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      1 /*
      2  * Copyright 2008 the original author or authors.
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 package org.mockftpserver.fake.command;
     17 
     18 import org.mockftpserver.core.command.Command;
     19 import org.mockftpserver.core.command.ReplyCodes;
     20 import org.mockftpserver.core.session.Session;
     21 import org.mockftpserver.fake.filesystem.DirectoryEntry;
     22 
     23 /**
     24  * CommandHandler for the MKD command. Handler logic:
     25  * <ol>
     26  * <li>If the user has not logged in, then reply with 530</li>
     27  * <li>If the required pathname parameter is missing, then reply with 501</li>
     28  * <li>If the parent directory of the specified pathname does not exist, then reply with 550</li>
     29  * <li>If the pathname parameter specifies an existing file or directory, or if the create directory fails, then reply with 550</li>
     30  * <li>If the current user does not have write and execute access to the parent directory, then reply with 550</li>
     31  * <li>Otherwise, reply with 257</li>
     32  * </ol>
     33  * The supplied pathname may be absolute or relative to the current directory.
     34  *
     35  * @author Chris Mair
     36  * @version $Revision$ - $Date$
     37  */
     38 public class MkdCommandHandler extends AbstractFakeCommandHandler {
     39 
     40     protected void handle(Command command, Session session) {
     41         verifyLoggedIn(session);
     42         String path = getRealPath(session, command.getRequiredParameter(0));
     43         String parent = getFileSystem().getParent(path);
     44 
     45         this.replyCodeForFileSystemException = ReplyCodes.READ_FILE_ERROR;
     46         verifyFileSystemCondition(getFileSystem().exists(parent), parent, "filesystem.doesNotExist");
     47         verifyFileSystemCondition(!getFileSystem().exists(path), path, "filesystem.alreadyExists");
     48 
     49         // User must have write permission to the parent directory
     50         verifyWritePermission(session, parent);
     51 
     52         // User must have execute permission to the parent directory
     53         verifyExecutePermission(session, parent);
     54 
     55         DirectoryEntry dirEntry = new DirectoryEntry(path);
     56         getFileSystem().add(dirEntry);
     57         dirEntry.setPermissions(getUserAccount(session).getDefaultPermissionsForNewDirectory());
     58 
     59         sendReply(session, ReplyCodes.MKD_OK, "mkd", list(path));
     60     }
     61 
     62 }