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"""
"""
# Created on 2014.07.04
#
# Author: Giovanni Cannata
#
# Copyright 2014 - 2020 Giovanni Cannata
#
# This file is part of ldap3.
#
# ldap3 is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published
# by the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# ldap3 is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with ldap3 in the COPYING and COPYING.LESSER files.
# If not, see <http://www.gnu.org/licenses/>.
from ..core.results import RESULT_SUCCESS
from ..core.exceptions import LDAPExtensionError
from ..utils.asn1 import decoder
class ExtendedOperation(object):
def __init__(self, connection, controls=None):
self.connection = connection
self.decoded_response = None
self.result = None
self.asn1_spec = None # if None the response_value is returned without encoding
self.request_name = None
self.response_name = None
self.request_value = None
self.response_value = None
self.response_attribute = None
self.controls = controls
self.config()
def send(self):
if self.connection.check_names and self.connection.server.info is not None and self.connection.server.info.supported_extensions is not None: # checks if extension is supported
for request_name in self.connection.server.info.supported_extensions:
if request_name[0] == self.request_name:
break
else:
raise LDAPExtensionError('extension not in DSA list of supported extensions')
resp = self.connection.extended(self.request_name, self.request_value, self.controls)
if not self.connection.strategy.sync:
_, result = self.connection.get_response(resp)
else:
if self.connection.strategy.thread_safe:
_, result, _, _ = resp
else:
result = self.connection.result
self.result = result
self.decode_response(result)
self.populate_result()
self.set_response()
return self.response_value
def populate_result(self):
pass
def decode_response(self, response=None):
if not response:
response = self.result
if not response:
return None
if response['result'] not in [RESULT_SUCCESS]:
if self.connection.raise_exceptions:
raise LDAPExtensionError('extended operation error: ' + response['description'] + ' - ' + response['message'])
else:
return None
if not self.response_name or response['responseName'] == self.response_name:
if response['responseValue']:
if self.asn1_spec is not None:
decoded, unprocessed = decoder.decode(response['responseValue'], asn1Spec=self.asn1_spec)
if unprocessed:
raise LDAPExtensionError('error decoding extended response value')
self.decoded_response = decoded
else:
self.decoded_response = response['responseValue']
else:
raise LDAPExtensionError('invalid response name received')
def set_response(self):
self.response_value = self.result[self.response_attribute] if self.result and self.response_attribute in self.result else None
if not self.connection.strategy.thread_safe:
self.connection.response = self.response_value
def config(self):
pass
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