auth/auth-locate/src/main/java/org/onap/aaf/auth/locate/api/API_Proxy.java

   1 /**
   2  * ============LICENSE_START====================================================
   3  * org.onap.aaf
   4  * ===========================================================================
   5  * Copyright (c) 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
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  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====================================================
  19  *
  20  */
  21
  22 package org.onap.aaf.auth.locate.api;
  23
  24 import java.net.ConnectException;
  25
  26 import javax.servlet.http.HttpServletRequest;
  27 import javax.servlet.http.HttpServletResponse;
  28
  29 import org.eclipse.jetty.http.HttpStatus;
  30 import org.onap.aaf.auth.env.AuthzTrans;
  31 import org.onap.aaf.auth.locate.AAF_Locate;
  32 import org.onap.aaf.auth.locate.BasicAuthCode;
  33 import org.onap.aaf.auth.locate.LocateCode;
  34 import org.onap.aaf.auth.locate.facade.LocateFacade;
  35 import org.onap.aaf.auth.locate.mapper.Mapper.API;
  36 import org.onap.aaf.auth.rserv.HttpMethods;
  37 import org.onap.aaf.cadi.CadiException;
  38 import org.onap.aaf.cadi.client.Future;
  39 import org.onap.aaf.cadi.client.Rcli;
  40 import org.onap.aaf.cadi.client.Retryable;
  41 import org.onap.aaf.cadi.config.Config;
  42 import org.onap.aaf.cadi.oauth.OAuth2Principal;
  43 import org.onap.aaf.misc.env.APIException;
  44 import org.onap.aaf.misc.env.Env;
  45 import org.onap.aaf.misc.env.TimeTaken;
  46
  47 /**
  48  * API Apis.. using Redirect for mechanism
  49  *
  50  * @author Jonathan
  51  *
  52  */
  53 public class API_Proxy {
  54
  55     /**
  56      * Normal Init level APIs
  57      *
  58      * @param gwAPI
  59      * @param facade
  60      * @throws Exception
  61      */
  62     public static void init(final AAF_Locate gwAPI, LocateFacade facade) {
  63
  64         String aafurl = gwAPI.access.getProperty(Config.AAF_URL,null);
  65         if (aafurl!=null) {
  66             ////////
  67             // Transferring APIs
  68             // But DO NOT transfer BasicAuth case... wastes resources.
  69             ///////
  70             final BasicAuthCode bac = new BasicAuthCode(gwAPI.aafAuthn,facade);
  71
  72             gwAPI.routeAll(HttpMethods.GET,"/proxy/:path*",API.VOID,new LocateCode(facade,"Proxy GET", true) {
  73                 @Override
  74                 public void handle(final AuthzTrans trans, final HttpServletRequest req, final HttpServletResponse resp) throws Exception {
  75                     if ("/proxy/authn/basicAuth".equals(req.getPathInfo()) && !(req.getUserPrincipal() instanceof OAuth2Principal)) {
  76                         bac.handle(trans, req, resp);
  77                     } else {
  78                         TimeTaken tt = trans.start("Forward to AAF Service", Env.REMOTE);
  79                         try {
  80                             gwAPI.clientAsUser(trans.getUserPrincipal(), new Retryable<Void>() {
  81                                 @Override
  82                                 public Void code(Rcli<?> client) throws CadiException, ConnectException, APIException {
  83                                     Future<Void> ft = client.transfer(req,resp,pathParam(req, ":path"),HttpStatus.OK_200);
  84                                     ft.get(10000); // Covers return codes and err messages
  85                                     return null;
  86                                 }
  87                             });
  88
  89                         } catch (CadiException | APIException e) {
  90                             trans.error().log(e);
  91                         } finally {
  92                             tt.done();
  93                         }
  94                     }
  95                 }
  96             });
  97
  98             gwAPI.routeAll(HttpMethods.POST,"/proxy/:path*",API.VOID,new LocateCode(facade,"Proxy POST", true) {
  99                 @Override
 100                 public void handle(final AuthzTrans trans, final HttpServletRequest req, final HttpServletResponse resp) throws Exception {
 101                     TimeTaken tt = trans.start("Forward to AAF Service", Env.REMOTE);
 102                     try {
 103                         gwAPI.clientAsUser(trans.getUserPrincipal(), new Retryable<Void>() {
 104                             @Override
 105                             public Void code(Rcli<?> client) throws CadiException, ConnectException, APIException {
 106                                 Future<Void> ft = client.transfer(req,resp,pathParam(req, ":path"),HttpStatus.CREATED_201);
 107                                 ft.get(10000); // Covers return codes and err messages
 108                                 return null;
 109                             }
 110                         });
 111                     } catch (CadiException | APIException e) {
 112                         trans.error().log(e);
 113                     } finally {
 114                         tt.done();
 115                     }
 116                 }
 117             });
 118
 119             gwAPI.routeAll(HttpMethods.PUT,"/proxy/:path*",API.VOID,new LocateCode(facade,"Proxy PUT", true) {
 120                 @Override
 121                 public void handle(final AuthzTrans trans, final HttpServletRequest req, final HttpServletResponse resp) throws Exception {
 122                     TimeTaken tt = trans.start("Forward to AAF Service", Env.REMOTE);
 123                     try {
 124                         gwAPI.clientAsUser(trans.getUserPrincipal(), new Retryable<Void>() {
 125                             @Override
 126                             public Void code(Rcli<?> client) throws CadiException, ConnectException, APIException {
 127                                 Future<Void> ft = client.transfer(req,resp,pathParam(req, ":path"),HttpStatus.OK_200);
 128                                 ft.get(10000); // Covers return codes and err messages
 129                                 return null;
 130                             }
 131                         });
 132                     } catch (CadiException | APIException e) {
 133                         trans.error().log(e);
 134                     } finally {
 135                         tt.done();
 136                     }
 137                 }
 138             });
 139
 140             gwAPI.routeAll(HttpMethods.DELETE,"/proxy/:path*",API.VOID,new LocateCode(facade,"Proxy DELETE", true) {
 141                 @Override
 142                 public void handle(final AuthzTrans trans, final HttpServletRequest req, final HttpServletResponse resp) throws Exception {
 143                     TimeTaken tt = trans.start("Forward to AAF Service", Env.REMOTE);
 144                     try {
 145                         gwAPI.clientAsUser(trans.getUserPrincipal(), new Retryable<Void>() {
 146                             @Override
 147                             public Void code(Rcli<?> client) throws CadiException, ConnectException, APIException {
 148                                 Future<Void> ft = client.transfer(req,resp,pathParam(req, ":path"),HttpStatus.OK_200);
 149                                 ft.get(10000); // Covers return codes and err messages
 150                                 return null;
 151                             }
 152                         });
 153                     } catch (CadiException | APIException e) {
 154                         trans.error().log(e);
 155                     } finally {
 156                         tt.done();
 157                     }
 158                 }
 159             });
 160         }
 161     }
 162 }