382 lines
13 KiB
Python
382 lines
13 KiB
Python
#!/usr/bin/env python3
|
|
|
|
import logging
|
|
import asyncio
|
|
import os
|
|
import hbmqtt
|
|
from hbmqtt.broker import Broker
|
|
from hbmqtt.client import MQTTClient
|
|
from hbmqtt.mqtt.constants import QOS_0, QOS_1, QOS_2
|
|
import pkg_resources
|
|
import time
|
|
import bumper
|
|
import json
|
|
from datetime import datetime, timedelta
|
|
import bumper
|
|
|
|
helperbotlog = logging.getLogger("helperbot")
|
|
boterrorlog = logging.getLogger("boterror")
|
|
mqttserverlog = logging.getLogger("mqttserver")
|
|
|
|
class MQTTHelperBot:
|
|
|
|
Client = None
|
|
wait_resp_timeout_seconds = 10
|
|
expire_msg_seconds = 10
|
|
|
|
def __init__(self, address):
|
|
self.address = address
|
|
self.client_id = "helper1@bumper/helper1"
|
|
self.command_responses = []
|
|
|
|
async def start_helper_bot(self):
|
|
|
|
try:
|
|
if self.Client is None:
|
|
self.Client = MQTTClient(
|
|
client_id=self.client_id, config={"check_hostname": False}
|
|
)
|
|
|
|
await self.Client.connect(
|
|
"mqtts://{}:{}/".format(self.address[0], self.address[1]),
|
|
cafile=bumper.ca_cert,
|
|
)
|
|
await self.Client.subscribe(
|
|
[
|
|
("iot/p2p/+/+/+/+/helper1/bumper/helper1/+/+/+", QOS_0),
|
|
("iot/p2p/+", QOS_0),
|
|
("iot/atr/+", QOS_0),
|
|
]
|
|
)
|
|
|
|
asyncio.create_task(self.get_msg())
|
|
|
|
except ConnectionRefusedError as e:
|
|
helperbotlog.Error(e)
|
|
pass
|
|
|
|
except asyncio.CancelledError as e:
|
|
pass
|
|
|
|
except hbmqtt.client.ConnectException as e:
|
|
helperbotlog.Error(e)
|
|
pass
|
|
|
|
except Exception as e:
|
|
helperbotlog.exception("{}".format(e))
|
|
|
|
async def get_msg(self):
|
|
while True:
|
|
message = await self.Client.deliver_message()
|
|
|
|
if str(message.topic).split("/")[6] == "helper1":
|
|
# Response to command
|
|
helperbotlog.debug(
|
|
"Received Response - Topic: {} - Message: {}".format(
|
|
message.topic, str(message.data.decode("utf-8"))
|
|
)
|
|
)
|
|
self.command_responses.append(
|
|
{
|
|
"time": time.time(),
|
|
"topic": message.topic,
|
|
"payload": str(message.data.decode("utf-8")),
|
|
}
|
|
)
|
|
elif str(message.topic).split("/")[3] == "helper1":
|
|
# Helperbot sending command
|
|
helperbotlog.debug(
|
|
"Send Command - Topic: {} - Message: {}".format(
|
|
message.topic, str(message.data.decode("utf-8"))
|
|
)
|
|
)
|
|
elif str(message.topic).split("/")[1] == "atr":
|
|
# Broadcast message received on atr
|
|
if str(message.topic).split("/")[2] == "errors":
|
|
boterrorlog.error(
|
|
"Received Error - Topic: {} - Message: {}".format(
|
|
message.topic, str(message.data.decode("utf-8"))
|
|
)
|
|
)
|
|
else:
|
|
helperbotlog.debug(
|
|
"Received Broadcast - Topic: {} - Message: {}".format(
|
|
message.topic, str(message.data.decode("utf-8"))
|
|
)
|
|
)
|
|
|
|
else:
|
|
helperbotlog.debug(
|
|
"Received Message - Topic: {} - Message: {}".format(
|
|
message.topic, str(message.data.decode("utf-8"))
|
|
)
|
|
)
|
|
|
|
# Cleanup "expired messages" > 60 seconds from time
|
|
for msg in self.command_responses:
|
|
expire_time = (
|
|
datetime.fromtimestamp(msg["time"])
|
|
+ timedelta(seconds=self.expire_msg_seconds)
|
|
).timestamp()
|
|
if time.time() > expire_time:
|
|
helperbotlog.debug(
|
|
"Pruning Message Due To Expiration - Message Topic: {}".format(
|
|
msg["topic"]
|
|
)
|
|
)
|
|
self.command_responses.remove(msg)
|
|
|
|
async def wait_for_resp(self, requestid):
|
|
try:
|
|
|
|
t_end = (
|
|
datetime.now() + timedelta(seconds=self.wait_resp_timeout_seconds)
|
|
).timestamp()
|
|
|
|
while time.time() < t_end:
|
|
await asyncio.sleep(0.1)
|
|
if len(self.command_responses) > 0:
|
|
for msg in self.command_responses:
|
|
topic = str(msg["topic"]).split("/")
|
|
if topic[6] == "helper1" and topic[10] == requestid:
|
|
# helperbotlog.debug('VacBot MQTT Response: Topic: %s Payload: %s' % (msg['topic'], msg['payload']))
|
|
if topic[11] == "j":
|
|
resppayload = json.loads(msg["payload"])
|
|
else:
|
|
resppayload = str(msg["payload"])
|
|
resp = {"id": requestid, "ret": "ok", "resp": resppayload}
|
|
self.command_responses.remove(msg)
|
|
return resp
|
|
|
|
return {
|
|
"id": requestid,
|
|
"errno": 500,
|
|
"ret": "fail",
|
|
"debug": "wait for response timed out",
|
|
}
|
|
except asyncio.CancelledError as e:
|
|
helperbotlog.debug("wait_for_resp cancelled by asyncio")
|
|
return {
|
|
"id": requestid,
|
|
"errno": 500,
|
|
"ret": "fail",
|
|
"debug": "wait for response timed out",
|
|
}
|
|
except Exception as e:
|
|
helperbotlog.exception("{}".format(e))
|
|
return {
|
|
"id": requestid,
|
|
"errno": 500,
|
|
"ret": "fail",
|
|
"debug": "wait for response timed out",
|
|
}
|
|
|
|
async def send_command(self, cmdjson, requestid):
|
|
if not self.Client._handler.writer is None:
|
|
try:
|
|
ttopic = "iot/p2p/{}/helper1/bumper/helper1/{}/{}/{}/q/{}/{}".format(
|
|
cmdjson["cmdName"],
|
|
cmdjson["toId"],
|
|
cmdjson["toType"],
|
|
cmdjson["toRes"],
|
|
requestid,
|
|
cmdjson["payloadType"],
|
|
)
|
|
try:
|
|
if cmdjson["payloadType"] == "x":
|
|
await self.Client.publish(
|
|
ttopic, str(cmdjson["payload"]).encode(), QOS_0
|
|
)
|
|
|
|
if cmdjson["payloadType"] == "j":
|
|
await self.Client.publish(
|
|
ttopic, json.dumps(cmdjson["payload"]).encode(), QOS_0
|
|
)
|
|
|
|
except Exception as e:
|
|
helperbotlog.exception("{}".format(e))
|
|
|
|
resp = await self.wait_for_resp(requestid)
|
|
|
|
return resp
|
|
|
|
except Exception as e:
|
|
helperbotlog.exception("{}".format(e))
|
|
return {}
|
|
|
|
|
|
class MQTTServer:
|
|
default_config = {}
|
|
broker = None
|
|
|
|
async def broker_coro(self):
|
|
|
|
mqttserverlog.info(
|
|
"Starting MQTT Server at {}:{}".format(self.address[0], self.address[1])
|
|
)
|
|
self.broker = hbmqtt.broker.Broker(config=self.default_config)
|
|
|
|
try:
|
|
await self.broker.start()
|
|
|
|
except hbmqtt.broker.BrokerException as e:
|
|
mqttserverlog.exception(e)
|
|
asyncio.create_task(bumper.shutdown())
|
|
pass
|
|
|
|
except Exception as e:
|
|
mqttserverlog.exception("{}".format(e))
|
|
asyncio.create_task(bumper.shutdown())
|
|
|
|
def __init__(self, address):
|
|
try:
|
|
self.address = address
|
|
|
|
# The below adds a plugin to the hbmqtt.broker.plugins without having to futz with setup.py
|
|
distribution = pkg_resources.Distribution("hbmqtt.broker.plugins")
|
|
bumper_plugin = pkg_resources.EntryPoint.parse(
|
|
"bumper = bumper.mqttserver:BumperMQTTServer_Plugin", dist=distribution
|
|
)
|
|
distribution._ep_map = {"hbmqtt.broker.plugins": {"bumper": bumper_plugin}}
|
|
pkg_resources.working_set.add(distribution)
|
|
|
|
# Initialize bot server
|
|
self.default_config = {
|
|
"listeners": {
|
|
"default": {"type": "tcp"},
|
|
"tls1": {
|
|
"bind": "{}:{}".format(address[0], address[1]),
|
|
"ssl": "on",
|
|
"certfile": bumper.server_cert,
|
|
"keyfile": bumper.server_key,
|
|
},
|
|
},
|
|
"sys_interval": 10,
|
|
"auth": {
|
|
"allow-anonymous": False,
|
|
"password-file": os.path.join(
|
|
os.path.dirname(os.path.realpath(__file__)), "passwd"
|
|
),
|
|
"plugins": ["bumper"], # No plugins == no auth
|
|
},
|
|
"topic-check": {"enabled": False},
|
|
}
|
|
|
|
except Exception as e:
|
|
mqttserverlog.exception("{}".format(e))
|
|
|
|
|
|
class BumperMQTTServer_Plugin:
|
|
def __init__(self, context):
|
|
self.context = context
|
|
try:
|
|
self.auth_config = self.context.config["auth"]
|
|
|
|
except KeyError:
|
|
self.context.logger.warning(
|
|
"'bumper' section not found in context configuration"
|
|
)
|
|
except Exception as e:
|
|
mqttserverlog.exception("{}".format(e))
|
|
|
|
async def authenticate(self, *args, **kwargs):
|
|
if not self.auth_config:
|
|
# auth config section not found
|
|
self.context.logger.warning(
|
|
"'auth' section not found in context configuration"
|
|
)
|
|
return False
|
|
|
|
allow_anonymous = self.auth_config.get(
|
|
"allow-anonymous", True
|
|
) # allow anonymous by default
|
|
if allow_anonymous:
|
|
authenticated = True
|
|
self.context.logger.debug("Authentication success: config allows anonymous")
|
|
else:
|
|
try:
|
|
session = kwargs.get("session", None)
|
|
username = session.username
|
|
password = session.password
|
|
client_id = session.client_id
|
|
|
|
didsplit = str(client_id).split("@")
|
|
if not ( # if ecouser or bumper aren't in details it is a bot
|
|
"ecouser" in didsplit[1] or "bumper" in didsplit[1]
|
|
):
|
|
tmpbotdetail = str(didsplit[1]).split("/")
|
|
bumper.bot_add(
|
|
username,
|
|
didsplit[0],
|
|
tmpbotdetail[0],
|
|
tmpbotdetail[1],
|
|
"eco-ng",
|
|
)
|
|
|
|
mqttserverlog.info(
|
|
"bot authenticated SN: {} DID: {}".format(username, didsplit[0])
|
|
)
|
|
authenticated = True
|
|
|
|
else:
|
|
tmpclientdetail = str(didsplit[1]).split("/")
|
|
userid = didsplit[0]
|
|
realm = tmpclientdetail[0]
|
|
resource = tmpclientdetail[1]
|
|
|
|
if userid == "helper1":
|
|
authenticated = True
|
|
else:
|
|
auth = False
|
|
if bumper.check_authcode(didsplit[0], password):
|
|
auth = True
|
|
elif bumper.use_auth == False:
|
|
auth = True
|
|
|
|
if auth:
|
|
bumper.client_add(userid, realm, resource)
|
|
mqttserverlog.info("client authenticated {}".format(userid))
|
|
authenticated = True
|
|
|
|
else:
|
|
authenticated = False
|
|
|
|
except Exception as e:
|
|
mqttserverlog.exception(
|
|
"Session: {} - {}".format((kwargs.get("session", None)), e)
|
|
)
|
|
authenticated = False
|
|
|
|
return authenticated
|
|
|
|
async def on_broker_client_connected(self, client_id):
|
|
|
|
didsplit = str(client_id).split("@")
|
|
|
|
bot = bumper.bot_get(didsplit[0])
|
|
if bot:
|
|
bumper.bot_set_mqtt(bot["did"], True)
|
|
return
|
|
|
|
# clientuserid = didsplit[0]
|
|
clientresource = didsplit[1].split("/")[1]
|
|
client = bumper.client_get(clientresource)
|
|
if client:
|
|
bumper.client_set_mqtt(client["resource"], True)
|
|
return
|
|
|
|
async def on_broker_client_disconnected(self, client_id):
|
|
|
|
didsplit = str(client_id).split("@")
|
|
|
|
bot = bumper.bot_get(didsplit[0])
|
|
if bot:
|
|
bumper.bot_set_mqtt(bot["did"], False)
|
|
return
|
|
|
|
# clientuserid = didsplit[0]
|
|
clientresource = didsplit[1].split("/")[1]
|
|
client = bumper.client_get(clientresource)
|
|
if client:
|
|
bumper.client_set_mqtt(client["resource"], False)
|
|
return
|