370 lines
13 KiB
Python
370 lines
13 KiB
Python
#This file is part of Tryton. The COPYRIGHT file at the top level of
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#this repository contains the full copyright notices and license terms.
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from trytond.protocols.sslsocket import SSLSocket
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from trytond.protocols.dispatcher import dispatch
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from trytond.config import CONFIG
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from trytond.protocols.common import daemon, RegisterHandlerMixin
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from trytond.exceptions import UserError, UserWarning, NotLogged, \
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ConcurrencyException
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import SimpleXMLRPCServer
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import SimpleHTTPServer
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import SocketServer
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import traceback
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import socket
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import sys
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import os
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try:
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import fcntl
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except ImportError:
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fcntl = None
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import posixpath
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import urllib
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import datetime
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from decimal import Decimal
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try:
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import simplejson as json
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except ImportError:
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import json
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import base64
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import encodings
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try:
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from cStringIO import StringIO
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except ImportError:
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from StringIO import StringIO
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def object_hook(dct):
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if '__class__' in dct:
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if dct['__class__'] == 'datetime':
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return datetime.datetime(dct['year'], dct['month'], dct['day'],
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dct['hour'], dct['minute'], dct['second'])
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elif dct['__class__'] == 'date':
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return datetime.date(dct['year'], dct['month'], dct['day'])
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elif dct['__class__'] == 'time':
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return datetime.time(dct['hour'], dct['minute'], dct['second'])
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elif dct['__class__'] == 'buffer':
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return buffer(base64.decodestring(dct['base64']))
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elif dct['__class__'] == 'Decimal':
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return Decimal(dct['decimal'])
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return dct
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class JSONEncoder(json.JSONEncoder):
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def __init__(self, *args, **kwargs):
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super(JSONEncoder, self).__init__(*args, **kwargs)
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# Force to use our custom decimal with simplejson
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self.use_decimal = False
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def default(self, obj):
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if isinstance(obj, datetime.date):
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if isinstance(obj, datetime.datetime):
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return {'__class__': 'datetime',
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'year': obj.year,
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'month': obj.month,
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'day': obj.day,
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'hour': obj.hour,
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'minute': obj.minute,
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'second': obj.second,
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}
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return {'__class__': 'date',
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'year': obj.year,
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'month': obj.month,
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'day': obj.day,
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}
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elif isinstance(obj, datetime.time):
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return {'__class__': 'time',
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'hour': obj.hour,
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'minute': obj.minute,
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'second': obj.second,
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}
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elif isinstance(obj, buffer):
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return {'__class__': 'buffer',
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'base64': base64.encodestring(obj),
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}
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elif isinstance(obj, Decimal):
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return {'__class__': 'Decimal',
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'decimal': str(obj),
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}
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return super(JSONEncoder, self).default(obj)
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class SimpleJSONRPCDispatcher(SimpleXMLRPCServer.SimpleXMLRPCDispatcher):
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"""Mix-in class that dispatches JSON-RPC requests.
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This class is used to register JSON-RPC method handlers
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and then to dispatch them. There should never be any
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reason to instantiate this class directly.
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"""
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def _marshaled_dispatch(self, data, dispatch_method=None, path=None):
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"""Dispatches an JSON-RPC method from marshalled (JSON) data.
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JSON-RPC methods are dispatched from the marshalled (JSON) data
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using the _dispatch method and the result is returned as
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marshalled data. For backwards compatibility, a dispatch
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function can be provided as an argument (see comment in
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SimpleJSONRPCRequestHandler.do_POST) but overriding the
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existing method through subclassing is the prefered means
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of changing method dispatch behavior.
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"""
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rawreq = json.loads(data, object_hook=object_hook)
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req_id = rawreq.get('id', 0)
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method = rawreq['method']
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params = rawreq.get('params', [])
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response = {'id': req_id}
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try:
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#generate response
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if dispatch_method is not None:
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response['result'] = dispatch_method(method, params)
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else:
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response['result'] = self._dispatch(method, params)
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except (UserError, UserWarning, NotLogged,
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ConcurrencyException), exception:
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response['error'] = exception.args
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except Exception:
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tb_s = ''.join(traceback.format_exception(*sys.exc_info()))
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for path in sys.path:
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tb_s = tb_s.replace(path, '')
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if CONFIG['debug_mode']:
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import pdb
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traceb = sys.exc_info()[2]
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pdb.post_mortem(traceb)
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# report exception back to server
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response['error'] = (str(sys.exc_value), tb_s)
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return json.dumps(response, cls=JSONEncoder)
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class GenericJSONRPCRequestHandler:
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def _dispatch(self, method, params):
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host, port = self.client_address[:2]
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database_name = self.path[1:]
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if database_name.startswith('sao/'):
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database_name = database_name[4:]
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method_list = method.split('.')
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object_type = method_list[0]
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object_name = '.'.join(method_list[1:-1])
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method = method_list[-1]
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args = (host, port, 'JSON-RPC', database_name, params[0], params[1],
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object_type, object_name, method) + tuple(params[2:])
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res = dispatch(*args)
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return res
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class SimpleJSONRPCRequestHandler(RegisterHandlerMixin,
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GenericJSONRPCRequestHandler,
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SimpleXMLRPCServer.SimpleXMLRPCRequestHandler,
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SimpleHTTPServer.SimpleHTTPRequestHandler):
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"""Simple JSON-RPC request handler class.
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Handles all HTTP POST requests and attempts to decode them as
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JSON-RPC requests.
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"""
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protocol_version = "HTTP/1.1"
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rpc_paths = None
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encode_threshold = 1400 # common MTU
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def send_header(self, keyword, value):
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if keyword == 'Content-type' and value == 'text/xml':
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value = 'application/json-rpc'
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SimpleXMLRPCServer.SimpleXMLRPCRequestHandler.send_header(self,
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keyword, value)
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def do_GET(self):
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if self.is_tryton_url(self.path):
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self.send_tryton_url(self.path)
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return
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SimpleHTTPServer.SimpleHTTPRequestHandler.do_GET(self)
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def do_HEAD(self):
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if self.is_tryton_url(self.path):
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self.send_tryton_url(self.path)
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return
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SimpleHTTPServer.SimpleHTTPRequestHandler.do_HEAD(self)
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def translate_path(self, path):
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"""Translate a /-separated PATH to the local filename syntax.
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Components that mean special things to the local file system
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(e.g. drive or directory names) are ignored. (XXX They should
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probably be diagnosed.)
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"""
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# abandon query parameters
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path = path.split('?', 1)[0]
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path = path.split('#', 1)[0]
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path = posixpath.normpath(urllib.unquote(path))
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words = path.split('/')
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words = filter(None, words)
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path = CONFIG['jsondata_path']
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for word in words:
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drive, word = os.path.splitdrive(word)
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head, word = os.path.split(word)
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if word in (os.curdir, os.pardir):
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continue
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path = os.path.join(path, word)
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return path
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def is_tryton_url(self, path):
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words = path.split('/')
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try:
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return words[2] in ('model', 'wizard', 'report')
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except IndexError:
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return False
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def send_tryton_url(self, path):
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self.send_response(300)
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hostname = CONFIG['hostname'] or unicode(socket.getfqdn(), 'utf8')
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hostname = '.'.join(encodings.idna.ToASCII(part) for part in
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hostname.split('.'))
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values = {
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'hostname': hostname,
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'path': path,
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}
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content = StringIO()
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content.write('<html')
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content.write('<head>')
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content.write('<meta http-equiv="Refresh" '
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'content="0;url=tryton://%(hostname)s%(path)s"/>' % values)
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content.write('<title>Moved</title>')
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content.write('</head>')
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content.write('<body>')
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content.write('<h1>Moved</h1>')
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content.write('<p>This page has moved to '
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'<a href="tryton://%(hostname)s%(path)s">'
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'tryton://%(hostname)s%(path)s</a>.</p>' % values)
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content.write('</body>')
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content.write('</html>')
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length = content.tell()
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content.seek(0)
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self.send_header('Location', 'tryton://%(hostname)s%(path)s' % values)
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self.send_header('Content-type', 'text/html')
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self.send_header('Content-Length', str(length))
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self.end_headers()
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self.copyfile(content, self.wfile)
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content.close()
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SimpleJSONRPCRequestHandler.extensions_map.update({
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'.svg': 'image/svg+xml',
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})
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class SecureJSONRPCRequestHandler(SimpleJSONRPCRequestHandler):
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def setup(self):
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self.request = SSLSocket(self.request)
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SimpleJSONRPCRequestHandler.setup(self)
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class SimpleJSONRPCServer(SocketServer.TCPServer,
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SimpleJSONRPCDispatcher):
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"""Simple JSON-RPC server.
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Simple JSON-RPC server that allows functions and a single instance
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to be installed to handle requests. The default implementation
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attempts to dispatch JSON-RPC calls to the functions or instance
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installed in the server. Override the _dispatch method inhereted
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from SimpleJSONRPCDispatcher to change this behavior.
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"""
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allow_reuse_address = True
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# Warning: this is for debugging purposes only! Never set this to True in
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# production code, as will be sending out sensitive information (exception
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# and stack trace details) when exceptions are raised inside
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# SimpleJSONRPCRequestHandler.do_POST
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_send_traceback_header = False
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def __init__(self, addr, requestHandler=SimpleJSONRPCRequestHandler,
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logRequests=True, allow_none=False, encoding=None,
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bind_and_activate=True):
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self.handlers = set()
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self.logRequests = logRequests
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SimpleJSONRPCDispatcher.__init__(self, allow_none, encoding)
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try:
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SocketServer.TCPServer.__init__(self, addr, requestHandler,
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bind_and_activate)
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except TypeError:
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SocketServer.TCPServer.__init__(self, addr, requestHandler)
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# [Bug #1222790] If possible, set close-on-exec flag; if a
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# method spawns a subprocess, the subprocess shouldn't have
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# the listening socket open.
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if fcntl is not None and hasattr(fcntl, 'FD_CLOEXEC'):
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flags = fcntl.fcntl(self.fileno(), fcntl.F_GETFD)
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flags |= fcntl.FD_CLOEXEC
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fcntl.fcntl(self.fileno(), fcntl.F_SETFD, flags)
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def server_close(self):
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SocketServer.TCPServer.server_close(self)
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for handler in self.handlers:
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self.shutdown_request(handler.request)
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if sys.version_info[:2] <= (2, 6):
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def shutdown_request(self, request):
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"""Called to shutdown and close an individual request."""
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try:
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#explicitly shutdown. socket.close() merely releases
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#the socket and waits for GC to perform the actual close.
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request.shutdown(socket.SHUT_WR)
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except socket.error:
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pass # some platforms may raise ENOTCONN here
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self.close_request(request)
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class SimpleThreadedJSONRPCServer(SocketServer.ThreadingMixIn,
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SimpleJSONRPCServer):
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timeout = 1
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daemon_threads = True
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disable_nagle_algorithm = True
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def server_bind(self):
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self.socket.setsockopt(socket.SOL_SOCKET,
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socket.SO_REUSEADDR, 1)
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self.socket.setsockopt(socket.SOL_SOCKET,
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socket.SO_KEEPALIVE, 1)
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SimpleJSONRPCServer.server_bind(self)
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class SimpleThreadedJSONRPCServer6(SimpleThreadedJSONRPCServer):
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address_family = socket.AF_INET6
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class SecureThreadedJSONRPCServer(SimpleThreadedJSONRPCServer):
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def __init__(self, server_address, HandlerClass, logRequests=1):
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SimpleThreadedJSONRPCServer.__init__(self, server_address,
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HandlerClass, logRequests)
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self.socket = socket.socket(self.address_family,
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self.socket_type)
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self.server_bind()
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self.server_activate()
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class SecureThreadedJSONRPCServer6(SecureThreadedJSONRPCServer):
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address_family = socket.AF_INET6
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class JSONRPCDaemon(daemon):
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def __init__(self, interface, port, secure=False):
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daemon.__init__(self, interface, port, secure, name='JSONRPCDaemon')
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if self.secure:
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handler_class = SecureJSONRPCRequestHandler
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server_class = SecureThreadedJSONRPCServer
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if self.ipv6:
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server_class = SecureThreadedJSONRPCServer6
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else:
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handler_class = SimpleJSONRPCRequestHandler
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server_class = SimpleThreadedJSONRPCServer
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if self.ipv6:
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server_class = SimpleThreadedJSONRPCServer6
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self.server = server_class((interface, port), handler_class, 0)
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