| /* |
| * 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.karaf.shell.ssh; |
| |
| import org.apache.sshd.server.FileSystemView; |
| import org.apache.sshd.server.SshFile; |
| import org.apache.sshd.server.filesystem.NativeSshFile; |
| |
| import java.io.File; |
| |
| /** |
| * Karaf file system view reduced to the KARAF_BASE location |
| */ |
| public class KarafFileSystemView implements FileSystemView { |
| |
| private String location; |
| |
| public KarafFileSystemView() { |
| location = System.getProperty("karaf.base"); |
| } |
| |
| public SshFile getFile(String file) { |
| return getFile(location, file); |
| } |
| |
| public SshFile getFile(SshFile baseDir, String file) { |
| return getFile(baseDir.getAbsolutePath(), file); |
| } |
| |
| protected SshFile getFile(String dir, String file) { |
| // get actual file object |
| String physicalName = NativeSshFile.getPhysicalName("/", dir, file, false); |
| |
| if (!physicalName.startsWith(location)) { |
| throw new IllegalArgumentException("The path is not relative to KARAF_BASE. For security reason, it's not allowed."); |
| } |
| |
| File fileObj = new File(physicalName); |
| |
| // strip the root directory and return |
| String karafFileName = physicalName.substring("/".length() - 1); |
| return new KarafSshFile(karafFileName, fileObj); |
| } |
| |
| } |