def POST(self, request, **kwargs):
try:
aws_msg = json.loads(request.body)
self._log.info("%s on %s" % (aws_msg['Type'], aws_msg['TopicArn']))
if aws_msg['TopicArn'] == self._topicArn:
aws = SNS(aws_msg)
if settings.EVENT_VALIDATE_SNS_SIGNATURE:
aws.validate()
if aws_msg['Type'] == 'Notification':
enrollment = Enrollment(aws.extract())
if settings.EVENT_VALIDATE_ENROLLMENT_SIGNATURE:
enrollment.validate()
enrollment.process()
elif aws_msg['Type'] == 'SubscriptionConfirmation':
self._log.info('SubscribeURL: %s' % (
aws_msg['SubscribeURL']))
aws.subscribe()
else:
self._log.error('Unrecognized TopicARN : %s' % (
aws_msg['TopicArn']))
return self.error_response(400, "Invalid TopicARN")
except ValueError as err:
self._log.error('JSON : %s' % err)
return self.error_response(400, "Invalid JSON")
except EventException, err:
self._log.error("ENROLLMENT: %s" % (err))
return self.error_response(500, "Internal Server Error")
def gather_events(self):
to_fetch = self._settings.get('MESSAGE_GATHER_SIZE')
while to_fetch > 0:
n = min([to_fetch, 10])
msgs = self._queue.get_messages(
num_messages=n,
visibility_timeout=self._settings.get('VISIBILITY_TIMEOUT'))
for msg in msgs:
try:
sqs_msg = json.loads(msg.get_body())
if sqs_msg['TopicArn'] == self._topicArn:
raw_message = SNS(sqs_msg)
if self._settings.get('VALIDATE_SNS_SIGNATURE', True):
raw_message.validate()
if sqs_msg['Type'] == 'Notification':
settings = self._settings.get(
'PAYLOAD_SETTINGS', {})
message = raw_message.extract()
self._processor(settings, message).process()
elif sqs_msg['Type'] == 'SubscriptionConfirmation':
self._log.debug(
'SubscribeURL: ' + sqs_msg['SubscribeURL'])
else:
self._log.warning(
'Unrecognized TopicARN : ' + sqs_msg['TopicArn'])
except ValueError as err:
raise GatherException('JSON : %s' % err)
except self._exception, err:
raise GatherException("MESSAGE: %s" % err)
except SNSException, err:
raise GatherException("SNS: %s" % err)
except Exception, err:
self._log.exception("Gather Error")
raise GatherException("ERROR: %s" % err)
