def get_controls(controls):
for control_type, criticality, control_value in controls:
if control_type == PagedResultsControl.control_type:
return [PagedResultsControl.fromBER(criticality, control_value)]
elif criticality:
raise ldaperrors.LDAPUnavailableCriticalExtension(
'Unknown control %s' % control_type)
return []
def fromBER(cls, criticality, control_value):
ber_context = pureber.BERDecoderContext()
obj, _ = pureber.berDecodeObject(ber_context, control_value)
size = obj[0].value
cookie = obj[1].value
if size <= 0:
raise ldaperrors.LDAPUnavailableCriticalExtension(
'Page size must be greater than 0')
if cookie:
obj, _ = pureber.berDecodeObject(ber_context, cookie)
remain_count = obj[0].value
last_id = obj[1].value
else:
remain_count = None
last_id = 0
return cls(criticality, size, remain_count, last_id)
def checkControls(self, controls):
if controls is not None:
for controlType, criticality, controlValue in controls:
if criticality:
raise ldaperrors.LDAPUnavailableCriticalExtension(
'Unknown control %s' % controlType)