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"""XML-RPC utilities.
:copyright: 2003-2008 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
:contact: http://www.logilab.fr/ -- mailto:contact@logilab.fr
:license: General Public License version 2 - http://www.gnu.org/licenses
"""
__docformat__ = "restructuredtext en"
import xmlrpclib
from base64 import encodestring
#from cStringIO import StringIO
ProtocolError = xmlrpclib.ProtocolError
## class BasicAuthTransport(xmlrpclib.Transport):
## def __init__(self, username=None, password=None):
## self.username = username
## self.password = password
## self.verbose = None
## self.has_ssl = httplib.__dict__.has_key("HTTPConnection")
## def request(self, host, handler, request_body, verbose=None):
## # issue XML-RPC request
## if self.has_ssl:
## if host.startswith("https:"): h = httplib.HTTPSConnection(host)
## else: h = httplib.HTTPConnection(host)
## else: h = httplib.HTTP(host)
## h.putrequest("POST", handler)
## # required by HTTP/1.1
## if not self.has_ssl: # HTTPConnection already does 1.1
## h.putheader("Host", host)
## h.putheader("Connection", "close")
## if request_body: h.send(request_body)
## if self.has_ssl:
## response = h.getresponse()
## if response.status != 200:
## raise xmlrpclib.ProtocolError(host + handler,
## response.status,
## response.reason,
## response.msg)
## file = response.fp
## else:
## errcode, errmsg, headers = h.getreply()
## if errcode != 200:
## raise xmlrpclib.ProtocolError(host + handler, errcode,
## errmsg, headers)
## file = h.getfile()
## return self.parse_response(file)
class AuthMixin:
"""basic http authentication mixin for xmlrpc transports"""
def __init__(self, username, password, encoding):
self.verbose = 0
self.username = username
self.password = password
self.encoding = encoding
def request(self, host, handler, request_body, verbose=0):
"""issue XML-RPC request"""
h = self.make_connection(host)
h.putrequest("POST", handler)
# required by XML-RPC
h.putheader("User-Agent", self.user_agent)
h.putheader("Content-Type", "text/xml")
h.putheader("Content-Length", str(len(request_body)))
h.putheader("Host", host)
h.putheader("Connection", "close")
# basic auth
if self.username is not None and self.password is not None:
h.putheader("AUTHORIZATION", "Basic %s" % encodestring(
"%s:%s" % (self.username, self.password)).replace("\012", ""))
h.endheaders()
# send body
if request_body:
h.send(request_body)
# get and check reply
errcode, errmsg, headers = h.getreply()
if errcode != 200:
raise ProtocolError(host + handler, errcode, errmsg, headers)
file = h.getfile()
## # FIXME: encoding ??? iirc, this fix a bug in xmlrpclib but...
## data = h.getfile().read()
## if self.encoding != 'UTF-8':
## data = data.replace("version='1.0'",
## "version='1.0' encoding='%s'" % self.encoding)
## result = StringIO()
## result.write(data)
## result.seek(0)
## return self.parse_response(result)
return self.parse_response(file)
class BasicAuthTransport(AuthMixin, xmlrpclib.Transport):
"""basic http authentication transport"""
class BasicAuthSafeTransport(AuthMixin, xmlrpclib.SafeTransport):
"""basic https authentication transport"""
def connect(url, user=None, passwd=None, encoding='ISO-8859-1'):
"""return an xml rpc server on <url>, using user / password if specified
"""
if user or passwd:
assert user and passwd is not None
if url.startswith('https://'):
transport = BasicAuthSafeTransport(user, passwd, encoding)
else:
transport = BasicAuthTransport(user, passwd, encoding)
else:
transport = None
server = xmlrpclib.ServerProxy(url, transport, encoding=encoding)
return server
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