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
64 lines
2.8 KiB
Python
64 lines
2.8 KiB
Python
"""喜马拉雅 URL 获取（对应 sdk/apis/xm.ts，PC 桌面端 baseInfo 通道）。
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链路：make_xm_sign(hdaa 上报) → baseInfo device=win(带 PC 设备 Cookie) → playUrlList
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→ decode_win_url(AES-ECB，客户端 4.0.14 asar 密钥) → a.xmcdn.com 带签名直链。
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实测（2026-10-02）匿名免费曲目 HTTP 200 audio/mp4 可播；付费/VIP 曲 ret=1001（需登录）。
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档位命名如 M4A_64/MP3_64/M4A_24/MP3_32/AAC_24（音乐内容另有 MP3_128/M4A_128）；
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喜马拉雅以有声内容为主，码率低于音乐平台，音质映射到 '64k'/'128k' 桶。
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"""
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from __future__ import annotations
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import re
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from typing import Any
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from app.sdk.platforms.xm.decoder import decode_win_url
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from app.sdk.platforms.xm.music_info import get_track_info, play_url_list
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#: 优先 M4A（同码率体积更小），128 档优先 MP3_128
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QUALITY_PREFERENCE: dict[str, list[str]] = {
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"128k": ["MP3_128", "M4A_128", "M4A_64", "MP3_64", "M4A_24", "MP3_32", "AAC_24"],
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"64k": ["M4A_64", "MP3_64", "M4A_24", "MP3_32", "AAC_24"],
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}
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SUPPORT_QUALITYS: list[str] = ["64k", "128k"]
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def _bitrate_of(type_name: str) -> int:
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match = re.search(r"(\d+)", str(type_name or ""))
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return int(match.group(1)) if match else 0
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def _bucket_of(bitrate: int) -> str:
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return "128k" if bitrate >= 128 else "64k"
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def _resolve_url(raw: str) -> str:
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return raw if raw.startswith("http") else decode_win_url(raw)
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async def get_music_url(song_info: dict[str, Any], quality: str, retry_num: int = 0) -> dict[str, Any]:
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"""取流：按档位偏好找 playUrlList，未知命名时取码率最高的一条。"""
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del retry_num # 契约参数，无重试语义
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track_id = str(song_info.get("songmid") or "")
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track_info = await get_track_info(track_id)
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play_list = play_url_list(track_info)
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if not play_list:
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raise RuntimeError("无可用播放资源（付费/版权内容需登录）")
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preference = QUALITY_PREFERENCE.get(quality, QUALITY_PREFERENCE["128k"])
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picked: dict[str, str] | None = None
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for want in preference:
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hit = next((item for item in play_list if item.get("type") == want and item.get("url")), None)
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if hit:
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picked = {"type": str(hit["type"]), "url": _resolve_url(str(hit["url"]))}
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break
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if picked is None:
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# 兜底：未知档位命名时取码率最高的一条
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candidates = [item for item in play_list if item.get("url")]
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if not candidates:
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raise RuntimeError("无可用播放资源")
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best = sorted(candidates, key=lambda item: _bitrate_of(str(item.get("type") or "")), reverse=True)[0]
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picked = {"type": str(best["type"]), "url": _resolve_url(str(best["url"]))}
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return {"type": _bucket_of(_bitrate_of(picked["type"])), "url": picked["url"]}
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