mirror of
https://github.com/xfgryujk/blivechat.git
synced 2024-12-26 21:00:15 +08:00
464 lines
15 KiB
Python
464 lines
15 KiB
Python
# -*- coding: utf-8 -*-
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import asyncio
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import enum
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import json
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import logging
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import random
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import time
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import uuid
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from typing import *
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import aiohttp
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import tornado.websocket
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import yarl
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import api.base
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import blivedm.blivedm.clients.web as dm_web_cli
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import config
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import services.avatar
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import services.chat
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import services.translate
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import utils.async_io
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import utils.request
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logger = logging.getLogger(__name__)
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class Command(enum.IntEnum):
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HEARTBEAT = 0
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JOIN_ROOM = 1
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ADD_TEXT = 2
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ADD_GIFT = 3
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ADD_MEMBER = 4
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ADD_SUPER_CHAT = 5
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DEL_SUPER_CHAT = 6
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UPDATE_TRANSLATION = 7
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FATAL_ERROR = 8
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class ContentType(enum.IntEnum):
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TEXT = 0
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EMOTICON = 1
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class FatalErrorType(enum.IntEnum):
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AUTH_CODE_ERROR = 1
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TOO_MANY_RETRIES = 2
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def make_message_body(cmd, data):
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return json.dumps(
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{
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'cmd': cmd,
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'data': data
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}
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).encode('utf-8')
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def make_text_message_data(
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avatar_url: str = services.avatar.DEFAULT_AVATAR_URL,
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timestamp: int = None,
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author_name: str = '',
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author_type: int = 0,
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content: str = '',
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privilege_type: int = 0,
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is_gift_danmaku: bool = False,
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author_level: int = 1,
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is_newbie: bool = False,
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is_mobile_verified: bool = True,
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medal_level: int = 0,
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id_: str = None,
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translation: str = '',
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content_type: int = ContentType.TEXT,
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content_type_params: list = None,
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uid: str = '',
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medal_name: str = '',
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):
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# 为了节省带宽用list而不是dict
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return [
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# 0: avatarUrl
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avatar_url,
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# 1: timestamp
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timestamp if timestamp is not None else int(time.time()),
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# 2: authorName
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author_name,
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# 3: authorType
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author_type,
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# 4: content
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content,
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# 5: privilegeType
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privilege_type,
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# 6: isGiftDanmaku
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1 if is_gift_danmaku else 0,
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# 7: authorLevel
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author_level,
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# 8: isNewbie
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1 if is_newbie else 0,
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# 9: isMobileVerified
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1 if is_mobile_verified else 0,
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# 10: medalLevel
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medal_level,
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# 11: id
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id_ if id_ is not None else uuid.uuid4().hex,
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# 12: translation
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translation,
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# 13: contentType
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content_type,
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# 14: contentTypeParams
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content_type_params if content_type_params is not None else [],
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# 15: textEmoticons
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[], # 已废弃，保留
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# 16: uid
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uid,
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# 17: medalName
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medal_name,
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]
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def make_emoticon_params(url):
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return [
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# 0: url
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url,
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]
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def make_translation_message_data(msg_id, translation):
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return [
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# 0: id
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msg_id,
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# 1: translation
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translation,
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]
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class ChatHandler(tornado.websocket.WebSocketHandler):
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HEARTBEAT_INTERVAL = 10
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RECEIVE_TIMEOUT = HEARTBEAT_INTERVAL + 5
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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self._heartbeat_timer_handle = None
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self._receive_timeout_timer_handle = None
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self.room_key: Optional[services.chat.RoomKey] = None
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self.auto_translate = False
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def open(self):
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logger.info('client=%s connected', self.request.remote_ip)
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self._heartbeat_timer_handle = asyncio.get_running_loop().call_later(
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self.HEARTBEAT_INTERVAL, self._on_send_heartbeat
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)
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self._refresh_receive_timeout_timer()
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def _on_send_heartbeat(self):
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self.send_cmd_data(Command.HEARTBEAT, {})
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self._heartbeat_timer_handle = asyncio.get_running_loop().call_later(
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self.HEARTBEAT_INTERVAL, self._on_send_heartbeat
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)
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def _refresh_receive_timeout_timer(self):
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if self._receive_timeout_timer_handle is not None:
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self._receive_timeout_timer_handle.cancel()
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self._receive_timeout_timer_handle = asyncio.get_running_loop().call_later(
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self.RECEIVE_TIMEOUT, self._on_receive_timeout
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)
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def _on_receive_timeout(self):
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logger.info('client=%s timed out', self.request.remote_ip)
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self._receive_timeout_timer_handle = None
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self.close()
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def on_close(self):
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logger.info('client=%s disconnected, room=%s', self.request.remote_ip, self.room_key)
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if self.has_joined_room:
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services.chat.client_room_manager.del_client(self.room_key, self)
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if self._heartbeat_timer_handle is not None:
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self._heartbeat_timer_handle.cancel()
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self._heartbeat_timer_handle = None
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if self._receive_timeout_timer_handle is not None:
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self._receive_timeout_timer_handle.cancel()
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self._receive_timeout_timer_handle = None
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def on_message(self, message):
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try:
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body = json.loads(message)
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cmd = int(body['cmd'])
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if cmd == Command.HEARTBEAT:
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# 超时没有加入房间也断开
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if self.has_joined_room:
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self._refresh_receive_timeout_timer()
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elif cmd == Command.JOIN_ROOM:
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self._on_join_room_req(body)
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else:
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logger.warning('client=%s unknown cmd=%d, body=%s', self.request.remote_ip, cmd, body)
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except Exception: # noqa
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logger.exception('client=%s on_message error, message=%s', self.request.remote_ip, message)
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def _on_join_room_req(self, body: dict):
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if self.has_joined_room:
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return
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data = body['data']
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room_key_dict = data.get('roomKey', None)
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if room_key_dict is not None:
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self.room_key = services.chat.RoomKey.from_dict(room_key_dict)
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else:
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# 兼容旧版客户端 TODO 过几个版本可以移除
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self.room_key = services.chat.RoomKey(services.chat.RoomKeyType.ROOM_ID, int(data['roomId']))
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logger.info('client=%s joining room %s', self.request.remote_ip, self.room_key)
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try:
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cfg = data['config']
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self.auto_translate = bool(cfg['autoTranslate'])
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except KeyError:
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pass
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services.chat.client_room_manager.add_client(self.room_key, self)
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utils.async_io.create_task_with_ref(self._on_joined_room())
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self._refresh_receive_timeout_timer()
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# 跨域测试用
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def check_origin(self, origin):
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cfg = config.get_config()
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if cfg.debug:
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return True
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return super().check_origin(origin)
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@property
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def has_joined_room(self):
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return self.room_key is not None
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def send_cmd_data(self, cmd, data):
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self.send_body_no_raise(make_message_body(cmd, data))
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def send_body_no_raise(self, body: Union[bytes, str, Dict[str, Any]]):
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try:
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self.write_message(body)
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except tornado.websocket.WebSocketClosedError:
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self.close()
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async def _on_joined_room(self):
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cfg = config.get_config()
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if cfg.debug:
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await self._send_test_message()
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# 不允许自动翻译的提示
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if (
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self.auto_translate
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and cfg.allow_translate_rooms
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# 身份码就不管了吧，反正配置正确的情况下不会看到这个提示
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and self.room_key.type == services.chat.RoomKeyType.ROOM_ID
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and self.room_key.value not in cfg.allow_translate_rooms
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):
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self.send_cmd_data(Command.ADD_TEXT, make_text_message_data(
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author_name='blivechat',
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author_type=2,
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content='Translation is not allowed in this room. Please download to use translation',
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author_level=60,
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))
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# 测试用
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async def _send_test_message(self):
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base_data = {
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'avatarUrl': await services.avatar.get_avatar_url(300474, 'xfgryujk'),
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'timestamp': int(time.time()),
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'authorName': 'xfgryujk',
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}
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text_data = make_text_message_data(
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avatar_url=base_data['avatarUrl'],
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timestamp=base_data['timestamp'],
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author_name=base_data['authorName'],
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content='我能吞下玻璃而不伤身体',
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author_level=60,
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)
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member_data = {
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**base_data,
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'id': uuid.uuid4().hex,
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'privilegeType': 3
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}
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gift_data = {
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**base_data,
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'id': uuid.uuid4().hex,
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'totalCoin': 450000,
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'giftName': '摩天大楼',
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'num': 1
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}
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sc_data = {
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**base_data,
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'id': str(random.randint(1, 65535)),
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'price': 30,
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'content': 'The quick brown fox jumps over the lazy dog',
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'translation': ''
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}
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self.send_cmd_data(Command.ADD_TEXT, text_data)
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text_data[4] = 'te[dog]st'
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text_data[11] = uuid.uuid4().hex
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self.send_cmd_data(Command.ADD_TEXT, text_data)
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text_data[2] = '主播'
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text_data[3] = 3
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text_data[4] = "I can eat glass, it doesn't hurt me."
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text_data[11] = uuid.uuid4().hex
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self.send_cmd_data(Command.ADD_TEXT, text_data)
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self.send_cmd_data(Command.ADD_MEMBER, member_data)
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self.send_cmd_data(Command.ADD_SUPER_CHAT, sc_data)
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sc_data['id'] = str(random.randint(1, 65535))
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sc_data['price'] = 100
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sc_data['content'] = '敏捷的棕色狐狸跳过了懒狗'
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self.send_cmd_data(Command.ADD_SUPER_CHAT, sc_data)
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# self.send_cmd_data(Command.DEL_SUPER_CHAT, {'ids': [sc_data['id']]})
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self.send_cmd_data(Command.ADD_GIFT, gift_data)
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gift_data['id'] = uuid.uuid4().hex
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gift_data['totalCoin'] = 1245000
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gift_data['giftName'] = '小电视飞船'
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self.send_cmd_data(Command.ADD_GIFT, gift_data)
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gift_data['id'] = uuid.uuid4().hex
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gift_data['totalCoin'] = 0
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gift_data['totalFreeCoin'] = 1000
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gift_data['giftName'] = '辣条'
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gift_data['num'] = 10
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self.send_cmd_data(Command.ADD_GIFT, gift_data)
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class RoomInfoHandler(api.base.ApiHandler):
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async def get(self):
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room_id = int(self.get_query_argument('roomId'))
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logger.info('client=%s getting room info, room=%d', self.request.remote_ip, room_id)
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(room_id, owner_uid), (host_server_list, host_server_token), buvid = await asyncio.gather(
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self._get_room_info(room_id),
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self._get_server_host_list_and_token(room_id),
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self._get_buvid()
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)
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# 缓存1分钟
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self.set_header('Cache-Control', 'private, max-age=60')
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self.write({
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'roomId': room_id,
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'ownerUid': owner_uid,
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'hostServerList': host_server_list,
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'hostServerToken': host_server_token,
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# 虽然没什么用但还是加上比较保险
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'buvid': buvid,
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})
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@staticmethod
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async def _get_room_info(room_id) -> Tuple[int, int]:
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try:
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async with utils.request.http_session.get(
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dm_web_cli.ROOM_INIT_URL,
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headers={
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**utils.request.BILIBILI_COMMON_HEADERS,
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'Origin': 'https://live.bilibili.com',
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'Referer': f'https://live.bilibili.com/{room_id}'
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},
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params={
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'room_id': room_id
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}
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) as res:
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if res.status != 200:
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logger.warning('room=%d _get_room_info failed: %d %s', room_id,
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res.status, res.reason)
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return room_id, 0
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data = await res.json()
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except (aiohttp.ClientConnectionError, asyncio.TimeoutError):
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logger.exception('room=%d _get_room_info failed', room_id)
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return room_id, 0
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if data['code'] != 0:
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logger.warning('room=%d _get_room_info failed: %s', room_id, data['message'])
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return room_id, 0
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room_info = data['data']['room_info']
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return room_info['room_id'], room_info['uid']
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async def _get_server_host_list_and_token(self, room_id) -> Tuple[dict, Optional[str]]:
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try:
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async with utils.request.http_session.get(
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dm_web_cli.DANMAKU_SERVER_CONF_URL,
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headers={
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# token会对UA签名，要使用和客户端一样的UA
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'User-Agent': self.request.headers.get('User-Agent', '')
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},
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params={
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'id': room_id,
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'type': 0
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}
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) as res:
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if res.status != 200:
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logger.warning('room %d _get_server_host_list failed: %d %s', room_id,
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res.status, res.reason)
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return dm_web_cli.DEFAULT_DANMAKU_SERVER_LIST, None
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data = await res.json()
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except (aiohttp.ClientConnectionError, asyncio.TimeoutError):
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logger.exception('room %d _get_server_host_list failed', room_id)
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return dm_web_cli.DEFAULT_DANMAKU_SERVER_LIST, None
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if data['code'] != 0:
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logger.warning('room %d _get_server_host_list failed: %s', room_id, data['message'])
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return dm_web_cli.DEFAULT_DANMAKU_SERVER_LIST, None
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data = data['data']
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host_server_list = data['host_list']
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if not host_server_list:
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logger.warning('room %d _get_server_host_list failed: host_server_list is empty')
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return dm_web_cli.DEFAULT_DANMAKU_SERVER_LIST, None
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host_server_token = data.get('token', None)
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return host_server_list, host_server_token
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async def _get_buvid(self):
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buvid = self._do_get_buvid()
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if buvid != '':
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return buvid
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try:
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async with utils.request.http_session.get(dm_web_cli.BUVID_INIT_URL):
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pass
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except (aiohttp.ClientConnectionError, asyncio.TimeoutError):
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pass
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return self._do_get_buvid()
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@staticmethod
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def _do_get_buvid():
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cookies = utils.request.http_session.cookie_jar.filter_cookies(yarl.URL(dm_web_cli.BUVID_INIT_URL))
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buvid_cookie = cookies.get('buvid3', None)
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if buvid_cookie is None:
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return ''
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return buvid_cookie.value
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class AvatarHandler(api.base.ApiHandler):
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async def get(self):
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# uid基本是0了，现在这个接口唯一的作用是算用户名MD5，其实可以放到前端
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uid = int(self.get_query_argument('uid'))
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username = self.get_query_argument('username', '')
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avatar_url = await services.avatar.get_avatar_url_or_none(uid)
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if avatar_url is None:
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avatar_url = services.avatar.get_default_avatar_url(uid, username)
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cache_time = 86400 if uid == 0 else 180
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else:
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cache_time = 86400
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self.set_header('Cache-Control', f'private, max-age={cache_time}')
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self.write({'avatarUrl': avatar_url})
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class TextEmoticonMappingsHandler(api.base.ApiHandler):
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async def get(self):
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# 缓存1天
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self.set_header('Cache-Control', 'private, max-age=86400')
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cfg = config.get_config()
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self.write({'textEmoticons': cfg.text_emoticons})
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ROUTES = [
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(r'/api/chat', ChatHandler),
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(r'/api/room_info', RoomInfoHandler),
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(r'/api/avatar_url', AvatarHandler),
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(r'/api/text_emoticon_mappings', TextEmoticonMappingsHandler),
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]
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