snowy-yang
dfc06bf4de
- 新增 5sing/apple/xm/me/qt/lr 平台包与取流实现（含 xm-sign、MissEvan 签名、蜻蜓 HMAC、Apple developer token） - 新增 wy/kg/tx/lr 登录：扫码、手机号、账密（kg 20028 风控指纹）、cookie 绑定、kg/tx 续期 - request 层：保留多值 Set-Cookie；JSON body 紧凑化（修复 kg 网关验签）；直连不经系统代理（对齐 Node） - 登录路由统一 Body(embed=True)，修复扫码轮询 422；lifespan 接入登录续期调度 - ruff/format/pyright 全绿；14 平台真实联网与 HTTP 路由验证通过
92 lines
3.4 KiB
Python
92 lines
3.4 KiB
Python
"""酷狗歌词（对应 sdk/kg/lyric.ts）。
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两步：`lyrics.kugou.com/search` 按歌名+hash+时长找候选 → `lyrics.kugou.com/download`
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取回 base64 内容。`fmt=krc` 需走 krc_decode 解密，`fmt=lrc` 直接 base64 解码。
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"""
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from __future__ import annotations
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import base64
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from typing import Any
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from app.sdk.common.request import http_fetch
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from app.sdk.platforms.kg.krc_decode import decode_krc
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HEADERS = {
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"KG-RC": "1",
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"KG-THash": "expand_search_manager.cpp:852736169:451",
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"User-Agent": "KuGou2012-9020-ExpandSearchManager",
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}
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def get_intv(interval: Any) -> int:
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"""`mm:ss` → 毫秒（原文把秒当毫秒拼给上游，这里保持一致）。"""
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if not interval:
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return 0
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parts = str(interval).split(":")
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total = 0
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unit = 1
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while parts:
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part = parts.pop()
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try:
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total += int(float(part)) * unit
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except ValueError:
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pass
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unit *= 60
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return int(total)
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async def _search_lyric(name: str, hash_value: str, time: Any, try_num: int = 0) -> dict[str, str] | None:
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from app.sdk.platforms.kg.util import encode_uri_component
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url = (
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"http://lyrics.kugou.com/search?ver=1&man=yes&client=pc"
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f"&keyword={encode_uri_component(name)}&hash={hash_value}&timelength={time}&lrctxt=1"
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)
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resp = await http_fetch(url, headers=HEADERS)
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if resp.status_code != 200:
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if try_num > 5:
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raise RuntimeError("歌词获取失败")
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return await _search_lyric(name, hash_value, time, try_num + 1)
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body = resp.body if isinstance(resp.body, dict) else {}
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candidates = body.get("candidates") or []
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if not candidates:
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return None
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info = candidates[0]
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fmt = "krc" if info.get("krctype") == 1 and info.get("contenttype") != 1 else "lrc"
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return {"id": str(info.get("id")), "accessKey": str(info.get("accesskey")), "fmt": fmt}
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async def _get_lyric_download(id: str, access_key: str, fmt: str, try_num: int = 0) -> dict[str, str]:
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url = f"http://lyrics.kugou.com/download?ver=1&client=pc&id={id}&accesskey={access_key}&fmt={fmt}&charset=utf8"
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resp = await http_fetch(url, headers=HEADERS)
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if resp.status_code != 200:
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if try_num > 5:
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raise RuntimeError("歌词获取失败")
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# 重试必须回到本方法（搜索接口与下载接口的入参语义不同）
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return await _get_lyric_download(id, access_key, fmt, try_num + 1)
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body = resp.body if isinstance(resp.body, dict) else {}
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content = str(body.get("content") or "")
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match body.get("fmt"):
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case "krc":
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return await decode_krc(content)
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case "lrc":
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return {
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"lyric": base64.b64decode(content).decode("utf-8", errors="replace"),
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"tlyric": "",
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"rlyric": "",
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"yrc": "",
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}
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case _:
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raise RuntimeError(f"未知歌词格式: {body.get('fmt')}")
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async def get_lyric(song_info: dict[str, Any]) -> dict[str, str]:
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name = str(song_info.get("name") or "")
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hash_value = str(song_info.get("hash") or song_info.get("songmid") or "")
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time = song_info.get("_interval") or get_intv(song_info.get("interval"))
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result = await _search_lyric(name, hash_value, time)
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if not result:
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raise RuntimeError("Get lyric failed")
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return await _get_lyric_download(result["id"], result["accessKey"], result["fmt"])
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