jcr/internal/CmsJcrDeployment.java

   1 package org.argeo.cms.jcr.internal;
   2
   3 import static org.argeo.cms.osgi.DataModelNamespace.CMS_DATA_MODEL_NAMESPACE;
   4 import static org.osgi.service.http.whiteboard.HttpWhiteboardConstants.HTTP_WHITEBOARD_SERVLET_INIT_PARAM_PREFIX;
   5
   6 import java.io.File;
   7 import java.io.IOException;
   8 import java.io.InputStreamReader;
   9 import java.io.Reader;
  10 import java.net.URL;
  11 import java.nio.file.Files;
  12 import java.nio.file.Path;
  13 import java.util.ArrayList;
  14 import java.util.Arrays;
  15 import java.util.Collection;
  16 import java.util.HashSet;
  17 import java.util.Hashtable;
  18 import java.util.Iterator;
  19 import java.util.List;
  20 import java.util.Map;
  21 import java.util.Set;
  22
  23 import javax.jcr.Repository;
  24 import javax.jcr.RepositoryException;
  25 import javax.jcr.Session;
  26 import javax.security.auth.callback.CallbackHandler;
  27 import javax.servlet.Servlet;
  28
  29 import org.apache.jackrabbit.commons.cnd.CndImporter;
  30 import org.apache.jackrabbit.core.RepositoryContext;
  31 import org.apache.jackrabbit.core.RepositoryImpl;
  32 import org.argeo.api.cms.CmsConstants;
  33 import org.argeo.api.cms.CmsDeployment;
  34 import org.argeo.api.cms.CmsLog;
  35 import org.argeo.cms.ArgeoNames;
  36 import org.argeo.cms.internal.jcr.JcrInitUtils;
  37 import org.argeo.cms.jcr.CmsJcrUtils;
  38 import org.argeo.cms.jcr.internal.servlet.CmsRemotingServlet;
  39 import org.argeo.cms.jcr.internal.servlet.CmsWebDavServlet;
  40 import org.argeo.cms.jcr.internal.servlet.JcrHttpUtils;
  41 import org.argeo.cms.osgi.DataModelNamespace;
  42 import org.argeo.cms.security.CryptoKeyring;
  43 import org.argeo.cms.security.Keyring;
  44 import org.argeo.jcr.Jcr;
  45 import org.argeo.jcr.JcrException;
  46 import org.argeo.jcr.JcrUtils;
  47 import org.argeo.util.LangUtils;
  48 import org.argeo.util.naming.LdapAttrs;
  49 import org.osgi.framework.Bundle;
  50 import org.osgi.framework.BundleContext;
  51 import org.osgi.framework.Constants;
  52 import org.osgi.framework.FrameworkUtil;
  53 import org.osgi.framework.InvalidSyntaxException;
  54 import org.osgi.framework.ServiceReference;
  55 import org.osgi.framework.wiring.BundleCapability;
  56 import org.osgi.framework.wiring.BundleWire;
  57 import org.osgi.framework.wiring.BundleWiring;
  58 import org.osgi.service.cm.ManagedService;
  59 import org.osgi.service.http.whiteboard.HttpWhiteboardConstants;
  60 import org.osgi.util.tracker.ServiceTracker;
  61
  62 /** Implementation of a CMS deployment. */
  63 public class CmsJcrDeployment {
  64         private final CmsLog log = CmsLog.getLog(getClass());
  65         private final BundleContext bc = FrameworkUtil.getBundle(getClass()).getBundleContext();
  66
  67         private DataModels dataModels;
  68         private String webDavConfig = JcrHttpUtils.WEBDAV_CONFIG;
  69
  70         private boolean argeoDataModelExtensionsAvailable = false;
  71
  72         // Readiness
  73         private boolean nodeAvailable = false;
  74
  75         CmsDeployment cmsDeployment;
  76
  77         public CmsJcrDeployment() {
  78 //              initTrackers();
  79         }
  80
  81         public void start() {
  82                 dataModels = new DataModels(bc);
  83
  84                 ServiceTracker<?, ?> repoContextSt = new RepositoryContextStc();
  85                 repoContextSt.open();
  86                 //KernelUtils.asyncOpen(repoContextSt);
  87
  88 //              nodeDeployment = CmsJcrActivator.getService(NodeDeployment.class);
  89
  90                 JcrInitUtils.addToDeployment(cmsDeployment);
  91
  92         }
  93
  94         public void stop() {
  95 //              if (nodeHttp != null)
  96 //                      nodeHttp.destroy();
  97
  98                 try {
  99                         for (ServiceReference<JackrabbitLocalRepository> sr : bc
 100                                         .getServiceReferences(JackrabbitLocalRepository.class, null)) {
 101                                 bc.getService(sr).destroy();
 102                         }
 103                 } catch (InvalidSyntaxException e1) {
 104                         log.error("Cannot clean repositories", e1);
 105                 }
 106
 107         }
 108
 109         public void setCmsDeployment(CmsDeployment cmsDeployment) {
 110                 this.cmsDeployment = cmsDeployment;
 111         }
 112
 113         /**
 114          * Checks whether the deployment is available according to expectations, and
 115          * mark it as available.
 116          */
 117 //      private synchronized void checkReadiness() {
 118 //              if (isAvailable())
 119 //                      return;
 120 //              if (nodeAvailable && userAdminAvailable && (httpExpected ? httpAvailable : true)) {
 121 //                      String data = KernelUtils.getFrameworkProp(KernelUtils.OSGI_INSTANCE_AREA);
 122 //                      String state = KernelUtils.getFrameworkProp(KernelUtils.OSGI_CONFIGURATION_AREA);
 123 //                      availableSince = System.currentTimeMillis();
 124 //                      long jvmUptime = ManagementFactory.getRuntimeMXBean().getUptime();
 125 //                      String jvmUptimeStr = " in " + (jvmUptime / 1000) + "." + (jvmUptime % 1000) + "s";
 126 //                      log.info("## ARGEO NODE AVAILABLE" + (log.isDebugEnabled() ? jvmUptimeStr : "") + " ##");
 127 //                      if (log.isDebugEnabled()) {
 128 //                              log.debug("## state: " + state);
 129 //                              if (data != null)
 130 //                                      log.debug("## data: " + data);
 131 //                      }
 132 //                      long begin = bc.getService(bc.getServiceReference(NodeState.class)).getAvailableSince();
 133 //                      long initDuration = System.currentTimeMillis() - begin;
 134 //                      if (log.isTraceEnabled())
 135 //                              log.trace("Kernel initialization took " + initDuration + "ms");
 136 //                      tributeToFreeSoftware(initDuration);
 137 //              }
 138 //      }
 139
 140         private void prepareNodeRepository(Repository deployedNodeRepository, List<String> publishAsLocalRepo) {
 141 //              if (availableSince != null) {
 142 //                      throw new IllegalStateException("Deployment is already available");
 143 //              }
 144
 145                 // home
 146                 prepareDataModel(CmsConstants.NODE_REPOSITORY, deployedNodeRepository, publishAsLocalRepo);
 147
 148                 // init from backup
 149 //              if (deployConfig.isFirstInit()) {
 150 //                      Path restorePath = Paths.get(System.getProperty("user.dir"), "restore");
 151 //                      if (Files.exists(restorePath)) {
 152 //                              if (log.isDebugEnabled())
 153 //                                      log.debug("Found backup " + restorePath + ", restoring it...");
 154 //                              LogicalRestore logicalRestore = new LogicalRestore(bc, deployedNodeRepository, restorePath);
 155 //                              KernelUtils.doAsDataAdmin(logicalRestore);
 156 //                              log.info("Restored backup from " + restorePath);
 157 //                      }
 158 //              }
 159
 160                 // init from repository
 161                 Collection<ServiceReference<Repository>> initRepositorySr;
 162                 try {
 163                         initRepositorySr = bc.getServiceReferences(Repository.class,
 164                                         "(" + CmsConstants.CN + "=" + CmsConstants.NODE_INIT + ")");
 165                 } catch (InvalidSyntaxException e1) {
 166                         throw new IllegalArgumentException(e1);
 167                 }
 168                 Iterator<ServiceReference<Repository>> it = initRepositorySr.iterator();
 169                 while (it.hasNext()) {
 170                         ServiceReference<Repository> sr = it.next();
 171                         Object labeledUri = sr.getProperties().get(LdapAttrs.labeledURI.name());
 172                         Repository initRepository = bc.getService(sr);
 173                         if (log.isDebugEnabled())
 174                                 log.debug("Found init repository " + labeledUri + ", copying it...");
 175                         initFromRepository(deployedNodeRepository, initRepository);
 176                         log.info("Node repository initialised from " + labeledUri);
 177                 }
 178         }
 179
 180         /** Init from a (typically remote) repository. */
 181         private void initFromRepository(Repository deployedNodeRepository, Repository initRepository) {
 182                 Session initSession = null;
 183                 try {
 184                         initSession = initRepository.login();
 185                         workspaces: for (String workspaceName : initSession.getWorkspace().getAccessibleWorkspaceNames()) {
 186                                 if ("security".equals(workspaceName))
 187                                         continue workspaces;
 188                                 if (log.isDebugEnabled())
 189                                         log.debug("Copying workspace " + workspaceName + " from init repository...");
 190                                 long begin = System.currentTimeMillis();
 191                                 Session targetSession = null;
 192                                 Session sourceSession = null;
 193                                 try {
 194                                         try {
 195                                                 targetSession = CmsJcrUtils.openDataAdminSession(deployedNodeRepository, workspaceName);
 196                                         } catch (IllegalArgumentException e) {// no such workspace
 197                                                 Session adminSession = CmsJcrUtils.openDataAdminSession(deployedNodeRepository, null);
 198                                                 try {
 199                                                         adminSession.getWorkspace().createWorkspace(workspaceName);
 200                                                 } finally {
 201                                                         Jcr.logout(adminSession);
 202                                                 }
 203                                                 targetSession = CmsJcrUtils.openDataAdminSession(deployedNodeRepository, workspaceName);
 204                                         }
 205                                         sourceSession = initRepository.login(workspaceName);
 206 //                                      JcrUtils.copyWorkspaceXml(sourceSession, targetSession);
 207                                         // TODO deal with referenceable nodes
 208                                         JcrUtils.copy(sourceSession.getRootNode(), targetSession.getRootNode());
 209                                         targetSession.save();
 210                                         long duration = System.currentTimeMillis() - begin;
 211                                         if (log.isDebugEnabled())
 212                                                 log.debug("Copied workspace " + workspaceName + " from init repository in " + (duration / 1000)
 213                                                                 + " s");
 214                                 } catch (Exception e) {
 215                                         log.error("Cannot copy workspace " + workspaceName + " from init repository.", e);
 216                                 } finally {
 217                                         Jcr.logout(sourceSession);
 218                                         Jcr.logout(targetSession);
 219                                 }
 220                         }
 221                 } catch (RepositoryException e) {
 222                         throw new JcrException(e);
 223                 } finally {
 224                         Jcr.logout(initSession);
 225                 }
 226         }
 227
 228         private void prepareHomeRepository(RepositoryImpl deployedRepository) {
 229                 Session adminSession = KernelUtils.openAdminSession(deployedRepository);
 230                 try {
 231                         argeoDataModelExtensionsAvailable = Arrays
 232                                         .asList(adminSession.getWorkspace().getNamespaceRegistry().getURIs())
 233                                         .contains(ArgeoNames.ARGEO_NAMESPACE);
 234                 } catch (RepositoryException e) {
 235                         log.warn("Cannot check whether Argeo namespace is registered assuming it isn't.", e);
 236                         argeoDataModelExtensionsAvailable = false;
 237                 } finally {
 238                         JcrUtils.logoutQuietly(adminSession);
 239                 }
 240
 241                 // Publish home with the highest service ranking
 242                 Hashtable<String, Object> regProps = new Hashtable<>();
 243                 regProps.put(CmsConstants.CN, CmsConstants.EGO_REPOSITORY);
 244                 regProps.put(Constants.SERVICE_RANKING, Integer.MAX_VALUE);
 245                 Repository egoRepository = new EgoRepository(deployedRepository, false);
 246                 bc.registerService(Repository.class, egoRepository, regProps);
 247                 registerRepositoryServlets(CmsConstants.EGO_REPOSITORY, egoRepository);
 248
 249                 // Keyring only if Argeo extensions are available
 250                 if (argeoDataModelExtensionsAvailable) {
 251                         new ServiceTracker<CallbackHandler, CallbackHandler>(bc, CallbackHandler.class, null) {
 252
 253                                 @Override
 254                                 public CallbackHandler addingService(ServiceReference<CallbackHandler> reference) {
 255                                         NodeKeyRing nodeKeyring = new NodeKeyRing(egoRepository);
 256                                         CallbackHandler callbackHandler = bc.getService(reference);
 257                                         nodeKeyring.setDefaultCallbackHandler(callbackHandler);
 258                                         bc.registerService(LangUtils.names(Keyring.class, CryptoKeyring.class, ManagedService.class),
 259                                                         nodeKeyring, LangUtils.dict(Constants.SERVICE_PID, CmsConstants.NODE_KEYRING_PID));
 260                                         return callbackHandler;
 261                                 }
 262
 263                         }.open();
 264                 }
 265         }
 266
 267         /** Session is logged out. */
 268         private void prepareDataModel(String cn, Repository repository, List<String> publishAsLocalRepo) {
 269                 Session adminSession = KernelUtils.openAdminSession(repository);
 270                 try {
 271                         Set<String> processed = new HashSet<String>();
 272                         bundles: for (Bundle bundle : bc.getBundles()) {
 273                                 BundleWiring wiring = bundle.adapt(BundleWiring.class);
 274                                 if (wiring == null)
 275                                         continue bundles;
 276                                 if (CmsConstants.NODE_REPOSITORY.equals(cn))// process all data models
 277                                         processWiring(cn, adminSession, wiring, processed, false, publishAsLocalRepo);
 278                                 else {
 279                                         List<BundleCapability> capabilities = wiring.getCapabilities(CMS_DATA_MODEL_NAMESPACE);
 280                                         for (BundleCapability capability : capabilities) {
 281                                                 String dataModelName = (String) capability.getAttributes().get(DataModelNamespace.NAME);
 282                                                 if (dataModelName.equals(cn))// process only own data model
 283                                                         processWiring(cn, adminSession, wiring, processed, false, publishAsLocalRepo);
 284                                         }
 285                                 }
 286                         }
 287                 } finally {
 288                         JcrUtils.logoutQuietly(adminSession);
 289                 }
 290         }
 291
 292         private void processWiring(String cn, Session adminSession, BundleWiring wiring, Set<String> processed,
 293                         boolean importListedAbstractModels, List<String> publishAsLocalRepo) {
 294                 // recursively process requirements first
 295                 List<BundleWire> requiredWires = wiring.getRequiredWires(CMS_DATA_MODEL_NAMESPACE);
 296                 for (BundleWire wire : requiredWires) {
 297                         processWiring(cn, adminSession, wire.getProviderWiring(), processed, true, publishAsLocalRepo);
 298                 }
 299
 300                 List<BundleCapability> capabilities = wiring.getCapabilities(CMS_DATA_MODEL_NAMESPACE);
 301                 capabilities: for (BundleCapability capability : capabilities) {
 302                         if (!importListedAbstractModels
 303                                         && KernelUtils.asBoolean((String) capability.getAttributes().get(DataModelNamespace.ABSTRACT))) {
 304                                 continue capabilities;
 305                         }
 306                         boolean publish = registerDataModelCapability(cn, adminSession, capability, processed);
 307                         if (publish)
 308                                 publishAsLocalRepo.add((String) capability.getAttributes().get(DataModelNamespace.NAME));
 309                 }
 310         }
 311
 312         private boolean registerDataModelCapability(String cn, Session adminSession, BundleCapability capability,
 313                         Set<String> processed) {
 314                 Map<String, Object> attrs = capability.getAttributes();
 315                 String name = (String) attrs.get(DataModelNamespace.NAME);
 316                 if (processed.contains(name)) {
 317                         if (log.isTraceEnabled())
 318                                 log.trace("Data model " + name + " has already been processed");
 319                         return false;
 320                 }
 321
 322                 // CND
 323                 String path = (String) attrs.get(DataModelNamespace.CND);
 324                 if (path != null) {
 325                         File dataModel = bc.getBundle().getDataFile("dataModels/" + path);
 326                         if (!dataModel.exists()) {
 327                                 URL url = capability.getRevision().getBundle().getResource(path);
 328                                 if (url == null)
 329                                         throw new IllegalArgumentException("No data model '" + name + "' found under path " + path);
 330                                 try (Reader reader = new InputStreamReader(url.openStream())) {
 331                                         CndImporter.registerNodeTypes(reader, adminSession, true);
 332                                         processed.add(name);
 333                                         dataModel.getParentFile().mkdirs();
 334                                         dataModel.createNewFile();
 335                                         if (log.isDebugEnabled())
 336                                                 log.debug("Registered CND " + url);
 337                                 } catch (Exception e) {
 338                                         log.error("Cannot import CND " + url, e);
 339                                 }
 340                         }
 341                 }
 342
 343                 if (KernelUtils.asBoolean((String) attrs.get(DataModelNamespace.ABSTRACT)))
 344                         return false;
 345                 // Non abstract
 346                 boolean isStandalone = isStandalone(name);
 347                 boolean publishLocalRepo;
 348                 if (isStandalone && name.equals(cn))// includes the node itself
 349                         publishLocalRepo = true;
 350                 else if (!isStandalone && cn.equals(CmsConstants.NODE_REPOSITORY))
 351                         publishLocalRepo = true;
 352                 else
 353                         publishLocalRepo = false;
 354
 355                 return publishLocalRepo;
 356         }
 357
 358         boolean isStandalone(String dataModelName) {
 359                 return cmsDeployment.getProps(CmsConstants.NODE_REPOS_FACTORY_PID, dataModelName) != null;
 360         }
 361
 362         private void publishLocalRepo(String dataModelName, Repository repository) {
 363                 Hashtable<String, Object> properties = new Hashtable<>();
 364                 properties.put(CmsConstants.CN, dataModelName);
 365                 LocalRepository localRepository;
 366                 String[] classes;
 367                 if (repository instanceof RepositoryImpl) {
 368                         localRepository = new JackrabbitLocalRepository((RepositoryImpl) repository, dataModelName);
 369                         classes = new String[] { Repository.class.getName(), LocalRepository.class.getName(),
 370                                         JackrabbitLocalRepository.class.getName() };
 371                 } else {
 372                         localRepository = new LocalRepository(repository, dataModelName);
 373                         classes = new String[] { Repository.class.getName(), LocalRepository.class.getName() };
 374                 }
 375                 bc.registerService(classes, localRepository, properties);
 376
 377                 // TODO make it configurable
 378                 registerRepositoryServlets(dataModelName, localRepository);
 379                 if (log.isTraceEnabled())
 380                         log.trace("Published data model " + dataModelName);
 381         }
 382
 383 //      @Override
 384 //      public synchronized Long getAvailableSince() {
 385 //              return availableSince;
 386 //      }
 387 //
 388 //      public synchronized boolean isAvailable() {
 389 //              return availableSince != null;
 390 //      }
 391
 392         protected void registerRepositoryServlets(String alias, Repository repository) {
 393                 // FIXME re-enable it with a proper class loader
 394 //              registerRemotingServlet(alias, repository);
 395 //              registerWebdavServlet(alias, repository);
 396         }
 397
 398         protected void registerWebdavServlet(String alias, Repository repository) {
 399                 CmsWebDavServlet webdavServlet = new CmsWebDavServlet(alias, repository);
 400                 Hashtable<String, String> ip = new Hashtable<>();
 401                 ip.put(HTTP_WHITEBOARD_SERVLET_INIT_PARAM_PREFIX + CmsWebDavServlet.INIT_PARAM_RESOURCE_CONFIG, webDavConfig);
 402                 ip.put(HTTP_WHITEBOARD_SERVLET_INIT_PARAM_PREFIX + CmsWebDavServlet.INIT_PARAM_RESOURCE_PATH_PREFIX,
 403                                 "/" + alias);
 404
 405                 ip.put(HttpWhiteboardConstants.HTTP_WHITEBOARD_SERVLET_PATTERN, "/" + alias + "/*");
 406                 ip.put(HttpWhiteboardConstants.HTTP_WHITEBOARD_CONTEXT_SELECT,
 407                                 "(" + HttpWhiteboardConstants.HTTP_WHITEBOARD_CONTEXT_PATH + "=" + CmsConstants.PATH_DATA + ")");
 408                 bc.registerService(Servlet.class, webdavServlet, ip);
 409         }
 410
 411         protected void registerRemotingServlet(String alias, Repository repository) {
 412                 CmsRemotingServlet remotingServlet = new CmsRemotingServlet(alias, repository);
 413                 Hashtable<String, String> ip = new Hashtable<>();
 414                 ip.put(CmsConstants.CN, alias);
 415                 // Properties ip = new Properties();
 416                 ip.put(HTTP_WHITEBOARD_SERVLET_INIT_PARAM_PREFIX + CmsRemotingServlet.INIT_PARAM_RESOURCE_PATH_PREFIX,
 417                                 "/" + alias);
 418                 ip.put(HTTP_WHITEBOARD_SERVLET_INIT_PARAM_PREFIX + CmsRemotingServlet.INIT_PARAM_AUTHENTICATE_HEADER,
 419                                 "Negotiate");
 420
 421                 // Looks like a bug in Jackrabbit remoting init
 422                 Path tmpDir;
 423                 try {
 424                         tmpDir = Files.createTempDirectory("remoting_" + alias);
 425                 } catch (IOException e) {
 426                         throw new RuntimeException("Cannot create temp directory for remoting servlet", e);
 427                 }
 428                 ip.put(HTTP_WHITEBOARD_SERVLET_INIT_PARAM_PREFIX + CmsRemotingServlet.INIT_PARAM_HOME, tmpDir.toString());
 429                 ip.put(HTTP_WHITEBOARD_SERVLET_INIT_PARAM_PREFIX + CmsRemotingServlet.INIT_PARAM_TMP_DIRECTORY,
 430                                 "remoting_" + alias);
 431                 ip.put(HTTP_WHITEBOARD_SERVLET_INIT_PARAM_PREFIX + CmsRemotingServlet.INIT_PARAM_PROTECTED_HANDLERS_CONFIG,
 432                                 JcrHttpUtils.DEFAULT_PROTECTED_HANDLERS);
 433                 ip.put(HTTP_WHITEBOARD_SERVLET_INIT_PARAM_PREFIX + CmsRemotingServlet.INIT_PARAM_CREATE_ABSOLUTE_URI, "false");
 434
 435                 ip.put(HttpWhiteboardConstants.HTTP_WHITEBOARD_SERVLET_PATTERN, "/" + alias + "/*");
 436                 ip.put(HttpWhiteboardConstants.HTTP_WHITEBOARD_CONTEXT_SELECT,
 437                                 "(" + HttpWhiteboardConstants.HTTP_WHITEBOARD_CONTEXT_PATH + "=" + CmsConstants.PATH_JCR + ")");
 438                 bc.registerService(Servlet.class, remotingServlet, ip);
 439         }
 440
 441         private class RepositoryContextStc extends ServiceTracker<RepositoryContext, RepositoryContext> {
 442
 443                 public RepositoryContextStc() {
 444                         super(bc, RepositoryContext.class, null);
 445                 }
 446
 447                 @Override
 448                 public RepositoryContext addingService(ServiceReference<RepositoryContext> reference) {
 449                         RepositoryContext repoContext = bc.getService(reference);
 450                         String cn = (String) reference.getProperty(CmsConstants.CN);
 451                         if (cn != null) {
 452                                 List<String> publishAsLocalRepo = new ArrayList<>();
 453                                 if (cn.equals(CmsConstants.NODE_REPOSITORY)) {
 454 //                                      JackrabbitDataModelMigration.clearRepositoryCaches(repoContext.getRepositoryConfig());
 455                                         prepareNodeRepository(repoContext.getRepository(), publishAsLocalRepo);
 456                                         // TODO separate home repository
 457                                         prepareHomeRepository(repoContext.getRepository());
 458                                         registerRepositoryServlets(cn, repoContext.getRepository());
 459                                         nodeAvailable = true;
 460 //                                      checkReadiness();
 461                                 } else {
 462                                         prepareDataModel(cn, repoContext.getRepository(), publishAsLocalRepo);
 463                                 }
 464                                 // Publish all at once, so that bundles with multiple CNDs are consistent
 465                                 for (String dataModelName : publishAsLocalRepo)
 466                                         publishLocalRepo(dataModelName, repoContext.getRepository());
 467                         }
 468                         return repoContext;
 469                 }
 470
 471                 @Override
 472                 public void modifiedService(ServiceReference<RepositoryContext> reference, RepositoryContext service) {
 473                 }
 474
 475                 @Override
 476                 public void removedService(ServiceReference<RepositoryContext> reference, RepositoryContext service) {
 477                 }
 478
 479         }
 480
 481 }