116 行
4.9 KiB
Python
116 行
4.9 KiB
Python
# SPDX-FileCopyrightText: 2022 n9k [https://git.076.ne.jp/ninya9k]
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# SPDX-License-Identifier: AGPL-3.0-or-later
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import os
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import secrets
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import toml
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from collections import OrderedDict
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from quart import Quart
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from werkzeug.security import generate_password_hash
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from anonstream.utils.captcha import create_captcha_factory, create_captcha_signer
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from anonstream.utils.colour import color_to_colour
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from anonstream.utils.user import generate_token
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def create_app(config_file):
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with open(config_file) as fp:
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config = toml.load(fp)
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auth_password = secrets.token_urlsafe(6)
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auth_pwhash = generate_password_hash(auth_password)
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print('Broadcaster username:', config['auth']['username'])
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print('Broadcaster password:', auth_password)
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app = Quart('anonstream')
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app.jinja_options.update({
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'trim_blocks': True,
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'lstrip_blocks': True,
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})
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app.config.update({
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'SECRET_KEY_STRING': config['secret_key'],
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'SECRET_KEY': config['secret_key'].encode(),
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'AUTH_USERNAME': config['auth']['username'],
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'AUTH_PWHASH': auth_pwhash,
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'AUTH_TOKEN': generate_token(),
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'SEGMENT_DIRECTORY': os.path.realpath(config['segments']['directory']),
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'SEGMENT_PLAYLIST': os.path.join(os.path.realpath(config['segments']['directory']), config['segments']['playlist']),
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'SEGMENT_PLAYLIST_CACHE_LIFETIME': config['segments']['playlist_cache_lifetime'],
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'SEGMENT_PLAYLIST_STALE_THRESHOLD': config['segments']['playlist_stale_threshold'],
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'SEGMENT_SEARCH_COOLDOWN': config['segments']['search_cooldown'],
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'SEGMENT_SEARCH_TIMEOUT': config['segments']['search_timeout'],
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'SEGMENT_STREAM_INITIAL_BUFFER': config['segments']['stream_initial_buffer'],
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'STREAM_TITLE': config['title']['file'],
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'STREAM_TITLE_CACHE_LIFETIME': config['title']['file_cache_lifetime'],
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'DEFAULT_HOST_NAME': config['names']['broadcaster'],
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'DEFAULT_ANON_NAME': config['names']['anonymous'],
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'MAX_STATES': config['memory']['states'],
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'MAX_CAPTCHAS': config['memory']['captchas'],
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'MAX_CHAT_MESSAGES': config['memory']['chat_messages'],
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'MAX_CHAT_SCROLLBACK': config['memory']['chat_scrollback'],
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'TASK_PERIOD_ROTATE_USERS': config['tasks']['rotate_users'],
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'TASK_PERIOD_ROTATE_CAPTCHAS': config['tasks']['rotate_captchas'],
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'TASK_PERIOD_BROADCAST_USERS_UPDATE': config['tasks']['broadcast_users_update'],
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'TASK_PERIOD_BROADCAST_STREAM_INFO_UPDATE': config['tasks']['broadcast_stream_info_update'],
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'THRESHOLD_USER_NOTWATCHING': config['thresholds']['user_notwatching'],
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'THRESHOLD_USER_TENTATIVE': config['thresholds']['user_tentative'],
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'THRESHOLD_USER_ABSENT': config['thresholds']['user_absent'],
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'THRESHOLD_NOJS_CHAT_TIMEOUT': config['thresholds']['nojs_chat_timeout'],
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'CHAT_COMMENT_MAX_LENGTH': config['chat']['max_name_length'],
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'CHAT_NAME_MAX_LENGTH': config['chat']['max_name_length'],
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'CHAT_NAME_MIN_CONTRAST': config['chat']['min_name_contrast'],
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'CHAT_BACKGROUND_COLOUR': color_to_colour(config['chat']['background_color']),
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'CHAT_LEGACY_TRIPCODE_ALGORITHM': config['chat']['legacy_tripcode_algorithm'],
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'FLOOD_DURATION': config['flood']['duration'],
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'FLOOD_THRESHOLD': config['flood']['threshold'],
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'CAPTCHA_LIFETIME': config['captcha']['lifetime'],
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'CAPTCHA_FONTS': config['captcha']['fonts'],
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'CAPTCHA_ALPHABET': config['captcha']['alphabet'],
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'CAPTCHA_LENGTH': config['captcha']['length'],
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'CAPTCHA_BACKGROUND_COLOUR': color_to_colour(config['captcha']['background_color']),
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'CAPTCHA_FOREGROUND_COLOUR': color_to_colour(config['captcha']['foreground_color']),
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})
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assert app.config['MAX_STATES'] >= 0
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assert app.config['MAX_CHAT_SCROLLBACK'] >= 0
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assert (
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app.config['MAX_CHAT_MESSAGES'] >= app.config['MAX_CHAT_SCROLLBACK']
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)
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assert (
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app.config['THRESHOLD_USER_ABSENT']
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>= app.config['THRESHOLD_USER_TENTATIVE']
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>= app.config['THRESHOLD_USER_NOTWATCHING']
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)
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app.messages_by_id = OrderedDict()
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app.messages = app.messages_by_id.values()
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app.users_by_token = {}
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app.users = app.users_by_token.values()
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app.captchas = OrderedDict()
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app.captcha_factory = create_captcha_factory(app.config['CAPTCHA_FONTS'])
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app.captcha_signer = create_captcha_signer(app.config['SECRET_KEY'])
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# State for tasks
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app.users_update_buffer = set()
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app.stream_title = None
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app.stream_uptime = None
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app.stream_viewership = None
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# Background tasks' asyncio.sleep tasks, cancelled on shutdown
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app.background_sleep = set()
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@app.after_serving
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async def shutdown():
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# make all background tasks finish
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for task in app.background_sleep:
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task.cancel()
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@app.before_serving
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async def startup():
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import anonstream.routes
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import anonstream.tasks
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return app
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