198 lines
6.5 KiB
Python
198 lines
6.5 KiB
Python
import traceback
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import re
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import os
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import sys
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import importlib
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from matrix_client.client import MatrixClient
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from matrix_client.api import MatrixRequestError, MatrixHttpApi
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from matrix_client.user import User
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from matrix_bot_api.mregex_handler import MRegexHandler
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HELP_LOCATION = os.path.join(os.path.dirname(__file__), 'help')
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private_message = "Hey {}! Ik heb je even een privébericht gestuurd 🙂"
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def eprint(*args, **kwargs):
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print(*args, file=sys.stderr, **kwargs)
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class MatrixBotAPI:
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# rooms - List of rooms ids to operate in, or None to accept all rooms
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def __init__(self, config, rooms=None):
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self.username = config['bot_credentials']['username']
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# Authenticate with given credentials
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self.client = MatrixClient(config['bot_credentials']['server'])
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try:
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self.token = self.client.login_with_password(
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config['bot_credentials']['username'],
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config['bot_credentials']['password'])
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except MatrixRequestError as e:
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print(e)
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if e.code == 403:
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print("Bad username/password")
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except Exception as e:
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print("Invalid server URL")
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traceback.print_exc()
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self.api = MatrixHttpApi(
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config['bot_credentials']['server'],
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token=self.token)
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# Store allowed rooms
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self.rooms = rooms
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# Store empty list of handlers
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self.handlers = []
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# If rooms is None, we should listen for invites and automatically
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# accept them
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if rooms is None:
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self.client.add_invite_listener(self.handle_invite)
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self.rooms = []
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# Add all rooms we're currently in to self.rooms and add their
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# callbacks
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for room_id, room in self.client.get_rooms().items():
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room.add_listener(self.handle_message)
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self.rooms.append(room_id)
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else:
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# Add the message callback for all specified rooms
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for room in self.rooms:
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room.add_listener(self.handle_message)
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# This flag can be set by the calling function to cancel all threads
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# of all plugins
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self.cancel = False
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# Store empty list of plugins
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self.plugins = []
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# Try to import plugins. All plugins must be located in the
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# ./plugins directory
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modules = []
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try:
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for plugin in config['plugins']:
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modules.append(
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importlib.import_module(
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"plugins.{0}.{0}".format(plugin), package = None))
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except:
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eprint("Importing one or more of the plugins did not go well!")
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sys.exit()
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# Loop through the available modules and add their handler variables
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for i, module in enumerate(modules):
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# Create new instance of plugin and append to plugins array
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self.plugins.append(module.Plugin(self))
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# Add handler of newly created instance to bot
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self.add_handler(self.plugins[i].handler)
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# Run setup
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self.setup(config)
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# Add callback for help function
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self.help_handler = MRegexHandler("Peter help", self.help)
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self.add_handler(self.help_handler)
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def setup(self, config):
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"""This function only runs once, ever. It initializes an SQLite
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database, sets the bot's avatar, and name"""
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try:
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# Try to make new directory
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os.mkdir("data")
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# Get user instance
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self.user = self.client.get_user(self.username)
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# Set username
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self.user.set_display_name(config['character']['name'])
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# Open, upload, and set avatar
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f = open(config['character']['avatar'], mode="rb")
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avatar = self.client.upload(f, config['charactar']['avatar_mime'])
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self.user.set_avatar_url(avatar)
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except FileExistsError:
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# Do nothing, data directory already exists
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pass
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def send_message_private_public(self, room, event, message):
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orig_room = room
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found_room = False
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for room_id, room in self.client.get_rooms().items():
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joined_members = room.get_joined_members()
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# Check for rooms with only two members
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if len(joined_members) == 2:
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# Check if sender is in that room
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for member in joined_members:
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if event['sender'] == member.user_id:
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found_room = True
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if found_room:
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# If the flag is set, we do not need to check further rooms
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break
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# Send help message to an existing room or to a new room
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if found_room:
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room.send_html(message)
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else:
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room = self.client.create_room(invitees=[event['sender']]);
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room.send_html(message)
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if room != orig_room:
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display_name_sender = self.api.get_display_name(event['sender'])
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orig_room.send_text(private_message.format(display_name_sender))
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def help(self, room, event):
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"""Prints a general help message and then grabs all help
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messages from the different plugins
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"""
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help_text = open(HELP_LOCATION, mode="r").read()
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for plugin in self.plugins:
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help_text += plugin.help()
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self.send_message_private_public(room, event, help_text)
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def add_handler(self, handler):
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self.handlers.append(handler)
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def handle_message(self, room, event):
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# Make sure we didn't send this message
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if re.match("@" + self.username, event['sender']):
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return
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# Loop through all installed handlers and see if they need to be called
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for handler in self.handlers:
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if handler.test_callback(room, event):
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# This handler needs to be called
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try:
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handler.handle_callback(room, event)
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except:
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traceback.print_exc()
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def handle_invite(self, room_id, state):
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print("Got invite to room: " + str(room_id))
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print("Joining...")
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room = self.client.join_room(room_id)
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# Add message callback for this room
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room.add_listener(self.handle_message)
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# Add room to list
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self.rooms.append(room)
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def start_polling(self):
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# Starts polling for messages
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self.client.start_listener_thread()
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return self.client.sync_thread
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