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

   1 package org.apache.archiva.webdav;
   2
   3 /*
   4  * Licensed to the Apache Software Foundation (ASF) under one
   5  * or more contributor license agreements.  See the NOTICE file
   6  * distributed with this work for additional information
   7  * regarding copyright ownership.  The ASF licenses this file
   8  * to you under the Apache License, Version 2.0 (the
   9  * "License"); you may not use this file except in compliance
  10  * with the License.  You may obtain a copy of the License at
  11  *
  12  *  http://www.apache.org/licenses/LICENSE-2.0
  13  *
  14  * Unless required by applicable law or agreed to in writing,
  15  * software distributed under the License is distributed on an
  16  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  17  * KIND, either express or implied.  See the License for the
  18  * specific language governing permissions and limitations
  19  * under the License.
  20  */
  21
  22 import org.apache.archiva.admin.model.RepositoryAdminException;
  23 import org.apache.archiva.admin.model.beans.ManagedRepository;
  24 import org.apache.archiva.admin.model.beans.RemoteRepository;
  25 import org.apache.archiva.admin.model.managed.ManagedRepositoryAdmin;
  26 import org.apache.archiva.admin.model.remote.RemoteRepositoryAdmin;
  27 import org.apache.archiva.audit.AuditEvent;
  28 import org.apache.archiva.audit.AuditListener;
  29 import org.apache.archiva.audit.Auditable;
  30 import org.apache.archiva.common.plexusbridge.PlexusSisuBridge;
  31 import org.apache.archiva.common.plexusbridge.PlexusSisuBridgeException;
  32 import org.apache.archiva.common.utils.PathUtil;
  33 import org.apache.archiva.common.utils.VersionUtil;
  34 import org.apache.archiva.configuration.ArchivaConfiguration;
  35 import org.apache.archiva.configuration.RepositoryGroupConfiguration;
  36 import org.apache.archiva.indexer.merger.IndexMerger;
  37 import org.apache.archiva.indexer.merger.IndexMergerException;
  38 import org.apache.archiva.indexer.merger.IndexMergerRequest;
  39 import org.apache.archiva.indexer.merger.TemporaryGroupIndex;
  40 import org.apache.archiva.indexer.search.RepositorySearch;
  41 import org.apache.archiva.maven2.metadata.MavenMetadataReader;
  42 import org.apache.archiva.metadata.repository.storage.RelocationException;
  43 import org.apache.archiva.metadata.repository.storage.RepositoryStorage;
  44 import org.apache.archiva.model.ArchivaRepositoryMetadata;
  45 import org.apache.archiva.model.ArtifactReference;
  46 import org.apache.archiva.policies.ProxyDownloadException;
  47 import org.apache.archiva.proxy.model.RepositoryProxyConnectors;
  48 import org.apache.archiva.redback.authentication.AuthenticationException;
  49 import org.apache.archiva.redback.authentication.AuthenticationResult;
  50 import org.apache.archiva.redback.authorization.AuthorizationException;
  51 import org.apache.archiva.redback.authorization.UnauthorizedException;
  52 import org.apache.archiva.redback.integration.filter.authentication.HttpAuthenticator;
  53 import org.apache.archiva.redback.policy.AccountLockedException;
  54 import org.apache.archiva.redback.policy.MustChangePasswordException;
  55 import org.apache.archiva.redback.system.SecuritySession;
  56 import org.apache.archiva.redback.users.User;
  57 import org.apache.archiva.redback.users.UserManager;
  58 import org.apache.archiva.repository.ManagedRepositoryContent;
  59 import org.apache.archiva.repository.RepositoryContentFactory;
  60 import org.apache.archiva.repository.RepositoryException;
  61 import org.apache.archiva.repository.RepositoryNotFoundException;
  62 import org.apache.archiva.repository.content.legacy.LegacyPathParser;
  63 import org.apache.archiva.repository.content.maven2.RepositoryRequest;
  64 import org.apache.archiva.repository.layout.LayoutException;
  65 import org.apache.archiva.repository.metadata.MetadataTools;
  66 import org.apache.archiva.repository.metadata.RepositoryMetadataException;
  67 import org.apache.archiva.repository.metadata.RepositoryMetadataMerge;
  68 import org.apache.archiva.repository.metadata.RepositoryMetadataWriter;
  69 import org.apache.archiva.scheduler.repository.model.RepositoryArchivaTaskScheduler;
  70 import org.apache.archiva.security.ServletAuthenticator;
  71 import org.apache.archiva.webdav.util.MimeTypes;
  72 import org.apache.archiva.webdav.util.RepositoryPathUtil;
  73 import org.apache.archiva.webdav.util.TemporaryGroupIndexSessionCleaner;
  74 import org.apache.archiva.webdav.util.WebdavMethodUtil;
  75 import org.apache.archiva.xml.XMLException;
  76 import org.apache.commons.io.FileUtils;
  77 import org.apache.commons.io.FilenameUtils;
  78 import org.apache.commons.lang.StringUtils;
  79 import org.apache.commons.lang.SystemUtils;
  80 import org.apache.jackrabbit.webdav.DavException;
  81 import org.apache.jackrabbit.webdav.DavResource;
  82 import org.apache.jackrabbit.webdav.DavResourceFactory;
  83 import org.apache.jackrabbit.webdav.DavResourceLocator;
  84 import org.apache.jackrabbit.webdav.DavServletRequest;
  85 import org.apache.jackrabbit.webdav.DavServletResponse;
  86 import org.apache.jackrabbit.webdav.DavSession;
  87 import org.apache.jackrabbit.webdav.lock.LockManager;
  88 import org.apache.jackrabbit.webdav.lock.SimpleLockManager;
  89 import org.apache.maven.index.context.IndexingContext;
  90 import org.codehaus.plexus.digest.ChecksumFile;
  91 import org.codehaus.plexus.digest.Digester;
  92 import org.codehaus.plexus.digest.DigesterException;
  93 import org.slf4j.Logger;
  94 import org.slf4j.LoggerFactory;
  95 import org.slf4j.MarkerFactory;
  96 import org.springframework.context.ApplicationContext;
  97 import org.springframework.stereotype.Service;
  98
  99 import javax.annotation.PostConstruct;
 100 import javax.inject.Inject;
 101 import javax.inject.Named;
 102 import javax.servlet.http.HttpServletResponse;
 103 import javax.servlet.http.HttpSession;
 104 import java.io.File;
 105 import java.io.IOException;
 106 import java.util.ArrayList;
 107 import java.util.Date;
 108 import java.util.HashMap;
 109 import java.util.HashSet;
 110 import java.util.List;
 111 import java.util.Map;
 112 import java.util.Set;
 113
 114 /**
 115  *
 116  */
 117 @Service( "davResourceFactory#archiva" )
 118 public class ArchivaDavResourceFactory
 119     implements DavResourceFactory, Auditable
 120 {
 121     private static final String PROXIED_SUFFIX = " (proxied)";
 122
 123     private static final String HTTP_PUT_METHOD = "PUT";
 124
 125     private Logger log = LoggerFactory.getLogger( ArchivaDavResourceFactory.class );
 126
 127     @Inject
 128     private List<AuditListener> auditListeners = new ArrayList<AuditListener>();
 129
 130     @Inject
 131     private RepositoryContentFactory repositoryFactory;
 132
 133     private RepositoryRequest repositoryRequest;
 134
 135     @Inject
 136     @Named( value = "repositoryProxyConnectors#default" )
 137     private RepositoryProxyConnectors connectors;
 138
 139     @Inject
 140     private MetadataTools metadataTools;
 141
 142     @Inject
 143     private MimeTypes mimeTypes;
 144
 145     private ArchivaConfiguration archivaConfiguration;
 146
 147     @Inject
 148     private ServletAuthenticator servletAuth;
 149
 150     @Inject
 151     @Named( value = "httpAuthenticator#basic" )
 152     private HttpAuthenticator httpAuth;
 153
 154     @Inject
 155     private RemoteRepositoryAdmin remoteRepositoryAdmin;
 156
 157     @Inject
 158     private ManagedRepositoryAdmin managedRepositoryAdmin;
 159
 160     @Inject
 161     private IndexMerger indexMerger;
 162
 163     @Inject
 164     private RepositorySearch repositorySearch;
 165
 166     /**
 167      * Lock Manager - use simple implementation from JackRabbit
 168      */
 169     private final LockManager lockManager = new SimpleLockManager();
 170
 171     private ChecksumFile checksum;
 172
 173     private Digester digestSha1;
 174
 175     private Digester digestMd5;
 176
 177     @Inject
 178     @Named( value = "archivaTaskScheduler#repository" )
 179     private RepositoryArchivaTaskScheduler scheduler;
 180
 181     private ApplicationContext applicationContext;
 182
 183     @Inject
 184     public ArchivaDavResourceFactory( ApplicationContext applicationContext, PlexusSisuBridge plexusSisuBridge,
 185                                       ArchivaConfiguration archivaConfiguration )
 186         throws PlexusSisuBridgeException
 187     {
 188         this.archivaConfiguration = archivaConfiguration;
 189         this.applicationContext = applicationContext;
 190         this.checksum = plexusSisuBridge.lookup( ChecksumFile.class );
 191
 192         this.digestMd5 = plexusSisuBridge.lookup( Digester.class, "md5" );
 193         this.digestSha1 = plexusSisuBridge.lookup( Digester.class, "sha1" );
 194
 195         // TODO remove this hard dependency on maven !!
 196         repositoryRequest = new RepositoryRequest( new LegacyPathParser( archivaConfiguration ) );
 197     }
 198
 199     @PostConstruct
 200     public void initialize()
 201     {
 202         // no op
 203     }
 204
 205     public DavResource createResource( final DavResourceLocator locator, final DavServletRequest request,
 206                                        final DavServletResponse response )
 207         throws DavException
 208     {
 209         ArchivaDavResourceLocator archivaLocator = checkLocatorIsInstanceOfRepositoryLocator( locator );
 210
 211         RepositoryGroupConfiguration repoGroupConfig =
 212             archivaConfiguration.getConfiguration().getRepositoryGroupsAsMap().get( archivaLocator.getRepositoryId() );
 213
 214         String activePrincipal = getActivePrincipal( request );
 215
 216         List<String> resourcesInAbsolutePath = new ArrayList<String>();
 217
 218         boolean readMethod = WebdavMethodUtil.isReadMethod( request.getMethod() );
 219         DavResource resource;
 220         if ( repoGroupConfig != null )
 221         {
 222             if ( !readMethod )
 223             {
 224                 throw new DavException( HttpServletResponse.SC_METHOD_NOT_ALLOWED,
 225                                         "Write method not allowed for repository groups." );
 226             }
 227
 228             log.debug( "Repository group '{}' accessed by '{}", repoGroupConfig.getId(), activePrincipal );
 229
 230             // handle browse requests for virtual repos
 231             if ( getLogicalResource( archivaLocator, null, true ).endsWith( "/" ) )
 232             {
 233                 try
 234                 {
 235                     return getResourceFromGroup( request, repoGroupConfig.getRepositories(), archivaLocator,
 236                                                  repoGroupConfig );
 237                 }
 238                 catch ( RepositoryAdminException e )
 239                 {
 240                     throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e );
 241                 }
 242             }
 243             else
 244             {
 245                 // make a copy to avoid potential concurrent modifications (eg. by configuration)
 246                 // TODO: ultimately, locking might be more efficient than copying in this fashion since updates are
 247                 //  infrequent
 248                 List<String> repositories = new ArrayList<String>( repoGroupConfig.getRepositories() );
 249                 resource = processRepositoryGroup( request, archivaLocator, repositories, activePrincipal,
 250                                                    resourcesInAbsolutePath, repoGroupConfig );
 251             }
 252         }
 253         else
 254         {
 255
 256             try
 257             {
 258                 RemoteRepository remoteRepository =
 259                     remoteRepositoryAdmin.getRemoteRepository( archivaLocator.getRepositoryId() );
 260
 261                 if ( remoteRepository != null )
 262                 {
 263                     String logicalResource = getLogicalResource( archivaLocator, null, false );
 264                     IndexingContext indexingContext = remoteRepositoryAdmin.createIndexContext( remoteRepository );
 265                     File resourceFile = StringUtils.equals( logicalResource, "/" )
 266                         ? new File( indexingContext.getIndexDirectoryFile().getParent() )
 267                         : new File( indexingContext.getIndexDirectoryFile().getParent(), logicalResource );
 268                     resource = new ArchivaDavResource( resourceFile.getAbsolutePath(), locator.getResourcePath(), null,
 269                                                        request.getRemoteAddr(), activePrincipal,
 270                                                        request.getDavSession(), archivaLocator, this, mimeTypes,
 271                                                        auditListeners, scheduler );
 272                     setHeaders( response, locator, resource );
 273                     return resource;
 274                 }
 275             }
 276             catch ( RepositoryAdminException e )
 277             {
 278                 log.debug( "RepositoryException remote repository with d'{}' not found, msg: {}",
 279                            archivaLocator.getRepositoryId(), e.getMessage() );
 280             }
 281
 282             ManagedRepositoryContent managedRepositoryContent = null;
 283
 284             try
 285             {
 286                 managedRepositoryContent =
 287                     repositoryFactory.getManagedRepositoryContent( archivaLocator.getRepositoryId() );
 288             }
 289             catch ( RepositoryNotFoundException e )
 290             {
 291                 throw new DavException( HttpServletResponse.SC_NOT_FOUND,
 292                                         "Invalid repository: " + archivaLocator.getRepositoryId() );
 293             }
 294             catch ( RepositoryException e )
 295             {
 296                 throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e );
 297             }
 298
 299             log.debug( "Managed repository '{}' accessed by '{}'", managedRepositoryContent.getId(), activePrincipal );
 300
 301             try
 302             {
 303                 resource = processRepository( request, archivaLocator, activePrincipal, managedRepositoryContent,
 304                                               managedRepositoryAdmin.getManagedRepository(
 305                                                   archivaLocator.getRepositoryId() ) );
 306
 307                 String logicalResource = getLogicalResource( archivaLocator, null, false );
 308                 resourcesInAbsolutePath.add(
 309                     new File( managedRepositoryContent.getRepoRoot(), logicalResource ).getAbsolutePath() );
 310
 311             }
 312             catch ( RepositoryAdminException e )
 313             {
 314                 throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e );
 315             }
 316         }
 317
 318         String requestedResource = request.getRequestURI();
 319
 320         // MRM-872 : merge all available metadata
 321         // merge metadata only when requested via the repo group
 322         if ( ( repositoryRequest.isMetadata( requestedResource ) || repositoryRequest.isMetadataSupportFile(
 323             requestedResource ) ) && repoGroupConfig != null )
 324         {
 325             // this should only be at the project level not version level!
 326             if ( isProjectReference( requestedResource ) )
 327             {
 328
 329                 ArchivaDavResource res = (ArchivaDavResource) resource;
 330                 String filePath =
 331                     StringUtils.substringBeforeLast( res.getLocalResource().getAbsolutePath().replace( '\\', '/' ),
 332                                                      "/" );
 333                 filePath = filePath + "/maven-metadata-" + repoGroupConfig.getId() + ".xml";
 334
 335                 // for MRM-872 handle checksums of the merged metadata files
 336                 if ( repositoryRequest.isSupportFile( requestedResource ) )
 337                 {
 338                     File metadataChecksum =
 339                         new File( filePath + "." + StringUtils.substringAfterLast( requestedResource, "." ) );
 340                     if ( metadataChecksum.exists() )
 341                     {
 342                         LogicalResource logicalResource =
 343                             new LogicalResource (getLogicalResource( archivaLocator, null, false ) );
 344
 345                         resource =
 346                             new ArchivaDavResource( metadataChecksum.getAbsolutePath(), logicalResource.getPath(), null,
 347                                                     request.getRemoteAddr(), activePrincipal, request.getDavSession(),
 348                                                     archivaLocator, this, mimeTypes, auditListeners, scheduler );
 349                     }
 350                 }
 351                 else
 352                 {
 353                     if ( resourcesInAbsolutePath != null && resourcesInAbsolutePath.size() > 1 )
 354                     {
 355                         // merge the metadata of all repos under group
 356                         ArchivaRepositoryMetadata mergedMetadata = new ArchivaRepositoryMetadata();
 357                         for ( String resourceAbsPath : resourcesInAbsolutePath )
 358                         {
 359                             try
 360                             {
 361                                 File metadataFile = new File( resourceAbsPath );
 362                                 ArchivaRepositoryMetadata repoMetadata = MavenMetadataReader.read( metadataFile );
 363                                 mergedMetadata = RepositoryMetadataMerge.merge( mergedMetadata, repoMetadata );
 364                             }
 365                             catch ( XMLException e )
 366                             {
 367                                 throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
 368                                                         "Error occurred while reading metadata file." );
 369                             }
 370                             catch ( RepositoryMetadataException r )
 371                             {
 372                                 throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
 373                                                         "Error occurred while merging metadata file." );
 374                             }
 375                         }
 376
 377                         try
 378                         {
 379                             File resourceFile = writeMergedMetadataToFile( mergedMetadata, filePath );
 380
 381                             LogicalResource logicalResource = new LogicalResource( getLogicalResource( archivaLocator, null, false ) );
 382
 383                             resource =
 384                                 new ArchivaDavResource( resourceFile.getAbsolutePath(), logicalResource.getPath(), null,
 385                                                         request.getRemoteAddr(), activePrincipal,
 386                                                         request.getDavSession(), archivaLocator, this, mimeTypes,
 387                                                         auditListeners, scheduler );
 388                         }
 389                         catch ( RepositoryMetadataException r )
 390                         {
 391                             throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
 392                                                     "Error occurred while writing metadata file." );
 393                         }
 394                         catch ( IOException ie )
 395                         {
 396                             throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
 397                                                     "Error occurred while generating checksum files." );
 398                         }
 399                         catch ( DigesterException de )
 400                         {
 401                             throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
 402                                                     "Error occurred while generating checksum files." + de.getMessage() );
 403                         }
 404                     }
 405                 }
 406             }
 407         }
 408
 409         setHeaders( response, locator, resource );
 410
 411         // compatibility with MRM-440 to ensure browsing the repository works ok
 412         if ( resource.isCollection() && !request.getRequestURI().endsWith( "/" ) )
 413         {
 414             throw new BrowserRedirectException( resource.getHref() );
 415         }
 416         resource.addLockManager( lockManager );
 417         return resource;
 418     }
 419
 420     private DavResource processRepositoryGroup( final DavServletRequest request,
 421                                                 ArchivaDavResourceLocator archivaLocator, List<String> repositories,
 422                                                 String activePrincipal, List<String> resourcesInAbsolutePath,
 423                                                 RepositoryGroupConfiguration repoGroupConfig )
 424         throws DavException
 425     {
 426         DavResource resource = null;
 427         List<DavException> storedExceptions = new ArrayList<DavException>();
 428
 429         String pathInfo = StringUtils.removeEnd( request.getPathInfo(), "/" );
 430
 431         String rootPath = StringUtils.substringBeforeLast( pathInfo, "/" );
 432
 433         if ( StringUtils.endsWith( rootPath, repoGroupConfig.getMergedIndexPath() ) )
 434         {
 435             // we are in the case of index file request
 436             String requestedFileName = StringUtils.substringAfterLast( pathInfo, "/" );
 437             File temporaryIndexDirectory =
 438                 buildMergedIndexDirectory( repositories, activePrincipal, request, repoGroupConfig );
 439
 440             File resourceFile = new File( temporaryIndexDirectory, requestedFileName );
 441             resource = new ArchivaDavResource( resourceFile.getAbsolutePath(), requestedFileName, null,
 442                                                request.getRemoteAddr(), activePrincipal, request.getDavSession(),
 443                                                archivaLocator, this, mimeTypes, auditListeners, scheduler );
 444
 445         }
 446         else
 447         {
 448             for ( String repositoryId : repositories )
 449             {
 450                 ManagedRepositoryContent managedRepositoryContent;
 451                 try
 452                 {
 453                     managedRepositoryContent = repositoryFactory.getManagedRepositoryContent( repositoryId );
 454                 }
 455                 catch ( RepositoryNotFoundException e )
 456                 {
 457                     throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e );
 458                 }
 459                 catch ( RepositoryException e )
 460                 {
 461                     throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e );
 462                 }
 463
 464                 try
 465                 {
 466                     ManagedRepository managedRepository = managedRepositoryAdmin.getManagedRepository( repositoryId );
 467                     DavResource updatedResource =
 468                         processRepository( request, archivaLocator, activePrincipal, managedRepositoryContent,
 469                                            managedRepository );
 470                     if ( resource == null )
 471                     {
 472                         resource = updatedResource;
 473                     }
 474
 475                     String logicalResource = getLogicalResource( archivaLocator, null, false );
 476                     if ( logicalResource.endsWith( "/" ) )
 477                     {
 478                         logicalResource = logicalResource.substring( 1 );
 479                     }
 480                     resourcesInAbsolutePath.add(
 481                         new File( managedRepositoryContent.getRepoRoot(), logicalResource ).getAbsolutePath() );
 482                 }
 483                 catch ( DavException e )
 484                 {
 485                     storedExceptions.add( e );
 486                 }
 487                 catch ( RepositoryAdminException e )
 488                 {
 489                     storedExceptions.add( new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e ) );
 490                 }
 491             }
 492         }
 493         if ( resource == null )
 494         {
 495             if ( !storedExceptions.isEmpty() )
 496             {
 497                 // MRM-1232
 498                 for ( DavException e : storedExceptions )
 499                 {
 500                     if ( 401 == e.getErrorCode() )
 501                     {
 502                         throw e;
 503                     }
 504                 }
 505
 506                 throw new DavException( HttpServletResponse.SC_NOT_FOUND );
 507             }
 508             else
 509             {
 510                 throw new DavException( HttpServletResponse.SC_NOT_FOUND );
 511             }
 512         }
 513         return resource;
 514     }
 515
 516     private String getLogicalResource( ArchivaDavResourceLocator archivaLocator, ManagedRepository managedRepository,
 517                                        boolean useOrigResourcePath )
 518     {
 519         // FIXME remove this hack
 520         // but currently managedRepository can be null in case of group
 521         String layout = managedRepository == null ? new ManagedRepository( ).getLayout() : managedRepository.getLayout();
 522         RepositoryStorage repositoryStorage =
 523             this.applicationContext.getBean( "repositoryStorage#" + layout, RepositoryStorage.class );
 524         String path = repositoryStorage.getFilePath(
 525             useOrigResourcePath ? archivaLocator.getOrigResourcePath() : archivaLocator.getResourcePath(), managedRepository );
 526         log.debug( "found path {} for resourcePath: '{}' with managedRepo '{}' and layout '{}'", path,
 527                    archivaLocator.getResourcePath(), managedRepository == null ? "null" : managedRepository.getId(), layout );
 528         return path;
 529     }
 530
 531     private String evaluatePathWithVersion( ArchivaDavResourceLocator archivaLocator, ManagedRepositoryContent managedRepositoryContent )
 532         throws DavException
 533     {
 534         String layout = managedRepositoryContent.getRepository() == null ? new ManagedRepository( ).getLayout() : managedRepositoryContent.getRepository().getLayout();
 535         RepositoryStorage repositoryStorage =
 536             this.applicationContext.getBean( "repositoryStorage#" + layout, RepositoryStorage.class );
 537         try
 538         {
 539             return repositoryStorage.getFilePathWithVersion( archivaLocator.getResourcePath(), managedRepositoryContent );
 540         }
 541         catch ( RelocationException e )
 542         {
 543             log.error( e.getMessage(), e );
 544             throw new BrowserRedirectException( e.getPath() );
 545         }
 546         catch ( XMLException e )
 547         {
 548             log.error( e.getMessage(), e );
 549             throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e );
 550         }
 551     }
 552
 553     private DavResource processRepository( final DavServletRequest request, ArchivaDavResourceLocator archivaLocator,
 554                                            String activePrincipal, ManagedRepositoryContent managedRepositoryContent,
 555                                            ManagedRepository managedRepository )
 556         throws DavException
 557     {
 558         DavResource resource = null;
 559         if ( isAuthorized( request, managedRepositoryContent.getId() ) )
 560         {
 561             // Maven Centric part ask evaluation if -SNAPSHOT
 562             String path = evaluatePathWithVersion(archivaLocator, managedRepositoryContent);
 563             if ( path.startsWith( "/" ) )
 564             {
 565                 path = path.substring( 1 );
 566             }
 567             LogicalResource logicalResource = new LogicalResource( path );
 568             File resourceFile = new File( managedRepositoryContent.getRepoRoot(), path );
 569             resource =
 570                 new ArchivaDavResource( resourceFile.getAbsolutePath(), path, managedRepositoryContent.getRepository(),
 571                                         request.getRemoteAddr(), activePrincipal, request.getDavSession(),
 572                                         archivaLocator, this, mimeTypes, auditListeners, scheduler );
 573
 574             if ( WebdavMethodUtil.isReadMethod( request.getMethod() ) )
 575             {
 576                 if ( archivaLocator.getHref( false ).endsWith( "/" ) && !resourceFile.isDirectory() )
 577                 {
 578                     // force a resource not found
 579                     throw new DavException( HttpServletResponse.SC_NOT_FOUND, "Resource does not exist" );
 580                 }
 581                 else
 582                 {
 583                     if ( !resource.isCollection() )
 584                     {
 585                         boolean previouslyExisted = resourceFile.exists();
 586
 587                         // Attempt to fetch the resource from any defined proxy.
 588                         boolean fromProxy =
 589                             fetchContentFromProxies( managedRepositoryContent, request, logicalResource );
 590
 591                         // At this point the incoming request can either be in default or
 592                         // legacy layout format.
 593                         try
 594                         {
 595                             // Perform an adjustment of the resource to the managed
 596                             // repository expected path.
 597                             String localResourcePath =
 598                                 repositoryRequest.toNativePath( logicalResource.getPath(), managedRepositoryContent );
 599                             resourceFile = new File( managedRepositoryContent.getRepoRoot(), localResourcePath );
 600                             resource =
 601                                 new ArchivaDavResource( resourceFile.getAbsolutePath(), logicalResource.getPath(),
 602                                                         managedRepositoryContent.getRepository(),
 603                                                         request.getRemoteAddr(), activePrincipal,
 604                                                         request.getDavSession(), archivaLocator, this, mimeTypes,
 605                                                         auditListeners, scheduler );
 606                         }
 607                         catch ( LayoutException e )
 608                         {
 609                             if ( !resourceFile.exists() )
 610                             {
 611                                 throw new DavException( HttpServletResponse.SC_NOT_FOUND, e );
 612                             }
 613                         }
 614
 615                         if ( fromProxy )
 616                         {
 617                             String event = ( previouslyExisted ? AuditEvent.MODIFY_FILE : AuditEvent.CREATE_FILE )
 618                                 + PROXIED_SUFFIX;
 619
 620                             log.debug( "Proxied artifact '{}' in repository '{}' (current user '{}')",
 621                                        resourceFile.getName(), managedRepositoryContent.getId(), activePrincipal );
 622
 623                             triggerAuditEvent( request.getRemoteAddr(), archivaLocator.getRepositoryId(),
 624                                                logicalResource.getPath(), event, activePrincipal );
 625                         }
 626
 627                         if ( !resourceFile.exists() )
 628                         {
 629                             throw new DavException( HttpServletResponse.SC_NOT_FOUND, "Resource does not exist" );
 630                         }
 631                     }
 632                 }
 633             }
 634
 635             if ( request.getMethod().equals( HTTP_PUT_METHOD ) )
 636             {
 637                 String resourcePath = logicalResource.getPath();
 638
 639                 // check if target repo is enabled for releases
 640                 // we suppose that release-artifacts can be deployed only to repos enabled for releases
 641                 if ( managedRepositoryContent.getRepository().isReleases() && !repositoryRequest.isMetadata(
 642                     resourcePath ) && !repositoryRequest.isSupportFile( resourcePath ) )
 643                 {
 644                     ArtifactReference artifact = null;
 645                     try
 646                     {
 647                         artifact = managedRepositoryContent.toArtifactReference( resourcePath );
 648
 649                         if ( !VersionUtil.isSnapshot( artifact.getVersion() ) )
 650                         {
 651                             // check if artifact already exists and if artifact re-deployment to the repository is allowed
 652                             if ( managedRepositoryContent.hasContent( artifact )
 653                                 && managedRepositoryContent.getRepository().isBlockRedeployments() )
 654                             {
 655                                 log.warn( "Overwriting released artifacts in repository '{}' is not allowed.",
 656                                           managedRepositoryContent.getId() );
 657                                 throw new DavException( HttpServletResponse.SC_CONFLICT,
 658                                                         "Overwriting released artifacts is not allowed." );
 659                             }
 660                         }
 661                     }
 662                     catch ( LayoutException e )
 663                     {
 664                         log.warn( "Artifact path '{}' is invalid.", resourcePath );
 665                     }
 666                 }
 667
 668                 /*
 669                  * Create parent directories that don't exist when writing a file This actually makes this
 670                  * implementation not compliant to the WebDAV RFC - but we have enough knowledge about how the
 671                  * collection is being used to do this reasonably and some versions of Maven's WebDAV don't correctly
 672                  * create the collections themselves.
 673                  */
 674
 675                 File rootDirectory = new File( managedRepositoryContent.getRepoRoot() );
 676                 File destDir = new File( rootDirectory, logicalResource.getPath() ).getParentFile();
 677
 678                 if ( !destDir.exists() )
 679                 {
 680                     destDir.mkdirs();
 681                     String relPath = PathUtil.getRelative( rootDirectory.getAbsolutePath(), destDir );
 682
 683                     log.debug( "Creating destination directory '{}' (current user '{}')", destDir.getName(),
 684                                activePrincipal );
 685
 686                     triggerAuditEvent( request.getRemoteAddr(), managedRepositoryContent.getId(), relPath,
 687                                        AuditEvent.CREATE_DIR, activePrincipal );
 688                 }
 689             }
 690         }
 691         return resource;
 692     }
 693
 694     public DavResource createResource( final DavResourceLocator locator, final DavSession davSession )
 695         throws DavException
 696     {
 697         ArchivaDavResourceLocator archivaLocator = checkLocatorIsInstanceOfRepositoryLocator( locator );
 698
 699         ManagedRepositoryContent managedRepositoryContent;
 700         try
 701         {
 702             managedRepositoryContent =
 703                 repositoryFactory.getManagedRepositoryContent( archivaLocator.getRepositoryId() );
 704         }
 705         catch ( RepositoryNotFoundException e )
 706         {
 707             throw new DavException( HttpServletResponse.SC_NOT_FOUND,
 708                                     "Invalid repository: " + archivaLocator.getRepositoryId() );
 709         }
 710         catch ( RepositoryException e )
 711         {
 712             throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e );
 713         }
 714
 715         DavResource resource = null;
 716         try
 717         {
 718             String logicalResource = getLogicalResource( archivaLocator, managedRepositoryAdmin.getManagedRepository(
 719                 archivaLocator.getRepositoryId() ), false );
 720             if ( logicalResource.startsWith( "/" ) )
 721             {
 722                 logicalResource = logicalResource.substring( 1 );
 723             }
 724             File resourceFile = new File( managedRepositoryContent.getRepoRoot(), logicalResource );
 725             resource = new ArchivaDavResource( resourceFile.getAbsolutePath(), logicalResource,
 726                                                managedRepositoryContent.getRepository(), davSession, archivaLocator,
 727                                                this, mimeTypes, auditListeners, scheduler );
 728
 729             resource.addLockManager( lockManager );
 730         }
 731         catch ( RepositoryAdminException e )
 732         {
 733             throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e );
 734         }
 735         return resource;
 736     }
 737
 738     private boolean fetchContentFromProxies( ManagedRepositoryContent managedRepository, DavServletRequest request,
 739                                              LogicalResource resource )
 740         throws DavException
 741     {
 742         String path = resource.getPath();
 743         if ( repositoryRequest.isSupportFile( path ) )
 744         {
 745             File proxiedFile = connectors.fetchFromProxies( managedRepository, path );
 746
 747             return ( proxiedFile != null );
 748         }
 749
 750         // Is it a Metadata resource?
 751         if ( repositoryRequest.isDefault( path ) && repositoryRequest.isMetadata( path ) )
 752         {
 753             return connectors.fetchMetatadaFromProxies( managedRepository, path ) != null;
 754         }
 755
 756         // Is it an Archetype Catalog?
 757         if ( repositoryRequest.isArchetypeCatalog( path ) )
 758         {
 759             // FIXME we must implement a merge of remote archetype catalog from remote servers.
 760             File proxiedFile = connectors.fetchFromProxies( managedRepository, path );
 761
 762             return ( proxiedFile != null );
 763         }
 764
 765         // Not any of the above? Then it's gotta be an artifact reference.
 766         try
 767         {
 768             // Get the artifact reference in a layout neutral way.
 769             ArtifactReference artifact = repositoryRequest.toArtifactReference( path );
 770
 771             if ( artifact != null )
 772             {
 773                 String repositoryLayout = managedRepository.getRepository().getLayout();
 774
 775                 RepositoryStorage repositoryStorage =
 776                     this.applicationContext.getBean( "repositoryStorage#" + repositoryLayout, RepositoryStorage.class );
 777                 repositoryStorage.applyServerSideRelocation( managedRepository, artifact );
 778
 779                 File proxiedFile = connectors.fetchFromProxies( managedRepository, artifact );
 780
 781                 resource.setPath( managedRepository.toPath( artifact ) );
 782
 783                 log.debug( "Proxied artifact '{}:{}:{}'", artifact.getGroupId(), artifact.getArtifactId(),
 784                            artifact.getVersion() );
 785
 786                 return ( proxiedFile != null );
 787             }
 788         }
 789         catch ( LayoutException e )
 790         {
 791             /* eat it */
 792         }
 793         catch ( ProxyDownloadException e )
 794         {
 795             log.error( e.getMessage(), e );
 796             throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
 797                                     "Unable to fetch artifact resource." );
 798         }
 799         return false;
 800     }
 801
 802     // TODO: remove?
 803
 804     private void triggerAuditEvent( String remoteIP, String repositoryId, String resource, String action,
 805                                     String principal )
 806     {
 807         AuditEvent event = new AuditEvent( repositoryId, principal, resource, action );
 808         event.setRemoteIP( remoteIP );
 809
 810         for ( AuditListener listener : auditListeners )
 811         {
 812             listener.auditEvent( event );
 813         }
 814     }
 815
 816     public void addAuditListener( AuditListener listener )
 817     {
 818         this.auditListeners.add( listener );
 819     }
 820
 821     public void clearAuditListeners()
 822     {
 823         this.auditListeners.clear();
 824     }
 825
 826     public void removeAuditListener( AuditListener listener )
 827     {
 828         this.auditListeners.remove( listener );
 829     }
 830
 831     private void setHeaders( DavServletResponse response, DavResourceLocator locator, DavResource resource )
 832     {
 833         // [MRM-503] - Metadata file need Pragma:no-cache response
 834         // header.
 835         if ( locator.getResourcePath().endsWith( "/maven-metadata.xml" )
 836             || ( (ArchivaDavResource) resource ).getLocalResource().isDirectory() )
 837         {
 838             response.setHeader( "Pragma", "no-cache" );
 839             response.setHeader( "Cache-Control", "no-cache" );
 840             response.setDateHeader( "Last-Modified", new Date().getTime() );
 841         }
 842         // if the resource is a directory don't cache it as new groupId deployed will be available
 843         // without need of refreshing browser
 844         else
 845         {
 846             // We need to specify this so connecting wagons can work correctly
 847             response.setDateHeader( "Last-Modified", resource.getModificationTime() );
 848         }
 849         // TODO: [MRM-524] determine http caching options for other types of files (artifacts, sha1, md5, snapshots)
 850     }
 851
 852     private ArchivaDavResourceLocator checkLocatorIsInstanceOfRepositoryLocator( DavResourceLocator locator )
 853         throws DavException
 854     {
 855         if ( !( locator instanceof ArchivaDavResourceLocator ) )
 856         {
 857             throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
 858                                     "Locator does not implement RepositoryLocator" );
 859         }
 860
 861         // Hidden paths
 862         if ( locator.getResourcePath().startsWith( ArchivaDavResource.HIDDEN_PATH_PREFIX ) )
 863         {
 864             throw new DavException( HttpServletResponse.SC_NOT_FOUND );
 865         }
 866
 867         ArchivaDavResourceLocator archivaLocator = (ArchivaDavResourceLocator) locator;
 868
 869         // MRM-419 - Windows Webdav support. Should not 404 if there is no content.
 870         if ( StringUtils.isEmpty( archivaLocator.getRepositoryId() ) )
 871         {
 872             throw new DavException( HttpServletResponse.SC_NO_CONTENT );
 873         }
 874         return archivaLocator;
 875     }
 876
 877     private static class LogicalResource
 878     {
 879         private String path;
 880
 881         public LogicalResource( String path )
 882         {
 883             this.path = path;
 884         }
 885
 886         public String getPath()
 887         {
 888             return path;
 889         }
 890
 891         public void setPath( String path )
 892         {
 893             this.path = path;
 894         }
 895     }
 896
 897     protected boolean isAuthorized( DavServletRequest request, String repositoryId )
 898         throws DavException
 899     {
 900         try
 901         {
 902             AuthenticationResult result = httpAuth.getAuthenticationResult( request, null );
 903             SecuritySession securitySession = httpAuth.getSecuritySession( request.getSession( true ) );
 904
 905             return servletAuth.isAuthenticated( request, result ) && servletAuth.isAuthorized( request, securitySession,
 906                                                                                                repositoryId,
 907                                                                                                WebdavMethodUtil.getMethodPermission(
 908                                                                                                    request.getMethod() ) );
 909         }
 910         catch ( AuthenticationException e )
 911         {
 912             // safety check for MRM-911
 913             String guest = UserManager.GUEST_USERNAME;
 914             try
 915             {
 916                 if ( servletAuth.isAuthorized( guest,
 917                                                ( (ArchivaDavResourceLocator) request.getRequestLocator() ).getRepositoryId(),
 918                                                WebdavMethodUtil.getMethodPermission( request.getMethod() ) ) )
 919                 {
 920                     return true;
 921                 }
 922             }
 923             catch ( UnauthorizedException ae )
 924             {
 925                 throw new UnauthorizedDavException( repositoryId,
 926                                                     "You are not authenticated and authorized to access any repository." );
 927             }
 928
 929             throw new UnauthorizedDavException( repositoryId, "You are not authenticated" );
 930         }
 931         catch ( MustChangePasswordException e )
 932         {
 933             throw new UnauthorizedDavException( repositoryId, "You must change your password." );
 934         }
 935         catch ( AccountLockedException e )
 936         {
 937             throw new UnauthorizedDavException( repositoryId, "User account is locked." );
 938         }
 939         catch ( AuthorizationException e )
 940         {
 941             throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
 942                                     "Fatal Authorization Subsystem Error." );
 943         }
 944         catch ( UnauthorizedException e )
 945         {
 946             throw new UnauthorizedDavException( repositoryId, e.getMessage() );
 947         }
 948     }
 949
 950     private DavResource getResourceFromGroup( DavServletRequest request, List<String> repositories,
 951                                               ArchivaDavResourceLocator locator,
 952                                               RepositoryGroupConfiguration repositoryGroupConfiguration )
 953         throws DavException, RepositoryAdminException
 954     {
 955         List<File> mergedRepositoryContents = new ArrayList<File>();
 956         // multiple repo types so we guess they are all the same type
 957         // so use the first one
 958         // FIXME add a method with group in the repository storage
 959         String firstRepoId = repositoryGroupConfiguration.getRepositories().get( 1 );
 960
 961         String path = getLogicalResource( locator, managedRepositoryAdmin.getManagedRepository( firstRepoId ), false );
 962         if ( path.startsWith( "/" ) )
 963         {
 964             path = path.substring( 1 );
 965         }
 966         LogicalResource logicalResource = new LogicalResource( path );
 967
 968         // flow:
 969         // if the current user logged in has permission to any of the repositories, allow user to
 970         // browse the repo group but displaying only the repositories which the user has permission to access.
 971         // otherwise, prompt for authentication.
 972
 973         String activePrincipal = getActivePrincipal( request );
 974
 975         boolean allow = isAllowedToContinue( request, repositories, activePrincipal );
 976
 977         // remove last /
 978         String pathInfo = StringUtils.removeEnd( request.getPathInfo(), "/" );
 979
 980         if ( allow )
 981         {
 982
 983             if ( StringUtils.endsWith( pathInfo, repositoryGroupConfiguration.getMergedIndexPath() ) )
 984             {
 985                 File mergedRepoDir =
 986                     buildMergedIndexDirectory( repositories, activePrincipal, request, repositoryGroupConfiguration );
 987                 mergedRepositoryContents.add( mergedRepoDir );
 988             }
 989             else
 990             {
 991                 if ( StringUtils.equalsIgnoreCase( pathInfo, "/" + repositoryGroupConfiguration.getId() ) )
 992                 {
 993                     File tmpDirectory = new File( SystemUtils.getJavaIoTmpDir(),
 994                                                   repositoryGroupConfiguration.getId() + "/"
 995                                                       + repositoryGroupConfiguration.getMergedIndexPath() );
 996                     if ( !tmpDirectory.exists() )
 997                     {
 998                         synchronized ( tmpDirectory.getAbsolutePath() )
 999                         {
1000                             if ( !tmpDirectory.exists() )
1001                             {
1002                                 tmpDirectory.mkdirs();
1003                             }
1004                         }
1005                     }
1006                     mergedRepositoryContents.add( tmpDirectory.getParentFile() );
1007                 }
1008                 for ( String repository : repositories )
1009                 {
1010                     ManagedRepositoryContent managedRepository = null;
1011
1012                     try
1013                     {
1014                         managedRepository = repositoryFactory.getManagedRepositoryContent( repository );
1015                     }
1016                     catch ( RepositoryNotFoundException e )
1017                     {
1018                         throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
1019                                                 "Invalid managed repository <" + repository + ">: " + e.getMessage() );
1020                     }
1021                     catch ( RepositoryException e )
1022                     {
1023                         throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
1024                                                 "Invalid managed repository <" + repository + ">: " + e.getMessage() );
1025                     }
1026
1027                     File resourceFile = new File( managedRepository.getRepoRoot(), logicalResource.getPath() );
1028                     if ( resourceFile.exists() )
1029                     {
1030                         // in case of group displaying index directory doesn't have sense !!
1031                         String repoIndexDirectory = managedRepository.getRepository().getIndexDirectory();
1032                         if ( StringUtils.isNotEmpty( repoIndexDirectory ) )
1033                         {
1034                             if ( !new File( repoIndexDirectory ).isAbsolute() )
1035                             {
1036                                 repoIndexDirectory = new File( managedRepository.getRepository().getLocation(),
1037                                                                StringUtils.isEmpty( repoIndexDirectory )
1038                                                                    ? ".indexer"
1039                                                                    : repoIndexDirectory ).getAbsolutePath();
1040                             }
1041                         }
1042                         if ( StringUtils.isEmpty( repoIndexDirectory ) )
1043                         {
1044                             repoIndexDirectory = new File( managedRepository.getRepository().getLocation(),
1045                                                            ".indexer" ).getAbsolutePath();
1046                         }
1047
1048                         if ( !StringUtils.equals( FilenameUtils.normalize( repoIndexDirectory ),
1049                                                   FilenameUtils.normalize( resourceFile.getAbsolutePath() ) ) )
1050                         {
1051                             // for prompted authentication
1052                             if ( httpAuth.getSecuritySession( request.getSession( true ) ) != null )
1053                             {
1054                                 try
1055                                 {
1056                                     if ( isAuthorized( request, repository ) )
1057                                     {
1058                                         mergedRepositoryContents.add( resourceFile );
1059                                         log.debug( "Repository '{}' accessed by '{}'", repository, activePrincipal );
1060                                     }
1061                                 }
1062                                 catch ( DavException e )
1063                                 {
1064                                     // TODO: review exception handling
1065
1066                                     log.debug( "Skipping repository '{}' for user '{}': {}", managedRepository,
1067                                                activePrincipal, e.getMessage() );
1068
1069                                 }
1070
1071                             }
1072                             else
1073                             {
1074                                 // for the current user logged in
1075                                 try
1076                                 {
1077                                     if ( servletAuth.isAuthorized( activePrincipal, repository,
1078                                                                    WebdavMethodUtil.getMethodPermission(
1079                                                                        request.getMethod() ) ) )
1080                                     {
1081                                         mergedRepositoryContents.add( resourceFile );
1082                                         log.debug( "Repository '{}' accessed by '{}'", repository, activePrincipal );
1083                                     }
1084                                 }
1085                                 catch ( UnauthorizedException e )
1086                                 {
1087                                     // TODO: review exception handling
1088
1089                                     log.debug( "Skipping repository '{}' for user '{}': {}", managedRepository,
1090                                                activePrincipal, e.getMessage() );
1091
1092                                 }
1093                             }
1094                         }
1095                     }
1096                 }
1097             }
1098         }
1099         else
1100         {
1101             throw new UnauthorizedDavException( locator.getRepositoryId(), "User not authorized." );
1102         }
1103
1104         ArchivaVirtualDavResource resource =
1105             new ArchivaVirtualDavResource( mergedRepositoryContents, logicalResource.getPath(), mimeTypes, locator,
1106                                            this );
1107
1108         // compatibility with MRM-440 to ensure browsing the repository group works ok
1109         if ( resource.isCollection() && !request.getRequestURI().endsWith( "/" ) )
1110         {
1111             throw new BrowserRedirectException( resource.getHref() );
1112         }
1113
1114         return resource;
1115     }
1116
1117     protected String getActivePrincipal( DavServletRequest request )
1118     {
1119         User sessionUser = httpAuth.getSessionUser( request.getSession() );
1120         return sessionUser != null ? sessionUser.getUsername() : UserManager.GUEST_USERNAME;
1121     }
1122
1123     /**
1124      * Check if the current user is authorized to access any of the repos
1125      *
1126      * @param request
1127      * @param repositories
1128      * @param activePrincipal
1129      * @return
1130      */
1131     private boolean isAllowedToContinue( DavServletRequest request, List<String> repositories, String activePrincipal )
1132     {
1133         // when no repositories configured it's impossible to browse nothing !
1134         // at least make possible to see nothing :-)
1135         if ( repositories == null || repositories.isEmpty() )
1136         {
1137             return true;
1138         }
1139
1140         boolean allow = false;
1141
1142         // if securitySession != null, it means that the user was prompted for authentication
1143         if ( httpAuth.getSecuritySession( request.getSession() ) != null )
1144         {
1145             for ( String repository : repositories )
1146             {
1147                 try
1148                 {
1149                     if ( isAuthorized( request, repository ) )
1150                     {
1151                         allow = true;
1152                         break;
1153                     }
1154                 }
1155                 catch ( DavException e )
1156                 {
1157                     continue;
1158                 }
1159             }
1160         }
1161         else
1162         {
1163             for ( String repository : repositories )
1164             {
1165                 try
1166                 {
1167                     if ( servletAuth.isAuthorized( activePrincipal, repository,
1168                                                    WebdavMethodUtil.getMethodPermission( request.getMethod() ) ) )
1169                     {
1170                         allow = true;
1171                         break;
1172                     }
1173                 }
1174                 catch ( UnauthorizedException e )
1175                 {
1176                     continue;
1177                 }
1178             }
1179         }
1180
1181         return allow;
1182     }
1183
1184     private File writeMergedMetadataToFile( ArchivaRepositoryMetadata mergedMetadata, String outputFilename )
1185         throws RepositoryMetadataException, DigesterException, IOException
1186     {
1187         File outputFile = new File( outputFilename );
1188         if ( outputFile.exists() )
1189         {
1190             FileUtils.deleteQuietly( outputFile );
1191         }
1192
1193         outputFile.getParentFile().mkdirs();
1194         RepositoryMetadataWriter.write( mergedMetadata, outputFile );
1195
1196         createChecksumFile( outputFilename, digestSha1 );
1197         createChecksumFile( outputFilename, digestMd5 );
1198
1199         return outputFile;
1200     }
1201
1202     private void createChecksumFile( String path, Digester digester )
1203         throws DigesterException, IOException
1204     {
1205         File checksumFile = new File( path + digester.getFilenameExtension() );
1206         if ( !checksumFile.exists() )
1207         {
1208             FileUtils.deleteQuietly( checksumFile );
1209             checksum.createChecksum( new File( path ), digester );
1210         }
1211         else if ( !checksumFile.isFile() )
1212         {
1213             log.error( "Checksum file is not a file." );
1214         }
1215     }
1216
1217     private boolean isProjectReference( String requestedResource )
1218     {
1219         try
1220         {
1221             metadataTools.toVersionedReference( requestedResource );
1222             return false;
1223         }
1224         catch ( RepositoryMetadataException re )
1225         {
1226             return true;
1227         }
1228     }
1229
1230     protected File buildMergedIndexDirectory( List<String> repositories, String activePrincipal,
1231                                               DavServletRequest request,
1232                                               RepositoryGroupConfiguration repositoryGroupConfiguration )
1233         throws DavException
1234     {
1235
1236         try
1237         {
1238             HttpSession session = request.getSession();
1239
1240             Map<String, TemporaryGroupIndex> temporaryGroupIndexMap =
1241                 (Map<String, TemporaryGroupIndex>) session.getAttribute(
1242                     TemporaryGroupIndexSessionCleaner.TEMPORARY_INDEX_SESSION_KEY );
1243             if ( temporaryGroupIndexMap == null )
1244             {
1245                 temporaryGroupIndexMap = new HashMap<String, TemporaryGroupIndex>();
1246             }
1247
1248             TemporaryGroupIndex tmp = temporaryGroupIndexMap.get( repositoryGroupConfiguration.getId() );
1249
1250             if ( tmp != null && tmp.getDirectory() != null && tmp.getDirectory().exists() )
1251             {
1252                 if ( System.currentTimeMillis() - tmp.getCreationTime() > (
1253                     repositoryGroupConfiguration.getMergedIndexTtl() * 60 * 1000 ) )
1254                 {
1255                     log.debug( MarkerFactory.getMarker( "group.merged.index" ),
1256                                "tmp group index '{}' is too old so delete it", repositoryGroupConfiguration.getId() );
1257                     indexMerger.cleanTemporaryGroupIndex( tmp );
1258                 }
1259                 else
1260                 {
1261                     log.debug( MarkerFactory.getMarker( "group.merged.index" ),
1262                                "merged index for group '{}' found in cache", repositoryGroupConfiguration.getId() );
1263                     return tmp.getDirectory();
1264                 }
1265             }
1266
1267             Set<String> authzRepos = new HashSet<String>();
1268             for ( String repository : repositories )
1269             {
1270                 try
1271                 {
1272                     if ( servletAuth.isAuthorized( activePrincipal, repository,
1273                                                    WebdavMethodUtil.getMethodPermission( request.getMethod() ) ) )
1274                     {
1275                         authzRepos.add( repository );
1276                         authzRepos.addAll( this.repositorySearch.getRemoteIndexingContextIds( repository ) );
1277                     }
1278                 }
1279                 catch ( UnauthorizedException e )
1280                 {
1281                     // TODO: review exception handling
1282
1283                     log.debug( "Skipping repository '{}' for user '{}': {}", repository, activePrincipal,
1284                                e.getMessage() );
1285                 }
1286             }
1287             log.info( "generate temporary merged index for repository group '{}' for repositories '{}'",
1288                       repositoryGroupConfiguration.getId(), authzRepos );
1289             IndexingContext indexingContext = indexMerger.buildMergedIndex(
1290                 new IndexMergerRequest( authzRepos, true, repositoryGroupConfiguration.getId(),
1291                                         repositoryGroupConfiguration.getMergedIndexPath(),
1292                                         repositoryGroupConfiguration.getMergedIndexTtl() ) );
1293             File mergedRepoDir = indexingContext.getIndexDirectoryFile();
1294             TemporaryGroupIndex temporaryGroupIndex =
1295                 new TemporaryGroupIndex( mergedRepoDir, indexingContext.getId(), repositoryGroupConfiguration.getId(),
1296                                          repositoryGroupConfiguration.getMergedIndexTtl() ).setCreationTime(
1297                     new Date().getTime() );
1298             temporaryGroupIndexMap.put( repositoryGroupConfiguration.getId(), temporaryGroupIndex );
1299             session.setAttribute( TemporaryGroupIndexSessionCleaner.TEMPORARY_INDEX_SESSION_KEY,
1300                                   temporaryGroupIndexMap );
1301             return mergedRepoDir;
1302         }
1303         catch ( RepositoryAdminException e )
1304         {
1305             throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e );
1306         }
1307         catch ( IndexMergerException e )
1308         {
1309             throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e );
1310         }
1311     }
1312
1313
1314     public void setServletAuth( ServletAuthenticator servletAuth )
1315     {
1316         this.servletAuth = servletAuth;
1317     }
1318
1319     public void setHttpAuth( HttpAuthenticator httpAuth )
1320     {
1321         this.httpAuth = httpAuth;
1322     }
1323
1324     public void setScheduler( RepositoryArchivaTaskScheduler scheduler )
1325     {
1326         this.scheduler = scheduler;
1327     }
1328
1329     public void setArchivaConfiguration( ArchivaConfiguration archivaConfiguration )
1330     {
1331         this.archivaConfiguration = archivaConfiguration;
1332     }
1333
1334     public void setRepositoryFactory( RepositoryContentFactory repositoryFactory )
1335     {
1336         this.repositoryFactory = repositoryFactory;
1337     }
1338
1339     public void setRepositoryRequest( RepositoryRequest repositoryRequest )
1340     {
1341         this.repositoryRequest = repositoryRequest;
1342     }
1343
1344     public void setConnectors( RepositoryProxyConnectors connectors )
1345     {
1346         this.connectors = connectors;
1347     }
1348
1349     public RemoteRepositoryAdmin getRemoteRepositoryAdmin()
1350     {
1351         return remoteRepositoryAdmin;
1352     }
1353
1354     public void setRemoteRepositoryAdmin( RemoteRepositoryAdmin remoteRepositoryAdmin )
1355     {
1356         this.remoteRepositoryAdmin = remoteRepositoryAdmin;
1357     }
1358
1359     public ManagedRepositoryAdmin getManagedRepositoryAdmin()
1360     {
1361         return managedRepositoryAdmin;
1362     }
1363
1364     public void setManagedRepositoryAdmin( ManagedRepositoryAdmin managedRepositoryAdmin )
1365     {
1366         this.managedRepositoryAdmin = managedRepositoryAdmin;
1367     }
1368 }