This commit is contained in:
git-bruh 2020-11-30 18:05:49 +05:30
parent 053cc9d7ee
commit 715b987444
No known key found for this signature in database
GPG key ID: E1475C50075ADCE6

508
main.py
View file

@ -1,8 +1,15 @@
import asyncio
import discord
import re
import json
import logging
import nio
import re
from nio import (
AsyncClient,
RoomMessageText,
RoomMessageMedia,
RedactionEvent,
EphemeralEvent
)
import os
@ -30,301 +37,280 @@ def config_gen(config_file):
config = config_gen("config.json")
logging.basicConfig(level=logging.INFO)
matrix_logger = logging.getLogger("matrix_logger")
intents = discord.Intents.default()
intents.members = True
discord_client = discord.Client(intents=intents)
logging.basicConfig(level=logging.INFO)
message_cache = {}
message_store = {}
@discord_client.event
async def on_ready():
print(f"Logged in as {discord_client.user}")
class MatrixClient(object):
async def create(self):
homeserver = config["homeserver"]
username = config["username"]
password = config["password"]
# Start Matrix bot
await create_matrix_client()
global matrix_client
matrix_client = AsyncClient(homeserver, username)
@discord_client.event
async def on_message(message):
if message.author.bot or str(message.channel.id) != config["channel_id"]:
return
matrix_logger.info(await matrix_client.login(password))
content = await process_discord(message)
# Sync once to avoid acting on old messages
matrix_logger.info("Doing initial sync.")
await matrix_client.sync(30000)
matrix_message = await message_send(content[0], content[1])
message_cache[message.id] = matrix_message
# Set up event callbacks
callbacks = Callbacks()
matrix_client.add_event_callback(
callbacks.message_callback,
(RoomMessageText, RoomMessageMedia))
matrix_client.add_event_callback(
callbacks.redaction_callback, RedactionEvent)
@discord_client.event
async def on_message_edit(before, after):
if after.author.bot or str(after.channel.id) != config["channel_id"]:
return
matrix_client.add_ephemeral_callback(
callbacks.typing_callback, EphemeralEvent)
content = await process_discord(after)
await message_send(content[0], edit_id=message_cache[before.id])
@discord_client.event
async def on_message_delete(message):
if message.id in message_cache:
await message_redact(message_cache[message.id], "Message deleted")
@discord_client.event
async def on_typing(channel, user, when):
if user.bot or str(channel.id) != config["channel_id"]:
return
# Send typing event
await matrix_client.room_typing(config["room_id"], timeout=0)
async def get_channel():
channel = int(config["channel_id"])
channel = discord_client.get_channel(channel)
return channel
async def process_discord(message):
content = message.clean_content
replied_event = None
if message.reference:
replied_message = await message.channel.fetch_message(message.reference
.message_id)
try:
replied_event = message_cache[replied_message.id]
except KeyError:
pass
# Replace emote IDs with names
content = re.sub(r"<a?(:\w+:)\d*>", r"\g<1>", content)
# Append attachments to message
for attachment in message.attachments:
content += f"\n{attachment.url}"
content = f"<{message.author.name}> {content}"
return content, replied_event
async def process_matrix(message):
message = message.replace("@everyone", "@\u200Beveryone")
message = message.replace("@here", "@\u200Bhere")
mentions = re.findall(r"(^|\s)(@(\w*))", message)
emotes = re.findall(r":(.*?):", message)
channel = await get_channel()
guild = channel.guild
for emote in emotes:
emote_ = discord.utils.get(guild.emojis, name=emote)
if emote_:
message = message.replace(f":{emote}:", str(emote_))
for mention in mentions:
member = await guild.query_members(query=mention[2])
if member:
message = message.replace(mention[1], member[0].mention)
return message
async def webhook_send(author, avatar, message, event_id):
channel = await get_channel()
# Create webhook if it doesn't exist
hook_name = "matrix_bridge"
hooks = await channel.webhooks()
hook = discord.utils.get(hooks, name=hook_name)
if not hook:
hook = await channel.create_webhook(name=hook_name)
# 'wait=True' allows us to store the sent message
try:
hook = await hook.send(username=author, avatar_url=avatar,
content=message, wait=True)
message_cache[event_id] = hook
except discord.errors.HTTPException as e:
matrix_logger.warning(f"Failed to send message {event_id}: {e}")
async def create_matrix_client():
homeserver = config["homeserver"]
username = config["username"]
password = config["password"]
timeout = 30000
global matrix_client
matrix_client = nio.AsyncClient(homeserver, username)
matrix_logger.info(await matrix_client.login(password))
# Sync once before adding callback to avoid acting on old messages
matrix_logger.info("Doing initial sync.")
await matrix_client.sync(timeout)
matrix_client.add_event_callback(message_callback, (nio.RoomMessageText,
nio.RoomMessageMedia))
matrix_client.add_event_callback(redaction_callback, nio.RedactionEvent)
matrix_client.add_ephemeral_callback(typing_callback, nio.EphemeralEvent)
# Sync forever
matrix_logger.info("Syncing forever.")
await matrix_client.sync_forever(timeout=timeout)
await matrix_client.logout()
await matrix_client.close()
async def message_send(message, reply_id=None, edit_id=None):
content = {
"msgtype": "m.text",
"body": message,
}
if reply_id:
content["m.relates_to"] = {
"m.in_reply_to": {"event_id": reply_id},
async def message_send(self, message, reply_id=None, edit_id=None):
content = {
"msgtype": "m.text",
"body": message,
}
if edit_id:
content["body"] = f" * {message}"
if reply_id:
content["m.relates_to"] = {
"m.in_reply_to": {"event_id": reply_id},
}
content["m.new_content"] = {
"body": message,
"msgtype": "m.text"
}
if edit_id:
content["body"] = f" * {message}"
content["m.relates_to"] = {
"event_id": edit_id,
"rel_type": "m.replace",
}
content["m.new_content"] = {
"body": message,
"msgtype": "m.text"
}
message = await matrix_client.room_send(
room_id=config["room_id"],
message_type="m.room.message",
content=content
)
content["m.relates_to"] = {
"event_id": edit_id,
"rel_type": "m.replace",
}
return message.event_id
message = await matrix_client.room_send(
room_id=config["room_id"],
message_type="m.room.message",
content=content
)
return message.event_id
async def message_redact(self, message):
await matrix_client.room_redact(
room_id=config["room_id"],
event_id=message
)
async def message_redact(message, reason):
await matrix_client.room_redact(
room_id=config["room_id"],
event_id=message,
reason=reason
)
class DiscordClient(discord.Client):
async def on_ready(self):
print(f"Logged in as {self.user}")
global channel
channel = int(config["channel_id"])
channel = self.get_channel(channel)
matrix_logger.info("Syncing forever.")
await matrix_client.sync_forever(timeout=30000)
async def message_callback(room, event):
# Don't act on activities in other rooms
if room.room_id != config["room_id"]:
return
async def on_message(self, message):
if message.author.bot or str(message.channel.id) != \
config["channel_id"]:
return
# https://github.com/Rapptz/discord.py/issues/6058
# content_dict = event.source.get("content")
# try:
# if content_dict["m.relates_to"]["rel_type"] == "m.replace":
# edited_event = content_dict["m.relates_to"]["event_id"]
# edited_content = content_dict["m.new_content"]["body"]
# webhook_message = message_cache[edited_event]
# await something_to_edit_webhook(webhook_message, edited_content)
# return
# except KeyError:
# pass
content = await Process().discord(message)
message = event.body
matrix_message = await MatrixClient().message_send(
content[0], content[1])
if not message:
return
message_store[message.id] = matrix_message
# Don't act on ourselves
if event.sender == matrix_client.user:
return
async def on_message_edit(self, before, after):
if after.author.bot or str(after.channel.id) != \
config["channel_id"]:
return
author = event.sender[1:]
avatar = None
content = await Process().discord(after)
homeserver = author.split(":")[-1]
url = "https://matrix.org/_matrix/media/r0/download"
await MatrixClient().message_send(
content[0], edit_id=message_store[before.id])
# Replace Discord mentions and emotes with IDs
message = await process_matrix(message)
async def on_message_delete(self, message):
if message.id in message_store:
await MatrixClient().message_redact(message_store[message.id])
# Get attachments
try:
attachment = event.url.split("/")[-1]
# Highlight attachment name
message = f"`{message}`"
message += f"\n{url}/{homeserver}/{attachment}"
except AttributeError:
pass
# Get avatar
for user in room.users.values():
if user.user_id == event.sender:
if user.avatar_url:
avatar = user.avatar_url.split("/")[-1]
avatar = f"{url}/{homeserver}/{avatar}"
break
await webhook_send(author, avatar, message, event.event_id)
async def redaction_callback(room, event):
# Don't act on activities in other rooms
if room.room_id != config["room_id"]:
return
# Don't act on ourselves
if event.sender == matrix_client.user:
return
# Redact webhook message
try:
message = message_cache[event.redacts]
await message.delete()
except KeyError:
pass
async def typing_callback(room, event):
channel = await get_channel()
# Don't act on activities in other rooms
if room.room_id != config["room_id"]:
return
if room.typing_users:
# Don't act on ourselves
if len(room.typing_users) == 1 \
and room.typing_users[0] == matrix_client.user:
async def on_typing(self, channel, user, when):
if user.bot or str(channel.id) != config["channel_id"]:
return
# Send typing event
async with channel.typing():
await matrix_client.room_typing(config["room_id"], timeout=0)
async def webhook_send(self, author, avatar, message, event_id):
# Create webhook if it doesn't exist
hook_name = "matrix_bridge"
hooks = await channel.webhooks()
hook = discord.utils.get(hooks, name=hook_name)
if not hook:
hook = await channel.create_webhook(name=hook_name)
# 'wait=True' allows us to store the sent message
try:
hook = await hook.send(username=author, avatar_url=avatar,
content=message, wait=True)
message_store[event_id] = hook
except discord.errors.HTTPException as e:
matrix_logger.warning(f"Failed to send message {event_id}: {e}")
class Callbacks(object):
async def message_callback(self, room, event):
# Don't act on activities in other rooms
if room.room_id != config["room_id"]:
return
# https://github.com/Rapptz/discord.py/issues/6058
# content_dict = event.source.get("content")
# try:
# if content_dict["m.relates_to"]["rel_type"] == "m.replace":
# edited_event = content_dict["m.relates_to"]["event_id"]
# edited_content = content_dict["m.new_content"]["body"]
# webhook_message = message_cache[edited_event]
# await something_edit_webhook(webhook_message, edited_content)
# return
# except KeyError:
# pass
message = event.body
if not message:
return
# Don't act on ourselves
if event.sender == matrix_client.user:
return
author = event.sender[1:]
avatar = None
homeserver = author.split(":")[-1]
url = "https://matrix.org/_matrix/media/r0/download"
message = await Process().matrix(message)
# Get attachments
try:
attachment = event.url.split("/")[-1]
# Highlight attachment name
message = f"`{message}`"
message += f"\n{url}/{homeserver}/{attachment}"
except AttributeError:
pass
# Get avatar
for user in room.users.values():
if user.user_id == event.sender:
if user.avatar_url:
avatar = user.avatar_url.split("/")[-1]
avatar = f"{url}/{homeserver}/{avatar}"
break
def main():
# Start Discord bot
discord_client.run(config["token"])
await DiscordClient().webhook_send(
author, avatar, message, event.event_id)
async def redaction_callback(self, room, event):
# Don't act on activities in other rooms
if room.room_id != config["room_id"]:
return
# Don't act on ourselves
if event.sender == matrix_client.user:
return
# Redact webhook message
try:
message = message_store[event.redacts]
await message.delete()
except KeyError:
pass
async def typing_callback(self, room, event):
# Don't act on activities in other rooms
if room.room_id != config["room_id"]:
return
if room.typing_users:
# Don't act on ourselves
if len(room.typing_users) == 1 \
and room.typing_users[0] == matrix_client.user:
return
# Send typing event
async with channel.typing():
pass
class Process(object):
async def discord(self, message):
content = message.clean_content
replied_event = None
if message.reference:
replied_message = await message.channel.fetch_message(
message.reference.message_id)
try:
replied_event = message_store[replied_message.id]
except KeyError:
pass
# Replace emote IDs with names
content = re.sub(r"<a?(:\w+:)\d*>", r"\g<1>", content)
# Append attachments to message
for attachment in message.attachments:
content += f"\n{attachment.url}"
content = f"<{message.author.name}> {content}"
return content, replied_event
async def matrix(self, message):
message = message.replace("@everyone", "@\u200Beveryone")
message = message.replace("@here", "@\u200Bhere")
mentions = re.findall(r"(^|\s)(@(\w*))", message)
emotes = re.findall(r":(.*?):", message)
guild = channel.guild
for emote in emotes:
emote_ = discord.utils.get(guild.emojis, name=emote)
if emote_:
message = message.replace(f":{emote}:", str(emote_))
for mention in mentions:
member = await guild.query_members(query=mention[2])
if member:
message = message.replace(mention[1], member[0].mention)
return message
async def main():
intents = discord.Intents.default()
intents.members = True
await MatrixClient().create()
await DiscordClient(intents=intents).start(config["token"])
if __name__ == "__main__":
main()
asyncio.run(main())