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# Copyright (c) 2017-2021 David Steele <dsteele@gmail.com>
#
# SPDX-License-Identifier: GPL-2.0-or-later
# License-Filename: LICENSE
#
# Copyright 2016-2017 David Steele <steele@debian.org>
# This file is part of comitup
# Available under the terms of the GNU General Public License version 2
# or later
#
import configparser
import io
import os
import random
import shutil
from typing import Optional, Tuple
from comitup import persist
PERSIST_PATH: str = "/var/lib/comitup/comitup.json"
CONF_PATH: str = "/etc/comitup.conf"
BOOT_CONF_PATH: str = "/boot/comitup.conf"
SECTION: str = "DEFAULT"
data_cache: Optional[Tuple["Config", persist.persist]] = None
class MyConfigParser(configparser.ConfigParser):
def getboolean(self, *args, **kwargs):
mappings = {"y": True, "n": False}
try:
val = mappings[self.get(*args, **kwargs).lower()]
except KeyError:
val = super().getboolean(*args, **kwargs)
return val
class Config(object):
def __init__(self, filename: str, section: str = SECTION, defaults={}):
self._section: str = section
self._config = MyConfigParser(defaults=defaults)
try:
with open(filename, "r") as fp:
conf_str = "[%s]\n" % self._section + fp.read()
conf_fp = io.StringIO(conf_str)
self._config.read_file(conf_fp)
except FileNotFoundError:
pass
def getboolean(self, tag: str) -> bool:
return self._config.getboolean(SECTION, tag)
def __getattr__(self, tag):
try:
return self._config.get(self._section, tag)
except configparser.NoOptionError:
raise AttributeError
def load_data() -> Tuple[Config, persist.persist]:
global data_cache
if not data_cache:
if os.path.isfile(BOOT_CONF_PATH):
try:
dest = shutil.copyfile(BOOT_CONF_PATH, CONF_PATH)
print("Boot config file copied:", dest)
os.remove(BOOT_CONF_PATH)
except Exception:
print("Error occurred while copying file.")
conf = Config(
CONF_PATH,
defaults={
"ap_name": "comitup-<nnn>",
"ap_password": "",
"web_service": "",
"service_name": "comitup",
"external_callback": "/usr/local/bin/comitup-callback",
"verbose": "0",
"enable_appliance_mode": "1",
"primary_wifi_device": "",
"enable_nuke": "0",
"ipv6_link_local": 1,
},
)
data = persist.persist(
PERSIST_PATH,
{"id": str(random.randrange(1000, 9999))},
)
data_cache = (conf, data)
return data_cache
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