448 lines
17 KiB
Python
Executable file
448 lines
17 KiB
Python
Executable file
#!/usr/bin/env python
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#
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# Copyright (C) 2013 Permabit, Inc.
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# Copyright (C) 2013--2014 Zulip, Inc.
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#
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# Permission is hereby granted, free of charge, to any person
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# obtaining a copy of this software and associated documentation files
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# (the "Software"), to deal in the Software without restriction,
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# including without limitation the rights to use, copy, modify, merge,
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# publish, distribute, sublicense, and/or sell copies of the Software,
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# and to permit persons to whom the Software is furnished to do so,
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# subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be
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# included in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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# BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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# ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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# The following is a table showing which kinds of messages are handled by the
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# mirror in each mode:
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#
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# Message origin/type --> | Jabber | Zulip
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# Mode/sender-, +-----+----+--------+----
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# V | MUC | PM | stream | PM
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# --------------+-------------+-----+----+--------+----
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# | other sender| | x | |
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# personal mode +-------------+-----+----+--------+----
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# | self sender | | x | x | x
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# ------------- +-------------+-----+----+--------+----
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# | other sender| x | | |
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# public mode +-------------+-----+----+--------+----
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# | self sender | | | |
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from typing import Set
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import logging
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import threading
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import optparse
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from sleekxmpp import ClientXMPP, InvalidJID, JID
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from sleekxmpp.exceptions import IqError, IqTimeout
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from six.moves.configparser import SafeConfigParser
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import os, sys, zulip, getpass
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import re
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__version__ = "1.1"
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def room_to_stream(room):
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return room + "/xmpp"
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def stream_to_room(stream):
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return stream.lower().rpartition("/xmpp")[0]
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def jid_to_zulip(jid):
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suffix = ''
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if not jid.username.endswith("-bot"):
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suffix = options.zulip_email_suffix
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return "%s%s@%s" % (jid.username, suffix, options.zulip_domain)
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def zulip_to_jid(email, jabber_domain):
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jid = JID(email, domain=jabber_domain)
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if (options.zulip_email_suffix
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and options.zulip_email_suffix in jid.username
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and not jid.username.endswith("-bot")):
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jid.username = jid.username.rpartition(options.zulip_email_suffix)[0]
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return jid
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class JabberToZulipBot(ClientXMPP):
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def __init__(self, jid, password, rooms):
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if jid.resource:
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self.nick = jid.resource
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else:
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self.nick = jid.username
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jid.resource = "zulip"
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ClientXMPP.__init__(self, jid, password)
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self.rooms = set() # type: Set[str]
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self.rooms_to_join = rooms
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self.add_event_handler("session_start", self.session_start)
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self.add_event_handler("message", self.message)
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self.zulip = None # type: zulip.Client
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self.use_ipv6 = False
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self.register_plugin('xep_0045') # Jabber chatrooms
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self.register_plugin('xep_0199') # XMPP Ping
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def set_zulip_client(self, client):
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self.zulip = client
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def session_start(self, event):
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self.get_roster()
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self.send_presence()
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for room in self.rooms_to_join:
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self.join_muc(room)
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def join_muc(self, room):
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if room in self.rooms:
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return
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logging.debug("Joining " + room)
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self.rooms.add(room)
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muc_jid = JID(local=room, domain=options.conference_domain)
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xep0045 = self.plugin['xep_0045']
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try:
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xep0045.joinMUC(muc_jid, self.nick, wait=True)
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except InvalidJID:
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logging.error("Could not join room: " + str(muc_jid))
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return
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# Configure the room. Really, we should only do this if the room is
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# newly created.
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form = None
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try:
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form = xep0045.getRoomConfig(muc_jid)
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except ValueError:
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pass
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if form:
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xep0045.configureRoom(muc_jid, form)
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else:
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logging.error("Could not configure room: " + str(muc_jid))
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def leave_muc(self, room):
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if room not in self.rooms:
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return
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logging.debug("Leaving " + room)
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self.rooms.remove(room)
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muc_jid = JID(local=room, domain=options.conference_domain)
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self.plugin['xep_0045'].leaveMUC(muc_jid, self.nick)
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def message(self, msg):
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try:
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if msg["type"] == "groupchat":
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return self.group(msg)
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elif msg["type"] == "chat":
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return self.private(msg)
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else:
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logging.warning("Got unexpected message type")
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logging.warning(msg)
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except Exception:
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logging.exception("Error forwarding Jabber => Zulip")
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def private(self, msg):
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if options.mode == 'public' or msg['thread'] == u'\u1FFFE':
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return
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sender = jid_to_zulip(msg["from"])
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recipient = jid_to_zulip(msg["to"])
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zulip_message = dict(
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sender = sender,
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type = "private",
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to = recipient,
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content = msg["body"],
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)
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ret = self.zulip.client.send_message(zulip_message)
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if ret.get("result") != "success":
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logging.error(ret)
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def group(self, msg):
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if options.mode == 'personal' or msg["thread"] == u'\u1FFFE':
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return
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subject = msg["subject"]
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if len(subject) == 0:
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subject = "(no topic)"
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stream = room_to_stream(msg['from'].local)
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sender_nick = msg.get_mucnick()
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if not sender_nick:
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# Messages from the room itself have no nickname. We should not try
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# to mirror these
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return
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jid = self.nickname_to_jid(msg.get_mucroom(), sender_nick)
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sender = jid_to_zulip(jid)
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zulip_message = dict(
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forged = "yes",
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sender = sender,
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type = "stream",
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subject = subject,
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to = stream,
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content = msg["body"],
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)
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ret = self.zulip.client.send_message(zulip_message)
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if ret.get("result") != "success":
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logging.error(ret)
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def nickname_to_jid(self, room, nick):
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jid = self.plugin['xep_0045'].getJidProperty(room, nick, "jid")
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if (jid is None or jid == ''):
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return JID(local=nick.replace(' ', ''), domain=self.boundjid.domain)
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else:
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return jid
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class ZulipToJabberBot(object):
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def __init__(self, zulip_client):
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self.client = zulip_client
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self.jabber = None # type: JabberToZulipBot
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def set_jabber_client(self, client):
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self.jabber = client
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def process_event(self, event):
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if event['type'] == 'message':
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message = event["message"]
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if message['sender_email'] != self.client.email:
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return
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try:
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if message['type'] == 'stream':
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self.stream_message(message)
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elif message['type'] == 'private':
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self.private_message(message)
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except:
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logging.exception("Exception forwarding Zulip => Jabber")
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elif event['type'] == 'subscription':
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self.process_subscription(event)
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elif event['type'] == 'stream':
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self.process_stream(event)
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def stream_message(self, msg):
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stream = msg['display_recipient']
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if not stream.endswith("/xmpp"):
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return
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room = stream_to_room(stream)
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jabber_recipient = JID(local=room, domain=options.conference_domain)
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outgoing = self.jabber.make_message(
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mto = jabber_recipient,
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mbody = msg['content'],
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mtype = 'groupchat')
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outgoing['thread'] = u'\u1FFFE'
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outgoing.send()
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def private_message(self, msg):
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for recipient in msg['display_recipient']:
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if recipient["email"] == self.client.email:
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continue
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if not recipient["is_mirror_dummy"]:
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continue
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recip_email = recipient['email']
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jabber_recipient = zulip_to_jid(recip_email, self.jabber.boundjid.domain)
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outgoing = self.jabber.make_message(
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mto = jabber_recipient,
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mbody = msg['content'],
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mtype = 'chat')
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outgoing['thread'] = u'\u1FFFE'
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outgoing.send()
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def process_subscription(self, event):
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if event['op'] == 'add':
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streams = [s['name'].lower() for s in event['subscriptions']]
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streams = [s for s in streams if s.endswith("/xmpp")]
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for stream in streams:
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self.jabber.join_muc(stream_to_room(stream))
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if event['op'] == 'remove':
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streams = [s['name'].lower() for s in event['subscriptions']]
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streams = [s for s in streams if s.endswith("/xmpp")]
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for stream in streams:
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self.jabber.leave_muc(stream_to_room(stream))
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def process_stream(self, event):
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if event['op'] == 'occupy':
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streams = [s['name'].lower() for s in event['streams']]
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streams = [s for s in streams if s.endswith("/xmpp")]
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for stream in streams:
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self.jabber.join_muc(stream_to_room(stream))
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if event['op'] == 'vacate':
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streams = [s['name'].lower() for s in event['streams']]
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streams = [s for s in streams if s.endswith("/xmpp")]
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for stream in streams:
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self.jabber.leave_muc(stream_to_room(stream))
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def get_rooms(zulip):
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def get_stream_infos(key, method):
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ret = method()
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if ret.get("result") != "success":
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logging.error(ret)
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sys.exit("Could not get initial list of Zulip %s" % (key,))
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return ret[key]
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if options.mode == 'public':
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stream_infos = get_stream_infos("streams", zulip.client.get_streams)
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else:
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stream_infos = get_stream_infos("subscriptions", zulip.client.list_subscriptions)
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rooms = []
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for stream_info in stream_infos:
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stream = stream_info['name']
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if stream.endswith("/xmpp"):
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rooms.append(stream_to_room(stream))
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return rooms
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def config_error(msg):
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sys.stderr.write("%s\n" % (msg,))
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sys.exit(2)
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if __name__ == '__main__':
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parser = optparse.OptionParser(epilog=
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'''Most general and Jabber configuration options may also be specified in the
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zulip configuration file under the jabber_mirror section (exceptions are noted
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in their help sections). Keys have the same name as options with hyphens
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replaced with underscores. Zulip configuration options go in the api section,
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as normal.'''.replace("\n", " ")
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)
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parser.add_option('--mode',
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default=None,
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action='store',
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help= \
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'''Which mode to run in. Valid options are "personal" and "public". In
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"personal" mode, the mirror uses an individual users' credentials and mirrors
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all messages they send on Zulip to Jabber and all private Jabber messages to
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Zulip. In "public" mode, the mirror uses the credentials for a dedicated mirror
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user and mirrors messages sent to Jabber rooms to Zulip. Defaults to
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"personal"'''.replace("\n", " "))
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parser.add_option('--zulip-email-suffix',
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default=None,
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action='store',
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help= \
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'''Add the specified suffix to the local part of email addresses constructed
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from JIDs and nicks before sending requests to the Zulip server, and remove the
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suffix before sending requests to the Jabber server. For example, specifying
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"+foo" will cause messages that are sent to the "bar" room by nickname "qux" to
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be mirrored to the "bar/xmpp" stream in Zulip by user "qux+foo@example.com". This
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option does not affect login credentials.'''.replace("\n", " "))
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parser.add_option('-d', '--debug',
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help='set logging to DEBUG. Can not be set via config file.',
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action='store_const',
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dest='log_level',
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const=logging.DEBUG,
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default=logging.INFO)
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jabber_group = optparse.OptionGroup(parser, "Jabber configuration")
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jabber_group.add_option('--jid',
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default=None,
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action='store',
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help="Your Jabber JID. If a resource is specified, "
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+ "it will be used as the nickname when joining MUCs. "
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+ "Specifying the nickname is mostly useful if you want "
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+ "to run the public mirror from a regular user instead of "
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+ "from a dedicated account.")
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jabber_group.add_option('--jabber-password',
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default=None,
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action='store',
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help="Your Jabber password")
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jabber_group.add_option('--conference-domain',
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default=None,
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action='store',
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help="Your Jabber conference domain (E.g. conference.jabber.example.com). "
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+ "If not specifed, \"conference.\" will be prepended to your JID's domain.")
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jabber_group.add_option('--no-use-tls',
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default=None,
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action='store_true')
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jabber_group.add_option('--jabber-server-address',
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default=None,
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action='store',
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help="The hostname of your Jabber server. This is only needed if "
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"your server is missing SRV records")
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jabber_group.add_option('--jabber-server-port',
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default='5222',
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action='store',
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help="The port of your Jabber server. This is only needed if "
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"your server is missing SRV records")
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parser.add_option_group(jabber_group)
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parser.add_option_group(zulip.generate_option_group(parser, "zulip-"))
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(options, args) = parser.parse_args()
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logging.basicConfig(level=options.log_level,
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format='%(levelname)-8s %(message)s')
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if options.zulip_config_file is None:
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config_file = zulip.get_default_config_filename()
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else:
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config_file = options.zulip_config_file
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config = SafeConfigParser()
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try:
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with open(config_file, 'r') as f:
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config.readfp(f, config_file)
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except IOError:
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pass
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for option in ("jid", "jabber_password", "conference_domain", "mode", "zulip_email_suffix",
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"jabber_server_address", "jabber_server_port"):
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if (getattr(options, option) is None
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and config.has_option("jabber_mirror", option)):
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setattr(options, option, config.get("jabber_mirror", option))
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for option in ("no_use_tls",):
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if getattr(options, option) is None:
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if config.has_option("jabber_mirror", option):
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setattr(options, option, config.getboolean("jabber_mirror", option))
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else:
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setattr(options, option, False)
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if options.mode is None:
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options.mode = "personal"
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if options.zulip_email_suffix is None:
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options.zulip_email_suffix = ''
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if options.mode not in ('public', 'personal'):
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config_error("Bad value for --mode: must be one of 'public' or 'personal'")
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if None in (options.jid, options.jabber_password):
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config_error("You must specify your Jabber JID and Jabber password either "
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+ "in the Zulip configuration file or on the commandline")
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zulip = ZulipToJabberBot(zulip.init_from_options(options, "JabberMirror/" + __version__))
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# This won't work for open realms that don't have a consistent domain
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options.zulip_domain = zulip.client.email.partition('@')[-1]
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try:
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jid = JID(options.jid)
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except InvalidJID as e:
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config_error("Bad JID: %s: %s" % (options.jid, e.message))
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if options.conference_domain is None:
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options.conference_domain = "conference.%s" % (jid.domain,)
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xmpp = JabberToZulipBot(jid, options.jabber_password, get_rooms(zulip))
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address = None
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if options.jabber_server_address:
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address = (options.jabber_server_address, options.jabber_server_port)
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if not xmpp.connect(use_tls=not options.no_use_tls, address=address):
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sys.exit("Unable to connect to Jabber server")
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xmpp.set_zulip_client(zulip)
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zulip.set_jabber_client(xmpp)
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xmpp.process(block=False)
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if options.mode == 'public':
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event_types = ['stream']
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else:
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event_types = ['message', 'subscription']
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try:
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logging.info("Connecting to Zulip.")
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zulip.client.call_on_each_event(zulip.process_event,
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event_types=event_types)
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except BaseException as e:
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logging.exception("Exception in main loop")
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xmpp.abort()
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sys.exit(1)
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