/**
* Copyright (c) 2007, Markus Jevring <markus@jevring.net>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The names of the contributors may not be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
package cu.ftpd.modules.dupecheck.eventhandler;
import cu.ftpd.events.AfterEventHandler;
import cu.ftpd.events.Event;
import cu.ftpd.events.BeforeEventHandler;
import cu.ftpd.modules.dupecheck.Dupe;
import cu.ftpd.modules.dupecheck.Dupelog;
import cu.ftpd.logging.Formatter;
import cu.ftpd.filesystem.permissions.ActionPermission;
import cu.ftpd.filesystem.FileSystem;
import cu.ftpd.Connection;
import cu.ftpd.Server;
import cu.ftpd.ServiceManager;
import cu.shell.ProcessResult;
/**
* @author Markus Jevring <markus@jevring.net>
* @since 2008-jan-26 - 11:30:20
* @version $Id: DupelogHandler.java 294 2009-03-04 22:10:42Z jevring $
*/
public class DupelogHandler implements AfterEventHandler, BeforeEventHandler {
private final Dupelog dupelog;
public DupelogHandler(Dupelog dupelog) {
this.dupelog = dupelog;
}
public void handleEvent(Event event) {
final String path = event.getProperty("file.path.ftp");
String filename = FileSystem.getNameFromPath(path);
String parentDirectory = FileSystem.getParentDirectoryFromPath(path);
if (ServiceManager.getServices().getPermissions().shouldLog(ActionPermission.DUPELOG, parentDirectory, event.getUser())) {
String exitValue = event.getProperty("transfer.postprocessor.exitvalue");
// this will not throw a NumberFormatException for trying to parse null, as we are checking for it before
boolean crcOk = exitValue != null && Integer.parseInt(exitValue) == ProcessResult.OK.exitvalue;
if (event.getType() == Event.DELETE_FILE) {
dupelog.removeDupe(filename);
} else if (event.getType() == Event.UPLOAD && crcOk) {
dupelog.addDupe(event.getUser().getUsername(), filename);
}
}
}
public boolean handleEvent(Event event, Connection connection) {
final String path = event.getProperty("file.path.ftp");
String filename = FileSystem.getNameFromPath(path);
String parentDirectory = FileSystem.getParentDirectoryFromPath(path);
if (ServiceManager.getServices().getPermissions().shouldLog(ActionPermission.DUPECHECK, parentDirectory, event.getUser())) {
Dupe dupe = dupelog.getDupe(filename);
if (dupe != null) {
// wouldn't it be nice (and memory intensive) to have the path to the file here too?
// the problem is that whenever it was moved, we'd have to update the object =(
connection.respond("553 This looks like a dupe! It was uploaded by " + dupe.getUsername() + ' ' + Formatter.shortDuration((System.currentTimeMillis() - dupe.getTime()) / 1000) + " ago");
return false;
} // if it returns null, we're happy
}
return true;
}
}