Derek Hulley 80cce9c0f2 Merged DEV to HEAD
31489: Fix MT NodeRef translation in policy filter (ALF-10178)
   31452: Sync DEV branch with HEAD
      30312: Reintegrated HEAD
      30281: Comprehensive DEBUG logging to track behaviour enable/disable states for transactions
             - Part of ALF-10178: BehaviourFilter fails when nesting disable/enable calls
      30280: Fixed importer's use of behaviour filter
             - The change in the BehaviourFilter contract means that all disable calls must be matched
               with an equivalent enable call.  Enabling globally no longer wipes out vetos put in place
               by other code.
             - Part of ALF-10178: BehaviourFilter fails when nesting disable/enable calls
      30279: Removed unnecessary behaviour enablement checks is VersionService (ALF-10178)
      30278: Fixed behaviour re-enabling for StoreSelectorAspectContentStore (ALF-10178)
      30240: Fixed ALF-10178: BehaviourFilter fails when nesting disable/enable calls
             - Behaviour enable/disable now uses reference counting to check the state of different behaviour levels
             - Added unit test to test
             - Re-enabled test for ALF-10177: Test disabled: CheckOutCheckInServiceImplTest.testalfrescoCheckoutDoesntModifyNode
               but renamed to CheckOutCheckInServiceImplTest.testAlfrescoCheckoutDoesNotModifyNode
             - Going into DEV branch to run through tests
      30236: Branch for fixing BehaviourFilter nesting


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@31619 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
2011-11-01 16:07:11 +00:00

4360 lines
176 KiB
Java

/*
* Copyright (C) 2005-2010 Alfresco Software Limited.
*
* This file is part of Alfresco
*
* Alfresco is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Alfresco is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
*/
package org.alfresco.filesys.repo;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.Serializable;
import java.net.InetAddress;
import java.util.Arrays;
import java.util.Date;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.TreeSet;
import java.util.concurrent.Callable;
import java.util.regex.Pattern;
import javax.transaction.UserTransaction;
import org.alfresco.error.AlfrescoRuntimeException;
import org.alfresco.filesys.alfresco.AlfrescoContext;
import org.alfresco.filesys.alfresco.AlfrescoNetworkFile;
import org.alfresco.filesys.alfresco.AlfrescoTxDiskDriver;
import org.alfresco.jlan.server.SrvSession;
import org.alfresco.jlan.server.core.DeviceContext;
import org.alfresco.jlan.server.core.DeviceContextException;
import org.alfresco.jlan.server.filesys.AccessDeniedException;
import org.alfresco.jlan.server.filesys.AccessMode;
import org.alfresco.jlan.server.filesys.DirectoryNotEmptyException;
import org.alfresco.jlan.server.filesys.DiskDeviceContext;
import org.alfresco.jlan.server.filesys.DiskFullException;
import org.alfresco.jlan.server.filesys.DiskInterface;
import org.alfresco.jlan.server.filesys.DiskSizeInterface;
import org.alfresco.jlan.server.filesys.FileAttribute;
import org.alfresco.jlan.server.filesys.FileInfo;
import org.alfresco.jlan.server.filesys.FileName;
import org.alfresco.jlan.server.filesys.FileOpenParams;
import org.alfresco.jlan.server.filesys.FileSharingException;
import org.alfresco.jlan.server.filesys.FileStatus;
import org.alfresco.jlan.server.filesys.NetworkFile;
import org.alfresco.jlan.server.filesys.SearchContext;
import org.alfresco.jlan.server.filesys.SrvDiskInfo;
import org.alfresco.jlan.server.filesys.TreeConnection;
import org.alfresco.jlan.server.filesys.cache.FileState;
import org.alfresco.jlan.server.filesys.cache.FileStateLockManager;
import org.alfresco.jlan.server.filesys.pseudo.MemoryNetworkFile;
import org.alfresco.jlan.server.filesys.pseudo.PseudoFile;
import org.alfresco.jlan.server.filesys.pseudo.PseudoFileInterface;
import org.alfresco.jlan.server.filesys.pseudo.PseudoFileList;
import org.alfresco.jlan.server.filesys.pseudo.PseudoNetworkFile;
import org.alfresco.jlan.server.filesys.quota.QuotaManager;
import org.alfresco.jlan.server.filesys.quota.QuotaManagerException;
import org.alfresco.jlan.server.locking.FileLockingInterface;
import org.alfresco.jlan.server.locking.LockManager;
import org.alfresco.jlan.server.locking.OpLockInterface;
import org.alfresco.jlan.server.locking.OpLockManager;
import org.alfresco.jlan.smb.SharingMode;
import org.alfresco.jlan.smb.WinNT;
import org.alfresco.jlan.smb.server.SMBServer;
import org.alfresco.jlan.smb.server.SMBSrvSession;
import org.alfresco.jlan.util.MemorySize;
import org.alfresco.jlan.util.WildCard;
import org.alfresco.model.ContentModel;
import org.alfresco.repo.action.executer.ContentMetadataExtracter;
import org.alfresco.repo.admin.SysAdminParams;
import org.alfresco.repo.content.MimetypeMap;
import org.alfresco.repo.node.archive.NodeArchiveService;
import org.alfresco.repo.policy.BehaviourFilter;
import org.alfresco.repo.security.authentication.AuthenticationContext;
import org.alfresco.repo.security.authentication.AuthenticationUtil;
import org.alfresco.repo.transaction.RetryingTransactionHelper;
import org.alfresco.service.cmr.action.Action;
import org.alfresco.service.cmr.action.ActionService;
import org.alfresco.service.cmr.coci.CheckOutCheckInService;
import org.alfresco.service.cmr.dictionary.DictionaryService;
import org.alfresco.service.cmr.lock.LockService;
import org.alfresco.service.cmr.lock.LockType;
import org.alfresco.service.cmr.lock.NodeLockedException;
import org.alfresco.service.cmr.model.FileFolderService;
import org.alfresco.service.cmr.repository.AssociationRef;
import org.alfresco.service.cmr.repository.ContentData;
import org.alfresco.service.cmr.repository.ContentIOException;
import org.alfresco.service.cmr.repository.ContentService;
import org.alfresco.service.cmr.repository.MimetypeService;
import org.alfresco.service.cmr.repository.NodeRef;
import org.alfresco.service.cmr.repository.NodeService;
import org.alfresco.service.cmr.repository.StoreRef;
import org.alfresco.service.cmr.repository.datatype.DefaultTypeConverter;
import org.alfresco.service.cmr.search.SearchService;
import org.alfresco.service.cmr.security.AccessPermission;
import org.alfresco.service.cmr.security.AccessStatus;
import org.alfresco.service.cmr.security.AuthenticationService;
import org.alfresco.service.cmr.security.OwnableService;
import org.alfresco.service.cmr.security.PermissionService;
import org.alfresco.service.namespace.NamespaceService;
import org.alfresco.service.namespace.QName;
import org.alfresco.util.Pair;
import org.alfresco.util.PropertyCheck;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.extensions.config.ConfigElement;
/**
* Content repository filesystem driver class
*
* <p>Provides a filesystem interface for various protocols such as SMB/CIFS and FTP.
*
* @author gkspencer
*/
public class ContentDiskDriver extends AlfrescoTxDiskDriver implements DiskInterface, FileLockingInterface, OpLockInterface, DiskSizeInterface
{
// Logging
private static final Log logger = LogFactory.getLog(ContentDiskDriver.class);
// Configuration key names
private static final String KEY_STORE = "store";
private static final String KEY_ROOT_PATH = "rootPath";
private static final String KEY_RELATIVE_PATH = "relativePath";
// File status values used in the file state cache
public static final int FileUnknown = FileStatus.Unknown;
public static final int FileNotExist = FileStatus.NotExist;
public static final int FileExists = FileStatus.FileExists;
public static final int DirectoryExists = FileStatus.DirectoryExists;
public static final int CustomFileStatus= FileStatus.MaxStatus + 1;
public static final int FileRenamed = CustomFileStatus;
public static final int DeleteOnClose = CustomFileStatus + 1;
// File state attributes
public static final String AttrLinkNode = "ContentLinkNode";
public static final String CanDeleteWithoutPerms = "CanDeleteWithoutPerms";
// List of content properties to copy during rename
private static QName[] _copyProperties = { ContentModel.PROP_AUTHOR, ContentModel.PROP_TITLE, ContentModel.PROP_DESCRIPTION };
// List of property namespaces to exclude from copy during rename
private static Set<String> _excludedNamespaces = new TreeSet<String>(Arrays.asList(new String[]
{
NamespaceService.CONTENT_MODEL_1_0_URI, NamespaceService.SYSTEM_MODEL_1_0_URI
}));
// Disk sizing contants
private static final int DiskBlockSize = 512; // bytes per block
private static final long DiskAllocationUnit = 32 * MemorySize.KILOBYTE;
private static final long DiskBlocksPerUnit = DiskAllocationUnit / DiskBlockSize;
// Disk size returned in the content store does not support free/total size
protected static final long DiskSizeDefault = 1 * MemorySize.TERABYTE;
protected static final long DiskFreeDefault = DiskSizeDefault / 2;
private boolean isReadOnly;
private boolean isLockedFilesAsOffline;
// Services and helpers
private CifsHelper cifsHelper;
private NamespaceService namespaceService;
private NodeService nodeService;
private CheckOutCheckInService checkOutCheckInService;
private SearchService searchService;
private ContentService contentService;
private MimetypeService mimetypeService;
private PermissionService permissionService;
private FileFolderService fileFolderService;
private NodeArchiveService nodeArchiveService;
private LockService lockService;
private DictionaryService dictionaryService;
private OwnableService ownableService;
private ActionService actionService;
private AuthenticationContext authContext;
private AuthenticationService authService;
private SysAdminParams sysAdminParams;
private BehaviourFilter policyBehaviourFilter;
private NodeMonitorFactory m_nodeMonitorFactory;
private static FileStateLockManager _lockManager;
/**
* Class constructor
*
* @param serviceRegistry to connect to the repository services
*/
public ContentDiskDriver(CifsHelper cifsHelper)
{
this.cifsHelper = cifsHelper;
}
public void init()
{
PropertyCheck.mandatory(this, "nodeService", nodeService);
}
/**
* Return the CIFS helper
*
* @return CifsHelper
*/
public final CifsHelper getCifsHelper()
{
return this.cifsHelper;
}
/**
* Return the authentication service
*
* @return AuthenticationService
*/
public final AuthenticationService getAuthenticationService()
{
return authService;
}
/**
* Return the authentication context
*
* @return AuthenticationContext
*/
public final AuthenticationContext getAuthenticationContext() {
return authContext;
}
/**
* Return the node service
*
* @return NodeService
*/
public final NodeService getNodeService()
{
return this.nodeService;
}
/**
* @return service to provide information on check-in and check-out
*/
public CheckOutCheckInService getCheckOutCheckInService()
{
return checkOutCheckInService;
}
/**
* Return the content service
*
* @return ContentService
*/
public final ContentService getContentService()
{
return this.contentService;
}
/**
* Return the namespace service
*
* @return NamespaceService
*/
public final NamespaceService getNamespaceService()
{
return this.namespaceService;
}
/**
* Return the search service
*
* @return SearchService
*/
public final SearchService getSearchService(){
return this.searchService;
}
/**
* Return the file folder service
*
* @return FileFolderService
*/
public final FileFolderService getFileFolderService() {
return this.fileFolderService;
}
/**
* Return the permission service
*
* @return PermissionService
*/
public final PermissionService getPermissionService() {
return this.permissionService;
}
/**
* Return the node archive service
*
* @param NodeArchiveService
*/
public final NodeArchiveService getNodeArchiveService() {
return nodeArchiveService;
}
/**
* Return the lock service
*
* @return LockService
*/
public final LockService getLockService() {
return lockService;
}
/**
* Get the policy behaviour filter, used to inhibit versioning on a per transaction basis
*/
public BehaviourFilter getPolicyFilter()
{
return policyBehaviourFilter;
}
/**
* Return the dictionary service
*
* @return DictionaryService
*/
public final DictionaryService getDictionaryService() {
return dictionaryService;
}
/**
* Get the ownable service
*
* @return OwnableService
*/
public final OwnableService getOwnableService() {
return ownableService;
}
/**
* @param contentService the content service
*/
public void setContentService(ContentService contentService)
{
this.contentService = contentService;
}
/**
* @param namespaceService the namespace service
*/
public void setNamespaceService(NamespaceService namespaceService)
{
this.namespaceService = namespaceService;
}
/**
* @param nodeService the node service
*/
public void setNodeService(NodeService nodeService)
{
this.nodeService = nodeService;
}
/**
* @param checkOutCheckInService used to check for checked out nodes
*/
public void setCheckOutCheckInService(CheckOutCheckInService checkOutCheckInService)
{
this.checkOutCheckInService = checkOutCheckInService;
}
/**
* @param searchService the search service
*/
public void setSearchService(SearchService searchService)
{
this.searchService = searchService;
}
/**
* Set the permission service
*
* @param permissionService PermissionService
*/
public void setPermissionService(PermissionService permissionService)
{
this.permissionService = permissionService;
}
/**
* Set the authentication context
*
* @param authContext AuthenticationContext
*/
public void setAuthenticationContext(AuthenticationContext authContext)
{
this.authContext = authContext;
}
/**
* Set the authentication service
*
* @param authService AuthenticationService
*/
public void setAuthenticationService(AuthenticationService authService)
{
this.authService = authService;
}
/**
* Sets the sys admin params.
*
* @param sysAdminParams
* the sys admin params
*/
public void setSysAdminParams(SysAdminParams sysAdminParams)
{
this.sysAdminParams = sysAdminParams;
}
/**
* Set the file folder service
*
* @param fileService FileFolderService
*/
public void setFileFolderService(FileFolderService fileService)
{
fileFolderService = fileService;
}
/**
* @param mimetypeService service for helping with mimetypes and encoding
*/
public void setMimetypeService(MimetypeService mimetypeService)
{
this.mimetypeService = mimetypeService;
}
/**
* Set the node monitor factory
*
* @param nodeMonitorFactory NodeMonitorFactory
*/
public void setNodeMonitorFactory(NodeMonitorFactory nodeMonitorFactory) {
m_nodeMonitorFactory = nodeMonitorFactory;
}
/**
* Set the node archive service
*
* @param NodeArchiveService nodeArchiveService
*/
public void setNodeArchiveService(NodeArchiveService nodeArchiveService) {
this.nodeArchiveService = nodeArchiveService;
}
/**
* Set the lock service
*
* @param lockService LockService
*/
public void setLockService(LockService lockService) {
this.lockService = lockService;
}
/**
* Set the policy behaviour filter, used to inhibit versioning on a per transaction basis
*
* @param policyFilter PolicyBehaviourFilter
*/
public void setPolicyFilter(BehaviourFilter policyFilter)
{
this.policyBehaviourFilter = policyFilter;
}
/**
* Set the dictionary service
*
* @param dictionaryService DictionaryService
*/
public void setDictionaryService(DictionaryService dictionaryService) {
this.dictionaryService = dictionaryService;
}
/**
* Set the ownable servive
*
* @param ownableService OwnableService
*/
public void setOwnableService(OwnableService ownableService) {
this.ownableService = ownableService;
}
/**
* Parse and validate the parameter string and create a device context object for this instance
* of the shared device. The same DeviceInterface implementation may be used for multiple
* shares.
* <p>
* WARNING: side effect, may commit or roll back current user transaction context.
*
* @param deviceName The name of the device
* @param cfg ConfigElement the configuration of the device context.
* @return DeviceContext
* @exception DeviceContextException
*/
// MER TODO - transaction handling in registerContext needs changing
public DeviceContext createContext(String deviceName, ConfigElement cfg) throws DeviceContextException
{
ContentContext context = null;
try
{
// Get the store
ConfigElement storeElement = cfg.getChild(KEY_STORE);
if (storeElement == null || storeElement.getValue() == null || storeElement.getValue().length() == 0)
{
throw new DeviceContextException("Device missing init value: " + KEY_STORE);
}
String storeValue = storeElement.getValue();
// Get the root path
ConfigElement rootPathElement = cfg.getChild(KEY_ROOT_PATH);
if (rootPathElement == null || rootPathElement.getValue() == null || rootPathElement.getValue().length() == 0)
{
throw new DeviceContextException("Device missing init value: " + KEY_ROOT_PATH);
}
String rootPath = rootPathElement.getValue();
// Create the context
context = new ContentContext();
context.setDeviceName(deviceName);
context.setStoreName(storeValue);
context.setRootPath(rootPath);
context.setSysAdminParams(this.sysAdminParams);
// Check if a relative path has been specified
ConfigElement relativePathElement = cfg.getChild(KEY_RELATIVE_PATH);
if ( relativePathElement != null)
{
// Make sure the path is in CIFS format
String relPath = relativePathElement.getValue().replace( '/', FileName.DOS_SEPERATOR);
context.setRelativePath(relPath);
}
}
/*
* MER - I changed the code below - resulted in a NPE anyway
* lower down
*/
catch (DeviceContextException ex)
{
logger.error("Error during create context", ex);
throw ex;
}
// Check if URL link files are enabled
ConfigElement urlFileElem = cfg.getChild( "urlFile");
if ( urlFileElem != null)
{
// Get the pseudo file name and web prefix path
ConfigElement pseudoName = urlFileElem.getChild( "filename");
if ( pseudoName != null)
{
context.setURLFileName(pseudoName.getValue());
}
}
// Check if locked files should be marked as offline
ConfigElement offlineFiles = cfg.getChild( "offlineFiles");
if ( offlineFiles != null)
{
context.setOfflineFiles(true);
}
// Install the node service monitor
// MER 01/03/2011 - I think one of these is the "wrong way round"
if ( cfg.getChild("disableNodeMonitor") == null) {
// Create the node monitor
context.setDisableNodeMonitor(true);
}
// Check if oplocks are enabled, if so then enable oplocks in the lock manager
if ( cfg.getChild("disableOplocks") != null) {
context.setDisableOplocks( true);
}
// Register the device context
registerContext(context);
// Return the context for this shared filesystem
return context;
}
/**
* Registers a device context object for this instance
* of the shared device. The same DeviceInterface implementation may be used for multiple
* shares.
*
* WARNING: side effect, will commit or roll back current user transaction context.
*
* @param ctx the context
* @param serverConfig ServerConfigurationBean
* @exception DeviceContextException
*/
// MER TODO - transaction handling in registerContext needs changing
@Override
public void registerContext(DeviceContext ctx) throws DeviceContextException
{
super.registerContext(ctx);
ContentContext context = (ContentContext)ctx;
// Wrap the initialization in a transaction
UserTransaction tx = getTransactionService().getUserTransaction(true);
try
{
// Use the system user as the authenticated context for the filesystem initialization
AuthenticationUtil.pushAuthentication();
AuthenticationUtil.setFullyAuthenticatedUser(AuthenticationUtil.getSystemUserName());
// Start the transaction
if ( tx != null)
tx.begin();
// Get the store
String storeValue = context.getStoreName();
StoreRef storeRef = new StoreRef(storeValue);
// Connect to the repo and ensure that the store exists
if (! nodeService.exists(storeRef))
{
throw new DeviceContextException("Store not created prior to application startup: " + storeRef);
}
NodeRef storeRootNodeRef = nodeService.getRootNode(storeRef);
// Get the root path
String rootPath = context.getRootPath();
// Find the root node for this device
List<NodeRef> nodeRefs = searchService.selectNodes(storeRootNodeRef, rootPath, null, namespaceService, false);
NodeRef rootNodeRef = null;
if (nodeRefs.size() > 1)
{
throw new DeviceContextException("Multiple possible roots for device: \n" +
" root path: " + rootPath + "\n" +
" results: " + nodeRefs);
}
else if (nodeRefs.size() == 0)
{
// Nothing found
throw new DeviceContextException("No root found for device: \n" +
" root path: " + rootPath);
}
else
{
// We found a node
rootNodeRef = nodeRefs.get(0);
}
// Check if a relative path has been specified
String relPath = context.getRelativePath();
if ( relPath != null && relPath.length() > 0)
{
// Find the node and validate that the relative path is to a folder
NodeRef relPathNode = cifsHelper.getNodeRef( rootNodeRef, relPath);
if ( cifsHelper.isDirectory( relPathNode) == false)
throw new DeviceContextException("Relative path is not a folder, " + relPath);
// Use the relative path node as the root of the filesystem
rootNodeRef = relPathNode;
}
else {
// Make sure the default root node is a folder
if ( cifsHelper.isDirectory( rootNodeRef) == false)
throw new DeviceContextException("Root node is not a folder type node");
}
// Commit the transaction
// MER 16/03/2010 - Why is this transaction management here?
tx.commit();
tx = null;
// Record the root node ref
context.setRootNodeRef(rootNodeRef);
}
catch (Exception ex)
{
logger.error("Error during create context", ex);
// MER BUGBUG Exception swallowed - will result in null pointer errors at best.
throw new DeviceContextException("unable to register context", ex);
// MER END
}
finally
{
// Restore authentication context
AuthenticationUtil.popAuthentication();
// If there is an active transaction then roll it back
if ( tx != null)
{
try
{
tx.rollback();
}
catch (Exception ex)
{
logger.warn("Failed to rollback transaction", ex);
}
}
}
// Check if locked files should be marked as offline
if ( context.getOfflineFiles() )
{
// Enable marking locked files as offline
isLockedFilesAsOffline = true;
// Logging
logger.info("Locked files will be marked as offline");
}
// // Enable file state caching
//
// context.enableStateCache(serverConfig, true);
// Install the node service monitor
if ( !context.getDisableNodeMonitor() && m_nodeMonitorFactory != null) {
// Create the node monitor
NodeMonitor nodeMonitor = m_nodeMonitorFactory.createNodeMonitor(context);
context.setNodeMonitor( nodeMonitor);
}
// Create the lock manager
_lockManager = new FileStateLockManager( context.getStateCache());
// Check if oplocks are enabled
if ( context.getDisableOplocks() == true)
logger.warn("Oplock support disabled for filesystem " + ctx.getDeviceName());
// Start the quota manager, if enabled
if ( context.hasQuotaManager()) {
try {
// Start the quota manager
context.getQuotaManager().startManager( this, context);
logger.info("Quota manager enabled for filesystem");
}
catch ( QuotaManagerException ex) {
logger.error("Failed to start quota manager", ex);
}
}
}
/**
* Check if pseudo file support is enabled
*
* @param context ContentContext
* @return boolean
*/
public final boolean hasPseudoFileInterface(ContentContext context)
{
return context.hasPseudoFileInterface();
}
/**
* Return the pseudo file support implementation
*
* @param context ContentContext
* @return PseudoFileInterface
*/
public final PseudoFileInterface getPseudoFileInterface(ContentContext context)
{
return context.getPseudoFileInterface();
}
/**
* Determine if the disk device is read-only.
*
* @param sess Server session
* @param ctx Device context
* @return boolean
* @exception java.io.IOException If an error occurs.
*/
public boolean isReadOnly(SrvSession sess, DeviceContext ctx) throws IOException
{
return isReadOnly;
}
/**
* Get the file information for the specified file.
*
* @param sess Server session
* @param tree Tree connection
* @param name File name/path that information is required for.
* @return File information if valid, else null
* @exception java.io.IOException The exception description.
*/
public FileInfo getFileInformation(SrvSession session, TreeConnection tree, String path) throws IOException
{
if(logger.isDebugEnabled())
{
logger.debug("getFileInformation:" + path);
}
// Start a transaction
beginReadTransaction( session);
// Get the device root
ContentContext ctx = (ContentContext) tree.getContext();
NodeRef infoParentNodeRef = ctx.getRootNode();
if ( path == null || path.length() == 0)
path = FileName.DOS_SEPERATOR_STR;
String infoPath = path;
try
{
// Check if the path is to a pseudo file
FileInfo finfo = null;
if ( hasPseudoFileInterface(ctx))
{
// Make sure the parent folder has a file state, and the path exists
String[] paths = FileName.splitPath( path);
FileState fstate = ctx.getStateCache().findFileState( paths[0]);
if ( fstate == null)
{
NodeRef nodeRef = getNodeForPath(tree, paths[0]);
if ( nodeRef != null)
{
// Get the file information for the node
finfo = cifsHelper.getFileInformation(nodeRef, isReadOnly, isLockedFilesAsOffline);
}
// Create the file state
fstate = ctx.getStateCache().findFileState( paths[0], true);
fstate.setFileStatus( DirectoryExists);
fstate.setFilesystemObject( nodeRef);
// Add pseudo files to the folder
getPseudoFileInterface( ctx).addPseudoFilesToFolder( session, tree, paths[0]);
// Debug
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_INFO))
logger.debug( "Added file state for pseudo files folder (getinfo) - " + paths[0]);
}
else if ( fstate.hasPseudoFiles() == false)
{
// Make sure the file state has the node ref
if ( fstate.hasFilesystemObject() == false)
{
// Get the node for the folder path
fstate.setFilesystemObject( getNodeForPath( tree, paths[0]));
}
// Add pseudo files for the parent folder
getPseudoFileInterface( ctx).addPseudoFilesToFolder( session, tree, paths[0]);
// Debug
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_INFO))
logger.debug( "Added pseudo files for folder (exists) - " + paths[0]);
}
// Get the pseudo file
PseudoFile pfile = getPseudoFileInterface(ctx).getPseudoFile( session, tree, path);
if ( pfile != null)
{
// DEBUG
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_INFO))
logger.debug("getInfo using pseudo file info for " + path);
FileInfo pseudoFileInfo = pfile.getFileInfo();
if (isReadOnly)
{
int attr = pseudoFileInfo.getFileAttributes();
if (( attr & FileAttribute.ReadOnly) == 0)
{
attr += FileAttribute.ReadOnly;
pseudoFileInfo.setFileAttributes(attr);
}
}
return pfile.getFileInfo();
}
}
// Get the node ref for the path, chances are there is a file state in the cache
NodeRef nodeRef = getNodeForPath(tree, infoPath);
if ( nodeRef != null)
{
// Get the file information for the node
finfo = cifsHelper.getFileInformation(nodeRef, isReadOnly, isLockedFilesAsOffline);
// DEBUG
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_INFO))
logger.debug("getInfo using cached noderef for path " + path);
}
// If the required node was not in the state cache, the parent folder node might be
if ( finfo == null)
{
String[] paths = FileName.splitPath( path);
if ( paths[0] != null && paths[0].length() > 1)
{
// Find the node ref for the folder being searched
nodeRef = getNodeForPath(tree, paths[0]);
if ( nodeRef != null)
{
infoParentNodeRef = nodeRef;
infoPath = paths[1];
// DEBUG
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_INFO))
logger.debug("getInfo using cached noderef for parent " + path);
}
}
// Access the repository to get the file information
finfo = cifsHelper.getFileInformation(infoParentNodeRef, infoPath, isReadOnly, isLockedFilesAsOffline);
// DEBUG
if (logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_INFO))
logger.debug("Getting file information: path=" + path + " file info: " + finfo);
}
// Set the file id for the file using the relative path
if ( finfo != null) {
// Set the file id
long id = DefaultTypeConverter.INSTANCE.convert(Long.class, nodeService.getProperty(nodeRef, ContentModel.PROP_NODE_DBID));
finfo.setFileId((int) (id & 0xFFFFFFFFL));
// Copy cached file details, if available
FileState fstate = getStateForPath(tree, infoPath);
if ( fstate != null) {
// Copy cached timestamps
if ( fstate.hasAccessDateTime())
finfo.setAccessDateTime(fstate.getAccessDateTime());
if ( fstate.hasChangeDateTime())
finfo.setChangeDateTime(fstate.getChangeDateTime());
if ( fstate.hasModifyDateTime())
finfo.setModifyDateTime(fstate.getModifyDateTime());
// File allocation size
if ( fstate.hasAllocationSize() && fstate.getAllocationSize() > finfo.getSize())
finfo.setAllocationSize( fstate.getAllocationSize());
}
else {
// Create a file state for the file/folder
fstate = ctx.getStateCache().findFileState( path, true);
if ( finfo.isDirectory())
fstate.setFileStatus( DirectoryExists);
else
fstate.setFileStatus( FileExists);
fstate.setFilesystemObject( nodeRef);
}
}
// Return the file information
return finfo;
}
catch (FileNotFoundException e)
{
// Debug
if (logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_INFO))
logger.debug("Get file info - file not found, " + path);
throw e;
}
catch (org.alfresco.repo.security.permissions.AccessDeniedException ex)
{
// Debug
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_INFO))
logger.debug("Get file info - access denied, " + path);
// Convert to a filesystem access denied status
throw new AccessDeniedException("Get file information " + path);
}
catch (AlfrescoRuntimeException ex)
{
// Debug
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_INFO))
logger.debug("Get file info error", ex);
// Convert to a general I/O exception
throw new IOException("Get file information " + path);
}
}
/**
* Start a new search on the filesystem using the specified searchPath that may contain
* wildcards.
*
* @param sess Server session
* @param tree Tree connection
* @param searchPath File(s) to search for, may include wildcards.
* @param attrib Attributes of the file(s) to search for, see class SMBFileAttribute.
* @return SearchContext
* @exception java.io.FileNotFoundException If the search could not be started.
*/
public SearchContext startSearch(SrvSession sess, TreeConnection tree, String searchPath, int attributes) throws FileNotFoundException
{
// Access the device context
if(logger.isDebugEnabled())
{
logger.debug("startSearch: "+ searchPath);
}
ContentContext ctx = (ContentContext) tree.getContext();
try
{
String searchFileSpec = searchPath;
NodeRef searchRootNodeRef = ctx.getRootNode();
FileState searchFolderState = null;
// Create the transaction
beginReadTransaction( sess);
// If the state table is available see if we can speed up the search using either cached
// file information or find the folder node to be searched without having to walk the path
String[] paths = FileName.splitPath(searchPath);
if ( ctx.hasStateCache())
{
// See if the folder to be searched has a file state, we can avoid having to walk the path
if ( paths[0] != null && paths[0].length() >= 1)
{
// Find the node ref for the folder being searched
NodeRef nodeRef = getNodeForPath(tree, paths[0]);
// Get the file state for the folder being searched
searchFolderState = getStateForPath(tree, paths[0]);
if ( searchFolderState == null)
{
// Create a file state for the folder
searchFolderState = ctx.getStateCache().findFileState( paths[0], true);
}
// Make sure the associated node is set
if ( searchFolderState.hasFilesystemObject() == false)
{
// Set the associated node for the folder
searchFolderState.setFilesystemObject( nodeRef);
}
// Add pseudo files to the folder being searched
if ( hasPseudoFileInterface(ctx))
getPseudoFileInterface(ctx).addPseudoFilesToFolder( sess, tree, paths[0]);
// Set the search node and file spec
if ( nodeRef != null)
{
searchRootNodeRef = nodeRef;
searchFileSpec = paths[1];
// DEBUG
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_SEARCH))
logger.debug("Search using cached noderef for path " + searchPath);
}
}
}
// Convert the all files wildcard
if ( searchFileSpec.equals( "*.*"))
searchFileSpec = "*";
// Debug
long startTime = 0L;
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_SEARCH))
startTime = System.currentTimeMillis();
// Perform the search
List<NodeRef> results = cifsHelper.getNodeRefs(searchRootNodeRef, searchFileSpec);
// Debug
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_SEARCH)) {
long endTime = System.currentTimeMillis();
if (( endTime - startTime) > 500)
logger.debug("Search for searchPath=" + searchPath + ", searchSpec=" + searchFileSpec + ", searchRootNode=" + searchRootNodeRef + " took "
+ ( endTime - startTime) + "ms results=" + results.size());
}
// Check if there are any pseudo files for the folder being searched, for CIFS only
PseudoFileList pseudoList = null;
if ( sess instanceof SMBSrvSession && searchFolderState != null && searchFolderState.hasPseudoFiles())
{
// If it is a wildcard search use all pseudo files
if ( WildCard.containsWildcards(searchFileSpec))
{
// Get the list of pseudo files for the search path
pseudoList = searchFolderState.getPseudoFileList();
// Check if the wildcard is for all files or a subset
if ( searchFileSpec.equals( "*") == false && pseudoList != null && pseudoList.numberOfFiles() > 0)
{
// Generate a subset of pseudo files that match the wildcard search pattern
WildCard wildCard = new WildCard( searchFileSpec, false);
PseudoFileList filterList = null;
for ( int i = 0; i < pseudoList.numberOfFiles(); i++)
{
PseudoFile pseudoFile = pseudoList.getFileAt( i);
if ( wildCard.matchesPattern( pseudoFile.getFileName()))
{
// Add the pseudo file to the filtered list
if ( filterList == null)
filterList = new PseudoFileList();
filterList.addFile( pseudoFile);
}
}
// Use the filtered pseudo file list, or null if there were no matches
pseudoList = filterList;
}
}
else if ( results == null || results.size() == 0)
{
// Check if the required file is in the pseudo file list
String fname = paths[1];
if ( fname != null)
{
// Search for a matching pseudo file
PseudoFile pfile = searchFolderState.getPseudoFileList().findFile( fname, true);
if ( pfile != null)
{
// Create a file list with the required file
pseudoList = new PseudoFileList();
pseudoList.addFile( pfile);
}
}
}
}
// Build the search context to store the results, use the cache lookup search for wildcard searches
SearchContext searchCtx = null;
if ( searchFileSpec.equals( "*"))
{
// Use a cache lookup search context
CacheLookupSearchContext cacheContext = new CacheLookupSearchContext(cifsHelper, results, searchFileSpec, pseudoList, paths[0], ctx.getStateCache());
searchCtx = cacheContext;
// Set the '.' and '..' pseudo file entry details
if ( searchFolderState != null && searchFolderState.hasFilesystemObject())
{
// Get the '.' pseudo entry file details
FileInfo finfo = cifsHelper.getFileInformation((NodeRef) searchFolderState.getFilesystemObject(), isReadOnly, isLockedFilesAsOffline);
// Blend in any cached timestamps
if ( searchFolderState != null) {
if ( searchFolderState.hasAccessDateTime())
finfo.setAccessDateTime( searchFolderState.getAccessDateTime());
if ( searchFolderState.hasChangeDateTime())
finfo.setChangeDateTime( searchFolderState.getChangeDateTime());
if ( searchFolderState.hasModifyDateTime())
finfo.setModifyDateTime( searchFolderState.getModifyDateTime());
}
// Set the '.' pseudo entry details
cacheContext.setDotInfo( finfo);
// Check if the search folder has a parent, if we are at the root of the filesystem then re-use
// the file information
if ( searchFolderState.getPath().equals( FileName.DOS_SEPERATOR_STR)) {
// Searching the root folder, re-use the search folder file information for the '..' pseudo entry
FileInfo dotDotInfo = new FileInfo();
dotDotInfo.copyFrom( finfo);
cacheContext.setDotDotInfo( dotDotInfo);
}
else {
// Get the parent folder path
String parentPath = searchFolderState.getPath();
if ( parentPath.endsWith( FileName.DOS_SEPERATOR_STR) && parentPath.length() > 1)
parentPath = parentPath.substring(0, parentPath.length() - 1);
int pos = parentPath.lastIndexOf( FileName.DOS_SEPERATOR_STR);
if ( pos != -1)
parentPath = parentPath.substring(0, pos + 1);
// Get the file state for the parent path, if available
FileState parentState = ctx.getStateCache().findFileState( parentPath);
NodeRef parentNode = null;
if ( parentState != null)
parentNode = (NodeRef) parentState.getFilesystemObject();
if ( parentState == null || parentNode == null)
parentNode = getNodeForPath( tree, parentPath);
// Get the file information for the parent folder
finfo = cifsHelper.getFileInformation( parentNode, isReadOnly, isLockedFilesAsOffline);
// Blend in any cached timestamps
if ( parentState != null) {
if ( parentState.hasAccessDateTime())
finfo.setAccessDateTime( parentState.getAccessDateTime());
if ( parentState.hasChangeDateTime())
finfo.setChangeDateTime( parentState.getChangeDateTime());
if ( parentState.hasModifyDateTime())
finfo.setModifyDateTime( parentState.getModifyDateTime());
}
// Set the '..' pseudo entry details
cacheContext.setDotDotInfo( finfo);
}
}
}
else
searchCtx = new ContentSearchContext(cifsHelper, results, searchFileSpec, pseudoList, paths[0]);
// Debug
if (logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_SEARCH))
logger.debug("Started search: search path=" + searchPath + " attributes=" + attributes + ", ctx=" + searchCtx);
// Return the search context
return searchCtx;
}
catch (org.alfresco.repo.security.permissions.AccessDeniedException ex)
{
// Debug
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_SEARCH))
logger.debug("Start search - access denied, " + searchPath);
// Convert to a file not found status
throw new FileNotFoundException("Start search " + searchPath);
}
catch (AlfrescoRuntimeException ex)
{
// Debug
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_SEARCH))
logger.debug("Start search", ex);
// Convert to a file not found status
throw new FileNotFoundException("Start search " + searchPath);
}
}
/**
* Check if the specified file exists, and whether it is a file or directory.
*
* <p>
* WARNING: side effect, commit or roll back current user transaction context. Current transaction becomes read only.
*
* @param sess Server session
* @param tree Tree connection
* @param name the path of the file
* @return FileStatus (0: NotExist, 1 : FileExist, 2: DirectoryExists)
* @see FileStatus
*/
public int fileExists(SrvSession sess, TreeConnection tree, String name)
{
ContentContext ctx = (ContentContext) tree.getContext();
int status = FileStatus.Unknown;
FileState fstate = null;
try
{
// Check for a cached file state
if ( ctx.hasStateCache())
fstate = ctx.getStateCache().findFileState(name, true);
if ( fstate != null && fstate.getFileStatus() != FileUnknown)
{
status = fstate.getFileStatus();
if ( status >= CustomFileStatus)
status = FileNotExist;
// DEBUG
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_INFO))
logger.debug("Cache hit - fileExists() " + name + ", sts=" + status);
}
else
{
// Check if pseudo files are enabled
if ( hasPseudoFileInterface(ctx))
{
// Check if the file name is a pseudo file name
if ( getPseudoFileInterface( ctx).isPseudoFile(sess, tree, name)) {
// Make sure the parent folder has a file state, and the path exists
String[] paths = FileName.splitPath( name);
fstate = ctx.getStateCache().findFileState( paths[0]);
if ( fstate == null) {
// Check if the path exists
if ( fileExists( sess, tree, paths[0]) == FileStatus.DirectoryExists)
{
// Create the file state
fstate = ctx.getStateCache().findFileState( paths[0], true);
fstate.setFileStatus( DirectoryExists);
// Get the node for the folder path
beginReadTransaction( sess);
fstate.setFilesystemObject( getNodeForPath( tree, paths[0]));
// Add pseudo files to the folder
getPseudoFileInterface( ctx).addPseudoFilesToFolder( sess, tree, paths[0]);
// Debug
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_PSEUDO))
logger.debug( "Added file state for pseudo files folder (exists) - " + paths[0]);
}
}
else if ( fstate.hasPseudoFiles() == false)
{
// Make sure the file state has the node ref
if ( fstate.hasFilesystemObject() == false)
{
// Create the transaction
beginReadTransaction( sess);
// Get the node for the folder path
fstate.setFilesystemObject( getNodeForPath( tree, paths[0]));
}
// Add pseudo files for the parent folder
getPseudoFileInterface( ctx).addPseudoFilesToFolder( sess, tree, paths[0]);
// Debug
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_PSEUDO))
logger.debug( "Added pseudo files for folder (exists) - " + paths[0]);
}
// Check if the path is to a pseudo file
PseudoFile pfile = getPseudoFileInterface(ctx).getPseudoFile( sess, tree, name);
if ( pfile != null)
{
// Indicate that the file exists
status = FileStatus.FileExists;
}
else
{
// Failed to find pseudo file
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_PSEUDO))
logger.debug( "Failed to find pseudo file (exists) - " + name);
}
}
}
// If the file is not a pseudo file then search for the file
if ( status == FileStatus.Unknown)
{
// Create the transaction
beginReadTransaction( sess);
// Get the file information to check if the file/folder exists
FileInfo info = getFileInformation(sess, tree, name);
NodeRef nodeRef = getNodeOrNull(name, ctx, fstate);
nodeRef = ((null == nodeRef) && (info instanceof ContentFileInfo)) ? (((ContentFileInfo) info).getNodeRef()) : (nodeRef);
if ((null == nodeRef) || !fileFolderService.exists(nodeRef))
{
status = FileStatus.NotExist;
}
else
{
if (info.isDirectory())
{
status = FileStatus.DirectoryExists;
}
else
{
status = FileStatus.FileExists;
}
}
// Update the file state status
if ( fstate != null)
fstate.setFileStatus( status);
}
}
}
catch (FileNotFoundException e)
{
status = FileStatus.NotExist;
if ( fstate != null)
fstate.setFileStatus( status);
}
catch (IOException e)
{
// Debug
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_INFO))
logger.debug("File exists error, " + name, e);
status = FileStatus.NotExist;
}
// Debug
if (logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_INFO))
logger.debug("File status determined: name=" + name + " status=" + fileStatusString(fstate.getFileStatus()));
// Return the file/folder status
return status;
}
/**
* Open a file or folder
*
* @param sess SrvSession
* @param tree TreeConnection
* @param params FileOpenParams
* @return NetworkFile
* @exception IOException
*/
public NetworkFile openFile(SrvSession sess, TreeConnection tree, FileOpenParams params ) throws IOException
{
// Create the transaction
beginReadTransaction( sess);
ContentContext ctx = (ContentContext) tree.getContext();
try
{
// Check if pseudo files are enabled
if ( hasPseudoFileInterface(ctx))
{
// Check if the file name is a pseudo file name
String path = params.getPath();
if ( getPseudoFileInterface( ctx).isPseudoFile(sess, tree, path)) {
// Make sure the parent folder has a file state, and the path exists
String[] paths = FileName.splitPath( path);
FileState fstate = ctx.getStateCache().findFileState( paths[0]);
if ( fstate == null) {
// Check if the path exists
if ( fileExists( sess, tree, paths[0]) == FileStatus.DirectoryExists)
{
// Create the file state and add any pseudo files
fstate = ctx.getStateCache().findFileState( paths[0], true);
fstate.setFileStatus( DirectoryExists);
getPseudoFileInterface( ctx).addPseudoFilesToFolder( sess, tree, paths[0]);
// Debug
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_PSEUDO))
logger.debug( "Added file state for pseudo files folder (open) - " + paths[0]);
}
}
else if ( fstate.hasPseudoFiles() == false)
{
// Add pseudo files for the parent folder
getPseudoFileInterface( ctx).addPseudoFilesToFolder( sess, tree, paths[0]);
// Debug
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_PSEUDO))
logger.debug( "Added pseudo files for folder (open) - " + paths[0]);
}
// Check if the path is to a pseudo file
PseudoFile pfile = getPseudoFileInterface(ctx).getPseudoFile( sess, tree, params.getPath());
if ( pfile != null)
{
// Create a network file to access the pseudo file data
return pfile.getFile( params.getPath());
}
else
{
// Failed to find pseudo file
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_PSEUDO))
logger.debug( "Failed to find pseudo file (open) - " + params.getPath());
}
}
}
// Not a pseudo file, try and open a normal file/folder node
NodeRef nodeRef = getNodeForPath(tree, params.getPath());
// Check permissions on the file/folder node
//
// Check for read access
if ( params.hasAccessMode(AccessMode.NTRead) &&
permissionService.hasPermission(nodeRef, PermissionService.READ) == AccessStatus.DENIED)
throw new AccessDeniedException("No read access to " + params.getFullPath());
// Check for write access
if ( params.hasAccessMode(AccessMode.NTWrite) &&
permissionService.hasPermission(nodeRef, PermissionService.WRITE) == AccessStatus.DENIED)
throw new AccessDeniedException("No write access to " + params.getFullPath());
// Check for delete access
// if ( params.hasAccessMode(AccessMode.NTDelete) &&
// permissionService.hasPermission(nodeRef, PermissionService.DELETE) == AccessStatus.DENIED)
// throw new AccessDeniedException("No delete access to " + params.getFullPath());
// Check if the file has a lock
String lockTypeStr = (String) nodeService.getProperty( nodeRef, ContentModel.PROP_LOCK_TYPE);
if ( params.hasAccessMode(AccessMode.NTWrite) && lockTypeStr != null)
throw new AccessDeniedException("File is locked, no write access to " + params.getFullPath());
// Check if there is a file state for the file
FileState fstate = null;
if ( ctx.hasStateCache())
{
// Check if there is a file state for the file
fstate = ctx.getStateCache().findFileState( params.getPath());
if ( fstate != null)
{
// Check if the file exists
if ( fstate.exists() == false)
throw new FileNotFoundException();
}
else {
// Create a file state for the path
fstate = ctx.getStateCache().findFileState( params.getPath(), true);
}
// Check if the current file open allows the required shared access
boolean nosharing = false;
// TEST
if ( params.getAccessMode() == AccessMode.NTFileGenericExecute && params.getPath().toLowerCase().endsWith( ".exe") == false) {
// DEBUG
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_FILE)) {
logger.debug( "Execute access mode, path" + params.getPath());
logger.debug( " Fstate=" + fstate);
}
throw new AccessDeniedException("Invalid access mode");
}
if ( fstate.getOpenCount() > 0) {
// Check for impersonation security level from the original process that opened the file
if ( params.getSecurityLevel() == WinNT.SecurityImpersonation && params.getProcessId() == fstate.getProcessId())
nosharing = false;
// Check if the caller wants read access, check the sharing mode
else if ( params.isReadOnlyAccess() && (fstate.getSharedAccess() & SharingMode.READ) != 0)
nosharing = false;
// Check if the caller wants write access, check the sharing mode
else if (( params.isReadWriteAccess() || params.isWriteOnlyAccess()) && (fstate.getSharedAccess() & SharingMode.WRITE) == 0)
{
// DEBUG
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_FILE))
logger.debug("Sharing mode disallows write access path=" + params.getPath());
// Access not allowed
throw new AccessDeniedException( "Sharing mode (write)");
}
// Check if the file has been opened for exclusive access
else if ( fstate.getSharedAccess() == SharingMode.NOSHARING)
nosharing = true;
// Check if the required sharing mode is allowed by the current file open
else if ( ( fstate.getSharedAccess() & params.getSharedAccess()) != params.getSharedAccess())
nosharing = true;
// Check if the caller wants exclusive access to the file
else if ( params.getSharedAccess() == SharingMode.NOSHARING)
nosharing = true;
}
// Check if the file allows shared access
if ( nosharing == true)
{
if ( params.getPath().equals( "\\") == false) {
// DEBUG
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_FILE))
logger.debug("Sharing violation path=" + params.getPath() + ", sharing=0x" + Integer.toHexString(fstate.getSharedAccess()));
// File is locked by another user
throw new FileSharingException("File already open, " + params.getPath());
}
}
// Update the file sharing mode and process id, if this is the first file open
fstate.setSharedAccess( params.getSharedAccess());
fstate.setProcessId( params.getProcessId());
// DEBUG
if ( logger.isDebugEnabled() && fstate.getOpenCount() == 0 && ctx.hasDebug(AlfrescoContext.DBG_FILE))
logger.debug("Path " + params.getPath() + ", sharing=0x" + Integer.toHexString(params.getSharedAccess()) + ", PID=" + params.getProcessId());
}
// Check if the node is a link node
NodeRef linkRef = (NodeRef) nodeService.getProperty(nodeRef, ContentModel.PROP_LINK_DESTINATION);
AlfrescoNetworkFile netFile = null;
if ( linkRef == null)
{
// Check if the file is already opened by this client/process
if ( tree.openFileCount() > 0) {
// Search the open file table for this session/virtual circuit
int idx = 0;
while ( idx < tree.getFileTableLength() && netFile == null) {
// Get the current file from the open file table
NetworkFile curFile = tree.findFile( idx);
if ( curFile != null && curFile instanceof ContentNetworkFile) {
// Check if the file is the same path and process id
ContentNetworkFile contentFile = (ContentNetworkFile) curFile;
if ( contentFile.getProcessId() == params.getProcessId() &&
contentFile.getFullName().equalsIgnoreCase( params.getFullPath())) {
// Check that the access mode is the same
if (( params.isReadWriteAccess() && contentFile.getGrantedAccess() == NetworkFile.READWRITE) ||
( params.isReadOnlyAccess() && contentFile.getGrantedAccess() == NetworkFile.READONLY)) {
// Found a match, re-use the open file
netFile = contentFile;
// Increment the file open count, last file close will actually close the file/stream
contentFile.incrementOpenCount();
// DEBUG
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_FILE))
logger.debug("Re-use existing file open Path " + params.getPath() + ", PID=" + params.getProcessId() + ", params=" +
( params.isReadOnlyAccess() ? "ReadOnly" : "Write") + ", file=" +
( contentFile.getGrantedAccess() == NetworkFile.READONLY ? "ReadOnly" : "Write"));
}
else if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_FILE))
logger.debug("Not re-using file path=" + params.getPath() + ", readWrite=" + (params.isReadWriteAccess() ? "true" : "false") +
", readOnly=" + (params.isReadOnlyAccess() ? "true" : "false") +
", grantedAccess=" + contentFile.getGrantedAccessAsString());
}
}
// Update the file table index
idx++;
}
}
// Create the network file, if we could not match an existing file open
if ( netFile == null) {
// Create a new network file for the open request
netFile = ContentNetworkFile.createFile(nodeService, contentService, mimetypeService, cifsHelper, nodeRef, params, sess);
}
}
else
{
// Get the CIFS server name
String srvName = null;
SMBServer cifsServer = (SMBServer) sess.getServer().getConfiguration().findServer( "CIFS");
if ( cifsServer != null)
{
// Use the CIFS server name in the URL
srvName = cifsServer.getServerName();
}
else
{
// Use the local server name in the URL
srvName = InetAddress.getLocalHost().getHostName();
}
// Convert the target node to a path, convert to URL format
String path = getPathForNode( tree, linkRef);
path = path.replace( FileName.DOS_SEPERATOR, '/');
// Build the URL file data
StringBuilder urlStr = new StringBuilder();
urlStr.append("[InternetShortcut]\r\n");
urlStr.append("URL=file://");
urlStr.append( srvName);
urlStr.append("/");
urlStr.append( tree.getSharedDevice().getName());
urlStr.append( path);
urlStr.append("\r\n");
// Create the in memory pseudo file for the URL link
byte[] urlData = urlStr.toString().getBytes();
// Get the file information for the link node
FileInfo fInfo = cifsHelper.getFileInformation( nodeRef, isReadOnly, isLockedFilesAsOffline);
// Set the file size to the actual data length
fInfo.setFileSize( urlData.length);
// Create the network file using the in-memory file data
netFile = new LinkMemoryNetworkFile( fInfo.getFileName(), urlData, fInfo, nodeRef);
netFile.setFullName( params.getPath());
}
// Generate a file id for the file
if ( netFile != null) {
long id = DefaultTypeConverter.INSTANCE.convert(Long.class, nodeService.getProperty(nodeRef, ContentModel.PROP_NODE_DBID));
netFile.setFileId(( int) ( id & 0xFFFFFFFFL));
}
// If the file has been opened for overwrite then truncate the file to zero length, this will
// also prevent the existing content data from being copied to the new version of the file
if ( params.isOverwrite() && netFile != null)
{
// Truncate the file to zero length
netFile.truncateFile( 0L);
}
// Create a file state for the open file
if ( ctx.hasStateCache())
{
if ( fstate == null)
fstate = ctx.getStateCache().findFileState(params.getPath(), true);
// Update the file state, cache the node
fstate.incrementOpenCount();
fstate.setFilesystemObject(nodeRef);
// Store the state with the file
netFile.setFileState( fstate);
// Set the file access date/time, if available
if ( fstate.hasAccessDateTime())
netFile.setAccessDate( fstate.getAccessDateTime());
}
// Debug
if (logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_FILE))
logger.debug("Opened network file: path=" + params.getPath() + " file open parameters=" + params + " network file=" + netFile);
// Return the network file
return netFile;
}
catch (org.alfresco.repo.security.permissions.AccessDeniedException ex)
{
// Debug
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_FILE))
logger.debug("Open file - access denied, " + params.getFullPath());
// Convert to a filesystem access denied status
throw new AccessDeniedException("Open file " + params.getFullPath());
}
catch (AlfrescoRuntimeException ex)
{
// Debug
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_FILE))
logger.debug("Open file error", ex);
// Convert to a general I/O exception
throw new IOException("Open file " + params.getFullPath());
}
}
/**
* Create a new file on the file system.
*
* <p>
* WARNING : side effect - closes current transaction context.
*
* @param sess Server session
* @param tree Tree connection
* @param params File create parameters
* @return NetworkFile
* @exception java.io.IOException If an error occurs.
*/
public NetworkFile createFile(SrvSession sess, final TreeConnection tree, final FileOpenParams params) throws IOException
{
final ContentContext ctx = (ContentContext) tree.getContext();
try
{
// Access the repository in a retryable write transaction
Pair<String, NodeRef> result = doInWriteTransaction(sess, new CallableIO<Pair<String, NodeRef>>(){
public Pair<String, NodeRef> call() throws IOException
{
// Get the device root
NodeRef deviceRootNodeRef = ctx.getRootNode();
String path = params.getPath();
String parentPath = null;
// If the state table is available then try to find the parent folder node for the new file
// to save having to walk the path
if (ctx.hasStateCache())
{
// See if the parent folder has a file state, we can avoid having to walk the path
String[] paths = FileName.splitPath(path);
if ( paths[0] != null && paths[0].length() > 1)
{
// Find the node ref for the folder being searched
NodeRef nodeRef = getNodeForPath(tree, paths[0]);
if ( nodeRef != null)
{
deviceRootNodeRef = nodeRef;
path = paths[1];
// DEBUG
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_FILE))
logger.debug("Create file using cached noderef for path " + paths[0]);
}
parentPath = paths[0];
}
}
// Create it - the path will be created, if necessary
if(logger.isDebugEnabled())
{
logger.debug("create new file" + path);
}
NodeRef nodeRef = cifsHelper.createNode(deviceRootNodeRef, path, ContentModel.TYPE_CONTENT);
nodeService.addAspect(nodeRef, ContentModel.ASPECT_NO_CONTENT, null);
return new Pair<String, NodeRef>(parentPath, nodeRef);
}});
// Get or create the file state for the parent folder
FileState parentState = null;
String parentPath = result.getFirst();
if (parentPath != null)
{
parentState = getStateForPath(tree, parentPath);
if (parentState == null && ctx.hasStateCache())
parentState = ctx.getStateCache().findFileState(parentPath, true);
}
// Create the network file
ContentNetworkFile netFile = ContentNetworkFile.createFile(nodeService, contentService, mimetypeService, cifsHelper, result.getSecond(), params, sess);
// Always allow write access to a newly created file
netFile.setGrantedAccess(NetworkFile.READWRITE);
// Set the owner process id for this open file
netFile.setProcessId( params.getProcessId());
// Truncate the file so that the content stream is created
netFile.truncateFile( 0L);
// Generate a file id for the file
if ( netFile != null) {
long id = DefaultTypeConverter.INSTANCE.convert(Long.class, nodeService.getProperty(netFile.getNodeRef(), ContentModel.PROP_NODE_DBID));
netFile.setFileId((int) (id & 0xFFFFFFFFL));
}
// Add a file state for the new file/folder
if ( ctx.hasStateCache())
{
FileState fstate = ctx.getStateCache().findFileState(params.getPath(), true);
if ( fstate != null)
{
// Save the file sharing mode, needs to be done before the open count is incremented
fstate.setSharedAccess( params.getSharedAccess());
fstate.setProcessId( params.getProcessId());
// Indicate that the file is open
fstate.setFileStatus( FileExists);
fstate.incrementOpenCount();
fstate.setFilesystemObject(result.getSecond());
// Track the intial allocation size
fstate.setAllocationSize( params.getAllocationSize());
// Store the file state with the file
netFile.setFileState( fstate);
// DEBUG
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_FILE))
logger.debug("Create file, state=" + fstate);
}
// Update the parent folder file state
if ( parentState != null)
parentState.updateModifyDateTime();
}
// Debug
if (logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_FILE))
logger.debug("Created file: path=" + params.getPath() + " file open parameters=" + params + " node=" + result.getSecond() + " network file=" + netFile);
// Return the new network file
return netFile;
}
catch (org.alfresco.repo.security.permissions.AccessDeniedException ex)
{
// Debug
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_FILE))
logger.debug("Create file - access denied, " + params.getFullPath());
// Convert to a filesystem access denied status
throw new AccessDeniedException("Create file " + params.getFullPath());
}
catch (ContentIOException ex)
{
// Debug
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_FILE))
logger.debug("Create file - content I/O error, " + params.getFullPath());
// Convert to a filesystem disk full status
throw new DiskFullException("Create file " + params.getFullPath());
}
catch (AlfrescoRuntimeException ex)
{
// Debug
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_FILE))
logger.debug("Create file error", ex);
// Convert to a general I/O exception
throw new IOException("Create file " + params.getFullPath(), ex);
}
}
/**
* Create a new directory on this file system.
*
* <p>
* WARNING : side effect - closes current transaction context.
*
* @param sess Server session
* @param tree Tree connection.
* @param params Directory create parameters
* @exception java.io.IOException If an error occurs.
*/
public void createDirectory(SrvSession sess, final TreeConnection tree, final FileOpenParams params) throws IOException
{
final ContentContext ctx = (ContentContext) tree.getContext();
try
{
// Access the repository in a retryable write transaction
Pair<String, NodeRef> result = doInWriteTransaction(sess, new CallableIO<Pair<String, NodeRef>>()
{
public Pair<String, NodeRef> call() throws IOException
{
// get the device root
NodeRef deviceRootNodeRef = ctx.getRootNode();
String path = params.getPath();
String parentPath = null;
// If the state table is available then try to find the parent folder node for the new folder
// to save having to walk the path
if ( ctx.hasStateCache())
{
// See if the parent folder has a file state, we can avoid having to walk the path
String[] paths = FileName.splitPath(path);
if (paths[0] != null && paths[0].length() > 1)
{
// Find the node ref for the folder being searched
NodeRef nodeRef = getNodeForPath(tree, paths[0]);
if (nodeRef != null)
{
deviceRootNodeRef = nodeRef;
path = paths[1];
// DEBUG
if (logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_FILE))
logger.debug("Create file using cached noderef for path " + paths[0]);
}
parentPath = paths[0];
}
}
// Create it - the path will be created, if necessary
NodeRef nodeRef = cifsHelper.createNode(deviceRootNodeRef, path, ContentModel.TYPE_FOLDER);
return new Pair<String, NodeRef>(parentPath, nodeRef);
}
});
// Get or create the file state for the parent folder
FileState parentState = null;
String parentPath = result.getFirst();
if (parentPath != null)
{
parentState = getStateForPath(tree, parentPath);
if (parentState == null && ctx.hasStateCache())
parentState = ctx.getStateCache().findFileState(parentPath, true);
}
// Add a file state for the new folder
if ( ctx.hasStateCache())
{
FileState fstate = ctx.getStateCache().findFileState( params.getPath(), true);
if ( fstate != null)
{
// Indicate that the file is open
fstate.setFileStatus( DirectoryExists);
fstate.setFilesystemObject(result.getSecond());
// DEBUG
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_FILE))
logger.debug("Create folder, state=" + fstate);
}
// Update the parent folder file state
if ( parentState != null)
parentState.updateModifyDateTime();
}
// Debug
if (logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_FILE))
logger.debug("Created directory: path=" + params.getPath() + " file open params=" + params + " node=" + result.getSecond());
}
catch (org.alfresco.repo.security.permissions.AccessDeniedException ex)
{
// Debug
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_FILE))
logger.debug("Create directory - access denied, " + params.getFullPath());
// Convert to a filesystem access denied status
throw new AccessDeniedException("Create directory " + params.getFullPath());
}
catch (AlfrescoRuntimeException ex)
{
// Debug
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_FILE))
logger.debug("Create directory error", ex);
// Convert to a general I/O exception
throw new IOException("Create directory " + params.getFullPath(), ex);
}
}
/**
* Delete the directory from the filesystem.
*
* @param sess Server session
* @param tree Tree connection
* @param dir Directory name.
* @exception java.io.IOException The exception description.
*/
public void deleteDirectory(SrvSession sess, TreeConnection tree, final String dir) throws IOException
{
// get the device root
ContentContext ctx = (ContentContext) tree.getContext();
final NodeRef deviceRootNodeRef = ctx.getRootNode();
try
{
NodeRef nodeRef = doInWriteTransaction(sess, new CallableIO<NodeRef>(){
public NodeRef call() throws IOException
{
// Get the node for the folder
NodeRef nodeRef = cifsHelper.getNodeRef(deviceRootNodeRef, dir);
if (fileFolderService.exists(nodeRef))
{
// Check if the folder is empty
if ( cifsHelper.isFolderEmpty( nodeRef))
{
// Delete the folder node
fileFolderService.delete(nodeRef);
return nodeRef;
}
else
{
throw new DirectoryNotEmptyException( dir);
}
}
return null;
}});
if (nodeRef != null && ctx.hasStateCache())
{
// Remove the file state
ctx.getStateCache().removeFileState(dir);
// Update, or create, a parent folder file state
String[] paths = FileName.splitPath(dir);
if ( paths[0] != null && paths[0].length() > 1)
{
// Get the file state for the parent folder
FileState parentState = getStateForPath(tree, paths[0]);
if ( parentState == null && ctx.hasStateCache())
parentState = ctx.getStateCache().findFileState( paths[0], true);
// Update the modification timestamp
parentState.updateModifyDateTime();
}
}
// Debug
if (logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_FILE))
logger.debug("Deleted directory: directory=" + dir + " node=" + nodeRef);
}
catch (FileNotFoundException e)
{
// Debug
if (logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_FILE))
logger.debug("Delete directory - file not found, " + dir);
}
catch (org.alfresco.repo.security.permissions.AccessDeniedException ex)
{
// Debug
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_FILE))
logger.debug("Delete directory - access denied, " + dir);
// Convert to a filesystem access denied status
throw new AccessDeniedException("Delete directory " + dir);
}
catch (AlfrescoRuntimeException ex)
{
// Debug
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_FILE))
logger.debug("Delete directory", ex);
// Convert to a general I/O exception
throw new IOException("Delete directory " + dir);
}
}
/**
* Flush any buffered output for the specified file.
*
* @param sess Server session
* @param tree Tree connection
* @param file Network file context.
* @exception java.io.IOException The exception description.
*/
public void flushFile(SrvSession sess, TreeConnection tree, NetworkFile file) throws IOException
{
// Debug
ContentContext ctx = (ContentContext) tree.getContext();
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_FILEIO))
logger.debug("Flush file=" + file.getFullName());
// Flush the file data
file.flushFile();
}
/**
* Close the file.
*
* @param sess Server session
* @param tree Tree connection.
* @param param Network file context.
* @exception java.io.IOException If an error occurs.
*/
public void closeFile(SrvSession sess, TreeConnection tree, final NetworkFile file) throws IOException
{
if (logger.isDebugEnabled())
{
logger.debug("Close file: file" + file);
}
// Get the associated file state
final ContentContext ctx = (ContentContext) tree.getContext();
FileState toUpdate = null;
// Check for a content file
if ( file instanceof ContentNetworkFile) {
// Update the file state
if ( ctx.hasStateCache())
{
FileState fstate = ctx.getStateCache().findFileState(file.getFullName());
if ( fstate != null) {
// If the file open count is now zero then reset the stored sharing mode
if ( fstate.decrementOpenCount() == 0)
fstate.setSharedAccess( SharingMode.READWRITE + SharingMode.DELETE);
// Check if there is a cached modification timestamp to be written out
if ( file.hasDeleteOnClose() == false && fstate.hasModifyDateTime() && fstate.hasFilesystemObject() && fstate.isDirectory() == false) {
// Update the modification date on the file/folder node
toUpdate = fstate;
}
}
}
// Decrement the file open count
ContentNetworkFile contentFile = (ContentNetworkFile) file;
if ( contentFile.decrementOpenCount() > 0) {
// DEBUG
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_FILE))
logger.debug("Deferred file close, path=" + file.getFullName() + ", openCount=" + contentFile.getOpenCount());
// Defer the file close to the last reference
return;
}
else if ( logger.isDebugEnabled())
logger.debug("Last reference to file, closing, path=" + file.getFullName() + ", access=" + file.getGrantedAccessAsString() + ", fid=" + file.getProtocolId() +
", modified=" + contentFile.isModified());
}
// Check if there is a quota manager enabled
long fileSize = 0L;
if ( ctx.hasQuotaManager() && file.hasDeleteOnClose()) {
// Make sure the content stream has been opened, to get the current file size
if ( file instanceof ContentNetworkFile) {
ContentNetworkFile contentFile = (ContentNetworkFile) file;
if ( contentFile.hasContent() == false)
contentFile.openContent( false, false);
// Save the current file size
fileSize = contentFile.getFileSize();
}
}
// Depending on whether the node has the NO_CONTENT aspect, we may have to wipe it out on error
final CallableIO<Void> errorHandler = new CallableIO<Void>()
{
public Void call() throws IOException
{
if (file instanceof NodeRefNetworkFile)
{
NodeRef nodeRef = ((NodeRefNetworkFile) file).getNodeRef();
if (nodeService.hasAspect(nodeRef, ContentModel.ASPECT_NO_CONTENT))
{
logger.debug("No content - delete");
fileFolderService.delete(nodeRef);
}
}
return null;
}
};
try
{
// Perform repository updates in a retryable write transaction
final FileState finalFileState = toUpdate;
Pair<NodeRef, Boolean> result = doInWriteTransaction(sess, new CallableIO<Pair<NodeRef, Boolean>>()
{
public Pair<NodeRef, Boolean> call() throws IOException
{
// Check if the file is an OpenOffice document and hte truncation flag is set
//
// Note: Check before the timestamp update
if ( file instanceof OpenOfficeContentNetworkFile) {
OpenOfficeContentNetworkFile ooFile = (OpenOfficeContentNetworkFile) file;
if ( ooFile.truncatedToZeroLength()) {
// Inhibit versioning for this transaction
getPolicyFilter().disableBehaviour( ContentModel.ASPECT_VERSIONABLE);
// Debug
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_FILE))
logger.debug("OpenOffice file truncation update only, inhibit versioning, " + file.getFullName());
}
}
// Update the modification date on the file/folder node
if (finalFileState != null && file instanceof ContentNetworkFile)
{
NodeRef nodeRef = (NodeRef) finalFileState.getFilesystemObject();
// Check if the file data has been updated, if not then inhibit versioning for this txn
// so the timestamp update does not generate a new file version
ContentNetworkFile contentFile = (ContentNetworkFile) file;
if ( contentFile.isModified() == false && nodeService.hasAspect(nodeRef, ContentModel.ASPECT_VERSIONABLE)) {
// Stop a new file version being generated
getPolicyFilter().disableBehaviour( ContentModel.ASPECT_VERSIONABLE);
// Debug
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_FILE))
logger.debug("Timestamp update only, inhibit versioning, " + file.getFullName());
}
// Update the modification timestamp
getPolicyFilter().disableBehaviour(nodeRef, ContentModel.ASPECT_AUDITABLE);
if (permissionService.hasPermission((NodeRef) finalFileState.getFilesystemObject(), PermissionService.WRITE_PROPERTIES) == AccessStatus.ALLOWED)
{
nodeService.setProperty(nodeRef, ContentModel.PROP_MODIFIER, authService.getCurrentUserName());
Date modifyDate = new Date(finalFileState.getModifyDateTime());
nodeService.setProperty(nodeRef, ContentModel.PROP_MODIFIED, modifyDate);
// Debug
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_FILE))
logger.debug("Updated modification timestamp, " + file.getFullName() + ", modTime=" + modifyDate);
}
}
// Defer to the network file to close the stream and remove the content
file.close();
// Remove the node if marked for delete
if (file.hasDeleteOnClose())
{
logger.debug("File has delete on close");
// Check if the file is a noderef based file
if ( file instanceof NodeRefNetworkFile)
{
NodeRefNetworkFile nodeNetFile = (NodeRefNetworkFile) file;
final NodeRef nodeRef = nodeNetFile.getNodeRef();
// We don't know how long the network file has had the reference, so check for existence
if (fileFolderService.exists(nodeRef))
{
try
{
boolean isVersionable = nodeService.hasAspect( nodeRef, ContentModel.ASPECT_VERSIONABLE);
try
{
// Delete the file
FileState fileState = ctx.getStateCache().findFileState(file.getFullName());
if (fileState!= null && fileState.findAttribute(CanDeleteWithoutPerms) != null)
{
//Has CanDeleteWithoutPerms attribute, so delete from system user
AuthenticationUtil.runAs(new AuthenticationUtil.RunAsWork<Object>()
{
@Override
public Object doWork() throws Exception
{
logger.debug("delete as system" + nodeRef);
fileFolderService.delete(nodeRef);
return null;
}
}, AuthenticationUtil.getSystemUserName());
}
else
{
logger.debug("delete nodeRef:" + nodeRef);
fileFolderService.delete(nodeRef);
}
}
catch ( Exception ex)
{
logger.debug("on delete on close", ex);
// Propagate retryable errors. Log the rest.
if (RetryingTransactionHelper.extractRetryCause(ex) != null)
{
if (ex instanceof RuntimeException)
{
throw (RuntimeException)ex;
}
else
{
throw new AlfrescoRuntimeException("Error during delete on close, " + file.getFullName(), ex);
}
}
if ( logger.isWarnEnabled() && ctx.hasDebug(AlfrescoContext.DBG_FILE))
logger.warn("Error during delete on close, " + file.getFullName(), ex);
}
// Return a node ref to update in the state table
return new Pair<NodeRef, Boolean>(nodeRef, isVersionable);
}
catch (org.alfresco.repo.security.permissions.AccessDeniedException ex)
{
// Debug
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_FILE))
logger.debug("Delete on close - access denied, " + file.getFullName());
// Convert to a filesystem access denied exception
throw new AccessDeniedException("Delete on close " + file.getFullName());
}
}
}
}
return null;
}});
if (result != null)
{
// Check if there is a quota manager enabled, release space back to the user quota
if ( ctx.hasQuotaManager())
ctx.getQuotaManager().releaseSpace(sess, tree, file.getFileId(), file.getFullName(), fileSize);
// Set the file state to indicate a delete on close
if (ctx.hasStateCache())
{
if (result.getSecond())
{
// Get, or create, the file state
FileState fState = ctx.getStateCache().findFileState(file.getFullName(), true);
// Indicate that the file was deleted via a delete on close request
fState.setFileStatus(DeleteOnClose);
// Make sure the file state is cached for a short while, save the noderef details
fState.setExpiryTime(System.currentTimeMillis() + FileState.RenameTimeout);
fState.setFilesystemObject(result.getFirst());
}
else
{
// Remove the file state
ctx.getStateCache().removeFileState(file.getFullName());
}
}
}
else if (file.hasDeleteOnClose() && (file instanceof PseudoNetworkFile || file instanceof MemoryNetworkFile)
&& hasPseudoFileInterface(ctx))
{
// Delete the pseudo file
getPseudoFileInterface(ctx).deletePseudoFile(sess, tree, file.getFullName());
}
// DEBUG
if (logger.isDebugEnabled() && (ctx.hasDebug(AlfrescoContext.DBG_FILE) || ctx.hasDebug(AlfrescoContext.DBG_RENAME))) {
logger.debug("Closed file: network file=" + file + " delete on close=" + file.hasDeleteOnClose());
if ( file.hasDeleteOnClose() == false && file instanceof ContentNetworkFile) {
ContentNetworkFile cFile = (ContentNetworkFile) file;
logger.debug(" File " + file.getFullName() + ", version=" + nodeService.getProperty( cFile.getNodeRef(), ContentModel.PROP_VERSION_LABEL));
}
}
}
// Make sure we clean up before propagating exceptions
catch (IOException e)
{
try
{
doInWriteTransaction(sess, errorHandler);
}
catch (Throwable t)
{
logger.error(t.getMessage(), t);
}
throw e;
}
catch (RuntimeException e)
{
try
{
doInWriteTransaction(sess, errorHandler);
}
catch (Throwable t)
{
logger.error(t.getMessage(), t);
}
throw e;
}
catch (Error e)
{
try
{
doInWriteTransaction(sess, errorHandler);
}
catch (Throwable t)
{
logger.error(t.getMessage(), t);
}
throw e;
}
}
/**
* Delete the specified file.
*
* @param sess Server session
* @param tree Tree connection
* @param file NetworkFile
* @exception java.io.IOException The exception description.
*/
public void deleteFile(final SrvSession sess, final TreeConnection tree, final String name) throws IOException
{
// Get the device context
if ( logger.isDebugEnabled())
{
logger.debug("Delete file - " + name);
}
final ContentContext ctx = (ContentContext) tree.getContext();
try
{
// Check if pseudo files are enabled
if ( hasPseudoFileInterface(ctx))
{
// Check if the file name is a pseudo file name
if ( getPseudoFileInterface( ctx).isPseudoFile(sess, tree, name)) {
// Make sure the parent folder has a file state, and the path exists
String[] paths = FileName.splitPath( name);
FileState fstate = ctx.getStateCache().findFileState( paths[0]);
if ( fstate != null) {
// Check if the path is to a pseudo file
PseudoFile pfile = getPseudoFileInterface(ctx).getPseudoFile( sess, tree, name);
if ( pfile != null)
{
// Delete the pseudo file
getPseudoFileInterface( ctx).deletePseudoFile( sess, tree, name);
return;
}
}
}
}
// Check if there is a quota manager enabled, if so then we need to save the current file size
final QuotaManager quotaMgr = ctx.getQuotaManager();
// Perform repository updates in a retryable write transaction
Callable<Void> postTxn = doInWriteTransaction(sess, new CallableIO<Callable<Void>>()
{
public Callable<Void> call() throws IOException
{
// Get the node and delete it
final NodeRef nodeRef = getNodeForPath(tree, name);
Callable<Void> result = null;
if (fileFolderService.exists(nodeRef))
{
// Get the size of the file being deleted
final FileInfo fInfo = quotaMgr == null ? null : getFileInformation(sess, tree, name);
// Check if the node is versionable
final boolean isVersionable = nodeService.hasAspect(nodeRef, ContentModel.ASPECT_VERSIONABLE);
if(logger.isDebugEnabled())
{
logger.debug("deleted file" + name);
}
fileFolderService.delete(nodeRef);
// Return the operations to perform when the transaction succeeds
result = new Callable<Void>()
{
public Void call() throws Exception
{
// Remove the file state
if (ctx.hasStateCache())
{
// Check if the node is versionable, cache the node details for a short while
if (isVersionable == true)
{
// Make sure the file state is cached for a short while, a new file may be
// renamed to the same name
// in which case we can connect the file to the previous version history
FileState delState = ctx.getStateCache().findFileState(name, true);
if(logger.isDebugEnabled())
{
logger.debug("set delete on close" + name);
}
delState.setExpiryTime(System.currentTimeMillis() + FileState.DeleteTimeout);
delState.setFileStatus(DeleteOnClose);
delState.setFilesystemObject(nodeRef);
}
else
{
// Remove the file state
ctx.getStateCache().removeFileState(name);
}
// Update, or create, a parent folder file state
String[] paths = FileName.splitPath(name);
if (paths[0] != null && paths[0].length() > 1)
{
// Get the file state for the parent folder
FileState parentState = getStateForPath(tree, paths[0]);
if (parentState == null && ctx.hasStateCache())
parentState = ctx.getStateCache().findFileState(paths[0], true);
// Update the modification timestamp
parentState.updateModifyDateTime();
}
}
// Release the space back to the users quota
if (quotaMgr != null)
quotaMgr.releaseSpace(sess, tree, fInfo.getFileId(), name, fInfo.getSize());
return null;
}
};
}
// Debug
if (logger.isDebugEnabled() && (ctx.hasDebug(AlfrescoContext.DBG_FILE) || ctx.hasDebug(AlfrescoContext.DBG_RENAME)))
logger.debug("Deleted file: " + name + ", node=" + nodeRef);
return result;
}
});
// Perform state updates after the transaction succeeds
postTxn.call();
}
catch (NodeLockedException ex)
{
// Debug
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_FILE))
logger.debug("Delete file - access denied (locked)");
// Convert to a filesystem access denied status
throw new AccessDeniedException("Delete " + name);
}
catch (org.alfresco.repo.security.permissions.AccessDeniedException ex)
{
// Debug
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_FILE))
logger.debug("Delete file - access denied");
// Convert to a filesystem access denied status
throw new AccessDeniedException("Delete " + name);
}
catch (IOException ex)
{
// Allow I/O Exceptions to pass through
throw ex;
}
catch (Exception ex)
{
// Debug
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_FILE))
logger.debug("Delete file error", ex);
// Convert to a general I/O exception
IOException ioe = new IOException("Delete file " + name);
ioe.initCause(ex);
throw ioe;
}
}
/**
* Rename the specified file.
*
* @param sess Server session
* @param tree Tree connection
* @param oldName java.lang.String
* @param newName java.lang.String
* @exception java.io.IOException The exception description.
*/
public void renameFile(final SrvSession sess, final TreeConnection tree, final String oldName, final String newName)
throws IOException
{
// Create the transaction (initially read-only)
beginReadTransaction(sess);
// Get the device context
final ContentContext ctx = (ContentContext) tree.getContext();
// DEBUG
if (logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_RENAME))
logger.debug("Rename oldName=" + oldName + ", newName=" + newName);
try
{
// Get the file/folder to move
final NodeRef nodeToMoveRef = getNodeForPath(tree, oldName);
// Check if the node is a link node
if ( nodeToMoveRef != null && nodeService.getProperty(nodeToMoveRef, ContentModel.PROP_LINK_DESTINATION) != null)
throw new AccessDeniedException("Cannot rename link nodes");
// Get the new target folder - it must be a folder
String[] splitPaths = FileName.splitPath(newName);
String[] oldPaths = FileName.splitPath(oldName);
final NodeRef targetFolderRef = getNodeForPath(tree, splitPaths[0]);
final NodeRef sourceFolderRef = getNodeForPath(tree, oldPaths[0]);
final String name = splitPaths[1];
// Check if this is a rename within the same folder
final boolean sameFolder = splitPaths[0].equalsIgnoreCase(oldPaths[0]);
// Get the file state for the old file, if available
final FileState oldState = ctx.getStateCache().findFileState(oldName, true);
// Check if we are renaming a folder, or the rename is to a different folder
boolean isFolder = cifsHelper.isDirectory(nodeToMoveRef);
if ( isFolder == true || sameFolder == false) {
// Rename or move the file/folder
doInWriteTransaction(sess, new CallableIO<Void>()
{
public Void call() throws IOException
{
if (sameFolder == true)
cifsHelper.rename(nodeToMoveRef, name);
else
cifsHelper.move(nodeToMoveRef, sourceFolderRef, targetFolderRef, name);
return null;
}
});
// Update the old file state
if (oldState != null)
{
// Update the file state index to use the new name
ctx.getStateCache().renameFileState(newName, oldState, isFolder);
}
// DEBUG
if (logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_RENAME))
logger.debug(" Renamed " + (isFolder ? "folder" : "file") + " using "
+ (sameFolder ? "rename" : "move"));
}
else
{
// Rename a file within the same folder
//
// Check if the target file already exists
final int newExists = fileExists(sess, tree, newName);
final FileState newState = ctx.getStateCache().findFileState(newName, true);
List<Runnable> postTxn = doInWriteTransaction(sess, new CallableIO<List<Runnable>>()
{
public List<Runnable> call() throws IOException
{
List<Runnable> postTxn = new LinkedList<Runnable>();
NodeRef targetNodeRef = null;
boolean isFromVersionable = nodeService.hasAspect( nodeToMoveRef, ContentModel.ASPECT_VERSIONABLE);
boolean typesCompatible = true;
// HACK ALF-3856: Version History lost when Versionable Content renamed via CIFS
// This code will move into the repo layer (or just above it)
// and this complexity removed from here.
// Attempt to detect normal renames. Hack alert!
Pattern renameShufflePattern = ctx.getRenameShufflePattern();
boolean renameShuffle = isRenameShuffle(oldName, newName, renameShufflePattern);
if (logger.isDebugEnabled())
{
logger.debug(
"Rename file: \n" +
" Old name: " + oldName + "\n" +
" New name: " + newName + "\n" +
" Pattern: " + renameShufflePattern.pattern() + "\n" +
" Is shuffle: " + renameShuffle + "\n" +
" Source folder: " + sourceFolderRef + "\n" +
" Target folder: " + targetFolderRef + "\n" +
" Node: " + nodeToMoveRef + "\n" +
" Aspects: " + nodeService.getAspects(nodeToMoveRef));
}
if ( newExists == FileStatus.FileExists)
{
// Use the existing file as the target node
targetNodeRef = getNodeForPath( tree, newName);
}
else if (renameShuffle)
{
logger.debug("is rename shuffle");
// Check if the target has a renamed or delete-on-close state
if ( newState.getFileStatus() == FileRenamed)
{
logger.debug("file status == FileRenamed");
// DEBUG
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_RENAME))
logger.debug(" Using renamed node, " + newState);
NodeRef newStateNode = (NodeRef)newState.getFilesystemObject();
QName oldType = nodeService.getType(nodeToMoveRef);
QName newType = nodeService.getType(newStateNode);
if (oldType.equals(newType)) {
// Use the renamed node to clone aspects/state if it is of the correct type
cloneNode(name, newStateNode, nodeToMoveRef, ctx);
}
else
{
logger.debug("not renamed, must create new node");
// Otherwise we must create a node of the correct type
targetNodeRef = cifsHelper.createNode(ctx.getRootNode(), newName, newType);
// Force a copy to this target
typesCompatible = false;
// DEBUG
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_RENAME))
logger.debug(" Created new node for " + newName + " type " + newType + ", isFromVersionable=false");
// Copy aspects from the original state
cloneNode( name, newStateNode, targetNodeRef, ctx);
}
//Change state for tmp node to allow delete it without special permission
String newStateNodeName = (String) nodeService.getProperty(newStateNode, ContentModel.PROP_NAME);
FileState stateForTmp = ctx.getStateCache().findFileState(newName.substring(0,newName.lastIndexOf("\\")) +"\\"+ newStateNodeName);
stateForTmp.addAttribute(CanDeleteWithoutPerms, true);
stateForTmp.setExpiryTime(System.currentTimeMillis() + FileState.DeleteTimeout);
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_RENAME))
logger.debug(" Set CanDeleteWithoutPerms=true for " + stateForTmp);
}
else if ( newState.getFileStatus() == DeleteOnClose)
{
logger.debug("file state is delete on close");
// DEBUG
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_RENAME))
logger.debug(" Restoring delete-on-close node, " + newState);
// Restore the deleted node so we can relink the new version to the old history/properties
NodeRef archivedNode = getNodeArchiveService().getArchivedNode((NodeRef) newState.getFilesystemObject());
// DEBUG
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_RENAME))
logger.debug(" Found archived node " + archivedNode);
if ( archivedNode != null )
{
// Restore the node
targetNodeRef = getNodeService().restoreNode( archivedNode, null, null, null);
// DEBUG
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_RENAME))
logger.debug(" Restored node " + targetNodeRef + ", version=" + nodeService.getProperty( targetNodeRef, ContentModel.PROP_VERSION_LABEL));
// Check if the deleted file had a linked node, due to a rename
NodeRef linkNode = (NodeRef) newState.findAttribute( AttrLinkNode);
if ( linkNode != null && nodeService.exists( linkNode)) {
// Clone aspects from the linked node onto the restored node
cloneNode( name, linkNode, targetNodeRef, ctx);
// DEBUG
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_RENAME)) {
logger.debug(" Moved aspects from linked node " + linkNode);
// Check if the node is a working copy
NodeRef mainNodeRef = checkOutCheckInService.getCheckedOut(targetNodeRef);
if ( mainNodeRef != null)
{
// Check if the main document is still locked
LockType lockTyp = lockService.getLockType( mainNodeRef);
logger.debug(" Main node ref lock type = " + lockTyp);
}
}
}
}
}
// Check if the node being renamed is versionable
else if ( isFromVersionable == true)
{
logger.debug("from node is versionable");
// Create a new node for the target
targetNodeRef = cifsHelper.createNode(ctx.getRootNode(), newName, nodeService.getType(nodeToMoveRef));
// DEBUG
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_RENAME))
logger.debug(" Created new node for " + newName + ", isFromVersionable=true");
// Copy aspects from the original file
cloneNode( name, nodeToMoveRef, targetNodeRef, ctx);
//Change state for tmp node to allow delete it without special permission
FileState stateForTmp = ctx.getStateCache().findFileState(newName);
stateForTmp.addAttribute(CanDeleteWithoutPerms, true);
stateForTmp.setExpiryTime(System.currentTimeMillis() + FileState.DeleteTimeout);
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_RENAME))
logger.debug(" Set CanDeleteWithoutPerms=true for " + stateForTmp);
}
}
// If the original or target nodes are not versionable and types are compatible then just use a standard rename of the node
if ( !renameShuffle ||
( !isFromVersionable &&
typesCompatible &&
( targetNodeRef == null || nodeService.hasAspect( targetNodeRef, ContentModel.ASPECT_VERSIONABLE) == false)))
{
logger.debug("do simple rename");
// Rename the file/folder
cifsHelper.rename(nodeToMoveRef, name);
postTxn.add(new Runnable()
{
public void run()
{
// Mark the new file as existing
newState.setFileStatus(FileExists);
newState.setFilesystemObject(nodeToMoveRef);
// Make sure the old file state is cached for a short while, the file may not be open so the
// file state could be expired
oldState.setExpiryTime(System.currentTimeMillis() + FileState.DeleteTimeout);
// Indicate that this is a renamed file state, set the node ref of the file that was renamed
oldState.setFileStatus(FileRenamed);
oldState.setFilesystemObject(nodeToMoveRef);
}
});
// DEBUG
if (logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_RENAME))
logger.debug(" Use standard rename for " + name + "(versionable=" + isFromVersionable + ", targetNodeRef=" + targetNodeRef + ")");
}
else
{
// Make sure we have a valid target node
if ( targetNodeRef == null) {
// DEBUG
if (logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_RENAME))
logger.debug(" No target node for rename");
// Throw an error
throw new AccessDeniedException("No target node for file rename");
}
// Copy content data from the old file to the new file
copyContentData(sess, tree, nodeToMoveRef, targetNodeRef, newName);
final NodeRef finalTargetNodeRef = targetNodeRef;
postTxn.add(new Runnable()
{
public void run()
{
// Mark the new file as existing
newState.setFileStatus(FileExists);
newState.setFilesystemObject(finalTargetNodeRef);
// Make sure the old file state is cached for a short while, the file may not be open so the
// file state could be expired
oldState.setExpiryTime(System.currentTimeMillis() + FileState.DeleteTimeout);
// Indicate that this is a deleted file state, set the node ref of the file that was renamed
oldState.setFileStatus( DeleteOnClose);
oldState.setFilesystemObject(nodeToMoveRef);
// Link to the new node, a new file may be renamed into place, we need to transfer aspect/locks
oldState.addAttribute( AttrLinkNode, finalTargetNodeRef);
// DEBUG
if ( logger.isDebugEnabled() && ctx.hasDebug( AlfrescoContext.DBG_RENAME))
logger.debug(" Cached delete state for " + oldName);
}
});
logger.debug("delete the old file");
// Delete the old file
if (renameShuffle && isFromVersionable && permissionService.hasPermission(nodeToMoveRef, PermissionService.EDITOR) == AccessStatus.ALLOWED)
{
AuthenticationUtil.runAs(new AuthenticationUtil.RunAsWork<Object>()
{
@Override
public Object doWork() throws Exception
{
if (logger.isDebugEnabled())
{
logger.debug("Rename shuffle for versioning content is assumed. Deleting " + nodeToMoveRef + " as system user");
}
nodeService.deleteNode(nodeToMoveRef);
return null;
}
}, AuthenticationUtil.getSystemUserName());
}
else
{
if (logger.isDebugEnabled())
{
logger.debug("Deleting " + nodeToMoveRef + " as user: " + AuthenticationUtil.getFullyAuthenticatedUser());
}
nodeService.deleteNode(nodeToMoveRef);
}
}
return postTxn;
}
});
logger.debug("running post txns");
// Run the required state-changing logic once the retrying transaction has completed successfully
for (Runnable runnable : postTxn)
{
runnable.run();
}
}
}
catch (org.alfresco.repo.security.permissions.AccessDeniedException ex)
{
// Debug
if (logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_RENAME))
logger.debug("Rename file - access denied, " + oldName);
// Convert to a filesystem access denied status
throw new AccessDeniedException("Rename file " + oldName);
}
catch (NodeLockedException ex)
{
// Debug
if (logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_RENAME))
logger.debug("Rename file", ex);
// Convert to an filesystem access denied exception
throw new AccessDeniedException("Node locked " + oldName);
}
catch (AlfrescoRuntimeException ex)
{
// Debug
if (logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_RENAME))
logger.debug("Rename file", ex);
// Convert to a general I/O exception
throw new AccessDeniedException("Rename file " + oldName);
}
}
/**
* Set file information
*
* @param sess SrvSession
* @param tree TreeConnection
* @param name String
* @param info FileInfo
* @exception IOException
*/
public void setFileInformation(SrvSession sess, final TreeConnection tree, final String name , final FileInfo info) throws IOException
{
// Get the device context
final ContentContext ctx = (ContentContext) tree.getContext();
try
{
// Check if pseudo files are enabled
if ( hasPseudoFileInterface(ctx) &&
getPseudoFileInterface(ctx).isPseudoFile( sess, tree, name))
{
// Allow the file information to be changed
return;
}
final FileState fstate = getStateForPath(tree, name);
doInWriteTransaction(sess, new CallableIO<Pair<Boolean, Boolean>>(){
public Pair<Boolean, Boolean> call() throws IOException
{
// Get the file/folder node
NodeRef nodeRef = getNodeForPath(tree, name);
// Check permissions on the file/folder node
if ( permissionService.hasPermission(nodeRef, PermissionService.WRITE) == AccessStatus.DENIED)
{
throw new AccessDeniedException("No write access to " + name);
}
// Inhibit versioning for this transaction
getPolicyFilter().disableBehaviour( ContentModel.ASPECT_VERSIONABLE);
// Check if the file is being marked for deletion, if so then check if the file is locked
if ( info.hasSetFlag(FileInfo.SetDeleteOnClose) && info.hasDeleteOnClose())
{
// Check deleting permissions on the node if action of deleting was configured only
if ((AccessStatus.DENIED == permissionService.hasPermission(nodeRef, PermissionService.DELETE))
&& ((null == fstate) || (null == fstate.findAttribute(CanDeleteWithoutPerms))))
{
throw new org.alfresco.repo.security.permissions.AccessDeniedException("No delete access to " + name);
}
// Check if the node is locked
if ( nodeService.hasAspect( nodeRef, ContentModel.ASPECT_LOCKABLE))
{
// Get the lock type, if any
String lockTypeStr = (String) nodeService.getProperty( nodeRef, ContentModel.PROP_LOCK_TYPE);
if ( lockTypeStr != null)
throw new org.alfresco.repo.security.permissions.AccessDeniedException("Node locked, cannot mark for delete");
}
// Get the node for the folder
if (fileFolderService.exists(nodeRef))
{
// Check if it is a folder that is being deleted, make sure it is empty
boolean isFolder = true;
if ( fstate != null)
isFolder = fstate.isDirectory();
else {
ContentFileInfo cInfo = cifsHelper.getFileInformation( nodeRef, isReadOnly, isLockedFilesAsOffline);
if ( cInfo != null && cInfo.isDirectory() == false)
isFolder = false;
}
// Check if the folder is empty
if ( isFolder == true && cifsHelper.isFolderEmpty( nodeRef) == false)
throw new DirectoryNotEmptyException( name);
}
// DEBUG
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_INFO))
logger.debug("Set deleteOnClose=true file=" + name);
}
// Set the creation and modified date/time
Map<QName, Serializable> auditableProps = new HashMap<QName, Serializable>(5);
if ( info.hasSetFlag(FileInfo.SetCreationDate))
{
// Set the creation date on the file/folder node
Date createDate = new Date( info.getCreationDateTime());
auditableProps.put(ContentModel.PROP_CREATED, createDate);
}
if ( info.hasSetFlag(FileInfo.SetModifyDate)) {
// Set the modification date on the file/folder node
Date modifyDate = new Date( info.getModifyDateTime());
auditableProps.put(ContentModel.PROP_MODIFIED, modifyDate);
}
// Did we have any cm:auditable properties?
if (auditableProps.size() > 0)
{
getPolicyFilter().disableBehaviour(nodeRef, ContentModel.ASPECT_AUDITABLE);
nodeService.addProperties(nodeRef, auditableProps);
// DEBUG
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_INFO))
logger.debug("Set auditable props: " + auditableProps + " file=" + name);
}
return null;
}});
// Check if the file is being marked for deletion, if so then check if the file is locked
// Update the change date/time
if (fstate != null)
{
if (info.hasSetFlag(FileInfo.SetDeleteOnClose) && info.hasDeleteOnClose()
|| info.hasSetFlag(FileInfo.SetCreationDate))
{
fstate.updateChangeDateTime();
}
// Set the modification date/time
if (info.hasSetFlag(FileInfo.SetModifyDate))
{
// Update the change date/time, clear the cached modification date/time
fstate.updateChangeDateTime();
Date modifyDate = new Date( info.getModifyDateTime());
fstate.updateModifyDateTime(modifyDate.getTime());
}
}
}
catch (org.alfresco.repo.security.permissions.AccessDeniedException ex)
{
// Debug
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_INFO))
logger.debug("Set file information - access denied, " + name, ex);
// Convert to a filesystem access denied status
throw new AccessDeniedException("Set file information " + name);
}
catch (AlfrescoRuntimeException ex)
{
// Debug
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_INFO))
logger.debug("Open file error", ex);
// Convert to a general I/O exception
throw new IOException("Set file information " + name);
}
}
/**
* Truncate a file to the specified size
*
* @param sess Server session
* @param tree Tree connection
* @param file Network file details
* @param size New file length
* @exception java.io.IOException The exception description.
*/
public void truncateFile(SrvSession sess, TreeConnection tree, NetworkFile file, long size) throws IOException
{
// Keep track of the allocation/release size in case the file resize fails
ContentContext ctx = (ContentContext) tree.getContext();
long allocSize = 0L;
long releaseSize = 0L;
// Check if there is a quota manager
QuotaManager quotaMgr = ctx.getQuotaManager();
if ( ctx.hasQuotaManager()) {
// Check if the file content has been opened, we need the content to be opened to get the
// current file size
if ( file instanceof ContentNetworkFile) {
ContentNetworkFile contentFile = (ContentNetworkFile) file;
if ( contentFile.hasContent() == false)
contentFile.openContent( false, false);
}
else
throw new IOException("Invalid file class type, " + file.getClass().getName());
// Determine if the new file size will release space or require space allocating
if ( size > file.getFileSize()) {
// Calculate the space to be allocated
allocSize = size - file.getFileSize();
// Allocate space to extend the file
quotaMgr.allocateSpace(sess, tree, file, allocSize);
}
else {
// Calculate the space to be released as the file is to be truncated, release the space if
// the file truncation is successful
releaseSize = file.getFileSize() - size;
}
}
// Check if this is a file extend, update the cached allocation size if necessary
if ( file instanceof ContentNetworkFile) {
// Get the cached state for the file
ContentNetworkFile contentFile = (ContentNetworkFile) file;
FileState fstate = contentFile.getFileState();
if ( fstate != null && size > fstate.getAllocationSize())
fstate.setAllocationSize( size);
}
// Set the file length
try {
file.truncateFile(size);
}
catch (IOException ex) {
// Check if we allocated space to the file
if ( allocSize > 0 && quotaMgr != null)
quotaMgr.releaseSpace(sess, tree, file.getFileId(), null, allocSize);
// Rethrow the exception
throw ex;
}
// Check if space has been released by the file resizing
if ( releaseSize > 0 && quotaMgr != null)
quotaMgr.releaseSpace(sess, tree, file.getFileId(), null, releaseSize);
// Debug
if (logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_FILEIO))
logger.debug("Truncated file: network file=" + file + " size=" + size);
}
/**
* Read a block of data from the specified file.
*
* @param sess Session details
* @param tree Tree connection
* @param file Network file
* @param buf Buffer to return data to
* @param bufPos Starting position in the return buffer
* @param siz Maximum size of data to return
* @param filePos File offset to read data
* @return Number of bytes read
* @exception java.io.IOException The exception description.
*/
public int readFile(
SrvSession sess, TreeConnection tree, NetworkFile file,
byte[] buffer, int bufferPosition, int size, long fileOffset) throws IOException
{
// Check if the file is a directory
if(file.isDirectory())
throw new AccessDeniedException();
// If the content channel is not open for the file then start a transaction
if ( file instanceof ContentNetworkFile)
{
ContentNetworkFile contentFile = (ContentNetworkFile) file;
if ( contentFile.hasContent() == false)
beginReadTransaction( sess);
}
// Read a block of data from the file
int count = file.readFile(buffer, size, bufferPosition, fileOffset);
if ( count == -1)
{
// Read count of -1 indicates a read past the end of file
count = 0;
}
// Debug
ContentContext ctx = (ContentContext) tree.getContext();
if (logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_FILEIO))
logger.debug("Read bytes from file: network file=" + file + " buffer size=" + buffer.length + " buffer pos=" + bufferPosition +
" size=" + size + " file offset=" + fileOffset + " bytes read=" + count);
return count;
}
/**
* Seek to the specified file position.
*
* @param sess Server session
* @param tree Tree connection
* @param file Network file.
* @param pos Position to seek to.
* @param typ Seek type.
* @return New file position, relative to the start of file.
*/
public long seekFile(SrvSession sess, TreeConnection tree, NetworkFile file, long pos, int typ) throws IOException
{
// Check if the file is a directory
if ( file.isDirectory())
throw new AccessDeniedException();
// If the content channel is not open for the file then start a transaction
ContentNetworkFile contentFile = (ContentNetworkFile) file;
if ( contentFile.hasContent() == false)
beginReadTransaction( sess);
// Set the file position
return file.seekFile(pos, typ);
}
/**
* Write a block of data to the file.
*
* @param sess Server session
* @param tree Tree connection
* @param file Network file details
* @param buf byte[] Data to be written
* @param bufoff Offset within the buffer that the data starts
* @param siz int Data length
* @param fileoff Position within the file that the data is to be written.
* @return Number of bytes actually written
* @exception java.io.IOException The exception description.
*/
public int writeFile(SrvSession sess, TreeConnection tree, NetworkFile file,
byte[] buffer, int bufferOffset, int size, long fileOffset) throws IOException
{
// If the content channel is not open for the file then start a transaction
if ( file instanceof ContentNetworkFile)
{
ContentNetworkFile contentFile = (ContentNetworkFile) file;
if ( contentFile.hasContent() == false)
beginReadTransaction( sess);
}
// Check if there is a quota manager
ContentContext ctx = (ContentContext) tree.getContext();
QuotaManager quotaMgr = ctx.getQuotaManager();
long curSize = file.getFileSize();
if ( quotaMgr != null) {
// Check if the file requires extending
long extendSize = 0L;
long endOfWrite = fileOffset + size;
if ( endOfWrite > curSize) {
// Calculate the amount the file must be extended
extendSize = endOfWrite - file.getFileSize();
// Allocate space for the file extend
quotaMgr.allocateSpace(sess, tree, file, extendSize);
}
}
// Write to the file
file.writeFile(buffer, size, bufferOffset, fileOffset);
// Check if the file size was reduced by the write, may have been extended previously
if ( quotaMgr != null) {
// Check if the file size reduced
if ( file.getFileSize() < curSize) {
// Release space that was freed by the write
quotaMgr.releaseSpace( sess, tree, file.getFileId(), file.getFullName(), curSize - file.getFileSize());
}
}
// Debug
if (logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_FILEIO))
logger.debug("Wrote bytes to file: network file=" + file + " buffer size=" + buffer.length + " size=" + size + " file offset=" + fileOffset);
return size;
}
/**
* Get the node for the specified path
*
* @param tree TreeConnection
* @param path String
* @return NodeRef
* @exception FileNotFoundException
*/
public NodeRef getNodeForPath(TreeConnection tree, String path)
throws FileNotFoundException
{
// Check if there is a cached state for the path
ContentContext ctx = (ContentContext) tree.getContext();
NodeRef result = null;
if ( ctx.hasStateCache())
{
// Try and get the node ref from an in memory file state
FileState fstate = ctx.getStateCache().findFileState(path);
if (null != (result = getNodeOrNull(path, ctx, fstate)))
{
return result;
}
}
// Search the repository for the node
return cifsHelper.getNodeRef(ctx.getRootNode(), path);
}
/**
* Determines current existence state of the file object from the cache.
* Updates state of the object in the cache according to existence state: increasing expiration time if
* object exists or removing object from the cache if it does not exist
*
* @param path - {@link String} value which contains relative path to the file object
* @param ctx - {@link ContentContext} instance of the current {@link TreeConnection}
* @param fstate - {@link FileState} instance which represents current state of the cached object
* @return {@link NodeRef} instance of existent file object or <code>null</code> if object is not exist
*/
private NodeRef getNodeOrNull(String path, ContentContext ctx, FileState fstate)
{
if ((null != fstate) && fstate.hasFilesystemObject() && fstate.exists())
{
// Check that the node exists
if (fileFolderService.exists((NodeRef) fstate.getFilesystemObject()))
{
// Bump the file states expiry time
fstate.setExpiryTime(System.currentTimeMillis() + FileState.DefTimeout);
// Return the cached noderef
return (NodeRef) fstate.getFilesystemObject();
}
else
{
ctx.getStateCache().removeFileState(path);
}
}
return null;
}
/**
* Convert a node into a share relative path
*/
public String getPathForNode( TreeConnection tree, NodeRef nodeRef)
throws FileNotFoundException
{
// Convert the target node to a path
ContentContext ctx = (ContentContext) tree.getContext();
List<org.alfresco.service.cmr.model.FileInfo> linkPaths = null;
try {
linkPaths = fileFolderService.getNamePath( ctx.getRootNode(), nodeRef);
}
catch ( org.alfresco.service.cmr.model.FileNotFoundException ex)
{
throw new FileNotFoundException();
}
// Build the share relative path to the node
StringBuilder pathStr = new StringBuilder();
for ( org.alfresco.service.cmr.model.FileInfo fInfo : linkPaths) {
pathStr.append( FileName.DOS_SEPERATOR);
pathStr.append( fInfo.getName());
}
// Return the share relative path
return pathStr.toString();
}
/**
* Get the file state for the specified path
*
* @param tree TreeConnection
* @param path String
* @return FileState
* @exception FileNotFoundException
*/
public FileState getStateForPath(TreeConnection tree, String path)
throws FileNotFoundException
{
// Check if there is a cached state for the path
ContentContext ctx = (ContentContext) tree.getContext();
FileState fstate = null;
if ( ctx.hasStateCache())
{
// Get the file state for a file/folder
fstate = ctx.getStateCache().findFileState(path);
}
// Return the file state
return fstate;
}
/**
* Connection opened to this disk device
*
* @param sess Server session
* @param tree Tree connection
*/
public void treeClosed(SrvSession sess, TreeConnection tree)
{
// Nothing to do
}
/**
* Connection closed to this device
*
* @param sess Server session
* @param tree Tree connection
*/
public void treeOpened(SrvSession sess, TreeConnection tree)
{
// Nothing to do
}
/**
* Return the lock manager used by this filesystem
*
* @param sess SrvSession
* @param tree TreeConnection
* @return LockManager
*/
public LockManager getLockManager(SrvSession sess, TreeConnection tree) {
return _lockManager;
}
/**
* Return the oplock manager implementation associated with this virtual filesystem
*
* @param sess SrvSession
* @param tree TreeConnection
* @return OpLockManager
*/
public OpLockManager getOpLockManager(SrvSession sess, TreeConnection tree) {
return _lockManager;
}
/**
* Enable/disable oplock support
*
* @param sess SrvSession
* @param tree TreeConnection
* @return boolean
*/
public boolean isOpLocksEnabled(SrvSession sess, TreeConnection tree) {
// Check if oplocks are enabled
ContentContext ctx = (ContentContext) tree.getContext();
return ctx.getDisableOplocks() ? false : true;
}
/**
* Copy content data from file to file
*
* @param sess SrvSession
* @param tree TreeConnection
* @param fromNode NodeRef
* @param toNode NodeRef
* @param newName String
*/
private void copyContentData( SrvSession sess, TreeConnection tree, NodeRef fromNode, NodeRef toNode, String newName)
{
ContentData content = (ContentData) nodeService.getProperty(fromNode, ContentModel.PROP_CONTENT);
if ( newName != null)
content = ContentData.setMimetype( content, mimetypeService.guessMimetype( newName));
nodeService.setProperty(toNode, ContentModel.PROP_CONTENT, content);
}
/**
* Clone/move aspects/properties between nodes
*
* @param newName new name of the file
* @param fromNode NodeRef the node to copy from
* @param toNode NodeRef the node to copy to
* @param ctx Filesystem Context
*/
private void cloneNodeAspects( String newName, NodeRef fromNode, NodeRef toNode, ContentContext ctx)
{
// We need to remove various aspects/properties from the original file, and move them to the new file
//
// Check for the lockable aspect
if ( nodeService.hasAspect( fromNode, ContentModel.ASPECT_LOCKABLE)) {
// Remove the lockable aspect from the old working copy, add it to the new file
nodeService.removeAspect( fromNode, ContentModel.ASPECT_LOCKABLE);
nodeService.addAspect( toNode, ContentModel.ASPECT_LOCKABLE, null);
// DEBUG
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_RENAME))
logger.debug(" Moved aspect " + ContentModel.ASPECT_LOCKABLE + " to new document");
}
// Check for the working copy aspect
if ( nodeService.hasAspect( fromNode, ContentModel.ASPECT_WORKING_COPY)) {
// Add the working copy aspect to the new file
Map<QName, Serializable> workingCopyProperties = new HashMap<QName, Serializable>(1);
workingCopyProperties.put(ContentModel.PROP_WORKING_COPY_OWNER, nodeService.getProperty( fromNode, ContentModel.PROP_WORKING_COPY_OWNER));
nodeService.addAspect( toNode, ContentModel.ASPECT_WORKING_COPY, workingCopyProperties);
// Remove the working copy aspect from old working copy file
nodeService.removeAspect( fromNode, ContentModel.ASPECT_WORKING_COPY);
// DEBUG
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_RENAME))
logger.debug(" Moved aspect " + ContentModel.ASPECT_WORKING_COPY + " to new document");
}
// Check for the copied from aspect
if ( nodeService.hasAspect( fromNode, ContentModel.ASPECT_COPIEDFROM)) {
// Add the copied from aspect to the new file
List<AssociationRef> assocs = nodeService.getSourceAssocs(fromNode, ContentModel.ASSOC_ORIGINAL);
if (assocs.size() > 0)
{
AssociationRef assoc = assocs.get(0);
NodeRef originalNodeRef = assoc.getTargetRef();
nodeService.createAssociation(toNode, originalNodeRef, ContentModel.ASSOC_ORIGINAL);
}
// Remove the copied from aspect from old working copy file
nodeService.removeAspect( fromNode, ContentModel.ASPECT_COPIEDFROM);
// DEBUG
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_RENAME))
logger.debug(" Moved aspect " + ContentModel.ASPECT_COPIEDFROM + " to new document");
// // Check if the original node is locked
//
// if ( lockService.getLockType( copiedFromNode) == null) {
//
// // Add the lock back onto the original file
//
// lockService.lock( copiedFromNode, LockType.READ_ONLY_LOCK);
//
// // DEBUG
//
// if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_RENAME))
// logger.debug(" Re-locked copied from node " + copiedFromNode);
// }
}
// Copy over all aspects from non-system namespaces (we will copy their properties later)
for (QName aspectName : nodeService.getAspects(fromNode))
{
if (!_excludedNamespaces.contains(aspectName.getNamespaceURI()))
{
nodeService.addAspect(toNode, aspectName, null);
}
}
// Copy over all other properties from non system namespaces
Map<QName, Serializable> fromProps = nodeService.getProperties(fromNode);
for ( Map.Entry<QName, Serializable> entry : fromProps.entrySet()) {
QName propName = entry.getKey();
if (!_excludedNamespaces.contains(propName.getNamespaceURI()))
{
nodeService.setProperty( toNode, propName, entry.getValue());
}
}
// Check if the new file name is a temporary file, remove any versionable aspect from it
String newNameNorm = newName.toLowerCase();
if ( newNameNorm.endsWith( ".tmp") || newNameNorm.endsWith( ".temp")) {
// Remove the versionable aspect
if ( nodeService.hasAspect( toNode, ContentModel.ASPECT_VERSIONABLE))
nodeService.removeAspect( toNode, ContentModel.ASPECT_VERSIONABLE);
// Add the temporary aspect, also prevents versioning
nodeService.addAspect( toNode, ContentModel.ASPECT_TEMPORARY, null);
// DEBUG
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_RENAME))
logger.debug(" Removed versionable aspect from temp file");
}
// Copy over various properties
for ( QName propName : _copyProperties) {
Serializable nodeProp = nodeService.getProperty( fromNode, propName);
if ( nodeProp != null)
nodeService.setProperty( toNode, propName, nodeProp);
}
}
/**
* Clone node
*
* @param newName the new name of the node
* @param fromNode the node to copy from
* @param toNode the node to copy to
* @param ctx
*/
private void cloneNode(String newName, NodeRef fromNode, NodeRef toNode, ContentContext ctx)
{
if(logger.isDebugEnabled())
{
logger.debug("clone node from fromNode:" + fromNode + "toNode:" + toNode);
}
cloneNodeAspects(newName, fromNode, toNode, ctx);
// copy over the node creator and owner properties
// need to disable the auditable aspect first to prevent default audit behaviour
policyBehaviourFilter.disableBehaviour(ContentModel.ASPECT_AUDITABLE);
try
{
nodeService.setProperty(toNode, ContentModel.PROP_CREATOR, nodeService.getProperty(fromNode, ContentModel.PROP_CREATOR));
ownableService.setOwner(toNode, ownableService.getOwner(fromNode));
}
finally
{
policyBehaviourFilter.enableBehaviour(ContentModel.ASPECT_AUDITABLE);
}
Set<AccessPermission> permissions = permissionService.getAllSetPermissions(fromNode);
boolean inheritParentPermissions = permissionService.getInheritParentPermissions(fromNode);
permissionService.deletePermissions(fromNode);
permissionService.setInheritParentPermissions(toNode, inheritParentPermissions);
for(AccessPermission permission : permissions)
{
permissionService.setPermission(toNode, permission.getAuthority(), permission.getPermission(), (permission.getAccessStatus() == AccessStatus.ALLOWED));
}
// Need to take a new guess at the mimetype based upon the new file name.
ContentData content = (ContentData)nodeService.getProperty(toNode, ContentModel.PROP_CONTENT);
// Take a guess at the mimetype (if it has not been set by something already)
if (content != null && (content.getMimetype() == null || content.getMimetype().equals(MimetypeMap.MIMETYPE_BINARY)))
{
String mimetype = mimetypeService.guessMimetype(newName);
if(logger.isDebugEnabled())
{
logger.debug("set new mimetype to:" + mimetype);
}
ContentData replacement = ContentData.setMimetype(content, mimetype);
nodeService.setProperty(toNode, ContentModel.PROP_CONTENT, replacement);
}
// Extract metadata pending change for ALF-5082
Action action = getActionService().createAction(ContentMetadataExtracter.EXECUTOR_NAME);
if(action != null)
{
getActionService().executeAction(action, toNode);
}
}
/**
* Return the file state status as a string
*
* @param sts int
* @return String
*/
private final String fileStatusString( int sts) {
String fstatus = "Unknown";
switch ( sts) {
case FileUnknown:
fstatus = "Unknown";
break;
case FileNotExist:
fstatus = "NotExist";
break;
case FileExists:
fstatus = "FileExists";
break;
case DirectoryExists:
fstatus = "DirectoryExists";
break;
case FileRenamed:
fstatus = "FileRenamed";
break;
case DeleteOnClose:
fstatus = "DeleteOnClose";
break;
}
return fstatus;
}
private boolean isRenameShuffle(String oldFilename, String newFilename, Pattern renameShufflePattern)
{
boolean renameShuffle = false;
String oldNameLower = oldFilename.toLowerCase();
String newNameLower = newFilename.toLowerCase();
renameShuffle = renameShuffle || renameShufflePattern.matcher(oldNameLower).matches();
renameShuffle = renameShuffle || renameShufflePattern.matcher(newNameLower).matches();
return renameShuffle;
}
/**
* Get the disk information for this shared disk device.
*
* @param ctx DiskDeviceContext
* @param diskDev SrvDiskInfo
* @exception IOException
*/
public void getDiskInformation(DiskDeviceContext ctx, SrvDiskInfo diskDev)
throws IOException {
// Set the block size and blocks per allocation unit
diskDev.setBlockSize( DiskBlockSize);
diskDev.setBlocksPerAllocationUnit( DiskBlocksPerUnit);
// Get the free and total disk size in bytes from the content store
long freeSpace = contentService.getStoreFreeSpace();
long totalSpace= contentService.getStoreTotalSpace();
if ( totalSpace == -1L) {
// Use a fixed value for the total space, content store does not support size information
totalSpace = DiskSizeDefault;
freeSpace = DiskFreeDefault;
}
// Convert the total/free space values to allocation units
diskDev.setTotalUnits( totalSpace / DiskAllocationUnit);
diskDev.setFreeUnits( freeSpace / DiskAllocationUnit);
}
public void setActionService(ActionService actionService)
{
this.actionService = actionService;
}
public ActionService getActionService()
{
return actionService;
}
}