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Java file server with SMB, FTP/FTPS and NFS support, virtual filesystems, database filesystems
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/*
* Copyright (C) 2006-2010 Alfresco Software Limited.
* Copyright (C) 2018 GK Spencer
*
* 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 fileIter = m_files.iterateFileHandles();
while (fileIter.hasNext()) {
// Get the current file id handle
Integer fileHandle = fileIter.next();
// Get the current open file
NetworkFile openFile = m_files.findFile( fileHandle);
if ( openFile != null) {
// Close the file
try {
// Access the disk interface and close the file
DiskInterface disk = (DiskInterface) m_shareDev.getInterface();
openFile.setForce(true);
disk.closeFile(sess, this, openFile);
openFile.setClosed(true);
}
catch (Exception ex) {
}
}
}
// Remove all the open files
m_files.removeAllFiles();
}
// Decrement the active connection count for the shared device
m_shareDev.decrementConnectionCount();
}
/**
* Return the specified network file.
*
* @param fid int
* @return NetworkFile
*/
public synchronized NetworkFile findFile(int fid) {
return m_files.findFile( fid);
}
/**
* Determine if the shared device has an associated context
*
* @return boolean
*/
public final boolean hasContext() {
if (m_shareDev != null)
return m_shareDev.getContext() != null;
return false;
}
/**
* Return the interface specific context object.
*
* @return Device interface context object.
*/
public final DeviceContext getContext() {
if (m_shareDev == null)
return null;
return m_shareDev.getContext();
}
/**
* Return the share access permissions that the user has been granted.
*
* @return ShareStatus
*/
public final ISMBAuthenticator.ShareStatus getPermission() {
return m_permission;
}
/**
* Deterimine if the access permission for the shared device allows read access
*
* @return boolean
*/
public final boolean hasReadAccess() {
if (m_permission == ISMBAuthenticator.ShareStatus.READ_ONLY ||
m_permission == ISMBAuthenticator.ShareStatus.WRITEABLE)
return true;
return false;
}
/**
* Determine if the access permission for the shared device allows write access
*
* @return boolean
*/
public final boolean hasWriteAccess() {
if (m_permission == ISMBAuthenticator.ShareStatus.WRITEABLE)
return true;
return false;
}
/**
* Return the shared device that this tree connection is using.
*
* @return SharedDevice
*/
public final SharedDevice getSharedDevice() {
return m_shareDev;
}
/**
* Return the shared device interface
*
* @return DeviceInterface
*/
public final DeviceInterface getInterface() {
if (m_shareDev == null)
return null;
try {
return m_shareDev.getInterface();
}
catch (InvalidDeviceInterfaceException ex) {
}
return null;
}
/**
* Return the count of open files on this tree connection.
*
* @return int
*/
public synchronized int openFileCount() {
return m_files.openFileCount();
}
/**
* Iterate the open file handles
*
* @return Iterator<Integer>
*/
public final Iterator iterateOpenFileHandles() {
return m_files.iterateFileHandles();
}
/**
* Remove all files from the tree connection.
*/
public synchronized final void removeAllFiles() {
m_files.removeAllFiles();
}
/**
* Remove a network file from the list of open files for this connection.
*
* @param fid int
* @param sess SrvSession
*/
public synchronized void removeFile(int fid, SrvSession sess) {
// Remove the file
NetworkFile netFile = m_files.removeFile( fid, sess);
if ( netFile != null) {
// Inform listeners of the file closure
NetworkFileServer fileSrv = (NetworkFileServer) sess.getServer();
if (fileSrv != null)
fileSrv.fireCloseFileEvent(sess, netFile);
}
}
/**
* Set the access permission for this share that the user has been granted.
*
* @param perm ShareStatus
*/
public final void setPermission(ISMBAuthenticator.ShareStatus perm) {
m_permission = perm;
}
/**
* Set the access permission for this share by mapping from an ACL permission
*
* @param aclPerm int
*/
public final void setPermission(int aclPerm) {
switch ( aclPerm) {
case AccessControl.NoAccess:
m_permission = ISMBAuthenticator.ShareStatus.NO_ACCESS;
break;
case AccessControl.ReadOnly:
m_permission = ISMBAuthenticator.ShareStatus.READ_ONLY;
break;
case AccessControl.ReadWrite:
m_permission = ISMBAuthenticator.ShareStatus.WRITEABLE;
break;
}
}
/**
* Return the tree connection as a string.
*
* @return String
*/
public String toString() {
StringBuffer str = new StringBuffer();
str.append("[");
str.append(m_shareDev.toString());
str.append(", id=");
str.append(getId());
str.append(", fileCnt=");
str.append(openFileCount());
str.append(", perm=");
str.append(m_permission.name());
str.append("]");
return str.toString();
}
/**
* Dump the open file list
*
* @param sess SMBSrvSession
*/
public final void dumpOpenFiles(SMBSrvSession sess) {
// Dump the open file list
sess.debugPrintln("Dump open files:");
Iterator iterHandles = iterateOpenFileHandles();
while ( iterHandles.hasNext()) {
// Get the next file handle
Integer handle = iterHandles.next();
NetworkFile netFile = findFile( handle);
if ( netFile != null)
sess.debugPrintln(" " + handle + ": " + netFile);
}
}
}