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
119 lines
4.4 KiB
Python
119 lines
4.4 KiB
Python
"""5sing 歌曲信息 / 取流底层（对应 sdk/5sing/musicInfo.ts）。
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链路（上游 fivesing/fivesing.go 的 fetchSongInfo / fetchAudioLink）：
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取流: GET {MOBILE_API}/song/getSongUrl?songid=&songtype= → data.{sq,hq,lq}url(_backup)，code 必须 1000
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详情: GET {MOBILE_API}/song/newget?songid=&songtype= → data.SN / data.user.NN / data.user.I / data.dynamicWords
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档位字段：squrl（无损/高码）→ hqurl（高）→ lqurl（低），每档有 _backup 备用地址；
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上游固定 sq→hq→lq；本移植按请求档位微调（请求 64k/lq 时倒序），返回实际命中档位。
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"""
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from __future__ import annotations
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from typing import Any
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from app.sdk.common.utils import as_dict
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from app.sdk.platforms.fivesing.util import (
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MOBILE_API,
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build_song_link,
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encode_uri_component,
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estimate_duration,
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fetch_5sing_json,
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get_first_valid,
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kind_name,
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)
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QUALITY_TIERS = ("sq", "hq", "lq")
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def _tier_url(data: dict[str, Any], tier: str) -> str:
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"""data 里某档位的可用地址（主地址 → backup）。"""
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return get_first_valid(data.get(f"{tier}url"), data.get(f"{tier}url_backup"))
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async def fetch_audio_link(song_id: str, song_type: str, prefer_low: bool = False) -> dict[str, str]:
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"""上游 fetchAudioLink：仅获取音频链接。"""
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url = (
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f"{MOBILE_API}/song/getSongUrl?songid={encode_uri_component(song_id)}"
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f"&songtype={encode_uri_component(song_type)}"
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)
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resp = await fetch_5sing_json(url)
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body = resp.body if isinstance(resp.body, dict) else {}
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if resp.status_code != 200 or not isinstance(resp.body, dict):
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raise RuntimeError(f"5sing 取流失败（HTTP {resp.status_code}）")
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try:
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code = int(body.get("code") or 0)
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except (TypeError, ValueError):
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code = 0
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if code != 1000:
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# 实测 songtype 缺失/错误时 code=28 message=歌曲不存在
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message = body.get("message")
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raise RuntimeError(f"5sing 取流失败（{message}）" if message else "api returned error code")
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data = as_dict(body.get("data"))
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order = tuple(reversed(QUALITY_TIERS)) if prefer_low else QUALITY_TIERS
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for tier in order:
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hit = _tier_url(data, tier)
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if hit and hit.startswith(("http://", "https://")):
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return {"type": tier, "url": hit}
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raise RuntimeError("no valid download url found")
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async def fetch_new_get(song_id: str, song_type: str) -> dict[str, Any]:
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"""上游 fetchSongInfo / GetLyrics 使用的 newget 详情（返回 data 对象）。"""
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url = f"{MOBILE_API}/song/newget?songid={encode_uri_component(song_id)}&songtype={encode_uri_component(song_type)}"
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resp = await fetch_5sing_json(url)
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if resp.status_code != 200 or not isinstance(resp.body, dict):
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raise RuntimeError(f"5sing 歌曲信息获取失败（HTTP {resp.status_code}）")
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data = resp.body.get("data")
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return data if isinstance(data, dict) else {}
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async def fetch_dynamic_lyric(song_id: str, song_type: str) -> str:
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"""上游 newget 歌词：data.dynamicWords（LRC 文本）。"""
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data = await fetch_new_get(song_id, song_type)
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return str(data.get("dynamicWords") or "")
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async def fetch_song_info(song_id: str, song_type: str) -> dict[str, Any]:
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"""上游 fetchSongInfo：音频直链 + newget 元数据 → 统一 Song 形状。"""
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hit = await fetch_audio_link(song_id, song_type)
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name = ""
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artist = ""
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cover = ""
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try:
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data = await fetch_new_get(song_id, song_type)
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name = str(data.get("SN") or "")
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user = as_dict(data.get("user"))
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artist = str(user.get("NN") or "")
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cover = str(user.get("I") or "")
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except Exception: # noqa: BLE001 - 上游 newget 失败时继续（不阻断）
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pass
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if not name:
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name = f"5sing_{song_type}_{song_id}"
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return {
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"songmid": f"{song_id}|{song_type}",
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"name": name,
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"singer": artist,
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"albumId": "",
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"albumName": "",
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"interval": 0,
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"img": cover or None,
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"lrc": None,
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"types": [],
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"_types": {},
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"url": hit["url"],
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"type": hit["type"],
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"link": build_song_link(song_type, song_id),
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"songType": song_type,
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"typeName": kind_name(song_type),
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"source": "5sing",
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}
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def song_interval(song_size: Any) -> int:
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"""时长估算的对外小工具（搜索结果用；上游 Search 的 Duration 公式）。"""
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return estimate_duration(song_size)
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