Tulir Asokan
117 lines
4.4 KiB
Python
117 lines
4.4 KiB
Python
# mautrix-telegram - A Matrix-Telegram puppeting bridge
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# Copyright (C) 2018 Tulir Asokan
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import re
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from .user import User
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from .portal import Portal
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from .commands import CommandHandler
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class MatrixHandler:
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def __init__(self, context):
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self.az, self.db, log, self.config = context
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self.log = log.getChild("mx")
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self.commands = CommandHandler(context)
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alias_format = self.config.get("bridge.alias_template", "telegram_{}").format("(.+)")
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hs = self.config["homeserver"]["domain"]
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self.localpart_regex = re.compile(f"@{alias_format}:{hs}")
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self.az.matrix_event_handler(self.handle_event)
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self.az.intent.set_display_name(
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self.config.get("appservice.bot_displayname", "Mautrix-Telegram Bridge"))
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def is_puppet(self, mxid):
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match = self.localpart_regex.match(mxid)
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return True if match else False
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def handle_invite(self, room, user, inviter):
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if user == self.az.bot_mxid:
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self.az.intent.join_room(room)
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return
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tgid = self.get_puppet(user)
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if tgid:
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# TODO handle puppet invite
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self.log.debug(f"{inviter} invited puppet for {tgid} to {room}")
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return
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# These can probably be ignored
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self.log.debug(f"{inviter} invited {user} to {room}")
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def handle_part(self, room, user):
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self.log.debug(f"{user} left {room}")
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def is_command(self, message):
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text = message.get("body", "")
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prefix = self.config["bridge.command_prefix"]
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is_command = text.startswith(prefix)
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if is_command:
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text = text[len(prefix) + 1:]
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return is_command, text
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def handle_message(self, room, sender, message, event_id):
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self.log.debug(f"{sender} sent {message} to ${room}")
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is_command, text = self.is_command(message)
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sender = User.get_by_mxid(sender)
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portal = Portal.get_by_mxid(room)
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if portal and not is_command:
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portal.handle_matrix_message(sender, message, event_id)
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return
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if message["msgtype"] != "m.text":
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return
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is_management = len(self.az.intent.get_joined_users(room)) == 2
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if is_command or is_management:
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try:
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command, arguments = text.split(" ", 1)
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args = arguments.split(" ")
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except ValueError:
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# Not enough values to unpack, i.e. no arguments
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command = text
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args = []
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self.commands.handle(room, sender, command, args, is_management,
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is_portal=portal is not None)
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def handle_redaction(self, room, sender, event_id):
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portal = Portal.get_by_mxid(room)
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sender = User.get_by_mxid(sender)
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if portal:
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portal.handle_matrix_deletion(sender, event_id)
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def filter_matrix_event(self, event):
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return event["sender"] == self.az.bot_mxid or self.is_puppet(event["sender"])
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def handle_event(self, evt):
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if self.filter_matrix_event(evt):
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return
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self.log.debug("Received event: %s", evt)
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type = evt["type"]
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content = evt.get("content", {})
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if type == "m.room.member":
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membership = content.get("membership", {})
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if membership == "invite":
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self.handle_invite(evt["room_id"], evt["state_key"], evt["sender"])
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elif membership == "leave":
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self.handle_part(evt["room_id"], evt["state_key"])
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elif membership == "join":
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pass
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elif type == "m.room.message":
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self.handle_message(evt["room_id"], evt["sender"], content, evt["event_id"])
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elif type == "m.room.redaction":
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self.handle_redaction(evt["room_id"], evt["sender"], evt["redacts"])
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