| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| package org.apache.sshd.common.file.nativefs; |
| |
| import java.io.IOException; |
| import java.nio.file.FileSystem; |
| import java.nio.file.FileSystems; |
| import java.nio.file.Files; |
| import java.nio.file.InvalidPathException; |
| import java.nio.file.NotDirectoryException; |
| import java.nio.file.Path; |
| import java.nio.file.Paths; |
| |
| import org.apache.sshd.common.file.FileSystemFactory; |
| import org.apache.sshd.common.session.SessionContext; |
| import org.apache.sshd.common.util.GenericUtils; |
| import org.apache.sshd.common.util.OsUtils; |
| import org.apache.sshd.common.util.ValidateUtils; |
| import org.apache.sshd.common.util.logging.AbstractLoggingBean; |
| |
| /** |
| * Native file system factory. It uses the OS file system. |
| * |
| * @author <a href="http://mina.apache.org">Apache MINA Project</a> |
| */ |
| public class NativeFileSystemFactory extends AbstractLoggingBean implements FileSystemFactory { |
| public static final String DEFAULT_USERS_HOME = OsUtils.isWin32() ? "C:\\Users" : OsUtils.isOSX() ? "/Users" : "/home"; |
| |
| public static final NativeFileSystemFactory INSTANCE = new NativeFileSystemFactory(); |
| |
| private boolean createHome; |
| private String usersHomeDir = DEFAULT_USERS_HOME; |
| |
| public NativeFileSystemFactory() { |
| this(false); |
| } |
| |
| public NativeFileSystemFactory(boolean createHome) { |
| this.createHome = createHome; |
| } |
| |
| /** |
| * @return The root location where users home is to be created - never {@code null}/empty. |
| */ |
| public String getUsersHomeDir() { |
| return usersHomeDir; |
| } |
| |
| /** |
| * Set the root location where users home is to be created |
| * |
| * @param usersHomeDir The root location where users home is to be created - never {@code null}/empty. |
| * @see #isCreateHome() |
| */ |
| public void setUsersHomeDir(String usersHomeDir) { |
| this.usersHomeDir = ValidateUtils.checkNotNullAndNotEmpty(usersHomeDir, "No users home dir"); |
| } |
| |
| /** |
| * Should the home directories be created automatically |
| * |
| * @return {@code true} if the file system will create the home directory if not available |
| */ |
| public boolean isCreateHome() { |
| return createHome; |
| } |
| |
| /** |
| * Set if the home directories be created automatically |
| * |
| * @param createHome {@code true} if the file system should create the home directory automatically if not available |
| * @see #getUsersHomeDir() |
| */ |
| public void setCreateHome(boolean createHome) { |
| this.createHome = createHome; |
| } |
| |
| @Override |
| public Path getUserHomeDir(SessionContext session) throws IOException { |
| String userName = session.getUsername(); |
| if (GenericUtils.isEmpty(userName)) { |
| return null; |
| } |
| |
| String homeRoot = getUsersHomeDir(); |
| if (GenericUtils.isEmpty(homeRoot)) { |
| return null; |
| } |
| |
| return Paths.get(homeRoot, userName).normalize().toAbsolutePath(); |
| } |
| |
| @Override |
| public FileSystem createFileSystem(SessionContext session) throws IOException { |
| // create home if does not exist |
| if (isCreateHome()) { |
| Path homeDir = getUserHomeDir(session); |
| if (homeDir == null) { |
| throw new InvalidPathException(session.getUsername(), "Cannot resolve home directory"); |
| } |
| |
| if (Files.exists(homeDir)) { |
| if (!Files.isDirectory(homeDir)) { |
| throw new NotDirectoryException(homeDir.toString()); |
| } |
| } else { |
| Path p = Files.createDirectories(homeDir); |
| log.info("createFileSystem({}) created {}", session, p); |
| } |
| } |
| |
| return FileSystems.getDefault(); |
| } |
| } |