source.dussan.org Git - archiva.git/blob

   1 package org.apache.archiva.webdav;
   2
   3 /*
   4  * Licensed to the Apache Software Foundation (ASF) under one
   5  * or more contributor license agreements.  See the NOTICE file
   6  * distributed with this work for additional information
   7  * regarding copyright ownership.  The ASF licenses this file
   8  * to you under the Apache License, Version 2.0 (the
   9  * "License"); you may not use this file except in compliance
  10  * with the License.  You may obtain a copy of the License at
  11  *
  12  *  http://www.apache.org/licenses/LICENSE-2.0
  13  *
  14  * Unless required by applicable law or agreed to in writing,
  15  * software distributed under the License is distributed on an
  16  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  17  * KIND, either express or implied.  See the License for the
  18  * specific language governing permissions and limitations
  19  * under the License.
  20  */
  21
  22 import org.apache.archiva.admin.model.RepositoryAdminException;
  23 import org.apache.archiva.admin.model.beans.ManagedRepository;
  24 import org.apache.archiva.admin.model.beans.RemoteRepository;
  25 import org.apache.archiva.admin.model.managed.ManagedRepositoryAdmin;
  26 import org.apache.archiva.admin.model.remote.RemoteRepositoryAdmin;
  27 import org.apache.archiva.audit.AuditEvent;
  28 import org.apache.archiva.audit.AuditListener;
  29 import org.apache.archiva.audit.Auditable;
  30 import org.apache.archiva.common.plexusbridge.PlexusSisuBridge;
  31 import org.apache.archiva.common.plexusbridge.PlexusSisuBridgeException;
  32 import org.apache.archiva.common.utils.PathUtil;
  33 import org.apache.archiva.common.utils.VersionUtil;
  34 import org.apache.archiva.configuration.ArchivaConfiguration;
  35 import org.apache.archiva.configuration.RepositoryGroupConfiguration;
  36 import org.apache.archiva.indexer.merger.IndexMerger;
  37 import org.apache.archiva.indexer.merger.IndexMergerException;
  38 import org.apache.archiva.indexer.merger.IndexMergerRequest;
  39 import org.apache.archiva.indexer.merger.TemporaryGroupIndex;
  40 import org.apache.archiva.indexer.search.RepositorySearch;
  41 import org.apache.archiva.maven2.metadata.MavenMetadataReader;
  42 import org.apache.archiva.metadata.repository.storage.RepositoryStorage;
  43 import org.apache.archiva.model.ArchivaRepositoryMetadata;
  44 import org.apache.archiva.model.ArtifactReference;
  45 import org.apache.archiva.policies.ProxyDownloadException;
  46 import org.apache.archiva.proxy.model.RepositoryProxyConnectors;
  47 import org.apache.archiva.redback.authentication.AuthenticationException;
  48 import org.apache.archiva.redback.authentication.AuthenticationResult;
  49 import org.apache.archiva.redback.authorization.AuthorizationException;
  50 import org.apache.archiva.redback.authorization.UnauthorizedException;
  51 import org.apache.archiva.redback.integration.filter.authentication.HttpAuthenticator;
  52 import org.apache.archiva.redback.policy.AccountLockedException;
  53 import org.apache.archiva.redback.policy.MustChangePasswordException;
  54 import org.apache.archiva.redback.system.SecuritySession;
  55 import org.apache.archiva.redback.users.User;
  56 import org.apache.archiva.redback.users.UserManager;
  57 import org.apache.archiva.repository.ManagedRepositoryContent;
  58 import org.apache.archiva.repository.RepositoryContentFactory;
  59 import org.apache.archiva.repository.RepositoryException;
  60 import org.apache.archiva.repository.RepositoryNotFoundException;
  61 import org.apache.archiva.repository.content.legacy.LegacyPathParser;
  62 import org.apache.archiva.repository.content.maven2.RepositoryRequest;
  63 import org.apache.archiva.repository.layout.LayoutException;
  64 import org.apache.archiva.repository.metadata.MetadataTools;
  65 import org.apache.archiva.repository.metadata.RepositoryMetadataException;
  66 import org.apache.archiva.repository.metadata.RepositoryMetadataMerge;
  67 import org.apache.archiva.repository.metadata.RepositoryMetadataWriter;
  68 import org.apache.archiva.scheduler.repository.model.RepositoryArchivaTaskScheduler;
  69 import org.apache.archiva.security.ServletAuthenticator;
  70 import org.apache.archiva.webdav.util.MimeTypes;
  71 import org.apache.archiva.webdav.util.RepositoryPathUtil;
  72 import org.apache.archiva.webdav.util.TemporaryGroupIndexSessionCleaner;
  73 import org.apache.archiva.webdav.util.WebdavMethodUtil;
  74 import org.apache.archiva.xml.XMLException;
  75 import org.apache.commons.io.FileUtils;
  76 import org.apache.commons.io.FilenameUtils;
  77 import org.apache.commons.lang.StringUtils;
  78 import org.apache.commons.lang.SystemUtils;
  79 import org.apache.jackrabbit.webdav.DavException;
  80 import org.apache.jackrabbit.webdav.DavResource;
  81 import org.apache.jackrabbit.webdav.DavResourceFactory;
  82 import org.apache.jackrabbit.webdav.DavResourceLocator;
  83 import org.apache.jackrabbit.webdav.DavServletRequest;
  84 import org.apache.jackrabbit.webdav.DavServletResponse;
  85 import org.apache.jackrabbit.webdav.DavSession;
  86 import org.apache.jackrabbit.webdav.lock.LockManager;
  87 import org.apache.jackrabbit.webdav.lock.SimpleLockManager;
  88 import org.apache.maven.index.context.IndexingContext;
  89 import org.codehaus.plexus.digest.ChecksumFile;
  90 import org.codehaus.plexus.digest.Digester;
  91 import org.codehaus.plexus.digest.DigesterException;
  92 import org.slf4j.Logger;
  93 import org.slf4j.LoggerFactory;
  94 import org.slf4j.MarkerFactory;
  95 import org.springframework.context.ApplicationContext;
  96 import org.springframework.stereotype.Service;
  97
  98 import javax.annotation.PostConstruct;
  99 import javax.inject.Inject;
 100 import javax.inject.Named;
 101 import javax.servlet.http.HttpServletResponse;
 102 import javax.servlet.http.HttpSession;
 103 import java.io.File;
 104 import java.io.IOException;
 105 import java.util.ArrayList;
 106 import java.util.Date;
 107 import java.util.HashMap;
 108 import java.util.HashSet;
 109 import java.util.List;
 110 import java.util.Map;
 111 import java.util.Set;
 112
 113 /**
 114  *
 115  */
 116 @Service( "davResourceFactory#archiva" )
 117 public class ArchivaDavResourceFactory
 118     implements DavResourceFactory, Auditable
 119 {
 120     private static final String PROXIED_SUFFIX = " (proxied)";
 121
 122     private static final String HTTP_PUT_METHOD = "PUT";
 123
 124     private Logger log = LoggerFactory.getLogger( ArchivaDavResourceFactory.class );
 125
 126     @Inject
 127     private List<AuditListener> auditListeners = new ArrayList<AuditListener>();
 128
 129     @Inject
 130     private RepositoryContentFactory repositoryFactory;
 131
 132     private RepositoryRequest repositoryRequest;
 133
 134     @Inject
 135     @Named( value = "repositoryProxyConnectors#default" )
 136     private RepositoryProxyConnectors connectors;
 137
 138     @Inject
 139     private MetadataTools metadataTools;
 140
 141     @Inject
 142     private MimeTypes mimeTypes;
 143
 144     private ArchivaConfiguration archivaConfiguration;
 145
 146     @Inject
 147     private ServletAuthenticator servletAuth;
 148
 149     @Inject
 150     @Named( value = "httpAuthenticator#basic" )
 151     private HttpAuthenticator httpAuth;
 152
 153     @Inject
 154     private RemoteRepositoryAdmin remoteRepositoryAdmin;
 155
 156     @Inject
 157     private ManagedRepositoryAdmin managedRepositoryAdmin;
 158
 159     @Inject
 160     private IndexMerger indexMerger;
 161
 162     @Inject
 163     private RepositorySearch repositorySearch;
 164
 165     /**
 166      * Lock Manager - use simple implementation from JackRabbit
 167      */
 168     private final LockManager lockManager = new SimpleLockManager();
 169
 170     private ChecksumFile checksum;
 171
 172     private Digester digestSha1;
 173
 174     private Digester digestMd5;
 175
 176     @Inject
 177     @Named( value = "archivaTaskScheduler#repository" )
 178     private RepositoryArchivaTaskScheduler scheduler;
 179
 180     private ApplicationContext applicationContext;
 181
 182     @Inject
 183     public ArchivaDavResourceFactory( ApplicationContext applicationContext, PlexusSisuBridge plexusSisuBridge,
 184                                       ArchivaConfiguration archivaConfiguration )
 185         throws PlexusSisuBridgeException
 186     {
 187         this.archivaConfiguration = archivaConfiguration;
 188         this.applicationContext = applicationContext;
 189         this.checksum = plexusSisuBridge.lookup( ChecksumFile.class );
 190
 191         this.digestMd5 = plexusSisuBridge.lookup( Digester.class, "md5" );
 192         this.digestSha1 = plexusSisuBridge.lookup( Digester.class, "sha1" );
 193
 194         // TODO remove this hard dependency on maven !!
 195         repositoryRequest = new RepositoryRequest( new LegacyPathParser( archivaConfiguration ) );
 196     }
 197
 198     @PostConstruct
 199     public void initialize()
 200     {
 201         // no op
 202     }
 203
 204     public DavResource createResource( final DavResourceLocator locator, final DavServletRequest request,
 205                                        final DavServletResponse response )
 206         throws DavException
 207     {
 208         ArchivaDavResourceLocator archivaLocator = checkLocatorIsInstanceOfRepositoryLocator( locator );
 209
 210         RepositoryGroupConfiguration repoGroupConfig =
 211             archivaConfiguration.getConfiguration().getRepositoryGroupsAsMap().get( archivaLocator.getRepositoryId() );
 212
 213         String activePrincipal = getActivePrincipal( request );
 214
 215         List<String> resourcesInAbsolutePath = new ArrayList<String>();
 216
 217         boolean readMethod = WebdavMethodUtil.isReadMethod( request.getMethod() );
 218         DavResource resource;
 219         if ( repoGroupConfig != null )
 220         {
 221             if ( !readMethod )
 222             {
 223                 throw new DavException( HttpServletResponse.SC_METHOD_NOT_ALLOWED,
 224                                         "Write method not allowed for repository groups." );
 225             }
 226
 227             log.debug( "Repository group '{}' accessed by '{}", repoGroupConfig.getId(), activePrincipal );
 228
 229             // handle browse requests for virtual repos
 230             if ( getLogicalResource( archivaLocator, null, true ).endsWith( "/" ) )
 231             {
 232                 try
 233                 {
 234                     return getResourceFromGroup( request, repoGroupConfig.getRepositories(), archivaLocator,
 235                                                  repoGroupConfig );
 236                 }
 237                 catch ( RepositoryAdminException e )
 238                 {
 239                     throw new DavException( 500, e );
 240                 }
 241             }
 242             else
 243             {
 244                 // make a copy to avoid potential concurrent modifications (eg. by configuration)
 245                 // TODO: ultimately, locking might be more efficient than copying in this fashion since updates are
 246                 //  infrequent
 247                 List<String> repositories = new ArrayList<String>( repoGroupConfig.getRepositories() );
 248                 resource = processRepositoryGroup( request, archivaLocator, repositories, activePrincipal,
 249                                                    resourcesInAbsolutePath, repoGroupConfig );
 250             }
 251         }
 252         else
 253         {
 254
 255             try
 256             {
 257                 RemoteRepository remoteRepository =
 258                     remoteRepositoryAdmin.getRemoteRepository( archivaLocator.getRepositoryId() );
 259
 260                 if ( remoteRepository != null )
 261                 {
 262                     String logicalResource = getLogicalResource( archivaLocator, null, false );
 263                     IndexingContext indexingContext = remoteRepositoryAdmin.createIndexContext( remoteRepository );
 264                     File resourceFile = StringUtils.equals( logicalResource, "/" )
 265                         ? new File( indexingContext.getIndexDirectoryFile().getParent() )
 266                         : new File( indexingContext.getIndexDirectoryFile().getParent(), logicalResource );
 267                     resource = new ArchivaDavResource( resourceFile.getAbsolutePath(), locator.getResourcePath(), null,
 268                                                        request.getRemoteAddr(), activePrincipal,
 269                                                        request.getDavSession(), archivaLocator, this, mimeTypes,
 270                                                        auditListeners, scheduler );
 271                     setHeaders( response, locator, resource );
 272                     return resource;
 273                 }
 274             }
 275             catch ( RepositoryAdminException e )
 276             {
 277                 log.debug( "RepositoryException remote repository with d'{}' not found, msg: {}",
 278                            archivaLocator.getRepositoryId(), e.getMessage() );
 279             }
 280
 281             ManagedRepositoryContent managedRepositoryContent = null;
 282
 283             try
 284             {
 285                 managedRepositoryContent =
 286                     repositoryFactory.getManagedRepositoryContent( archivaLocator.getRepositoryId() );
 287             }
 288             catch ( RepositoryNotFoundException e )
 289             {
 290                 throw new DavException( HttpServletResponse.SC_NOT_FOUND,
 291                                         "Invalid repository: " + archivaLocator.getRepositoryId() );
 292             }
 293             catch ( RepositoryException e )
 294             {
 295                 throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e );
 296             }
 297
 298             log.debug( "Managed repository '{}' accessed by '{}'", managedRepositoryContent.getId(), activePrincipal );
 299
 300             try
 301             {
 302                 resource = processRepository( request, archivaLocator, activePrincipal, managedRepositoryContent,
 303                                               managedRepositoryAdmin.getManagedRepository(
 304                                                   archivaLocator.getRepositoryId() ) );
 305
 306                 String logicalResource = getLogicalResource( archivaLocator, null, false );
 307                 resourcesInAbsolutePath.add(
 308                     new File( managedRepositoryContent.getRepoRoot(), logicalResource ).getAbsolutePath() );
 309
 310             }
 311             catch ( RepositoryAdminException e )
 312             {
 313                 throw new DavException( 500, e );
 314             }
 315         }
 316
 317         String requestedResource = request.getRequestURI();
 318
 319         // MRM-872 : merge all available metadata
 320         // merge metadata only when requested via the repo group
 321         if ( ( repositoryRequest.isMetadata( requestedResource ) || repositoryRequest.isMetadataSupportFile(
 322             requestedResource ) ) && repoGroupConfig != null )
 323         {
 324             // this should only be at the project level not version level!
 325             if ( isProjectReference( requestedResource ) )
 326             {
 327
 328                 ArchivaDavResource res = (ArchivaDavResource) resource;
 329                 String filePath =
 330                     StringUtils.substringBeforeLast( res.getLocalResource().getAbsolutePath().replace( '\\', '/' ),
 331                                                      "/" );
 332                 filePath = filePath + "/maven-metadata-" + repoGroupConfig.getId() + ".xml";
 333
 334                 // for MRM-872 handle checksums of the merged metadata files
 335                 if ( repositoryRequest.isSupportFile( requestedResource ) )
 336                 {
 337                     File metadataChecksum =
 338                         new File( filePath + "." + StringUtils.substringAfterLast( requestedResource, "." ) );
 339                     if ( metadataChecksum.exists() )
 340                     {
 341                         LogicalResource logicalResource =
 342                             new LogicalResource (getLogicalResource( archivaLocator, null, false ) );
 343
 344                         resource =
 345                             new ArchivaDavResource( metadataChecksum.getAbsolutePath(), logicalResource.getPath(), null,
 346                                                     request.getRemoteAddr(), activePrincipal, request.getDavSession(),
 347                                                     archivaLocator, this, mimeTypes, auditListeners, scheduler );
 348                     }
 349                 }
 350                 else
 351                 {
 352                     if ( resourcesInAbsolutePath != null && resourcesInAbsolutePath.size() > 1 )
 353                     {
 354                         // merge the metadata of all repos under group
 355                         ArchivaRepositoryMetadata mergedMetadata = new ArchivaRepositoryMetadata();
 356                         for ( String resourceAbsPath : resourcesInAbsolutePath )
 357                         {
 358                             try
 359                             {
 360                                 File metadataFile = new File( resourceAbsPath );
 361                                 ArchivaRepositoryMetadata repoMetadata = MavenMetadataReader.read( metadataFile );
 362                                 mergedMetadata = RepositoryMetadataMerge.merge( mergedMetadata, repoMetadata );
 363                             }
 364                             catch ( XMLException e )
 365                             {
 366                                 throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
 367                                                         "Error occurred while reading metadata file." );
 368                             }
 369                             catch ( RepositoryMetadataException r )
 370                             {
 371                                 throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
 372                                                         "Error occurred while merging metadata file." );
 373                             }
 374                         }
 375
 376                         try
 377                         {
 378                             File resourceFile = writeMergedMetadataToFile( mergedMetadata, filePath );
 379
 380                             LogicalResource logicalResource = new LogicalResource( getLogicalResource( archivaLocator, null, false ) );
 381
 382                             resource =
 383                                 new ArchivaDavResource( resourceFile.getAbsolutePath(), logicalResource.getPath(), null,
 384                                                         request.getRemoteAddr(), activePrincipal,
 385                                                         request.getDavSession(), archivaLocator, this, mimeTypes,
 386                                                         auditListeners, scheduler );
 387                         }
 388                         catch ( RepositoryMetadataException r )
 389                         {
 390                             throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
 391                                                     "Error occurred while writing metadata file." );
 392                         }
 393                         catch ( IOException ie )
 394                         {
 395                             throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
 396                                                     "Error occurred while generating checksum files." );
 397                         }
 398                         catch ( DigesterException de )
 399                         {
 400                             throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
 401                                                     "Error occurred while generating checksum files." + de.getMessage() );
 402                         }
 403                     }
 404                 }
 405             }
 406         }
 407
 408         setHeaders( response, locator, resource );
 409
 410         // compatibility with MRM-440 to ensure browsing the repository works ok
 411         if ( resource.isCollection() && !request.getRequestURI().endsWith( "/" ) )
 412         {
 413             throw new BrowserRedirectException( resource.getHref() );
 414         }
 415         resource.addLockManager( lockManager );
 416         return resource;
 417     }
 418
 419     private DavResource processRepositoryGroup( final DavServletRequest request,
 420                                                 ArchivaDavResourceLocator archivaLocator, List<String> repositories,
 421                                                 String activePrincipal, List<String> resourcesInAbsolutePath,
 422                                                 RepositoryGroupConfiguration repoGroupConfig )
 423         throws DavException
 424     {
 425         DavResource resource = null;
 426         List<DavException> storedExceptions = new ArrayList<DavException>();
 427
 428         String pathInfo = StringUtils.removeEnd( request.getPathInfo(), "/" );
 429
 430         String rootPath = StringUtils.substringBeforeLast( pathInfo, "/" );
 431
 432         if ( StringUtils.endsWith( rootPath, repoGroupConfig.getMergedIndexPath() ) )
 433         {
 434             // we are in the case of index file request
 435             String requestedFileName = StringUtils.substringAfterLast( pathInfo, "/" );
 436             File temporaryIndexDirectory =
 437                 buildMergedIndexDirectory( repositories, activePrincipal, request, repoGroupConfig );
 438
 439             File resourceFile = new File( temporaryIndexDirectory, requestedFileName );
 440             resource = new ArchivaDavResource( resourceFile.getAbsolutePath(), requestedFileName, null,
 441                                                request.getRemoteAddr(), activePrincipal, request.getDavSession(),
 442                                                archivaLocator, this, mimeTypes, auditListeners, scheduler );
 443
 444         }
 445         else
 446         {
 447             for ( String repositoryId : repositories )
 448             {
 449                 ManagedRepositoryContent managedRepositoryContent;
 450                 try
 451                 {
 452                     managedRepositoryContent = repositoryFactory.getManagedRepositoryContent( repositoryId );
 453                 }
 454                 catch ( RepositoryNotFoundException e )
 455                 {
 456                     throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e );
 457                 }
 458                 catch ( RepositoryException e )
 459                 {
 460                     throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e );
 461                 }
 462
 463                 try
 464                 {
 465                     ManagedRepository managedRepository = managedRepositoryAdmin.getManagedRepository( repositoryId );
 466                     DavResource updatedResource =
 467                         processRepository( request, archivaLocator, activePrincipal, managedRepositoryContent,
 468                                            managedRepository );
 469                     if ( resource == null )
 470                     {
 471                         resource = updatedResource;
 472                     }
 473
 474                     String logicalResource = getLogicalResource( archivaLocator, null, false );
 475                     if ( logicalResource.endsWith( "/" ) )
 476                     {
 477                         logicalResource = logicalResource.substring( 1 );
 478                     }
 479                     resourcesInAbsolutePath.add(
 480                         new File( managedRepositoryContent.getRepoRoot(), logicalResource ).getAbsolutePath() );
 481                 }
 482                 catch ( DavException e )
 483                 {
 484                     storedExceptions.add( e );
 485                 }
 486                 catch ( RepositoryAdminException e )
 487                 {
 488                     storedExceptions.add( new DavException( 500, e ) );
 489                 }
 490             }
 491         }
 492         if ( resource == null )
 493         {
 494             if ( !storedExceptions.isEmpty() )
 495             {
 496                 // MRM-1232
 497                 for ( DavException e : storedExceptions )
 498                 {
 499                     if ( 401 == e.getErrorCode() )
 500                     {
 501                         throw e;
 502                     }
 503                 }
 504
 505                 throw new DavException( HttpServletResponse.SC_NOT_FOUND );
 506             }
 507             else
 508             {
 509                 throw new DavException( HttpServletResponse.SC_NOT_FOUND );
 510             }
 511         }
 512         return resource;
 513     }
 514
 515     private String getLogicalResource( ArchivaDavResourceLocator archivaLocator, ManagedRepository managedRepository,
 516                                        boolean useOrigResourcePath )
 517     {
 518         // FIXME remove this hack
 519         // but currently managedRepository can be null in case of group
 520         String layout = managedRepository == null ? new ManagedRepository( ).getLayout() : managedRepository.getLayout();
 521         RepositoryStorage repositoryStorage =
 522             this.applicationContext.getBean( "repositoryStorage#" + layout, RepositoryStorage.class );
 523         String path = repositoryStorage.getFilePath(
 524             useOrigResourcePath ? archivaLocator.getOrigResourcePath() : archivaLocator.getResourcePath(), managedRepository );
 525         log.debug( "found path {} for resourcePath: '{}' with managedRepo '{}' and layout '{}'", path,
 526                    archivaLocator.getResourcePath(), managedRepository == null ? "null" : managedRepository.getId(), layout );
 527         return path;
 528     }
 529
 530     private DavResource processRepository( final DavServletRequest request, ArchivaDavResourceLocator archivaLocator,
 531                                            String activePrincipal, ManagedRepositoryContent managedRepositoryContent,
 532                                            ManagedRepository managedRepository )
 533         throws DavException
 534     {
 535         DavResource resource = null;
 536         if ( isAuthorized( request, managedRepositoryContent.getId() ) )
 537         {
 538             String path = getLogicalResource( archivaLocator, managedRepository, false );
 539             if ( path.startsWith( "/" ) )
 540             {
 541                 path = path.substring( 1 );
 542             }
 543             LogicalResource logicalResource = new LogicalResource( path );
 544             File resourceFile = new File( managedRepositoryContent.getRepoRoot(), path );
 545             resource =
 546                 new ArchivaDavResource( resourceFile.getAbsolutePath(), path, managedRepositoryContent.getRepository(),
 547                                         request.getRemoteAddr(), activePrincipal, request.getDavSession(),
 548                                         archivaLocator, this, mimeTypes, auditListeners, scheduler );
 549
 550             if ( WebdavMethodUtil.isReadMethod( request.getMethod() ) )
 551             {
 552                 if ( archivaLocator.getHref( false ).endsWith( "/" ) && !resourceFile.isDirectory() )
 553                 {
 554                     // force a resource not found
 555                     throw new DavException( HttpServletResponse.SC_NOT_FOUND, "Resource does not exist" );
 556                 }
 557                 else
 558                 {
 559                     if ( !resource.isCollection() )
 560                     {
 561                         boolean previouslyExisted = resourceFile.exists();
 562
 563                         // Attempt to fetch the resource from any defined proxy.
 564                         boolean fromProxy =
 565                             fetchContentFromProxies( managedRepositoryContent, request, logicalResource );
 566
 567                         // At this point the incoming request can either be in default or
 568                         // legacy layout format.
 569                         try
 570                         {
 571                             // Perform an adjustment of the resource to the managed
 572                             // repository expected path.
 573                             String localResourcePath =
 574                                 repositoryRequest.toNativePath( logicalResource.getPath(), managedRepositoryContent );
 575                             resourceFile = new File( managedRepositoryContent.getRepoRoot(), localResourcePath );
 576                             resource =
 577                                 new ArchivaDavResource( resourceFile.getAbsolutePath(), logicalResource.getPath(),
 578                                                         managedRepositoryContent.getRepository(),
 579                                                         request.getRemoteAddr(), activePrincipal,
 580                                                         request.getDavSession(), archivaLocator, this, mimeTypes,
 581                                                         auditListeners, scheduler );
 582                         }
 583                         catch ( LayoutException e )
 584                         {
 585                             if ( !resourceFile.exists() )
 586                             {
 587                                 throw new DavException( HttpServletResponse.SC_NOT_FOUND, e );
 588                             }
 589                         }
 590
 591                         if ( fromProxy )
 592                         {
 593                             String event = ( previouslyExisted ? AuditEvent.MODIFY_FILE : AuditEvent.CREATE_FILE )
 594                                 + PROXIED_SUFFIX;
 595
 596                             log.debug( "Proxied artifact '{}' in repository '{}' (current user '{}')",
 597                                        resourceFile.getName(), managedRepositoryContent.getId(), activePrincipal );
 598
 599                             triggerAuditEvent( request.getRemoteAddr(), archivaLocator.getRepositoryId(),
 600                                                logicalResource.getPath(), event, activePrincipal );
 601                         }
 602
 603                         if ( !resourceFile.exists() )
 604                         {
 605                             throw new DavException( HttpServletResponse.SC_NOT_FOUND, "Resource does not exist" );
 606                         }
 607                     }
 608                 }
 609             }
 610
 611             if ( request.getMethod().equals( HTTP_PUT_METHOD ) )
 612             {
 613                 String resourcePath = logicalResource.getPath();
 614
 615                 // check if target repo is enabled for releases
 616                 // we suppose that release-artifacts can be deployed only to repos enabled for releases
 617                 if ( managedRepositoryContent.getRepository().isReleases() && !repositoryRequest.isMetadata(
 618                     resourcePath ) && !repositoryRequest.isSupportFile( resourcePath ) )
 619                 {
 620                     ArtifactReference artifact = null;
 621                     try
 622                     {
 623                         artifact = managedRepositoryContent.toArtifactReference( resourcePath );
 624
 625                         if ( !VersionUtil.isSnapshot( artifact.getVersion() ) )
 626                         {
 627                             // check if artifact already exists and if artifact re-deployment to the repository is allowed
 628                             if ( managedRepositoryContent.hasContent( artifact )
 629                                 && managedRepositoryContent.getRepository().isBlockRedeployments() )
 630                             {
 631                                 log.warn( "Overwriting released artifacts in repository '{}' is not allowed.",
 632                                           managedRepositoryContent.getId() );
 633                                 throw new DavException( HttpServletResponse.SC_CONFLICT,
 634                                                         "Overwriting released artifacts is not allowed." );
 635                             }
 636                         }
 637                     }
 638                     catch ( LayoutException e )
 639                     {
 640                         log.warn( "Artifact path '{}' is invalid.", resourcePath );
 641                     }
 642                 }
 643
 644                 /*
 645                  * Create parent directories that don't exist when writing a file This actually makes this
 646                  * implementation not compliant to the WebDAV RFC - but we have enough knowledge about how the
 647                  * collection is being used to do this reasonably and some versions of Maven's WebDAV don't correctly
 648                  * create the collections themselves.
 649                  */
 650
 651                 File rootDirectory = new File( managedRepositoryContent.getRepoRoot() );
 652                 File destDir = new File( rootDirectory, logicalResource.getPath() ).getParentFile();
 653
 654                 if ( !destDir.exists() )
 655                 {
 656                     destDir.mkdirs();
 657                     String relPath = PathUtil.getRelative( rootDirectory.getAbsolutePath(), destDir );
 658
 659                     log.debug( "Creating destination directory '{}' (current user '{}')", destDir.getName(),
 660                                activePrincipal );
 661
 662                     triggerAuditEvent( request.getRemoteAddr(), managedRepositoryContent.getId(), relPath,
 663                                        AuditEvent.CREATE_DIR, activePrincipal );
 664                 }
 665             }
 666         }
 667         return resource;
 668     }
 669
 670     public DavResource createResource( final DavResourceLocator locator, final DavSession davSession )
 671         throws DavException
 672     {
 673         ArchivaDavResourceLocator archivaLocator = checkLocatorIsInstanceOfRepositoryLocator( locator );
 674
 675         ManagedRepositoryContent managedRepositoryContent;
 676         try
 677         {
 678             managedRepositoryContent =
 679                 repositoryFactory.getManagedRepositoryContent( archivaLocator.getRepositoryId() );
 680         }
 681         catch ( RepositoryNotFoundException e )
 682         {
 683             throw new DavException( HttpServletResponse.SC_NOT_FOUND,
 684                                     "Invalid repository: " + archivaLocator.getRepositoryId() );
 685         }
 686         catch ( RepositoryException e )
 687         {
 688             throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e );
 689         }
 690
 691         DavResource resource = null;
 692         try
 693         {
 694             String logicalResource = getLogicalResource( archivaLocator, managedRepositoryAdmin.getManagedRepository(
 695                 archivaLocator.getRepositoryId() ), false );
 696             if ( logicalResource.startsWith( "/" ) )
 697             {
 698                 logicalResource = logicalResource.substring( 1 );
 699             }
 700             File resourceFile = new File( managedRepositoryContent.getRepoRoot(), logicalResource );
 701             resource = new ArchivaDavResource( resourceFile.getAbsolutePath(), logicalResource,
 702                                                managedRepositoryContent.getRepository(), davSession, archivaLocator,
 703                                                this, mimeTypes, auditListeners, scheduler );
 704
 705             resource.addLockManager( lockManager );
 706         }
 707         catch ( RepositoryAdminException e )
 708         {
 709             throw new DavException( 500, e );
 710         }
 711         return resource;
 712     }
 713
 714     private boolean fetchContentFromProxies( ManagedRepositoryContent managedRepository, DavServletRequest request,
 715                                              LogicalResource resource )
 716         throws DavException
 717     {
 718         String path = resource.getPath();
 719         if ( repositoryRequest.isSupportFile( path ) )
 720         {
 721             File proxiedFile = connectors.fetchFromProxies( managedRepository, path );
 722
 723             return ( proxiedFile != null );
 724         }
 725
 726         // Is it a Metadata resource?
 727         if ( repositoryRequest.isDefault( path ) && repositoryRequest.isMetadata( path ) )
 728         {
 729             return connectors.fetchMetatadaFromProxies( managedRepository, path ) != null;
 730         }
 731
 732         // Is it an Archetype Catalog?
 733         if ( repositoryRequest.isArchetypeCatalog( path ) )
 734         {
 735             // FIXME we must implement a merge of remote archetype catalog from remote servers.
 736             File proxiedFile = connectors.fetchFromProxies( managedRepository, path );
 737
 738             return ( proxiedFile != null );
 739         }
 740
 741         // Not any of the above? Then it's gotta be an artifact reference.
 742         try
 743         {
 744             // Get the artifact reference in a layout neutral way.
 745             ArtifactReference artifact = repositoryRequest.toArtifactReference( path );
 746
 747             if ( artifact != null )
 748             {
 749                 String repositoryLayout = managedRepository.getRepository().getLayout();
 750
 751                 RepositoryStorage repositoryStorage =
 752                     this.applicationContext.getBean( "repositoryStorage#" + repositoryLayout, RepositoryStorage.class );
 753                 repositoryStorage.applyServerSideRelocation( managedRepository, artifact );
 754
 755                 File proxiedFile = connectors.fetchFromProxies( managedRepository, artifact );
 756
 757                 resource.setPath( managedRepository.toPath( artifact ) );
 758
 759                 log.debug( "Proxied artifact '{}:{}:{}'", artifact.getGroupId(), artifact.getArtifactId(),
 760                            artifact.getVersion() );
 761
 762                 return ( proxiedFile != null );
 763             }
 764         }
 765         catch ( LayoutException e )
 766         {
 767             /* eat it */
 768         }
 769         catch ( ProxyDownloadException e )
 770         {
 771             log.error( e.getMessage(), e );
 772             throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
 773                                     "Unable to fetch artifact resource." );
 774         }
 775         return false;
 776     }
 777
 778     // TODO: remove?
 779
 780     private void triggerAuditEvent( String remoteIP, String repositoryId, String resource, String action,
 781                                     String principal )
 782     {
 783         AuditEvent event = new AuditEvent( repositoryId, principal, resource, action );
 784         event.setRemoteIP( remoteIP );
 785
 786         for ( AuditListener listener : auditListeners )
 787         {
 788             listener.auditEvent( event );
 789         }
 790     }
 791
 792     public void addAuditListener( AuditListener listener )
 793     {
 794         this.auditListeners.add( listener );
 795     }
 796
 797     public void clearAuditListeners()
 798     {
 799         this.auditListeners.clear();
 800     }
 801
 802     public void removeAuditListener( AuditListener listener )
 803     {
 804         this.auditListeners.remove( listener );
 805     }
 806
 807     private void setHeaders( DavServletResponse response, DavResourceLocator locator, DavResource resource )
 808     {
 809         // [MRM-503] - Metadata file need Pragma:no-cache response
 810         // header.
 811         if ( locator.getResourcePath().endsWith( "/maven-metadata.xml" )
 812             || ( (ArchivaDavResource) resource ).getLocalResource().isDirectory() )
 813         {
 814             response.setHeader( "Pragma", "no-cache" );
 815             response.setHeader( "Cache-Control", "no-cache" );
 816             response.setDateHeader( "Last-Modified", new Date().getTime() );
 817         }
 818         // if the resource is a directory don't cache it as new groupId deployed will be available
 819         // without need of refreshing browser
 820         else
 821         {
 822             // We need to specify this so connecting wagons can work correctly
 823             response.setDateHeader( "Last-Modified", resource.getModificationTime() );
 824         }
 825         // TODO: [MRM-524] determine http caching options for other types of files (artifacts, sha1, md5, snapshots)
 826     }
 827
 828     private ArchivaDavResourceLocator checkLocatorIsInstanceOfRepositoryLocator( DavResourceLocator locator )
 829         throws DavException
 830     {
 831         if ( !( locator instanceof ArchivaDavResourceLocator ) )
 832         {
 833             throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
 834                                     "Locator does not implement RepositoryLocator" );
 835         }
 836
 837         // Hidden paths
 838         if ( locator.getResourcePath().startsWith( ArchivaDavResource.HIDDEN_PATH_PREFIX ) )
 839         {
 840             throw new DavException( HttpServletResponse.SC_NOT_FOUND );
 841         }
 842
 843         ArchivaDavResourceLocator archivaLocator = (ArchivaDavResourceLocator) locator;
 844
 845         // MRM-419 - Windows Webdav support. Should not 404 if there is no content.
 846         if ( StringUtils.isEmpty( archivaLocator.getRepositoryId() ) )
 847         {
 848             throw new DavException( HttpServletResponse.SC_NO_CONTENT );
 849         }
 850         return archivaLocator;
 851     }
 852
 853     private static class LogicalResource
 854     {
 855         private String path;
 856
 857         public LogicalResource( String path )
 858         {
 859             this.path = path;
 860         }
 861
 862         public String getPath()
 863         {
 864             return path;
 865         }
 866
 867         public void setPath( String path )
 868         {
 869             this.path = path;
 870         }
 871     }
 872
 873     protected boolean isAuthorized( DavServletRequest request, String repositoryId )
 874         throws DavException
 875     {
 876         try
 877         {
 878             AuthenticationResult result = httpAuth.getAuthenticationResult( request, null );
 879             SecuritySession securitySession = httpAuth.getSecuritySession( request.getSession( true ) );
 880
 881             return servletAuth.isAuthenticated( request, result ) && servletAuth.isAuthorized( request, securitySession,
 882                                                                                                repositoryId,
 883                                                                                                WebdavMethodUtil.getMethodPermission(
 884                                                                                                    request.getMethod() ) );
 885         }
 886         catch ( AuthenticationException e )
 887         {
 888             // safety check for MRM-911
 889             String guest = UserManager.GUEST_USERNAME;
 890             try
 891             {
 892                 if ( servletAuth.isAuthorized( guest,
 893                                                ( (ArchivaDavResourceLocator) request.getRequestLocator() ).getRepositoryId(),
 894                                                WebdavMethodUtil.getMethodPermission( request.getMethod() ) ) )
 895                 {
 896                     return true;
 897                 }
 898             }
 899             catch ( UnauthorizedException ae )
 900             {
 901                 throw new UnauthorizedDavException( repositoryId,
 902                                                     "You are not authenticated and authorized to access any repository." );
 903             }
 904
 905             throw new UnauthorizedDavException( repositoryId, "You are not authenticated" );
 906         }
 907         catch ( MustChangePasswordException e )
 908         {
 909             throw new UnauthorizedDavException( repositoryId, "You must change your password." );
 910         }
 911         catch ( AccountLockedException e )
 912         {
 913             throw new UnauthorizedDavException( repositoryId, "User account is locked." );
 914         }
 915         catch ( AuthorizationException e )
 916         {
 917             throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
 918                                     "Fatal Authorization Subsystem Error." );
 919         }
 920         catch ( UnauthorizedException e )
 921         {
 922             throw new UnauthorizedDavException( repositoryId, e.getMessage() );
 923         }
 924     }
 925
 926     private DavResource getResourceFromGroup( DavServletRequest request, List<String> repositories,
 927                                               ArchivaDavResourceLocator locator,
 928                                               RepositoryGroupConfiguration repositoryGroupConfiguration )
 929         throws DavException, RepositoryAdminException
 930     {
 931         List<File> mergedRepositoryContents = new ArrayList<File>();
 932         // multiple repo types so we guess they are all the same type
 933         // so use the first one
 934         // FIXME add a method with group in the repository storage
 935         String firstRepoId = repositoryGroupConfiguration.getRepositories().get( 1 );
 936
 937         String path = getLogicalResource( locator, managedRepositoryAdmin.getManagedRepository( firstRepoId ), false );
 938         if ( path.startsWith( "/" ) )
 939         {
 940             path = path.substring( 1 );
 941         }
 942         LogicalResource logicalResource = new LogicalResource( path );
 943
 944         // flow:
 945         // if the current user logged in has permission to any of the repositories, allow user to
 946         // browse the repo group but displaying only the repositories which the user has permission to access.
 947         // otherwise, prompt for authentication.
 948
 949         String activePrincipal = getActivePrincipal( request );
 950
 951         boolean allow = isAllowedToContinue( request, repositories, activePrincipal );
 952
 953         // remove last /
 954         String pathInfo = StringUtils.removeEnd( request.getPathInfo(), "/" );
 955
 956         if ( allow )
 957         {
 958
 959             if ( StringUtils.endsWith( pathInfo, repositoryGroupConfiguration.getMergedIndexPath() ) )
 960             {
 961                 File mergedRepoDir =
 962                     buildMergedIndexDirectory( repositories, activePrincipal, request, repositoryGroupConfiguration );
 963                 mergedRepositoryContents.add( mergedRepoDir );
 964             }
 965             else
 966             {
 967                 if ( StringUtils.equalsIgnoreCase( pathInfo, "/" + repositoryGroupConfiguration.getId() ) )
 968                 {
 969                     File tmpDirectory = new File( SystemUtils.getJavaIoTmpDir(),
 970                                                   repositoryGroupConfiguration.getId() + "/"
 971                                                       + repositoryGroupConfiguration.getMergedIndexPath() );
 972                     if ( !tmpDirectory.exists() )
 973                     {
 974                         synchronized ( tmpDirectory.getAbsolutePath() )
 975                         {
 976                             if ( !tmpDirectory.exists() )
 977                             {
 978                                 tmpDirectory.mkdirs();
 979                             }
 980                         }
 981                     }
 982                     mergedRepositoryContents.add( tmpDirectory.getParentFile() );
 983                 }
 984                 for ( String repository : repositories )
 985                 {
 986                     ManagedRepositoryContent managedRepository = null;
 987
 988                     try
 989                     {
 990                         managedRepository = repositoryFactory.getManagedRepositoryContent( repository );
 991                     }
 992                     catch ( RepositoryNotFoundException e )
 993                     {
 994                         throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
 995                                                 "Invalid managed repository <" + repository + ">: " + e.getMessage() );
 996                     }
 997                     catch ( RepositoryException e )
 998                     {
 999                         throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
1000                                                 "Invalid managed repository <" + repository + ">: " + e.getMessage() );
1001                     }
1002
1003                     File resourceFile = new File( managedRepository.getRepoRoot(), logicalResource.getPath() );
1004                     if ( resourceFile.exists() )
1005                     {
1006                         // in case of group displaying index directory doesn't have sense !!
1007                         String repoIndexDirectory = managedRepository.getRepository().getIndexDirectory();
1008                         if ( StringUtils.isNotEmpty( repoIndexDirectory ) )
1009                         {
1010                             if ( !new File( repoIndexDirectory ).isAbsolute() )
1011                             {
1012                                 repoIndexDirectory = new File( managedRepository.getRepository().getLocation(),
1013                                                                StringUtils.isEmpty( repoIndexDirectory )
1014                                                                    ? ".indexer"
1015                                                                    : repoIndexDirectory ).getAbsolutePath();
1016                             }
1017                         }
1018                         if ( StringUtils.isEmpty( repoIndexDirectory ) )
1019                         {
1020                             repoIndexDirectory = new File( managedRepository.getRepository().getLocation(),
1021                                                            ".indexer" ).getAbsolutePath();
1022                         }
1023
1024                         if ( !StringUtils.equals( FilenameUtils.normalize( repoIndexDirectory ),
1025                                                   FilenameUtils.normalize( resourceFile.getAbsolutePath() ) ) )
1026                         {
1027                             // for prompted authentication
1028                             if ( httpAuth.getSecuritySession( request.getSession( true ) ) != null )
1029                             {
1030                                 try
1031                                 {
1032                                     if ( isAuthorized( request, repository ) )
1033                                     {
1034                                         mergedRepositoryContents.add( resourceFile );
1035                                         log.debug( "Repository '{}' accessed by '{}'", repository, activePrincipal );
1036                                     }
1037                                 }
1038                                 catch ( DavException e )
1039                                 {
1040                                     // TODO: review exception handling
1041
1042                                     log.debug( "Skipping repository '{}' for user '{}': {}", managedRepository,
1043                                                activePrincipal, e.getMessage() );
1044
1045                                 }
1046
1047                             }
1048                             else
1049                             {
1050                                 // for the current user logged in
1051                                 try
1052                                 {
1053                                     if ( servletAuth.isAuthorized( activePrincipal, repository,
1054                                                                    WebdavMethodUtil.getMethodPermission(
1055                                                                        request.getMethod() ) ) )
1056                                     {
1057                                         mergedRepositoryContents.add( resourceFile );
1058                                         log.debug( "Repository '{}' accessed by '{}'", repository, activePrincipal );
1059                                     }
1060                                 }
1061                                 catch ( UnauthorizedException e )
1062                                 {
1063                                     // TODO: review exception handling
1064
1065                                     log.debug( "Skipping repository '{}' for user '{}': {}", managedRepository,
1066                                                activePrincipal, e.getMessage() );
1067
1068                                 }
1069                             }
1070                         }
1071                     }
1072                 }
1073             }
1074         }
1075         else
1076         {
1077             throw new UnauthorizedDavException( locator.getRepositoryId(), "User not authorized." );
1078         }
1079
1080         ArchivaVirtualDavResource resource =
1081             new ArchivaVirtualDavResource( mergedRepositoryContents, logicalResource.getPath(), mimeTypes, locator,
1082                                            this );
1083
1084         // compatibility with MRM-440 to ensure browsing the repository group works ok
1085         if ( resource.isCollection() && !request.getRequestURI().endsWith( "/" ) )
1086         {
1087             throw new BrowserRedirectException( resource.getHref() );
1088         }
1089
1090         return resource;
1091     }
1092
1093     protected String getActivePrincipal( DavServletRequest request )
1094     {
1095         User sessionUser = httpAuth.getSessionUser( request.getSession() );
1096         return sessionUser != null ? sessionUser.getUsername() : UserManager.GUEST_USERNAME;
1097     }
1098
1099     /**
1100      * Check if the current user is authorized to access any of the repos
1101      *
1102      * @param request
1103      * @param repositories
1104      * @param activePrincipal
1105      * @return
1106      */
1107     private boolean isAllowedToContinue( DavServletRequest request, List<String> repositories, String activePrincipal )
1108     {
1109         // when no repositories configured it's impossible to browse nothing !
1110         // at least make possible to see nothing :-)
1111         if ( repositories == null || repositories.isEmpty() )
1112         {
1113             return true;
1114         }
1115
1116         boolean allow = false;
1117
1118         // if securitySession != null, it means that the user was prompted for authentication
1119         if ( httpAuth.getSecuritySession( request.getSession() ) != null )
1120         {
1121             for ( String repository : repositories )
1122             {
1123                 try
1124                 {
1125                     if ( isAuthorized( request, repository ) )
1126                     {
1127                         allow = true;
1128                         break;
1129                     }
1130                 }
1131                 catch ( DavException e )
1132                 {
1133                     continue;
1134                 }
1135             }
1136         }
1137         else
1138         {
1139             for ( String repository : repositories )
1140             {
1141                 try
1142                 {
1143                     if ( servletAuth.isAuthorized( activePrincipal, repository,
1144                                                    WebdavMethodUtil.getMethodPermission( request.getMethod() ) ) )
1145                     {
1146                         allow = true;
1147                         break;
1148                     }
1149                 }
1150                 catch ( UnauthorizedException e )
1151                 {
1152                     continue;
1153                 }
1154             }
1155         }
1156
1157         return allow;
1158     }
1159
1160     private File writeMergedMetadataToFile( ArchivaRepositoryMetadata mergedMetadata, String outputFilename )
1161         throws RepositoryMetadataException, DigesterException, IOException
1162     {
1163         File outputFile = new File( outputFilename );
1164         if ( outputFile.exists() )
1165         {
1166             FileUtils.deleteQuietly( outputFile );
1167         }
1168
1169         outputFile.getParentFile().mkdirs();
1170         RepositoryMetadataWriter.write( mergedMetadata, outputFile );
1171
1172         createChecksumFile( outputFilename, digestSha1 );
1173         createChecksumFile( outputFilename, digestMd5 );
1174
1175         return outputFile;
1176     }
1177
1178     private void createChecksumFile( String path, Digester digester )
1179         throws DigesterException, IOException
1180     {
1181         File checksumFile = new File( path + digester.getFilenameExtension() );
1182         if ( !checksumFile.exists() )
1183         {
1184             FileUtils.deleteQuietly( checksumFile );
1185             checksum.createChecksum( new File( path ), digester );
1186         }
1187         else if ( !checksumFile.isFile() )
1188         {
1189             log.error( "Checksum file is not a file." );
1190         }
1191     }
1192
1193     private boolean isProjectReference( String requestedResource )
1194     {
1195         try
1196         {
1197             metadataTools.toVersionedReference( requestedResource );
1198             return false;
1199         }
1200         catch ( RepositoryMetadataException re )
1201         {
1202             return true;
1203         }
1204     }
1205
1206     protected File buildMergedIndexDirectory( List<String> repositories, String activePrincipal,
1207                                               DavServletRequest request,
1208                                               RepositoryGroupConfiguration repositoryGroupConfiguration )
1209         throws DavException
1210     {
1211
1212         try
1213         {
1214             HttpSession session = request.getSession();
1215
1216             Map<String, TemporaryGroupIndex> temporaryGroupIndexMap =
1217                 (Map<String, TemporaryGroupIndex>) session.getAttribute(
1218                     TemporaryGroupIndexSessionCleaner.TEMPORARY_INDEX_SESSION_KEY );
1219             if ( temporaryGroupIndexMap == null )
1220             {
1221                 temporaryGroupIndexMap = new HashMap<String, TemporaryGroupIndex>();
1222             }
1223
1224             TemporaryGroupIndex tmp = temporaryGroupIndexMap.get( repositoryGroupConfiguration.getId() );
1225
1226             if ( tmp != null && tmp.getDirectory() != null && tmp.getDirectory().exists() )
1227             {
1228                 if ( System.currentTimeMillis() - tmp.getCreationTime() > (
1229                     repositoryGroupConfiguration.getMergedIndexTtl() * 60 * 1000 ) )
1230                 {
1231                     log.debug( MarkerFactory.getMarker( "group.merged.index" ),
1232                                "tmp group index '{}' is too old so delete it", repositoryGroupConfiguration.getId() );
1233                     indexMerger.cleanTemporaryGroupIndex( tmp );
1234                 }
1235                 else
1236                 {
1237                     log.debug( MarkerFactory.getMarker( "group.merged.index" ),
1238                                "merged index for group '{}' found in cache", repositoryGroupConfiguration.getId() );
1239                     return tmp.getDirectory();
1240                 }
1241             }
1242
1243             Set<String> authzRepos = new HashSet<String>();
1244             for ( String repository : repositories )
1245             {
1246                 try
1247                 {
1248                     if ( servletAuth.isAuthorized( activePrincipal, repository,
1249                                                    WebdavMethodUtil.getMethodPermission( request.getMethod() ) ) )
1250                     {
1251                         authzRepos.add( repository );
1252                         authzRepos.addAll( this.repositorySearch.getRemoteIndexingContextIds( repository ) );
1253                     }
1254                 }
1255                 catch ( UnauthorizedException e )
1256                 {
1257                     // TODO: review exception handling
1258
1259                     log.debug( "Skipping repository '{}' for user '{}': {}", repository, activePrincipal,
1260                                e.getMessage() );
1261                 }
1262             }
1263             log.info( "generate temporary merged index for repository group '{}' for repositories '{}'",
1264                       repositoryGroupConfiguration.getId(), authzRepos );
1265             IndexingContext indexingContext = indexMerger.buildMergedIndex(
1266                 new IndexMergerRequest( authzRepos, true, repositoryGroupConfiguration.getId(),
1267                                         repositoryGroupConfiguration.getMergedIndexPath(),
1268                                         repositoryGroupConfiguration.getMergedIndexTtl() ) );
1269             File mergedRepoDir = indexingContext.getIndexDirectoryFile();
1270             TemporaryGroupIndex temporaryGroupIndex =
1271                 new TemporaryGroupIndex( mergedRepoDir, indexingContext.getId(), repositoryGroupConfiguration.getId(),
1272                                          repositoryGroupConfiguration.getMergedIndexTtl() ).setCreationTime(
1273                     new Date().getTime() );
1274             temporaryGroupIndexMap.put( repositoryGroupConfiguration.getId(), temporaryGroupIndex );
1275             session.setAttribute( TemporaryGroupIndexSessionCleaner.TEMPORARY_INDEX_SESSION_KEY,
1276                                   temporaryGroupIndexMap );
1277             return mergedRepoDir;
1278         }
1279         catch ( RepositoryAdminException e )
1280         {
1281             throw new DavException( 500, e );
1282         }
1283         catch ( IndexMergerException e )
1284         {
1285             throw new DavException( 500, e );
1286         }
1287     }
1288
1289
1290     public void setServletAuth( ServletAuthenticator servletAuth )
1291     {
1292         this.servletAuth = servletAuth;
1293     }
1294
1295     public void setHttpAuth( HttpAuthenticator httpAuth )
1296     {
1297         this.httpAuth = httpAuth;
1298     }
1299
1300     public void setScheduler( RepositoryArchivaTaskScheduler scheduler )
1301     {
1302         this.scheduler = scheduler;
1303     }
1304
1305     public void setArchivaConfiguration( ArchivaConfiguration archivaConfiguration )
1306     {
1307         this.archivaConfiguration = archivaConfiguration;
1308     }
1309
1310     public void setRepositoryFactory( RepositoryContentFactory repositoryFactory )
1311     {
1312         this.repositoryFactory = repositoryFactory;
1313     }
1314
1315     public void setRepositoryRequest( RepositoryRequest repositoryRequest )
1316     {
1317         this.repositoryRequest = repositoryRequest;
1318     }
1319
1320     public void setConnectors( RepositoryProxyConnectors connectors )
1321     {
1322         this.connectors = connectors;
1323     }
1324
1325     public RemoteRepositoryAdmin getRemoteRepositoryAdmin()
1326     {
1327         return remoteRepositoryAdmin;
1328     }
1329
1330     public void setRemoteRepositoryAdmin( RemoteRepositoryAdmin remoteRepositoryAdmin )
1331     {
1332         this.remoteRepositoryAdmin = remoteRepositoryAdmin;
1333     }
1334
1335     public ManagedRepositoryAdmin getManagedRepositoryAdmin()
1336     {
1337         return managedRepositoryAdmin;
1338     }
1339
1340     public void setManagedRepositoryAdmin( ManagedRepositoryAdmin managedRepositoryAdmin )
1341     {
1342         this.managedRepositoryAdmin = managedRepositoryAdmin;
1343     }
1344 }