ftpmount.java

这是linux下ssl vpn的实现程序

/*
 *  SSL-Explorer
 *
 *  Copyright (C) 2003-2006 3SP LTD. All Rights Reserved
 *
 *  This program is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU General Public License
 *  as published by the Free Software Foundation; either version 2 of
 *  the License, or (at your option) any later version.
 *  This program 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public
 *  License along with this program; if not, write to the Free Software
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */
			
package com.sslexplorer.vfs.store.ftp;

import java.io.IOException;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.commons.vfs.FileObject;
import org.apache.commons.vfs.FileSystemException;

import com.sslexplorer.boot.Util;
import com.sslexplorer.core.CoreUtil;
import com.sslexplorer.vfs.NetworkPlace;
import com.sslexplorer.vfs.utils.URI;
import com.sslexplorer.vfs.webdav.AbstractNetworkPlaceMount;
import com.sslexplorer.vfs.webdav.DAVAuthenticationRequiredException;
import com.sslexplorer.vfs.webdav.DAVStore;
import com.sslexplorer.vfs.webdav.DAVTransaction;
import com.sslexplorer.vfs.webdav.DAVUtilities;

public class FTPMount extends AbstractNetworkPlaceMount {

    final static Log log = LogFactory.getLog(FTPMount.class);

    public FTPMount(NetworkPlace networkPlace, DAVStore store) {
        super(networkPlace, store);
    }

    public FileObject createVFSFileObject(String path, DAVTransaction transaction) throws IOException {
        try {
            URI uri = getRootVFSURI(transaction);
            if (transaction.getCurrentCredentials() != null) {
                uri.setUserinfo(DAVUtilities.encodeURIUserInfo(transaction.getCurrentCredentials().getUserInfoString()));
            }
            uri.setPath(uri.getPath() + (uri.getPath().endsWith("/") ? "" : "/") + DAVUtilities.encodePath(path));
            FileObject fileObject = this.getStore().getRepository().getFileSystemManager().resolveFile(uri.toString());
            return fileObject;
        } catch (FileSystemException fse) {
            if (fse.getCode().equals("vfs.provider.ftp/connect.error")) {
                throw new DAVAuthenticationRequiredException(this, true);
            }
            throw fse;
        }
    }
}