Merge pull request 'Pull this too daddy.' (#10) from Yuuki/EliteBot:master into master
Reviewed-on: #10
This commit is contained in:
commit
55728ff7cb
2 changed files with 234 additions and 6 deletions
228
src/bot.py
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228
src/bot.py
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@ -0,0 +1,228 @@
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#!/usr/bin/env python3
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import asyncio
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import importlib.util
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import inspect
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import json
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import os
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import ssl
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import sys
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import yaml
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from src.channel_manager import ChannelManager
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from src.logger import Logger
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from src.plugin_base import PluginBase
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from src.sasl import handle_sasl, handle_authenticate, handle_903
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class Bot:
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def __init__(self, config_file):
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self.config = self.load_config(config_file)
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self.validate_config(self.config)
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self.connection_string = self.config['Database'].get('ConnectionString')
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self.channel_manager = ChannelManager()
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self.logger = Logger('logs/elitebot.log')
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self.connected = False
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self.reader = None
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self.writer = None
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self.running = True
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self.plugins = []
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self.load_plugins()
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def validate_config(self, config):
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required_fields = [
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['Connection', 'Port'],
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['Connection', 'Hostname'],
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['Connection', 'Nick'],
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['Connection', 'Ident'],
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['Connection', 'Name'],
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['Database', 'ConnectionString']
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]
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for field in required_fields:
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if not self.get_nested_config_value(config, field):
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raise ValueError(f'Missing required config field: {" -> ".join(field)}')
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def get_nested_config_value(self, config, keys):
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value = config
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for key in keys:
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value = value.get(key)
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if value is None:
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return None
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return value
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def load_plugins(self):
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self.plugins = []
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plugin_folder = './plugins'
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for filename in os.listdir(plugin_folder):
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if filename.endswith('.py'):
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filepath = os.path.join(plugin_folder, filename)
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spec = importlib.util.spec_from_file_location('module.name', filepath)
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module = importlib.util.module_from_spec(spec)
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spec.loader.exec_module(module)
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for name, obj in inspect.getmembers(module):
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if inspect.isclass(obj) and issubclass(obj, PluginBase) and obj is not PluginBase:
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plugin_instance = obj(self)
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self.plugins.append(plugin_instance)
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def load_config(self, config_file):
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_, ext = os.path.splitext(config_file)
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try:
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with open(config_file, 'r') as file:
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if ext == '.json':
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config = json.load(file)
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elif ext == '.yaml' or ext == '.yml':
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config = yaml.safe_load(file)
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else:
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raise ValueError(f'Unsupported file extension: {ext}')
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except FileNotFoundError as e:
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self.logger.error(f'Error loading config file: {e}')
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raise
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except (json.JSONDecodeError, yaml.YAMLError) as e:
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self.logger.error(f'Error parsing config file: {e}')
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raise
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return config
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def decode(self, bytes):
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for encoding in ['utf-8', 'latin1', 'iso-8859-1', 'cp1252']:
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try:
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return bytes.decode(encoding)
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except UnicodeDecodeError:
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continue
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self.logger.error('Could not decode byte string with any known encoding')
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return bytes.decode('utf-8', 'ignore')
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async def ircsend(self, msg):
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try:
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if msg != '':
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self.logger.info(f'Sending command: {msg}')
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self.writer.write(bytes(f'{msg}\r\n', 'UTF-8'))
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await self.writer.drain()
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except Exception as e:
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self.logger.error(f'Error sending IRC message: {e}')
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raise
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def parse_message(self, message):
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parts = message.split()
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if not parts:
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return None, None, []
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source = parts[0][1:] if parts[0].startswith(':') else None
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command = parts[1] if source else parts[0]
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args_start = 2 if source else 1
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args = []
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trailing_arg_start = None
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for i, part in enumerate(parts[args_start:], args_start):
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if part.startswith(':'):
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trailing_arg_start = i
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break
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else:
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args.append(part)
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if trailing_arg_start is not None:
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args.append(' '.join(parts[trailing_arg_start:])[1:])
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return source, command, args
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async def connect(self):
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try:
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ssl_context = None
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if str(self.config['Connection'].get('Port'))[:1] == '+':
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ssl_context = ssl.create_default_context(ssl.Purpose.SERVER_AUTH) # Corrected here
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self.reader, self.writer = await asyncio.open_connection(
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self.config['Connection'].get('Hostname'),
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int(self.config['Connection'].get('Port')[1:]) if ssl_context else int(
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self.config['Connection'].get('Port')),
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ssl=ssl_context
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)
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await self.ircsend(f'NICK {self.config["Connection"].get("Nick")}')
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await self.ircsend(
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f'USER {self.config["Connection"].get("Ident")} * * :{self.config["Connection"].get("Name")}')
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if self.config['SASL'].get('UseSASL'):
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await self.ircsend('CAP REQ :sasl')
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except Exception as e:
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self.logger.error(f'Error establishing connection: {e}')
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self.connected = False
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return
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async def start(self):
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while True:
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if not self.connected:
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try:
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await self.connect()
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self.connected = True
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except Exception as e:
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self.logger.error(f'Connection error: {e}')
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await asyncio.sleep(60)
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continue
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try:
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recvText = await self.reader.read(2048)
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if not recvText:
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self.connected = False
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continue
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ircmsg = self.decode(recvText)
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if '\r\n' in ircmsg:
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messages = ircmsg.split('\r\n')
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elif '\n' in ircmsg:
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messages = ircmsg.split('\n')
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else:
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messages = [ircmsg] # If no newline characters, treat the whole message as a single message
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for message in messages:
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if message: # Check if message is not empty
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source, command, args = self.parse_message(message)
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self.logger.debug(f'Received: source: {source} | command: {command} | args: {args}')
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match command:
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case 'PING':
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nospoof = args[0][1:] if args[0].startswith(':') else args[0]
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await self.ircsend(f'PONG :{nospoof}')
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continue
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case 'PRIVMSG':
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channel, message = args[0], args[1]
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source_nick = source.split('!')[0]
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if message.startswith('&'):
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cmd, *cmd_args = message[1:].split()
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self.handle_command(source_nick, channel, cmd, cmd_args)
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if args[1].startswith('\x01VERSION\x01'):
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source_nick = source.split('!')[0]
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await self.ircsend(f'NOTICE {source_nick} :\x01VERSION EliteBot 0.1\x01')
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for plugin in self.plugins:
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await plugin.handle_message(source_nick, channel, message)
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case 'CAP':
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if args[1] == 'ACK' and 'sasl' in args[2]:
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await handle_sasl(self.config, self.ircsend)
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case 'AUTHENTICATE':
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await handle_authenticate(args, self.config, self.ircsend)
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case 'INVITE':
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channel = args[1]
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await self.ircsend(f'JOIN {channel}')
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self.channel_manager.save_channel(channel)
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case 'VERSION':
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await self.ircsend(f'NOTICE {source_nick} :I am a bot version 1.0.0')
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case '001':
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for channel in self.channel_manager.get_channels():
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await self.ircsend(f'JOIN {channel}')
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case '903':
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await handle_903(self.ircsend)
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case _:
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continue
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except Exception as e:
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self.logger.error(f'General error: {e}')
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self.connected = False
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if __name__ == '__main__':
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try:
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bot = Bot(sys.argv[1])
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asyncio.run(bot.start())
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except KeyboardInterrupt:
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print('\nEliteBot has been stopped.')
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except Exception as e:
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print(f'An unexpected error occurred: {e}')
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12
src/sasl.py
12
src/sasl.py
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@ -5,7 +5,7 @@ NULL_BYTE = '\x00'
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ENCODING = 'UTF-8'
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def handle_sasl(config, ircsend):
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async def handle_sasl(config, ircsend):
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"""
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Handles SASL authentication by sending an AUTHENTICATE command.
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@ -13,10 +13,10 @@ def handle_sasl(config, ircsend):
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config (dict): Configuration dictionary
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ircsend (function): Function to send IRC commands
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"""
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ircsend('AUTHENTICATE PLAIN')
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await ircsend('AUTHENTICATE PLAIN')
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def handle_authenticate(args, config, ircsend):
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async def handle_authenticate(args, config, ircsend):
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"""
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Handles the AUTHENTICATE command response.
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@ -31,16 +31,16 @@ def handle_authenticate(args, config, ircsend):
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f'{config["SASL"]["SASLNick"]}{NULL_BYTE}'
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f'{config["SASL"]["SASLPassword"]}')
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ap_encoded = base64.b64encode(authpass.encode(ENCODING)).decode(ENCODING)
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ircsend(f'AUTHENTICATE {ap_encoded}')
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await ircsend(f'AUTHENTICATE {ap_encoded}')
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else:
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raise KeyError('SASLNICK and/or SASLPASS not found in config')
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def handle_903(ircsend):
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async def handle_903(ircsend):
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"""
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Handles the 903 command by sending a CAP END command.
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Parameters:
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ircsend (function): Function to send IRC commands
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"""
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ircsend('CAP END')
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await ircsend('CAP END')
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