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alfresco-community-repo/source/java/org/alfresco/filesys/repo/ContentDiskDriver2.java
Mark Rogers e74e27c982 ALF-11828 CIFS: NPE possible after connection failure 
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@32472 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
2011-12-02 13:46:53 +00:00

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/*
* 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.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.io.Serializable;
import java.net.InetAddress;
import java.nio.charset.Charset;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.alfresco.error.AlfrescoRuntimeException;
import org.alfresco.filesys.alfresco.AlfrescoContext;
import org.alfresco.filesys.alfresco.AlfrescoDiskDriver;
import org.alfresco.filesys.alfresco.ExtendedDiskInterface;
import org.alfresco.filesys.alfresco.PseudoFileOverlayImpl;
import org.alfresco.filesys.alfresco.RepositoryDiskInterface;
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.FileStatus;
import org.alfresco.jlan.server.filesys.IOControlNotImplementedException;
import org.alfresco.jlan.server.filesys.IOCtlInterface;
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.pseudo.PseudoFile;
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.SMBException;
import org.alfresco.jlan.smb.SMBStatus;
import org.alfresco.jlan.smb.server.SMBServer;
import org.alfresco.jlan.util.DataBuffer;
import org.alfresco.jlan.util.MemorySize;
import org.alfresco.model.ContentModel;
import org.alfresco.repo.content.MimetypeMap;
import org.alfresco.repo.content.encoding.ContentCharsetFinder;
import org.alfresco.repo.content.filestore.FileContentReader;
import org.alfresco.repo.policy.BehaviourFilter;
import org.alfresco.repo.security.authentication.AuthenticationContext;
import org.alfresco.repo.security.authentication.AuthenticationUtil;
import org.alfresco.repo.security.authentication.AuthenticationUtil.RunAsWork;
import org.alfresco.service.cmr.coci.CheckOutCheckInService;
import org.alfresco.service.cmr.lock.LockService;
import org.alfresco.service.cmr.lock.NodeLockedException;
import org.alfresco.service.cmr.model.FileFolderService;
import org.alfresco.service.cmr.repository.ContentData;
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.repository.datatype.DefaultTypeConverter;
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.alfresco.util.PropertyCheck;
import org.alfresco.util.TempFileProvider;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.extensions.config.ConfigElement;
/**
* Alfresco Content repository filesystem driver class
* <p>
* Provides a JLAN ContentDiskDriver for various JLAN protocols
* such as SMB/CIFS, NFS and FTP.
*
*/
public class ContentDiskDriver2 extends AlfrescoDiskDriver implements ExtendedDiskInterface,
DiskInterface,
DiskSizeInterface,
IOCtlInterface,
RepositoryDiskInterface,
OpLockInterface,
FileLockingInterface
{
// Logging
private static final Log logger = LogFactory.getLog(ContentDiskDriver2.class);
private static final Log readLogger = LogFactory.getLog("org.alfresco.filesys.repo.ContentDiskDriver2.Read");
private static final Log writeLogger = LogFactory.getLog("org.alfresco.filesys.repo.ContentDiskDriver2.Write");
// 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 LockService lockService;
private CheckOutCheckInService checkOutCheckInService;
private AuthenticationContext authContext;
private AuthenticationService authService;
private BehaviourFilter policyBehaviourFilter;
private NodeMonitorFactory m_nodeMonitorFactory;
private ContentComparator contentComparator;
private boolean isLockedFilesAsOffline;
/**
*
*/
public void init()
{
PropertyCheck.mandatory(this, "checkOutCheckInService", checkOutCheckInService);
PropertyCheck.mandatory(this, "cifsHelper", cifsHelper);
PropertyCheck.mandatory(this, "namespaceService", namespaceService);
PropertyCheck.mandatory(this, "nodeService", nodeService);
PropertyCheck.mandatory(this, "searchService", searchService);
PropertyCheck.mandatory(this, "contentService", contentService);
PropertyCheck.mandatory(this, "mimetypeService", mimetypeService);
PropertyCheck.mandatory(this, "permissionService", permissionService);
PropertyCheck.mandatory(this, "fileFolderService", fileFolderService);
PropertyCheck.mandatory(this, "lockService",lockService);
PropertyCheck.mandatory(this, "authContext", authContext);
PropertyCheck.mandatory(this, "authService", authService);
PropertyCheck.mandatory(this, "policyBehaviourFilter", policyBehaviourFilter);
PropertyCheck.mandatory(this, "m_nodeMonitorFactory", m_nodeMonitorFactory);
PropertyCheck.mandatory(this, "ioControlHandler", ioControlHandler);
PropertyCheck.mandatory(this, "contentComparator", getContentComparator());
}
/**
* 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 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;
}
/**
* @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;
}
/**
* 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 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;
}
// 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";
/**
* 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>
* @deprecated - no longer used. Construction of context is via spring now.
* @param deviceName The name of the device
* @param cfg ConfigElement the configuration of the device context.
* @return DeviceContext
* @exception DeviceContextException
*/
public DeviceContext createContext(String deviceName, ConfigElement cfg) throws DeviceContextException
{
throw new DeviceContextException("Obsolete Method called");
}
/*
* Register context implementation
* <p>
* Results in various obscure bits and pieces being initialised, most importantly the
* calculation of the root node ref.
* <p>
* There's a load of initialisation that needs to be moved out of this method, like the
* instantiation of the lock manager, quota manager and node monitor.
*/
public void registerContext(DeviceContext ctx) throws DeviceContextException
{
logger.debug("registerContext");
super.registerContext(ctx);
final ContentContext context = (ContentContext)ctx;
final String rootPath = context.getRootPath();
final String storeValue = context.getStoreName();
/**
* Work using the repo needs to run as system.
*/
RunAsWork<Void> runAsSystem = new RunAsWork<Void>()
{
@Override
public Void doWork() throws Exception
{
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);
// 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 the root node ref
rootNodeRef = nodeRefs.get(0);
}
// Check if a relative path has been specified
String relPath = context.getRelativePath();
try
{
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");
}
}
}
catch (Exception ex)
{
if(logger.isDebugEnabled())
{
logger.debug("Error during create context", ex);
}
throw new DeviceContextException("Unable to find root node.", ex);
}
// Record the root node ref
if(logger.isDebugEnabled())
{
logger.debug("set root node ref:" + rootNodeRef);
}
context.setRootNodeRef(rootNodeRef);
return null;
}
};
/**
* Run the above code as system - in particular resolves root node ref.
*/
AuthenticationUtil.runAs(runAsSystem, AuthenticationUtil.getSystemUserName());
/*
* Now we have some odds and ends below that should really be configured elsewhere
*/
// Check if locked files should be marked as offline
if ( context.getOfflineFiles() )
{
// Enable marking locked files as offline
isLockedFilesAsOffline = true;
logger.info("Locked files will be marked as offline");
}
// Enable file state caching
// context.enableStateCache(serverConfig, true);
// context.getStateCache().setCaseSensitive( false);
logger.debug("initialise the node monitor");
// Install the node service monitor
if ( !context.getDisableNodeMonitor() && m_nodeMonitorFactory != null)
{
NodeMonitor nodeMonitor = m_nodeMonitorFactory.createNodeMonitor(context);
context.setNodeMonitor( nodeMonitor);
}
logger.debug("initialise the file state lock manager");
// Check if oplocks are enabled
if ( context.getDisableOplocks() == true)
{
logger.warn("Oplock support disabled for filesystem " + context.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);
}
}
// TODO mode to spring
PseudoFileOverlayImpl ps = new PseudoFileOverlayImpl();
ps.setContext(context);
ps.setNodeService(nodeService);
ps.setSysAdminParams(context.getSysAdminParams());
context.setPseudoFileOverlay(ps);
ps.init();
}
/**
* 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(logger.isDebugEnabled())
{
logger.debug("isReadOnly");
}
return !m_transactionService.getAllowWrite();
}
/**
* 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 + ", session:" + session.getUniqueId());
}
ContentContext ctx = (ContentContext) tree.getContext();
if ( path == null || path.length() == 0)
{
path = FileName.DOS_SEPERATOR_STR;
}
String infoPath = path;
try
{
FileInfo finfo = null;
// Is the node a pseudo file ?
if(session.isPseudoFilesEnabled() && ctx.isPseudoFilesEnabled())
{
String[] paths = FileName.splitPath(path);
// lookup parent directory
NodeRef dirNodeRef = getNodeForPath(tree, paths[0]);
// Check whether we are opening a pseudo file
if(ctx.getPseudoFileOverlay().isPseudoFile(dirNodeRef, paths[1]))
{
PseudoFile pfile = ctx.getPseudoFileOverlay().getPseudoFile(dirNodeRef, paths[1]);
FileInfo pseudoFileInfo = pfile.getFileInfo();
if(logger.isDebugEnabled())
{
logger.debug("returning psuedo file details:" + pseudoFileInfo);
}
return pseudoFileInfo;
}
}
// no - this is not a specially named pseudo file.
NodeRef nodeRef = getNodeForPath(tree, infoPath);
if ( nodeRef != null)
{
// Get the file information for the node
finfo = getCifsHelper().getFileInformation(nodeRef, false, isLockedFilesAsOffline);
/**
* Special processing for root node
*/
if(path.equals(FileName.DOS_SEPERATOR_STR))
{
finfo.setFileName("");
}
// DEBUG
if ( logger.isDebugEnabled())
{
logger.debug("getFileInformation found nodeRef for nodeRef :"+ nodeRef + ", path: " + path);
}
// Moved to CIFS Helper
// // Set the file id from the node's DBID
// long id = DefaultTypeConverter.INSTANCE.convert(Long.class, nodeService.getProperty(nodeRef, ContentModel.PROP_NODE_DBID));
// finfo.setFileId((int) (id & 0xFFFFFFFFL));
}
// Return the file information or null if the node ref does not exist
return finfo;
}
catch (FileNotFoundException e)
{
// Debug
if (logger.isDebugEnabled())
{
// exception not logged - cifs does lots of these
logger.debug("Get file info - file not found, " + path);
}
throw e;
}
catch (org.alfresco.repo.security.permissions.AccessDeniedException ex)
{
// Debug
if ( logger.isDebugEnabled())
{
logger.debug("Get file info - access denied, " + path, ex);
}
// Convert to a filesystem access denied status
throw new AccessDeniedException("Get file information " + path);
}
catch (AlfrescoRuntimeException ex)
{
if ( logger.isDebugEnabled())
{
logger.debug("Get file info error" + path, ex);
}
// Convert to a general I/O exception
throw new IOException("Get file information " + path, ex);
}
}
/**
* 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 session, TreeConnection tree, String searchPath, int attributes) throws FileNotFoundException
{
if(logger.isDebugEnabled())
{
logger.debug("startSearch: "+ searchPath + ", session:" + session.getUniqueId());
}
// Access the device context
ContentContext ctx = (ContentContext) tree.getContext();
try
{
String searchFileSpec = searchPath;
NodeRef searchRootNodeRef = ctx.getRootNode();
String[] paths = FileName.splitPath(searchPath);
String dotPath = paths[0];
// lookup parent directory
NodeRef dirNodeRef = getNodeForPath(tree, dotPath);
if(dirNodeRef != null)
{
searchRootNodeRef = dirNodeRef;
searchFileSpec = paths[1];
}
// Convert the all files wildcard
if ( searchFileSpec.equals( "*.*"))
{
searchFileSpec = "*";
}
// Debug
long startTime = 0L;
if ( logger.isDebugEnabled())
{
startTime = System.currentTimeMillis();
}
// Perform the search
logger.debug("Call repo to do search");
List<NodeRef> results = getCifsHelper().getNodeRefs(searchRootNodeRef, searchFileSpec);
// Debug
if ( logger.isDebugEnabled())
{
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());
}
}
/**
* Search pseudo files if they are enabled
*/
PseudoFileList pseudoList = null;
if(session.isPseudoFilesEnabled() && ctx.isPseudoFilesEnabled())
{
logger.debug("search pseudo files");
pseudoList = ctx.getPseudoFileOverlay().searchPseudoFiles(dirNodeRef, searchFileSpec);
}
DotDotContentSearchContext searchCtx = new DotDotContentSearchContext(getCifsHelper(), results, searchFileSpec, pseudoList, paths[0]);
FileInfo dotInfo = getCifsHelper().getFileInformation(searchRootNodeRef, false, isLockedFilesAsOffline);
if ( searchPath.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(dotInfo);
searchCtx.setDotInfo(dotInfo);
searchCtx.setDotDotInfo( dotDotInfo);
}
else
{
String[] parent = FileName.splitPath(dotPath);
NodeRef parentNodeRef = getNodeForPath(tree, parent[0]);
if(parentNodeRef != null)
{
FileInfo dotDotInfo = getCifsHelper().getFileInformation(parentNodeRef, false, isLockedFilesAsOffline);
searchCtx.setDotDotInfo(dotDotInfo);
}
// Searching a normal, non root, folder
// Need to set dot and dotdot
searchCtx.setDotInfo(dotInfo);
}
// Debug
if (logger.isDebugEnabled())
{
logger.debug("Started search: search path=" + searchPath + " attributes=" + attributes + ", ctx=" + searchCtx);
}
// TODO --
// Need to resolve the file info here so it's within the transaction boundary.
return searchCtx;
}
catch (org.alfresco.repo.security.permissions.AccessDeniedException ex)
{
// Debug
if ( logger.isDebugEnabled())
{
logger.debug("Start search - access denied, " + searchPath);
}
// Convert to a file not found status
throw new FileNotFoundException("Start search " + searchPath);
}
catch (AlfrescoRuntimeException ex)
{
// This is an error even though we "handle" it here.
if ( logger.isErrorEnabled())
{
logger.error("Exception in 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 the path of the file
* @return FileStatus (0: NotExist, 1 : FileExist, 2: DirectoryExists)
* @see FileStatus
*/
public int fileExists(SrvSession session, TreeConnection tree, String name)
{
if(logger.isDebugEnabled())
{
logger.debug("fileExists:" + name + ", session:" + session.getUniqueId());
}
ContentContext ctx = (ContentContext) tree.getContext();
int status = FileStatus.Unknown;
try
{
if(session.isPseudoFilesEnabled() && ctx.isPseudoFilesEnabled())
{
String[] paths = FileName.splitPath(name);
// lookup parent directory
NodeRef dirNodeRef = getNodeForPath(tree, paths[0]);
// Check whether we are opening a pseudo file
if(ctx.getPseudoFileOverlay().isPseudoFile(dirNodeRef, paths[1]))
{
return FileStatus.FileExists;
}
}
// Get the file information to check if the file/folder exists
FileInfo info = getFileInformation(session, tree, name);
if (info.isDirectory())
{
if(logger.isDebugEnabled())
{
logger.debug("is directory");
}
status = FileStatus.DirectoryExists;
}
else
{
if(logger.isDebugEnabled())
{
logger.debug("is file");
}
status = FileStatus.FileExists;
}
if (logger.isDebugEnabled())
{
logger.debug("File status determined: name=" + name + " status=" + status);
}
return status;
}
catch (FileNotFoundException e)
{
if(logger.isDebugEnabled())
{
logger.debug("file does not exist");
}
status = FileStatus.NotExist;
return status;
}
catch (IOException e)
{
// Debug
if ( logger.isDebugEnabled())
{
logger.debug("File exists error, " + name, e);
}
status = FileStatus.NotExist;
return status;
}
}
/**
* Open a file or folder
*
* @param sess SrvSession
* @param tree TreeConnection
* @param params FileOpenParams
* @return NetworkFile
* @exception IOException
*/
public NetworkFile openFile(SrvSession session, TreeConnection tree, FileOpenParams params) throws IOException
{
ContentContext ctx = (ContentContext) tree.getContext();
if(logger.isDebugEnabled())
{
logger.debug("openFile :" + params + ", session:" + session.getUniqueId() + ", params:" + params);
}
try
{
String name = params.getPath();
if(session.isPseudoFilesEnabled() && ctx.isPseudoFilesEnabled())
{
String[] paths = FileName.splitPath(name);
// lookup parent directory
NodeRef dirNodeRef = getNodeForPath(tree, paths[0]);
// Check whether we are opening a pseudo file
if(ctx.getPseudoFileOverlay().isPseudoFile(dirNodeRef, paths[1]))
{
PseudoFile pfile = ctx.getPseudoFileOverlay().getPseudoFile(dirNodeRef, paths[1]);
if(logger.isDebugEnabled())
{
logger.debug("Opened pseudo file :" + pfile);
}
return pfile.getFile( params.getPath());
}
}
// not a psudo file
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)
{
if(logger.isDebugEnabled())
{
logger.debug("about to throw an no read access denied exception path:" +params.getFullPath());
}
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)
{
if(logger.isDebugEnabled())
{
logger.debug("about to throw an no write access denied exception path:" +params.getFullPath());
}
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());
// will throw a NodeLockedException is locked by somebody else
if ( params.hasAccessMode(AccessMode.NTWrite))
{
lockService.checkForLock(nodeRef);
}
// Check if the node is a link node
NodeRef linkRef = (NodeRef) nodeService.getProperty(nodeRef, ContentModel.PROP_LINK_DESTINATION);
NetworkFile netFile = null;
if ( linkRef == null)
{
// A normal node, not a link node
// TODO MER REWRITE HERE
FileInfo fileInfo = cifsHelper.getFileInformation(nodeRef, "", false, false);
// TODO this is wasteful - the isDirectory is in the params. We should split off an openDirectory method.
if(fileInfo.isDirectory())
{
logger.debug("open file - is a directory!");
netFile = new AlfrescoFolder(params.getFullPath(), fileInfo, params.isReadOnlyAccess());
}
else
{
// A normal file
if(params.isReadOnlyAccess())
{
logger.debug("open file for read only");
netFile = ContentNetworkFile.createFile(nodeService, contentService, mimetypeService, getCifsHelper(), nodeRef, params, session);
}
else if(params.isReadWriteAccess())
{
logger.debug("open file for read write");
File file = TempFileProvider.createTempFile("cifs", ".bin");
if(! params.isOverwrite())
{
// Need to open a temp file with a copy of the content.
ContentReader reader = contentService.getReader(nodeRef, ContentModel.PROP_CONTENT);
if(reader != null)
{
reader.getContent(file);
}
}
netFile = new TempNetworkFile(file, name);
// 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 (logger.isDebugEnabled())
{
logger.debug("Created file: path=" + name + " node=" + nodeRef + " network file=" + netFile);
}
}
else
{
// Write only or AttributesOnly
logger.debug("open file write or attributes only");
File file = TempFileProvider.createTempFile("cifs", ".bin");
netFile = new TempNetworkFile(file, name);
// 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 (logger.isDebugEnabled())
{
logger.debug("Created temporary file: path=" + name + " node=" + nodeRef + " network file=" + netFile);
}
}
if ( params.isReadOnlyAccess())
{
netFile.setGrantedAccess( NetworkFile.READONLY);
}
else if ( params.isWriteOnlyAccess())
{
// Needs to be READWRITE for JavaNetworkFile - there's no such thing as WRITEONLY!
netFile.setGrantedAccess( NetworkFile.READWRITE);
}
else
{
netFile.setGrantedAccess( NetworkFile.READWRITE);
}
} // end of a normal file
}
else
{
// This is a link node
// Get the CIFS server name
String srvName = null;
SMBServer cifsServer = (SMBServer) session.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 = getCifsHelper().getFileInformation( nodeRef, false, 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
if(logger.isDebugEnabled())
{
logger.debug("truncate file");
}
netFile.truncateFile( 0L);
}
// Debug
if (logger.isDebugEnabled())
{
logger.debug("Opened network file: path=" + params.getPath() + " file open parameters=" + params + " network file=" + netFile);
}
// Return the network file
return netFile;
}
catch (NodeLockedException nle)
{
if ( logger.isDebugEnabled())
{
logger.debug("Open file - node is locked, " + params.getFullPath());
}
throw new AccessDeniedException("File is locked, no write access to " + params.getFullPath());
}
catch (org.alfresco.repo.security.permissions.AccessDeniedException ex)
{
// Debug
if ( logger.isDebugEnabled())
{
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())
{
logger.debug("Open file error", ex);
}
// Convert to a general I/O exception
throw new IOException("Open file " + params.getFullPath(), ex);
}
}
/**
* 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, final TreeConnection tree, final FileOpenParams params) throws IOException
{
// Obsolete
return null;
}
/**
* 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, final TreeConnection tree, final FileOpenParams params) throws IOException
{
final ContentContext ctx = (ContentContext) tree.getContext();
if (logger.isDebugEnabled())
{
logger.debug("createDirectory :" + params);
}
try
{
NodeRef dirNodeRef;
String folderName;
String path = params.getPath();
String[] paths = FileName.splitPath(path);
if (paths[0] != null && paths[0].length() > 1)
{
// lookup parent directory
dirNodeRef = getNodeForPath(tree, paths[0]);
folderName = paths[1];
}
else
{
dirNodeRef = ctx.getRootNode();
folderName = path;
}
if(dirNodeRef == null)
{
throw new IOException("Create directory parent folder not found" + params.getFullPath());
}
NodeRef nodeRef = getCifsHelper().createNode(dirNodeRef, folderName, ContentModel.TYPE_FOLDER);
if (logger.isDebugEnabled())
{
logger.debug("Created directory: path=" + params.getPath() + " file open params=" + params + " node=" + nodeRef);
}
// void return
}
catch (org.alfresco.repo.security.permissions.AccessDeniedException ex)
{
// Debug
if ( logger.isDebugEnabled())
{
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())
{
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.
* <p>
* The directory must be empty in order to be able to delete ity
*
* @param sess Server session
* @param tree Tree connection
* @param dir Directory name.
* @exception java.io.IOException The exception description.
*/
public void deleteDirectory(SrvSession session, TreeConnection tree, final String dir) throws IOException
{
// get the device root
if (logger.isDebugEnabled())
{
logger.debug("deleteDirectory: " + dir + ", session:" + session.getUniqueId());
}
ContentContext ctx = (ContentContext) tree.getContext();
final NodeRef deviceRootNodeRef = ctx.getRootNode();
try
{
// Get the node for the folder
NodeRef nodeRef = getCifsHelper().getNodeRef(deviceRootNodeRef, dir);
if (fileFolderService.exists(nodeRef))
{
// Check if the folder is empty
if ( getCifsHelper().isFolderEmpty( nodeRef))
{
// Delete the folder node
fileFolderService.delete(nodeRef);
}
else
{
throw new DirectoryNotEmptyException( dir);
}
}
// Debug
if (logger.isDebugEnabled())
{
logger.debug("Deleted directory: directory=" + dir + " node=" + nodeRef);
}
// void return
}
catch (FileNotFoundException e)
{
// Debug
if (logger.isDebugEnabled())
{
logger.debug("Delete directory - file not found, " + dir);
}
}
catch (org.alfresco.repo.security.permissions.AccessDeniedException ex)
{
// Debug
if ( logger.isDebugEnabled())
{
logger.debug("Delete directory - access denied, " + dir);
}
// Convert to a filesystem access denied status
throw new AccessDeniedException("Delete directory, access denied :" + 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, ex);
}
}
/**
* 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 session, TreeConnection tree, NetworkFile file) throws IOException
{
// Debug
ContentContext ctx = (ContentContext) tree.getContext();
if ( logger.isDebugEnabled())
{
logger.debug("Flush file=" + file.getFullName()+ ", session:" + session.getUniqueId());
}
// 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 session, TreeConnection tree, final NetworkFile file) throws IOException
{
// if ( logger.isDebugEnabled())
// {
// logger.debug("Close file=" + file.getFullName() + ", session:" + session.getUniqueId());
// }
// // Get the associated file state
//
// final ContentContext ctx = (ContentContext) tree.getContext();
//
// if( file instanceof PseudoNetworkFile)
// {
// file.close();
// return;
// }
//
// /**
// * Delete on close attribute - node needs to be deleted.
// */
// if(file.hasDeleteOnClose())
// {
// if(logger.isDebugEnabled())
// {
// logger.debug("closeFile has delete on close set");
// }
//
// NodeRef target = getCifsHelper().getNodeRef(ctx.getRootNode(), file.getFullName());
// if(target!=null)
// {
// nodeService.deleteNode(target);
// }
//
// //TODO Needs to be post-commit
// if(file instanceof TempNetworkFile)
// {
// TempNetworkFile tnf = (TempNetworkFile)file;
// final QuotaManager quotaMgr = ctx.getQuotaManager();
// if (quotaMgr != null)
// {
// quotaMgr.releaseSpace(session, tree, file.getFileId(), file.getName(), tnf.getFileSizeInt());
// }
// }
//
// // Still need to close the open file handle.
// file.close();
//
// if (logger.isDebugEnabled())
// {
// logger.debug("Closed file: network file=" + file + " delete on close=" + file.hasDeleteOnClose());
// }
//
//
// return;
// }
//
// // Check for a temp file - which will be a new file or a read/write file
// if ( file instanceof TempNetworkFile)
// {
// if(logger.isDebugEnabled())
// {
// logger.debug("Got a temp network file ");
// }
//
// TempNetworkFile tempFile =(TempNetworkFile)file;
//
// tempFile.flushFile();
// tempFile.close();
//
// // Take an initial guess at the mimetype (if it has not been set by something already)
// String mimetype = mimetypeService.guessMimetype(tempFile.getFullName(), new FileContentReader(tempFile.getFile()));
// logger.debug("guesssed mimetype:" + mimetype);
//
// String encoding;
// // Take a guess at the locale
// InputStream is = new BufferedInputStream(new FileInputStream(tempFile.getFile()));
// try
// {
// ContentCharsetFinder charsetFinder = mimetypeService.getContentCharsetFinder();
// Charset charset = charsetFinder.getCharset(is, mimetype);
// encoding = charset.name();
// }
// finally
// {
// if(is != null)
// {
// is.close();
// }
// }
//
// NodeRef target = getCifsHelper().getNodeRef(ctx.getRootNode(), tempFile.getFullName());
// ContentWriter writer = contentService.getWriter(target, ContentModel.PROP_CONTENT, true);
// writer.setMimetype(mimetype);
// writer.setEncoding(encoding);
// writer.putContent(tempFile.getFile());
//
// long size = writer.getSize();
// if(nodeService.hasAspect(target, ContentModel.ASPECT_NO_CONTENT) && size > 0)
// {
// if(logger.isDebugEnabled())
// {
// logger.debug("removed no content aspect");
// }
// nodeService.removeAspect(target, ContentModel.ASPECT_NO_CONTENT);
// }
// }
//
// try
// {
// // Defer to the network file to close the stream and remove the content
//
// file.close();
//
// // DEBUG
//
// if (logger.isDebugEnabled())
// {
// 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)
// {
// if ( logger.isDebugEnabled())
// {
// logger.debug("Exception in closeFile - ", e);
// }
// throw e;
// }
// catch (Error e)
// {
// if ( logger.isDebugEnabled())
// {
// logger.debug("Exception in closeFile - ", e);
// }
//
// 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 session, final TreeConnection tree, final String name) throws IOException
{
// Get the device context
final ContentContext ctx = (ContentContext) tree.getContext();
if(logger.isDebugEnabled())
{
logger.debug("deleteFile:" + name + ", session:" + session.getUniqueId());
}
try
{
if(session.isPseudoFilesEnabled() && ctx.isPseudoFilesEnabled())
{
String[] paths = FileName.splitPath(name);
// lookup parent directory
NodeRef dirNodeRef = getNodeForPath(tree, paths[0]);
// Check whether we are opening a pseudo file
if(ctx.getPseudoFileOverlay().isPseudoFile(dirNodeRef, paths[1]))
{
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();
// Get the node and delete it
final NodeRef nodeRef = getNodeForPath(tree, name);
if (fileFolderService.exists(nodeRef))
{
// Get the size of the file being deleted
final FileInfo fInfo = quotaMgr == null ? null : getFileInformation(session, tree, name);
if(logger.isDebugEnabled())
{
logger.debug("deleted file" + name);
}
fileFolderService.delete(nodeRef);
//TODO Needs to be post-commit
if (quotaMgr != null)
{
quotaMgr.releaseSpace(session, tree, fInfo.getFileId(), name, fInfo.getSize());
}
// Debug
if (logger.isDebugEnabled())
{
logger.debug("Deleted file: " + name + ", nodeRef=" + nodeRef);
}
// void return
return;
}
}
catch (NodeLockedException ex)
{
if ( logger.isDebugEnabled())
{
logger.debug("Delete file - access denied (locked)", ex);
}
// Convert to a filesystem access denied status
throw new AccessDeniedException("Unable to delete " + name);
}
catch (org.alfresco.repo.security.permissions.AccessDeniedException ex)
{
// Debug
if ( logger.isDebugEnabled())
{
logger.debug("Delete file - access denied", ex);
}
// Convert to a filesystem access denied status
throw new AccessDeniedException("Unable to delete " + name);
}
catch (IOException ex)
{
// Allow I/O Exceptions to pass through
throw ex;
}
catch (Exception ex)
{
// Debug
if ( logger.isDebugEnabled())
{
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 session, final TreeConnection tree, final String oldName, final String newName)
throws IOException
{
// Get the device context
final ContentContext ctx = (ContentContext) tree.getContext();
// DEBUG
if (logger.isDebugEnabled())
{
logger.debug("RenameFile oldName=" + oldName + ", newName=" + newName + ", session:" + session.getUniqueId());
}
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]);
// Check if we are renaming a folder, or the rename is to a different folder
boolean isFolder = getCifsHelper().isDirectory(nodeToMoveRef);
if ( isFolder == true || sameFolder == false) {
// Rename or move the file/folder to another folder
if (sameFolder == true)
{
getCifsHelper().rename(nodeToMoveRef, name);
}
else
{
getCifsHelper().move(nodeToMoveRef, sourceFolderRef, targetFolderRef, name);
}
if (logger.isDebugEnabled())
{
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(session, tree, newName);
if (logger.isDebugEnabled())
{
logger.debug(
"Rename file within same folder: \n" +
" Old name: " + oldName + "\n" +
" New name: " + newName + "\n" +
" Source folder: " + sourceFolderRef + "\n" +
" Target folder: " + targetFolderRef + "\n" +
" Node: " + nodeToMoveRef + "\n" +
" Aspects: " + nodeService.getAspects(nodeToMoveRef));
}
getCifsHelper().rename(nodeToMoveRef, name);
}
}
catch (org.alfresco.repo.security.permissions.AccessDeniedException ex)
{
if (logger.isDebugEnabled())
{
logger.debug("Rename file - access denied, " + oldName);
}
// Convert to a filesystem access denied status
throw new AccessDeniedException("Rename file " + oldName);
}
catch (NodeLockedException ex)
{
if (logger.isDebugEnabled())
{
logger.debug("Rename file", ex);
}
// Convert to an filesystem access denied exception
throw new AccessDeniedException("Node locked " + oldName);
}
catch (AlfrescoRuntimeException ex)
{
if (logger.isDebugEnabled())
{
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();
if (logger.isDebugEnabled())
{
logger.debug("setFileInformation name=" + name + ", info=" + info);
}
NetworkFile networkFile = info.getNetworkFile();
try
{
if(sess.isPseudoFilesEnabled() && ctx.isPseudoFilesEnabled())
{
String[] paths = FileName.splitPath(name);
// lookup parent directory
NodeRef dirNodeRef = getNodeForPath(tree, paths[0]);
// Check whether we are opening a pseudo file
if(ctx.getPseudoFileOverlay().isPseudoFile(dirNodeRef, paths[1]))
{
if(logger.isDebugEnabled())
{
logger.debug("pseudo file so do nothing");
}
return;
}
}
// 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)
{
if(logger.isDebugEnabled())
{
logger.debug("write access denied to :" + name);
}
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())
{
if(logger.isDebugEnabled())
{
logger.debug("Set Delete On Close for :" + name);
}
// Check for delete permission
if ( permissionService.hasPermission(nodeRef, PermissionService.DELETE) == AccessStatus.DENIED)
{
throw new AccessDeniedException("No delete access to :" + name);
}
// Check if the node is locked
lockService.checkForLock(nodeRef);
// 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;
ContentFileInfo cInfo = getCifsHelper().getFileInformation(nodeRef, false, isLockedFilesAsOffline);
if ( cInfo != null && cInfo.isDirectory() == false)
{
isFolder = false;
}
// Check if the folder is empty
if ( isFolder == true && getCifsHelper().isFolderEmpty( nodeRef) == false)
{
throw new DirectoryNotEmptyException( name);
}
}
}
if(info.isHidden())
{
if ( logger.isDebugEnabled())
{
logger.debug("Set hidden attribute" + name);
}
// Not yet implemented
}
if( info.hasSetFlag(FileInfo.SetAllocationSize))
{
if ( logger.isDebugEnabled())
{
logger.debug("Set allocation size" + name + info.getAllocationSize());
}
// Not yet implemented
}
// Set the creation and modified date/time
Map<QName, Serializable> auditableProps = new HashMap<QName, Serializable>(5);
// Which DeleteOnClose flag has priority?
// SetDeleteOnClose is not set or used in this method.
// The NTProtocolHandler sets the deleteOnClose in both
// info and the NetworkFile - it's the one in NetworkFile that works.
if ( info.hasSetFlag(FileInfo.SetCreationDate) && info.hasCreationDateTime())
{
// Set the creation date on the file/folder node
Date createDate = new Date(info.getCreationDateTime());
auditableProps.put(ContentModel.PROP_CREATED, createDate);
if ( logger.isDebugEnabled())
{
logger.debug("Set creation date" + name + ", " + createDate);
}
}
if ( info.hasSetFlag(FileInfo.SetModifyDate) && info.hasModifyDateTime())
{
// Set the modification date on the file/folder node
Date modifyDate = new Date( info.getModifyDateTime());
auditableProps.put(ContentModel.PROP_MODIFIED, modifyDate);
// Set the network file so we don't reverse this change in close file.
if(networkFile != null && !networkFile.isReadOnly())
{
networkFile.setModifyDate(info.getModifyDateTime());
}
if ( logger.isDebugEnabled())
{
logger.debug("Set modification date" + name + ", " + 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())
{
logger.debug("Set auditable props: " + auditableProps + " file=" + name);
}
}
return;
}
catch (org.alfresco.repo.security.permissions.AccessDeniedException ex)
{
if ( logger.isDebugEnabled())
{
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)
{
if ( logger.isDebugEnabled())
{
logger.debug("Open file error", ex);
}
// Convert to a general I/O exception
throw new IOException("Set file information " + name, ex);
}
}
/**
* 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();
if (logger.isDebugEnabled())
{
logger.debug("truncateFile file:" + file + ", size: "+ size);
}
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 if( file instanceof TempNetworkFile)
{
}
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);
}
}
if( file instanceof TempNetworkFile)
{
TempNetworkFile contentFile = (TempNetworkFile) 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)
{
if(logger.isDebugEnabled())
{
logger.debug("unable to truncate the file + :" + file.getFullName(), 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())
{
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(readLogger.isDebugEnabled())
{
readLogger.debug("read File:" + file + ", size" + size);
}
if(file.isDirectory())
{
if(logger.isDebugEnabled())
{
logger.debug("read file called for a directory - throw AccessDeniedException");
}
throw new AccessDeniedException("read called for a directory");
}
// 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 (readLogger.isDebugEnabled())
{
readLogger.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
{
if(logger.isDebugEnabled())
{
logger.debug("seek File");
}
// Check if the file is a directory
if ( file.isDirectory())
{
throw new AccessDeniedException();
}
// 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(writeLogger.isDebugEnabled())
{
writeLogger.debug("write File:" + file + " size:" + size);
}
// 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
if(logger.isDebugEnabled())
{
logger.debug("writeFile: allocate more space fileName:" + file.getName());
}
long alloc = quotaMgr.allocateSpace(sess, tree, file, extendSize);
if(file instanceof TempNetworkFile)
{
TempNetworkFile tnf = (TempNetworkFile)file;
FileState fstate = tnf.getFileState();
if(fstate != null)
{
fstate.setAllocationSize(alloc);
}
}
}
}
// 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 (writeLogger.isDebugEnabled())
{
writeLogger.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
*/
private NodeRef getNodeForPath(TreeConnection tree, String path)
throws FileNotFoundException
{
ContentContext ctx = (ContentContext) tree.getContext();
return getCifsHelper().getNodeRef(ctx.getRootNode(), path);
}
/**
* Get the node for the specified path
*
* @param tree TreeConnection
* @param path String
* @return NodeRef
* @exception FileNotFoundException
*/
public NodeRef getNodeForPath(NodeRef rootNode, String path)
throws FileNotFoundException
{
if(logger.isDebugEnabled())
{
logger.debug("getNodeRefForPath:" + path);
}
return getCifsHelper().getNodeRef(rootNode, path);
}
/**
* Convert a node into a share relative path
*
* @param tree TreeConnection
* @param nodeRef NodeRef
* @return String
* @exception FileNotFoundException
*/
private String getPathForNode( TreeConnection tree, NodeRef nodeRef)
throws FileNotFoundException
{
if(logger.isDebugEnabled())
{
logger.debug("getPathForNode:" + nodeRef);
}
// 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();
}
/**
* Return the lock manager used by this filesystem
*
* @param sess SrvSession
* @param tree TreeConnection
* @return LockManager
*/
public LockManager getLockManager(SrvSession sess, TreeConnection tree)
{
AlfrescoContext alfCtx = (AlfrescoContext) tree.getContext();
return alfCtx.getLockManager();
}
/**
* Disk Size Interface implementation
*/
private interface DiskSizeInterfaceConsts
{
static final int DiskBlockSize = 512; // bytes per block
static final long DiskAllocationUnit = 32 * MemorySize.KILOBYTE;
static final long DiskBlocksPerUnit = DiskAllocationUnit / DiskBlockSize;
// Disk size returned in the content store does not support free/total size
static final long DiskSizeDefault = 1 * MemorySize.TERABYTE;
static final long DiskFreeDefault = DiskSizeDefault / 2;
}
/**
* 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
{
if(logger.isDebugEnabled())
{
logger.debug("getDiskInformation");
}
// Set the block size and blocks per allocation unit
diskDev.setBlockSize( DiskSizeInterfaceConsts.DiskBlockSize);
diskDev.setBlocksPerAllocationUnit( DiskSizeInterfaceConsts.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 = DiskSizeInterfaceConsts.DiskSizeDefault;
freeSpace = DiskSizeInterfaceConsts.DiskFreeDefault;
}
// Convert the total/free space values to allocation units
diskDev.setTotalUnits( totalSpace / DiskSizeInterfaceConsts.DiskAllocationUnit);
diskDev.setFreeUnits( freeSpace / DiskSizeInterfaceConsts.DiskAllocationUnit);
}
public void setCifsHelper(CifsHelper cifsHelper)
{
this.cifsHelper = cifsHelper;
}
@Override
public void treeOpened(SrvSession sess, TreeConnection tree)
{
// Nothing to do
}
@Override
public void treeClosed(SrvSession sess, TreeConnection tree)
{
// Nothing to do
}
// Implementation of IOCtlInterface
/**
* Process a filesystem I/O control request
*
* @param sess Server session
* @param tree Tree connection.
* @param ctrlCode I/O control code
* @param fid File id
* @param dataBuf I/O control specific input data
* @param isFSCtrl true if this is a filesystem control, or false for a device control
* @param filter if bit0 is set indicates that the control applies to the share root handle
* @return DataBuffer
* @exception IOControlNotImplementedException
* @exception SMBException
*/
public org.alfresco.jlan.util.DataBuffer processIOControl(SrvSession sess, TreeConnection tree, int ctrlCode, int fid, DataBuffer dataBuf,
boolean isFSCtrl, int filter)
throws IOControlNotImplementedException, SMBException
{
// Validate the file id
if(logger.isDebugEnabled())
{
logger.debug("processIOControl ctrlCode: 0x" + Integer.toHexString(ctrlCode) + ", fid:" + fid);
}
NetworkFile netFile = tree.findFile(fid);
if ( netFile == null || netFile.isDirectory() == false)
{
if(logger.isDebugEnabled())
{
logger.debug("net file is null or not a directory");
}
throw new SMBException(SMBStatus.NTErr, SMBStatus.NTInvalidParameter);
}
final ContentContext ctx = (ContentContext) tree.getContext();
try
{
org.alfresco.jlan.util.DataBuffer buff = ioControlHandler.processIOControl(sess, tree, ctrlCode, fid, dataBuf, isFSCtrl, filter, this, ctx);
return buff;
}
catch(SMBException smbException)
{
if(logger.isDebugEnabled())
{
logger.debug("SMB Exception fid:" + fid, smbException);
}
throw smbException;
}
}
public void setCheckOutCheckInService(CheckOutCheckInService service)
{
this.checkOutCheckInService = service;
}
/**
* @return the service to provide check-in and check-out data
*/
public final CheckOutCheckInService getCheckOutCheckInService()
{
return checkOutCheckInService;
}
// Implementation of RepositoryDiskInterface
@Override
public void copyContent(NodeRef rootNode, String fromPath, String toPath) throws FileNotFoundException
{
if(logger.isDebugEnabled())
{
logger.debug("copyContent from:" + fromPath + " to:" + toPath);
}
NodeRef sourceNodeRef = getNodeForPath(rootNode, fromPath);
NodeRef targetNodeRef = getNodeForPath(rootNode, toPath);
Serializable prop = nodeService.getProperty(sourceNodeRef, ContentModel.PROP_CONTENT);
if(prop != null)
{
if(prop instanceof ContentData)
{
ContentData data = (ContentData)prop;
if(data.getMimetype().equalsIgnoreCase(MimetypeMap.MIMETYPE_BINARY))
{
if(logger.isDebugEnabled())
{
logger.debug("mimetype is binary - guess mimetype has failed");
}
Serializable targetProp = nodeService.getProperty(targetNodeRef, ContentModel.PROP_CONTENT);
if(targetProp != null && targetProp instanceof ContentData)
{
ContentData targetData = (ContentData)targetProp;
logger.debug("copy the existing mimetype");
prop = ContentData.setMimetype(data, targetData.getMimetype());
}
}
}
nodeService.setProperty(targetNodeRef, ContentModel.PROP_CONTENT, prop);
}
else
{
// No content to set
logger.debug("no content to save");
}
}
@Override
public NetworkFile createFile(NodeRef rootNode, String path, long allocationSize)
throws IOException
{
if (logger.isDebugEnabled())
{
logger.debug("createFile :" + path);
}
try
{
NodeRef dirNodeRef;
String folderName;
String[] paths = FileName.splitPath(path);
if (paths[0] != null && paths[0].length() > 1)
{
// lookup parent directory
dirNodeRef = getNodeForPath(rootNode, paths[0]);
folderName = paths[1];
}
else
{
dirNodeRef = rootNode;
folderName = path;
}
NodeRef nodeRef = cifsHelper.createNode(dirNodeRef, folderName, ContentModel.TYPE_CONTENT);
nodeService.addAspect(nodeRef, ContentModel.ASPECT_NO_CONTENT, null);
File file = TempFileProvider.createTempFile("cifs", ".bin");
TempNetworkFile netFile = new TempNetworkFile(file, path);
// Always allow write access to a newly created file
netFile.setGrantedAccess(NetworkFile.READWRITE);
netFile.setAllowedAccess(NetworkFile.READWRITE);
// 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 (logger.isDebugEnabled())
{
logger.debug("Created file: path=" + path + " node=" + nodeRef + " network file=" + netFile);
}
// Return the new network file
return netFile;
}
catch (org.alfresco.repo.security.permissions.AccessDeniedException ex)
{
// Debug
if ( logger.isDebugEnabled())
{
logger.debug("Create file - access denied, " + path);
}
// Convert to a filesystem access denied status
throw new AccessDeniedException("Unable to create file " + path);
}
catch (IOException ex)
{
// Debug
if ( logger.isDebugEnabled())
{
logger.debug("Create file - content I/O error, " + path);
}
throw ex;
}
catch (ContentIOException ex)
{
// Debug
if ( logger.isDebugEnabled())
{
logger.debug("Create file - content I/O error, " + path);
}
// Convert to a filesystem disk full status
throw new DiskFullException("Unable to create file " + path);
}
catch (AlfrescoRuntimeException ex)
{
// Debug
if ( logger.isDebugEnabled())
{
logger.debug("Create file error", ex);
}
// Convert to a general I/O exception
throw new IOException("Unable to create file " + path, ex);
}
}
/**
* Open the file
*/
public NetworkFile openFile(String path, OpenFileMode mode, boolean truncate)
{
return null;
}
/**
* Close the file.
*
* @exception java.io.IOException If an error occurs.
*/
public void closeFile(NodeRef rootNode, String path, NetworkFile file) throws IOException
{
if ( logger.isDebugEnabled())
{
logger.debug("Close file:" + path);
}
if( file instanceof PseudoNetworkFile)
{
file.close();
return;
}
/**
* Delete on close attribute - node needs to be deleted.
*/
if(file.hasDeleteOnClose())
{
if(logger.isDebugEnabled())
{
logger.debug("closeFile has delete on close set");
}
try
{
NodeRef target = getCifsHelper().getNodeRef(rootNode, path);
if(target!=null)
{
nodeService.deleteNode(target);
}
}
catch (org.alfresco.repo.security.permissions.AccessDeniedException ex)
{
if ( logger.isDebugEnabled())
{
logger.debug("Delete file from close file- access denied", ex);
}
// Convert to a filesystem access denied status
throw new AccessDeniedException("Unable to delete " + path);
}
// Still need to close the open file handle.
file.close();
if (logger.isDebugEnabled())
{
logger.debug("Closed file: network file=" + file + " delete on close=" + file.hasDeleteOnClose());
}
return;
}
// Check for a temp file - which will be a new file or a read/write file
if ( file instanceof TempNetworkFile)
{
if(logger.isDebugEnabled())
{
logger.debug("Got a temp network file ");
}
TempNetworkFile tempFile =(TempNetworkFile)file;
NodeRef target = getCifsHelper().getNodeRef(rootNode, tempFile.getFullName());
if(nodeService.hasAspect(target, ContentModel.ASPECT_NO_CONTENT))
{
if(logger.isDebugEnabled())
{
logger.debug("removed no content aspect");
}
nodeService.removeAspect(target, ContentModel.ASPECT_NO_CONTENT);
}
if(tempFile.getWriteCount() > 0)
{
// Some content was written to the temp file.
tempFile.flushFile();
tempFile.close();
/*
* Need to work out whether content has changed. Some odd situations do not change content.
*/
boolean contentChanged = true;
ContentReader existingContent = contentService.getReader(target, ContentModel.PROP_CONTENT);
if(existingContent != null)
{
existingContent.getSize();
existingContent.getMimetype();
contentChanged = isContentChanged(existingContent, tempFile);
}
if(contentChanged)
{
logger.debug("content has changed");
/**
* Take over the behaviour of the auditable aspect
*/
getPolicyFilter().disableBehaviour(target, ContentModel.ASPECT_AUDITABLE);
nodeService.setProperty(target, ContentModel.PROP_MODIFIER, authService.getCurrentUserName());
nodeService.setProperty(target, ContentModel.PROP_MODIFIED, new Date(tempFile.getModifyDate()));
// Take an initial guess at the mimetype (if it has not been set by something already)
String mimetype = mimetypeService.guessMimetype(tempFile.getFullName(), new FileContentReader(tempFile.getFile()));
logger.debug("guesssed mimetype:" + mimetype);
String encoding;
// Take a guess at the locale
InputStream is = new BufferedInputStream(new FileInputStream(tempFile.getFile()));
try
{
ContentCharsetFinder charsetFinder = mimetypeService.getContentCharsetFinder();
Charset charset = charsetFinder.getCharset(is, mimetype);
encoding = charset.name();
}
finally
{
if(is != null)
{
is.close();
}
}
ContentWriter writer = contentService.getWriter(target, ContentModel.PROP_CONTENT, true);
writer.setMimetype(mimetype);
writer.setEncoding(encoding);
writer.putContent(tempFile.getFile());
} // if content changed
}
}
try
{
// Defer to the network file to close the stream and remove the content
file.close();
// DEBUG
if (logger.isDebugEnabled())
{
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));
}
}
}
catch (IOException e)
{
if ( logger.isDebugEnabled())
{
logger.debug("Exception in closeFile - path:" + path, e);
}
throw new IOException("Unable to closeFile :" + path + e.toString(), e);
}
catch (Error e)
{
if ( logger.isDebugEnabled())
{
logger.debug("Exception in closeFile - path:" + path, e);
}
throw e;
}
}
/**
*
* @param session
* @param tree
* @param file
*/
public void reduceQuota(SrvSession session, TreeConnection tree, NetworkFile file)
{
if(file.hasDeleteOnClose())
{
final ContentContext ctx = (ContentContext) tree.getContext();
if(logger.isDebugEnabled())
{
logger.debug("closeFile has delete on close set");
}
if(file instanceof TempNetworkFile)
{
TempNetworkFile tnf = (TempNetworkFile)file;
final QuotaManager quotaMgr = ctx.getQuotaManager();
if (quotaMgr != null)
{
try
{
quotaMgr.releaseSpace(session, tree, file.getFileId(), file.getName(), tnf.getFileSizeInt());
}
catch (IOException e)
{
logger.error(e);
}
}
}
}
}
public void deleteEmptyFile(NodeRef rootNode, String path)
{
try
{
NodeRef target = getCifsHelper().getNodeRef(rootNode, path);
if(target!=null)
{
if (nodeService.hasAspect(target, ContentModel.ASPECT_NO_CONTENT))
{
nodeService.deleteNode(target);
}
}
}
catch(IOException ne)
{
// Do nothing
if ( logger.isDebugEnabled())
{
logger.debug("Unable to delete empty file:" + path, ne);
}
}
}
@Override
public OpLockManager getOpLockManager(SrvSession sess, TreeConnection tree)
{
AlfrescoContext alfCtx = (AlfrescoContext) tree.getContext();
return alfCtx.getOpLockManager();
}
@Override
public boolean isOpLocksEnabled(SrvSession sess, TreeConnection tree)
{
if(getOpLockManager(sess, tree) != null)
{
return true;
}
return false;
}
/**
* Compare the content for significant changes. For example Project and Excel play with headers,
* which should not result in new versions being created.
* @param existingContent
* @param newFile
* @return true the content has changed, false the content has not changed significantly.
*/
private boolean isContentChanged(ContentReader existingContent, TempNetworkFile newFile)
{
return !contentComparator.isContentEqual(existingContent, newFile.getFile());
}
public void setContentComparator(ContentComparator contentComparator)
{
this.contentComparator = contentComparator;
}
public ContentComparator getContentComparator()
{
return contentComparator;
}
}
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