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# -*- coding: utf-8 -*-
# configurable.py
# Copyright (C) 2015, 2016 LEAP
#
# This program 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.
#
# This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
"""
Configurable Backend for Bitmask Service.
"""
import ConfigParser
import os
from twisted.application import service
from leap.common import files
from leap.common.config import get_path_prefix
DEFAULT_BASEDIR = os.path.join(get_path_prefix(), 'leap')
class MissingConfigEntry(Exception):
"""
A required config entry was not found.
"""
class ConfigurableService(service.MultiService):
config_file = u"bitmaskd.cfg"
service_names = ('mail', 'eip', 'zmq', 'web')
def __init__(self, basedir=DEFAULT_BASEDIR):
service.MultiService.__init__(self)
path = os.path.abspath(os.path.expanduser(basedir))
if not os.path.isdir(path):
files.mkdir_p(path)
self.basedir = path
# creates self.config
self.read_config()
def get_config(self, section, option, default=None, boolean=False):
try:
if boolean:
return self.config.getboolean(section, option)
item = self.config.get(section, option)
return item
except (ConfigParser.NoOptionError, ConfigParser.NoSectionError):
if default is None:
fn = self._get_config_path()
raise MissingConfigEntry("%s is missing the [%s]%s entry"
% fn, section, option)
return default
def set_config(self, section, option, value):
if not self.config.has_section(section):
self.config.add_section(section)
self.config.set(section, option, value)
self.save_config()
self.read_config()
assert self.config.get(section, option) == value
def read_config(self):
self.config = ConfigParser.SafeConfigParser()
bitmaskd_cfg = self._get_config_path()
if not os.path.isfile(bitmaskd_cfg):
self._create_default_config(bitmaskd_cfg)
with open(bitmaskd_cfg, "rb") as f:
self.config.readfp(f)
def save_config(self):
bitmaskd_cfg = self._get_config_path()
with open(bitmaskd_cfg, 'wb') as f:
self.config.write(f)
def _create_default_config(self, path):
with open(path, 'w') as outf:
outf.write(DEFAULT_CONFIG)
def _get_config_path(self):
return os.path.join(self.basedir, self.config_file)
DEFAULT_CONFIG = """
[services]
mail = True
eip = True
zmq = True
web = False
"""
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