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

   1 package org.apache.maven.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 java.io.File;
  23 import java.io.FileNotFoundException;
  24 import java.io.FileReader;
  25 import java.io.IOException;
  26 import java.util.ArrayList;
  27 import java.util.HashMap;
  28 import java.util.List;
  29 import java.util.Map;
  30
  31 import javax.servlet.http.HttpServletResponse;
  32
  33 import org.apache.commons.io.FileUtils;
  34 import org.apache.commons.lang.StringUtils;
  35 import org.apache.jackrabbit.webdav.DavException;
  36 import org.apache.jackrabbit.webdav.DavResource;
  37 import org.apache.jackrabbit.webdav.DavResourceFactory;
  38 import org.apache.jackrabbit.webdav.DavResourceLocator;
  39 import org.apache.jackrabbit.webdav.DavServletRequest;
  40 import org.apache.jackrabbit.webdav.DavServletResponse;
  41 import org.apache.jackrabbit.webdav.DavSession;
  42 import org.apache.jackrabbit.webdav.lock.LockManager;
  43 import org.apache.jackrabbit.webdav.lock.SimpleLockManager;
  44 import org.apache.maven.archiva.common.utils.PathUtil;
  45 import org.apache.maven.archiva.configuration.ArchivaConfiguration;
  46 import org.apache.maven.archiva.configuration.RepositoryGroupConfiguration;
  47 import org.apache.maven.archiva.model.ArchivaRepositoryMetadata;
  48 import org.apache.maven.archiva.model.ArtifactReference;
  49 import org.apache.maven.archiva.model.VersionedReference;
  50 import org.apache.maven.archiva.policies.ProxyDownloadException;
  51 import org.apache.maven.archiva.proxy.RepositoryProxyConnectors;
  52 import org.apache.maven.archiva.repository.ManagedRepositoryContent;
  53 import org.apache.maven.archiva.repository.RepositoryContentFactory;
  54 import org.apache.maven.archiva.repository.RepositoryException;
  55 import org.apache.maven.archiva.repository.RepositoryNotFoundException;
  56 import org.apache.maven.archiva.repository.audit.AuditEvent;
  57 import org.apache.maven.archiva.repository.audit.AuditListener;
  58 import org.apache.maven.archiva.repository.audit.Auditable;
  59 import org.apache.maven.archiva.repository.content.RepositoryRequest;
  60 import org.apache.maven.archiva.repository.layout.LayoutException;
  61 import org.apache.maven.archiva.repository.metadata.MetadataTools;
  62 import org.apache.maven.archiva.repository.metadata.RepositoryMetadataException;
  63 import org.apache.maven.archiva.repository.metadata.RepositoryMetadataMerge;
  64 import org.apache.maven.archiva.repository.metadata.RepositoryMetadataReader;
  65 import org.apache.maven.archiva.repository.metadata.RepositoryMetadataWriter;
  66 import org.apache.maven.archiva.repository.scanner.RepositoryContentConsumers;
  67 import org.apache.maven.archiva.security.ArchivaXworkUser;
  68 import org.apache.maven.archiva.security.ServletAuthenticator;
  69 import org.apache.maven.archiva.webdav.util.MimeTypes;
  70 import org.apache.maven.archiva.webdav.util.RepositoryPathUtil;
  71 import org.apache.maven.archiva.webdav.util.WebdavMethodUtil;
  72 import org.apache.maven.model.DistributionManagement;
  73 import org.apache.maven.model.Model;
  74 import org.apache.maven.model.Relocation;
  75 import org.apache.maven.model.io.xpp3.MavenXpp3Reader;
  76 import org.codehaus.plexus.digest.ChecksumFile;
  77 import org.codehaus.plexus.digest.Digester;
  78 import org.codehaus.plexus.digest.DigesterException;
  79 import org.codehaus.plexus.redback.authentication.AuthenticationException;
  80 import org.codehaus.plexus.redback.authentication.AuthenticationResult;
  81 import org.codehaus.plexus.redback.authorization.AuthorizationException;
  82 import org.codehaus.plexus.redback.authorization.UnauthorizedException;
  83 import org.codehaus.plexus.redback.policy.AccountLockedException;
  84 import org.codehaus.plexus.redback.policy.MustChangePasswordException;
  85 import org.codehaus.plexus.redback.system.SecuritySession;
  86 import org.codehaus.plexus.redback.system.SecuritySystemConstants;
  87 import org.codehaus.plexus.util.xml.pull.XmlPullParserException;
  88 import org.codehaus.redback.integration.filter.authentication.HttpAuthenticator;
  89 import org.slf4j.Logger;
  90 import org.slf4j.LoggerFactory;
  91
  92 import com.opensymphony.xwork2.ActionContext;
  93
  94 /**
  95  * @author <a href="mailto:james@atlassian.com">James William Dumay</a>
  96  * @plexus.component role="org.apache.maven.archiva.webdav.ArchivaDavResourceFactory"
  97  */
  98 public class ArchivaDavResourceFactory
  99     implements DavResourceFactory, Auditable
 100 {
 101     private static final String PROXIED_SUFFIX = " (proxied)";
 102
 103     private static final String HTTP_PUT_METHOD = "PUT";
 104
 105     private Logger log = LoggerFactory.getLogger( ArchivaDavResourceFactory.class );
 106
 107     /**
 108      * @plexus.requirement role="org.apache.maven.archiva.repository.audit.AuditListener"
 109      */
 110     private List<AuditListener> auditListeners = new ArrayList<AuditListener>();
 111
 112     /**
 113      * @plexus.requirement
 114      */
 115     private RepositoryContentFactory repositoryFactory;
 116
 117     /**
 118      * @plexus.requirement
 119      */
 120     private RepositoryRequest repositoryRequest;
 121
 122     /**
 123      * @plexus.requirement role-hint="default"
 124      */
 125     private RepositoryProxyConnectors connectors;
 126
 127     /**
 128      * @plexus.requirement
 129      */
 130     private MetadataTools metadataTools;
 131
 132     /**
 133      * @plexus.requirement
 134      */
 135     private MimeTypes mimeTypes;
 136
 137     /**
 138      * @plexus.requirement
 139      */
 140     private ArchivaConfiguration archivaConfiguration;
 141
 142     /**
 143      * @plexus.requirement
 144      */
 145     private ServletAuthenticator servletAuth;
 146
 147     /**
 148      * @plexus.requirement role-hint="basic"
 149      */
 150     private HttpAuthenticator httpAuth;
 151
 152     /**
 153      * Lock Manager - use simple implementation from JackRabbit
 154      */
 155     private final LockManager lockManager = new SimpleLockManager();
 156
 157     /**
 158      * @plexus.requirement
 159      */
 160     private RepositoryContentConsumers consumers;
 161
 162     /**
 163      * @plexus.requirement
 164      */
 165     private ChecksumFile checksum;
 166
 167     /**
 168      * @plexus.requirement role-hint="sha1"
 169      */
 170     private Digester digestSha1;
 171
 172     /**
 173      * @plexus.requirement role-hint="md5";
 174      */
 175     private Digester digestMd5;
 176
 177     /**
 178      * @plexus.requirement
 179      */
 180     private ArchivaXworkUser archivaXworkUser;
 181
 182     public DavResource createResource( final DavResourceLocator locator, final DavServletRequest request,
 183                                        final DavServletResponse response )
 184         throws DavException
 185     {
 186         checkLocatorIsInstanceOfRepositoryLocator( locator );
 187         ArchivaDavResourceLocator archivaLocator = (ArchivaDavResourceLocator) locator;
 188
 189         RepositoryGroupConfiguration repoGroupConfig =
 190             archivaConfiguration.getConfiguration().getRepositoryGroupsAsMap().get( archivaLocator.getRepositoryId() );
 191         List<String> repositories = new ArrayList<String>();
 192
 193         boolean isGet = WebdavMethodUtil.isReadMethod( request.getMethod() );
 194         boolean isPut = WebdavMethodUtil.isWriteMethod( request.getMethod() );
 195
 196         if ( repoGroupConfig != null )
 197         {
 198             if( WebdavMethodUtil.isWriteMethod( request.getMethod() ) )
 199             {
 200                 throw new DavException( HttpServletResponse.SC_METHOD_NOT_ALLOWED,
 201                                         "Write method not allowed for repository groups." );
 202             }
 203             repositories.addAll( repoGroupConfig.getRepositories() );
 204
 205             // handle browse requests for virtual repos
 206             if ( RepositoryPathUtil.getLogicalResource( locator.getResourcePath() ).endsWith( "/" ) )
 207             {
 208                 return getResource( request, repositories, archivaLocator );
 209             }
 210         }
 211         else
 212         {
 213             repositories.add( archivaLocator.getRepositoryId() );
 214         }
 215
 216         //MRM-419 - Windows Webdav support. Should not 404 if there is no content.
 217         if (StringUtils.isEmpty(archivaLocator.getRepositoryId()))
 218         {
 219             throw new DavException(HttpServletResponse.SC_NO_CONTENT);
 220         }
 221
 222         List<DavResource> availableResources = new ArrayList<DavResource>();
 223         List<String> resourcesInAbsolutePath = new ArrayList<String>();
 224         DavException e = null;
 225
 226         for ( String repositoryId : repositories )
 227         {
 228             ManagedRepositoryContent managedRepository = null;
 229
 230             try
 231             {
 232                 managedRepository = getManagedRepository( repositoryId );
 233             }
 234             catch ( DavException de )
 235             {
 236                 throw new DavException( HttpServletResponse.SC_NOT_FOUND, "Invalid managed repository <" +
 237                     repositoryId + ">" );
 238             }
 239
 240             DavResource resource = null;
 241
 242             if ( !locator.getResourcePath().startsWith( ArchivaDavResource.HIDDEN_PATH_PREFIX ) )
 243             {
 244                 if ( managedRepository != null )
 245                 {
 246                     try
 247                     {
 248                         if( isAuthorized( request, repositoryId ) )
 249                         {
 250                             LogicalResource logicalResource =
 251                                 new LogicalResource( RepositoryPathUtil.getLogicalResource( locator.getResourcePath() ) );
 252
 253                             if ( isGet )
 254                             {
 255                                 resource = doGet( managedRepository, request, archivaLocator, logicalResource );
 256                             }
 257
 258                             if ( isPut )
 259                             {
 260                                 resource = doPut( managedRepository, request, archivaLocator, logicalResource );
 261                             }
 262                         }
 263                     }
 264                     catch ( DavException de )
 265                     {
 266                         e = de;
 267                         continue;
 268                     }
 269
 270                     if( resource == null )
 271                     {
 272                         e = new DavException( HttpServletResponse.SC_NOT_FOUND, "Resource does not exist" );
 273                     }
 274                     else
 275                     {
 276                         availableResources.add( resource );
 277
 278                         String logicalResource = RepositoryPathUtil.getLogicalResource( locator.getResourcePath() );
 279                         resourcesInAbsolutePath.add( managedRepository.getRepoRoot() + logicalResource );
 280                     }
 281                 }
 282                 else
 283                 {
 284                     e = new DavException( HttpServletResponse.SC_NOT_FOUND, "Repository does not exist" );
 285                 }
 286             }
 287         }
 288
 289         if ( availableResources.isEmpty() )
 290         {
 291             throw e;
 292         }
 293
 294         String requestedResource = request.getRequestURI();
 295
 296         // MRM-872 : merge all available metadata
 297         // merge metadata only when requested via the repo group
 298         if ( ( repositoryRequest.isMetadata( requestedResource ) || ( requestedResource.endsWith( "metadata.xml.sha1" ) || requestedResource.endsWith( "metadata.xml.md5" ) ) ) &&
 299             repoGroupConfig != null )
 300         {
 301             // this should only be at the project level not version level!
 302             if( isProjectReference( requestedResource ) )
 303             {
 304                 String artifactId = StringUtils.substringBeforeLast( requestedResource.replace( '\\', '/' ), "/" );
 305                 artifactId = StringUtils.substringAfterLast( artifactId, "/" );
 306
 307                 ArchivaDavResource res = ( ArchivaDavResource ) availableResources.get( 0 );
 308                 String filePath = StringUtils.substringBeforeLast( res.getLocalResource().getAbsolutePath().replace( '\\', '/' ), "/" );
 309                 filePath = filePath + "/maven-metadata-" + repoGroupConfig.getId() + ".xml";
 310
 311                 // for MRM-872 handle checksums of the merged metadata files
 312                 if( repositoryRequest.isSupportFile( requestedResource ) )
 313                 {
 314                     File metadataChecksum = new File( filePath + "."
 315                               + StringUtils.substringAfterLast( requestedResource, "." ) );
 316                     if( metadataChecksum.exists() )
 317                     {
 318                         LogicalResource logicalResource =
 319                             new LogicalResource( RepositoryPathUtil.getLogicalResource( locator.getResourcePath() ) );
 320
 321                         ArchivaDavResource metadataChecksumResource =
 322                             new ArchivaDavResource( metadataChecksum.getAbsolutePath(), logicalResource.getPath(), null,
 323                                                     request.getRemoteAddr(), request.getDavSession(), archivaLocator, this,
 324                                                     mimeTypes, auditListeners, consumers, archivaXworkUser );
 325                         availableResources.add( 0, metadataChecksumResource );
 326                     }
 327                 }
 328                 else
 329                 {   // merge the metadata of all repos under group
 330                     ArchivaRepositoryMetadata mergedMetadata = new ArchivaRepositoryMetadata();
 331                     for ( String resourceAbsPath : resourcesInAbsolutePath )
 332                     {
 333                         try
 334                         {
 335                             File metadataFile = new File( resourceAbsPath );
 336                             ArchivaRepositoryMetadata repoMetadata = RepositoryMetadataReader.read( metadataFile );
 337                             mergedMetadata = RepositoryMetadataMerge.merge( mergedMetadata, repoMetadata );
 338                         }
 339                         catch ( RepositoryMetadataException r )
 340                         {
 341                             throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
 342                                                     "Error occurred while reading metadata file." );
 343                         }
 344                     }
 345
 346                     try
 347                     {
 348                         File resourceFile = writeMergedMetadataToFile( mergedMetadata, filePath );
 349
 350                         LogicalResource logicalResource =
 351                             new LogicalResource( RepositoryPathUtil.getLogicalResource( locator.getResourcePath() ) );
 352
 353                         ArchivaDavResource metadataResource =
 354                             new ArchivaDavResource( resourceFile.getAbsolutePath(), logicalResource.getPath(), null,
 355                                                     request.getRemoteAddr(), request.getDavSession(), archivaLocator, this,
 356                                                     mimeTypes, auditListeners, consumers, archivaXworkUser );
 357                         availableResources.add( 0, metadataResource );
 358                     }
 359                     catch ( RepositoryMetadataException r )
 360                     {
 361                         throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
 362                                                 "Error occurred while writing metadata file." );
 363                     }
 364                     catch ( IOException ie )
 365                     {
 366                         throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
 367                             "Error occurred while generating checksum files." );
 368                     }
 369                     catch ( DigesterException de )
 370                     {
 371                         throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
 372                             "Error occurred while generating checksum files." );
 373                     }
 374                 }
 375             }
 376         }
 377
 378         DavResource resource = availableResources.get( 0 );
 379         setHeaders(response, locator, resource );
 380
 381         // compatibility with MRM-440 to ensure browsing the repository works ok
 382         if ( resource.isCollection() && !request.getRequestURI().endsWith("/" ) )
 383         {
 384             throw new BrowserRedirectException( resource.getHref() );
 385         }
 386         resource.addLockManager(lockManager);
 387         return resource;
 388     }
 389
 390     public DavResource createResource( final DavResourceLocator locator, final DavSession davSession )
 391         throws DavException
 392     {
 393         checkLocatorIsInstanceOfRepositoryLocator( locator );
 394         ArchivaDavResourceLocator archivaLocator = (ArchivaDavResourceLocator) locator;
 395
 396         DavResource resource = null;
 397         if ( !locator.getResourcePath().startsWith( ArchivaDavResource.HIDDEN_PATH_PREFIX ) )
 398         {
 399             ManagedRepositoryContent managedRepository = getManagedRepository( archivaLocator.getRepositoryId() );
 400             String logicalResource = RepositoryPathUtil.getLogicalResource( locator.getResourcePath() );
 401             File resourceFile = new File( managedRepository.getRepoRoot(), logicalResource );
 402             resource =
 403                 new ArchivaDavResource( resourceFile.getAbsolutePath(), logicalResource,
 404                                         managedRepository.getRepository(), davSession, archivaLocator, this, mimeTypes,
 405                                         auditListeners, consumers, archivaXworkUser );
 406         }
 407         resource.addLockManager(lockManager);
 408         return resource;
 409     }
 410
 411     private DavResource doGet( ManagedRepositoryContent managedRepository, DavServletRequest request,
 412                                ArchivaDavResourceLocator locator, LogicalResource logicalResource )
 413         throws DavException
 414     {
 415         File resourceFile = new File( managedRepository.getRepoRoot(), logicalResource.getPath() );
 416
 417         //MRM-893, dont send back a file when user intentionally wants a directory
 418         if ( locator.getHref( false ).endsWith( "/" ) )
 419         {
 420             if ( ! resourceFile.isDirectory() )
 421             {
 422                 //force a resource not found
 423                 return null;
 424             }
 425         }
 426
 427         ArchivaDavResource resource =
 428             new ArchivaDavResource( resourceFile.getAbsolutePath(), logicalResource.getPath(),
 429                                     managedRepository.getRepository(), request.getRemoteAddr(),
 430                                     request.getDavSession(), locator, this, mimeTypes, auditListeners, consumers, archivaXworkUser );
 431
 432         if ( !resource.isCollection() )
 433         {
 434             boolean previouslyExisted = resourceFile.exists();
 435
 436             // At this point the incoming request can either be in default or
 437             // legacy layout format.
 438             boolean fromProxy = fetchContentFromProxies( managedRepository, request, logicalResource );
 439
 440             try
 441             {
 442                 // Perform an adjustment of the resource to the managed
 443                 // repository expected path.
 444                 String localResourcePath =
 445                     repositoryRequest.toNativePath( logicalResource.getPath(), managedRepository );
 446                 resourceFile = new File( managedRepository.getRepoRoot(), localResourcePath );
 447             }
 448             catch ( LayoutException e )
 449             {
 450                 if ( previouslyExisted )
 451                 {
 452                     return resource;
 453                 }
 454                 throw new DavException( HttpServletResponse.SC_NOT_FOUND, e );
 455             }
 456
 457             // Attempt to fetch the resource from any defined proxy.
 458             if ( fromProxy )
 459             {
 460                 String repositoryId = locator.getRepositoryId();
 461                 String event = ( previouslyExisted ? AuditEvent.MODIFY_FILE : AuditEvent.CREATE_FILE ) + PROXIED_SUFFIX;
 462                 triggerAuditEvent( request.getRemoteAddr(), repositoryId, logicalResource.getPath(), event );
 463             }
 464
 465             if ( !resourceFile.exists() )
 466             {
 467                 resource = null;
 468             }
 469             else
 470             {
 471                 resource =
 472                     new ArchivaDavResource( resourceFile.getAbsolutePath(), logicalResource.getPath(),
 473                                             managedRepository.getRepository(), request.getRemoteAddr(),
 474                                             request.getDavSession(), locator, this, mimeTypes, auditListeners,
 475                                             consumers, archivaXworkUser );
 476             }
 477         }
 478         return resource;
 479     }
 480
 481     private DavResource doPut( ManagedRepositoryContent managedRepository, DavServletRequest request,
 482                                ArchivaDavResourceLocator locator, LogicalResource logicalResource )
 483         throws DavException
 484     {
 485         /*
 486          * Create parent directories that don't exist when writing a file This actually makes this implementation not
 487          * compliant to the WebDAV RFC - but we have enough knowledge about how the collection is being used to do this
 488          * reasonably and some versions of Maven's WebDAV don't correctly create the collections themselves.
 489          */
 490
 491         File rootDirectory = new File( managedRepository.getRepoRoot() );
 492         File destDir = new File( rootDirectory, logicalResource.getPath() ).getParentFile();
 493
 494         if ( request.getMethod().equals(HTTP_PUT_METHOD) && !destDir.exists() )
 495         {
 496             destDir.mkdirs();
 497             String relPath = PathUtil.getRelative( rootDirectory.getAbsolutePath(), destDir );
 498             triggerAuditEvent( request.getRemoteAddr(), logicalResource.getPath(), relPath, AuditEvent.CREATE_DIR );
 499         }
 500
 501         File resourceFile = new File( managedRepository.getRepoRoot(), logicalResource.getPath() );
 502
 503         return new ArchivaDavResource( resourceFile.getAbsolutePath(), logicalResource.getPath(),
 504                                        managedRepository.getRepository(), request.getRemoteAddr(),
 505                                        request.getDavSession(), locator, this, mimeTypes, auditListeners, consumers, archivaXworkUser );
 506     }
 507
 508     private boolean fetchContentFromProxies( ManagedRepositoryContent managedRepository, DavServletRequest request,
 509                                              LogicalResource resource )
 510         throws DavException
 511     {
 512         if ( repositoryRequest.isSupportFile( resource.getPath() ) )
 513         {
 514             File proxiedFile = connectors.fetchFromProxies( managedRepository, resource.getPath() );
 515
 516             return ( proxiedFile != null );
 517         }
 518
 519         // Is it a Metadata resource?
 520         if ( repositoryRequest.isDefault( resource.getPath() ) && repositoryRequest.isMetadata( resource.getPath() ) )
 521         {
 522             return connectors.fetchMetatadaFromProxies(managedRepository, resource.getPath()) != null;
 523         }
 524
 525         // Not any of the above? Then it's gotta be an artifact reference.
 526         try
 527         {
 528             // Get the artifact reference in a layout neutral way.
 529             ArtifactReference artifact = repositoryRequest.toArtifactReference( resource.getPath() );
 530
 531             if ( artifact != null )
 532             {
 533                 applyServerSideRelocation( managedRepository, artifact );
 534
 535                 File proxiedFile = connectors.fetchFromProxies( managedRepository, artifact );
 536
 537                 resource.setPath( managedRepository.toPath( artifact ) );
 538
 539                 return ( proxiedFile != null );
 540             }
 541         }
 542         catch ( LayoutException e )
 543         {
 544             /* eat it */
 545         }
 546         catch ( ProxyDownloadException e )
 547         {
 548             log.error( e.getMessage(), e );
 549             throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR, "Unable to fetch artifact resource." );
 550         }
 551         return false;
 552     }
 553
 554     /**
 555      * A relocation capable client will request the POM prior to the artifact, and will then read meta-data and do
 556      * client side relocation. A simplier client (like maven 1) will only request the artifact and not use the
 557      * metadatas.
 558      * <p>
 559      * For such clients, archiva does server-side relocation by reading itself the &lt;relocation&gt; element in
 560      * metadatas and serving the expected artifact.
 561      */
 562     protected void applyServerSideRelocation( ManagedRepositoryContent managedRepository, ArtifactReference artifact )
 563         throws ProxyDownloadException
 564     {
 565         if ( "pom".equals( artifact.getType() ) )
 566         {
 567             return;
 568         }
 569
 570         // Build the artifact POM reference
 571         ArtifactReference pomReference = new ArtifactReference();
 572         pomReference.setGroupId( artifact.getGroupId() );
 573         pomReference.setArtifactId( artifact.getArtifactId() );
 574         pomReference.setVersion( artifact.getVersion() );
 575         pomReference.setType( "pom" );
 576
 577         // Get the artifact POM from proxied repositories if needed
 578         connectors.fetchFromProxies( managedRepository, pomReference );
 579
 580         // Open and read the POM from the managed repo
 581         File pom = managedRepository.toFile( pomReference );
 582
 583         if ( !pom.exists() )
 584         {
 585             return;
 586         }
 587
 588         try
 589         {
 590             Model model = new MavenXpp3Reader().read( new FileReader( pom ) );
 591             DistributionManagement dist = model.getDistributionManagement();
 592             if ( dist != null )
 593             {
 594                 Relocation relocation = dist.getRelocation();
 595                 if ( relocation != null )
 596                 {
 597                     // artifact is relocated : update the repositoryPath
 598                     if ( relocation.getGroupId() != null )
 599                     {
 600                         artifact.setGroupId( relocation.getGroupId() );
 601                     }
 602                     if ( relocation.getArtifactId() != null )
 603                     {
 604                         artifact.setArtifactId( relocation.getArtifactId() );
 605                     }
 606                     if ( relocation.getVersion() != null )
 607                     {
 608                         artifact.setVersion( relocation.getVersion() );
 609                     }
 610                 }
 611             }
 612         }
 613         catch ( FileNotFoundException e )
 614         {
 615             // Artifact has no POM in repo : ignore
 616         }
 617         catch ( IOException e )
 618         {
 619             // Unable to read POM : ignore.
 620         }
 621         catch ( XmlPullParserException e )
 622         {
 623             // Invalid POM : ignore
 624         }
 625     }
 626
 627     // TODO: remove?
 628     private void triggerAuditEvent( String remoteIP, String repositoryId, String resource, String action )
 629     {
 630         String activePrincipal = archivaXworkUser.getActivePrincipal( ActionContext.getContext().getSession() );
 631         AuditEvent event = new AuditEvent( repositoryId, activePrincipal, resource, action );
 632         event.setRemoteIP( remoteIP );
 633
 634         for ( AuditListener listener : auditListeners )
 635         {
 636             listener.auditEvent( event );
 637         }
 638     }
 639
 640     public void addAuditListener( AuditListener listener )
 641     {
 642         this.auditListeners.add( listener );
 643     }
 644
 645     public void clearAuditListeners()
 646     {
 647         this.auditListeners.clear();
 648     }
 649
 650     public void removeAuditListener( AuditListener listener )
 651     {
 652         this.auditListeners.remove( listener );
 653     }
 654
 655     private void setHeaders( DavServletResponse response, DavResourceLocator locator, DavResource resource )
 656     {
 657         // [MRM-503] - Metadata file need Pragma:no-cache response
 658         // header.
 659         if ( locator.getResourcePath().endsWith( "/maven-metadata.xml" ) )
 660         {
 661             response.addHeader( "Pragma", "no-cache" );
 662             response.addHeader( "Cache-Control", "no-cache" );
 663         }
 664
 665         //We need to specify this so connecting wagons can work correctly
 666         response.addDateHeader("last-modified", resource.getModificationTime());
 667
 668         // TODO: [MRM-524] determine http caching options for other types of files (artifacts, sha1, md5, snapshots)
 669     }
 670
 671     private ManagedRepositoryContent getManagedRepository( String respositoryId )
 672         throws DavException
 673     {
 674         if ( respositoryId != null )
 675         {
 676             try
 677             {
 678                 return repositoryFactory.getManagedRepositoryContent( respositoryId );
 679             }
 680             catch ( RepositoryNotFoundException e )
 681             {
 682                 throw new DavException( HttpServletResponse.SC_NOT_FOUND, e );
 683             }
 684             catch ( RepositoryException e )
 685             {
 686                 throw new DavException( HttpServletResponse.SC_NOT_FOUND, e );
 687             }
 688         }
 689         return null;
 690     }
 691
 692     private void checkLocatorIsInstanceOfRepositoryLocator( DavResourceLocator locator )
 693         throws DavException
 694     {
 695         if ( !( locator instanceof RepositoryLocator ) )
 696         {
 697             throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
 698                                     "Locator does not implement RepositoryLocator" );
 699         }
 700     }
 701
 702     class LogicalResource
 703     {
 704         private String path;
 705
 706         public LogicalResource( String path )
 707         {
 708             this.path = path;
 709         }
 710
 711         public String getPath()
 712         {
 713             return path;
 714         }
 715
 716         public void setPath( String path )
 717         {
 718             this.path = path;
 719         }
 720     }
 721
 722     protected boolean isAuthorized( DavServletRequest request, String repositoryId )
 723         throws DavException
 724     {
 725         try
 726         {
 727             AuthenticationResult result = httpAuth.getAuthenticationResult( request, null );
 728             SecuritySession securitySession = httpAuth.getSecuritySession( request.getSession( true ) );
 729
 730             return servletAuth.isAuthenticated( request, result ) &&
 731                 servletAuth.isAuthorized( request, securitySession, repositoryId,
 732                                           WebdavMethodUtil.isWriteMethod( request.getMethod() ) );
 733         }
 734         catch ( AuthenticationException e )
 735         {
 736             boolean isPut = WebdavMethodUtil.isWriteMethod( request.getMethod() );
 737
 738             // safety check for MRM-911
 739             String guest = archivaXworkUser.getGuest();
 740             try
 741             {
 742                 if( servletAuth.isAuthorized( guest,
 743                       ( ( ArchivaDavResourceLocator ) request.getRequestLocator() ).getRepositoryId(), isPut ) )
 744                 {
 745                     return true;
 746                 }
 747             }
 748             catch ( UnauthorizedException ae )
 749             {
 750                 throw new UnauthorizedDavException( repositoryId,
 751                         "You are not authenticated and authorized to access any repository." );
 752             }
 753
 754             throw new UnauthorizedDavException( repositoryId, "You are not authenticated" );
 755         }
 756         catch ( MustChangePasswordException e )
 757         {
 758             throw new UnauthorizedDavException( repositoryId, "You must change your password." );
 759         }
 760         catch ( AccountLockedException e )
 761         {
 762             throw new UnauthorizedDavException( repositoryId, "User account is locked." );
 763         }
 764         catch ( AuthorizationException e )
 765         {
 766             throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
 767                                     "Fatal Authorization Subsystem Error." );
 768         }
 769         catch ( UnauthorizedException e )
 770         {
 771             throw new UnauthorizedDavException( repositoryId, e.getMessage() );
 772         }
 773     }
 774
 775     private DavResource getResource( DavServletRequest request, List<String> repositories, ArchivaDavResourceLocator locator )
 776         throws DavException
 777     {
 778         List<File> mergedRepositoryContents = new ArrayList<File>();
 779         LogicalResource logicalResource =
 780             new LogicalResource( RepositoryPathUtil.getLogicalResource( locator.getResourcePath() ) );
 781
 782         // flow:
 783         // if the current user logged in has permission to any of the repositories, allow user to
 784         // browse the repo group but displaying only the repositories which the user has permission to access.
 785         // otherwise, prompt for authentication.
 786
 787         // put the current session in the session map which will be passed to ArchivaXworkUser
 788         Map<String, Object> sessionMap = new HashMap<String, Object>();
 789         if( request.getSession().getAttribute( SecuritySystemConstants.SECURITY_SESSION_KEY ) != null )
 790         {
 791             sessionMap.put( SecuritySystemConstants.SECURITY_SESSION_KEY,
 792                             request.getSession().getAttribute( SecuritySystemConstants.SECURITY_SESSION_KEY ) );
 793         }
 794
 795         String activePrincipal = archivaXworkUser.getActivePrincipal( sessionMap );
 796         boolean allow = isAllowedToContinue( request, repositories, activePrincipal );
 797
 798         if( allow )
 799         {
 800             boolean isPut = WebdavMethodUtil.isWriteMethod( request.getMethod() );
 801
 802             for( String repository : repositories )
 803             {
 804                 // for prompted authentication
 805                 if( httpAuth.getSecuritySession( request.getSession( true ) ) != null )
 806                 {
 807                     try
 808                     {
 809                         if( isAuthorized( request, repository ) )
 810                         {
 811                             getResource( locator, mergedRepositoryContents, logicalResource, repository );
 812                         }
 813                     }
 814                     catch ( DavException e )
 815                     {
 816                         continue;
 817                     }
 818                 }
 819                 else
 820                 {
 821                     // for the current user logged in
 822                     try
 823                     {
 824                         if( servletAuth.isAuthorized( activePrincipal, repository, isPut ) )
 825                         {
 826                             getResource( locator, mergedRepositoryContents, logicalResource, repository );
 827                         }
 828                     }
 829                     catch ( UnauthorizedException e )
 830                     {
 831                         continue;
 832                     }
 833                 }
 834             }
 835         }
 836         else
 837         {
 838             throw new UnauthorizedDavException( locator.getRepositoryId(), "User not authorized." );
 839         }
 840
 841         ArchivaVirtualDavResource resource =
 842             new ArchivaVirtualDavResource( mergedRepositoryContents, logicalResource.getPath(), mimeTypes, locator, this );
 843
 844         // compatibility with MRM-440 to ensure browsing the repository group works ok
 845         if ( resource.isCollection() && !request.getRequestURI().endsWith("/" ) )
 846         {
 847             throw new BrowserRedirectException( resource.getHref() );
 848         }
 849
 850         return resource;
 851     }
 852
 853     private void getResource( ArchivaDavResourceLocator locator, List<File> mergedRepositoryContents,
 854                               LogicalResource logicalResource, String repository )
 855         throws DavException
 856     {
 857         ManagedRepositoryContent managedRepository = null;
 858
 859         try
 860         {
 861             managedRepository = getManagedRepository( repository );
 862         }
 863         catch ( DavException de )
 864         {
 865             throw new DavException( HttpServletResponse.SC_NOT_FOUND, "Invalid managed repository <" +
 866                 repository + ">" );
 867         }
 868
 869         if ( !locator.getResourcePath().startsWith( ArchivaVirtualDavResource.HIDDEN_PATH_PREFIX ) )
 870         {
 871             if( managedRepository != null )
 872             {
 873                 File resourceFile = new File( managedRepository.getRepoRoot(), logicalResource.getPath() );
 874                 if( resourceFile.exists() )
 875                 {
 876                     mergedRepositoryContents.add( resourceFile );
 877                 }
 878             }
 879         }
 880     }
 881
 882     /**
 883      * Check if the current user is authorized to access any of the repos
 884      *
 885      * @param request
 886      * @param repositories
 887      * @param activePrincipal
 888      * @return
 889      */
 890     private boolean isAllowedToContinue( DavServletRequest request, List<String> repositories, String activePrincipal )
 891     {
 892         boolean allow = false;
 893
 894
 895         // if securitySession != null, it means that the user was prompted for authentication
 896         if( httpAuth.getSecuritySession( request.getSession() ) != null )
 897         {
 898             for( String repository : repositories )
 899             {
 900                 try
 901                 {
 902                     if( isAuthorized( request, repository ) )
 903                     {
 904                         allow = true;
 905                         break;
 906                     }
 907                 }
 908                 catch( DavException e )
 909                 {
 910                     continue;
 911                 }
 912             }
 913         }
 914         else
 915         {
 916             boolean isPut = WebdavMethodUtil.isWriteMethod( request.getMethod() );
 917             for( String repository : repositories )
 918             {
 919                 try
 920                 {
 921                     if( servletAuth.isAuthorized( activePrincipal, repository, isPut ) )
 922                     {
 923                         allow = true;
 924                         break;
 925                     }
 926                 }
 927                 catch ( UnauthorizedException e )
 928                 {
 929                     continue;
 930                 }
 931             }
 932         }
 933
 934         return allow;
 935     }
 936
 937     private File writeMergedMetadataToFile( ArchivaRepositoryMetadata mergedMetadata, String outputFilename )
 938         throws RepositoryMetadataException, DigesterException, IOException
 939     {
 940         File outputFile = new File( outputFilename );
 941         if( outputFile.exists() )
 942         {
 943             FileUtils.deleteQuietly( outputFile );
 944         }
 945
 946         outputFile.getParentFile().mkdirs();
 947         RepositoryMetadataWriter.write( mergedMetadata, outputFile );
 948
 949         createChecksumFile( outputFilename, digestSha1 );
 950         createChecksumFile( outputFilename, digestMd5 );
 951
 952         return outputFile;
 953     }
 954
 955     private void createChecksumFile( String path, Digester digester )
 956         throws DigesterException, IOException
 957     {
 958         File checksumFile = new File( path + digester.getFilenameExtension() );
 959         if ( !checksumFile.exists() )
 960         {
 961             FileUtils.deleteQuietly( checksumFile );
 962             checksum.createChecksum( new File( path ), digester );
 963         }
 964         else if ( !checksumFile.isFile() )
 965         {
 966             log.error( "Checksum file is not a file." );
 967         }
 968     }
 969
 970     private boolean isProjectReference( String requestedResource )
 971     {
 972        try
 973        {
 974            VersionedReference versionRef = metadataTools.toVersionedReference( requestedResource );
 975            return false;
 976        }
 977        catch ( RepositoryMetadataException re )
 978        {
 979            return true;
 980        }
 981     }
 982
 983     public void setServletAuth( ServletAuthenticator servletAuth )
 984     {
 985         this.servletAuth = servletAuth;
 986     }
 987
 988     public void setHttpAuth( HttpAuthenticator httpAuth )
 989     {
 990         this.httpAuth = httpAuth;
 991     }
 992 }