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# This file is part of Tryton. The COPYRIGHT file at the top level of
# this repository contains the full copyright notices and license terms.
import http.client
import logging
import os
import socket
try:
from http import HTTPStatus
except ImportError:
from http import client as HTTPStatus
from functools import partial
from tryton import bus, device_cookie, fingerprints
from tryton.config import CONFIG, get_config_dir
from tryton.exceptions import TrytonServerError, TrytonServerUnavailable
from tryton.jsonrpc import Fault, ServerPool, ServerProxy
logger = logging.getLogger(__name__)
CONNECTION = None
_USER = None
CONTEXT = {}
_VIEW_CACHE = {}
_TOOLBAR_CACHE = {}
_KEYWORD_CACHE = {}
_CA_CERTS = os.path.join(get_config_dir(), 'ca_certs')
if not os.path.isfile(_CA_CERTS):
_CA_CERTS = None
ServerProxy = partial(ServerProxy, fingerprints=fingerprints,
ca_certs=_CA_CERTS)
ServerPool = partial(ServerPool, fingerprints=fingerprints,
ca_certs=_CA_CERTS)
def context_reset():
CONTEXT.clear()
CONTEXT['client'] = bus.ID
context_reset()
def db_list(host, port):
try:
connection = ServerProxy(host, port)
logger.info('common.db.list()')
result = connection.common.db.list()
logger.debug('%r', result)
return result
except Fault as exception:
logger.debug(exception.faultCode)
if exception.faultCode == str(HTTPStatus.FORBIDDEN.value):
return []
else:
return None
def server_version(host, port):
try:
connection = ServerProxy(host, port)
logger.info('common.server.version(None, None)')
result = connection.common.server.version()
logger.debug('%r', result)
return result
except Exception as e:
logger.exception(e)
return None
def authentication_services(host, port):
try:
connection = ServerProxy(host, port)
logger.info('common.authentication.services()')
services = connection.common.authentication.services()
logger.debug('%r', services)
return connection.url, services
except Exception as e:
logger.exception(e)
return '', []
def set_service_session(parameters):
from tryton import common
global CONNECTION, _USER
host = CONFIG['login.host']
hostname = common.get_hostname(host)
port = common.get_port(host)
database = CONFIG['login.db']
CONFIG['login.login'] = username = parameters.get('login', [''])[0]
try:
user_id = int(parameters.get('user_id', [None])[0])
except TypeError:
pass
session = parameters.get('session', [''])[0]
if 'renew' in parameters:
renew_id = int(parameters.get('renew', [-1])[0])
if _USER != renew_id:
raise ValueError
_USER = user_id
session = ':'.join(map(str, [username, user_id, session]))
if CONNECTION is not None:
CONNECTION.close()
CONNECTION = ServerPool(
hostname, port, database, session=session, cache=not CONFIG['dev'])
bus.listen(CONNECTION)
def login(parameters):
from tryton import common
global CONNECTION, _USER
host = CONFIG['login.host']
hostname = common.get_hostname(host)
port = common.get_port(host)
database = CONFIG['login.db']
username = CONFIG['login.login']
language = CONFIG['client.lang']
parameters['device_cookie'] = device_cookie.get()
connection = ServerProxy(hostname, port, database)
logger.info('common.db.login(%s, %s, %s)', username, 'x' * 10, language)
result = connection.common.db.login(username, parameters, language)
logger.debug('%r', result)
_USER = result[0]
session = ':'.join(map(str, [username] + result))
if CONNECTION is not None:
CONNECTION.close()
CONNECTION = ServerPool(
hostname, port, database, session=session, cache=not CONFIG['dev'])
device_cookie.renew()
bus.listen(CONNECTION)
def logout():
global CONNECTION, _USER
if CONNECTION is not None:
try:
logger.info('common.db.logout()')
with CONNECTION() as conn:
conn.common.db.logout()
except (Fault, socket.error, http.client.CannotSendRequest):
pass
CONNECTION.close()
CONNECTION = None
_USER = None
def execute(*args):
global CONNECTION, _USER
if CONNECTION is None:
raise TrytonServerError('403')
try:
name = '.'.join(args[:3])
args = args[3:]
logger.info('%s%r', name, args)
with CONNECTION() as conn:
result = getattr(conn, name)(*args)
except (http.client.CannotSendRequest, socket.error) as exception:
raise TrytonServerUnavailable(*exception.args)
logger.debug('%r', result)
return result
def clear_cache(prefix=None):
if CONNECTION:
CONNECTION.clear_cache(prefix)
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