+++ /dev/null
-/**
- * ============LICENSE_START=======================================================
- * org.onap.aai
- * ================================================================================
- * Copyright © 2017-2018 AT&T Intellectual Property. 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.
- * ============LICENSE_END=========================================================
- */
-package org.onap.aai.interceptors.pre;
-
-import org.onap.aai.aaf.auth.AAIAuthCore;
-import org.onap.aai.exceptions.AAIException;
-import org.onap.aai.interceptors.AAIContainerFilter;
-import org.onap.aai.interceptors.AAIHeaderProperties;
-import org.onap.aai.logging.ErrorLogHelper;
-import org.onap.aai.restcore.HttpMethod;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.context.annotation.Profile;
-
-import javax.annotation.Priority;
-import javax.security.auth.x500.X500Principal;
-import javax.servlet.http.HttpServletRequest;
-import javax.ws.rs.container.ContainerRequestContext;
-import javax.ws.rs.container.ContainerRequestFilter;
-import javax.ws.rs.container.PreMatching;
-import javax.ws.rs.core.MediaType;
-import javax.ws.rs.core.Response;
-import java.security.cert.X509Certificate;
-import java.util.*;
-import java.util.stream.Collectors;
-
-@PreMatching
-@Priority(AAIRequestFilterPriority.AUTHORIZATION)
-@Profile("two-way-ssl")
-public class TwoWaySslAuthorization extends AAIContainerFilter implements ContainerRequestFilter {
-
-       @Autowired
-       private HttpServletRequest httpServletRequest;
-
-       @Autowired
-       private AAIAuthCore aaiAuthCore;
-
-       @Override
-       public void filter(ContainerRequestContext requestContext) {
-
-               Optional<Response> oResp;
-
-               String uri = requestContext.getUriInfo().getAbsolutePath().getPath();
-               String httpMethod = getHttpMethod(requestContext);
-
-               List<MediaType> acceptHeaderValues = requestContext.getAcceptableMediaTypes();
-
-               Optional<String> authUser = getUser(this.httpServletRequest);
-
-               if (authUser.isPresent()) {
-                       oResp = this.authorize(uri, httpMethod, acceptHeaderValues, authUser.get(),
-                                       this.getHaProxyUser(this.httpServletRequest), getCertIssuer(this.httpServletRequest));
-                       if (oResp.isPresent()) {
-                               requestContext.abortWith(oResp.get());
-                               return;
-                       }
-               } else {
-                       AAIException aaie = new AAIException("AAI_9107");
-                       requestContext
-                                       .abortWith(Response
-                                                       .status(aaie.getErrorObject().getHTTPResponseCode()).entity(ErrorLogHelper
-                                                                       .getRESTAPIErrorResponseWithLogging(acceptHeaderValues, aaie, new ArrayList<>()))
-                                                       .build());
-               }
-
-       }
-
-       private String getCertIssuer(HttpServletRequest hsr) {
-               String issuer =  hsr.getHeader("X-AAI-SSL-Issuer");
-               if (issuer != null && !issuer.isEmpty()) {
-                       // the haproxy header replaces the ', ' with '/' and reverses on the '/' need to undo that.
-                       List<String> broken = Arrays.asList(issuer.split("/"));
-                       broken = broken.stream().filter(s -> !s.isEmpty()).collect(Collectors.toList());
-                       Collections.reverse(broken);
-                       issuer = String.join(", ", broken);
-               } else {
-                       if (hsr.getAttribute("javax.servlet.request.cipher_suite") != null) {
-                               X509Certificate[] certChain = (X509Certificate[]) hsr.getAttribute("javax.servlet.request.X509Certificate");
-                               if (certChain != null && certChain.length > 0) {
-                                       X509Certificate clientCert = certChain[0];
-                                       issuer = clientCert.getIssuerX500Principal().getName();
-                               }
-                       }
-               }
-               return issuer;
-       }
-
-       private String getHttpMethod(ContainerRequestContext requestContext) {
-               String httpMethod = requestContext.getMethod();
-               if ("POST".equalsIgnoreCase(httpMethod)
-                               && "PATCH".equals(requestContext.getHeaderString(AAIHeaderProperties.HTTP_METHOD_OVERRIDE))) {
-                       httpMethod = HttpMethod.MERGE_PATCH.toString();
-               }
-               if (httpMethod.equalsIgnoreCase(HttpMethod.MERGE_PATCH.toString()) || "patch".equalsIgnoreCase(httpMethod)) {
-                       httpMethod = HttpMethod.PUT.toString();
-               }
-               return httpMethod;
-       }
-
-       private Optional<String> getUser(HttpServletRequest hsr) {
-               String authUser = null;
-               if (hsr.getAttribute("javax.servlet.request.cipher_suite") != null) {
-                       X509Certificate[] certChain = (X509Certificate[]) hsr.getAttribute("javax.servlet.request.X509Certificate");
-
-                       /*
-                        * If the certificate is null or the certificate chain length is zero Then
-                        * retrieve the authorization in the request header Authorization Check that it
-                        * is not null and that it starts with Basic and then strip the basic portion to
-                        * get the base64 credentials Check if this is contained in the AAIBasicAuth
-                        * Singleton class If it is, retrieve the username associated with that
-                        * credentials and set to authUser Otherwise, get the principal from certificate
-                        * and use that authUser
-                        */
-
-                       if (certChain == null || certChain.length == 0) {
-
-                               String authorization = hsr.getHeader("Authorization");
-
-                               if (authorization != null && authorization.startsWith("Basic ")) {
-                                       authUser = authorization.replace("Basic ", "");
-                               }
-
-                       } else {
-                               X509Certificate clientCert = certChain[0];
-                               X500Principal subjectDN = clientCert.getSubjectX500Principal();
-                               authUser = subjectDN.toString().toLowerCase();
-                       }
-               }
-
-               return Optional.ofNullable(authUser);
-       }
-
-       private String getHaProxyUser(HttpServletRequest hsr) {
-               String haProxyUser;
-               if (Objects.isNull(hsr.getHeader("X-AAI-SSL-Client-CN")) 
-                               || Objects.isNull(hsr.getHeader("X-AAI-SSL-Client-OU"))
-                               || Objects.isNull(hsr.getHeader("X-AAI-SSL-Client-O"))
-                               || Objects.isNull(hsr.getHeader("X-AAI-SSL-Client-L"))
-                               || Objects.isNull(hsr.getHeader("X-AAI-SSL-Client-ST"))
-                               || Objects.isNull(hsr.getHeader("X-AAI-SSL-Client-C"))) {
-                       haProxyUser = "";
-               } else {
-                       haProxyUser = String.format("CN=%s, OU=%s, O=\"%s\", L=%s, ST=%s, C=%s",
-                                       Objects.toString(hsr.getHeader("X-AAI-SSL-Client-CN"), ""),
-                                       Objects.toString(hsr.getHeader("X-AAI-SSL-Client-OU"), ""),
-                                       Objects.toString(hsr.getHeader("X-AAI-SSL-Client-O"), ""),
-                                       Objects.toString(hsr.getHeader("X-AAI-SSL-Client-L"), ""),
-                                       Objects.toString(hsr.getHeader("X-AAI-SSL-Client-ST"), ""),
-                                       Objects.toString(hsr.getHeader("X-AAI-SSL-Client-C"), "")).toLowerCase();
-               }
-               return haProxyUser;
-       }
-
-       private Optional<Response> authorize(String uri, String httpMethod, List<MediaType> acceptHeaderValues,
-                       String authUser, String haProxyUser, String issuer) {
-               Response response = null;
-               try {
-                       if (!aaiAuthCore.authorize(authUser, uri, httpMethod, haProxyUser, issuer)) {
-                               throw new AAIException("AAI_9101", "Request on " + httpMethod + " " + uri + " status is not OK");
-                       }
-               } catch (AAIException e) {
-                       response = Response.status(e.getErrorObject().getHTTPResponseCode())
-                                       .entity(ErrorLogHelper.getRESTAPIErrorResponseWithLogging(acceptHeaderValues, e, new ArrayList<>()))
-                                       .build();
-               }
-               return Optional.ofNullable(response);
-       }
-
-}