1e05d3ea57d7e78312ed9a25b6c50a4b1258fd5d2chrismair/* 2e05d3ea57d7e78312ed9a25b6c50a4b1258fd5d2chrismair * Copyright 2008 the original author or authors. 3e05d3ea57d7e78312ed9a25b6c50a4b1258fd5d2chrismair * 4e05d3ea57d7e78312ed9a25b6c50a4b1258fd5d2chrismair * Licensed under the Apache License, Version 2.0 (the "License"); 5e05d3ea57d7e78312ed9a25b6c50a4b1258fd5d2chrismair * you may not use this file except in compliance with the License. 6e05d3ea57d7e78312ed9a25b6c50a4b1258fd5d2chrismair * You may obtain a copy of the License at 7e05d3ea57d7e78312ed9a25b6c50a4b1258fd5d2chrismair * 8e05d3ea57d7e78312ed9a25b6c50a4b1258fd5d2chrismair * http://www.apache.org/licenses/LICENSE-2.0 9e05d3ea57d7e78312ed9a25b6c50a4b1258fd5d2chrismair * 10e05d3ea57d7e78312ed9a25b6c50a4b1258fd5d2chrismair * Unless required by applicable law or agreed to in writing, software 11e05d3ea57d7e78312ed9a25b6c50a4b1258fd5d2chrismair * distributed under the License is distributed on an "AS IS" BASIS, 12e05d3ea57d7e78312ed9a25b6c50a4b1258fd5d2chrismair * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13e05d3ea57d7e78312ed9a25b6c50a4b1258fd5d2chrismair * See the License for the specific language governing permissions and 14e05d3ea57d7e78312ed9a25b6c50a4b1258fd5d2chrismair * limitations under the License. 15e05d3ea57d7e78312ed9a25b6c50a4b1258fd5d2chrismair */ 16e05d3ea57d7e78312ed9a25b6c50a4b1258fd5d2chrismairpackage org.mockftpserver.fake.command; 17e05d3ea57d7e78312ed9a25b6c50a4b1258fd5d2chrismair 18e05d3ea57d7e78312ed9a25b6c50a4b1258fd5d2chrismairimport org.mockftpserver.core.command.Command; 19e05d3ea57d7e78312ed9a25b6c50a4b1258fd5d2chrismairimport org.mockftpserver.core.command.ReplyCodes; 20e05d3ea57d7e78312ed9a25b6c50a4b1258fd5d2chrismairimport org.mockftpserver.core.session.Session; 21e05d3ea57d7e78312ed9a25b6c50a4b1258fd5d2chrismairimport org.mockftpserver.core.session.SessionKeys; 22e05d3ea57d7e78312ed9a25b6c50a4b1258fd5d2chrismair 23e05d3ea57d7e78312ed9a25b6c50a4b1258fd5d2chrismair/** 24e05d3ea57d7e78312ed9a25b6c50a4b1258fd5d2chrismair * CommandHandler for the CDUP command. Handler logic: 25e05d3ea57d7e78312ed9a25b6c50a4b1258fd5d2chrismair * <ol> 26e05d3ea57d7e78312ed9a25b6c50a4b1258fd5d2chrismair * <li>If the user has not logged in, then reply with 530</li> 27e05d3ea57d7e78312ed9a25b6c50a4b1258fd5d2chrismair * <li>If the current directory has no parent or if the current directory cannot be changed, then reply with 550 and terminate</li> 28e05d3ea57d7e78312ed9a25b6c50a4b1258fd5d2chrismair * <li>If the current user does not have execute access to the parent directory, then reply with 550 and terminate</li> 29e05d3ea57d7e78312ed9a25b6c50a4b1258fd5d2chrismair * <li>Otherwise, reply with 200 and change the current directory stored in the session to the parent directory</li> 30e05d3ea57d7e78312ed9a25b6c50a4b1258fd5d2chrismair * </ol> 31e05d3ea57d7e78312ed9a25b6c50a4b1258fd5d2chrismair * 32e05d3ea57d7e78312ed9a25b6c50a4b1258fd5d2chrismair * @author Chris Mair 332a0a3f946dba517a01cc26278f905156857c9c91chrismair * @version $Revision$ - $Date$ 34e05d3ea57d7e78312ed9a25b6c50a4b1258fd5d2chrismair */ 35e05d3ea57d7e78312ed9a25b6c50a4b1258fd5d2chrismairpublic class CdupCommandHandler extends AbstractFakeCommandHandler { 36e05d3ea57d7e78312ed9a25b6c50a4b1258fd5d2chrismair 37e05d3ea57d7e78312ed9a25b6c50a4b1258fd5d2chrismair protected void handle(Command command, Session session) { 38e05d3ea57d7e78312ed9a25b6c50a4b1258fd5d2chrismair verifyLoggedIn(session); 39e05d3ea57d7e78312ed9a25b6c50a4b1258fd5d2chrismair String currentDirectory = (String) getRequiredSessionAttribute(session, SessionKeys.CURRENT_DIRECTORY); 40e05d3ea57d7e78312ed9a25b6c50a4b1258fd5d2chrismair String path = getFileSystem().getParent(currentDirectory); 41e05d3ea57d7e78312ed9a25b6c50a4b1258fd5d2chrismair 42e05d3ea57d7e78312ed9a25b6c50a4b1258fd5d2chrismair this.replyCodeForFileSystemException = ReplyCodes.READ_FILE_ERROR; 43e05d3ea57d7e78312ed9a25b6c50a4b1258fd5d2chrismair verifyFileSystemCondition(notNullOrEmpty(path), currentDirectory, "filesystem.parentDirectoryDoesNotExist"); 44e05d3ea57d7e78312ed9a25b6c50a4b1258fd5d2chrismair verifyFileSystemCondition(getFileSystem().isDirectory(path), path, "filesystem.isNotADirectory"); 45e05d3ea57d7e78312ed9a25b6c50a4b1258fd5d2chrismair 46e05d3ea57d7e78312ed9a25b6c50a4b1258fd5d2chrismair // User must have execute permission to the parent directory 47e05d3ea57d7e78312ed9a25b6c50a4b1258fd5d2chrismair verifyExecutePermission(session, path); 48e05d3ea57d7e78312ed9a25b6c50a4b1258fd5d2chrismair 49e05d3ea57d7e78312ed9a25b6c50a4b1258fd5d2chrismair session.setAttribute(SessionKeys.CURRENT_DIRECTORY, path); 50e05d3ea57d7e78312ed9a25b6c50a4b1258fd5d2chrismair sendReply(session, ReplyCodes.CDUP_OK, "cdup", list(path)); 51e05d3ea57d7e78312ed9a25b6c50a4b1258fd5d2chrismair } 52e05d3ea57d7e78312ed9a25b6c50a4b1258fd5d2chrismair 53e05d3ea57d7e78312ed9a25b6c50a4b1258fd5d2chrismair}