 public void doBasicAuthFilter(HttpServletRequest request, HttpServletResponse response, FilterChain filterChain)
66 throws IOException, ServletException {
67 PayloadBufferingRequestWrapper requestBufferWrapper = new PayloadBufferingRequestWrapper(request);
69 if (ECHO_ENDPOINT.matcher(request.getRequestURI()).matches()) {
70 filterChain.doFilter(requestBufferWrapper, response);
73 String payload = IOUtils.toString(requestBufferWrapper.getInputStream(), StandardCharsets.UTF_8.name());
74 boolean containsWordGremlin = payload.contains("\"gremlin\"");
76 // if the requestBufferWrapper contains the word "gremlin" it's an "advanced" query needing an "advanced" role
77 String permissionBasic = String.format("%s|%s|%s", type, instance, BASIC);
78 String permissionAdvanced = String.format("%s|%s|%s", type, instance, ADVANCED);
82 if (containsWordGremlin) {
83 isAuthorized = requestBufferWrapper.isUserInRole(permissionAdvanced);
85 isAuthorized = requestBufferWrapper.isUserInRole(permissionAdvanced)
86 || requestBufferWrapper.isUserInRole(permissionBasic);
91 requestBufferWrapper.getUserPrincipal() != null ? requestBufferWrapper.getUserPrincipal().getName()
93 LOGGER.info("User " + name + " does not have a role for "
94 + (containsWordGremlin ? "gremlin" : "non-gremlin") + " query");
95 ResponseFormatter.errorResponse(request, response);
97 filterChain.doFilter(requestBufferWrapper, response);