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.Auditable;
  28 import org.apache.archiva.common.filelock.FileLockManager;
  29 import org.apache.archiva.common.plexusbridge.PlexusSisuBridge;
  30 import org.apache.archiva.common.plexusbridge.PlexusSisuBridgeException;
  31 import org.apache.archiva.common.utils.PathUtil;
  32 import org.apache.archiva.common.utils.VersionUtil;
  33 import org.apache.archiva.configuration.ArchivaConfiguration;
  34 import org.apache.archiva.configuration.RepositoryGroupConfiguration;
  35 import org.apache.archiva.indexer.merger.IndexMerger;
  36 import org.apache.archiva.indexer.merger.IndexMergerException;
  37 import org.apache.archiva.indexer.merger.IndexMergerRequest;
  38 import org.apache.archiva.indexer.merger.MergedRemoteIndexesTask;
  39 import org.apache.archiva.indexer.merger.MergedRemoteIndexesTaskRequest;
  40 import org.apache.archiva.indexer.merger.TemporaryGroupIndex;
  41 import org.apache.archiva.indexer.search.RepositorySearch;
  42 import org.apache.archiva.maven2.metadata.MavenMetadataReader;
  43 import org.apache.archiva.metadata.model.facets.AuditEvent;
  44 import org.apache.archiva.metadata.repository.storage.RelocationException;
  45 import org.apache.archiva.metadata.repository.storage.RepositoryStorage;
  46 import org.apache.archiva.model.ArchivaRepositoryMetadata;
  47 import org.apache.archiva.model.ArtifactReference;
  48 import org.apache.archiva.policies.ProxyDownloadException;
  49 import org.apache.archiva.proxy.model.RepositoryProxyConnectors;
  50 import org.apache.archiva.redback.authentication.AuthenticationException;
  51 import org.apache.archiva.redback.authentication.AuthenticationResult;
  52 import org.apache.archiva.redback.authorization.AuthorizationException;
  53 import org.apache.archiva.redback.authorization.UnauthorizedException;
  54 import org.apache.archiva.redback.integration.filter.authentication.HttpAuthenticator;
  55 import org.apache.archiva.redback.policy.AccountLockedException;
  56 import org.apache.archiva.redback.policy.MustChangePasswordException;
  57 import org.apache.archiva.redback.system.SecuritySession;
  58 import org.apache.archiva.redback.users.User;
  59 import org.apache.archiva.redback.users.UserManager;
  60 import org.apache.archiva.repository.ManagedRepositoryContent;
  61 import org.apache.archiva.repository.RepositoryContentFactory;
  62 import org.apache.archiva.repository.RepositoryException;
  63 import org.apache.archiva.repository.RepositoryNotFoundException;
  64 import org.apache.archiva.repository.content.legacy.LegacyPathParser;
  65 import org.apache.archiva.repository.content.maven2.RepositoryRequest;
  66 import org.apache.archiva.repository.events.AuditListener;
  67 import org.apache.archiva.repository.layout.LayoutException;
  68 import org.apache.archiva.repository.metadata.MetadataTools;
  69 import org.apache.archiva.repository.metadata.RepositoryMetadataException;
  70 import org.apache.archiva.repository.metadata.RepositoryMetadataMerge;
  71 import org.apache.archiva.repository.metadata.RepositoryMetadataWriter;
  72 import org.apache.archiva.scheduler.repository.model.RepositoryArchivaTaskScheduler;
  73 import org.apache.archiva.security.ServletAuthenticator;
  74 import org.apache.archiva.webdav.util.MimeTypes;
  75 import org.apache.archiva.webdav.util.TemporaryGroupIndexSessionCleaner;
  76 import org.apache.archiva.webdav.util.WebdavMethodUtil;
  77 import org.apache.archiva.xml.XMLException;
  78 import org.apache.commons.io.FileUtils;
  79 import org.apache.commons.io.FilenameUtils;
  80 import org.apache.commons.lang.StringUtils;
  81 import org.apache.commons.lang.SystemUtils;
  82 import org.apache.jackrabbit.webdav.DavException;
  83 import org.apache.jackrabbit.webdav.DavResource;
  84 import org.apache.jackrabbit.webdav.DavResourceFactory;
  85 import org.apache.jackrabbit.webdav.DavResourceLocator;
  86 import org.apache.jackrabbit.webdav.DavServletRequest;
  87 import org.apache.jackrabbit.webdav.DavServletResponse;
  88 import org.apache.jackrabbit.webdav.DavSession;
  89 import org.apache.jackrabbit.webdav.lock.LockManager;
  90 import org.apache.jackrabbit.webdav.lock.SimpleLockManager;
  91 import org.apache.maven.index.context.IndexingContext;
  92 import org.codehaus.plexus.digest.ChecksumFile;
  93 import org.codehaus.plexus.digest.Digester;
  94 import org.codehaus.plexus.digest.DigesterException;
  95 import org.slf4j.Logger;
  96 import org.slf4j.LoggerFactory;
  97 import org.slf4j.MarkerFactory;
  98 import org.springframework.context.ApplicationContext;
  99 import org.springframework.stereotype.Service;
 100
 101 import javax.annotation.PostConstruct;
 102 import javax.inject.Inject;
 103 import javax.inject.Named;
 104 import javax.servlet.http.HttpServletResponse;
 105 import javax.servlet.http.HttpSession;
 106 import java.io.File;
 107 import java.io.IOException;
 108 import java.nio.file.Files;
 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, true );
 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(), //
 283                                                        locator.getResourcePath(), //
 284                                                        null, //
 285                                                        request.getRemoteAddr(), //
 286                                                        activePrincipal, //
 287                                                        request.getDavSession(), //
 288                                                        archivaLocator, //
 289                                                        this, //
 290                                                        mimeTypes, //
 291                                                        auditListeners, //
 292                                                        scheduler, //
 293                                                        fileLockManager );
 294                     setHeaders( response, locator, resource, false );
 295                     return resource;
 296                 }
 297             }
 298             catch ( RepositoryAdminException e )
 299             {
 300                 log.debug( "RepositoryException remote repository with d'{}' not found, msg: {}",
 301                            archivaLocator.getRepositoryId(), e.getMessage() );
 302             }
 303
 304             ManagedRepositoryContent managedRepositoryContent = null;
 305
 306             try
 307             {
 308                 managedRepositoryContent =
 309                     repositoryFactory.getManagedRepositoryContent( archivaLocator.getRepositoryId() );
 310             }
 311             catch ( RepositoryNotFoundException e )
 312             {
 313                 throw new DavException( HttpServletResponse.SC_NOT_FOUND,
 314                                         "Invalid repository: " + archivaLocator.getRepositoryId() );
 315             }
 316             catch ( RepositoryException e )
 317             {
 318                 throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e );
 319             }
 320
 321             log.debug( "Managed repository '{}' accessed by '{}'", managedRepositoryContent.getId(), activePrincipal );
 322
 323             try
 324             {
 325                 resource = processRepository( request, archivaLocator, activePrincipal, managedRepositoryContent,
 326                                               managedRepositoryAdmin.getManagedRepository(
 327                                                   archivaLocator.getRepositoryId() ) );
 328
 329                 String logicalResource = getLogicalResource( archivaLocator, null, false );
 330                 resourcesInAbsolutePath.add(
 331                     new File( managedRepositoryContent.getRepoRoot(), logicalResource ).getAbsolutePath() );
 332
 333             }
 334             catch ( RepositoryAdminException e )
 335             {
 336                 throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e );
 337             }
 338         }
 339
 340         String requestedResource = request.getRequestURI();
 341
 342         // MRM-872 : merge all available metadata
 343         // merge metadata only when requested via the repo group
 344         if ( ( repositoryRequest.isMetadata( requestedResource ) || repositoryRequest.isMetadataSupportFile(
 345             requestedResource ) ) && repoGroupConfig != null )
 346         {
 347             // this should only be at the project level not version level!
 348             if ( isProjectReference( requestedResource ) )
 349             {
 350
 351                 ArchivaDavResource res = (ArchivaDavResource) resource;
 352                 String filePath =
 353                     StringUtils.substringBeforeLast( res.getLocalResource().getAbsolutePath().replace( '\\', '/' ),
 354                                                      "/" );
 355                 filePath = filePath + "/maven-metadata-" + repoGroupConfig.getId() + ".xml";
 356
 357                 // for MRM-872 handle checksums of the merged metadata files
 358                 if ( repositoryRequest.isSupportFile( requestedResource ) )
 359                 {
 360                     File metadataChecksum =
 361                         new File( filePath + "." + StringUtils.substringAfterLast( requestedResource, "." ) );
 362
 363                     if ( metadataChecksum.exists() )
 364                     {
 365                         LogicalResource logicalResource =
 366                             new LogicalResource( getLogicalResource( archivaLocator, null, false ) );
 367
 368                         resource =
 369                             new ArchivaDavResource( metadataChecksum.getAbsolutePath(), logicalResource.getPath(), null,
 370                                                     request.getRemoteAddr(), activePrincipal, request.getDavSession(),
 371                                                     archivaLocator, this, mimeTypes, auditListeners, scheduler,
 372                                                     fileLockManager );
 373                     }
 374                 }
 375                 else
 376                 {
 377                     if ( resourcesInAbsolutePath != null && resourcesInAbsolutePath.size() > 1 )
 378                     {
 379                         // merge the metadata of all repos under group
 380                         ArchivaRepositoryMetadata mergedMetadata = new ArchivaRepositoryMetadata();
 381                         for ( String resourceAbsPath : resourcesInAbsolutePath )
 382                         {
 383                             try
 384                             {
 385                                 File metadataFile = new File( resourceAbsPath );
 386                                 ArchivaRepositoryMetadata repoMetadata = MavenMetadataReader.read( metadataFile );
 387                                 mergedMetadata = RepositoryMetadataMerge.merge( mergedMetadata, repoMetadata );
 388                             }
 389                             catch ( XMLException e )
 390                             {
 391                                 throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
 392                                                         "Error occurred while reading metadata file." );
 393                             }
 394                             catch ( RepositoryMetadataException r )
 395                             {
 396                                 throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
 397                                                         "Error occurred while merging metadata file." );
 398                             }
 399                         }
 400
 401                         try
 402                         {
 403                             File resourceFile = writeMergedMetadataToFile( mergedMetadata, filePath );
 404
 405                             LogicalResource logicalResource =
 406                                 new LogicalResource( getLogicalResource( archivaLocator, null, false ) );
 407
 408                             resource =
 409                                 new ArchivaDavResource( resourceFile.getAbsolutePath(), logicalResource.getPath(), null,
 410                                                         request.getRemoteAddr(), activePrincipal,
 411                                                         request.getDavSession(), archivaLocator, this, mimeTypes,
 412                                                         auditListeners, scheduler, fileLockManager );
 413                         }
 414                         catch ( RepositoryMetadataException r )
 415                         {
 416                             throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
 417                                                     "Error occurred while writing metadata file." );
 418                         }
 419                         catch ( IOException ie )
 420                         {
 421                             throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
 422                                                     "Error occurred while generating checksum files." );
 423                         }
 424                         catch ( DigesterException de )
 425                         {
 426                             throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
 427                                                     "Error occurred while generating checksum files."
 428                                                         + de.getMessage() );
 429                         }
 430                     }
 431                 }
 432             }
 433         }
 434
 435         setHeaders( response, locator, resource, false );
 436
 437         // compatibility with MRM-440 to ensure browsing the repository works ok
 438         if ( resource.isCollection() && !request.getRequestURI().endsWith( "/" ) )
 439         {
 440             throw new BrowserRedirectException( resource.getHref() );
 441         }
 442         resource.addLockManager( lockManager );
 443         return resource;
 444     }
 445
 446     private DavResource processRepositoryGroup( final DavServletRequest request,
 447                                                 ArchivaDavResourceLocator archivaLocator, List<String> repositories,
 448                                                 String activePrincipal, List<String> resourcesInAbsolutePath,
 449                                                 RepositoryGroupConfiguration repoGroupConfig )
 450         throws DavException
 451     {
 452         DavResource resource = null;
 453         List<DavException> storedExceptions = new ArrayList<>();
 454
 455         String pathInfo = StringUtils.removeEnd( request.getPathInfo(), "/" );
 456
 457         String rootPath = StringUtils.substringBeforeLast( pathInfo, "/" );
 458
 459         if ( StringUtils.endsWith( rootPath, repoGroupConfig.getMergedIndexPath() ) )
 460         {
 461             // we are in the case of index file request
 462             String requestedFileName = StringUtils.substringAfterLast( pathInfo, "/" );
 463             File temporaryIndexDirectory =
 464                 buildMergedIndexDirectory( repositories, activePrincipal, request, repoGroupConfig );
 465
 466             File resourceFile = new File( temporaryIndexDirectory, requestedFileName );
 467             resource = new ArchivaDavResource( resourceFile.getAbsolutePath(), requestedFileName, null,
 468                                                request.getRemoteAddr(), activePrincipal, request.getDavSession(),
 469                                                archivaLocator, this, mimeTypes, auditListeners, scheduler,
 470                                                fileLockManager );
 471
 472         }
 473         else
 474         {
 475             for ( String repositoryId : repositories )
 476             {
 477                 ManagedRepositoryContent managedRepositoryContent;
 478                 try
 479                 {
 480                     managedRepositoryContent = repositoryFactory.getManagedRepositoryContent( repositoryId );
 481                 }
 482                 catch ( RepositoryNotFoundException e )
 483                 {
 484                     throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e );
 485                 }
 486                 catch ( RepositoryException e )
 487                 {
 488                     throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e );
 489                 }
 490
 491                 try
 492                 {
 493                     ManagedRepository managedRepository = managedRepositoryAdmin.getManagedRepository( repositoryId );
 494                     DavResource updatedResource =
 495                         processRepository( request, archivaLocator, activePrincipal, managedRepositoryContent,
 496                                            managedRepository );
 497                     if ( resource == null )
 498                     {
 499                         resource = updatedResource;
 500                     }
 501
 502                     String logicalResource = getLogicalResource( archivaLocator, null, false );
 503                     if ( logicalResource.endsWith( "/" ) )
 504                     {
 505                         logicalResource = logicalResource.substring( 1 );
 506                     }
 507                     resourcesInAbsolutePath.add(
 508                         new File( managedRepositoryContent.getRepoRoot(), logicalResource ).getAbsolutePath() );
 509                 }
 510                 catch ( DavException e )
 511                 {
 512                     storedExceptions.add( e );
 513                 }
 514                 catch ( RepositoryAdminException e )
 515                 {
 516                     storedExceptions.add( new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e ) );
 517                 }
 518             }
 519         }
 520         if ( resource == null )
 521         {
 522             if ( !storedExceptions.isEmpty() )
 523             {
 524                 // MRM-1232
 525                 for ( DavException e : storedExceptions )
 526                 {
 527                     if ( 401 == e.getErrorCode() )
 528                     {
 529                         throw e;
 530                     }
 531                 }
 532
 533                 throw new DavException( HttpServletResponse.SC_NOT_FOUND );
 534             }
 535             else
 536             {
 537                 throw new DavException( HttpServletResponse.SC_NOT_FOUND );
 538             }
 539         }
 540         return resource;
 541     }
 542
 543     private String getLogicalResource( ArchivaDavResourceLocator archivaLocator, ManagedRepository managedRepository,
 544                                        boolean useOrigResourcePath )
 545     {
 546         // FIXME remove this hack
 547         // but currently managedRepository can be null in case of group
 548         String layout = managedRepository == null ? new ManagedRepository().getLayout() : managedRepository.getLayout();
 549         RepositoryStorage repositoryStorage =
 550             this.applicationContext.getBean( "repositoryStorage#" + layout, RepositoryStorage.class );
 551         String path = repositoryStorage.getFilePath(
 552             useOrigResourcePath ? archivaLocator.getOrigResourcePath() : archivaLocator.getResourcePath(),
 553             managedRepository );
 554         log.debug( "found path {} for resourcePath: '{}' with managedRepo '{}' and layout '{}'", path,
 555                    archivaLocator.getResourcePath(), managedRepository == null ? "null" : managedRepository.getId(),
 556                    layout );
 557         return path;
 558     }
 559
 560     private String evaluatePathWithVersion( ArchivaDavResourceLocator archivaLocator, //
 561                                             ManagedRepositoryContent managedRepositoryContent, //
 562                                             String contextPath )
 563         throws DavException
 564     {
 565         String layout = managedRepositoryContent.getRepository() == null
 566             ? new ManagedRepository().getLayout()
 567             : managedRepositoryContent.getRepository().getLayout();
 568         RepositoryStorage repositoryStorage =
 569             this.applicationContext.getBean( "repositoryStorage#" + layout, RepositoryStorage.class );
 570         try
 571         {
 572             return repositoryStorage.getFilePathWithVersion( archivaLocator.getResourcePath(), //
 573                                                              managedRepositoryContent );
 574         }
 575         catch ( RelocationException e )
 576         {
 577             String path = e.getPath();
 578             log.debug( "Relocation to {}", path );
 579
 580             throw new BrowserRedirectException( contextPath + ( StringUtils.startsWith( path, "/" ) ? "" : "/" ) + path,
 581                                                 e.getRelocationType() );
 582         }
 583         catch ( XMLException e )
 584         {
 585             log.error( e.getMessage(), e );
 586             throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e );
 587         }
 588     }
 589
 590     private DavResource processRepository( final DavServletRequest request, ArchivaDavResourceLocator archivaLocator,
 591                                            String activePrincipal, ManagedRepositoryContent managedRepositoryContent,
 592                                            ManagedRepository managedRepository )
 593         throws DavException
 594     {
 595         DavResource resource = null;
 596         if ( isAuthorized( request, managedRepositoryContent.getId() ) )
 597         {
 598             boolean readMethod = WebdavMethodUtil.isReadMethod( request.getMethod() );
 599             // Maven Centric part ask evaluation if -SNAPSHOT
 600             // MRM-1846 test if read method to prevent issue with maven 2.2.1 and uniqueVersion false
 601
 602             String path = readMethod
 603                 ? evaluatePathWithVersion( archivaLocator, managedRepositoryContent, request.getContextPath() )
 604                 : getLogicalResource( archivaLocator, managedRepository, false );
 605             if ( path.startsWith( "/" ) )
 606             {
 607                 path = path.substring( 1 );
 608             }
 609             LogicalResource logicalResource = new LogicalResource( path );
 610             File resourceFile = new File( managedRepositoryContent.getRepoRoot(), path );
 611             resource =
 612                 new ArchivaDavResource( resourceFile.getAbsolutePath(), path, managedRepositoryContent.getRepository(),
 613                                         request.getRemoteAddr(), activePrincipal, request.getDavSession(),
 614                                         archivaLocator, this, mimeTypes, auditListeners, scheduler, fileLockManager );
 615
 616             if ( WebdavMethodUtil.isReadMethod( request.getMethod() ) )
 617             {
 618                 if ( archivaLocator.getHref( false ).endsWith( "/" ) && !resourceFile.isDirectory() )
 619                 {
 620                     // force a resource not found
 621                     throw new DavException( HttpServletResponse.SC_NOT_FOUND, "Resource does not exist" );
 622                 }
 623                 else
 624                 {
 625                     if ( !resource.isCollection() )
 626                     {
 627                         boolean previouslyExisted = resourceFile.exists();
 628
 629                         // Attempt to fetch the resource from any defined proxy.
 630                         boolean fromProxy =
 631                             fetchContentFromProxies( managedRepositoryContent, request, logicalResource );
 632
 633                         // At this point the incoming request can either be in default or
 634                         // legacy layout format.
 635                         try
 636                         {
 637                             // Perform an adjustment of the resource to the managed
 638                             // repository expected path.
 639                             String localResourcePath =
 640                                 repositoryRequest.toNativePath( logicalResource.getPath(), managedRepositoryContent );
 641                             resourceFile = new File( managedRepositoryContent.getRepoRoot(), localResourcePath );
 642                             resource =
 643                                 new ArchivaDavResource( resourceFile.getAbsolutePath(), logicalResource.getPath(),
 644                                                         managedRepositoryContent.getRepository(),
 645                                                         request.getRemoteAddr(), activePrincipal,
 646                                                         request.getDavSession(), archivaLocator, this, mimeTypes,
 647                                                         auditListeners, scheduler, fileLockManager );
 648                         }
 649                         catch ( LayoutException e )
 650                         {
 651                             if ( !resourceFile.exists() )
 652                             {
 653                                 throw new DavException( HttpServletResponse.SC_NOT_FOUND, e );
 654                             }
 655                         }
 656
 657                         if ( fromProxy )
 658                         {
 659                             String event = ( previouslyExisted ? AuditEvent.MODIFY_FILE : AuditEvent.CREATE_FILE )
 660                                 + PROXIED_SUFFIX;
 661
 662                             log.debug( "Proxied artifact '{}' in repository '{}' (current user '{}')",
 663                                        resourceFile.getName(), managedRepositoryContent.getId(), activePrincipal );
 664
 665                             triggerAuditEvent( request.getRemoteAddr(), archivaLocator.getRepositoryId(),
 666                                                logicalResource.getPath(), event, activePrincipal );
 667                         }
 668
 669                         if ( !resourceFile.exists() )
 670                         {
 671                             throw new DavException( HttpServletResponse.SC_NOT_FOUND, "Resource does not exist" );
 672                         }
 673                     }
 674                 }
 675             }
 676
 677             if ( request.getMethod().equals( HTTP_PUT_METHOD ) )
 678             {
 679                 String resourcePath = logicalResource.getPath();
 680
 681                 // check if target repo is enabled for releases
 682                 // we suppose that release-artifacts can be deployed only to repos enabled for releases
 683                 if ( managedRepositoryContent.getRepository().isReleases() && !repositoryRequest.isMetadata(
 684                     resourcePath ) && !repositoryRequest.isSupportFile( resourcePath ) )
 685                 {
 686                     ArtifactReference artifact = null;
 687                     try
 688                     {
 689                         artifact = managedRepositoryContent.toArtifactReference( resourcePath );
 690
 691                         if ( !VersionUtil.isSnapshot( artifact.getVersion() ) )
 692                         {
 693                             // check if artifact already exists and if artifact re-deployment to the repository is allowed
 694                             if ( managedRepositoryContent.hasContent( artifact )
 695                                 && managedRepositoryContent.getRepository().isBlockRedeployments() )
 696                             {
 697                                 log.warn( "Overwriting released artifacts in repository '{}' is not allowed.",
 698                                           managedRepositoryContent.getId() );
 699                                 throw new DavException( HttpServletResponse.SC_CONFLICT,
 700                                                         "Overwriting released artifacts is not allowed." );
 701                             }
 702                         }
 703                     }
 704                     catch ( LayoutException e )
 705                     {
 706                         log.warn( "Artifact path '{}' is invalid.", resourcePath );
 707                     }
 708                 }
 709
 710                 /*
 711                  * Create parent directories that don't exist when writing a file This actually makes this
 712                  * implementation not compliant to the WebDAV RFC - but we have enough knowledge about how the
 713                  * collection is being used to do this reasonably and some versions of Maven's WebDAV don't correctly
 714                  * create the collections themselves.
 715                  */
 716
 717                 File rootDirectory = new File( managedRepositoryContent.getRepoRoot() );
 718                 File destDir = new File( rootDirectory, logicalResource.getPath() ).getParentFile();
 719
 720                 if ( !destDir.exists() )
 721                 {
 722                     destDir.mkdirs();
 723                     String relPath = PathUtil.getRelative( rootDirectory.getAbsolutePath(), destDir );
 724
 725                     log.debug( "Creating destination directory '{}' (current user '{}')", destDir.getName(),
 726                                activePrincipal );
 727
 728                     triggerAuditEvent( request.getRemoteAddr(), managedRepositoryContent.getId(), relPath,
 729                                        AuditEvent.CREATE_DIR, activePrincipal );
 730                 }
 731             }
 732         }
 733         return resource;
 734     }
 735
 736     @Override
 737     public DavResource createResource( final DavResourceLocator locator, final DavSession davSession )
 738         throws DavException
 739     {
 740         ArchivaDavResourceLocator archivaLocator = checkLocatorIsInstanceOfRepositoryLocator( locator );
 741
 742         ManagedRepositoryContent managedRepositoryContent;
 743         try
 744         {
 745             managedRepositoryContent =
 746                 repositoryFactory.getManagedRepositoryContent( archivaLocator.getRepositoryId() );
 747         }
 748         catch ( RepositoryNotFoundException e )
 749         {
 750             throw new DavException( HttpServletResponse.SC_NOT_FOUND,
 751                                     "Invalid repository: " + archivaLocator.getRepositoryId() );
 752         }
 753         catch ( RepositoryException e )
 754         {
 755             throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e );
 756         }
 757
 758         DavResource resource = null;
 759         try
 760         {
 761             String logicalResource = getLogicalResource( archivaLocator, managedRepositoryAdmin.getManagedRepository(
 762                 archivaLocator.getRepositoryId() ), false );
 763             if ( logicalResource.startsWith( "/" ) )
 764             {
 765                 logicalResource = logicalResource.substring( 1 );
 766             }
 767             File resourceFile = new File( managedRepositoryContent.getRepoRoot(), logicalResource );
 768             resource = new ArchivaDavResource( resourceFile.getAbsolutePath(), logicalResource,
 769                                                managedRepositoryContent.getRepository(), davSession, archivaLocator,
 770                                                this, mimeTypes, auditListeners, scheduler, fileLockManager );
 771
 772             resource.addLockManager( lockManager );
 773         }
 774         catch ( RepositoryAdminException e )
 775         {
 776             throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e );
 777         }
 778         return resource;
 779     }
 780
 781     private boolean fetchContentFromProxies( ManagedRepositoryContent managedRepository, DavServletRequest request,
 782                                              LogicalResource resource )
 783         throws DavException
 784     {
 785         String path = resource.getPath();
 786         if ( repositoryRequest.isSupportFile( path ) )
 787         {
 788             File proxiedFile = connectors.fetchFromProxies( managedRepository, path );
 789
 790             return ( proxiedFile != null );
 791         }
 792
 793         // Is it a Metadata resource?
 794         if ( repositoryRequest.isDefault( path ) && repositoryRequest.isMetadata( path ) )
 795         {
 796             return connectors.fetchMetatadaFromProxies( managedRepository, path ) != null;
 797         }
 798
 799         // Is it an Archetype Catalog?
 800         if ( repositoryRequest.isArchetypeCatalog( path ) )
 801         {
 802             // FIXME we must implement a merge of remote archetype catalog from remote servers.
 803             File proxiedFile = connectors.fetchFromProxies( managedRepository, path );
 804
 805             return ( proxiedFile != null );
 806         }
 807
 808         // Not any of the above? Then it's gotta be an artifact reference.
 809         try
 810         {
 811             // Get the artifact reference in a layout neutral way.
 812             ArtifactReference artifact = repositoryRequest.toArtifactReference( path );
 813
 814             if ( artifact != null )
 815             {
 816                 String repositoryLayout = managedRepository.getRepository().getLayout();
 817
 818                 RepositoryStorage repositoryStorage =
 819                     this.applicationContext.getBean( "repositoryStorage#" + repositoryLayout, RepositoryStorage.class );
 820                 repositoryStorage.applyServerSideRelocation( managedRepository, artifact );
 821
 822                 File proxiedFile = connectors.fetchFromProxies( managedRepository, artifact );
 823
 824                 resource.setPath( managedRepository.toPath( artifact ) );
 825
 826                 log.debug( "Proxied artifact '{}:{}:{}'", artifact.getGroupId(), artifact.getArtifactId(),
 827                            artifact.getVersion() );
 828
 829                 return ( proxiedFile != null );
 830             }
 831         }
 832         catch ( LayoutException e )
 833         {
 834             /* eat it */
 835         }
 836         catch ( ProxyDownloadException e )
 837         {
 838             log.error( e.getMessage(), e );
 839             throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
 840                                     "Unable to fetch artifact resource." );
 841         }
 842         return false;
 843     }
 844
 845     // TODO: remove?
 846
 847     private void triggerAuditEvent( String remoteIP, String repositoryId, String resource, String action,
 848                                     String principal )
 849     {
 850         AuditEvent event = new AuditEvent( repositoryId, principal, resource, action );
 851         event.setRemoteIP( remoteIP );
 852
 853         for ( AuditListener listener : auditListeners )
 854         {
 855             listener.auditEvent( event );
 856         }
 857     }
 858
 859     @Override
 860     public void addAuditListener( AuditListener listener )
 861     {
 862         this.auditListeners.add( listener );
 863     }
 864
 865     @Override
 866     public void clearAuditListeners()
 867     {
 868         this.auditListeners.clear();
 869     }
 870
 871     @Override
 872     public void removeAuditListener( AuditListener listener )
 873     {
 874         this.auditListeners.remove( listener );
 875     }
 876
 877     private void setHeaders( DavServletResponse response, DavResourceLocator locator, DavResource resource,
 878                              boolean group )
 879     {
 880         // [MRM-503] - Metadata file need Pragma:no-cache response
 881         // header.
 882         if ( locator.getResourcePath().endsWith( "/maven-metadata.xml" ) || ( resource instanceof ArchivaDavResource
 883             && ( ArchivaDavResource.class.cast( resource ).getLocalResource().isDirectory() ) ) )
 884         {
 885             response.setHeader( "Pragma", "no-cache" );
 886             response.setHeader( "Cache-Control", "no-cache" );
 887             response.setDateHeader( "Last-Modified", new Date().getTime() );
 888         }
 889         // if the resource is a directory don't cache it as new groupId deployed will be available
 890         // without need of refreshing browser
 891         else if ( locator.getResourcePath().endsWith( "/maven-metadata.xml" ) || (
 892             resource instanceof ArchivaVirtualDavResource && ( new File(
 893                 ArchivaVirtualDavResource.class.cast( resource ).getLogicalResource() ).isDirectory() ) ) )
 894         {
 895             response.setHeader( "Pragma", "no-cache" );
 896             response.setHeader( "Cache-Control", "no-cache" );
 897             response.setDateHeader( "Last-Modified", new Date().getTime() );
 898         }
 899         else if ( group )
 900         {
 901             if ( resource instanceof ArchivaVirtualDavResource )
 902             {
 903                 //MRM-1854 here we have a directory so force "Last-Modified"
 904                 response.setDateHeader( "Last-Modified", new Date().getTime() );
 905             }
 906         }
 907         else
 908         {
 909             // We need to specify this so connecting wagons can work correctly
 910             response.setDateHeader( "Last-Modified", resource.getModificationTime() );
 911         }
 912         // TODO: [MRM-524] determine http caching options for other types of files (artifacts, sha1, md5, snapshots)
 913     }
 914
 915     private ArchivaDavResourceLocator checkLocatorIsInstanceOfRepositoryLocator( DavResourceLocator locator )
 916         throws DavException
 917     {
 918         if ( !( locator instanceof ArchivaDavResourceLocator ) )
 919         {
 920             throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
 921                                     "Locator does not implement RepositoryLocator" );
 922         }
 923
 924         // Hidden paths
 925         if ( locator.getResourcePath().startsWith( ArchivaDavResource.HIDDEN_PATH_PREFIX ) )
 926         {
 927             throw new DavException( HttpServletResponse.SC_NOT_FOUND );
 928         }
 929
 930         ArchivaDavResourceLocator archivaLocator = (ArchivaDavResourceLocator) locator;
 931
 932         // MRM-419 - Windows Webdav support. Should not 404 if there is no content.
 933         if ( StringUtils.isEmpty( archivaLocator.getRepositoryId() ) )
 934         {
 935             throw new DavException( HttpServletResponse.SC_NO_CONTENT );
 936         }
 937         return archivaLocator;
 938     }
 939
 940     private static class LogicalResource
 941     {
 942         private String path;
 943
 944         public LogicalResource( String path )
 945         {
 946             this.path = path;
 947         }
 948
 949         public String getPath()
 950         {
 951             return path;
 952         }
 953
 954         public void setPath( String path )
 955         {
 956             this.path = path;
 957         }
 958     }
 959
 960     protected boolean isAuthorized( DavServletRequest request, String repositoryId )
 961         throws DavException
 962     {
 963         try
 964         {
 965             AuthenticationResult result = httpAuth.getAuthenticationResult( request, null );
 966             SecuritySession securitySession = httpAuth.getSecuritySession( request.getSession( true ) );
 967
 968             return servletAuth.isAuthenticated( request, result ) //
 969                 && servletAuth.isAuthorized( request, securitySession, repositoryId, //
 970                                              WebdavMethodUtil.getMethodPermission( request.getMethod() ) );
 971         }
 972         catch ( AuthenticationException e )
 973         {
 974             // safety check for MRM-911
 975             String guest = UserManager.GUEST_USERNAME;
 976             try
 977             {
 978                 if ( servletAuth.isAuthorized( guest,
 979                                                ( (ArchivaDavResourceLocator) request.getRequestLocator() ).getRepositoryId(),
 980                                                WebdavMethodUtil.getMethodPermission( request.getMethod() ) ) )
 981                 {
 982                     return true;
 983                 }
 984             }
 985             catch ( UnauthorizedException ae )
 986             {
 987                 throw new UnauthorizedDavException( repositoryId,
 988                                                     "You are not authenticated and authorized to access any repository." );
 989             }
 990
 991             throw new UnauthorizedDavException( repositoryId, "You are not authenticated" );
 992         }
 993         catch ( MustChangePasswordException e )
 994         {
 995             throw new UnauthorizedDavException( repositoryId, "You must change your password." );
 996         }
 997         catch ( AccountLockedException e )
 998         {
 999             throw new UnauthorizedDavException( repositoryId, "User account is locked." );
1000         }
1001         catch ( AuthorizationException e )
1002         {
1003             throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
1004                                     "Fatal Authorization Subsystem Error." );
1005         }
1006         catch ( UnauthorizedException e )
1007         {
1008             throw new UnauthorizedDavException( repositoryId, e.getMessage() );
1009         }
1010     }
1011
1012     private DavResource getResourceFromGroup( DavServletRequest request, List<String> repositories,
1013                                               ArchivaDavResourceLocator locator,
1014                                               RepositoryGroupConfiguration repositoryGroupConfiguration )
1015         throws DavException, RepositoryAdminException
1016     {
1017         if ( repositoryGroupConfiguration.getRepositories() == null
1018             || repositoryGroupConfiguration.getRepositories().isEmpty() )
1019         {
1020             File file =
1021                 new File( System.getProperty( "appserver.base" ), "groups/" + repositoryGroupConfiguration.getId() );
1022
1023             return new ArchivaDavResource( file.getPath(), "groups/" + repositoryGroupConfiguration.getId(), null,
1024                                            request.getDavSession(), locator, this, mimeTypes, auditListeners, scheduler,
1025                                            fileLockManager );
1026         }
1027         List<File> mergedRepositoryContents = new ArrayList<>();
1028         // multiple repo types so we guess they are all the same type
1029         // so use the first one
1030         // FIXME add a method with group in the repository storage
1031         String firstRepoId = repositoryGroupConfiguration.getRepositories().get( 0 );
1032
1033         String path = getLogicalResource( locator, managedRepositoryAdmin.getManagedRepository( firstRepoId ), false );
1034         if ( path.startsWith( "/" ) )
1035         {
1036             path = path.substring( 1 );
1037         }
1038         LogicalResource logicalResource = new LogicalResource( path );
1039
1040         // flow:
1041         // if the current user logged in has permission to any of the repositories, allow user to
1042         // browse the repo group but displaying only the repositories which the user has permission to access.
1043         // otherwise, prompt for authentication.
1044
1045         String activePrincipal = getActivePrincipal( request );
1046
1047         boolean allow = isAllowedToContinue( request, repositories, activePrincipal );
1048
1049         // remove last /
1050         String pathInfo = StringUtils.removeEnd( request.getPathInfo(), "/" );
1051
1052         if ( allow )
1053         {
1054
1055             if ( StringUtils.endsWith( pathInfo, repositoryGroupConfiguration.getMergedIndexPath() ) )
1056             {
1057                 File mergedRepoDir =
1058                     buildMergedIndexDirectory( repositories, activePrincipal, request, repositoryGroupConfiguration );
1059                 mergedRepositoryContents.add( mergedRepoDir );
1060             }
1061             else
1062             {
1063                 if ( StringUtils.equalsIgnoreCase( pathInfo, "/" + repositoryGroupConfiguration.getId() ) )
1064                 {
1065                     File tmpDirectory = new File( SystemUtils.getJavaIoTmpDir(),
1066                                                   repositoryGroupConfiguration.getId() + "/"
1067                                                       + repositoryGroupConfiguration.getMergedIndexPath() );
1068                     if ( !tmpDirectory.exists() )
1069                     {
1070                         synchronized ( tmpDirectory.getAbsolutePath() )
1071                         {
1072                             if ( !tmpDirectory.exists() )
1073                             {
1074                                 tmpDirectory.mkdirs();
1075                             }
1076                         }
1077                     }
1078                     mergedRepositoryContents.add( tmpDirectory.getParentFile() );
1079                 }
1080                 for ( String repository : repositories )
1081                 {
1082                     ManagedRepositoryContent managedRepository = null;
1083
1084                     try
1085                     {
1086                         managedRepository = repositoryFactory.getManagedRepositoryContent( repository );
1087                     }
1088                     catch ( RepositoryNotFoundException e )
1089                     {
1090                         throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
1091                                                 "Invalid managed repository <" + repository + ">: " + e.getMessage() );
1092                     }
1093                     catch ( RepositoryException e )
1094                     {
1095                         throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
1096                                                 "Invalid managed repository <" + repository + ">: " + e.getMessage() );
1097                     }
1098
1099                     File resourceFile = new File( managedRepository.getRepoRoot(), logicalResource.getPath() );
1100                     if ( resourceFile.exists() )
1101                     {
1102                         // in case of group displaying index directory doesn't have sense !!
1103                         String repoIndexDirectory = managedRepository.getRepository().getIndexDirectory();
1104                         if ( StringUtils.isNotEmpty( repoIndexDirectory ) )
1105                         {
1106                             if ( !new File( repoIndexDirectory ).isAbsolute() )
1107                             {
1108                                 repoIndexDirectory = new File( managedRepository.getRepository().getLocation(),
1109                                                                StringUtils.isEmpty( repoIndexDirectory )
1110                                                                    ? ".indexer"
1111                                                                    : repoIndexDirectory ).getAbsolutePath();
1112                             }
1113                         }
1114                         if ( StringUtils.isEmpty( repoIndexDirectory ) )
1115                         {
1116                             repoIndexDirectory = new File( managedRepository.getRepository().getLocation(),
1117                                                            ".indexer" ).getAbsolutePath();
1118                         }
1119
1120                         if ( !StringUtils.equals( FilenameUtils.normalize( repoIndexDirectory ),
1121                                                   FilenameUtils.normalize( resourceFile.getAbsolutePath() ) ) )
1122                         {
1123                             // for prompted authentication
1124                             if ( httpAuth.getSecuritySession( request.getSession( true ) ) != null )
1125                             {
1126                                 try
1127                                 {
1128                                     if ( isAuthorized( request, repository ) )
1129                                     {
1130                                         mergedRepositoryContents.add( resourceFile );
1131                                         log.debug( "Repository '{}' accessed by '{}'", repository, activePrincipal );
1132                                     }
1133                                 }
1134                                 catch ( DavException e )
1135                                 {
1136                                     // TODO: review exception handling
1137
1138                                     log.debug( "Skipping repository '{}' for user '{}': {}", managedRepository,
1139                                                activePrincipal, e.getMessage() );
1140
1141                                 }
1142
1143                             }
1144                             else
1145                             {
1146                                 // for the current user logged in
1147                                 try
1148                                 {
1149                                     if ( servletAuth.isAuthorized( activePrincipal, repository,
1150                                                                    WebdavMethodUtil.getMethodPermission(
1151                                                                        request.getMethod() ) ) )
1152                                     {
1153                                         mergedRepositoryContents.add( resourceFile );
1154                                         log.debug( "Repository '{}' accessed by '{}'", repository, activePrincipal );
1155                                     }
1156                                 }
1157                                 catch ( UnauthorizedException e )
1158                                 {
1159                                     // TODO: review exception handling
1160
1161                                     log.debug( "Skipping repository '{}' for user '{}': {}", managedRepository,
1162                                                activePrincipal, e.getMessage() );
1163
1164                                 }
1165                             }
1166                         }
1167                     }
1168                 }
1169             }
1170         }
1171         else
1172         {
1173             throw new UnauthorizedDavException( locator.getRepositoryId(), "User not authorized." );
1174         }
1175
1176         ArchivaVirtualDavResource resource =
1177             new ArchivaVirtualDavResource( mergedRepositoryContents, logicalResource.getPath(), mimeTypes, locator,
1178                                            this );
1179
1180         // compatibility with MRM-440 to ensure browsing the repository group works ok
1181         if ( resource.isCollection() && !request.getRequestURI().endsWith( "/" ) )
1182         {
1183             throw new BrowserRedirectException( resource.getHref() );
1184         }
1185
1186         return resource;
1187     }
1188
1189     protected String getActivePrincipal( DavServletRequest request )
1190     {
1191         User sessionUser = httpAuth.getSessionUser( request.getSession() );
1192         return sessionUser != null ? sessionUser.getUsername() : UserManager.GUEST_USERNAME;
1193     }
1194
1195     /**
1196      * Check if the current user is authorized to access any of the repos
1197      *
1198      * @param request
1199      * @param repositories
1200      * @param activePrincipal
1201      * @return
1202      */
1203     private boolean isAllowedToContinue( DavServletRequest request, List<String> repositories, String activePrincipal )
1204     {
1205         // when no repositories configured it's impossible to browse nothing !
1206         // at least make possible to see nothing :-)
1207         if ( repositories == null || repositories.isEmpty() )
1208         {
1209             return true;
1210         }
1211
1212         boolean allow = false;
1213
1214         // if securitySession != null, it means that the user was prompted for authentication
1215         if ( httpAuth.getSecuritySession( request.getSession() ) != null )
1216         {
1217             for ( String repository : repositories )
1218             {
1219                 try
1220                 {
1221                     if ( isAuthorized( request, repository ) )
1222                     {
1223                         allow = true;
1224                         break;
1225                     }
1226                 }
1227                 catch ( DavException e )
1228                 {
1229                     continue;
1230                 }
1231             }
1232         }
1233         else
1234         {
1235             for ( String repository : repositories )
1236             {
1237                 try
1238                 {
1239                     if ( servletAuth.isAuthorized( activePrincipal, repository,
1240                                                    WebdavMethodUtil.getMethodPermission( request.getMethod() ) ) )
1241                     {
1242                         allow = true;
1243                         break;
1244                     }
1245                 }
1246                 catch ( UnauthorizedException e )
1247                 {
1248                     continue;
1249                 }
1250             }
1251         }
1252
1253         return allow;
1254     }
1255
1256     private File writeMergedMetadataToFile( ArchivaRepositoryMetadata mergedMetadata, String outputFilename )
1257         throws RepositoryMetadataException, DigesterException, IOException
1258     {
1259         File outputFile = new File( outputFilename );
1260         if ( outputFile.exists() )
1261         {
1262             FileUtils.deleteQuietly( outputFile );
1263         }
1264
1265         outputFile.getParentFile().mkdirs();
1266         RepositoryMetadataWriter.write( mergedMetadata, outputFile );
1267
1268         createChecksumFile( outputFilename, digestSha1 );
1269         createChecksumFile( outputFilename, digestMd5 );
1270
1271         return outputFile;
1272     }
1273
1274     private void createChecksumFile( String path, Digester digester )
1275         throws DigesterException, IOException
1276     {
1277         File checksumFile = new File( path + digester.getFilenameExtension() );
1278         if ( !checksumFile.exists() )
1279         {
1280             FileUtils.deleteQuietly( checksumFile );
1281             checksum.createChecksum( new File( path ), digester );
1282         }
1283         else if ( !checksumFile.isFile() )
1284         {
1285             log.error( "Checksum file is not a file." );
1286         }
1287     }
1288
1289     private boolean isProjectReference( String requestedResource )
1290     {
1291         try
1292         {
1293             metadataTools.toVersionedReference( requestedResource );
1294             return false;
1295         }
1296         catch ( RepositoryMetadataException re )
1297         {
1298             return true;
1299         }
1300     }
1301
1302     protected File buildMergedIndexDirectory( List<String> repositories, String activePrincipal,
1303                                               DavServletRequest request,
1304                                               RepositoryGroupConfiguration repositoryGroupConfiguration )
1305         throws DavException
1306     {
1307
1308         try
1309         {
1310             HttpSession session = request.getSession();
1311
1312             Map<String, TemporaryGroupIndex> temporaryGroupIndexMap =
1313                 (Map<String, TemporaryGroupIndex>) session.getAttribute(
1314                     TemporaryGroupIndexSessionCleaner.TEMPORARY_INDEX_SESSION_KEY );
1315             if ( temporaryGroupIndexMap == null )
1316             {
1317                 temporaryGroupIndexMap = new HashMap<>();
1318             }
1319
1320             TemporaryGroupIndex tmp = temporaryGroupIndexMap.get( repositoryGroupConfiguration.getId() );
1321
1322             if ( tmp != null && tmp.getDirectory() != null && tmp.getDirectory().exists() )
1323             {
1324                 if ( System.currentTimeMillis() - tmp.getCreationTime() > (
1325                     repositoryGroupConfiguration.getMergedIndexTtl() * 60 * 1000 ) )
1326                 {
1327                     log.debug( MarkerFactory.getMarker( "group.merged.index" ),
1328                                "tmp group index '{}' is too old so delete it", repositoryGroupConfiguration.getId() );
1329                     indexMerger.cleanTemporaryGroupIndex( tmp );
1330                 }
1331                 else
1332                 {
1333                     log.debug( MarkerFactory.getMarker( "group.merged.index" ),
1334                                "merged index for group '{}' found in cache", repositoryGroupConfiguration.getId() );
1335                     return tmp.getDirectory();
1336                 }
1337             }
1338
1339             Set<String> authzRepos = new HashSet<String>();
1340
1341             String permission = WebdavMethodUtil.getMethodPermission( request.getMethod() );
1342
1343             for ( String repository : repositories )
1344             {
1345                 try
1346                 {
1347                     if ( servletAuth.isAuthorized( activePrincipal, repository, permission ) )
1348                     {
1349                         authzRepos.add( repository );
1350                         authzRepos.addAll( this.repositorySearch.getRemoteIndexingContextIds( repository ) );
1351                     }
1352                 }
1353                 catch ( UnauthorizedException e )
1354                 {
1355                     // TODO: review exception handling
1356
1357                     log.debug( "Skipping repository '{}' for user '{}': {}", repository, activePrincipal,
1358                                e.getMessage() );
1359                 }
1360             }
1361             log.info( "generate temporary merged index for repository group '{}' for repositories '{}'",
1362                       repositoryGroupConfiguration.getId(), authzRepos );
1363
1364             File tempRepoFile = Files.createTempDirectory( "temp" ).toFile();
1365             tempRepoFile.deleteOnExit();
1366
1367             IndexMergerRequest indexMergerRequest =
1368                 new IndexMergerRequest( authzRepos, true, repositoryGroupConfiguration.getId(),
1369                                         repositoryGroupConfiguration.getMergedIndexPath(),
1370                                         repositoryGroupConfiguration.getMergedIndexTtl() ).mergedIndexDirectory(
1371                     tempRepoFile ).temporary( true );
1372
1373             MergedRemoteIndexesTaskRequest taskRequest =
1374                 new MergedRemoteIndexesTaskRequest( indexMergerRequest, indexMerger );
1375
1376             MergedRemoteIndexesTask job = new MergedRemoteIndexesTask( taskRequest );
1377
1378             IndexingContext indexingContext = job.execute().getIndexingContext();
1379
1380             File mergedRepoDir = indexingContext.getIndexDirectoryFile();
1381             TemporaryGroupIndex temporaryGroupIndex =
1382                 new TemporaryGroupIndex( mergedRepoDir, indexingContext.getId(), repositoryGroupConfiguration.getId(),
1383                                          repositoryGroupConfiguration.getMergedIndexTtl() ) //
1384                     .setCreationTime( new Date().getTime() );
1385             temporaryGroupIndexMap.put( repositoryGroupConfiguration.getId(), temporaryGroupIndex );
1386             session.setAttribute( TemporaryGroupIndexSessionCleaner.TEMPORARY_INDEX_SESSION_KEY,
1387                                   temporaryGroupIndexMap );
1388             return mergedRepoDir;
1389         }
1390         catch ( RepositoryAdminException e )
1391         {
1392             throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e );
1393         }
1394         catch ( IndexMergerException e )
1395         {
1396             throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e );
1397         }
1398         catch ( IOException e )
1399         {
1400             throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e );
1401         }
1402     }
1403
1404
1405     public void setServletAuth( ServletAuthenticator servletAuth )
1406     {
1407         this.servletAuth = servletAuth;
1408     }
1409
1410     public void setHttpAuth( HttpAuthenticator httpAuth )
1411     {
1412         this.httpAuth = httpAuth;
1413     }
1414
1415     public void setScheduler( RepositoryArchivaTaskScheduler scheduler )
1416     {
1417         this.scheduler = scheduler;
1418     }
1419
1420     public void setArchivaConfiguration( ArchivaConfiguration archivaConfiguration )
1421     {
1422         this.archivaConfiguration = archivaConfiguration;
1423     }
1424
1425     public void setRepositoryFactory( RepositoryContentFactory repositoryFactory )
1426     {
1427         this.repositoryFactory = repositoryFactory;
1428     }
1429
1430     public void setRepositoryRequest( RepositoryRequest repositoryRequest )
1431     {
1432         this.repositoryRequest = repositoryRequest;
1433     }
1434
1435     public void setConnectors( RepositoryProxyConnectors connectors )
1436     {
1437         this.connectors = connectors;
1438     }
1439
1440     public RemoteRepositoryAdmin getRemoteRepositoryAdmin()
1441     {
1442         return remoteRepositoryAdmin;
1443     }
1444
1445     public void setRemoteRepositoryAdmin( RemoteRepositoryAdmin remoteRepositoryAdmin )
1446     {
1447         this.remoteRepositoryAdmin = remoteRepositoryAdmin;
1448     }
1449
1450     public ManagedRepositoryAdmin getManagedRepositoryAdmin()
1451     {
1452         return managedRepositoryAdmin;
1453     }
1454
1455     public void setManagedRepositoryAdmin( ManagedRepositoryAdmin managedRepositoryAdmin )
1456     {
1457         this.managedRepositoryAdmin = managedRepositoryAdmin;
1458     }
1459 }