/usr/share/pyshared/trytond/protocols/jsonrpc.py is in tryton-server 2.2.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#this repository contains the full copyright notices and license terms.
from trytond.protocols.sslsocket import SSLSocket
from trytond.protocols.dispatcher import dispatch
from trytond.config import CONFIG
from trytond.protocols.datatype import Float
from trytond.protocols.common import daemon, GZipRequestHandlerMixin
from trytond.exceptions import UserError, UserWarning, NotLogged, \
ConcurrencyException
import SimpleXMLRPCServer
import SimpleHTTPServer
import SocketServer
import traceback
import socket
import sys
import os
try:
import fcntl
except ImportError:
fcntl = None
import posixpath
import urllib
import datetime
from decimal import Decimal
try:
import simplejson as json
except ImportError:
import json
import base64
def object_hook(dct):
if '__class__' in dct:
if dct['__class__'] == 'datetime':
return datetime.datetime(dct['year'], dct['month'], dct['day'],
dct['hour'], dct['minute'], dct['second'])
elif dct['__class__'] == 'date':
return datetime.date(dct['year'], dct['month'], dct['day'])
elif dct['__class__'] == 'buffer':
return buffer(base64.decodestring(dct['base64']))
elif dct['__class__'] == 'Decimal':
return Decimal(dct['decimal'])
return dct
class JSONEncoder(json.JSONEncoder):
def __init__(self, *args, **kwargs):
super(JSONEncoder, self).__init__(*args, **kwargs)
# Force to use our custom decimal with simplejson
self.use_decimal = False
def default(self, obj):
if isinstance(obj, datetime.date):
if isinstance(obj, datetime.datetime):
return {'__class__': 'datetime',
'year': obj.year,
'month': obj.month,
'day': obj.day,
'hour': obj.hour,
'minute': obj.minute,
'second': obj.second,
}
return {'__class__': 'date',
'year': obj.year,
'month': obj.month,
'day': obj.day,
}
elif isinstance(obj, buffer):
return {'__class__': 'buffer',
'base64': base64.encodestring(obj),
}
elif isinstance(obj, Decimal):
return {'__class__': 'Decimal',
'decimal': str(obj),
}
return super(JSONEncoder, self).default(obj)
class SimpleJSONRPCDispatcher(SimpleXMLRPCServer.SimpleXMLRPCDispatcher):
"""Mix-in class that dispatches JSON-RPC requests.
This class is used to register JSON-RPC method handlers
and then to dispatch them. There should never be any
reason to instantiate this class directly.
"""
def _marshaled_dispatch(self, data, dispatch_method=None, path=None):
"""Dispatches an JSON-RPC method from marshalled (JSON) data.
JSON-RPC methods are dispatched from the marshalled (JSON) data
using the _dispatch method and the result is returned as
marshalled data. For backwards compatibility, a dispatch
function can be provided as an argument (see comment in
SimpleJSONRPCRequestHandler.do_POST) but overriding the
existing method through subclassing is the prefered means
of changing method dispatch behavior.
"""
rawreq = json.loads(data, object_hook=object_hook)
req_id = rawreq.get('id', 0)
method = rawreq['method']
params = rawreq.get('params', [])
response = {'id': req_id}
try:
#generate response
if dispatch_method is not None:
response['result'] = dispatch_method(method, params)
else:
response['result'] = self._dispatch(method, params)
except (UserError, UserWarning, NotLogged,
ConcurrencyException), exception:
response['error'] = exception.args
except Exception:
tb_s = ''
for line in traceback.format_exception(*sys.exc_info()):
try:
line = line.encode('utf-8', 'ignore')
except Exception:
continue
tb_s += line
for path in sys.path:
tb_s = tb_s.replace(path, '')
if CONFIG['debug_mode']:
import pdb
traceb = sys.exc_info()[2]
pdb.post_mortem(traceb)
# report exception back to server
response['error'] = (str(sys.exc_value), tb_s)
return json.dumps(response, cls=JSONEncoder)
class GenericJSONRPCRequestHandler:
def _dispatch(self, method, params):
host, port = self.client_address[:2]
database_name = self.path[1:]
if database_name.startswith('sao/'):
database_name = database_name[4:]
method_list = method.split('.')
object_type = method_list[0]
object_name = '.'.join(method_list[1:-1])
method = method_list[-1]
args = (host, port, 'JSON-RPC', database_name, params[0], params[1],
object_type, object_name, method) + tuple(params[2:])
res = dispatch(*args)
return res
class SimpleJSONRPCRequestHandler(GZipRequestHandlerMixin,
GenericJSONRPCRequestHandler,
SimpleXMLRPCServer.SimpleXMLRPCRequestHandler,
SimpleHTTPServer.SimpleHTTPRequestHandler):
"""Simple JSON-RPC request handler class.
Handles all HTTP POST requests and attempts to decode them as
JSON-RPC requests.
"""
protocol_version = "HTTP/1.1"
rpc_paths = None
encode_threshold = 1400 # common MTU
def send_header(self, keyword, value):
if keyword == 'Content-type' and value == 'text/xml':
value = 'application/json-rpc'
SimpleXMLRPCServer.SimpleXMLRPCRequestHandler.send_header(self,
keyword, value)
def translate_path(self, path):
"""Translate a /-separated PATH to the local filename syntax.
Components that mean special things to the local file system
(e.g. drive or directory names) are ignored. (XXX They should
probably be diagnosed.)
"""
# abandon query parameters
path = path.split('?', 1)[0]
path = path.split('#', 1)[0]
path = posixpath.normpath(urllib.unquote(path))
words = path.split('/')
words = filter(None, words)
path = CONFIG['jsondata_path']
for word in words:
drive, word = os.path.splitdrive(word)
head, word = os.path.split(word)
if word in (os.curdir, os.pardir): continue
path = os.path.join(path, word)
return path
class SecureJSONRPCRequestHandler(SimpleJSONRPCRequestHandler):
def setup(self):
self.connection = SSLSocket(self.request)
self.rfile = socket._fileobject(self.request, "rb", self.rbufsize)
self.wfile = socket._fileobject(self.request, "wb", self.wbufsize)
class SimpleJSONRPCServer(SocketServer.TCPServer,
SimpleJSONRPCDispatcher):
"""Simple JSON-RPC server.
Simple JSON-RPC server that allows functions and a single instance
to be installed to handle requests. The default implementation
attempts to dispatch JSON-RPC calls to the functions or instance
installed in the server. Override the _dispatch method inhereted
from SimpleJSONRPCDispatcher to change this behavior.
"""
allow_reuse_address = True
# Warning: this is for debugging purposes only! Never set this to True in
# production code, as will be sending out sensitive information (exception
# and stack trace details) when exceptions are raised inside
# SimpleJSONRPCRequestHandler.do_POST
_send_traceback_header = False
def __init__(self, addr, requestHandler=SimpleJSONRPCRequestHandler,
logRequests=True, allow_none=False, encoding=None,
bind_and_activate=True):
self.logRequests = logRequests
SimpleJSONRPCDispatcher.__init__(self, allow_none, encoding)
try:
SocketServer.TCPServer.__init__(self, addr, requestHandler,
bind_and_activate)
except TypeError:
SocketServer.TCPServer.__init__(self, addr, requestHandler)
# [Bug #1222790] If possible, set close-on-exec flag; if a
# method spawns a subprocess, the subprocess shouldn't have
# the listening socket open.
if fcntl is not None and hasattr(fcntl, 'FD_CLOEXEC'):
flags = fcntl.fcntl(self.fileno(), fcntl.F_GETFD)
flags |= fcntl.FD_CLOEXEC
fcntl.fcntl(self.fileno(), fcntl.F_SETFD, flags)
class SimpleThreadedJSONRPCServer(SocketServer.ThreadingMixIn,
SimpleJSONRPCServer):
timeout = 1
daemon_threads = True
def server_bind(self):
self.socket.setsockopt(socket.SOL_SOCKET,
socket.SO_REUSEADDR, 1)
SimpleJSONRPCServer.server_bind(self)
class SimpleThreadedJSONRPCServer6(SimpleThreadedJSONRPCServer):
address_family = socket.AF_INET6
class SecureThreadedJSONRPCServer(SimpleThreadedJSONRPCServer):
def __init__(self, server_address, HandlerClass, logRequests=1):
SimpleThreadedJSONRPCServer.__init__(self, server_address, HandlerClass,
logRequests)
self.socket = SSLSocket(socket.socket(self.address_family,
self.socket_type))
self.server_bind()
self.server_activate()
class SecureThreadedJSONRPCServer6(SecureThreadedJSONRPCServer):
address_family = socket.AF_INET6
class JSONRPCDaemon(daemon):
def __init__(self, interface, port, secure=False):
daemon.__init__(self, interface, port, secure, name='JSONRPCDaemon')
if self.secure:
handler_class = SecureJSONRPCRequestHandler
server_class = SecureThreadedJSONRPCServer
if self.ipv6:
server_class = SecureThreadedJSONRPCServer6
else:
handler_class = SimpleJSONRPCRequestHandler
server_class = SimpleThreadedJSONRPCServer
if self.ipv6:
server_class = SimpleThreadedJSONRPCServer6
self.server = server_class((interface, port), handler_class, 0)
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