904 lines
37 KiB
Python
904 lines
37 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 contextvars
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import bumper
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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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def __init__(
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self,
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address,
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bumper_users=contextvars.ContextVar,
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bumper_bots=contextvars.ContextVar,
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bumper_clients=contextvars.ContextVar,
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):
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# Initialize bot server
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self.address = address
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self.bumper_users = bumper_users
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self.bumper_bots = bumper_bots
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self.bumper_clients = bumper_clients
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def run(self, run_async=False):
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if run_async:
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xmppserverlog.debug("Starting XMPPServer Thread: 1")
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self.xmppthread = Thread(name="XMPPServer_Thread", target=self.run_server)
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self.xmppthread.setDaemon(True)
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self.xmppthread.start()
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else:
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try:
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self.run_server()
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except KeyboardInterrupt:
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self.disconnect()
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def run_server(self):
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logging.info("Starting XMPP Server at {}".format(self.address))
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print("Starting XMPP Server at {}".format(self.address))
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# xmppserverlog.setLevel(logging.DEBUG)
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# Set SSL Context
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self.ssl_ctx = ssl.create_default_context(ssl.Purpose.CLIENT_AUTH)
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self.ssl_ctx.load_cert_chain(
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certfile=bumper.server_cert, keyfile=bumper.server_key
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)
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self.socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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self.socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
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try:
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self.socket.bind(self.address)
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self.socket.listen(5)
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xmppserverlog.debug(
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"listening on {}:{}".format(self.address[0], self.address[1])
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)
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while not self.exit_flag:
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connection, client_address = self.socket.accept()
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# disconnect any clients with this ip
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for client in self.clients:
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if client.address == client_address[0]:
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xmppserverlog.debug(
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"disconnecting existing client {} with resource {}".format(
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client.address, client.clientresource
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)
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)
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client._disconnect()
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self.remove_client_byip(client.address)
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xmppserverlog.debug(
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"starting new client with ip {}".format(client_address[0])
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)
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thread_id = uuid.uuid4()
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client = Client(
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thread_id,
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connection,
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client_address,
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self.bumper_users,
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self.bumper_bots,
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self.bumper_clients,
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)
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client.setDaemon(True)
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client.start()
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self.clients.append(client)
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except PermissionError as e:
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if "bind" in e.strerror:
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xmppserverlog.exception(
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"Error binding XMPPServer, exiting. Try using a different hostname or IP - {}".format(
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e
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)
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)
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exit(1)
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except Exception as e:
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xmppserverlog.exception("{}".format(e))
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exit(1)
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except KeyboardInterrupt as e:
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xmppserverlog.exception("{}".format(e))
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finally:
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connection.shutdown(socket.SHUT_RDWR)
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connection.close()
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self.disconnect()
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xmppserverlog.info("disconnecting")
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self.socket.close()
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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.exception("{}".format(e))
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def remove_client_byip(self, ip):
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for client in self.clients:
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if client.address == ip:
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xmppserverlog.debug(
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"removing client from client list with ip {} and resource {}".format(
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client.address, client.clientresource
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)
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)
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client._disconnect()
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self.clients.remove(client)
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def remove_client_byresource(self, resource):
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for client in self.clients:
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if str(client.clientresource).lower() == str(resource).lower():
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xmppserverlog.debug(
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"removing client from client list with ip {} and resource {}".format(
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client.address, client.clientresource
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)
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)
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client._disconnect()
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self.clients.remove(client)
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def remove_client_byuid(self, uid):
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for client in self.clients:
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if str(client.uid).lower() == str(uid).lower():
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xmppserverlog.debug(
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"removing client from client list with ip {} and resource {}".format(
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client.address, client.clientresource
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)
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)
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client._disconnect()
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self.clients.remove(client)
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class Client(threading.Thread):
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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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def __init__(
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self,
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thread_id,
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connection,
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client_address,
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bumper_users=contextvars.ContextVar,
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bumper_bots=contextvars.ContextVar,
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bumper_clients=contextvars.ContextVar,
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):
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threading.Thread.__init__(self)
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self.id = thread_id
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self.name = "XMPP_Client_{}".format(client_address[0])
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self.type = self.UNKNOWN
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self.state = self.IDLE
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self.connection = connection
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self.address = client_address[0]
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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 = False # 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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self.bumper_users = bumper_users
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self.bumper_bots = bumper_bots
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self.bumper_clients = bumper_clients
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xmppserverlog.debug(
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"new client thread init for client with ip {}".format(self.address)
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)
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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 {} - {}".format(self.address, command))
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self.connection.send(command.encode())
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except OSError as e:
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xmppserverlog.error("{}".format(e))
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except BrokenPipeError as e:
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xmppserverlog.error("{}".format(e))
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self._set_state('DISCONNECT')
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except ConnectionResetError as e:
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xmppserverlog.error("{}".format(e))
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# self._set_state('DISCONNECT')
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except Exception as e:
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xmppserverlog.exception("{}".format(e))
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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.connection.close()
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except Exception as e:
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xmppserverlog.exception("{}".format(e))
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def _tag_strip_uri(self, tag):
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try:
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if tag[0] == "{":
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uri, ignore, tag = tag[1:].partition("}")
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return tag
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except Exception as e:
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xmppserverlog.exception("{}".format(e))
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def _set_state(self, state):
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try:
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new_state = getattr(Client, 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, state))
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self.state = new_state
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if new_state == 5:
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self._disconnect()
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except Exception as e:
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xmppserverlog.exception("{}".format(e))
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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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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
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and xml.get("to") == "rl.ecorobot.net"
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): # Android bind? Not sure what this does yet.
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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 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
|
||
|
||
# forward
|
||
for client in XMPPServer.clients:
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if client.bumper_jid != self.bumper_jid and client.state == client.READY:
|
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ctl_to = xml.get("to")
|
||
xml.attrib["from"] = "{}".format(self.bumper_jid)
|
||
rxmlstring = ET.tostring(xml).decode("utf-8")
|
||
#clean up string to remove namespaces added by ET
|
||
rxmlstring = rxmlstring.replace("xmlns:ns0=", "xmlns=")
|
||
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.info("Sending ctl to bot: {}".format(rxmlstring))
|
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client.send(rxmlstring)
|
||
|
||
|
||
except Exception as e:
|
||
xmppserverlog.exception("{}".format(e))
|
||
|
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def _handle_ping(self, xml, data):
|
||
try:
|
||
if xml.get("to").find("@") == -1: #No to address
|
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# Ping to server - respond
|
||
pingresp = '<iq type="result" id="{}" from="{}" />'.format(
|
||
xml.get("id"), xml.get("to")
|
||
)
|
||
#xmppserverlog.debug("Server Ping resp: {}".format(pingresp))
|
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self.send(pingresp)
|
||
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||
else:
|
||
pingto = xml.get("to")
|
||
pingfrom = self.bumper_jid
|
||
|
||
xml.attrib["from"] = pingfrom
|
||
pingstring = ET.tostring(xml).decode("utf-8")
|
||
#clean up string to remove namespaces added by ET
|
||
pingstring = pingstring.replace("xmlns:ns0=", "xmlns=")
|
||
pingstring = pingstring.replace("ns0:", "")
|
||
pingstring = pingstring.replace('iq xmlns="com:ctl"', "iq")
|
||
pingstring = pingstring.replace('<query','<query xmlns="com:ctl"')
|
||
|
||
for client in XMPPServer.clients:
|
||
if client.bumper_jid != self.bumper_jid and client.state == client.READY:
|
||
if pingto.lower() in client.bumper_jid.lower():
|
||
pingsend = '<iq type="result" id="{}" from="{}" to="{}" />'.format(
|
||
xml.get("id"), pingfrom, pingto
|
||
)
|
||
xmppserverlog.debug("ping from {} to {}".format(pingfrom, pingto))
|
||
client.send(pingstring)
|
||
|
||
except Exception as e:
|
||
xmppserverlog.exception("{}".format(e))
|
||
|
||
def _handle_result(self, xml, data):
|
||
try:
|
||
ctl_to = xml.get("to")
|
||
xml.attrib["from"] = self.bumper_jid
|
||
if "errno='103' error='permission denied," in data: #No permissions, usually if bot was last on Ecovac network
|
||
if self.type == self.BOT:
|
||
xquery = xml.getchildren()
|
||
ctl = xquery[0].getchildren()
|
||
ctlerr = ctl[0].attrib["error"]
|
||
adminuser = ctlerr.replace("permission denied, please contact ","")
|
||
adminuser = adminuser.replace(" ","")
|
||
if not (adminuser.startswith("fuid_") or bumper.use_auth): #if not fuid_ then its ecovacs OR ignore bumper auth
|
||
#TODO: Implement auth later, should this user have access to bot?
|
||
|
||
#Add user jid to bot
|
||
newuser = ctl_to.split("/")[0]
|
||
adduser = '<iq type="set" id="{}" from="{}" to="{}"><query xmlns="com:ctl"><ctl td="AddUser" id="0000" jid="{}" /></query></iq>'.format(
|
||
uuid.uuid4(), adminuser, self.bumper_jid, newuser)
|
||
xmppserverlog.debug("Add User: {}".format(adduser))
|
||
self.send(adduser)
|
||
|
||
#Add user ACs - Manage users, settings, and clean (full access)
|
||
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(
|
||
uuid.uuid4(), adminuser, self.bumper_jid, newuser)
|
||
xmppserverlog.debug("Add User ACs: {}".format(adduseracs))
|
||
self.send(adduseracs)
|
||
|
||
#GetUserInfo - Just to confirm it set correctly
|
||
self.send(
|
||
'<iq type="set" id="{}" from="{}" to="{}"><query xmlns="com:ctl"><ctl td="GetUserInfo" id="4444" /><UserInfos/></query></iq>'.format(
|
||
uuid.uuid4(), adminuser, self.bumper_jid)
|
||
)
|
||
|
||
else:
|
||
rxmlstring = ET.tostring(xml).decode("utf-8")
|
||
#clean up string to remove namespaces added by ET
|
||
rxmlstring = rxmlstring.replace("xmlns:ns0=", "xmlns=")
|
||
rxmlstring = rxmlstring.replace("ns0:", "")
|
||
rxmlstring = rxmlstring.replace('iq xmlns="com:ctl"', "iq")
|
||
rxmlstring = rxmlstring.replace('<query','<query xmlns="com:ctl"')
|
||
if self.type == self.BOT:
|
||
if ctl_to == "de.ecorobot.net": #Send to all clients
|
||
xmppserverlog.debug("Sending to all clients because of de: {}".format(rxmlstring))
|
||
for client in XMPPServer.clients:
|
||
client.send(rxmlstring)
|
||
|
||
if xml.get("to").find("@") == -1: #No to address
|
||
ctl_to = xml.get("to")
|
||
else:
|
||
ctl_to = "{}@ecouser.net".format(ctl_to.split("@")[0])
|
||
|
||
for client in XMPPServer.clients:
|
||
if client.bumper_jid != self.bumper_jid and client.state == client.READY:
|
||
if not "@" in ctl_to: #No user@, send to all clients?
|
||
#TODO: Revisit later, this may be wrong
|
||
client.send(rxmlstring)
|
||
|
||
elif client.uid.lower() in ctl_to.lower(): #If client matches TO=
|
||
xmppserverlog.debug("Sending from {} to client {}: {}".format(self.uid, client.uid, rxmlstring))
|
||
client.send(rxmlstring)
|
||
|
||
except Exception as e:
|
||
xmppserverlog.exception("{}".format(e))
|
||
|
||
def _handle_connect(self, data, xml=None):
|
||
try:
|
||
|
||
if self.state == self.CONNECT:
|
||
if xml == None:
|
||
# Client first connecting, send our features
|
||
if data.decode("utf-8").find("jabber:client") > -1:
|
||
sc = data.decode("utf-8").find("to=")
|
||
ec = data.decode("utf-8").find(".ecorobot.net")
|
||
if ec > -1:
|
||
self.devclass = data.decode("utf-8")[sc+4:ec]
|
||
# ack jabbr:client
|
||
# no STARTTLS
|
||
self.send(
|
||
'<stream:stream xmlns:stream="http://etherx.jabber.org/streams" xmlns="jabber:client" version="1.0" id="1" from="{}">'.format(
|
||
XMPPServer.server_id
|
||
)
|
||
)
|
||
# with STARTTLS
|
||
# 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))
|
||
time.sleep(0.25)
|
||
# send authentication support for iq-auth (fallback) and SASL
|
||
self.send(
|
||
'<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>'
|
||
)
|
||
# self.send('<stream:features><auth xmlns="http://jabber.org/features/iq-auth"/></stream:features>')
|
||
|
||
else:
|
||
self.send("</stream>")
|
||
|
||
else:
|
||
if "jabber:iq:auth" in xml.tag: # Handle iq-auth
|
||
self._handle_iq_auth(xml)
|
||
elif "urn:ietf:params:xml:ns:xmpp-sasl" in xml.tag: #Handle SASL Auth
|
||
self._handle_sasl_auth(xml)
|
||
else:
|
||
xmppserverlog.error("Couldn't handle: {}".format(xml))
|
||
|
||
elif self.state == self.INIT:
|
||
if xml == None:
|
||
# Client getting session after authentication
|
||
if data.decode("utf-8").find("jabber:client") > -1:
|
||
# ack jabbr:client
|
||
self.send(
|
||
'<stream:stream xmlns:stream="http://etherx.jabber.org/streams" xmlns="jabber:client" version="1.0" id="1" from="{}">'.format(
|
||
XMPPServer.server_id
|
||
)
|
||
)
|
||
time.sleep(0.25)
|
||
# session
|
||
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 = self._tag_strip_uri(xml[0].tag)
|
||
else:
|
||
child = None
|
||
|
||
if xml.tag == "iq":
|
||
if child == "bind":
|
||
self._handle_bind(xml)
|
||
else:
|
||
xmppserverlog.error("Couldn't handle: {}".format(xml))
|
||
|
||
|
||
|
||
except Exception as e:
|
||
xmppserverlog.exception("{}".format(e))
|
||
|
||
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
|
||
):
|
||
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 = ""
|
||
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 not self.uid.startswith("fuid"):
|
||
|
||
# Need sample data to see details here
|
||
bumper.bot_add("", self.uid, "", resource)
|
||
xmppserverlog.info("bot authenticated {}".format(self.uid))
|
||
|
||
# Client authenticated, move to next state
|
||
self._set_state("INIT")
|
||
|
||
# Successful auth
|
||
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
|
||
self._set_state("INIT")
|
||
|
||
# Successful auth
|
||
self.send('<iq type="result" id="{}"/>'.format(xml.get("id")))
|
||
|
||
else:
|
||
# Failed auth
|
||
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))
|
||
|
||
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]
|
||
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 not self.uid.startswith("fuid"):
|
||
# Need sample data to see details here
|
||
bumper.bot_add(self.uid, self.uid, self.devclass, "atom","eco-legacy")
|
||
self.type = self.BOT
|
||
xmppserverlog.info("bot authenticated {}".format(self.uid))
|
||
# Send response
|
||
self.send(
|
||
'<success xmlns="urn:ietf:params:xml:ns:xmpp-sasl"/>'
|
||
) # Success
|
||
|
||
# Client authenticated, move to next state
|
||
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
|
||
self._set_state("INIT")
|
||
|
||
# Send response
|
||
self.send(
|
||
'<success xmlns="urn:ietf:params:xml:ns:xmpp-sasl"/>'
|
||
) # Success
|
||
|
||
else:
|
||
# Failed to authenticate
|
||
self.send(
|
||
'<response xmlns="urn:ietf:params:xml:ns:xmpp-sasl"/>'
|
||
) # Fail
|
||
|
||
except Exception as e:
|
||
xmppserverlog.exception("{}".format(e))
|
||
|
||
def _handle_bind(self, xml):
|
||
try:
|
||
bumper_bots = self.bumper_bots.get()
|
||
bumper_clients = self.bumper_clients.get()
|
||
|
||
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.uid))
|
||
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 {} using resource {}".format(
|
||
self.uid, self.clientresource
|
||
)
|
||
)
|
||
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.uid))
|
||
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
|
||
)
|
||
|
||
self._set_state("BIND")
|
||
self.send(res)
|
||
|
||
except Exception as e:
|
||
xmppserverlog.exception("{}".format(e))
|
||
|
||
def _handle_session(self, xml):
|
||
try:
|
||
res = '<iq type="result" id="{}" />'.format(xml.get("id"))
|
||
self._set_state("READY")
|
||
self.send(res)
|
||
|
||
except Exception as e:
|
||
xmppserverlog.exception("{}".format(e))
|
||
|
||
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"))
|
||
)
|
||
#Most likely a bot, possibly hello world in text
|
||
|
||
#Send dummy return
|
||
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
|
||
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"))
|
||
)
|
||
|
||
if xml.get("type") == "available":
|
||
xmppserverlog.debug(
|
||
"client presence available - {} ".format(ET.tostring(xml, encoding="utf-8"))
|
||
)
|
||
#Send dummy return
|
||
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"))
|
||
)
|
||
|
||
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
|
||
self.send(
|
||
'<presence to="{}"> dummy </presence>'.format(
|
||
self.bumper_jid
|
||
)
|
||
)
|
||
|
||
|
||
except Exception as e:
|
||
xmppserverlog.exception("{}".format(e))
|
||
|
||
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, str(ET.tostring(item, encoding="utf-8").decode("utf-8")).replace("ns0:",""))
|
||
)
|
||
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
|
||
self._handle_sasl_auth(item)
|
||
item.clear()
|
||
|
||
elif "presence" in item.tag:
|
||
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:",""))
|
||
)
|
||
print("e")
|
||
|
||
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:
|
||
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:
|
||
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)
|
||
)
|
||
self._handle_connect(newdata.encode("utf-8"))
|
||
else:
|
||
if not "</stream:stream>" in newdata:
|
||
xmppserverlog.error(
|
||
"xml parse error - {} - {}".format(newdata, e)
|
||
)
|
||
else:
|
||
self.send("</stream:stream>") # Close stream
|
||
self._set_state("DISCONNECT")
|
||
|
||
|
||
except Exception as e:
|
||
xmppserverlog.exception("{}".format(e))
|
||
|
||
def _handle_iq(self, xml, data):
|
||
try:
|
||
if len(xml):
|
||
child = self._tag_strip_uri(xml[0].tag)
|
||
else:
|
||
child = None
|
||
|
||
if xml.tag == "iq":
|
||
if child == "bind":
|
||
self._handle_bind(xml)
|
||
elif child == "session":
|
||
self._handle_session(xml)
|
||
elif child == "ping":
|
||
self._handle_ping(xml, data)
|
||
elif child == "query":
|
||
if self.type == self.BOT:
|
||
self._handle_result(xml, data)
|
||
else:
|
||
self._handle_ctl(xml, data)
|
||
elif xml.get("type") == "result":
|
||
if self.type == self.BOT:
|
||
self._handle_result(xml, data)
|
||
else:
|
||
self._handle_result(xml, data)
|
||
elif xml.get("type") == "set":
|
||
if self.type == self.BOT:
|
||
self._handle_result(xml, data)
|
||
else:
|
||
self._handle_result(xml, data)
|
||
|
||
except Exception as e:
|
||
xmppserverlog.exception("{}".format(e))
|
||
|
||
def run(self):
|
||
# xmppserverlog.info('client connected - {}'.format(self.address))
|
||
self._set_state("CONNECT")
|
||
while not self.state == self.DISCONNECT and not self.connection._closed:
|
||
data = b""
|
||
time.sleep(0.1)
|
||
if not self.connection._closed:
|
||
try:
|
||
data = self.connection.recv(4096)
|
||
if data != b"":
|
||
self._parse_data(data)
|
||
except ConnectionResetError as e:
|
||
xmppserverlog.error("{}".format(e))
|
||
except OSError as e:
|
||
xmppserverlog.error("{}".format(e))
|
||
except Exception as e:
|
||
xmppserverlog.exception("{}".format(e))
|
||
|
||
|
||
|