239 lines
8.5 KiB
Python
Executable File
239 lines
8.5 KiB
Python
Executable File
#!/usr/bin/env python3
|
|
|
|
import asyncio
|
|
import os
|
|
import json
|
|
import glob
|
|
import traceback
|
|
import importlib
|
|
import sys
|
|
import re
|
|
import requests
|
|
import json
|
|
import urllib.parse
|
|
from nio import (AsyncClient, RoomMessageText, RoomMessageUnknown, JoinError, InviteEvent)
|
|
|
|
# Couple of custom exceptions
|
|
class CommandRequiresAdmin(Exception):
|
|
pass
|
|
|
|
class CommandRequiresOwner(Exception):
|
|
pass
|
|
|
|
class Bot:
|
|
appid = 'org.vranki.hemppa'
|
|
version = '1.1'
|
|
client = None
|
|
join_on_invite = False
|
|
modules = dict()
|
|
pollcount = 0
|
|
poll_task = None
|
|
owners = []
|
|
|
|
async def send_text(self, room, body):
|
|
msg = {
|
|
"body": body,
|
|
"msgtype": "m.text"
|
|
}
|
|
await self.client.room_send(room.room_id, 'm.room.message', msg)
|
|
|
|
async def send_html(self, room, html, plaintext):
|
|
msg = {
|
|
"msgtype": "m.text",
|
|
"format": "org.matrix.custom.html",
|
|
"formatted_body": html,
|
|
"body": plaintext
|
|
}
|
|
await self.client.room_send(room.room_id, 'm.room.message', msg)
|
|
|
|
def get_room_by_id(self, room_id):
|
|
return self.client.rooms[room_id]
|
|
|
|
# Throws exception if event sender is not a room admin
|
|
def must_be_admin(self, room, event):
|
|
if not self.is_admin(room, event):
|
|
raise CommandRequiresAdmin
|
|
|
|
# Throws exception if event sender is not a bot owner
|
|
def must_be_owner(self, event):
|
|
if not self.is_owner(event):
|
|
raise CommandRequiresOwner
|
|
|
|
# Returns true if event's sender is admin in the room event was sent in
|
|
def is_admin(self, room, event):
|
|
if not event.sender in room.power_levels.users:
|
|
return False
|
|
return room.power_levels.users[event.sender] >= 50
|
|
|
|
# Returns true if event's sender is owner of the bot
|
|
def is_owner(self, event):
|
|
return event.sender in self.owners
|
|
|
|
def save_settings(self):
|
|
module_settings = dict()
|
|
for modulename, moduleobject in self.modules.items():
|
|
if "get_settings" in dir(moduleobject):
|
|
try:
|
|
module_settings[modulename] = moduleobject.get_settings()
|
|
except:
|
|
traceback.print_exc(file=sys.stderr)
|
|
data = { self.appid: self.version, 'module_settings': module_settings}
|
|
self.set_account_data(data)
|
|
|
|
def load_settings(self, data):
|
|
if not data:
|
|
return
|
|
if not data.get('module_settings'):
|
|
return
|
|
for modulename, moduleobject in self.modules.items():
|
|
if data['module_settings'].get(modulename):
|
|
if "set_settings" in dir(moduleobject):
|
|
try:
|
|
moduleobject.set_settings(data['module_settings'][modulename])
|
|
except:
|
|
traceback.print_exc(file=sys.stderr)
|
|
|
|
async def message_cb(self, room, event):
|
|
# Figure out the command
|
|
body = event.body
|
|
if len(body) == 0:
|
|
return
|
|
command = body.split().pop(0)
|
|
|
|
# Strip away non-alphanumeric characters, including leading ! for security
|
|
command = re.sub(r'\W+', '', command)
|
|
|
|
moduleobject = self.modules.get(command)
|
|
|
|
if "matrix_message" in dir(moduleobject):
|
|
try:
|
|
await moduleobject.matrix_message(bot, room, event)
|
|
except CommandRequiresAdmin:
|
|
await self.send_text(room, f'Sorry, you need admin power level in this room to run that command.')
|
|
except CommandRequiresOwner:
|
|
await self.send_text(room, f'Sorry, only bot owner can run that command.')
|
|
except:
|
|
await self.send_text(room, f'Module {command} experienced difficulty: {sys.exc_info()[0]} - see log for details')
|
|
traceback.print_exc(file=sys.stderr)
|
|
|
|
async def invite_cb(self, room, event):
|
|
if self.join_on_invite or self.is_owner(event):
|
|
for attempt in range(3):
|
|
result = await self.client.join(room.room_id)
|
|
if type(result) == JoinError:
|
|
print(f"Error joining room {room.room_id} (attempt %d): %s",
|
|
attempt, result.message,
|
|
)
|
|
else:
|
|
break
|
|
else:
|
|
print('Received invite event, but not joining as sender is not owner or bot not configured to join on invte.')
|
|
|
|
def load_module(self, modulename):
|
|
try:
|
|
module = importlib.import_module('modules.' + modulename)
|
|
cls = getattr(module, 'MatrixModule')
|
|
return cls()
|
|
except ModuleNotFoundError:
|
|
print('Module ', modulename, ' failed to load!')
|
|
traceback.print_exc(file=sys.stderr)
|
|
return None
|
|
|
|
def get_modules(self):
|
|
modulefiles = glob.glob('./modules/*.py')
|
|
|
|
for modulefile in modulefiles:
|
|
modulename = os.path.splitext(os.path.basename(modulefile))[0]
|
|
moduleobject = self.load_module(modulename)
|
|
if moduleobject:
|
|
self.modules[modulename] = moduleobject
|
|
|
|
async def poll_timer(self):
|
|
while True:
|
|
self.pollcount = self.pollcount + 1
|
|
for modulename, moduleobject in self.modules.items():
|
|
if "matrix_poll" in dir(moduleobject):
|
|
try:
|
|
await moduleobject.matrix_poll(bot, self.pollcount)
|
|
except:
|
|
traceback.print_exc(file=sys.stderr)
|
|
await asyncio.sleep(10)
|
|
|
|
def set_account_data(self, data):
|
|
userid = urllib.parse.quote(os.environ['MATRIX_USER'])
|
|
|
|
ad_url = f"{self.client.homeserver}/_matrix/client/r0/user/{userid}/account_data/{self.appid}?access_token={self.client.access_token}"
|
|
|
|
response = requests.put(ad_url, json.dumps(data))
|
|
if response.status_code != 200:
|
|
print('Setting account data failed:', response, response.json())
|
|
|
|
def get_account_data(self):
|
|
userid = urllib.parse.quote(os.environ['MATRIX_USER'])
|
|
|
|
ad_url = f"{self.client.homeserver}/_matrix/client/r0/user/{userid}/account_data/{self.appid}?access_token={self.client.access_token}"
|
|
|
|
response = requests.get(ad_url)
|
|
if response.status_code == 200:
|
|
return response.json()
|
|
print(f'Getting account data failed: {response} {response.json()} - this is normal if you have not saved any settings yet.')
|
|
return None
|
|
|
|
def init(self):
|
|
self.client = AsyncClient(os.environ['MATRIX_SERVER'], os.environ['MATRIX_USER'])
|
|
self.client.access_token = os.getenv('MATRIX_ACCESS_TOKEN')
|
|
self.join_on_invite = os.getenv("JOIN_ON_INVITE") is not None
|
|
self.owners = os.environ['BOT_OWNERS'].split(',')
|
|
self.get_modules()
|
|
|
|
def stop(self):
|
|
print(f'Stopping {len(self.modules)} modules..')
|
|
for modulename, moduleobject in self.modules.items():
|
|
print('Stopping', modulename, '..')
|
|
if "matrix_stop" in dir(moduleobject):
|
|
try:
|
|
moduleobject.matrix_stop(bot)
|
|
except:
|
|
traceback.print_exc(file=sys.stderr)
|
|
|
|
async def run(self):
|
|
if not self.client.access_token:
|
|
await self.client.login(os.environ['MATRIX_PASSWORD'])
|
|
print("Logged in with password, access token:", self.client.access_token)
|
|
|
|
await self.client.sync()
|
|
|
|
print(f'Starting {len(self.modules)} modules..')
|
|
for modulename, moduleobject in self.modules.items():
|
|
print('Starting', modulename, '..')
|
|
if "matrix_start" in dir(moduleobject):
|
|
try:
|
|
moduleobject.matrix_start(bot)
|
|
except:
|
|
traceback.print_exc(file=sys.stderr)
|
|
|
|
self.poll_task = asyncio.get_event_loop().create_task(self.poll_timer())
|
|
|
|
if self.client.logged_in:
|
|
self.load_settings(self.get_account_data())
|
|
self.client.add_event_callback(self.message_cb, RoomMessageText)
|
|
self.client.add_event_callback(self.invite_cb, (InviteEvent,))
|
|
|
|
if self.join_on_invite:
|
|
print('Note: Bot will join rooms if invited')
|
|
print('Bot running as', self.client.user, ', owners', self.owners)
|
|
await self.client.sync_forever(timeout=30000)
|
|
else:
|
|
print('Client was not able to log in, check env variables!')
|
|
|
|
|
|
bot = Bot()
|
|
bot.init()
|
|
try:
|
|
asyncio.get_event_loop().run_until_complete(bot.run())
|
|
except KeyboardInterrupt:
|
|
if bot.poll_task:
|
|
bot.poll_task.cancel()
|
|
|
|
bot.stop()
|