187 lines
8.0 KiB
Python
187 lines
8.0 KiB
Python
# -*- coding: utf-8 -*-
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# Part of Odoo. See LICENSE file for full copyright and licensing details.
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"""
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WSGI stack, common code.
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"""
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import httplib
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import urllib
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import xmlrpclib
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import StringIO
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import errno
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import logging
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import platform
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import socket
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import sys
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import threading
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import traceback
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import werkzeug.serving
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import werkzeug.contrib.fixers
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import odoo
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import odoo.tools.config as config
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_logger = logging.getLogger(__name__)
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# XML-RPC fault codes. Some care must be taken when changing these: the
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# constants are also defined client-side and must remain in sync.
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# User code must use the exceptions defined in ``odoo.exceptions`` (not
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# create directly ``xmlrpclib.Fault`` objects).
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RPC_FAULT_CODE_CLIENT_ERROR = 1 # indistinguishable from app. error.
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RPC_FAULT_CODE_APPLICATION_ERROR = 1
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RPC_FAULT_CODE_WARNING = 2
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RPC_FAULT_CODE_ACCESS_DENIED = 3
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RPC_FAULT_CODE_ACCESS_ERROR = 4
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def xmlrpc_return(start_response, service, method, params, string_faultcode=False):
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"""
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Helper to call a service's method with some params, using a wsgi-supplied
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``start_response`` callback.
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This is the place to look at to see the mapping between core exceptions
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and XML-RPC fault codes.
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"""
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# Map OpenERP core exceptions to XML-RPC fault codes. Specific exceptions
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# defined in ``odoo.exceptions`` are mapped to specific fault codes;
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# all the other exceptions are mapped to the generic
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# RPC_FAULT_CODE_APPLICATION_ERROR value.
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# This also mimics SimpleXMLRPCDispatcher._marshaled_dispatch() for
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# exception handling.
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try:
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result = odoo.http.dispatch_rpc(service, method, params)
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response = xmlrpclib.dumps((result,), methodresponse=1, allow_none=False, encoding=None)
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except Exception, e:
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if string_faultcode:
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response = xmlrpc_handle_exception_string(e)
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else:
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response = xmlrpc_handle_exception_int(e)
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start_response("200 OK", [('Content-Type','text/xml'), ('Content-Length', str(len(response)))])
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return [response]
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def xmlrpc_handle_exception_int(e):
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if isinstance(e, odoo.exceptions.UserError):
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fault = xmlrpclib.Fault(RPC_FAULT_CODE_WARNING, odoo.tools.ustr(e.name))
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response = xmlrpclib.dumps(fault, allow_none=False, encoding=None)
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elif isinstance(e, odoo.exceptions.RedirectWarning):
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fault = xmlrpclib.Fault(RPC_FAULT_CODE_WARNING, str(e))
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response = xmlrpclib.dumps(fault, allow_none=False, encoding=None)
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elif isinstance(e, odoo.exceptions.MissingError):
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fault = xmlrpclib.Fault(RPC_FAULT_CODE_WARNING, str(e))
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response = xmlrpclib.dumps(fault, allow_none=False, encoding=None)
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elif isinstance (e, odoo.exceptions.AccessError):
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fault = xmlrpclib.Fault(RPC_FAULT_CODE_ACCESS_ERROR, str(e))
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response = xmlrpclib.dumps(fault, allow_none=False, encoding=None)
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elif isinstance(e, odoo.exceptions.AccessDenied):
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fault = xmlrpclib.Fault(RPC_FAULT_CODE_ACCESS_DENIED, str(e))
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response = xmlrpclib.dumps(fault, allow_none=False, encoding=None)
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elif isinstance(e, odoo.exceptions.DeferredException):
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info = e.traceback
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# Which one is the best ?
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formatted_info = "".join(traceback.format_exception(*info))
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#formatted_info = odoo.tools.exception_to_unicode(e) + '\n' + info
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fault = xmlrpclib.Fault(RPC_FAULT_CODE_APPLICATION_ERROR, formatted_info)
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response = xmlrpclib.dumps(fault, allow_none=False, encoding=None)
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else:
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if hasattr(e, 'message') and e.message == 'AccessDenied': # legacy
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fault = xmlrpclib.Fault(RPC_FAULT_CODE_ACCESS_DENIED, str(e))
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response = xmlrpclib.dumps(fault, allow_none=False, encoding=None)
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#InternalError
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else:
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info = sys.exc_info()
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# Which one is the best ?
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formatted_info = "".join(traceback.format_exception(*info))
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#formatted_info = odoo.tools.exception_to_unicode(e) + '\n' + info
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fault = xmlrpclib.Fault(RPC_FAULT_CODE_APPLICATION_ERROR, formatted_info)
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response = xmlrpclib.dumps(fault, allow_none=None, encoding=None)
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return response
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def xmlrpc_handle_exception_string(e):
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if isinstance(e, odoo.exceptions.UserError):
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fault = xmlrpclib.Fault('warning -- %s\n\n%s' % (e.name, e.value), '')
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response = xmlrpclib.dumps(fault, allow_none=False, encoding=None)
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elif isinstance(e, odoo.exceptions.RedirectWarning):
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fault = xmlrpclib.Fault('warning -- Warning\n\n' + str(e), '')
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elif isinstance(e, odoo.exceptions.MissingError):
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fault = xmlrpclib.Fault('warning -- MissingError\n\n' + str(e), '')
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response = xmlrpclib.dumps(fault, allow_none=False, encoding=None)
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elif isinstance(e, odoo.exceptions.AccessError):
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fault = xmlrpclib.Fault('warning -- AccessError\n\n' + str(e), '')
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response = xmlrpclib.dumps(fault, allow_none=False, encoding=None)
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elif isinstance(e, odoo.exceptions.AccessDenied):
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fault = xmlrpclib.Fault('AccessDenied', str(e))
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response = xmlrpclib.dumps(fault, allow_none=False, encoding=None)
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elif isinstance(e, odoo.exceptions.DeferredException):
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info = e.traceback
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formatted_info = "".join(traceback.format_exception(*info))
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fault = xmlrpclib.Fault(odoo.tools.ustr(e.message), formatted_info)
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response = xmlrpclib.dumps(fault, allow_none=False, encoding=None)
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#InternalError
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else:
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info = sys.exc_info()
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formatted_info = "".join(traceback.format_exception(*info))
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fault = xmlrpclib.Fault(odoo.tools.exception_to_unicode(e), formatted_info)
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response = xmlrpclib.dumps(fault, allow_none=None, encoding=None)
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return response
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def wsgi_xmlrpc(environ, start_response):
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""" Two routes are available for XML-RPC
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/xmlrpc/<service> route returns faultCode as strings. This is a historic
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violation of the protocol kept for compatibility.
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/xmlrpc/2/<service> is a new route that returns faultCode as int and is
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therefore fully compliant.
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"""
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if environ['REQUEST_METHOD'] == 'POST' and environ['PATH_INFO'].startswith('/xmlrpc/'):
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length = int(environ['CONTENT_LENGTH'])
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data = environ['wsgi.input'].read(length)
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# Distinguish betweed the 2 faultCode modes
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string_faultcode = True
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if environ['PATH_INFO'].startswith('/xmlrpc/2/'):
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service = environ['PATH_INFO'][len('/xmlrpc/2/'):]
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string_faultcode = False
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else:
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service = environ['PATH_INFO'][len('/xmlrpc/'):]
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params, method = xmlrpclib.loads(data)
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return xmlrpc_return(start_response, service, method, params, string_faultcode)
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def application_unproxied(environ, start_response):
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""" WSGI entry point."""
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# cleanup db/uid trackers - they're set at HTTP dispatch in
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# web.session.OpenERPSession.send() and at RPC dispatch in
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# odoo.service.web_services.objects_proxy.dispatch().
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# /!\ The cleanup cannot be done at the end of this `application`
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# method because werkzeug still produces relevant logging afterwards
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if hasattr(threading.current_thread(), 'uid'):
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del threading.current_thread().uid
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if hasattr(threading.current_thread(), 'dbname'):
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del threading.current_thread().dbname
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if hasattr(threading.current_thread(), 'url'):
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del threading.current_thread().url
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with odoo.api.Environment.manage():
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# Try all handlers until one returns some result (i.e. not None).
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for handler in [wsgi_xmlrpc, odoo.http.root]:
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result = handler(environ, start_response)
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if result is None:
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continue
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return result
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# We never returned from the loop.
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response = 'No handler found.\n'
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start_response('404 Not Found', [('Content-Type', 'text/plain'), ('Content-Length', str(len(response)))])
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return [response]
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def application(environ, start_response):
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if config['proxy_mode'] and 'HTTP_X_FORWARDED_HOST' in environ:
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return werkzeug.contrib.fixers.ProxyFix(application_unproxied)(environ, start_response)
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else:
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return application_unproxied(environ, start_response)
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