import xmlrpclib
from zope.interface import implements
from twisted.internet import defer
from twisted.cred import checkers
from twisted.cred import credentials
class ZopeChecker(object):
'''
A Zope cred checker for twisted applications.
'''
implements(checkers.ICredentialsChecker)
credentialInterfaces = (credentials.IUsernamePassword,)
def __init__(self, host, port=8080, scheme="https", path="/"):
self.scheme = scheme
self.host = host
self.port = port
self.path = path
def requestAvatarId(self, c):
'''
Please, please for the love of all that is holy to you,
make sure that your scheme is 'https'
'''
url = '%s://%s:%s@%s:%s%s' % (self.scheme, c.username, c.password,
self.host, self.port, self.path)
server = xmlrpclib.ServerProxy(url)
info = server.getXMLRPCUserInfo()
if info.get('authenticated'):
return defer.succeed(c.username)
else:
return defer.fail(error.UnauthorizedLogin())
