zulip/scripts/setup/generate_secrets.py

106 lines
3.6 KiB
Python
Executable File

#!/usr/bin/env python
# This tools generates /etc/zulip/zulip-secrets.conf
from __future__ import print_function
import sys, os, os.path
from os.path import dirname, abspath
if False:
from typing import Dict, Optional, Text
BASE_DIR = dirname(dirname(dirname(abspath(__file__))))
sys.path.append(BASE_DIR)
import scripts.lib.setup_path_on_import
os.environ['DJANGO_SETTINGS_MODULE'] = 'zproject.settings'
from django.utils.crypto import get_random_string
import six
import argparse
from zerver.lib.str_utils import force_str
from zerver.lib.utils import generate_random_token
os.chdir(os.path.join(os.path.dirname(__file__), '..', '..'))
CAMO_CONFIG_FILENAME = '/etc/default/camo'
AUTOGENERATED_SETTINGS = ['shared_secret', 'avatar_salt', 'rabbitmq_password', 'local_database_password',
'initial_password_salt']
# TODO: We can eliminate this function if we refactor the install
# script to run generate_secrets before zulip-puppet-apply.
def generate_camo_config_file(camo_key):
# type: (Text) -> None
camo_config = """ENABLED=yes
PORT=9292
CAMO_KEY=%s
""" % (camo_key,)
with open(CAMO_CONFIG_FILENAME, 'w') as camo_file:
camo_file.write(camo_config)
print("Generated Camo config file %s" % (CAMO_CONFIG_FILENAME,))
def generate_django_secretkey():
# type: () -> Text
"""Secret key generation taken from Django's startproject.py"""
chars = 'abcdefghijklmnopqrstuvwxyz0123456789!@#$%^&*(-_=+)'
return get_random_string(50, chars)
def get_old_conf(output_filename):
# type: (Text) -> Dict[str, Text]
if not os.path.exists(output_filename):
return {}
secrets_file = six.moves.configparser.RawConfigParser() # type: ignore # https://github.com/python/typeshed/issues/307
secrets_file.read(output_filename)
def get_secret(key):
# type: (Text) -> Optional[Text]
if secrets_file.has_option('secrets', key):
return secrets_file.get('secrets', key)
return None
fields = AUTOGENERATED_SETTINGS + ['secret_key', 'camo_key']
return {name: get_secret(name) for name in fields}
def generate_secrets(development=False):
# type: (bool) -> None
if development:
OUTPUT_SETTINGS_FILENAME = "zproject/dev-secrets.conf"
else:
OUTPUT_SETTINGS_FILENAME = "/etc/zulip/zulip-secrets.conf"
lines = [u'[secrets]\n']
def config_line(var, value):
# type: (Text, Text) -> Text
return "%s = %s\n" % (var, value)
old_conf = get_old_conf(OUTPUT_SETTINGS_FILENAME)
for name in AUTOGENERATED_SETTINGS:
lines.append(config_line(name, old_conf.get(name, generate_random_token(64))))
secret_key = old_conf.get('secret_key', generate_django_secretkey())
lines.append(config_line('secret_key', secret_key))
camo_key = old_conf.get('camo_key', get_random_string(64))
lines.append(config_line('camo_key', camo_key))
if not development:
# Write the Camo config file directly
generate_camo_config_file(camo_key)
out = open(OUTPUT_SETTINGS_FILENAME, 'w')
out.write(force_str("".join(lines)))
out.close()
print("Generated %s with auto-generated secrets!" % (OUTPUT_SETTINGS_FILENAME,))
if __name__ == '__main__':
parser = argparse.ArgumentParser()
group = parser.add_mutually_exclusive_group(required=True)
group.add_argument('--development', action='store_true', dest='development', help='For setting up the developer env for zulip')
group.add_argument('--production', action='store_false', dest='development', help='For setting up the production env for zulip')
results = parser.parse_args()
generate_secrets(results.development)