gerrit.onap Code Review - portal/sdk.git/blob

   1 /*
   2  * ============LICENSE_START==========================================
   3  * ONAP Portal SDK
   4  * ===================================================================
   5  * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
   6  * ===================================================================
   7  *
   8  * Unless otherwise specified, all software contained herein is licensed
   9  * under the Apache License, Version 2.0 (the "License");
  10  * you may not use this software except in compliance with the License.
  11  * You may obtain a copy of the License at
  12  *
  13  *             http://www.apache.org/licenses/LICENSE-2.0
  14  *
  15  * Unless required by applicable law or agreed to in writing, software
  16  * distributed under the License is distributed on an "AS IS" BASIS,
  17  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  18  * See the License for the specific language governing permissions and
  19  * limitations under the License.
  20  *
  21  * Unless otherwise specified, all documentation contained herein is licensed
  22  * under the Creative Commons License, Attribution 4.0 Intl. (the "License");
  23  * you may not use this documentation except in compliance with the License.
  24  * You may obtain a copy of the License at
  25  *
  26  *             https://creativecommons.org/licenses/by/4.0/
  27  *
  28  * Unless required by applicable law or agreed to in writing, documentation
  29  * distributed under the License is distributed on an "AS IS" BASIS,
  30  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  31  * See the License for the specific language governing permissions and
  32  * limitations under the License.
  33  *
  34  * ============LICENSE_END============================================
  35  *
  36  * ECOMP is a trademark and service mark of AT&T Intellectual Property.
  37  */
  38 package org.onap.portalsdk.core.onboarding.crossapi;
  39
  40 import java.io.BufferedReader;
  41 import java.io.IOException;
  42 import java.io.InputStream;
  43 import java.io.InputStreamReader;
  44 import java.io.PrintWriter;
  45 import java.io.StringWriter;
  46 import java.util.List;
  47 import java.util.Map;
  48
  49 import javax.servlet.ServletException;
  50 import javax.servlet.annotation.WebServlet;
  51 import javax.servlet.http.HttpServlet;
  52 import javax.servlet.http.HttpServletRequest;
  53 import javax.servlet.http.HttpServletResponse;
  54
  55 import org.apache.commons.logging.Log;
  56 import org.apache.commons.logging.LogFactory;
  57 import org.onap.portalsdk.core.onboarding.exception.PortalAPIException;
  58 import org.onap.portalsdk.core.onboarding.listener.PortalTimeoutHandler;
  59 import org.onap.portalsdk.core.onboarding.rest.RestWebServiceClient;
  60 import org.onap.portalsdk.core.onboarding.util.PortalApiConstants;
  61 import org.onap.portalsdk.core.onboarding.util.PortalApiProperties;
  62 import org.onap.portalsdk.core.restful.domain.EcompRole;
  63 import org.onap.portalsdk.core.restful.domain.EcompUser;
  64 import org.owasp.esapi.ESAPI;
  65
  66 import com.fasterxml.jackson.core.JsonProcessingException;
  67 import com.fasterxml.jackson.core.type.TypeReference;
  68 import com.fasterxml.jackson.databind.DeserializationFeature;
  69 import com.fasterxml.jackson.databind.ObjectMapper;
  70
  71 /**
  72  * This servlet performs the functions described below. It listens on a path
  73  * like "/api" (see {@link PortalApiConstants#API_PREFIX}). The servlet checks
  74  * for authorized access and rejects unauthorized requests.
  75  * <OL>
  76  * <LI>Proxies user (i.e., browser) requests for web analytics. The GET method
  77  * fetches javascript from the Portal and returns it. The POST method forwards
  78  * data sent by the browser on to Portal. These requests are checked for a valid
  79  * User UID in a header; these requests do NOT use the application
  80  * username-password header.</LI>
  81  * <LI>Responds to ECOMP Portal API requests to query and update user, role and
  82  * user-role information. The servlet proxies all requests on to a local Java
  83  * class that implements {@link IPortalRestAPIService}. These requests must have
  84  * the application username-password header.</LI>
  85  * </OL>
  86  * This servlet will not start if the required portal.properties file is not
  87  * found on the classpath.
  88  */
  89
  90 @WebServlet(urlPatterns = { PortalApiConstants.API_PREFIX + "/*" })
  91 public class PortalRestAPIProxy extends HttpServlet implements IPortalRestAPIService {
  92
  93         private static final long serialVersionUID = 1L;
  94
  95         private static final String APPLICATION_JSON = "application/json";
  96
  97         private static final Log logger = LogFactory.getLog(PortalRestAPIProxy.class);
  98
  99         /**
 100          * Mapper for JSON to object etc.
 101          */
 102         private final ObjectMapper mapper = new ObjectMapper();
 103
 104         /**
 105          * Client-supplied class that implements our interface.
 106          */
 107         private static IPortalRestAPIService portalRestApiServiceImpl;
 108         private static final String isAccessCentralized = PortalApiProperties
 109                         .getProperty(PortalApiConstants.ROLE_ACCESS_CENTRALIZED);
 110         private static final String errorMessage = "Access Management is not allowed for Centralized applications." ;
 111         private static final String isCentralized = "remote";
 112
 113
 114         public PortalRestAPIProxy() {
 115                 // Ensure that any additional fields sent by the Portal
 116                 // will be ignored when creating objects.
 117                 mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
 118         }
 119
 120         @Override
 121         public void init() throws ServletException {
 122                 String className = PortalApiProperties.getProperty(PortalApiConstants.PORTAL_API_IMPL_CLASS);
 123                 if (className == null)
 124                         throw new ServletException(
 125                                         "init: Failed to find class name property " + PortalApiConstants.PORTAL_API_IMPL_CLASS);
 126                 try {
 127                         logger.debug("init: creating instance of class " + className);
 128                         Class<?> implClass = Class.forName(className);
 129                         if (!isCentralized.equals(isAccessCentralized))
 130                                 portalRestApiServiceImpl = (IPortalRestAPIService) (implClass.getConstructor().newInstance());
 131                         else {
 132                                 portalRestApiServiceImpl = new PortalRestAPICentralServiceImpl();
 133                         }
 134                 } catch (Exception ex) {
 135                         throw new ServletException("init: Failed to find or instantiate class " + className, ex);
 136                 }
 137         }
 138
 139         @Override
 140         protected void doPost(HttpServletRequest request, HttpServletResponse response)
 141                         throws IOException, ServletException {
 142                 if (portalRestApiServiceImpl == null) {
 143                         // Should never happen due to checks in init()
 144                         logger.error("doPost: no service class instance");
 145                         response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
 146                         response.getWriter().write(buildJsonResponse(false, "Misconfigured - no instance of service class"));
 147                         return;
 148                 }
 149                 String requestUri = request.getRequestURI();
 150                 String responseJson = "";
 151                 String storeAnalyticsContextPath = "/storeAnalytics";
 152                 if (requestUri.endsWith(PortalApiConstants.API_PREFIX + storeAnalyticsContextPath)) {
 153                         String userId;
 154                         try {
 155                                 userId = getUserId(request);
 156                         } catch (PortalAPIException e) {
 157                                 logger.error("Issue with invoking getUserId implemenation !!! ", e);
 158                                 throw new ServletException(e);
 159                         }
 160                         if (userId == null || userId.length() == 0) {
 161                                 logger.debug("doPost: userId is null or empty");
 162                                 response.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
 163                                 responseJson = buildJsonResponse(false, "Not authorized for " + storeAnalyticsContextPath);
 164                         } else {
 165                                 // User ID obtained from request
 166                                 try {
 167                                         String credential = PortalApiProperties.getProperty(PortalApiConstants.UEB_APP_KEY);
 168                                         // for now lets also pass uebkey as user name and password
 169                                         String requestBody = readRequestBody(request);
 170                                         @SuppressWarnings("unchecked")
 171                                         Map<String, String> bodyMap = mapper.readValue(requestBody, Map.class);
 172                                         // add user ID
 173                                         bodyMap.put("userid", userId);
 174                                         requestBody = mapper.writeValueAsString(bodyMap);
 175                                         responseJson = RestWebServiceClient.getInstance().postPortalContent(storeAnalyticsContextPath,
 176                                                         userId, credential, null, credential, credential, "application/json", requestBody, true);
 177                                         logger.debug("doPost: postPortalContent returns " + responseJson);
 178                                         response.setStatus(HttpServletResponse.SC_OK);
 179                                 } catch (Exception ex) {
 180                                         logger.error("doPost: " + storeAnalyticsContextPath + " caught exception", ex);
 181                                         responseJson = buildJsonResponse(ex);
 182                                         response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
 183                                 }
 184                         }
 185                         writeAndFlush(response, APPLICATION_JSON, responseJson);
 186                         return;
 187                 } // post analytics
 188
 189                 boolean secure = false;
 190                 try {
 191                         secure = isAppAuthenticated(request);
 192                 } catch (PortalAPIException ex) {
 193                         logger.error("doPost: isAppAuthenticated threw exception", ex);
 194                         response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
 195                         response.getWriter().write(buildJsonResponse(false, "Failed to authenticate request"));
 196                         return;
 197                 }
 198                 if (!secure) {
 199                         logger.debug("doPost: isAppAuthenticated answered false");
 200                         response.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
 201                         writeAndFlush(response, APPLICATION_JSON, buildJsonResponse(false, "Not authorized"));
 202                         return;
 203                 }
 204
 205                 try {
 206                         String requestBody = readRequestBody(request);
 207                         if (logger.isDebugEnabled())
 208                                 logger.debug("doPost: URI =  " + requestUri + ", payload = " + requestBody);
 209
 210                         /*
 211                          * All APIs:
 212                          *
 213                          * 1. /user <-- save user
 214                          *
 215                          * 2. /user/{loginId} <-- edit user
 216                          *
 217                          * 3. /user/{loginId}/roles <-- save roles for user
 218                          */
 219
 220                         // On success return the empty string.
 221
 222                         if (requestUri.endsWith("/updateSessionTimeOuts")) {
 223                                 if (updateSessionTimeOuts(requestBody)) {
 224                                         logger.debug("doPost: updated session timeouts");
 225                                         response.setStatus(HttpServletResponse.SC_OK);
 226                                 } else {
 227                                         String msg = "Failed to update session time outs";
 228                                         logger.error("doPost: " + msg);
 229                                         responseJson = buildJsonResponse(false, msg);
 230                                         response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
 231                                 }
 232                         } else if (requestUri.endsWith("/timeoutSession")) {
 233                                 String portalJSessionId = request.getParameter("portalJSessionId");
 234                                 if (portalJSessionId == null) {
 235                                         portalJSessionId = "";
 236                                 }
 237                                 if (timeoutSession(portalJSessionId)) {
 238                                         logger.debug("doPost: timed out session");
 239                                         response.setStatus(HttpServletResponse.SC_OK);
 240                                 } else {
 241                                         String msg = "Failed to timeout session";
 242                                         logger.error("doPost: " + msg);
 243                                         responseJson = buildJsonResponse(false, msg);
 244                                         response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
 245                                 }
 246                         } else
 247                         // Example: /user <-- create user
 248                         if (requestUri.endsWith(PortalApiConstants.API_PREFIX + "/user")) {
 249                                 try {
 250                                         EcompUser user = mapper.readValue(requestBody, EcompUser.class);
 251                                         pushUser(user);
 252                                         if (logger.isDebugEnabled())
 253                                                 logger.debug("doPost: pushUser: success");
 254                                         responseJson = buildJsonResponse(true, null);
 255                                         response.setStatus(HttpServletResponse.SC_OK);
 256                                 } catch (Exception ex) {
 257                                         responseJson = buildJsonResponse(ex);
 258                                         response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
 259                                         logger.error("doPost: pushUser: caught exception", ex);
 260                                 }
 261                         } else
 262                         // Example: /user/abc <-- edit user abc
 263                         if (requestUri.contains(PortalApiConstants.API_PREFIX + "/user/") && !(requestUri.endsWith("/roles"))) {
 264                                 String loginId = requestUri.substring(requestUri.lastIndexOf('/') + 1);
 265                                 try {
 266                                         EcompUser user = mapper.readValue(requestBody, EcompUser.class);
 267                                         editUser(loginId, user);
 268                                         if (logger.isDebugEnabled())
 269                                                 logger.debug("doPost: editUser: success");
 270                                         responseJson = buildJsonResponse(true, null);
 271                                         response.setStatus(HttpServletResponse.SC_OK);
 272                                 } catch (Exception ex) {
 273                                         responseJson = buildJsonResponse(ex);
 274                                         response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
 275                                         logger.error("doPost: editUser: caught exception", ex);
 276                                 }
 277                         } else
 278                         // Example: /user/{loginId}/roles <-- save roles for user
 279                         if (requestUri.contains(PortalApiConstants.API_PREFIX + "/user/") && requestUri.endsWith("/roles")) {
 280                                 String loginId = requestUri.substring(requestUri.indexOf("/user/") + ("/user").length() + 1,
 281                                                 requestUri.lastIndexOf('/'));
 282                                 try {
 283                                         if (isCentralized.equals(isAccessCentralized)) {
 284                                                 responseJson = buildJsonResponse(true, errorMessage);
 285                                                 response.setStatus(HttpServletResponse.SC_OK);
 286                                         } else {
 287                                                 TypeReference<List<EcompRole>> typeRef = new TypeReference<List<EcompRole>>() {
 288                                                 };
 289                                                 List<EcompRole> roles = mapper.readValue(requestBody, typeRef);
 290                                                 pushUserRole(loginId, roles);
 291                                                 if (logger.isDebugEnabled())
 292                                                         logger.debug("doPost: pushUserRole: success");
 293                                                 responseJson = buildJsonResponse(true, null);
 294                                                 response.setStatus(HttpServletResponse.SC_OK);
 295                                         }
 296                                 } catch (Exception ex) {
 297                                         responseJson = buildJsonResponse(ex);
 298                                         response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
 299                                         logger.error("doPost: pushUserRole: caught exception", ex);
 300                                 }
 301                         } else {
 302                                 String msg = "doPost: no match for request " + requestUri;
 303                                 logger.warn( ESAPI.encoder().encodeForHTML(msg));
 304                                 responseJson = buildJsonResponse(false, msg);
 305                                 response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
 306                         }
 307                 } catch (Exception ex) {
 308                         logger.error("doPost: Failed to process request " + ESAPI.encoder().encodeForHTML(requestUri), ex);
 309                         response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
 310                         responseJson = buildJsonResponse(ex);
 311                 }
 312
 313                 writeAndFlush(response, APPLICATION_JSON, responseJson);
 314
 315         }
 316
 317         @Override
 318         protected void doGet(HttpServletRequest request, HttpServletResponse response)
 319                         throws IOException, ServletException {
 320
 321                 if (portalRestApiServiceImpl == null) {
 322                         // Should never happen due to checks in init()
 323                         logger.error("doGet: no service class instance");
 324                         response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
 325                         writeAndFlush(response, APPLICATION_JSON,
 326                                         buildJsonResponse(false, "Misconfigured - no instance of service class"));
 327                         return;
 328                 }
 329
 330                 String requestUri = request.getRequestURI();
 331                 String contentType = APPLICATION_JSON;
 332                 String webAnalyticsContextPath = "/analytics";
 333                 if (requestUri.endsWith(PortalApiConstants.API_PREFIX + webAnalyticsContextPath)) {
 334                         String responseString;
 335                         String userId;
 336                         try {
 337                                 userId = getUserId(request);
 338                         } catch (PortalAPIException e) {
 339                                 logger.error("Issue with invoking getUserId implemenation !!! ", e);
 340                                 throw new ServletException(e);
 341                         }
 342                         if (userId == null || userId.length() == 0) {
 343                                 logger.debug("doGet: userId is null or empty");
 344                                 response.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
 345                                 responseString = buildJsonResponse(false, "Not authorized for " + webAnalyticsContextPath);
 346                         } else {
 347                                 // User ID obtained from request
 348                                 try {
 349                                         String credential = PortalApiProperties.getProperty(PortalApiConstants.UEB_APP_KEY);
 350                                         // for now lets also pass uebkey as user name and password
 351                                         contentType = "text/javascript";
 352
 353                                         responseString = RestWebServiceClient.getInstance().getPortalContent(webAnalyticsContextPath,
 354                                                         userId, credential, null, credential, credential, true);
 355                                         if (logger.isDebugEnabled())
 356                                                 logger.debug("doGet: " + webAnalyticsContextPath + ": " + responseString);
 357                                         response.setStatus(HttpServletResponse.SC_OK);
 358                                 } catch (Exception ex) {
 359                                         responseString = buildJsonResponse(ex);
 360                                         response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
 361                                         logger.error("doGet: " + webAnalyticsContextPath + " caught exception", ex);
 362                                 }
 363                         }
 364                         writeAndFlush(response, contentType, responseString);
 365                         return;
 366                 }
 367
 368                 boolean secure = false;
 369                 try {
 370                         secure = isAppAuthenticated(request);
 371                 } catch (PortalAPIException ex) {
 372                         logger.error("doGet: isAppAuthenticated threw exception", ex);
 373                         response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
 374                         writeAndFlush(response, APPLICATION_JSON, buildJsonResponse(false, "Failed to authenticate request"));
 375                         return;
 376                 }
 377
 378                 if (!secure) {
 379                         if (logger.isDebugEnabled())
 380                                 logger.debug("doGet: isAppAuthenticated answered false");
 381                         response.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
 382                         writeAndFlush(response, APPLICATION_JSON, buildJsonResponse(false, "Not authorized"));
 383                         return;
 384                 }
 385
 386                 String responseJson = null;
 387                 try {
 388                         // Ignore any request body in a GET.
 389                         logger.debug("doGet: URI =  " + requestUri);
 390
 391                         /*
 392                          * 1. /roles <-- get roles
 393                          *
 394                          * 2. /user/{loginId} <-- get user
 395                          *
 396                          * 3. /users <-- get all users
 397                          *
 398                          * 4. /user/{loginId}/roles <-- get roles for user
 399                          */
 400
 401                         if (requestUri.endsWith("/sessionTimeOuts")) {
 402                                 try  {
 403                                         responseJson = getSessionTimeOuts();
 404                                         logger.debug("doGet: got session timeouts");
 405                                         response.setStatus(HttpServletResponse.SC_OK);
 406                                 } catch(Exception ex) {
 407                                         String msg = "Failed to get session time outs";
 408                                         logger.error("doGet: " + msg);
 409                                         responseJson = buildJsonResponse(false, msg);
 410                                         response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
 411                                 }
 412                         } else
 413                         // Example: /users <-- get all users
 414                         if (requestUri.endsWith(PortalApiConstants.API_PREFIX + "/users")) {
 415                                 try {
 416                                         List<EcompUser> users = getUsers();
 417                                         responseJson = mapper.writeValueAsString(users);
 418                                         if (logger.isDebugEnabled())
 419                                                 logger.debug("doGet: getUsers: " + responseJson);
 420                                 } catch (Exception ex) {
 421                                         responseJson = buildShortJsonResponse(ex);
 422                                         response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
 423                                         logger.error("doGet: getUsers: caught exception", ex);
 424                                 }
 425                         } else
 426                         // Example: /roles <-- get all roles
 427
 428                         if (requestUri.endsWith(PortalApiConstants.API_PREFIX + "/roles")) {
 429                                 try {
 430                                         List<EcompRole> roles = getAvailableRoles(getUserId(request));
 431                                         responseJson = mapper.writeValueAsString(roles);
 432                                         if (logger.isDebugEnabled())
 433                                                 logger.debug("doGet: getAvailableRoles: " + responseJson);
 434                                 } catch (Exception ex) {
 435                                         responseJson = buildJsonResponse(ex);
 436                                         response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
 437                                         logger.error("doGet: getAvailableRoles: caught exception", ex);
 438                                 }
 439                         } else
 440                         // Example: /user/abc <-- get user abc
 441                         if (requestUri.contains(PortalApiConstants.API_PREFIX + "/user/") && !requestUri.endsWith("/roles")) {
 442                                 String loginId = requestUri.substring(requestUri.lastIndexOf('/') + 1);
 443                                 try {
 444                                         EcompUser user = getUser(loginId);
 445                                         responseJson = mapper.writeValueAsString(user);
 446                                         if (logger.isDebugEnabled())
 447                                                 logger.debug("doGet: getUser: " + responseJson);
 448                                 } catch (Exception ex) {
 449                                         responseJson = buildJsonResponse(ex);
 450                                         response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
 451                                         logger.error("doGet: getUser: caught exception", ex);
 452                                 }
 453                         }
 454                         // Example: /user/abc/roles <-- get roles for user abc
 455                         else if (requestUri.contains(PortalApiConstants.API_PREFIX + "/user/") && requestUri.endsWith("/roles")) {
 456                                 String loginId = requestUri.substring(requestUri.indexOf("/user/") + ("/user").length() + 1,
 457                                                 requestUri.lastIndexOf('/'));
 458                                 try {
 459                                         List<EcompRole> roles = getUserRoles(loginId);
 460                                         responseJson = mapper.writeValueAsString(roles);
 461                                         if (logger.isDebugEnabled())
 462                                                 logger.debug("doGet: getUserRoles: " + responseJson);
 463                                 } catch (Exception ex) {
 464                                         responseJson = buildJsonResponse(ex);
 465                                         response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
 466                                         logger.error("doGet: getUserRoles: caught exception", ex);
 467                                 }
 468                         } else {
 469                                 logger.warn("doGet: no match found for request");
 470                                 responseJson = buildJsonResponse(false, "No match for request");
 471                                 response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
 472                         }
 473                 } catch (Exception ex) {
 474                         logger.error("doGet: Failed to process request", ex);
 475                         response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
 476                         responseJson = buildJsonResponse(ex);
 477                 }
 478                 writeAndFlush(response, APPLICATION_JSON, responseJson);
 479         }
 480
 481         public String getSessionTimeOuts() {
 482                 return PortalTimeoutHandler.gatherSessionExtensions();
 483         }
 484
 485         public boolean timeoutSession(String portalJSessionId) {
 486                 return PortalTimeoutHandler.invalidateSession(portalJSessionId);
 487         }
 488
 489         public boolean updateSessionTimeOuts(String sessionMap) {
 490                 return PortalTimeoutHandler.updateSessionExtensions(sessionMap);
 491         }
 492
 493         @Override
 494         public void pushUser(EcompUser user) throws PortalAPIException {
 495                 portalRestApiServiceImpl.pushUser(user);
 496         }
 497
 498         @Override
 499         public void editUser(String loginId, EcompUser user) throws PortalAPIException {
 500                 portalRestApiServiceImpl.editUser(loginId, user);
 501         }
 502
 503         @Override
 504         public EcompUser getUser(String loginId) throws PortalAPIException {
 505                 return portalRestApiServiceImpl.getUser(loginId);
 506         }
 507
 508         @Override
 509         public List<EcompUser> getUsers() throws PortalAPIException {
 510                 return portalRestApiServiceImpl.getUsers();
 511         }
 512
 513         @Override
 514         public List<EcompRole> getAvailableRoles(String requestedLoginId) throws PortalAPIException {
 515                 return portalRestApiServiceImpl.getAvailableRoles(requestedLoginId);
 516         }
 517
 518         @Override
 519         public void pushUserRole(String loginId, List<EcompRole> roles) throws PortalAPIException {
 520                 portalRestApiServiceImpl.pushUserRole(loginId, roles);
 521         }
 522
 523         @Override
 524         public List<EcompRole> getUserRoles(String loginId) throws PortalAPIException {
 525                 return portalRestApiServiceImpl.getUserRoles(loginId);
 526         }
 527
 528         @Override
 529         public boolean isAppAuthenticated(HttpServletRequest request) throws PortalAPIException {
 530                 return portalRestApiServiceImpl.isAppAuthenticated(request);
 531         }
 532
 533         /**
 534          * Sets the content type and writes the response.
 535          *
 536          * @param response
 537          * @param contentType
 538          * @param responseBody
 539          * @throws IOException
 540          */
 541         private void writeAndFlush(HttpServletResponse response, String contentType, String responseBody)
 542                         throws IOException {
 543                 response.setContentType(contentType);
 544                 PrintWriter out = response.getWriter();
 545                 out.print(responseBody);
 546                 out.flush();
 547         }
 548
 549         /**
 550          * Reads the request body and closes the input stream.
 551          *
 552          * @param request
 553          * @return String read from the request, the empty string if nothing is read.
 554          * @throws IOException
 555          */
 556         private static String readRequestBody(HttpServletRequest request) throws IOException {
 557
 558                 String body = null;
 559                 StringBuilder stringBuilder = new StringBuilder();
 560                 BufferedReader bufferedReader = null;
 561                 try {
 562                         InputStream inputStream = request.getInputStream();
 563                         if (inputStream != null) {
 564                                 bufferedReader = new BufferedReader(new InputStreamReader(inputStream));
 565                                 char[] charBuffer = new char[1024];
 566                                 int bytesRead = -1;
 567                                 while ((bytesRead = bufferedReader.read(charBuffer)) > 0) {
 568                                         stringBuilder.append(charBuffer, 0, bytesRead);
 569                                 }
 570                         } else {
 571                                 stringBuilder.append("");
 572                         }
 573                 } finally {
 574                         if (bufferedReader != null) {
 575                                 try {
 576                                         bufferedReader.close();
 577                                 } catch (IOException ex) {
 578                                         logger.error("readRequestBody", ex);
 579                                 }
 580                         }
 581                 }
 582                 body = stringBuilder.toString();
 583                 return body;
 584         }
 585
 586         /**
 587          * Builds JSON object with status + message response body.
 588          *
 589          * @param success
 590          *            True to indicate success, false to signal failure.
 591          * @param msg
 592          *            Message to include in the response object; ignored if null.
 593          * @return
 594          *
 595          *         <pre>
 596          * { "status" : "ok" (or "error"), "message": "some explanation" }
 597          *         </pre>
 598          */
 599         private String buildJsonResponse(boolean success, String msg) {
 600                 PortalAPIResponse response = new PortalAPIResponse(success, msg);
 601                 String json = null;
 602                 try {
 603                         json = mapper.writeValueAsString(response);
 604                 } catch (JsonProcessingException ex) {
 605                         // Truly should never, ever happen
 606                         logger.error("buildJsonResponse", ex);
 607                         json = "{ \"status\": \"error\",\"message\":\"" + ex.toString() + "\" }";
 608                 }
 609                 return json;
 610         }
 611
 612         /**
 613          * Builds JSON object with status of error and message containing stack trace
 614          * for the specified throwable.
 615          *
 616          * @param t
 617          *            Throwable with stack trace to use as message
 618          *
 619          * @return
 620          *
 621          *         <pre>
 622          * { "status" : "error", "message": "some-big-stacktrace" }
 623          *         </pre>
 624          */
 625         private String buildJsonResponse(Throwable t) {
 626                 StringWriter sw = new StringWriter();
 627                 PrintWriter pw = new PrintWriter(sw);
 628                 t.printStackTrace(pw);
 629                 return buildJsonResponse(false, sw.toString());
 630         }
 631
 632         private String buildShortJsonResponse(Throwable t)
 633         {
 634                 String errorMessage = t.getMessage();
 635                 return buildJsonResponse(false, errorMessage);
 636         }
 637
 638         @Override
 639         public String getUserId(HttpServletRequest request) throws PortalAPIException {
 640                 return portalRestApiServiceImpl.getUserId(request);
 641         }
 642
 643         public static IPortalRestAPIService getPortalRestApiServiceImpl() {
 644                 return portalRestApiServiceImpl;
 645         }
 646
 647         public static void setPortalRestApiServiceImpl(IPortalRestAPIService portalRestApiServiceImpl) {
 648                 PortalRestAPIProxy.portalRestApiServiceImpl = portalRestApiServiceImpl;
 649         }
 650
 651 }