update
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@@ -1,102 +0,0 @@
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import hashlib
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import logging
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import time
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import urllib.parse
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from typing import Any, Dict
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import aiohttp
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from ..utils import USER_AGENT
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logger = logging.getLogger("blivedm")
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UID_INIT_URL = "https://api.bilibili.com/x/web-interface/nav"
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WTS = "wts"
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W_RID = "w_rid"
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KEY_LENGTH = 32
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# fmt: off
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KEY_MAP = [
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46, 47, 18, 2, 53, 8, 23, 32, 15, 50, 10, 31, 58, 3, 45, 35,
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27, 43, 5, 49, 33, 9, 42, 19, 29, 28, 14, 39, 12, 38, 41, 13,
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37, 48, 7, 16, 24, 55, 40, 61, 26, 17, 0, 1, 60, 51, 30, 4,
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22, 25, 54, 21, 56, 59, 6, 63, 57, 62, 11, 36, 20, 34, 44, 52,
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]
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# fmt: on
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INVALID_CHARS = ["!", "'", "(", ")", "*"]
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def filtered_string(s: str) -> str:
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return "".join(c for c in s if c not in INVALID_CHARS)
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def extract_key_part(url: str) -> str:
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slash = url.rfind("/")
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if slash == -1:
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raise ValueError("missing url slash")
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dot = url[slash:].find(".")
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if dot == -1:
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raise ValueError("missing url dot")
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return url[slash + 1 : slash + dot]
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def sign_content_with_key(content: str, key: str) -> str:
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hasher = hashlib.md5()
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hasher.update(f"{content}{key}".encode())
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return hasher.hexdigest()
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async def get_wbi_key(session: aiohttp.ClientSession) -> str:
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async with session.get(
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UID_INIT_URL,
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headers={"User-Agent": USER_AGENT},
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) as response:
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data = await response.json()
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wbi_img = data["data"]["wbi_img"]
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img = extract_key_part(wbi_img["img_url"])
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sub = extract_key_part(wbi_img["sub_url"])
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if not img or not sub:
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raise ValueError("missing wbi key")
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full = img + sub
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key_chars = ["\0"] * KEY_LENGTH
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for i, index in enumerate(KEY_MAP[:KEY_LENGTH]):
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key_chars[i] = full[index] if index < len(full) else "\0"
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return "".join(key_chars)
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async def signed_query(
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session: aiohttp.ClientSession, query: Dict[str, Any]
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) -> Dict[str, str]:
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ts = str(int(time.time()))
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filtered_query = []
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for k, v in query.items():
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filtered_query.append((k, filtered_string(str(v))))
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filtered_query.append((WTS, ts))
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filtered_query.sort(key=lambda x: x[0])
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content = urllib.parse.urlencode(filtered_query)
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try:
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key = await get_wbi_key(session)
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except (aiohttp.ClientConnectionError, aiohttp.ClientResponseError, ValueError):
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logger.exception("get_wbi_key() failed:")
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return query
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query_sign = sign_content_with_key(content, key)
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signed_query = {
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**query,
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WTS: ts,
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W_RID: query_sign,
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}
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return signed_query
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@@ -1,9 +1,9 @@
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aiohttp~=3.9.0
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Brotli~=1.1.0
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yarl~=1.9.3
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redis~=5.0.2
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PyYAML~=6.0.1
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watchdog~=5.0.3
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requests~=2.32.3
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mysql-connector-python~=9.0.0
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schedule~=1.2.2
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aiohttp
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Brotli
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yarl
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redis
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PyYAML
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watchdog
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requests
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mysql
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schedule
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