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# -*- coding: utf-8 -*-
# app.py
# Copyright (C) 2017 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/>.
"""
Soledad Server, as a Twisted Application.
"""
import os
from twisted.application import service, strports
from twisted.internet import reactor
from twisted.web import server
from leap.soledad.common.couch.check import check_schema_versions
from leap.soledad.common.log import getLogger
from leap.soledad.server import entrypoints
from leap.soledad.server import get_config
logger = getLogger(__name__)
def _deferred_shutdown(status):
reactor.addSystemEventTrigger('after', 'shutdown',
os._exit, status)
reactor.stop()
def _exit(status):
reactor.callWhenRunning(_deferred_shutdown, status)
def _log_and_exit(failure):
logger.error('Error while starting up server: %r'
% failure.getErrorMessage())
_exit(20)
#
# necessary checks
#
def check_env(local_port, public_port):
if local_port == public_port:
logger.error("LOCAL_SERVICES_PORT and HTTPS_PORT can't be the same!")
_exit(20)
if public_port is None and not os.getenv('DEBUG_SERVER'):
logger.error("HTTPS_PORT env var is required to be set!")
_exit(20)
def check_conf(conf):
path = conf['blobs_path']
blobs_not_empty = bool(os.path.exists(path) and os.listdir(path))
if not conf['blobs'] and blobs_not_empty:
message = """
** WARNING: Blobs is disabled, but blobs directory isn't empty. **
** If it was previously enabled, disabling can cause data loss due blobs **
** documents not being accessible to users. **
** Blobs directory: %s
** REFUSING TO START. Please double check your configuration. **
"""
logger.error(message % path)
_exit(20)
#
# service creation functions
#
def create_local_service(port, application):
logger.info('Starting local Services HTTP API')
desc = 'tcp:%s:interface=127.0.0.1' % port
site = server.Site(entrypoints.ServicesEntrypoint())
service = strports.service(desc, site)
service.setServiceParent(application)
def get_tls_service_description(port):
privateKey = os.getenv('PRIVKEY_PATH', '/etc/soledad/soledad-server.key')
certKey = os.getenv('CERT_PATH', '/etc/soledad/soledad-server.pem')
sslmethod = os.getenv('SSL_METHOD', 'SSLv23_METHOD')
desc = ':'.join([
'ssl',
'port=' + str(port),
'privateKey=' + privateKey,
'certKey=' + certKey,
'sslmethod=' + sslmethod])
return desc
def create_public_service(port, application):
logger.info('Starting public Users HTTP API')
if port:
desc = get_tls_service_description(port)
else:
logger.warn('Using plain HTTP on public Users API.')
desc = 'tcp:port=2424:interface=0.0.0.0'
site = server.Site(entrypoints.UsersEntrypoint())
service = strports.service(desc, site)
service.setServiceParent(application)
def create_services(local_port, public_port, application):
create_local_service(local_port, application)
create_public_service(public_port, application)
#
# the application
#
def run(application):
local_port = os.getenv('LOCAL_SERVICES_PORT', 2525)
public_port = os.getenv('HTTPS_PORT', None)
conf = get_config()
check_env(local_port, public_port)
check_conf(conf)
d = check_schema_versions(conf['couch_url'])
d.addCallback(lambda _: create_services(local_port, public_port,
application))
d.addErrback(_log_and_exit)
application = service.Application('soledad-server')
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