inteligr8/alfresco-community-repo
1
0
Fork 0
mirror of https://github.com/Alfresco/alfresco-community-repo.git synced 2025-06-30 18:15:39 +00:00
Code Issues Packages Projects Releases Wiki Activity
alfresco-community-repo/source/java/org/alfresco/filesys/repo/ContentDiskDriver.java

3553 lines
134 KiB
Java
Raw Blame History

/*
* 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.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.transaction.UserTransaction;
import org.alfresco.error.AlfrescoRuntimeException;
import org.alfresco.filesys.alfresco.AlfrescoContext;
import org.alfresco.filesys.alfresco.AlfrescoDiskDriver;
import org.alfresco.filesys.alfresco.AlfrescoNetworkFile;
import org.alfresco.filesys.state.FileState;
import org.alfresco.filesys.state.FileStateLockManager;
import org.alfresco.filesys.state.FileState.FileStateStatus;
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.DiskFullException;
import org.alfresco.jlan.server.filesys.DiskInterface;
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.TreeConnection;
import org.alfresco.jlan.server.filesys.db.DBFileInfo;
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.WildCard;
import org.alfresco.model.ContentModel;
import org.alfresco.repo.admin.SysAdminParams;
import org.alfresco.repo.node.archive.NodeArchiveService;
import org.alfresco.repo.security.authentication.AuthenticationContext;
import org.alfresco.repo.security.authentication.AuthenticationUtil;
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.ContentIOException;
import org.alfresco.service.cmr.repository.ContentReader;
import org.alfresco.service.cmr.repository.ContentService;
import org.alfresco.service.cmr.repository.ContentWriter;
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.search.SearchService;
import org.alfresco.service.cmr.security.AccessStatus;
import org.alfresco.service.cmr.security.AuthenticationService;
import org.alfresco.service.cmr.security.PermissionService;
import org.alfresco.service.namespace.NamespaceService;
import org.alfresco.service.namespace.QName;
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 Derek Hulley
*/
public class ContentDiskDriver extends AlfrescoDiskDriver implements DiskInterface, FileLockingInterface, OpLockInterface
{
// 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";
// Services and helpers
private CifsHelper cifsHelper;
private NamespaceService namespaceService;
private NodeService nodeService;
private SearchService searchService;
private ContentService contentService;
private MimetypeService mimetypeService;
private PermissionService permissionService;
private FileFolderService fileFolderService;
private NodeArchiveService nodeArchiveService;
private LockService lockService;
private AuthenticationContext authContext;
private AuthenticationService authService;
private SysAdminParams sysAdminParams;
// Node monitor factory
private NodeMonitorFactory m_nodeMonitorFactory;
// Lock manager
private static FileStateLockManager _lockManager = new FileStateLockManager();
/**
* Class constructor
*
* @param serviceRegistry to connect to the repository services
*/
public ContentDiskDriver(CifsHelper cifsHelper)
{
this.cifsHelper = cifsHelper;
}
/**
* 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 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;
}
/**
* @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 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;
}
/**
* 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.
*
* @param shareName String
* @param args ConfigElement
* @return DeviceContext
* @exception DeviceContextException
*/
public DeviceContext createContext(String shareName, 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(shareName);
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);
}
}
catch (Exception ex)
{
logger.error("Error during create context", 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
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.
*
* @param ctx the context
* @exception DeviceContextException
*/
@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
tx.commit();
tx = null;
// Record the root node ref
context.setRootNodeRef(rootNodeRef);
}
catch (Exception ex)
{
logger.error("Error during create context", ex);
}
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
cifsHelper.setMarkLockedFilesAsOffline( true);
// Logging
logger.info("Locked files will be marked as offline");
}
// Enable file state caching
context.enableStateTable( true, getStateReaper());
// Initialize the I/O control handler
if ( context.hasIOHandler())
context.getIOHandler().initialize( this, context);
// Install the node service monitor
if ( !context.getDisableNodeMonitor() && m_nodeMonitorFactory != null) {
// Create the node monitor
NodeMonitor nodeMonitor = m_nodeMonitorFactory.createNodeMonitor( this, context);
context.setNodeMonitor( nodeMonitor);
}
// Check if oplocks are enabled
if ( context.getDisableOplocks() == false) {
// Enable oplock support
_lockManager.setStateTable( context.getStateTable());
}
else
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
{
if (cifsHelper.isReadOnly())
{
return true;
}
else
{
return false;
}
}
/**
* 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
{
// 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.getStateTable().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);
}
// Create the file state
fstate = ctx.getStateTable().findFileState( paths[0], true, true);
fstate.setFileStatus( FileStatus.DirectoryExists);
fstate.setNodeRef( 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.hasNodeRef() == false)
{
// Get the node for the folder path
fstate.setNodeRef( 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 (cifsHelper.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);
// 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);
// 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
finfo.setFileId( path.hashCode());
// Copy cached timestamps, if available
FileState fstate = getStateForPath(tree, infoPath);
if ( fstate != null) {
if ( fstate.hasAccessDateTime())
finfo.setAccessDateTime(fstate.getAccessDateTime());
if ( fstate.hasChangeDateTime())
finfo.setChangeDateTime(fstate.getChangeDateTime());
if ( fstate.hasModifyDateTime())
finfo.setModifyDateTime(fstate.getModifyDateTime());
}
else {
// Create a file state for the file/folder
fstate = ctx.getStateTable().findFileState( path, finfo.isDirectory(), true);
fstate.setNodeRef( 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
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.hasStateTable())
{
// 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.getStateTable().findFileState( paths[0], true, true);
}
// Make sure the associated node is set
if ( searchFolderState.hasNodeRef() == false)
{
// Set the associated node for the folder
searchFolderState.setNodeRef( 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.getStateTable());
searchCtx = cacheContext;
// Set the '.' and '..' pseudo file entry details
if ( searchFolderState != null && searchFolderState.hasNodeRef())
{
// Get the '.' pseudo entry file details
FileInfo finfo = cifsHelper.getFileInformation( searchFolderState.getNodeRef());
// 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
cacheContext.setDotDotInfo( finfo);
}
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.getStateTable().findFileState( parentPath);
NodeRef parentNode = null;
if ( parentState != null)
parentNode = parentState.getNodeRef();
if ( parentState == null || parentNode == null)
parentNode = getNodeForPath( tree, parentPath);
// Get the file information for the parent folder
finfo = cifsHelper.getFileInformation( parentNode);
// 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.
*
* @param sess Server session
* @param tree Tree connection
* @param name java.lang.String
* @return int
* @see FileStatus
*/
public int fileExists(SrvSession sess, TreeConnection tree, String name)
{
ContentContext ctx = (ContentContext) tree.getContext();
int status = FileStatus.Unknown;
try
{
// Check for a cached file state
FileState fstate = null;
if ( ctx.hasStateTable())
ctx.getStateTable().findFileState(name);
if ( fstate != null)
{
FileStateStatus fsts = fstate.getFileStatus();
if ( fsts == FileStateStatus.FileExists)
status = FileStatus.FileExists;
else if ( fsts == FileStateStatus.FolderExists)
status = FileStatus.DirectoryExists;
else if ( fsts == FileStateStatus.NotExist || fsts == FileStateStatus.Renamed)
status = FileStatus.NotExist;
// 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.getStateTable().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.getStateTable().findFileState( paths[0], true, true);
fstate.setFileStatus( FileStatus.DirectoryExists);
// Get the node for the folder path
beginReadTransaction( sess);
fstate.setNodeRef( 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.hasNodeRef() == false)
{
// Create the transaction
beginReadTransaction( sess);
// Get the node for the folder path
fstate.setNodeRef( 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);
if (info.isDirectory())
{
status = FileStatus.DirectoryExists;
}
else
{
status = FileStatus.FileExists;
}
}
}
}
catch (FileNotFoundException e)
{
status = FileStatus.NotExist;
}
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=" + FileStatus.asString(status));
// 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.getStateTable().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.getStateTable().findFileState( paths[0], true, true);
fstate.setFileStatus( FileStatus.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.hasStateTable())
{
// Check if there is a file state for the file
fstate = ctx.getStateTable().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.getStateTable().findFileState( params.getPath(), false, 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
// Check if the caller wants write access, check if the sharing mode allows write
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() > 1) {
// 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());
}
}
}
// Update the file table index
idx++;
}
}
// Create the network file, if we could not match an existing file open
if ( netFile == null)
netFile = ContentNetworkFile.createFile(nodeService, contentService, mimetypeService, cifsHelper, nodeRef, params);
}
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);
// 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)
netFile.setFileId( params.getPath().hashCode());
// 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.hasStateTable())
{
if ( fstate == null)
fstate = ctx.getStateTable().findFileState(params.getPath(), params.isDirectory(), true);
// Update the file state, cache the node
fstate.incrementOpenCount();
fstate.setNodeRef(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.
*
* @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, TreeConnection tree, FileOpenParams params) throws IOException
{
// Create the transaction
beginWriteTransaction( sess);
ContentContext ctx = (ContentContext) tree.getContext();
try
{
// Get the device root
NodeRef deviceRootNodeRef = ctx.getRootNode();
String path = params.getPath();
FileState parentState = 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.hasStateTable())
{
// 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]);
}
// Get the file state for the parent folder
parentState = getStateForPath(tree, paths[0]);
if ( parentState == null && ctx.hasStateTable())
parentState = ctx.getStateTable().findFileState( paths[0], true, true);
}
}
// Create it - the path will be created, if necessary
NodeRef nodeRef = cifsHelper.createNode(deviceRootNodeRef, path, true);
nodeService.addAspect(nodeRef, ContentModel.ASPECT_NO_CONTENT, null);
// Create the network file
ContentNetworkFile netFile = ContentNetworkFile.createFile(nodeService, contentService, mimetypeService, cifsHelper, nodeRef, params);
// 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)
netFile.setFileId( params.getPath().hashCode());
// Add a file state for the new file/folder
if ( ctx.hasStateTable())
{
FileState fstate = ctx.getStateTable().findFileState(params.getPath(), false, 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(FileStateStatus.FileExists);
fstate.incrementOpenCount();
fstate.setNodeRef(nodeRef);
// 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=" + path + " file open parameters=" + params + " node=" + nodeRef + " 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());
}
}
/**
* Create a new directory on this file system.
*
* @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, TreeConnection tree, FileOpenParams params) throws IOException
{
// Create the transaction
beginWriteTransaction( sess);
ContentContext ctx = (ContentContext) tree.getContext();
try
{
// get the device root
NodeRef deviceRootNodeRef = ctx.getRootNode();
String path = params.getPath();
FileState parentState = 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.hasStateTable())
{
// 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]);
}
// Get the file state for the parent folder
parentState = getStateForPath(tree, paths[0]);
if ( parentState == null && ctx.hasStateTable())
parentState = ctx.getStateTable().findFileState( paths[0], true, true);
}
}
// Create it - the path will be created, if necessary
NodeRef nodeRef = cifsHelper.createNode(deviceRootNodeRef, path, false);
// Add a file state for the new folder
if ( ctx.hasStateTable())
{
FileState fstate = ctx.getStateTable().findFileState( params.getPath(), true, true);
if ( fstate != null)
{
// Indicate that the file is open
fstate.setFileStatus(FileStateStatus.FolderExists);
fstate.setNodeRef(nodeRef);
// 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=" + path + " file open params=" + params + " node=" + nodeRef);
}
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());
}
}
/**
* 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, String dir) throws IOException
{
// Create the transaction
beginWriteTransaction( sess);
// get the device root
ContentContext ctx = (ContentContext) tree.getContext();
NodeRef deviceRootNodeRef = ctx.getRootNode();
try
{
// 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) == true) {
// Delete the folder node
fileFolderService.delete(nodeRef);
// Remove the file state
if ( ctx.hasStateTable())
{
// Remove the file state
ctx.getStateTable().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.hasStateTable())
parentState = ctx.getStateTable().findFileState( paths[0], true, true);
// Update the modification timestamp
parentState.updateModifyDateTime();
}
}
}
else
throw new DirectoryNotEmptyException( dir);
}
// 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, NetworkFile file) throws IOException
{
// Create the transaction
beginWriteTransaction( sess);
// Get the associated file state
ContentContext ctx = (ContentContext) tree.getContext();
if ( file instanceof ContentNetworkFile) {
// 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;
}
}
if ( ctx.hasStateTable())
{
FileState fstate = ctx.getStateTable().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.hasNodeRef()) {
// Update the modification date on the file/folder node
Date modifyDate = new Date( fstate.getModifyDateTime());
nodeService.setProperty( fstate.getNodeRef(), ContentModel.PROP_MODIFIED, modifyDate);
// Debug
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_FILE))
logger.debug("Updated modifcation timestamp, " + file.getFullName() + ", modTime=" + modifyDate);
}
}
}
// 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();
}
}
// Defer to the network file to close the stream and remove the content
file.closeFile();
// Remove the node if marked for delete
if (file.hasDeleteOnClose())
{
// Check if the file is a noderef based file
if ( file instanceof NodeRefNetworkFile)
{
NodeRefNetworkFile nodeNetFile = (NodeRefNetworkFile) file;
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
fileFolderService.delete(nodeRef);
// 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);
}
catch ( Exception ex)
{
if ( logger.isWarnEnabled() && ctx.hasDebug(AlfrescoContext.DBG_FILE))
logger.warn("Error during delete on close, " + file.getFullName(), ex);
}
// Set the file state to indicate a delete on close
if ( ctx.hasStateTable())
{
if ( isVersionable == true) {
// Get, or create, the file state
FileState fState = ctx.getStateTable().findFileState(file.getFullName(), false, true);
// Indicate that the file was deleted via a delete on close request
fState.setFileStatus(FileStateStatus.DeleteOnClose);
// Make sure the file state is cached for a short while, save the noderef details
fState.setExpiryTime(System.currentTimeMillis() + FileState.RenameTimeout);
fState.setNodeRef(nodeRef);
}
else {
// Remove the file state
ctx.getStateTable().removeFileState( file.getFullName());
}
}
}
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());
}
}
}
else if ( file instanceof PseudoNetworkFile ||
file instanceof MemoryNetworkFile)
{
// Delete the pseudo file
if ( 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());
}
/**
* 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(SrvSession sess, TreeConnection tree, String name) throws IOException
{
// Create the transaction
beginWriteTransaction( sess);
// Get the device context
ContentContext ctx = (ContentContext) tree.getContext();
try
{
// Check if there is a quota manager enabled, if so then we need to save the current file size
QuotaManager quotaMgr = ctx.getQuotaManager();
FileInfo fInfo = null;
if ( quotaMgr != null) {
// Get the size of the file being deleted
fInfo = getFileInformation( sess, tree, name);
}
// Get the node
NodeRef nodeRef = getNodeForPath(tree, name);
if (fileFolderService.exists(nodeRef))
{
// Check if the node is versionable
boolean isVersionable = nodeService.hasAspect( nodeRef, ContentModel.ASPECT_VERSIONABLE);
fileFolderService.delete(nodeRef);
// Remove the file state
if ( ctx.hasStateTable())
{
// 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.getStateTable().findFileState( name, false, true);
delState.setExpiryTime(System.currentTimeMillis() + FileState.DeleteTimeout);
delState.setFileStatus(FileStateStatus.DeleteOnClose);
delState.setNodeRef( nodeRef);
}
else {
// Remove the file state
ctx.getStateTable().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.hasStateTable())
parentState = ctx.getStateTable().findFileState( paths[0], true, 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());
}
// Debug
if (logger.isDebugEnabled() && (ctx.hasDebug(AlfrescoContext.DBG_FILE) || ctx.hasDebug(AlfrescoContext.DBG_RENAME)))
logger.debug("Deleted file: " + name + ", node=" + nodeRef);
}
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 (AlfrescoRuntimeException ex)
{
// Debug
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_FILE))
logger.debug("Delete file error", ex);
// Convert to a general I/O exception
throw new IOException("Delete file " + name);
}
}
/**
* 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(SrvSession sess, TreeConnection tree, String oldName, String newName) throws IOException
{
// Create the transaction
beginWriteTransaction( sess);
// Get the device context
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
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);
NodeRef targetFolderRef = getNodeForPath(tree, splitPaths[0]);
String name = splitPaths[1];
// Check if this is a rename within the same folder
String[] oldPaths = FileName.splitPath( oldName);
boolean sameFolder = false;
if ( splitPaths[0].equalsIgnoreCase( oldPaths[0]))
sameFolder = true;
// Get the file state for the old file, if available
FileState oldState = ctx.getStateTable().findFileState( oldName);
// 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) {
// Update the old file state
if ( oldState != null)
{
// Update the file state index to use the new name
ctx.getStateTable().renameFileState(newName, oldState);
}
// Rename or move the file/folder
if ( sameFolder == true)
cifsHelper.rename(nodeToMoveRef, name);
else
cifsHelper.move(nodeToMoveRef, targetFolderRef, name);
// 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
int newExists = fileExists( sess, tree, newName);
FileState newState = ctx.getStateTable().findFileState( newName, false, true);
NodeRef targetNodeRef = null;
boolean isFromVersionable = nodeService.hasAspect( nodeToMoveRef, ContentModel.ASPECT_VERSIONABLE);
if ( newExists == FileStatus.FileExists) {
// Use the existing file as the target node
targetNodeRef = getNodeForPath( tree, newName);
}
else {
// Check if the target has a renamed or delete-on-close state
if ( newState.getFileStatus() == FileStateStatus.Renamed) {
// DEBUG
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_RENAME))
logger.debug(" Using renamed node, " + newState);
// Use the renamed node to clone aspects/state
cloneNodeAspects( name, newState.getNodeRef(), nodeToMoveRef, ctx);
}
else if ( newState.getFileStatus() == FileStateStatus.DeleteOnClose) {
// 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( newState.getNodeRef());
// DEBUG
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_RENAME))
logger.debug(" Found archived node " + archivedNode);
if ( archivedNode != null && getNodeService().exists( archivedNode))
{
// Restore the node
targetNodeRef = getNodeService().restoreNode( archivedNode, null, null, null);
// DEBUG
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_RENAME))
logger.debug(" Restored node " + targetNodeRef);
// Check if the deleted file had a linked node, due to a rename
if ( newState.hasLinkNode() && nodeService.exists( newState.getLinkNode())) {
// Clone aspects from the linked node onto the restored node
cloneNodeAspects( name, newState.getLinkNode(), targetNodeRef, ctx);
// DEBUG
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_RENAME)) {
logger.debug(" Moved aspects from linked node " + newState.getLinkNode());
// Check if the node is a working copy
if ( nodeService.hasAspect( targetNodeRef, ContentModel.ASPECT_WORKING_COPY)) {
// Check if the main document is still locked
NodeRef mainNodeRef = (NodeRef) nodeService.getProperty( targetNodeRef, ContentModel.PROP_COPY_REFERENCE);
if ( mainNodeRef != null) {
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) {
// Create a new node for the target
targetNodeRef = cifsHelper.createNode(ctx.getRootNode(), newName, true);
// DEBUG
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_RENAME))
logger.debug(" Created new node for " + newName);
// Copy aspects from the original file
cloneNodeAspects( name, nodeToMoveRef, targetNodeRef, ctx);
}
}
// If the original or target nodes are not versionable then just use a standard rename of the node
if ( isFromVersionable == false &&
( targetNodeRef == null || nodeService.hasAspect( targetNodeRef, ContentModel.ASPECT_VERSIONABLE) == false)) {
// Rename the file/folder
cifsHelper.rename(nodeToMoveRef, name);
// Mark the new file as existing
newState.setFileStatus( FileStatus.FileExists);
newState.setNodeRef( 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(FileStateStatus.Renamed);
oldState.setNodeRef(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);
// Mark the new file as existing
newState.setFileStatus( FileStatus.FileExists);
newState.setNodeRef( targetNodeRef);
// Delete the old file
nodeService.deleteNode( 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 deleted file state, set the node ref of the file that was renamed
oldState.setFileStatus(FileStateStatus.DeleteOnClose);
oldState.setNodeRef(nodeToMoveRef);
// Link to the new node, a new file may be renamed into place, we need to transfer aspect/locks
oldState.setLinkNode( targetNodeRef);
// DEBUG
if ( logger.isDebugEnabled() && ctx.hasDebug( AlfrescoContext.DBG_RENAME))
logger.debug(" Cached delete state for " + oldName);
}
}
}
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, TreeConnection tree, String name, FileInfo info) throws IOException
{
// Get the device context
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;
}
// Get the file/folder node
NodeRef nodeRef = getNodeForPath(tree, name);
FileState fstate = getStateForPath(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);
if ( permissionService.hasPermission(nodeRef, PermissionService.DELETE) == AccessStatus.DENIED)
throw new AccessDeniedException("No delete access to " + name);
// 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())
{
// Start a transaction
beginReadTransaction( sess);
// 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 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);
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);
}
// Update the change date/time
if ( fstate != null)
fstate.updateChangeDateTime();
// DEBUG
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_INFO))
logger.debug("Set deleteOnClose=true file=" + name);
}
// Set the creation date/time
if ( info.hasSetFlag(FileInfo.SetCreationDate)) {
// Create the transaction
beginWriteTransaction( sess);
// Set the creation date on the file/folder node
Date createDate = new Date( info.getCreationDateTime());
nodeService.setProperty( nodeRef, ContentModel.PROP_CREATED, createDate);
// Update the change date/time
if ( fstate != null)
fstate.updateChangeDateTime();
// DEBUG
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_INFO))
logger.debug("Set creationDate=" + createDate + " file=" + name);
}
// Set the modification date/time
if ( info.hasSetFlag(FileInfo.SetModifyDate)) {
// Create the transaction
beginWriteTransaction( sess);
// Set the modification date on the file/folder node
Date modifyDate = new Date( info.getModifyDateTime());
nodeService.setProperty( nodeRef, ContentModel.PROP_MODIFIED, modifyDate);
// Update the change date/time, clear the cached modification date/time
if ( fstate != null) {
fstate.updateChangeDateTime();
fstate.updateModifyDateTime( 0L);
}
// DEBUG
if ( logger.isDebugEnabled() && ctx.hasDebug(AlfrescoContext.DBG_INFO))
logger.debug("Set modifyDate=" + modifyDate + " file=" + name);
}
}
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);
// 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;
}
}
// 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();
if ( ctx.hasStateTable())
{
// Try and get the node ref from an in memory file state
FileState fstate = ctx.getStateTable().findFileState(path);
if ( fstate != null && fstate.hasNodeRef() && fstate.exists() )
{
// Check that the node exists
if (fileFolderService.exists(fstate.getNodeRef()))
{
// Bump the file states expiry time
fstate.setExpiryTime(System.currentTimeMillis() + FileState.DefTimeout);
// Return the cached noderef
return fstate.getNodeRef();
}
else
{
ctx.getStateTable().removeFileState(path);
}
}
}
// Search the repository for the node
return cifsHelper.getNodeRef(ctx.getRootNode(), path);
}
/**
* Convert a node into a share relative path
*
* @param tree TreeConnection
* @param nodeRef NodeRef
* @return String
* @exception FileNotFoundException
*/
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.hasStateTable())
{
// Get the file state for a file/folder
fstate = ctx.getStateTable().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
* @exception IOException
*/
private void copyContentData( SrvSession sess, TreeConnection tree, NodeRef fromNode, NodeRef toNode)
throws IOException {
try {
// Open the input and output files
ContentReader fromReader = contentService.getReader( fromNode, ContentModel.PROP_CONTENT);
ContentWriter toWriter = contentService.getWriter( toNode, ContentModel.PROP_CONTENT, true);
// Copy the content
toWriter.putContent( fromReader);
}
catch ( Exception ex) {
throw new IOException("Failed to copy content");
}
}
/**
* Clone/move aspects/properties between nodes
*
* @param newName String
* @param fromNode NodeRef
* @param toNode NodeRef
* @param ctx ContentContext
*/
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
NodeRef copiedFromNode = (NodeRef) nodeService.getProperty( fromNode, ContentModel.PROP_COPY_REFERENCE);
Map<QName, Serializable> copiedFromProperties = new HashMap<QName, Serializable>(1);
copiedFromProperties.put(ContentModel.PROP_COPY_REFERENCE, copiedFromNode);
nodeService.addAspect( toNode, ContentModel.ASPECT_COPIEDFROM, copiedFromProperties);
// 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);
}
}
// 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");
}
}
}
Reference in New Issue View Git Blame Copy Permalink