auth/auth-locate/src/main/java/org/onap/aaf/auth/locate/api/API_AAFAccess.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 static org.onap.aaf.auth.layer.Result.OK;
  25
  26 import java.io.IOException;
  27 import java.net.ConnectException;
  28 import java.net.URI;
  29 import java.security.Principal;
  30
  31 import javax.servlet.ServletOutputStream;
  32 import javax.servlet.http.HttpServletRequest;
  33 import javax.servlet.http.HttpServletResponse;
  34
  35 import org.eclipse.jetty.http.HttpStatus;
  36 import org.onap.aaf.auth.cache.Cache.Dated;
  37 import org.onap.aaf.auth.env.AuthzTrans;
  38 import org.onap.aaf.auth.layer.Result;
  39 import org.onap.aaf.auth.locate.AAF_Locate;
  40 import org.onap.aaf.auth.locate.BasicAuthCode;
  41 import org.onap.aaf.auth.locate.LocateCode;
  42 import org.onap.aaf.auth.locate.facade.LocateFacade;
  43 import org.onap.aaf.auth.locate.mapper.Mapper.API;
  44 import org.onap.aaf.auth.rserv.HttpMethods;
  45 import org.onap.aaf.cadi.CadiException;
  46 import org.onap.aaf.cadi.Locator;
  47 import org.onap.aaf.cadi.Locator.Item;
  48 import org.onap.aaf.cadi.LocatorException;
  49 import org.onap.aaf.cadi.aaf.AAFPermission;
  50 import org.onap.aaf.cadi.client.Future;
  51 import org.onap.aaf.cadi.client.Rcli;
  52 import org.onap.aaf.cadi.client.Retryable;
  53 import org.onap.aaf.misc.env.APIException;
  54 import org.onap.aaf.misc.env.Env;
  55 import org.onap.aaf.misc.env.TimeTaken;
  56
  57 public class API_AAFAccess {
  58 //      private static String service, version, envContext;
  59
  60         private static final String GET_PERMS_BY_USER = "Get Perms by User";
  61         private static final String USER_HAS_PERM ="User Has Perm";
  62 //      private static final String USER_IN_ROLE ="User Has Role";
  63
  64         /**
  65          * Normal Init level APIs
  66          *
  67          * @param gwAPI
  68          * @param facade
  69          * @throws Exception
  70          */
  71         public static void init(final AAF_Locate gwAPI, LocateFacade facade) throws Exception {
  72
  73
  74                 gwAPI.route(HttpMethods.GET,"/authz/perms/user/:user",API.VOID,new LocateCode(facade,GET_PERMS_BY_USER, true) {
  75                         @Override
  76                         public void handle(final AuthzTrans trans, final HttpServletRequest req, final HttpServletResponse resp) throws Exception {
  77                                 TimeTaken tt = trans.start(GET_PERMS_BY_USER, Env.SUB);
  78                                 try {
  79                                         final String accept = req.getHeader("ACCEPT");
  80                                         final String user = pathParam(req,":user");
  81                                         if(!user.contains("@")) {
  82                                                 context.error(trans,resp,Result.ERR_BadData,"User [%s] must be fully qualified with domain",user);
  83                                                 return;
  84                                         }
  85                                         final String key = trans.user() + user + (accept!=null&&accept.contains("xml")?"-xml":"-json");
  86                                         TimeTaken tt2 = trans.start("Cache Lookup",Env.SUB);
  87                                         Dated d;
  88                                         try {
  89                                                 d = gwAPI.cacheUser.get(key);
  90                                         } finally {
  91                                                 tt2.done();
  92                                         }
  93
  94                                         if(d==null || d.data.isEmpty()) {
  95                                                 tt2 = trans.start("AAF Service Call",Env.REMOTE);
  96                                                 try {
  97                                                         gwAPI.clientAsUser(trans.getUserPrincipal(), new Retryable<Void>() {
  98                                                                 @Override
  99                                                                 public Void code(Rcli<?> client) throws CadiException, ConnectException, APIException {
 100                                                                         Future<String> fp = client.read("/authz/perms/user/"+user,accept);
 101                                                                         if(fp.get(5000)) {
 102                                                                                 gwAPI.cacheUser.put(key, new Dated(new User(fp.code(),fp.body()),gwAPI.expireIn));
 103                                                                                 resp.setStatus(HttpStatus.OK_200);
 104                                                                                 ServletOutputStream sos;
 105                                                                                 try {
 106                                                                                         sos = resp.getOutputStream();
 107                                                                                         sos.print(fp.value);
 108                                                                                 } catch (IOException e) {
 109                                                                                         throw new CadiException(e);
 110                                                                                 }
 111                                                                         } else {
 112                                                                                 gwAPI.cacheUser.put(key, new Dated(new User(fp.code(),fp.body()),gwAPI.expireIn));
 113                                                                                 context.error(trans,resp,fp.code(),fp.body());
 114                                                                         }
 115                                                                         return null;
 116                                                                 }
 117                                                         });
 118                                                 } finally {
 119                                                         tt2.done();
 120                                                 }
 121                                         } else {
 122                                                 User u = (User)d.data.get(0);
 123                                                 resp.setStatus(u.code);
 124                                                 ServletOutputStream sos = resp.getOutputStream();
 125                                                 sos.print(u.resp);
 126                                         }
 127                                 } finally {
 128                                         tt.done();
 129                                 }
 130                         }
 131                 });
 132
 133
 134                 gwAPI.route(gwAPI.env,HttpMethods.GET,"/authn/basicAuth",new BasicAuthCode(gwAPI.aafAuthn,facade)
 135                                 ,"text/plain","*/*","*");
 136
 137                 /**
 138                  * Query User Has Perm
 139                  */
 140                 gwAPI.route(HttpMethods.GET,"/ask/:user/has/:type/:instance/:action",API.VOID,new LocateCode(facade,USER_HAS_PERM, true) {
 141                         @Override
 142                         public void handle(final AuthzTrans trans, final HttpServletRequest req, HttpServletResponse resp) throws Exception {
 143                                 try {
 144                                         resp.getOutputStream().print(
 145                                                         gwAPI.aafLurPerm.fish(new Principal() {
 146                                                                 public String getName() {
 147                                                                         return pathParam(req,":user");
 148                                                                 };
 149                                                         }, new AAFPermission(
 150                                                                 pathParam(req,":type"),
 151                                                                 pathParam(req,":instance"),
 152                                                                 pathParam(req,":action"))));
 153                                         resp.setStatus(HttpStatus.OK_200);
 154                                 } catch(Exception e) {
 155                                         context.error(trans, resp, Result.ERR_General, e.getMessage());
 156                                 }
 157                         }
 158                 });
 159
 160                 gwAPI.route(HttpMethods.GET,"/gui/:path*",API.VOID,new LocateCode(facade,"Short Access PROD GUI for AAF", true) {
 161                         @Override
 162                         public void handle(AuthzTrans trans, HttpServletRequest req, HttpServletResponse resp) throws Exception {
 163                                 try {
 164                                         redirect(trans, req, resp, context,
 165                                                         gwAPI.getGUILocator(),
 166                                                         "gui/"+pathParam(req,":path"));
 167                                 } catch (LocatorException e) {
 168                                         context.error(trans, resp, Result.ERR_BadData, e.getMessage());
 169                                 } catch (Exception e) {
 170                                         context.error(trans, resp, Result.ERR_General, e.getMessage());
 171                                 }
 172                         }
 173                 });
 174
 175                 gwAPI.route(HttpMethods.GET,"/aaf/:version/:path*",API.VOID,new LocateCode(facade,"Access PROD GUI for AAF", true) {
 176                         @Override
 177                         public void handle(AuthzTrans trans, HttpServletRequest req, HttpServletResponse resp) throws Exception {
 178                                 try {
 179                                         redirect(trans, req, resp, context,
 180                                                         gwAPI.getGUILocator(),
 181                                                         pathParam(req,":path"));
 182                                 } catch (LocatorException e) {
 183                                         context.error(trans, resp, Result.ERR_BadData, e.getMessage());
 184                                 } catch (Exception e) {
 185                                         context.error(trans, resp, Result.ERR_General, e.getMessage());
 186                                 }
 187                         }
 188                 });
 189         }
 190
 191         public static void initDefault(final AAF_Locate gwAPI, LocateFacade facade) throws Exception {
 192
 193                 /**
 194                  * "login" url
 195                  */
 196                 gwAPI.route(HttpMethods.GET,"/login",API.VOID,new LocateCode(facade,"Access Login GUI for AAF", true) {
 197                         @Override
 198                         public void handle(AuthzTrans trans, HttpServletRequest req, HttpServletResponse resp) throws Exception {
 199                                 try {
 200                                         redirect(trans, req, resp, context,
 201                                                         gwAPI.getGUILocator(),
 202                                                         "login");
 203                                 } catch (LocatorException e) {
 204                                         context.error(trans, resp, Result.ERR_BadData, e.getMessage());
 205                                 } catch (Exception e) {
 206                                         context.error(trans, resp, Result.ERR_General, e.getMessage());
 207                                 }
 208                         }
 209                 });
 210
 211
 212                 /**
 213                  * Default URL
 214                  */
 215                 gwAPI.route(HttpMethods.GET,"/",API.VOID,new LocateCode(facade,"Access GUI for AAF", true) {
 216                         @Override
 217                         public void handle(AuthzTrans trans, HttpServletRequest req, HttpServletResponse resp) throws Exception {
 218                                 try {
 219                                         redirect(trans, req, resp, context,
 220                                                         gwAPI.getGUILocator(),
 221                                                         "gui/home");
 222                                 } catch (Exception e) {
 223                                         context.error(trans, resp, Result.ERR_General, e.getMessage());
 224                                 }
 225                         }
 226                 });
 227
 228                 /**
 229                  * Configuration
 230                  */
 231                 gwAPI.route(HttpMethods.GET,"/configure/:id/:type",API.CONFIG,new LocateCode(facade,"Deliver Configuration Properties to AAF", true) {
 232                         @Override
 233                         public void handle(AuthzTrans trans, HttpServletRequest req, HttpServletResponse resp) throws Exception {
 234                                 try {
 235                                         Result<Void> r = facade.getConfig(trans, req, resp, pathParam(req, ":id"),pathParam(req,":type"));
 236                                         switch(r.status) {
 237                                                 case OK:
 238                                                         resp.setStatus(HttpStatus.OK_200);
 239                                                         break;
 240                                                 default:
 241                                                         context.error(trans,resp,r);
 242                                         }
 243
 244                                 } catch (Exception e) {
 245                                         context.error(trans, resp, Result.ERR_General, e.getMessage());
 246                                 }
 247                         }
 248                 });
 249         }
 250
 251         private static void redirect(AuthzTrans trans, HttpServletRequest req, HttpServletResponse resp, LocateFacade context, Locator<URI> loc, String path) throws IOException {
 252                 try {
 253                         if(loc.hasItems()) {
 254                                 Item item = loc.best();
 255                                 URI uri = loc.get(item);
 256                                 StringBuilder redirectURL = new StringBuilder(uri.toString());
 257                                 redirectURL.append('/');
 258                                 redirectURL.append(path);
 259                                 String str = req.getQueryString();
 260                                 if(str!=null) {
 261                                         redirectURL.append('?');
 262                                         redirectURL.append(str);
 263                                 }
 264                                 trans.info().log("Redirect to",redirectURL);
 265                                 resp.sendRedirect(redirectURL.toString());
 266                         } else {
 267                                 context.error(trans, resp, Result.err(Result.ERR_NotFound,"No Locations found for redirection"));
 268                         }
 269                 } catch (LocatorException e) {
 270                         context.error(trans, resp, Result.err(Result.ERR_NotFound,"No Endpoints found for %s",req.getPathInfo()));
 271                 }
 272         }
 273
 274         private static class User {
 275                 public final int code;
 276                 public final String resp;
 277
 278                 public User(int code, String resp) {
 279                         this.code = code;
 280                         this.resp = resp;
 281                 }
 282         }
 283 }