mirror of https://github.com/D4-project/d4-core
chg: [server] map active_connection by type + Auto kick connection with same uuid-type
parent
eb2cafbafa
commit
7144b56ad8
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@ -75,14 +75,18 @@ class Echo(Protocol, TimeoutMixin):
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self.setTimeout(timeout_time)
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self.session_uuid = str(uuid.uuid4())
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self.data_saved = False
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self.first_connection = True
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self.stream_max_size = None
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self.hmac_key = None
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#self.version = None
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self.type = None
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self.uuid = None
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logger.debug('New session: session_uuid={}'.format(self.session_uuid))
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def dataReceived(self, data):
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self.resetTimeout()
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ip, source_port = self.transport.client
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if self.data_saved == False:
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if self.first_connection:
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logger.debug('New connection, ip={}, port={} session_uuid={}'.format(ip, source_port, self.session_uuid))
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# check blacklisted_ip
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if redis_server_metadata.sismember('blacklist_ip', ip):
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@ -99,6 +103,7 @@ class Echo(Protocol, TimeoutMixin):
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def connectionLost(self, reason):
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redis_server_stream.sadd('ended_session', self.session_uuid)
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self.setTimeout(None)
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redis_server_stream.srem('active_connection:{}'.format(self.type), '{}:{}'.format(self.transport.client[0], self.uuid))
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logger.debug('Connection closed: session_uuid={}'.format(self.session_uuid))
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def unpack_header(self, data):
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@ -160,6 +165,24 @@ class Echo(Protocol, TimeoutMixin):
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data_header = self.unpack_header(data)
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if data_header:
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if self.is_valid_header(data_header['uuid_header'], data_header['type']):
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# auto kill connection # TODO: map type
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if self.first_connection:
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self.first_connection = False
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if redis_server_stream.sismember('active_connection:{}'.format(data_header['type']), '{}:{}'.format(ip, data_header['uuid_header'])):
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# same IP-type for an UUID
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logger.warning('is using the same UUID for one type, ip={} uuid={} type={} session_uuid={}'.format(ip, data_header['uuid_header'], data_header['type'], self.session_uuid))
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redis_server_metadata.hset('metadata_uuid:{}'.format(data_header['uuid_header']), 'Error', 'Error: This UUID is using the same UUID for one type={}'.format(data_header['type']))
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self.transport.abortConnection()
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else:
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#self.version = None
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self.type = data_header['type']
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self.uuid = data_header['uuid_header']
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#active Connection
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redis_server_stream.sadd('active_connection:{}'.format(self.type), '{}:{}'.format(ip, self.uuid))
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# Clean Error Message
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redis_server_metadata.hdel('metadata_uuid:{}'.format(data_header['uuid_header']), 'Error')
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# check data size
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if data_header['size'] == (len(data) - header_size):
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self.process_d4_data(data, data_header, ip)
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@ -270,7 +293,6 @@ class Echo(Protocol, TimeoutMixin):
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if not self.data_saved:
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redis_server_stream.sadd('session_uuid:{}'.format(data_header['type']), self.session_uuid.encode())
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redis_server_stream.hset('map-type:session_uuid-uuid:{}'.format(data_header['type']), self.session_uuid, data_header['uuid_header'])
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redis_server_metadata.hdel('metadata_uuid:{}'.format(data_header['uuid_header']), 'Error')
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#UUID IP: ## TODO: use d4 timestamp ?
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redis_server_metadata.lpush('list_uuid_ip:{}'.format(data_header['uuid_header']), '{}-{}'.format(ip, datetime.datetime.now().strftime("%Y%m%d%H%M%S")))
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