def _try_auth(self):
"""Try to authenticate using the first one of allowed authentication
methods left.
[client only]"""
if self.authenticated:
self.__logger.debug("try_auth: already authenticated")
return
self.__logger.debug("trying auth: %r" % (self._auth_methods_left,))
if not self._auth_methods_left:
raise LegacyAuthenticationError,"No allowed authentication methods available"
method=self._auth_methods_left[0]
if method.startswith("sasl:"):
return ClientStream._try_auth(self)
elif method not in ("plain","digest"):
self._auth_methods_left.pop(0)
self.__logger.debug("Skipping unknown auth method: %s" % method)
return self._try_auth()
elif self.available_auth_methods is not None:
self._auth_methods_left.pop(0)
if method in self.available_auth_methods:
self.auth_method_used=method
if method=="digest":
self._digest_auth_stage2(self.auth_stanza)
else:
self._plain_auth_stage2(self.auth_stanza)
self.auth_stanza=None
return
else:
self.__logger.debug("Skipping unavailable auth method: %s" % method)
return self._try_auth()
else:
self._auth_stage1()
def _try_auth(self):
"""Try to authenticate using the first one of allowed authentication
methods left.
[client only]"""
if self.authenticated:
self.__logger.debug("try_auth: already authenticated")
return
self.__logger.debug("trying auth: %r" % (self._auth_methods_left, ))
if not self._auth_methods_left:
raise LegacyAuthenticationError, "No allowed authentication methods available"
method = self._auth_methods_left[0]
if method.startswith("sasl:"):
return ClientStream._try_auth(self)
elif method not in ("plain", "digest"):
self._auth_methods_left.pop(0)
self.__logger.debug("Skipping unknown auth method: %s" % method)
return self._try_auth()
elif self.available_auth_methods is not None:
self._auth_methods_left.pop(0)
if method in self.available_auth_methods:
self.auth_method_used = method
if method == "digest":
self._digest_auth_stage2(self.auth_stanza)
else:
self._plain_auth_stage2(self.auth_stanza)
self.auth_stanza = None
return
else:
self.__logger.debug("Skipping unavailable auth method: %s" %
method)
return self._try_auth()
else:
self._auth_stage1()
