auth/auth-hello/src/main/java/org/onap/aaf/auth/hello/API_Hello.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.hello;
  23
  24 import java.io.BufferedReader;
  25 import java.io.InputStreamReader;
  26
  27 import javax.servlet.ServletOutputStream;
  28 import javax.servlet.http.HttpServletRequest;
  29 import javax.servlet.http.HttpServletResponse;
  30
  31 import org.onap.aaf.auth.env.AuthzTrans;
  32 import org.onap.aaf.auth.hello.AAF_Hello.API;
  33 import org.onap.aaf.auth.rserv.HttpCode;
  34 import org.onap.aaf.auth.rserv.HttpMethods;
  35 import org.onap.aaf.misc.env.Env;
  36 import org.onap.aaf.misc.env.TimeTaken;
  37
  38 /**
  39  * API Apis
  40  * @author Jonathan
  41  *
  42  */
  43 public class API_Hello {
  44
  45
  46     private static final String APPLICATION_JSON = "application/json";
  47     protected static final byte[] NOT_JSON = "Data does not look like JSON".getBytes();
  48
  49     // Hide Public Constructor
  50     private API_Hello() {}
  51
  52     /**
  53      * Normal Init level APIs
  54      *
  55      * @param oauthHello
  56      * @param facade
  57      * @throws Exception
  58      */
  59     public static void init(final AAF_Hello oauthHello) throws Exception {
  60         ////////
  61         // Simple "GET" API
  62         ///////
  63
  64         oauthHello.route(HttpMethods.GET,"/hello/:perm*",API.TOKEN,new HttpCode<AuthzTrans, AAF_Hello>(oauthHello,"Hello OAuth"){
  65             @Override
  66             public void handle(AuthzTrans trans, HttpServletRequest req, HttpServletResponse resp) throws Exception {
  67                 resp.setStatus(200 /* OK */);
  68                 ServletOutputStream os = resp.getOutputStream();
  69                 os.print("Hello AAF ");
  70                 String perm = pathParam(req, "perm");
  71                 if (perm!=null && perm.length()>0) {
  72                     os.print('(');
  73                     os.print(req.getUserPrincipal().getName());
  74                     TimeTaken tt = trans.start("Authorize perm", Env.REMOTE);
  75                     try {
  76                         if (req.isUserInRole(perm)) {
  77                             os.print(" has ");
  78                         } else {
  79                             os.print(" does not have ");
  80                         }
  81                     } finally {
  82                         tt.done();
  83                     }
  84                     os.print("Permission: ");
  85                     os.print(perm);
  86                     os.print(')');
  87                 }
  88                 os.println();
  89
  90                 trans.info().printf("Said 'Hello' to %s, Authentication type: %s",trans.getUserPrincipal().getName(),trans.getUserPrincipal().getClass().getSimpleName());
  91             }
  92         });
  93
  94 ////////////////
  95 // REST APIs
  96 ////////////////
  97
  98         ////////////////
  99         // CREATE/POST
 100         ////////////////
 101         oauthHello.route(oauthHello.env,HttpMethods.POST,"/resthello/:id",new HttpCode<AuthzTrans, AAF_Hello>(oauthHello,"REST Hello Create") {
 102             @Override
 103             public void handle(AuthzTrans trans, HttpServletRequest req, HttpServletResponse resp) throws Exception {
 104                 BufferedReader br = new BufferedReader(new InputStreamReader(req.getInputStream()));
 105                 StringBuilder sb = new StringBuilder();
 106                 while (br.ready()) {
 107                     sb.append(br.readLine());
 108                 }
 109                 String content = sb.toString();
 110                 trans.info().printf("Content from %s: %s\n", pathParam(req, ":id"),content);
 111                 if (content.startsWith("{") && content.endsWith("}")) {
 112                     resp.setStatus(201 /* OK */);
 113                 } else {
 114                     resp.getOutputStream().write(NOT_JSON);
 115                     resp.setStatus(406);
 116                 }
 117             }
 118         },APPLICATION_JSON);
 119
 120
 121         ////////////////
 122         // READ/GET
 123         ////////////////
 124         oauthHello.route(oauthHello.env,HttpMethods.GET,"/resthello/:id",new HttpCode<AuthzTrans, AAF_Hello>(oauthHello,"REST Hello Read") {
 125             @Override
 126             public void handle(AuthzTrans trans, HttpServletRequest req, HttpServletResponse resp) throws Exception {
 127                 resp.setStatus(200 /* OK */);
 128                 StringBuilder sb = new StringBuilder("{\"resp\": \"Hello REST AAF\",\"principal\": \"");
 129                 sb.append(req.getUserPrincipal().getName());
 130                 sb.append('"');
 131                 String perm = pathParam(req, "perm");
 132                 trans.info().printf("Read request from %s: %s\n", pathParam(req, ":id"),perm);
 133                 if (perm!=null && perm.length()>0) {
 134                     TimeTaken tt = trans.start("Authorize perm", Env.REMOTE);
 135                     try {
 136                         sb.append(",\"validation\": { \"permission\" : \"");
 137                         sb.append(perm);
 138                         sb.append("\",\"has\" : \"");
 139                         sb.append(req.isUserInRole(perm));
 140                         sb.append("\"}");
 141                     } finally {
 142                         tt.done();
 143                     }
 144                 }
 145                 sb.append("}");
 146                 ServletOutputStream os = resp.getOutputStream();
 147                 os.println(sb.toString());
 148                 trans.info().printf("Said 'RESTful Hello' to %s, Authentication type: %s",trans.getUserPrincipal().getName(),trans.getUserPrincipal().getClass().getSimpleName());
 149             }
 150         },APPLICATION_JSON);
 151
 152         ////////////////
 153         // UPDATE/PUT
 154         ////////////////
 155         oauthHello.route(oauthHello.env,HttpMethods.PUT,"/resthello/:id",new HttpCode<AuthzTrans, AAF_Hello>(oauthHello,"REST Hello Update") {
 156             @Override
 157             public void handle(AuthzTrans trans, HttpServletRequest req, HttpServletResponse resp) throws Exception {
 158                 BufferedReader br = new BufferedReader(new InputStreamReader(req.getInputStream()));
 159                 StringBuilder sb = new StringBuilder();
 160                 while (br.ready()) {
 161                     sb.append(br.readLine());
 162                 }
 163                 String content = sb.toString();
 164                 trans.info().printf("Content from %s: %s\n", pathParam(req, ":id"),content);
 165                 if (content.startsWith("{") && content.endsWith("}")) {
 166                     resp.setStatus(200 /* OK */);
 167                     resp.getOutputStream().print(content);
 168                 } else {
 169                     resp.getOutputStream().write(NOT_JSON);
 170                     resp.setStatus(406);
 171                 }
 172             }
 173         },APPLICATION_JSON);
 174
 175
 176         ////////////////
 177         // DELETE
 178         ////////////////
 179         oauthHello.route(oauthHello.env,HttpMethods.DELETE,"/resthello/:id",new HttpCode<AuthzTrans, AAF_Hello>(oauthHello,"REST Hello Delete") {
 180             @Override
 181             public void handle(AuthzTrans trans, HttpServletRequest req, HttpServletResponse resp) throws Exception {
 182                 trans.info().printf("Delete requested on %s\n", pathParam(req, ":id"));
 183                 resp.setStatus(200 /* OK */);
 184             }
 185         },APPLICATION_JSON);
 186
 187     }
 188 }