Add Plugin system

This commit is contained in:
Patrick Neff 2020-08-06 17:16:43 +02:00
parent 13f1c93778
commit 46681e1a6c
11 changed files with 298 additions and 80 deletions

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@ -1,2 +1,2 @@
[settings]
known_third_party = appdirs,click,markdown,nio,setuptools
known_third_party = aiohttp,appdirs,click,markdown,nio,setuptools

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@ -1,4 +1,5 @@
import asyncio
import getpass
import json
import logging
import os
@ -14,6 +15,7 @@ from nio import (AsyncClient, AsyncClientConfig, InviteEvent,
RoomMessageText, SyncResponse, ToDeviceError)
from .config import Config
from .plugins import all_plugins
from .utils import setup_logger
# from .message import TextMessage
@ -21,14 +23,18 @@ from .utils import setup_logger
class Bot(object):
def __init__(self) -> None:
self.__client = None
self.__logger = setup_logger(__name__)
self.logger.debug('Initializing Bot')
self.__loop = asyncio.get_running_loop()
self.__first_sync = True
self.__command_plugins = {}
self.__message_plugins = {}
self.__runtime_plugins = {}
for s in (signal.SIGINT, signal.SIGTERM):
self.__loop.add_signal_handler(s, self.__signal_handler)
async def login(self) -> AsyncClient:
async def login(self) -> (AsyncClient, None):
"""Login to the matrix homeserver defined in the config file.
"""
self.logger.debug('Starting login process')
@ -51,22 +57,27 @@ class Bot(object):
if not os.path.exists(Config.STORE_PATH):
os.makedirs(Config.STORE_PATH)
credentials = self._ask_credentials()
credentials = self.__ask_credentials()
# Initialize the matrix client
client = AsyncClient(
self.__client = AsyncClient(
credentials['homeserver'],
credentials['user_id'],
store_path=Config.STORE_PATH,
config=self.client_config,
)
pw = click.prompt(click.style('Your Password', bold=True),
hide_input=True)
resp = await client.login(password=pw,
device_name=credentials['device_name'])
pw = None
try:
pw = getpass.getpass(click.style('Your Password: ', bold=True))
except EOFError:
print()
await self.shutdown()
return None
finally:
if pw:
resp = await self.client.login(
password=pw, device_name=credentials['device_name'])
del pw
# check that we logged in succesfully
@ -100,37 +111,37 @@ class Bot(object):
with open(Config.CONFIG_FILE, 'r') as f:
self.__config = json.load(f)
# Initialize the matrix client based on credentials from file
client = AsyncClient(
self.config['homeserver'],
self.config['user_id'],
device_id=self.config['device_id'],
self.__client = AsyncClient(
self.config['credentials']['homeserver'],
self.config['credentials']['user_id'],
device_id=self.config['credentials']['device_id'],
store_path=Config.STORE_PATH,
config=self.client_config,
)
client.restore_login(
user_id=self.config['user_id'],
device_id=self.config['device_id'],
access_token=self.config['access_token'],
self.__client.restore_login(
user_id=self.config['credentials']['user_id'],
device_id=self.config['credentials']['device_id'],
access_token=self.config['credentials']['access_token'],
)
self.logger.debug('Logged in using stored credentials.')
self.__client = client
return self.__client
return client
async def sync(self) -> None:
self.logger.debug('Starting sync')
next_batch = self.__read_next_batch()
if self.client.should_upload_keys:
async def __upload_keys(self) -> None:
await self.client.keys_upload()
if self.client.should_query_keys:
await self.client.keys_query()
if self.client.should_claim_keys:
await self.client.keys_claim(self.get_users_for_key_claiming())
await self.client.keys_claim(
self.client.get_users_for_key_claiming())
async def sync(self) -> None:
self.logger.debug('Starting sync')
next_batch = self.__read_next_batch()
self.__upload_keys()
await self.client.sync(timeout=30000,
full_state=True,
@ -146,13 +157,11 @@ class Bot(object):
# Set up event callbacks
client = await self.login()
if getattr(self, 'client', None):
self.logger.debug('Adding callbacks')
client.add_to_device_callback(self.__to_device_callback,
(KeyVerificationEvent, ))
# Sync encryption keys with the server
# Required for participating in encrypted rooms
if self.client.should_upload_keys:
await self.client.keys_upload()
self.__upload_keys()
click.secho('\nStarting verification process...',
bold=True,
fg='green')
@ -168,12 +177,17 @@ class Bot(object):
async def run(self) -> None:
await self.login()
if self.__client:
self.client.add_response_callback(self.__sync_callback,
(SyncResponse, ))
self.client.add_event_callback(self.__message_callback,
(RoomMessage, ))
self.client.add_event_callback(self.__invite_callback, (InviteEvent, ))
self.client.add_event_callback(self.__invite_callback,
(InviteEvent, ))
self.__load_plugins()
for plugin in self.runtime_plugins.keys():
await self.runtime_plugins[plugin].on_run()
await self.sync_forever()
async def find_room_by_id(self, room_id: str) -> (MatrixRoom, None):
@ -182,7 +196,7 @@ class Bot(object):
return self.client.rooms[room_id]
return None
def _ask_credentials(self) -> dict:
def __ask_credentials(self) -> dict:
"""Ask the user for credentials
"""
try:
@ -195,7 +209,7 @@ class Bot(object):
if not homeserver.startswith('https://'):
homeserver = 'https://' + homeserver
user_id = '@user:gaja-group.com'
user_id = f'@{getpass.getuser()}:gaja-group.com'
user_id = click.prompt(click.style('Enter your full user ID',
bold=True),
default=user_id)
@ -207,7 +221,7 @@ class Bot(object):
)
except click.exceptions.Abort:
sys.exit(0)
sys.exit(1)
return {
'homeserver': homeserver,
@ -412,6 +426,7 @@ class Bot(object):
self.logger.info('Shutdown Bot')
for task in asyncio.Task.all_tasks():
task.cancel()
if getattr(self, 'client', None):
await self.client.close()
async def __sync_callback(self, event: any) -> None:
@ -426,14 +441,36 @@ class Bot(object):
async def __invite_callback(self, source: MatrixRoom, sender: any) -> None:
await self.client.join(source.room_id)
async def __handle_text_message(self, room: MatrixRoom,
message: RoomMessageText) -> None:
self.logger.debug('Handling Text Message %s', message)
for plugin in self.message_plugins.keys():
await self.message_plugins[plugin].on_message(room, message)
async def __handle_command_message(self, room: MatrixRoom,
message: RoomMessageText) -> None:
self.logger.debug('Handling Command Message %s', message)
if 'help' not in self.command_plugins.keys():
self.plugins['help'] = all_plugins['help']
body = message.body.split(' ')
plugin = self.command_plugins['help']
if len(body) > 1:
if (body[1] in self.command_plugins.keys()):
plugin = self.command_plugins[body[1]]
self.logger.debug('Handling Command %s', body[1])
await plugin.on_command(room, message)
async def __text_message_callback(self, source: MatrixRoom,
message: RoomMessageText) -> None:
self.logger.debug('Text Message Recieved: %s %s: %s', source.room_id,
message.sender, message.body)
if (message.body.startswith(self.config['config']['chat_prefix'])):
return await self.__handle_command_message(source, message)
else:
return await self.__handle_text_message(source, message)
async def __message_callback(self, source: MatrixRoom,
message: RoomMessage) -> None:
print(message)
self.logger.debug('Message Recieved')
if (isinstance(message, RoomMessageText)):
await self.__text_message_callback(source, message)
@ -441,6 +478,20 @@ class Bot(object):
def __signal_handler(self) -> None:
self.loop.create_task(self.shutdown())
# Plugins
def __load_plugins(self) -> None:
for plugin in self.config['config']['plugins']:
if plugin in all_plugins.keys():
obj = all_plugins[plugin](self, plugin)
self.logger.info('Loading plugin %s', plugin)
if getattr(obj, 'on_command', None):
self.command_plugins[plugin] = obj
if getattr(obj, 'on_message', None):
self.message_plugins[plugin] = obj
if getattr(obj, 'on_run', None):
self.runtime_plugins[plugin] = obj
# Files
def __write_details_to_disk(self, resp: LoginResponse,
@ -466,7 +517,11 @@ class Bot(object):
'user_id': resp.user_id,
'device_id': resp.device_id,
'access_token': resp.access_token,
}
},
'config': {
'chat_prefix': Config.CHAT_PREFIX,
'plugins': ['help']
},
},
f,
)
@ -501,3 +556,15 @@ class Bot(object):
@property
def client(self) -> AsyncClient:
return self.__client
@property
def message_plugins(self) -> list:
return self.__message_plugins
@property
def command_plugins(self) -> list:
return self.__command_plugins
@property
def runtime_plugins(self) -> list:
return self.__runtime_plugins

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@ -4,10 +4,11 @@ import sys
import click
from .bot import Bot
from .utils import run_async, setup_logger
from .client import send_message as client_send_message
from .config import Config
from .message import TextMessage, MarkdownMessage
from .exceptions import NoRoomException
from .message import MarkdownMessage, TextMessage
from .utils import run_async, setup_logger
logger = setup_logger(__name__)
@ -29,6 +30,7 @@ async def send_message(room_id: str, message: str, markdown: bool) -> None:
logger.debug('Sending a message to %s', room_id)
bot = Bot()
client = await bot.login()
if client:
await bot.sync()
room = await bot.find_room_by_id(room_id)
if markdown:
@ -113,5 +115,19 @@ def send(ctx: click.Context, room_id: str, message: list, markdown: bool,
run_async(send_message(room_id, ' '.join(message), markdown))
@cli.group()
@click.pass_context
def client(ctx: click.Context) -> None:
pass
@client.command('send')
@click.pass_context
@click.argument('room_id')
@click.argument('message', nargs=-1, required=True)
def client_send(ctx: click.Context, room_id: str, message: list) -> None:
run_async(client_send_message(room_id, ' '.join(message)))
if __name__ == '__main__':
cli(obj={})

18
matrix_bot/client.py Normal file
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@ -0,0 +1,18 @@
import aiohttp
async def send_message(room: str, message: str) -> None:
conn = aiohttp.UnixConnector(path='/tmp/test.sock')
try:
async with aiohttp.request('POST',
'http://localhost/',
json={
'type': 'message.text',
'room_id': room,
'message': message
},
connector=conn) as resp:
assert resp.status == 200
print(await resp.text())
finally:
await conn.close()

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@ -1,4 +1,5 @@
import os
import appdirs
@ -6,6 +7,7 @@ class Config:
APP_NAME = 'matrix-bot'
# Default Homeserver URL
HOMESERVER_URL = 'https://matrix.gaja-group.com'
CHAT_PREFIX = '!mbot'
@classmethod
def init(cls, botname: str = 'default', loglevel: int = 40) -> None:
@ -26,7 +28,6 @@ class Config:
'store') # local directory
cls.NEXT_BATCH_PATH = os.path.join(cls.DATA_DIRECTORY,
'next_batch') # local directory
print(cls.CONFIG_DIRECTORY)
Config.init()

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@ -1,11 +1,11 @@
import re
import logging
import re
from nio import AsyncClient, MatrixRoom
from markdown import markdown
from nio import AsyncClient, MatrixRoom
from .utils import setup_logger
from .exceptions import NoRoomException
from .utils import setup_logger
class Message(object):
@ -71,11 +71,12 @@ class MarkdownMessage(Message):
super().__init__(_type)
self.formatted_body = markdown(body)
self.format = 'org.matrix.custom.html'
self.body = self.__clean_html(self.formatted_body)
self.body = self.clean_html(self.formatted_body)
self.msgtype = msgtype
def __clean_html(self, raw_html: str) -> str:
cleantext = re.sub(self.clean_regexp, '', raw_html)
@classmethod
def clean_html(cls, raw_html: str) -> str:
cleantext = re.sub(cls.clean_regexp, '', raw_html)
return cleantext
@property

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@ -0,0 +1,13 @@
import importlib
import os
import pkgutil
pkg_dir = os.path.dirname(__file__)
all_plugins = {}
for (module_loader, name, ispkg) in pkgutil.iter_modules([pkg_dir]):
if not name.startswith('_'):
cls = importlib.import_module('.' + name, __package__).Plugin
all_plugins[name] = cls

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@ -0,0 +1,21 @@
import logging
from nio import AsyncClient
from ..utils import setup_logger
class _Plugin(object):
def __init__(self, bot: any, name: str) -> None:
self.__name = name
self.__bot = bot
self.__client = bot.client
self.__logger = setup_logger(f'{__package__}.{self.__name}')
@property
def logger(self) -> logging.Logger:
return self.__logger
@property
def client(self) -> AsyncClient:
return self.__client

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@ -0,0 +1,17 @@
from nio import MatrixRoom, RoomMessageText
from ..message import MarkdownMessage
from ._plugin import _Plugin
class Plugin(_Plugin):
help = 'Echo the given input back into the room'
async def on_command(self, room: MatrixRoom,
message: RoomMessageText) -> None:
body = message.body
if (message.formatted_body):
body = MarkdownMessage.clean_html(message.formatted_body)
body = ' '.join(body.split(' ')[2:])
message = MarkdownMessage(body)
await message.send(self.client, room)

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@ -0,0 +1,27 @@
from nio import MatrixRoom, RoomMessageText
from ..config import Config
from ..message import MarkdownMessage
from ._plugin import _Plugin
class Plugin(_Plugin):
help = 'Display this help message'
@property
def help_message(self) -> str:
prefix = Config.CHAT_PREFIX
message = ('# Help\n'
'Use the bot by starting a message with '
f'`{prefix}`\n\n'
'## Usage\n')
for plugin in self.__bot.command_plugins:
plugin = self.__bot.command_plugins[plugin]
message += f'* {prefix} {plugin.__name} - {plugin.help}\n'
return message
async def on_command(self, room: MatrixRoom,
message: RoomMessageText) -> None:
message = MarkdownMessage(self.help_message)
await message.send(self.client, room)

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@ -0,0 +1,37 @@
import json
from aiohttp import web
from ..message import MarkdownMessage
from ._plugin import _Plugin
class Plugin(_Plugin):
help = 'Echo the given input back into the room'
async def __handle_request(self, request: web.Request) -> None:
response = {'status': 'Bad Request', 'status_code': 400}
if request.has_body:
body = await request.json()
if 'type' in body.keys():
self.logger.debug('Request recieved: %s %s', request, body)
if body['type'] == 'message.text' and 'room_id' in body.keys(
) and 'message' in body.keys():
room = await self.__bot.find_room_by_id(body['room_id'])
message = MarkdownMessage(body['message'])
await message.send(self.client, room)
response = {'status': 'OK', 'status_code': 200}
return web.Response(body=json.dumps(response),
status=response['status_code'],
content_type='application/json')
async def on_run(self) -> None:
app = web.Application()
app.router.add_post('/', self.__handle_request)
runner = web.AppRunner(app)
self.logger.debug('Setup Web server')
await runner.setup()
self.logger.debug('Web server starts listening')
site = web.UnixSite(runner, '/tmp/test.sock')
await site.start()