909 lines
38 KiB
Python
909 lines
38 KiB
Python
#!/usr/bin/env python3
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from threading import Thread
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import sys, socket, threading, re, time, logging, uuid, xml.etree.ElementTree as ET
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import base64
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import ssl
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import bumper
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import asyncio, functools
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xmppserverlog = logging.getLogger("xmppserver")
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class XMPPServer:
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server_id = "ecouser.net"
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client_id = None
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clients = []
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exit_flag = False
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server_cert = "./certs/cert.pem"
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server_key = "./certs/key.pem"
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ssl_ctx = ssl.create_default_context(ssl.Purpose.CLIENT_AUTH)
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ssl_ctx.load_cert_chain(server_cert, server_key)
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def __init__(self, address):
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# Initialize bot server
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self.address = address
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async def async_server(self):
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xmppserverlog.info(
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"Starting XMPP Server at {}:{}".format(self.address[0], self.address[1])
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)
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#if self.usessl:
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ssl_ctx = ssl.create_default_context(ssl.Purpose.CLIENT_AUTH)
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ssl_ctx.load_cert_chain(bumper.server_cert, bumper.server_key)
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#server = await asyncio.start_server(
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# self.accept_client, self.address[0], self.address[1],ssl=ssl_ctx,
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#)
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#else:
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server = await asyncio.start_server(
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self.accept_client, self.address[0], self.address[1]
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)
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await server.serve_forever()
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# self.clients = {} # task -> (reader, writer)
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def accept_client(self, client_reader, client_writer):
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try:
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aclient = XMPPAsyncClient(client_reader, client_writer)
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task = asyncio.Task(aclient.handle_async_client())
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aclient._async_task = task
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self.clients.append(aclient)
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def client_done(aclient, task):
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try:
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self.clients.remove(aclient)
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xmppserverlog.debug("End Connection for ({}:{} | {})".format(client_writer.get_extra_info("peername")[0], client_writer.get_extra_info("peername")[1], aclient.bumper_jid))
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client_writer.close()
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except Exception as e:
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xmppserverlog.error("{}".format(e))
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clientaddr = client_writer.get_extra_info("peername")
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xmppserverlog.debug("New Connection from {}:{}".format(clientaddr[0],clientaddr[1]))
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task.add_done_callback(functools.partial(client_done, aclient))
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except Exception as e:
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xmppserverlog.error("{}".format(e))
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def disconnect(self):
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try:
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xmppserverlog.debug("waiting for all client threads to exit")
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for client in self.clients:
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client._disconnect()
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self.exit_flag = True
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xmppserverlog.debug("shutting down")
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except Exception as e:
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xmppserverlog.error("{}".format(e))
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class XMPPAsyncClient:
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IDLE = 0
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CONNECT = 1
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INIT = 2
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BIND = 3
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READY = 4
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DISCONNECT = 5
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UNKNOWN = 0
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BOT = 1
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CONTROLLER = 2
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_async_task = None
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def __init__(self, client_reader, client_writer):
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self.type = self.UNKNOWN
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self.state = self.IDLE
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self.address = client_writer.get_extra_info("peername")
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self.client_reader = client_reader
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self.client_writer = client_writer
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self.clientresource = ""
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self.devclass = ""
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self.bumper_jid = ""
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self.uid = ""
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self.log_sent_message = True # Set to true to log sends
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self.log_incoming_data = True # Set to true to log sends
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xmppserverlog.debug("new client with ip {}".format(self.address))
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async def handle_async_client(self):
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# xmppserverlog.info('client connected - {}'.format(self.address))
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await self._set_state("CONNECT")
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while True:
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await asyncio.sleep(0.05)
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if not self.state == self.DISCONNECT:
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data = await self.client_reader.read(4096)
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if data is None or data == b'':
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xmppserverlog.debug("Received no data")
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# exit loop and disconnect
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return
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else:
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await self._parse_data(data)
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else:
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break
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# exit loop and disconnect
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return
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async def send(self, command):
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try:
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# if not self.connection._closed:
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if self.log_sent_message:
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xmppserverlog.debug("send to ({}:{} | {}) - {}".format(self.address[0], self.address[1], self.bumper_jid, command))
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self.client_writer.write(command.encode())
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await self.client_writer.drain()
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except BrokenPipeError as e:
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#xmppserverlog.debug("{}".format(e))
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await self._set_state("DISCONNECT")
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except ConnectionResetError as e:
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#xmppserverlog.debug("{}".format(e))
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await self._set_state("DISCONNECT")
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except ConnectionAbortedError as e:
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#xmppserverlog.debug("{}".format(e))
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await self._set_state("DISCONNECT")
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except OSError as e:
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xmppserverlog.error("{}".format(e))
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except Exception as e:
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xmppserverlog.exception("{}".format(e))
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async def _disconnect(self):
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try:
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bot = bumper.bot_get(self.uid)
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if bot:
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bumper.bot_set_xmpp(bot["did"], False)
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client = bumper.client_get(self.clientresource)
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if client:
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bumper.client_set_xmpp(client["resource"], False)
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self.client_writer.close()
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except Exception as e:
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xmppserverlog.error("{}".format(e))
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async def _tag_strip_uri(self, tag):
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try:
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if tag[0] == "{":
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_, _, tag = tag[1:].partition("}")
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return tag
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except Exception as e:
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xmppserverlog.error("{}".format(e))
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async def _set_state(self, state):
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try:
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new_state = getattr(XMPPAsyncClient, state)
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if self.state > new_state:
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raise Exception(
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"{} illegal state change {}->{}".format(
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self.address, self.state, new_state
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)
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)
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xmppserverlog.debug("({}:{} | {}) state: {}".format(self.address[0],self.address[1],self.bumper_jid, state))
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self.state = new_state
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if new_state == 5:
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await self._disconnect()
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except Exception as e:
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xmppserverlog.error("{}".format(e))
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async def _handle_ctl(self, xml, data):
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try:
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if "roster" in data:
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# Return not-implemented for roster
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await self.send(
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'<iq type="error" id="{}"><error type="cancel" code="501"><feature-not-implemented xmlns="urn:ietf:params:xml:ns:xmpp-stanzas"/></error></iq>'.format(
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xml.get("id")
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)
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)
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return
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if "disco#items" in data:
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# Return not-implemented for disco#items
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await self.send(
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'<iq type="error" id="{}"><error type="cancel" code="501"><feature-not-implemented xmlns="urn:ietf:params:xml:ns:xmpp-stanzas"/></error></iq>'.format(
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xml.get("id")
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))
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return
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if "disco#info" in data:
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# Return not-implemented for disco#info
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await self.send(
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'<iq type="error" id="{}"><error type="cancel" code="501"><feature-not-implemented xmlns="urn:ietf:params:xml:ns:xmpp-stanzas"/></error></iq>'.format(
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xml.get("id")
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)
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)
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return
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if xml.get("type") == "set":
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if (
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"com:sf" in data and xml.get("to") == "rl.ecorobot.net"
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): # Android bind? Not sure what this does yet.
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await self.send(
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'<iq id="{}" to="{}@{}/{}" from="rl.ecorobot.net" type="result"/>'.format(
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xml.get("id"),
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self.uid,
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XMPPServer.server_id,
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self.clientresource,
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)
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)
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if len(xml[0]) > 0:
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ctl = xml[0][0]
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if ctl.get("admin") and self.type == self.BOT:
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xmppserverlog.debug(
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"admin username received from bot: {}".format(ctl.get("admin"))
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)
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XMPPServer.client_id = ctl.get("admin")
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return
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# forward
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for client in XMPPServer.clients:
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if (
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client.bumper_jid != self.bumper_jid
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and client.state == client.READY
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):
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ctl_to = xml.get("to")
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if not "from" in xml.attrib:
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xml.attrib["from"] = "{}".format(self.bumper_jid)
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rxmlstring = ET.tostring(xml).decode("utf-8")
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# clean up string to remove namespaces added by ET
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rxmlstring = rxmlstring.replace("xmlns:ns0=", "xmlns=")
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rxmlstring = rxmlstring.replace("ns0:", "")
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rxmlstring = rxmlstring.replace('iq xmlns="com:ctl"', "iq")
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rxmlstring = rxmlstring.replace("<query", '<query xmlns="com:ctl"')
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if client.type == self.BOT:
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if client.uid.lower() in ctl_to.lower():
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xmppserverlog.debug(
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"Sending ctl to bot: {}".format(rxmlstring)
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)
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await client.send(rxmlstring)
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except Exception as e:
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xmppserverlog.error("{}".format(e))
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async def _handle_ping(self, xml, data):
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try:
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if xml.get("to").find("@") == -1: # No to address
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# Ping to server - respond
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pingresp = '<iq type="result" id="{}" from="{}" />'.format(
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xml.get("id"), xml.get("to")
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)
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# xmppserverlog.debug("Server Ping resp: {}".format(pingresp))
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await self.send(pingresp)
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else:
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pingto = xml.get("to")
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pingfrom = self.bumper_jid
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if not "from" in xml.attrib:
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xml.attrib["from"] = "{}".format(pingfrom)
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pingstring = ET.tostring(xml).decode("utf-8")
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# clean up string to remove namespaces added by ET
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pingstring = pingstring.replace("xmlns:ns0=", "xmlns=")
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pingstring = pingstring.replace("ns0:", "")
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pingstring = pingstring.replace('iq xmlns="urn:xmpp:ping"', "iq")
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pingstring = pingstring.replace("<ping", '<ping xmlns="urn:xmpp:ping"')
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for client in XMPPServer.clients:
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if (
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client.bumper_jid != self.bumper_jid
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and client.state == client.READY
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):
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if client.uid.lower() in pingto.lower():
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await client.send(pingstring)
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except Exception as e:
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xmppserverlog.exception("{}".format(e))
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async def schedule_ping(self, time):
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if not self.state == 5: #disconnected
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pingstring = "<iq from='{}' to='{}' id='s2c1' type='get'><ping xmlns='urn:xmpp:ping'/></iq>".format(XMPPServer.server_id, self.bumper_jid)
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await self.send(pingstring)
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await asyncio.sleep(time)
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asyncio.Task(self.schedule_ping(time))
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async def _handle_result(self, xml, data):
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try:
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ctl_to = xml.get("to")
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if not "from" in xml.attrib:
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xml.attrib["from"] = "{}".format(self.bumper_jid)
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if (
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"errno='103' error='permission denied," in data
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): # No permissions, usually if bot was last on Ecovac network
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if self.type == self.BOT:
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xquery = xml.getchildren()
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ctl = xquery[0].getchildren()
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ctlerr = ctl[0].attrib["error"]
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adminuser = ctlerr.replace("permission denied, please contact ", "")
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adminuser = adminuser.replace(" ", "")
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if not (
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adminuser.startswith("fuid_") or adminuser.startswith("fusername_") or bumper.use_auth
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): # if not fuid_ then its ecovacs OR ignore bumper auth
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# TODO: Implement auth later, should this user have access to bot?
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# Add user jid to bot
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newuser = ctl_to.split("/")[0]
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adduser = '<iq type="set" id="{}" from="{}" to="{}"><query xmlns="com:ctl"><ctl td="AddUser" id="0000" jid="{}" /></query></iq>'.format(
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uuid.uuid4(), adminuser, self.bumper_jid, newuser
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)
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xmppserverlog.debug("Add User: {}".format(adduser))
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await self.send(adduser)
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# Add user ACs - Manage users, settings, and clean (full access)
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adduseracs = '<iq type="set" id="{}" from="{}" to="{}"><query xmlns="com:ctl"><ctl td="SetAC" id="1111" jid="{}"><acs><ac name="userman" allow="1"/><ac name="setting" allow="1"/><ac name="clean" allow="1"/></acs></ctl></query></iq>'.format(
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uuid.uuid4(), adminuser, self.bumper_jid, newuser
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)
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xmppserverlog.debug("Add User ACs: {}".format(adduseracs))
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await self.send(adduseracs)
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# GetUserInfo - Just to confirm it set correctly
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await self.send(
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'<iq type="set" id="{}" from="{}" to="{}"><query xmlns="com:ctl"><ctl td="GetUserInfo" id="4444" /><UserInfos/></query></iq>'.format(
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uuid.uuid4(), adminuser, self.bumper_jid
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)
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)
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else:
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rxmlstring = ET.tostring(xml).decode("utf-8")
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# clean up string to remove namespaces added by ET
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rxmlstring = rxmlstring.replace("xmlns:ns0=", "xmlns=")
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rxmlstring = rxmlstring.replace("ns0:", "")
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rxmlstring = rxmlstring.replace('iq xmlns="com:ctl"', "iq")
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rxmlstring = rxmlstring.replace("<query", '<query xmlns="com:ctl"')
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if self.type == self.BOT:
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if ctl_to == "de.ecorobot.net": # Send to all clients
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xmppserverlog.debug(
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"Sending to all clients because of de: {}".format(
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rxmlstring
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)
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)
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for client in XMPPServer.clients:
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await client.send(rxmlstring)
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if xml.get("to").find("@") == -1: # No to address
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ctl_to = xml.get("to")
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else:
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ctl_to = "{}@ecouser.net".format(ctl_to.split("@")[0])
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for client in XMPPServer.clients:
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if (
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client.bumper_jid != self.bumper_jid
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and client.state == client.READY
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):
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if not "@" in ctl_to: # No user@, send to all clients?
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# TODO: Revisit later, this may be wrong
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await client.send(rxmlstring)
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elif (
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client.uid.lower() in ctl_to.lower()
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): # If client matches TO=
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xmppserverlog.debug(
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"Sending from {} to client {}: {}".format(
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self.uid, client.uid, rxmlstring
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)
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)
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await client.send(rxmlstring)
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except Exception as e:
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xmppserverlog.exception("{}".format(e))
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async def _handle_connect(self, data, xml=None):
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try:
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if self.state == self.CONNECT:
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if xml == None:
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# Client first connecting, send our features
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if data.decode("utf-8").find("jabber:client") > -1:
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sc = data.decode("utf-8").find("to=")
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ec = data.decode("utf-8").find(".ecorobot.net")
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if ec > -1:
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self.devclass = data.decode("utf-8")[sc + 4 : ec]
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# ack jabbr:client
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# no STARTTLS
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await self.send(
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'<stream:stream xmlns:stream="http://etherx.jabber.org/streams" xmlns="jabber:client" version="1.0" id="1" from="{}">'.format(
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XMPPServer.server_id
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)
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)
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# with STARTTLS
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#await self.send('<stream:stream xmlns:stream="http://etherx.jabber.org/streams" xmlns:tls="http://www.ietf.org/rfc/rfc2595.txt" xmlns="jabber:client" version="1.0" id="1" from="{}">'.format(XMPPServer.server_id))
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await asyncio.sleep(0.25)
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#time.sleep(0.25)
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# send authentication support for iq-auth (fallback) and SASL
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#await self.send(
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# '<stream:features><auth xmlns="http://jabber.org/features/iq-auth"/><mechanisms xmlns="urn:ietf:params:xml:ns:xmpp-sasl"><mechanism>PLAIN</mechanism></mechanisms></stream:features>'
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#)
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#With STARTTLS #https://xmpp.org/rfcs/rfc3920.html
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await self.send(
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'<stream:features><starttls xmlns="urn:ietf:params:xml:ns:xmpp-tls"><required/></starttls><auth xmlns="http://jabber.org/features/iq-auth"/><mechanisms xmlns="urn:ietf:params:xml:ns:xmpp-sasl"><mechanism>PLAIN</mechanism></mechanisms></stream:features>'
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)
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# await self.send('<stream:features><auth xmlns="http://jabber.org/features/iq-auth"/></stream:features>')
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else:
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await self.send("</stream>")
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else:
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if "jabber:iq:auth" in xml.tag: # Handle iq-auth
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await self._handle_iq_auth(xml)
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elif (
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"urn:ietf:params:xml:ns:xmpp-sasl" in xml.tag
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): # Handle SASL Auth
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await self._handle_sasl_auth(xml)
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else:
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xmppserverlog.error("Couldn't handle: {}".format(xml))
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elif self.state == self.INIT:
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if xml == None:
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# Client getting session after authentication
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if data.decode("utf-8").find("jabber:client") > -1:
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# ack jabbr:client
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await self.send(
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'<stream:stream xmlns:stream="http://etherx.jabber.org/streams" xmlns="jabber:client" version="1.0" id="1" from="{}">'.format(
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XMPPServer.server_id
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)
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)
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await asyncio.sleep(0.25)
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#time.sleep(0.25)
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# session
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await self.send(
|
||
'<stream:features><bind xmlns="urn:ietf:params:xml:ns:xmpp-bind"/><session xmlns="urn:ietf:params:xml:ns:xmpp-session"/></stream:features>'
|
||
)
|
||
|
||
else: # Handle init bind
|
||
if len(xml):
|
||
child = await self._tag_strip_uri(xml[0].tag)
|
||
else:
|
||
child = None
|
||
|
||
if xml.tag == "iq":
|
||
if child == "bind":
|
||
await self._handle_bind(xml)
|
||
else:
|
||
xmppserverlog.error("Couldn't handle: {}".format(xml))
|
||
|
||
except Exception as e:
|
||
xmppserverlog.exception("{}".format(e))
|
||
|
||
|
||
async def _handle_starttls(self, data):
|
||
try:
|
||
|
||
peer = self.client_writer.get_extra_info("peername")
|
||
xmppserverlog.debug("Upgrading connection with STARTTLS for {}:{}".format(peer[0],peer[1]))
|
||
await self.send("<proceed xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>") #send process to client
|
||
|
||
# After proceed the connection should be upgraded to TLS
|
||
loop = asyncio.get_event_loop()
|
||
transport = self.client_writer._transport
|
||
protocol = self.client_writer.transport.get_protocol()
|
||
new_transport = await loop.start_tls(transport , protocol, XMPPServer.ssl_ctx, server_side=True)
|
||
#protocol._stream_reader = asyncio.StreamReader(loop=loop)
|
||
#protocol._client_connected_cb = do_after_startls()
|
||
# protocol.connection_made(new_transport)
|
||
#self.client_reader.set_transport(new_transport)
|
||
#self.client_writer = transport#protocol._stream_writer
|
||
#await loop.start_tls(self.client_writer.transport, self.client_writer._protocol, XMPPServer.ssl_ctx, server_side=True)
|
||
|
||
except Exception as e:
|
||
xmppserverlog.exception("{}".format(e))
|
||
|
||
|
||
|
||
|
||
async def _handle_iq_auth(self, data):
|
||
try:
|
||
xml = ET.fromstring(data.decode("utf-8"))
|
||
ctl = xml[0][0]
|
||
xmppserverlog.info("IQ AUTH XML: {}".format(xml))
|
||
# Received username and auth tag, send username/password requirement
|
||
if (
|
||
xml.get("type") == "get"
|
||
and "auth}username" in ctl.tag
|
||
and self.type == self.UNKNOWN
|
||
):
|
||
await self.send(
|
||
'<iq type="result" id="{}"><query xmlns="jabber:iq:auth"><username/><password/></query></iq>'.format(
|
||
xml.get("id")
|
||
)
|
||
)
|
||
|
||
# Received username, password, resource - Handle auth here and return pass or fail
|
||
if (
|
||
xml.get("type") == "set"
|
||
and "auth}username" in ctl.tag
|
||
and self.type == self.UNKNOWN
|
||
):
|
||
xmlauth = xml[0].getchildren()
|
||
# uid = ""
|
||
password = ""
|
||
authcode = ""
|
||
resource = ""
|
||
for aitem in xmlauth:
|
||
if "username" in aitem.tag:
|
||
self.uid = aitem.text
|
||
|
||
elif "password" in aitem.tag:
|
||
password = aitem.text.split("/")[2]
|
||
authcode = password
|
||
|
||
elif "resource" in aitem.tag:
|
||
self.clientresource = aitem.text
|
||
resource = self.clientresource
|
||
|
||
if self.devclass: # if there is a devclass it is a bot
|
||
bumper.bot_add("", self.uid, "", resource, "eco-legacy")
|
||
xmppserverlog.debug("bot authenticated {}".format(self.uid))
|
||
|
||
# Client authenticated, move to next state
|
||
await self._set_state("INIT")
|
||
|
||
# Successful auth
|
||
await self.send('<iq type="result" id="{}"/>'.format(xml.get("id")))
|
||
|
||
else:
|
||
auth = False
|
||
if bumper.check_authcode(self.uid, authcode):
|
||
auth = True
|
||
elif bumper.use_auth == False:
|
||
auth = True
|
||
|
||
if auth:
|
||
bumper.client_add(self.uid, "bumper", self.clientresource)
|
||
xmppserverlog.debug("client authenticated {}".format(self.uid))
|
||
|
||
# Client authenticated, move to next state
|
||
await self._set_state("INIT")
|
||
|
||
# Successful auth
|
||
await self.send(
|
||
'<iq type="result" id="{}"/>'.format(xml.get("id"))
|
||
)
|
||
|
||
else:
|
||
# Failed auth
|
||
await self.send(
|
||
'<iq type="error" id="{}"><error code="401" type="auth"><not-authorized xmlns="urn:ietf:params:xml:ns:xmpp-stanzas"/></error></iq>'.format(
|
||
xml.get("id")
|
||
)
|
||
)
|
||
|
||
except ET.ParseError as e:
|
||
if "no element found" in e.msg:
|
||
xmppserverlog.debug(
|
||
"xml parse error - {} - {}".format(data.decode("utf-8"), e)
|
||
)
|
||
elif "not well-formed (invalid token)" in e.msg:
|
||
xmppserverlog.debug(
|
||
"xml parse error - {} - {}".format(data.decode("utf-8"), e)
|
||
)
|
||
else:
|
||
xmppserverlog.debug(
|
||
"xml parse error - {} - {}".format(data.decode("utf-8"), e)
|
||
)
|
||
|
||
except Exception as e:
|
||
xmppserverlog.exception("{}".format(e))
|
||
|
||
async def _handle_sasl_auth(self, xml):
|
||
try:
|
||
|
||
saslauth = base64.b64decode(xml.text).decode("utf-8").split("/")
|
||
username = saslauth[0]
|
||
username = saslauth[0].split("\x00")[1]
|
||
authcode = ""
|
||
self.uid = username
|
||
if len(saslauth) > 1:
|
||
resource = saslauth[1]
|
||
self.clientresource = resource
|
||
elif len(saslauth[0].split("\x00")) > 2:
|
||
resource = saslauth[0].split("\x00")[2]
|
||
self.clientresource = resource
|
||
|
||
if len(saslauth) > 2:
|
||
authcode = saslauth[2]
|
||
|
||
if self.devclass: # if there is a devclass it is a bot
|
||
bumper.bot_add(self.uid, self.uid, self.devclass, "atom", "eco-legacy")
|
||
self.type = self.BOT
|
||
xmppserverlog.debug("bot authenticated {}".format(self.uid))
|
||
# Send response
|
||
await self.send(
|
||
'<success xmlns="urn:ietf:params:xml:ns:xmpp-sasl"/>'
|
||
) # Success
|
||
|
||
# Client authenticated, move to next state
|
||
await self._set_state("INIT")
|
||
|
||
else:
|
||
auth = False
|
||
if bumper.check_authcode(self.uid, authcode):
|
||
auth = True
|
||
elif bumper.use_auth == False:
|
||
auth = True
|
||
|
||
if auth:
|
||
self.type = self.CONTROLLER
|
||
bumper.client_add(self.uid, "bumper", self.clientresource)
|
||
xmppserverlog.debug("client authenticated {}".format(self.uid))
|
||
|
||
# Client authenticated, move to next state
|
||
await self._set_state("INIT")
|
||
|
||
# Send response
|
||
await self.send(
|
||
'<success xmlns="urn:ietf:params:xml:ns:xmpp-sasl"/>'
|
||
) # Success
|
||
|
||
else:
|
||
# Failed to authenticate
|
||
await self.send(
|
||
'<response xmlns="urn:ietf:params:xml:ns:xmpp-sasl"/>'
|
||
) # Fail
|
||
|
||
except Exception as e:
|
||
xmppserverlog.exception("{}".format(e))
|
||
|
||
async def _handle_bind(self, xml):
|
||
try:
|
||
|
||
bot = bumper.bot_get(self.uid)
|
||
if bot:
|
||
bumper.bot_set_xmpp(bot["did"], True)
|
||
|
||
client = bumper.client_get(self.clientresource)
|
||
if client:
|
||
bumper.client_set_xmpp(client["resource"], True)
|
||
|
||
clientbindxml = xml.getchildren()
|
||
clientresourcexml = clientbindxml[0].getchildren()
|
||
if self.devclass: # its a bot
|
||
self.name = "XMPP_Client_{}_{}".format(self.uid, self.devclass)
|
||
self.bumper_jid = "{}@{}.ecorobot.net/atom".format(
|
||
self.uid, self.devclass
|
||
)
|
||
xmppserverlog.debug("new bot ({}:{} | {})".format(self.address[0],self.address[1], self.bumper_jid))
|
||
res = '<iq type="result" id="{}"><bind xmlns="urn:ietf:params:xml:ns:xmpp-bind"><jid>{}</jid></bind></iq>'.format(
|
||
xml.get("id"), self.bumper_jid
|
||
)
|
||
elif len(clientresourcexml) > 0:
|
||
self.clientresource = clientresourcexml[0].text
|
||
self.name = "XMPP_Client_{}".format(self.clientresource)
|
||
self.bumper_jid = "{}@{}/{}".format(
|
||
self.uid, XMPPServer.server_id, self.clientresource
|
||
)
|
||
xmppserverlog.debug("new client ({}:{} | {})".format(self.address[0],self.address[1], self.bumper_jid))
|
||
res = '<iq type="result" id="{}"><bind xmlns="urn:ietf:params:xml:ns:xmpp-bind"><jid>{}</jid></bind></iq>'.format(
|
||
xml.get("id"), self.bumper_jid
|
||
)
|
||
else:
|
||
self.name = "XMPP_Client_{}_{}".format(self.uid, self.address)
|
||
self.bumper_jid = "{}@{}".format(self.uid, XMPPServer.server_id)
|
||
xmppserverlog.debug("new client ({}:{} | {})".format(self.address[0],self.address[1], self.bumper_jid))
|
||
res = '<iq type="result" id="{}"><bind xmlns="urn:ietf:params:xml:ns:xmpp-bind"><jid>{}</jid></bind></iq>'.format(
|
||
xml.get("id"), self.bumper_jid
|
||
)
|
||
|
||
await self._set_state("BIND")
|
||
await self.send(res)
|
||
|
||
except Exception as e:
|
||
xmppserverlog.exception("{}".format(e))
|
||
|
||
async def _handle_session(self, xml):
|
||
try:
|
||
res = '<iq type="result" id="{}" />'.format(xml.get("id"))
|
||
await self._set_state("READY")
|
||
await self.send(res)
|
||
asyncio.Task(self.schedule_ping(30))
|
||
|
||
|
||
except Exception as e:
|
||
xmppserverlog.exception("{}".format(e))
|
||
|
||
async def _handle_presence(self, xml):
|
||
try:
|
||
|
||
if len(xml) and xml[0].tag == "status":
|
||
xmppserverlog.debug(
|
||
"bot presence {} ".format(ET.tostring(xml, encoding="utf-8").decode("utf-8"))
|
||
)
|
||
# Most likely a bot, possibly hello world in text
|
||
|
||
# Send dummy return
|
||
await self.send(
|
||
'<presence to="{}"> dummy </presence>'.format(self.bumper_jid)
|
||
)
|
||
|
||
|
||
|
||
# If it is a BOT, send extras
|
||
if self.type == self.BOT:
|
||
# get device info
|
||
await self.send(
|
||
'<iq type="set" id="14" to="{}" from="{}"><query xmlns="com:ctl"><ctl td="GetDeviceInfo"/></query></iq>'.format(
|
||
self.bumper_jid, XMPPServer.server_id
|
||
)
|
||
)
|
||
|
||
|
||
|
||
else:
|
||
xmppserverlog.debug(
|
||
"client presence - {} ".format(ET.tostring(xml, encoding="utf-8").decode("utf-8"))
|
||
)
|
||
|
||
if xml.get("type") == "available":
|
||
xmppserverlog.debug(
|
||
"client presence available - {} ".format(
|
||
ET.tostring(xml, encoding="utf-8").decode("utf-8"))
|
||
)
|
||
|
||
# Send dummy return
|
||
await self.send(
|
||
'<presence to="{}"> dummy </presence>'.format(self.bumper_jid)
|
||
)
|
||
elif xml.get("type") == "unavailable":
|
||
xmppserverlog.debug(
|
||
"client presence unavailable (DISCONNECT) - {} ".format(
|
||
ET.tostring(xml, encoding="utf-8").decode("utf-8"))
|
||
)
|
||
|
||
await self._set_state("DISCONNECT")
|
||
else:
|
||
# Sometimes the android app sends these
|
||
xmppserverlog.debug(
|
||
"client presence (UNKNOWN) - {} ".format(
|
||
ET.tostring(xml, encoding="utf-8")
|
||
)
|
||
)
|
||
# Send dummy return
|
||
await self.send(
|
||
'<presence to="{}"> dummy </presence>'.format(self.bumper_jid)
|
||
)
|
||
|
||
except Exception as e:
|
||
xmppserverlog.exception("{}".format(e))
|
||
|
||
async def _parse_data(self, data):
|
||
|
||
if data.decode("utf-8").startswith(
|
||
"<?xml"
|
||
): # Strip <?xml and add artificial root
|
||
newdata = (
|
||
re.sub(r"(<\?xml[^>]+\?>)", r"<root>", data.decode("utf-8")) + "</root>"
|
||
)
|
||
|
||
else:
|
||
newdata = "<root>{}</root>".format(
|
||
data.decode("utf-8")
|
||
) # Add artificial root
|
||
|
||
try:
|
||
root = ET.fromstring(newdata)
|
||
for item in root.iter():
|
||
if item.tag != "root":
|
||
if item.tag == "iq":
|
||
if self.log_incoming_data:
|
||
xmppserverlog.debug(
|
||
"from ({}:{} | {}) - {}".format(
|
||
self.address[0],self.address[1],self.bumper_jid,
|
||
str(
|
||
ET.tostring(item, encoding="utf-8").decode(
|
||
"utf-8"
|
||
)
|
||
).replace("ns0:", ""),
|
||
)
|
||
)
|
||
await self._handle_iq(item, newdata)
|
||
item.clear()
|
||
|
||
elif "auth" in item.tag:
|
||
if "urn:ietf:params:xml:ns:xmpp-sasl" in item.tag: # SASL Auth
|
||
await self._handle_sasl_auth(item)
|
||
item.clear()
|
||
|
||
elif "-tls" in item.tag:
|
||
await self._handle_starttls(newdata.encode("utf-8"))
|
||
|
||
elif "presence" in item.tag:
|
||
await self._handle_presence(item)
|
||
item.clear()
|
||
|
||
else:
|
||
if self.log_incoming_data:
|
||
xmppserverlog.debug(
|
||
"Unparsed Item - {}".format(
|
||
str(
|
||
ET.tostring(item, encoding="utf-8").decode(
|
||
"utf-8"
|
||
)
|
||
).replace("ns0:", "")
|
||
)
|
||
)
|
||
|
||
except ET.ParseError as e:
|
||
if (
|
||
"no element found" in e.msg
|
||
): # Element not closed or not all bytes received
|
||
# Happens wth connect stream often
|
||
if "<stream:stream " in newdata:
|
||
if self.state == self.CONNECT or self.state == self.INIT:
|
||
await self._handle_connect(newdata.encode("utf-8"))
|
||
else:
|
||
if not (newdata == "" or newdata == " "):
|
||
xmppserverlog.error(
|
||
"xml parse error - {} - {}".format(newdata, e)
|
||
)
|
||
|
||
elif "not well-formed (invalid token)" in e.msg:
|
||
# If a lone </stream:stream> - client is signalling end of session/disconnect
|
||
if not "</stream:stream>" in newdata:
|
||
xmppserverlog.error("xml parse error - {} - {}".format(newdata, e))
|
||
else:
|
||
await self.send("</stream:stream>") # Close stream
|
||
|
||
else:
|
||
if "<stream:stream" in newdata: # Handle start stream and connect
|
||
if self.state == self.CONNECT or self.state == self.INIT:
|
||
xmppserverlog.debug(
|
||
"Handling connect data - {}".format(newdata)
|
||
)
|
||
await self._handle_connect(newdata.encode("utf-8"))
|
||
else:
|
||
if not "</stream:stream>" in newdata:
|
||
xmppserverlog.error(
|
||
"xml parse error - {} - {}".format(newdata, e)
|
||
)
|
||
else:
|
||
await self.send("</stream:stream>") # Close stream
|
||
await self._set_state("DISCONNECT")
|
||
|
||
except Exception as e:
|
||
xmppserverlog.exception("{}".format(e))
|
||
|
||
async def _handle_iq(self, xml, data):
|
||
try:
|
||
if len(xml):
|
||
child = await self._tag_strip_uri(xml[0].tag)
|
||
else:
|
||
child = None
|
||
|
||
if xml.tag == "iq":
|
||
if child == "bind":
|
||
await self._handle_bind(xml)
|
||
elif child == "session":
|
||
await self._handle_session(xml)
|
||
elif child == "ping":
|
||
await self._handle_ping(xml, data)
|
||
elif child == "query":
|
||
if self.type == self.BOT:
|
||
await self._handle_result(xml, data)
|
||
else:
|
||
await self._handle_ctl(xml, data)
|
||
elif xml.get("type") == "result":
|
||
if self.type == self.BOT:
|
||
await self._handle_result(xml, data)
|
||
else:
|
||
await self._handle_result(xml, data)
|
||
elif xml.get("type") == "set":
|
||
if self.type == self.BOT:
|
||
await self._handle_result(xml, data)
|
||
else:
|
||
await self._handle_result(xml, data)
|
||
|
||
except Exception as e:
|
||
xmppserverlog.exception("{}".format(e))
|