chrismair | 00dc7bd | 2014-05-11 21:21:28 +0000 | [diff] [blame] | 1 | /*
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| 2 | * Copyright 2008 the original author or authors.
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| 3 | *
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| 4 | * Licensed under the Apache License, Version 2.0 (the "License");
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| 5 | * you may not use this file except in compliance with the License.
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| 6 | * You may obtain a copy of the License at
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| 7 | *
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| 8 | * http://www.apache.org/licenses/LICENSE-2.0
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| 9 | *
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| 10 | * Unless required by applicable law or agreed to in writing, software
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| 11 | * distributed under the License is distributed on an "AS IS" BASIS,
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| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| 13 | * See the License for the specific language governing permissions and
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| 14 | * limitations under the License.
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| 15 | */
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| 16 | package org.mockftpserver.fake.command;
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| 17 |
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| 18 | import org.mockftpserver.core.command.Command;
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| 19 | import org.mockftpserver.core.command.ReplyCodes;
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| 20 | import org.mockftpserver.core.session.Session;
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| 21 | import org.mockftpserver.core.session.SessionKeys;
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| 22 |
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| 23 | /**
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| 24 | * CommandHandler for the CWD command. Handler logic:
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| 25 | * <ol>
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| 26 | * <li>If the user has not logged in, then reply with 530</li>
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| 27 | * <li>If the required pathname parameter is missing, then reply with 501 and terminate</li>
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| 28 | * <li>If the pathname parameter does not specify an existing directory, then reply with 550 and terminate</li>
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| 29 | * <li>If the current user does not have execute access to the directory, then reply with 550 and terminate</li>
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| 30 | * <li>Otherwise, reply with 250 and change the current directory stored in the session</li>
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| 31 | * </ol>
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| 32 | * The supplied pathname may be absolute or relative to the current directory.
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| 33 | *
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| 34 | * @author Chris Mair
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| 35 | * @version $Revision$ - $Date$
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| 36 | */
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| 37 | public class CwdCommandHandler extends AbstractFakeCommandHandler {
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| 38 |
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| 39 | protected void handle(Command command, Session session) {
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| 40 | verifyLoggedIn(session);
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| 41 | String path = getRealPath(session, command.getRequiredParameter(0));
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| 42 |
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| 43 | this.replyCodeForFileSystemException = ReplyCodes.READ_FILE_ERROR;
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| 44 | verifyFileSystemCondition(getFileSystem().exists(path), path, "filesystem.doesNotExist");
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| 45 | verifyFileSystemCondition(getFileSystem().isDirectory(path), path, "filesystem.isNotADirectory");
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| 46 |
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| 47 | // User must have execute permission to the directory
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| 48 | verifyExecutePermission(session, path);
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| 49 |
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| 50 | session.setAttribute(SessionKeys.CURRENT_DIRECTORY, path);
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| 51 | sendReply(session, ReplyCodes.CWD_OK, "cwd", list(path));
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| 52 | }
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| 53 |
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| 54 | } |