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# Copyright (C) 2015 Combox author(s). See AUTHORS.
#
# This file is part of Combox.
#
# Combox is free software: you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Combox is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Combox (see COPYING). If not, see
# <http://www.gnu.org/licenses/>.
import os
import logging
from os import path
from watchdog.events import FileSystemEventHandler
from combox.crypto import split_and_encrypt
from combox.file import (mk_nodedir, rm_nodedir, rm_shards,
relative_path, move_shards, move_nodedir)
class ComboxDirMonitor(FileSystemEventHandler):
"""Monitors Combox directory for changes and does its crypto thing.
"""
def __init__(self, config):
"""
config: a dictinary which contains combox configuration.
"""
self.config = config
logging.basicConfig(level=logging.INFO,
format='%(asctime)s - %(message)s',
datefmt='%Y-%m-%d %H:%M:%S')
def on_moved(self, event):
super(ComboxDirMonitor, self).on_moved(event)
if event.is_directory:
# creates a corresponding directory at the node dirs.
move_nodedir(event.src_path, event.dest_path, self.config)
# TODO: code for updating files under the renamed
# directory in YAML silo.
else:
# file moved
move_shards(event.src_path, event.dest_path, self.config)
# TODO: code for updating file info in YAML silo.
type_ = 'directory' if event.is_directory else 'file'
logging.info("Moved %s: from %s to %s", type_, event.src_path,
event.dest_path)
def on_created(self, event):
super(ComboxDirMonitor, self).on_created(event)
if event.is_directory:
# creates a corresponding directory at the node dirs.
mk_nodedir(event.src_path, self.config)
else:
# file was created
split_and_encrypt(event.src_path, self.config)
# TODO: code for storing file info in YAML silo.
type_ = 'directory' if event.is_directory else 'file'
logging.info("Created %s: %s", type_, event.src_path)
def on_deleted(self, event):
super(ComboxDirMonitor, self).on_deleted(event)
if event.is_directory:
# Delete corresponding directory in the nodes.
rm_nodedir(event.src_path, self.config)
else:
# remove the corresponding file shards in the node
# directories.
rm_shards(event.src_path, self.config)
# TODO: code for removing file info from YAML silo.
type_ = 'directory' if event.is_directory else 'file'
logging.info("Deleted %s: %s", type_, event.src_path)
def on_modified(self, event):
super(ComboxDirMonitor, self).on_modified(event)
if event.is_directory:
# do nothing
pass
else:
# file was modified
split_and_encrypt(event.src_path, self.config)
# TODO: code for updating file info in YAML silo.
type_ = 'directory' if event.is_directory else 'file'
logging.info("Modified %s: %s", type_, event.src_path)
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