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 com.google.common.io.Files;
  23 import org.apache.archiva.admin.model.RepositoryAdminException;
  24 import org.apache.archiva.admin.model.beans.ManagedRepository;
  25 import org.apache.archiva.admin.model.beans.RemoteRepository;
  26 import org.apache.archiva.admin.model.managed.ManagedRepositoryAdmin;
  27 import org.apache.archiva.admin.model.remote.RemoteRepositoryAdmin;
  28 import org.apache.archiva.audit.AuditEvent;
  29 import org.apache.archiva.audit.AuditListener;
  30 import org.apache.archiva.audit.Auditable;
  31 import org.apache.archiva.common.filelock.FileLockManager;
  32 import org.apache.archiva.common.plexusbridge.PlexusSisuBridge;
  33 import org.apache.archiva.common.plexusbridge.PlexusSisuBridgeException;
  34 import org.apache.archiva.common.utils.PathUtil;
  35 import org.apache.archiva.common.utils.VersionUtil;
  36 import org.apache.archiva.configuration.ArchivaConfiguration;
  37 import org.apache.archiva.configuration.RepositoryGroupConfiguration;
  38 import org.apache.archiva.indexer.merger.IndexMerger;
  39 import org.apache.archiva.indexer.merger.IndexMergerException;
  40 import org.apache.archiva.indexer.merger.IndexMergerRequest;
  41 import org.apache.archiva.indexer.merger.MergedRemoteIndexesTask;
  42 import org.apache.archiva.indexer.merger.MergedRemoteIndexesTaskRequest;
  43 import org.apache.archiva.indexer.merger.TemporaryGroupIndex;
  44 import org.apache.archiva.indexer.search.RepositorySearch;
  45 import org.apache.archiva.maven2.metadata.MavenMetadataReader;
  46 import org.apache.archiva.metadata.repository.storage.RelocationException;
  47 import org.apache.archiva.metadata.repository.storage.RepositoryStorage;
  48 import org.apache.archiva.model.ArchivaRepositoryMetadata;
  49 import org.apache.archiva.model.ArtifactReference;
  50 import org.apache.archiva.policies.ProxyDownloadException;
  51 import org.apache.archiva.proxy.model.RepositoryProxyConnectors;
  52 import org.apache.archiva.redback.authentication.AuthenticationException;
  53 import org.apache.archiva.redback.authentication.AuthenticationResult;
  54 import org.apache.archiva.redback.authorization.AuthorizationException;
  55 import org.apache.archiva.redback.authorization.UnauthorizedException;
  56 import org.apache.archiva.redback.integration.filter.authentication.HttpAuthenticator;
  57 import org.apache.archiva.redback.policy.AccountLockedException;
  58 import org.apache.archiva.redback.policy.MustChangePasswordException;
  59 import org.apache.archiva.redback.system.SecuritySession;
  60 import org.apache.archiva.redback.users.User;
  61 import org.apache.archiva.redback.users.UserManager;
  62 import org.apache.archiva.repository.ManagedRepositoryContent;
  63 import org.apache.archiva.repository.RepositoryContentFactory;
  64 import org.apache.archiva.repository.RepositoryException;
  65 import org.apache.archiva.repository.RepositoryNotFoundException;
  66 import org.apache.archiva.repository.content.legacy.LegacyPathParser;
  67 import org.apache.archiva.repository.content.maven2.RepositoryRequest;
  68 import org.apache.archiva.repository.layout.LayoutException;
  69 import org.apache.archiva.repository.metadata.MetadataTools;
  70 import org.apache.archiva.repository.metadata.RepositoryMetadataException;
  71 import org.apache.archiva.repository.metadata.RepositoryMetadataMerge;
  72 import org.apache.archiva.repository.metadata.RepositoryMetadataWriter;
  73 import org.apache.archiva.scheduler.repository.model.RepositoryArchivaTaskScheduler;
  74 import org.apache.archiva.security.ServletAuthenticator;
  75 import org.apache.archiva.webdav.util.MimeTypes;
  76 import org.apache.archiva.webdav.util.TemporaryGroupIndexSessionCleaner;
  77 import org.apache.archiva.webdav.util.WebdavMethodUtil;
  78 import org.apache.archiva.xml.XMLException;
  79 import org.apache.commons.io.FileUtils;
  80 import org.apache.commons.io.FilenameUtils;
  81 import org.apache.commons.lang.StringUtils;
  82 import org.apache.commons.lang.SystemUtils;
  83 import org.apache.jackrabbit.webdav.DavException;
  84 import org.apache.jackrabbit.webdav.DavResource;
  85 import org.apache.jackrabbit.webdav.DavResourceFactory;
  86 import org.apache.jackrabbit.webdav.DavResourceLocator;
  87 import org.apache.jackrabbit.webdav.DavServletRequest;
  88 import org.apache.jackrabbit.webdav.DavServletResponse;
  89 import org.apache.jackrabbit.webdav.DavSession;
  90 import org.apache.jackrabbit.webdav.lock.LockManager;
  91 import org.apache.jackrabbit.webdav.lock.SimpleLockManager;
  92 import org.apache.maven.index.context.IndexingContext;
  93 import org.codehaus.plexus.digest.ChecksumFile;
  94 import org.codehaus.plexus.digest.Digester;
  95 import org.codehaus.plexus.digest.DigesterException;
  96 import org.slf4j.Logger;
  97 import org.slf4j.LoggerFactory;
  98 import org.slf4j.MarkerFactory;
  99 import org.springframework.context.ApplicationContext;
 100 import org.springframework.stereotype.Service;
 101
 102 import javax.annotation.PostConstruct;
 103 import javax.inject.Inject;
 104 import javax.inject.Named;
 105 import javax.servlet.http.HttpServletResponse;
 106 import javax.servlet.http.HttpSession;
 107 import java.io.File;
 108 import java.io.IOException;
 109 import java.util.ArrayList;
 110 import java.util.Date;
 111 import java.util.HashMap;
 112 import java.util.HashSet;
 113 import java.util.List;
 114 import java.util.Map;
 115 import java.util.Set;
 116
 117 /**
 118  *
 119  */
 120 @Service( "davResourceFactory#archiva" )
 121 public class ArchivaDavResourceFactory
 122     implements DavResourceFactory, Auditable
 123 {
 124     private static final String PROXIED_SUFFIX = " (proxied)";
 125
 126     private static final String HTTP_PUT_METHOD = "PUT";
 127
 128     private Logger log = LoggerFactory.getLogger( ArchivaDavResourceFactory.class );
 129
 130     @Inject
 131     private List<AuditListener> auditListeners = new ArrayList<>();
 132
 133     @Inject
 134     private RepositoryContentFactory repositoryFactory;
 135
 136     private RepositoryRequest repositoryRequest;
 137
 138     @Inject
 139     @Named( value = "repositoryProxyConnectors#default" )
 140     private RepositoryProxyConnectors connectors;
 141
 142     @Inject
 143     private MetadataTools metadataTools;
 144
 145     @Inject
 146     private MimeTypes mimeTypes;
 147
 148     private ArchivaConfiguration archivaConfiguration;
 149
 150     @Inject
 151     private ServletAuthenticator servletAuth;
 152
 153     @Inject
 154     @Named( value = "httpAuthenticator#basic" )
 155     private HttpAuthenticator httpAuth;
 156
 157     @Inject
 158     private RemoteRepositoryAdmin remoteRepositoryAdmin;
 159
 160     @Inject
 161     private ManagedRepositoryAdmin managedRepositoryAdmin;
 162
 163     @Inject
 164     private IndexMerger indexMerger;
 165
 166     @Inject
 167     private RepositorySearch repositorySearch;
 168
 169     /**
 170      * Lock Manager - use simple implementation from JackRabbit
 171      */
 172     private final LockManager lockManager = new SimpleLockManager();
 173
 174     private ChecksumFile checksum;
 175
 176     private Digester digestSha1;
 177
 178     private Digester digestMd5;
 179
 180     @Inject
 181     @Named( value = "archivaTaskScheduler#repository" )
 182     private RepositoryArchivaTaskScheduler scheduler;
 183
 184     @Inject
 185     @Named( value = "fileLockManager#default" )
 186     private FileLockManager fileLockManager;
 187
 188     private ApplicationContext applicationContext;
 189
 190     @Inject
 191     public ArchivaDavResourceFactory( ApplicationContext applicationContext, PlexusSisuBridge plexusSisuBridge,
 192                                       ArchivaConfiguration archivaConfiguration )
 193         throws PlexusSisuBridgeException
 194     {
 195         this.archivaConfiguration = archivaConfiguration;
 196         this.applicationContext = applicationContext;
 197         this.checksum = plexusSisuBridge.lookup( ChecksumFile.class );
 198
 199         this.digestMd5 = plexusSisuBridge.lookup( Digester.class, "md5" );
 200         this.digestSha1 = plexusSisuBridge.lookup( Digester.class, "sha1" );
 201
 202         // TODO remove this hard dependency on maven !!
 203         repositoryRequest = new RepositoryRequest( new LegacyPathParser( archivaConfiguration ) );
 204     }
 205
 206     @PostConstruct
 207     public void initialize()
 208     {
 209         // no op
 210     }
 211
 212     @Override
 213     public DavResource createResource( final DavResourceLocator locator, final DavServletRequest request,
 214                                        final DavServletResponse response )
 215         throws DavException
 216     {
 217         ArchivaDavResourceLocator archivaLocator = checkLocatorIsInstanceOfRepositoryLocator( locator );
 218
 219         RepositoryGroupConfiguration repoGroupConfig =
 220             archivaConfiguration.getConfiguration().getRepositoryGroupsAsMap().get( archivaLocator.getRepositoryId() );
 221
 222         String activePrincipal = getActivePrincipal( request );
 223
 224         List<String> resourcesInAbsolutePath = new ArrayList<>();
 225
 226         boolean readMethod = WebdavMethodUtil.isReadMethod( request.getMethod() );
 227         DavResource resource;
 228         if ( repoGroupConfig != null )
 229         {
 230             if ( !readMethod )
 231             {
 232                 throw new DavException( HttpServletResponse.SC_METHOD_NOT_ALLOWED,
 233                                         "Write method not allowed for repository groups." );
 234             }
 235
 236             log.debug( "Repository group '{}' accessed by '{}", repoGroupConfig.getId(), activePrincipal );
 237
 238             // handle browse requests for virtual repos
 239             if ( getLogicalResource( archivaLocator, null, true ).endsWith( "/" ) )
 240             {
 241                 try
 242                 {
 243                     DavResource davResource =
 244                         getResourceFromGroup( request, repoGroupConfig.getRepositories(), archivaLocator,
 245                                               repoGroupConfig );
 246
 247                     setHeaders( response, locator, davResource );
 248
 249                     return davResource;
 250
 251                 }
 252                 catch ( RepositoryAdminException e )
 253                 {
 254                     throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e );
 255                 }
 256             }
 257             else
 258             {
 259                 // make a copy to avoid potential concurrent modifications (eg. by configuration)
 260                 // TODO: ultimately, locking might be more efficient than copying in this fashion since updates are
 261                 //  infrequent
 262                 List<String> repositories = new ArrayList<>( repoGroupConfig.getRepositories() );
 263                 resource = processRepositoryGroup( request, archivaLocator, repositories, activePrincipal,
 264                                                    resourcesInAbsolutePath, repoGroupConfig );
 265             }
 266         }
 267         else
 268         {
 269
 270             try
 271             {
 272                 RemoteRepository remoteRepository =
 273                     remoteRepositoryAdmin.getRemoteRepository( archivaLocator.getRepositoryId() );
 274
 275                 if ( remoteRepository != null )
 276                 {
 277                     String logicalResource = getLogicalResource( archivaLocator, null, false );
 278                     IndexingContext indexingContext = remoteRepositoryAdmin.createIndexContext( remoteRepository );
 279                     File resourceFile = StringUtils.equals( logicalResource, "/" )
 280                         ? new File( indexingContext.getIndexDirectoryFile().getParent() )
 281                         : new File( indexingContext.getIndexDirectoryFile().getParent(), logicalResource );
 282                     resource = new ArchivaDavResource( resourceFile.getAbsolutePath(), locator.getResourcePath(), null,
 283                                                        request.getRemoteAddr(), activePrincipal,
 284                                                        request.getDavSession(), archivaLocator, this, mimeTypes,
 285                                                        auditListeners, scheduler, fileLockManager );
 286                     setHeaders( response, locator, resource );
 287                     return resource;
 288                 }
 289             }
 290             catch ( RepositoryAdminException e )
 291             {
 292                 log.debug( "RepositoryException remote repository with d'{}' not found, msg: {}",
 293                            archivaLocator.getRepositoryId(), e.getMessage() );
 294             }
 295
 296             ManagedRepositoryContent managedRepositoryContent = null;
 297
 298             try
 299             {
 300                 managedRepositoryContent =
 301                     repositoryFactory.getManagedRepositoryContent( archivaLocator.getRepositoryId() );
 302             }
 303             catch ( RepositoryNotFoundException e )
 304             {
 305                 throw new DavException( HttpServletResponse.SC_NOT_FOUND,
 306                                         "Invalid repository: " + archivaLocator.getRepositoryId() );
 307             }
 308             catch ( RepositoryException e )
 309             {
 310                 throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e );
 311             }
 312
 313             log.debug( "Managed repository '{}' accessed by '{}'", managedRepositoryContent.getId(), activePrincipal );
 314
 315             try
 316             {
 317                 resource = processRepository( request, archivaLocator, activePrincipal, managedRepositoryContent,
 318                                               managedRepositoryAdmin.getManagedRepository(
 319                                                   archivaLocator.getRepositoryId() )
 320                 );
 321
 322                 String logicalResource = getLogicalResource( archivaLocator, null, false );
 323                 resourcesInAbsolutePath.add(
 324                     new File( managedRepositoryContent.getRepoRoot(), logicalResource ).getAbsolutePath() );
 325
 326             }
 327             catch ( RepositoryAdminException e )
 328             {
 329                 throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e );
 330             }
 331         }
 332
 333         String requestedResource = request.getRequestURI();
 334
 335         // MRM-872 : merge all available metadata
 336         // merge metadata only when requested via the repo group
 337         if ( ( repositoryRequest.isMetadata( requestedResource ) || repositoryRequest.isMetadataSupportFile(
 338             requestedResource ) ) && repoGroupConfig != null )
 339         {
 340             // this should only be at the project level not version level!
 341             if ( isProjectReference( requestedResource ) )
 342             {
 343
 344                 ArchivaDavResource res = (ArchivaDavResource) resource;
 345                 String filePath =
 346                     StringUtils.substringBeforeLast( res.getLocalResource().getAbsolutePath().replace( '\\', '/' ),
 347                                                      "/" );
 348                 filePath = filePath + "/maven-metadata-" + repoGroupConfig.getId() + ".xml";
 349
 350                 // for MRM-872 handle checksums of the merged metadata files
 351                 if ( repositoryRequest.isSupportFile( requestedResource ) )
 352                 {
 353                     File metadataChecksum =
 354                         new File( filePath + "." + StringUtils.substringAfterLast( requestedResource, "." ) );
 355                     if ( metadataChecksum.exists() )
 356                     {
 357                         LogicalResource logicalResource =
 358                             new LogicalResource( getLogicalResource( archivaLocator, null, false ) );
 359
 360                         resource =
 361                             new ArchivaDavResource( metadataChecksum.getAbsolutePath(), logicalResource.getPath(), null,
 362                                                     request.getRemoteAddr(), activePrincipal, request.getDavSession(),
 363                                                     archivaLocator, this, mimeTypes, auditListeners, scheduler,
 364                                                     fileLockManager );
 365                     }
 366                 }
 367                 else
 368                 {
 369                     if ( resourcesInAbsolutePath != null && resourcesInAbsolutePath.size() > 1 )
 370                     {
 371                         // merge the metadata of all repos under group
 372                         ArchivaRepositoryMetadata mergedMetadata = new ArchivaRepositoryMetadata();
 373                         for ( String resourceAbsPath : resourcesInAbsolutePath )
 374                         {
 375                             try
 376                             {
 377                                 File metadataFile = new File( resourceAbsPath );
 378                                 ArchivaRepositoryMetadata repoMetadata = MavenMetadataReader.read( metadataFile );
 379                                 mergedMetadata = RepositoryMetadataMerge.merge( mergedMetadata, repoMetadata );
 380                             }
 381                             catch ( XMLException e )
 382                             {
 383                                 throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
 384                                                         "Error occurred while reading metadata file." );
 385                             }
 386                             catch ( RepositoryMetadataException r )
 387                             {
 388                                 throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
 389                                                         "Error occurred while merging metadata file." );
 390                             }
 391                         }
 392
 393                         try
 394                         {
 395                             File resourceFile = writeMergedMetadataToFile( mergedMetadata, filePath );
 396
 397                             LogicalResource logicalResource =
 398                                 new LogicalResource( getLogicalResource( archivaLocator, null, false ) );
 399
 400                             resource =
 401                                 new ArchivaDavResource( resourceFile.getAbsolutePath(), logicalResource.getPath(), null,
 402                                                         request.getRemoteAddr(), activePrincipal,
 403                                                         request.getDavSession(), archivaLocator, this, mimeTypes,
 404                                                         auditListeners, scheduler, fileLockManager );
 405                         }
 406                         catch ( RepositoryMetadataException r )
 407                         {
 408                             throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
 409                                                     "Error occurred while writing metadata file." );
 410                         }
 411                         catch ( IOException ie )
 412                         {
 413                             throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
 414                                                     "Error occurred while generating checksum files." );
 415                         }
 416                         catch ( DigesterException de )
 417                         {
 418                             throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
 419                                                     "Error occurred while generating checksum files."
 420                                                         + de.getMessage() );
 421                         }
 422                     }
 423                 }
 424             }
 425         }
 426
 427         setHeaders( response, locator, resource );
 428
 429         // compatibility with MRM-440 to ensure browsing the repository works ok
 430         if ( resource.isCollection() && !request.getRequestURI().endsWith( "/" ) )
 431         {
 432             throw new BrowserRedirectException( resource.getHref() );
 433         }
 434         resource.addLockManager( lockManager );
 435         return resource;
 436     }
 437
 438     private DavResource processRepositoryGroup( final DavServletRequest request,
 439                                                 ArchivaDavResourceLocator archivaLocator, List<String> repositories,
 440                                                 String activePrincipal, List<String> resourcesInAbsolutePath,
 441                                                 RepositoryGroupConfiguration repoGroupConfig )
 442         throws DavException
 443     {
 444         DavResource resource = null;
 445         List<DavException> storedExceptions = new ArrayList<>();
 446
 447         String pathInfo = StringUtils.removeEnd( request.getPathInfo(), "/" );
 448
 449         String rootPath = StringUtils.substringBeforeLast( pathInfo, "/" );
 450
 451         if ( StringUtils.endsWith( rootPath, repoGroupConfig.getMergedIndexPath() ) )
 452         {
 453             // we are in the case of index file request
 454             String requestedFileName = StringUtils.substringAfterLast( pathInfo, "/" );
 455             File temporaryIndexDirectory =
 456                 buildMergedIndexDirectory( repositories, activePrincipal, request, repoGroupConfig );
 457
 458             File resourceFile = new File( temporaryIndexDirectory, requestedFileName );
 459             resource = new ArchivaDavResource( resourceFile.getAbsolutePath(), requestedFileName, null,
 460                                                request.getRemoteAddr(), activePrincipal, request.getDavSession(),
 461                                                archivaLocator, this, mimeTypes, auditListeners, scheduler,
 462                                                fileLockManager );
 463
 464         }
 465         else
 466         {
 467             for ( String repositoryId : repositories )
 468             {
 469                 ManagedRepositoryContent managedRepositoryContent;
 470                 try
 471                 {
 472                     managedRepositoryContent = repositoryFactory.getManagedRepositoryContent( repositoryId );
 473                 }
 474                 catch ( RepositoryNotFoundException e )
 475                 {
 476                     throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e );
 477                 }
 478                 catch ( RepositoryException e )
 479                 {
 480                     throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e );
 481                 }
 482
 483                 try
 484                 {
 485                     ManagedRepository managedRepository = managedRepositoryAdmin.getManagedRepository( repositoryId );
 486                     DavResource updatedResource =
 487                         processRepository( request, archivaLocator, activePrincipal, managedRepositoryContent,
 488                                            managedRepository );
 489                     if ( resource == null )
 490                     {
 491                         resource = updatedResource;
 492                     }
 493
 494                     String logicalResource = getLogicalResource( archivaLocator, null, false );
 495                     if ( logicalResource.endsWith( "/" ) )
 496                     {
 497                         logicalResource = logicalResource.substring( 1 );
 498                     }
 499                     resourcesInAbsolutePath.add(
 500                         new File( managedRepositoryContent.getRepoRoot(), logicalResource ).getAbsolutePath() );
 501                 }
 502                 catch ( DavException e )
 503                 {
 504                     storedExceptions.add( e );
 505                 }
 506                 catch ( RepositoryAdminException e )
 507                 {
 508                     storedExceptions.add( new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e ) );
 509                 }
 510             }
 511         }
 512         if ( resource == null )
 513         {
 514             if ( !storedExceptions.isEmpty() )
 515             {
 516                 // MRM-1232
 517                 for ( DavException e : storedExceptions )
 518                 {
 519                     if ( 401 == e.getErrorCode() )
 520                     {
 521                         throw e;
 522                     }
 523                 }
 524
 525                 throw new DavException( HttpServletResponse.SC_NOT_FOUND );
 526             }
 527             else
 528             {
 529                 throw new DavException( HttpServletResponse.SC_NOT_FOUND );
 530             }
 531         }
 532         return resource;
 533     }
 534
 535     private String getLogicalResource( ArchivaDavResourceLocator archivaLocator, ManagedRepository managedRepository,
 536                                        boolean useOrigResourcePath )
 537     {
 538         // FIXME remove this hack
 539         // but currently managedRepository can be null in case of group
 540         String layout = managedRepository == null ? new ManagedRepository().getLayout() : managedRepository.getLayout();
 541         RepositoryStorage repositoryStorage =
 542             this.applicationContext.getBean( "repositoryStorage#" + layout, RepositoryStorage.class );
 543         String path = repositoryStorage.getFilePath(
 544             useOrigResourcePath ? archivaLocator.getOrigResourcePath() : archivaLocator.getResourcePath(),
 545             managedRepository );
 546         log.debug( "found path {} for resourcePath: '{}' with managedRepo '{}' and layout '{}'", path,
 547                    archivaLocator.getResourcePath(), managedRepository == null ? "null" : managedRepository.getId(),
 548                    layout );
 549         return path;
 550     }
 551
 552     private String evaluatePathWithVersion( ArchivaDavResourceLocator archivaLocator,
 553                                             ManagedRepositoryContent managedRepositoryContent, String contextPath )
 554         throws DavException
 555     {
 556         String layout = managedRepositoryContent.getRepository() == null
 557             ? new ManagedRepository().getLayout()
 558             : managedRepositoryContent.getRepository().getLayout();
 559         RepositoryStorage repositoryStorage =
 560             this.applicationContext.getBean( "repositoryStorage#" + layout, RepositoryStorage.class );
 561         try
 562         {
 563             return repositoryStorage.getFilePathWithVersion( archivaLocator.getResourcePath(),
 564                                                              managedRepositoryContent );
 565         }
 566         catch ( RelocationException e )
 567         {
 568             String path = e.getPath();
 569             log.debug( "Relocation to {}", path );
 570
 571             throw new BrowserRedirectException( contextPath + ( StringUtils.startsWith( path, "/" ) ? "" : "/" ) + path,
 572                                                 e.getRelocationType() );
 573         }
 574         catch ( XMLException e )
 575         {
 576             log.error( e.getMessage(), e );
 577             throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e );
 578         }
 579     }
 580
 581     private DavResource processRepository( final DavServletRequest request, ArchivaDavResourceLocator archivaLocator,
 582                                            String activePrincipal, ManagedRepositoryContent managedRepositoryContent,
 583                                            ManagedRepository managedRepository )
 584         throws DavException
 585     {
 586         DavResource resource = null;
 587         if ( isAuthorized( request, managedRepositoryContent.getId() ) )
 588         {
 589             // Maven Centric part ask evaluation if -SNAPSHOT
 590             String path = evaluatePathWithVersion( archivaLocator, managedRepositoryContent, request.getContextPath() );
 591             if ( path.startsWith( "/" ) )
 592             {
 593                 path = path.substring( 1 );
 594             }
 595             LogicalResource logicalResource = new LogicalResource( path );
 596             File resourceFile = new File( managedRepositoryContent.getRepoRoot(), path );
 597             resource =
 598                 new ArchivaDavResource( resourceFile.getAbsolutePath(), path, managedRepositoryContent.getRepository(),
 599                                         request.getRemoteAddr(), activePrincipal, request.getDavSession(),
 600                                         archivaLocator, this, mimeTypes, auditListeners, scheduler, fileLockManager );
 601
 602             if ( WebdavMethodUtil.isReadMethod( request.getMethod() ) )
 603             {
 604                 if ( archivaLocator.getHref( false ).endsWith( "/" ) && !resourceFile.isDirectory() )
 605                 {
 606                     // force a resource not found
 607                     throw new DavException( HttpServletResponse.SC_NOT_FOUND, "Resource does not exist" );
 608                 }
 609                 else
 610                 {
 611                     if ( !resource.isCollection() )
 612                     {
 613                         boolean previouslyExisted = resourceFile.exists();
 614
 615                         // Attempt to fetch the resource from any defined proxy.
 616                         boolean fromProxy =
 617                             fetchContentFromProxies( managedRepositoryContent, request, logicalResource );
 618
 619                         // At this point the incoming request can either be in default or
 620                         // legacy layout format.
 621                         try
 622                         {
 623                             // Perform an adjustment of the resource to the managed
 624                             // repository expected path.
 625                             String localResourcePath =
 626                                 repositoryRequest.toNativePath( logicalResource.getPath(), managedRepositoryContent );
 627                             resourceFile = new File( managedRepositoryContent.getRepoRoot(), localResourcePath );
 628                             resource =
 629                                 new ArchivaDavResource( resourceFile.getAbsolutePath(), logicalResource.getPath(),
 630                                                         managedRepositoryContent.getRepository(),
 631                                                         request.getRemoteAddr(), activePrincipal,
 632                                                         request.getDavSession(), archivaLocator, this, mimeTypes,
 633                                                         auditListeners, scheduler, fileLockManager );
 634                         }
 635                         catch ( LayoutException e )
 636                         {
 637                             if ( !resourceFile.exists() )
 638                             {
 639                                 throw new DavException( HttpServletResponse.SC_NOT_FOUND, e );
 640                             }
 641                         }
 642
 643                         if ( fromProxy )
 644                         {
 645                             String event = ( previouslyExisted ? AuditEvent.MODIFY_FILE : AuditEvent.CREATE_FILE )
 646                                 + PROXIED_SUFFIX;
 647
 648                             log.debug( "Proxied artifact '{}' in repository '{}' (current user '{}')",
 649                                        resourceFile.getName(), managedRepositoryContent.getId(), activePrincipal );
 650
 651                             triggerAuditEvent( request.getRemoteAddr(), archivaLocator.getRepositoryId(),
 652                                                logicalResource.getPath(), event, activePrincipal );
 653                         }
 654
 655                         if ( !resourceFile.exists() )
 656                         {
 657                             throw new DavException( HttpServletResponse.SC_NOT_FOUND, "Resource does not exist" );
 658                         }
 659                     }
 660                 }
 661             }
 662
 663             if ( request.getMethod().equals( HTTP_PUT_METHOD ) )
 664             {
 665                 String resourcePath = logicalResource.getPath();
 666
 667                 // check if target repo is enabled for releases
 668                 // we suppose that release-artifacts can be deployed only to repos enabled for releases
 669                 if ( managedRepositoryContent.getRepository().isReleases() && !repositoryRequest.isMetadata(
 670                     resourcePath ) && !repositoryRequest.isSupportFile( resourcePath ) )
 671                 {
 672                     ArtifactReference artifact = null;
 673                     try
 674                     {
 675                         artifact = managedRepositoryContent.toArtifactReference( resourcePath );
 676
 677                         if ( !VersionUtil.isSnapshot( artifact.getVersion() ) )
 678                         {
 679                             // check if artifact already exists and if artifact re-deployment to the repository is allowed
 680                             if ( managedRepositoryContent.hasContent( artifact )
 681                                 && managedRepositoryContent.getRepository().isBlockRedeployments() )
 682                             {
 683                                 log.warn( "Overwriting released artifacts in repository '{}' is not allowed.",
 684                                           managedRepositoryContent.getId() );
 685                                 throw new DavException( HttpServletResponse.SC_CONFLICT,
 686                                                         "Overwriting released artifacts is not allowed." );
 687                             }
 688                         }
 689                     }
 690                     catch ( LayoutException e )
 691                     {
 692                         log.warn( "Artifact path '{}' is invalid.", resourcePath );
 693                     }
 694                 }
 695
 696                 /*
 697                  * Create parent directories that don't exist when writing a file This actually makes this
 698                  * implementation not compliant to the WebDAV RFC - but we have enough knowledge about how the
 699                  * collection is being used to do this reasonably and some versions of Maven's WebDAV don't correctly
 700                  * create the collections themselves.
 701                  */
 702
 703                 File rootDirectory = new File( managedRepositoryContent.getRepoRoot() );
 704                 File destDir = new File( rootDirectory, logicalResource.getPath() ).getParentFile();
 705
 706                 if ( !destDir.exists() )
 707                 {
 708                     destDir.mkdirs();
 709                     String relPath = PathUtil.getRelative( rootDirectory.getAbsolutePath(), destDir );
 710
 711                     log.debug( "Creating destination directory '{}' (current user '{}')", destDir.getName(),
 712                                activePrincipal );
 713
 714                     triggerAuditEvent( request.getRemoteAddr(), managedRepositoryContent.getId(), relPath,
 715                                        AuditEvent.CREATE_DIR, activePrincipal );
 716                 }
 717             }
 718         }
 719         return resource;
 720     }
 721
 722     @Override
 723     public DavResource createResource( final DavResourceLocator locator, final DavSession davSession )
 724         throws DavException
 725     {
 726         ArchivaDavResourceLocator archivaLocator = checkLocatorIsInstanceOfRepositoryLocator( locator );
 727
 728         ManagedRepositoryContent managedRepositoryContent;
 729         try
 730         {
 731             managedRepositoryContent =
 732                 repositoryFactory.getManagedRepositoryContent( archivaLocator.getRepositoryId() );
 733         }
 734         catch ( RepositoryNotFoundException e )
 735         {
 736             throw new DavException( HttpServletResponse.SC_NOT_FOUND,
 737                                     "Invalid repository: " + archivaLocator.getRepositoryId() );
 738         }
 739         catch ( RepositoryException e )
 740         {
 741             throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e );
 742         }
 743
 744         DavResource resource = null;
 745         try
 746         {
 747             String logicalResource = getLogicalResource( archivaLocator, managedRepositoryAdmin.getManagedRepository(
 748                 archivaLocator.getRepositoryId() ), false );
 749             if ( logicalResource.startsWith( "/" ) )
 750             {
 751                 logicalResource = logicalResource.substring( 1 );
 752             }
 753             File resourceFile = new File( managedRepositoryContent.getRepoRoot(), logicalResource );
 754             resource = new ArchivaDavResource( resourceFile.getAbsolutePath(), logicalResource,
 755                                                managedRepositoryContent.getRepository(), davSession, archivaLocator,
 756                                                this, mimeTypes, auditListeners, scheduler, fileLockManager );
 757
 758             resource.addLockManager( lockManager );
 759         }
 760         catch ( RepositoryAdminException e )
 761         {
 762             throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e );
 763         }
 764         return resource;
 765     }
 766
 767     private boolean fetchContentFromProxies( ManagedRepositoryContent managedRepository, DavServletRequest request,
 768                                              LogicalResource resource )
 769         throws DavException
 770     {
 771         String path = resource.getPath();
 772         if ( repositoryRequest.isSupportFile( path ) )
 773         {
 774             File proxiedFile = connectors.fetchFromProxies( managedRepository, path );
 775
 776             return ( proxiedFile != null );
 777         }
 778
 779         // Is it a Metadata resource?
 780         if ( repositoryRequest.isDefault( path ) && repositoryRequest.isMetadata( path ) )
 781         {
 782             return connectors.fetchMetatadaFromProxies( managedRepository, path ) != null;
 783         }
 784
 785         // Is it an Archetype Catalog?
 786         if ( repositoryRequest.isArchetypeCatalog( path ) )
 787         {
 788             // FIXME we must implement a merge of remote archetype catalog from remote servers.
 789             File proxiedFile = connectors.fetchFromProxies( managedRepository, path );
 790
 791             return ( proxiedFile != null );
 792         }
 793
 794         // Not any of the above? Then it's gotta be an artifact reference.
 795         try
 796         {
 797             // Get the artifact reference in a layout neutral way.
 798             ArtifactReference artifact = repositoryRequest.toArtifactReference( path );
 799
 800             if ( artifact != null )
 801             {
 802                 String repositoryLayout = managedRepository.getRepository().getLayout();
 803
 804                 RepositoryStorage repositoryStorage =
 805                     this.applicationContext.getBean( "repositoryStorage#" + repositoryLayout, RepositoryStorage.class );
 806                 repositoryStorage.applyServerSideRelocation( managedRepository, artifact );
 807
 808                 File proxiedFile = connectors.fetchFromProxies( managedRepository, artifact );
 809
 810                 resource.setPath( managedRepository.toPath( artifact ) );
 811
 812                 log.debug( "Proxied artifact '{}:{}:{}'", artifact.getGroupId(), artifact.getArtifactId(),
 813                            artifact.getVersion() );
 814
 815                 return ( proxiedFile != null );
 816             }
 817         }
 818         catch ( LayoutException e )
 819         {
 820             /* eat it */
 821         }
 822         catch ( ProxyDownloadException e )
 823         {
 824             log.error( e.getMessage(), e );
 825             throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
 826                                     "Unable to fetch artifact resource." );
 827         }
 828         return false;
 829     }
 830
 831     // TODO: remove?
 832
 833     private void triggerAuditEvent( String remoteIP, String repositoryId, String resource, String action,
 834                                     String principal )
 835     {
 836         AuditEvent event = new AuditEvent( repositoryId, principal, resource, action );
 837         event.setRemoteIP( remoteIP );
 838
 839         for ( AuditListener listener : auditListeners )
 840         {
 841             listener.auditEvent( event );
 842         }
 843     }
 844
 845     @Override
 846     public void addAuditListener( AuditListener listener )
 847     {
 848         this.auditListeners.add( listener );
 849     }
 850
 851     @Override
 852     public void clearAuditListeners()
 853     {
 854         this.auditListeners.clear();
 855     }
 856
 857     @Override
 858     public void removeAuditListener( AuditListener listener )
 859     {
 860         this.auditListeners.remove( listener );
 861     }
 862
 863     private void setHeaders( DavServletResponse response, DavResourceLocator locator, DavResource resource )
 864     {
 865         // [MRM-503] - Metadata file need Pragma:no-cache response
 866         // header.
 867         if ( locator.getResourcePath().endsWith( "/maven-metadata.xml" ) || ( resource instanceof ArchivaDavResource
 868             && ( ArchivaDavResource.class.cast( resource ).getLocalResource().isDirectory() ) ) )
 869         {
 870             response.setHeader( "Pragma", "no-cache" );
 871             response.setHeader( "Cache-Control", "no-cache" );
 872             response.setDateHeader( "Last-Modified", new Date().getTime() );
 873         }
 874         // if the resource is a directory don't cache it as new groupId deployed will be available
 875         // without need of refreshing browser
 876         else if ( locator.getResourcePath().endsWith( "/maven-metadata.xml" ) || (
 877             resource instanceof ArchivaVirtualDavResource && ( new File(
 878                 ArchivaVirtualDavResource.class.cast( resource ).getLogicalResource() ).isDirectory() ) ) )
 879         {
 880             response.setHeader( "Pragma", "no-cache" );
 881             response.setHeader( "Cache-Control", "no-cache" );
 882             response.setDateHeader( "Last-Modified", new Date().getTime() );
 883         }
 884         else
 885         {
 886             // We need to specify this so connecting wagons can work correctly
 887             response.setDateHeader( "Last-Modified", resource.getModificationTime() );
 888         }
 889         // TODO: [MRM-524] determine http caching options for other types of files (artifacts, sha1, md5, snapshots)
 890     }
 891
 892     private ArchivaDavResourceLocator checkLocatorIsInstanceOfRepositoryLocator( DavResourceLocator locator )
 893         throws DavException
 894     {
 895         if ( !( locator instanceof ArchivaDavResourceLocator ) )
 896         {
 897             throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
 898                                     "Locator does not implement RepositoryLocator" );
 899         }
 900
 901         // Hidden paths
 902         if ( locator.getResourcePath().startsWith( ArchivaDavResource.HIDDEN_PATH_PREFIX ) )
 903         {
 904             throw new DavException( HttpServletResponse.SC_NOT_FOUND );
 905         }
 906
 907         ArchivaDavResourceLocator archivaLocator = (ArchivaDavResourceLocator) locator;
 908
 909         // MRM-419 - Windows Webdav support. Should not 404 if there is no content.
 910         if ( StringUtils.isEmpty( archivaLocator.getRepositoryId() ) )
 911         {
 912             throw new DavException( HttpServletResponse.SC_NO_CONTENT );
 913         }
 914         return archivaLocator;
 915     }
 916
 917     private static class LogicalResource
 918     {
 919         private String path;
 920
 921         public LogicalResource( String path )
 922         {
 923             this.path = path;
 924         }
 925
 926         public String getPath()
 927         {
 928             return path;
 929         }
 930
 931         public void setPath( String path )
 932         {
 933             this.path = path;
 934         }
 935     }
 936
 937     protected boolean isAuthorized( DavServletRequest request, String repositoryId )
 938         throws DavException
 939     {
 940         try
 941         {
 942             AuthenticationResult result = httpAuth.getAuthenticationResult( request, null );
 943             SecuritySession securitySession = httpAuth.getSecuritySession( request.getSession( true ) );
 944
 945             return servletAuth.isAuthenticated( request, result ) && servletAuth.isAuthorized( request, securitySession,
 946                                                                                                repositoryId,
 947                                                                                                WebdavMethodUtil.getMethodPermission(
 948                                                                                                    request.getMethod() )
 949             );
 950         }
 951         catch ( AuthenticationException e )
 952         {
 953             // safety check for MRM-911
 954             String guest = UserManager.GUEST_USERNAME;
 955             try
 956             {
 957                 if ( servletAuth.isAuthorized( guest,
 958                                                ( (ArchivaDavResourceLocator) request.getRequestLocator() ).getRepositoryId(),
 959                                                WebdavMethodUtil.getMethodPermission( request.getMethod() ) ) )
 960                 {
 961                     return true;
 962                 }
 963             }
 964             catch ( UnauthorizedException ae )
 965             {
 966                 throw new UnauthorizedDavException( repositoryId,
 967                                                     "You are not authenticated and authorized to access any repository." );
 968             }
 969
 970             throw new UnauthorizedDavException( repositoryId, "You are not authenticated" );
 971         }
 972         catch ( MustChangePasswordException e )
 973         {
 974             throw new UnauthorizedDavException( repositoryId, "You must change your password." );
 975         }
 976         catch ( AccountLockedException e )
 977         {
 978             throw new UnauthorizedDavException( repositoryId, "User account is locked." );
 979         }
 980         catch ( AuthorizationException e )
 981         {
 982             throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
 983                                     "Fatal Authorization Subsystem Error." );
 984         }
 985         catch ( UnauthorizedException e )
 986         {
 987             throw new UnauthorizedDavException( repositoryId, e.getMessage() );
 988         }
 989     }
 990
 991     private DavResource getResourceFromGroup( DavServletRequest request, List<String> repositories,
 992                                               ArchivaDavResourceLocator locator,
 993                                               RepositoryGroupConfiguration repositoryGroupConfiguration )
 994         throws DavException, RepositoryAdminException
 995     {
 996         if ( repositoryGroupConfiguration.getRepositories() == null
 997             || repositoryGroupConfiguration.getRepositories().isEmpty() )
 998         {
 999             File file =
1000                 new File( System.getProperty( "appserver.base" ), "groups/" + repositoryGroupConfiguration.getId() );
1001
1002             return new ArchivaDavResource( file.getPath(), "groups/" + repositoryGroupConfiguration.getId(), null,
1003                                            request.getDavSession(), locator, this, mimeTypes, auditListeners, scheduler,
1004                                            fileLockManager );
1005         }
1006         List<File> mergedRepositoryContents = new ArrayList<>();
1007         // multiple repo types so we guess they are all the same type
1008         // so use the first one
1009         // FIXME add a method with group in the repository storage
1010         String firstRepoId = repositoryGroupConfiguration.getRepositories().get( 0 );
1011
1012         String path = getLogicalResource( locator, managedRepositoryAdmin.getManagedRepository( firstRepoId ), false );
1013         if ( path.startsWith( "/" ) )
1014         {
1015             path = path.substring( 1 );
1016         }
1017         LogicalResource logicalResource = new LogicalResource( path );
1018
1019         // flow:
1020         // if the current user logged in has permission to any of the repositories, allow user to
1021         // browse the repo group but displaying only the repositories which the user has permission to access.
1022         // otherwise, prompt for authentication.
1023
1024         String activePrincipal = getActivePrincipal( request );
1025
1026         boolean allow = isAllowedToContinue( request, repositories, activePrincipal );
1027
1028         // remove last /
1029         String pathInfo = StringUtils.removeEnd( request.getPathInfo(), "/" );
1030
1031         if ( allow )
1032         {
1033
1034             if ( StringUtils.endsWith( pathInfo, repositoryGroupConfiguration.getMergedIndexPath() ) )
1035             {
1036                 File mergedRepoDir =
1037                     buildMergedIndexDirectory( repositories, activePrincipal, request, repositoryGroupConfiguration );
1038                 mergedRepositoryContents.add( mergedRepoDir );
1039             }
1040             else
1041             {
1042                 if ( StringUtils.equalsIgnoreCase( pathInfo, "/" + repositoryGroupConfiguration.getId() ) )
1043                 {
1044                     File tmpDirectory = new File( SystemUtils.getJavaIoTmpDir(),
1045                                                   repositoryGroupConfiguration.getId() + "/"
1046                                                       + repositoryGroupConfiguration.getMergedIndexPath()
1047                     );
1048                     if ( !tmpDirectory.exists() )
1049                     {
1050                         synchronized ( tmpDirectory.getAbsolutePath() )
1051                         {
1052                             if ( !tmpDirectory.exists() )
1053                             {
1054                                 tmpDirectory.mkdirs();
1055                             }
1056                         }
1057                     }
1058                     mergedRepositoryContents.add( tmpDirectory.getParentFile() );
1059                 }
1060                 for ( String repository : repositories )
1061                 {
1062                     ManagedRepositoryContent managedRepository = null;
1063
1064                     try
1065                     {
1066                         managedRepository = repositoryFactory.getManagedRepositoryContent( repository );
1067                     }
1068                     catch ( RepositoryNotFoundException e )
1069                     {
1070                         throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
1071                                                 "Invalid managed repository <" + repository + ">: " + e.getMessage() );
1072                     }
1073                     catch ( RepositoryException e )
1074                     {
1075                         throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
1076                                                 "Invalid managed repository <" + repository + ">: " + e.getMessage() );
1077                     }
1078
1079                     File resourceFile = new File( managedRepository.getRepoRoot(), logicalResource.getPath() );
1080                     if ( resourceFile.exists() )
1081                     {
1082                         // in case of group displaying index directory doesn't have sense !!
1083                         String repoIndexDirectory = managedRepository.getRepository().getIndexDirectory();
1084                         if ( StringUtils.isNotEmpty( repoIndexDirectory ) )
1085                         {
1086                             if ( !new File( repoIndexDirectory ).isAbsolute() )
1087                             {
1088                                 repoIndexDirectory = new File( managedRepository.getRepository().getLocation(),
1089                                                                StringUtils.isEmpty( repoIndexDirectory )
1090                                                                    ? ".indexer"
1091                                                                    : repoIndexDirectory
1092                                 ).getAbsolutePath();
1093                             }
1094                         }
1095                         if ( StringUtils.isEmpty( repoIndexDirectory ) )
1096                         {
1097                             repoIndexDirectory = new File( managedRepository.getRepository().getLocation(),
1098                                                            ".indexer" ).getAbsolutePath();
1099                         }
1100
1101                         if ( !StringUtils.equals( FilenameUtils.normalize( repoIndexDirectory ),
1102                                                   FilenameUtils.normalize( resourceFile.getAbsolutePath() ) ) )
1103                         {
1104                             // for prompted authentication
1105                             if ( httpAuth.getSecuritySession( request.getSession( true ) ) != null )
1106                             {
1107                                 try
1108                                 {
1109                                     if ( isAuthorized( request, repository ) )
1110                                     {
1111                                         mergedRepositoryContents.add( resourceFile );
1112                                         log.debug( "Repository '{}' accessed by '{}'", repository, activePrincipal );
1113                                     }
1114                                 }
1115                                 catch ( DavException e )
1116                                 {
1117                                     // TODO: review exception handling
1118
1119                                     log.debug( "Skipping repository '{}' for user '{}': {}", managedRepository,
1120                                                activePrincipal, e.getMessage() );
1121
1122                                 }
1123
1124                             }
1125                             else
1126                             {
1127                                 // for the current user logged in
1128                                 try
1129                                 {
1130                                     if ( servletAuth.isAuthorized( activePrincipal, repository,
1131                                                                    WebdavMethodUtil.getMethodPermission(
1132                                                                        request.getMethod() )
1133                                     ) )
1134                                     {
1135                                         mergedRepositoryContents.add( resourceFile );
1136                                         log.debug( "Repository '{}' accessed by '{}'", repository, activePrincipal );
1137                                     }
1138                                 }
1139                                 catch ( UnauthorizedException e )
1140                                 {
1141                                     // TODO: review exception handling
1142
1143                                     log.debug( "Skipping repository '{}' for user '{}': {}", managedRepository,
1144                                                activePrincipal, e.getMessage() );
1145
1146                                 }
1147                             }
1148                         }
1149                     }
1150                 }
1151             }
1152         }
1153         else
1154         {
1155             throw new UnauthorizedDavException( locator.getRepositoryId(), "User not authorized." );
1156         }
1157
1158         ArchivaVirtualDavResource resource =
1159             new ArchivaVirtualDavResource( mergedRepositoryContents, logicalResource.getPath(), mimeTypes, locator,
1160                                            this );
1161
1162         // compatibility with MRM-440 to ensure browsing the repository group works ok
1163         if ( resource.isCollection() && !request.getRequestURI().endsWith( "/" ) )
1164         {
1165             throw new BrowserRedirectException( resource.getHref() );
1166         }
1167
1168         return resource;
1169     }
1170
1171     protected String getActivePrincipal( DavServletRequest request )
1172     {
1173         User sessionUser = httpAuth.getSessionUser( request.getSession() );
1174         return sessionUser != null ? sessionUser.getUsername() : UserManager.GUEST_USERNAME;
1175     }
1176
1177     /**
1178      * Check if the current user is authorized to access any of the repos
1179      *
1180      * @param request
1181      * @param repositories
1182      * @param activePrincipal
1183      * @return
1184      */
1185     private boolean isAllowedToContinue( DavServletRequest request, List<String> repositories, String activePrincipal )
1186     {
1187         // when no repositories configured it's impossible to browse nothing !
1188         // at least make possible to see nothing :-)
1189         if ( repositories == null || repositories.isEmpty() )
1190         {
1191             return true;
1192         }
1193
1194         boolean allow = false;
1195
1196         // if securitySession != null, it means that the user was prompted for authentication
1197         if ( httpAuth.getSecuritySession( request.getSession() ) != null )
1198         {
1199             for ( String repository : repositories )
1200             {
1201                 try
1202                 {
1203                     if ( isAuthorized( request, repository ) )
1204                     {
1205                         allow = true;
1206                         break;
1207                     }
1208                 }
1209                 catch ( DavException e )
1210                 {
1211                     continue;
1212                 }
1213             }
1214         }
1215         else
1216         {
1217             for ( String repository : repositories )
1218             {
1219                 try
1220                 {
1221                     if ( servletAuth.isAuthorized( activePrincipal, repository,
1222                                                    WebdavMethodUtil.getMethodPermission( request.getMethod() ) ) )
1223                     {
1224                         allow = true;
1225                         break;
1226                     }
1227                 }
1228                 catch ( UnauthorizedException e )
1229                 {
1230                     continue;
1231                 }
1232             }
1233         }
1234
1235         return allow;
1236     }
1237
1238     private File writeMergedMetadataToFile( ArchivaRepositoryMetadata mergedMetadata, String outputFilename )
1239         throws RepositoryMetadataException, DigesterException, IOException
1240     {
1241         File outputFile = new File( outputFilename );
1242         if ( outputFile.exists() )
1243         {
1244             FileUtils.deleteQuietly( outputFile );
1245         }
1246
1247         outputFile.getParentFile().mkdirs();
1248         RepositoryMetadataWriter.write( mergedMetadata, outputFile );
1249
1250         createChecksumFile( outputFilename, digestSha1 );
1251         createChecksumFile( outputFilename, digestMd5 );
1252
1253         return outputFile;
1254     }
1255
1256     private void createChecksumFile( String path, Digester digester )
1257         throws DigesterException, IOException
1258     {
1259         File checksumFile = new File( path + digester.getFilenameExtension() );
1260         if ( !checksumFile.exists() )
1261         {
1262             FileUtils.deleteQuietly( checksumFile );
1263             checksum.createChecksum( new File( path ), digester );
1264         }
1265         else if ( !checksumFile.isFile() )
1266         {
1267             log.error( "Checksum file is not a file." );
1268         }
1269     }
1270
1271     private boolean isProjectReference( String requestedResource )
1272     {
1273         try
1274         {
1275             metadataTools.toVersionedReference( requestedResource );
1276             return false;
1277         }
1278         catch ( RepositoryMetadataException re )
1279         {
1280             return true;
1281         }
1282     }
1283
1284     protected File buildMergedIndexDirectory( List<String> repositories, String activePrincipal,
1285                                               DavServletRequest request,
1286                                               RepositoryGroupConfiguration repositoryGroupConfiguration )
1287         throws DavException
1288     {
1289
1290         try
1291         {
1292             HttpSession session = request.getSession();
1293
1294             Map<String, TemporaryGroupIndex> temporaryGroupIndexMap =
1295                 (Map<String, TemporaryGroupIndex>) session.getAttribute(
1296                     TemporaryGroupIndexSessionCleaner.TEMPORARY_INDEX_SESSION_KEY );
1297             if ( temporaryGroupIndexMap == null )
1298             {
1299                 temporaryGroupIndexMap = new HashMap<>();
1300             }
1301
1302             TemporaryGroupIndex tmp = temporaryGroupIndexMap.get( repositoryGroupConfiguration.getId() );
1303
1304             if ( tmp != null && tmp.getDirectory() != null && tmp.getDirectory().exists() )
1305             {
1306                 if ( System.currentTimeMillis() - tmp.getCreationTime() > (
1307                     repositoryGroupConfiguration.getMergedIndexTtl() * 60 * 1000 ) )
1308                 {
1309                     log.debug( MarkerFactory.getMarker( "group.merged.index" ),
1310                                "tmp group index '{}' is too old so delete it", repositoryGroupConfiguration.getId() );
1311                     indexMerger.cleanTemporaryGroupIndex( tmp );
1312                 }
1313                 else
1314                 {
1315                     log.debug( MarkerFactory.getMarker( "group.merged.index" ),
1316                                "merged index for group '{}' found in cache", repositoryGroupConfiguration.getId() );
1317                     return tmp.getDirectory();
1318                 }
1319             }
1320
1321             Set<String> authzRepos = new HashSet<String>();
1322
1323             String permission = WebdavMethodUtil.getMethodPermission( request.getMethod() );
1324
1325             for ( String repository : repositories )
1326             {
1327                 try
1328                 {
1329                     if ( servletAuth.isAuthorized( activePrincipal, repository, permission ) )
1330                     {
1331                         authzRepos.add( repository );
1332                         authzRepos.addAll( this.repositorySearch.getRemoteIndexingContextIds( repository ) );
1333                     }
1334                 }
1335                 catch ( UnauthorizedException e )
1336                 {
1337                     // TODO: review exception handling
1338
1339                     log.debug( "Skipping repository '{}' for user '{}': {}", repository, activePrincipal,
1340                                e.getMessage() );
1341                 }
1342             }
1343             log.info( "generate temporary merged index for repository group '{}' for repositories '{}'",
1344                       repositoryGroupConfiguration.getId(), authzRepos );
1345
1346             File tempRepoFile = Files.createTempDir();
1347             tempRepoFile.deleteOnExit();
1348
1349             IndexMergerRequest indexMergerRequest =
1350                 new IndexMergerRequest( authzRepos, true, repositoryGroupConfiguration.getId(),
1351                                         repositoryGroupConfiguration.getMergedIndexPath(),
1352                                         repositoryGroupConfiguration.getMergedIndexTtl() ).mergedIndexDirectory(
1353                     tempRepoFile ).temporary( true );
1354
1355             MergedRemoteIndexesTaskRequest taskRequest =
1356                 new MergedRemoteIndexesTaskRequest( indexMergerRequest, indexMerger );
1357
1358             MergedRemoteIndexesTask job = new MergedRemoteIndexesTask( taskRequest );
1359
1360             IndexingContext indexingContext = job.execute().getIndexingContext();
1361
1362             File mergedRepoDir = indexingContext.getIndexDirectoryFile();
1363             TemporaryGroupIndex temporaryGroupIndex =
1364                 new TemporaryGroupIndex( mergedRepoDir, indexingContext.getId(), repositoryGroupConfiguration.getId(),
1365                                          repositoryGroupConfiguration.getMergedIndexTtl() ).setCreationTime(
1366                     new Date().getTime() );
1367             temporaryGroupIndexMap.put( repositoryGroupConfiguration.getId(), temporaryGroupIndex );
1368             session.setAttribute( TemporaryGroupIndexSessionCleaner.TEMPORARY_INDEX_SESSION_KEY,
1369                                   temporaryGroupIndexMap );
1370             return mergedRepoDir;
1371         }
1372         catch ( RepositoryAdminException e )
1373         {
1374             throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e );
1375         }
1376         catch ( IndexMergerException e )
1377         {
1378             throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e );
1379         }
1380     }
1381
1382
1383     public void setServletAuth( ServletAuthenticator servletAuth )
1384     {
1385         this.servletAuth = servletAuth;
1386     }
1387
1388     public void setHttpAuth( HttpAuthenticator httpAuth )
1389     {
1390         this.httpAuth = httpAuth;
1391     }
1392
1393     public void setScheduler( RepositoryArchivaTaskScheduler scheduler )
1394     {
1395         this.scheduler = scheduler;
1396     }
1397
1398     public void setArchivaConfiguration( ArchivaConfiguration archivaConfiguration )
1399     {
1400         this.archivaConfiguration = archivaConfiguration;
1401     }
1402
1403     public void setRepositoryFactory( RepositoryContentFactory repositoryFactory )
1404     {
1405         this.repositoryFactory = repositoryFactory;
1406     }
1407
1408     public void setRepositoryRequest( RepositoryRequest repositoryRequest )
1409     {
1410         this.repositoryRequest = repositoryRequest;
1411     }
1412
1413     public void setConnectors( RepositoryProxyConnectors connectors )
1414     {
1415         this.connectors = connectors;
1416     }
1417
1418     public RemoteRepositoryAdmin getRemoteRepositoryAdmin()
1419     {
1420         return remoteRepositoryAdmin;
1421     }
1422
1423     public void setRemoteRepositoryAdmin( RemoteRepositoryAdmin remoteRepositoryAdmin )
1424     {
1425         this.remoteRepositoryAdmin = remoteRepositoryAdmin;
1426     }
1427
1428     public ManagedRepositoryAdmin getManagedRepositoryAdmin()
1429     {
1430         return managedRepositoryAdmin;
1431     }
1432
1433     public void setManagedRepositoryAdmin( ManagedRepositoryAdmin managedRepositoryAdmin )
1434     {
1435         this.managedRepositoryAdmin = managedRepositoryAdmin;
1436     }
1437 }