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NeteaseMusic.cs
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NeteaseMusic.cs
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using System;
using System.Collections.Generic;
using System.Text.RegularExpressions;
using System.Net;
using System.IO;
using ludoux.LrcHelper.SharedFramework;
using System.ComponentModel;
using Newtonsoft.Json;
using System.Threading;
namespace ludoux.LrcHelper.NeteaseMusic
{
class NeedLoginException : Exception
{
public NeedLoginException(string message) : base(message)
{
}
}
class HttpRequest
{
public string GetContent(string sURL, string cookie ="",string UserAgent = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.110 Safari/537.36 Edg/96.0.1054.62")
{
string sContent = ""; //Content
string sLine = "";
try
{
HttpWebRequest wrGETURL = WebRequest.CreateHttp(sURL);
wrGETURL.Referer= "https://music.163.com";
wrGETURL.Headers.Set(HttpRequestHeader.Cookie, cookie);
wrGETURL.UserAgent = UserAgent;
Stream objStream = wrGETURL.GetResponse().GetResponseStream();
StreamReader objReader = new StreamReader(objStream);
while (sLine != null)
{
sLine = objReader.ReadLine();
if (sLine != null)
sContent += sLine;
}
}
catch (Exception e)
{
sContent = "ERR!" + e.ToString();
}
return sContent;
}
}
class ExtendedLyrics
{
private long id;
public enum LyricsStatus {[Description("未命中")] UNMATCHED = -2, [Description("错误")] ERROR = -1, [Description("无人上传歌词")] NOTSUPPLIED = 0, [Description("有词")] EXISTED = 1, [Description("纯音乐")] NOLYRICS = 2, [Description("初始值（以防状态被多次更改）")] UNSURED = 3 }
private LyricsStatus _status = LyricsStatus.UNSURED;
internal LyricsStatus Status { get => _status; private set { if (_status == LyricsStatus.UNSURED) { _status = value; } } }//_status 仅可供修改一次，设计是不可以对外更改的
private bool hasOriLyrics;
private bool hasTransLyrics;
private string _errorLog = "";
internal string ErrorLog { get => _errorLog; private set => _errorLog = value; }
private Lyrics mixedLyrics = new Lyrics();//翻译作为trans来保存
public ExtendedLyrics(long ID)
{
this.id=ID;
}
/// <summary>
/// 从云端取得该对象的歌词信息并记录
/// </summary>
/// <param name="userReviseFunc">用户是否介入修改 sContent，当软件自动下载歌词报错后，才应该在启用此选项</param>
internal void FetchOnlineLyrics(string revisedsContentOriLyricsForUserReviseFunc, string revisedsContentTransLyricsForUserReviseFunc, bool LowDelaycheckBoxChecked)
{
bool userReviseFunc = false;
if (revisedsContentOriLyricsForUserReviseFunc != null)
userReviseFunc = true;
hasOriLyrics = false;
hasTransLyrics = false;
Lyrics tempOriLyric = new Lyrics();
Lyrics tempTransLyric = new Lyrics();
string sLRC = "";
string sContent;
HttpRequest hr = new HttpRequest();
try
{
Start:
sContent = hr.GetContent("https://music.163.com/api/song/detail/?id=" + id + "&ids=[" + id + "]");//这个是仅对确定歌词状态有用的
if (Regex.IsMatch(sContent, @"^{""songs"":\[]") || Regex.IsMatch(sContent, @"^{""code"":400"))
{ ErrorLog += "<STATUS_ERR>"; Status = LyricsStatus.ERROR; return; }
sContent = hr.GetContent("https://music.163.com/api/song/media?id=" + id);
if (sContent.Substring(0, 4).Equals("ERR!"))
{ ErrorLog += "<STATUS_ERR>"; Status = LyricsStatus.ERROR; return; }
if (sContent == @"{""code"":200}")//分析歌词状态
Status = LyricsStatus.NOTSUPPLIED;
if (Regex.IsMatch(sContent, @"^{""nolyric"":true"))
Status = LyricsStatus.NOLYRICS;
else
Status = LyricsStatus.EXISTED;
Status = LyricsStatus.UNMATCHED;//都没踩中
//分析原文歌词
if (userReviseFunc)
sContent = revisedsContentOriLyricsForUserReviseFunc;
if (!Regex.IsMatch(sContent, @"""lyric"""))
if (Regex.IsMatch(sContent, @"""操作频繁，请稍候再试"""))
if (!LowDelaycheckBoxChecked)
{ Thread.Sleep(10000);goto Start; }
else
{ Thread.Sleep(500); goto Start; }
else
{ ErrorLog += "<NO_LYRIC_LABEL>"; return; }
sLRC = Regex.Match(sContent, @"(?<=""lyric"":"").*?(?="",""code)").Value;
tempOriLyric.ArrangeLyrics(sLRC);
hasOriLyrics = true;
mixedLyrics.ArrangeLyrics(sLRC);
//===========翻译
if (userReviseFunc)
sContent = revisedsContentTransLyricsForUserReviseFunc;
else
sContent = hr.GetContent("https://music.163.com/api/song/lyric?os=pc&id=" + id + "&tv=-1");
if (sContent.Substring(0, 4).Equals("ERR!"))
{
ErrorLog += "<STATUS_ERR>";
return;
}
tempTransLyric.ArrangeLyrics(Regex.Match(sContent, @"(?<=,""tlyric"":{""version"":.*?,""lyric"":"").*?(?=""})").Value);
if (tempOriLyric.Count >= tempTransLyric.Count && tempTransLyric.Count != 0)//翻译可能比外文歌词少，下面会对时间轴来判断配对
{
int j = 0;//j为外文歌词的index 下面的循环是将外文歌词下移
for (int i = 0; i < tempTransLyric.Count && j < tempOriLyric.Count; j++)
{
if (tempOriLyric[j].Timeline.CompareTo(tempTransLyric[i].Timeline) < 0)//此外文歌词可能为空格之类，没有翻译，所以continue只将外文歌词下移
continue;
if (tempOriLyric[j].Timeline.CompareTo(tempTransLyric[i].Timeline) > 0)//正常情况下应该不会出现这种情况，（特例参见song?id=27901389），将翻译下移
i++;
if (tempOriLyric[j].Timeline.CompareTo(tempTransLyric[i].Timeline) == 0 && tempTransLyric[i].OriLyrics != null && tempTransLyric[i].OriLyrics != "")
mixedLyrics[j].SetTransLyrics("#", tempTransLyric[i].OriLyrics);//Mix是以外文歌词的j来充填，当没有trans的时候留空
i++;//将翻译下移
}
hasTransLyrics = true;
}
mixedLyrics.Sort();
tempOriLyric = null;
tempTransLyric = null;
}
catch(System.ArgumentNullException)
{
ErrorLog += "<ArgumentNullException_ERR>";
}
catch(System.NullReferenceException)
{
ErrorLog += "<NullReferenceException_ERR>";
}
}
public override string ToString()
{
return mixedLyrics.ToString();
}
/// <summary>
/// 应该在GetOnlineLyric()后使用,若无翻译将直接返回ori
/// </summary>
/// <param name="ModelIndex">指定的模式</param>
/// <param name="DelayMsec">1等于10ms，注意进制。</param>
/// <returns>返回的lrc文本</returns>
public string GetCustomLyric(int ModelIndex, int DelayMsec)
{
string[] result = mixedLyrics.GetWalkmanStyleLyrics(ModelIndex, new object[] { DelayMsec });
ErrorLog += result[1];
return result[0];
}
}
class Music
{
int _index;
public int Index { get => _index; set => _index = (value > 1 ? value : 1); }
long _id;
public long ID { get => _id; set => _id = value; }
string _title;//由于titile和artist是一个api，所以获取任意一个都会给两个值进行获取（倘若为空才获取）
public string Title
{
get
{
if (_title == null || _title == "")
fetchInfo();
return _title;
}
}
string _artist;
public string Artist
{
get
{
if (_artist == null || _artist == "")
fetchInfo();
return _artist;
}
}
string _album;
public string Album
{
get
{
if (_album == null || _album == "")
fetchInfo();
return _album;
}
}
private void fetchInfo()
{
string sContent;
HttpRequest hr = new HttpRequest();
sContent = hr.GetContent("https://music.163.com/api/v3/song/detail?id=" + ID + @"&c=[{""id"":""" + ID + @"""}]");
_title = Regex.Match(sContent, @"(?<={""songs"":\[{""name"":"").*?(?="","")").Value;
MatchCollection mc = Regex.Matches(sContent, @"(?<=""id"":\d+,""name"":"")[^/]+?(?="",""tns"")");
//暂时这样避免直接的越界错误....
if (mc.Count > 0)
{
for (int i = 0; i < (mc.Count - 1); i++)
_artist += mc[i].Value + ",";
_artist += mc[mc.Count - 1].Value; //mc.Count = 0时可能产生越界
}
_album = Regex.Match(sContent, @"(?<=,""al"":{""id"":\d+?,""name"":"").+?(?="",""picUrl)").Value;
}
public Music(long id, int index = 1)
{
this.ID = id;
this.Index = index;
}
}
class Playlist
{
long id;
string cookie = "";
List<long> _songidInPlaylist = new List<long>();
internal List<long> SongidInPlaylist
{
get
{
if (_songidInPlaylist.Count == 0)
fetchInfo();
return _songidInPlaylist;
}
}
string _name;
internal string Name
{
get
{
if (_name == null || _name == "")
fetchInfo();
return _name;
}
}
private void fetchInfo()
{
PreCheck();
}
public void PreCheck()
{
string sContent;
HttpRequest hr = new HttpRequest();
sContent = hr.GetContent("https://music.163.com/api/v3/playlist/detail?id=" + id + @"&c=[{""id"":""" + id + @"""}]", cookie);
var apiData = JsonConvert.DeserializeObject<dynamic>(sContent);
if (apiData.code != 200)
throw new NeedLoginException(Convert.ToString(apiData.message));
_songidInPlaylist.Clear();
foreach (var item in apiData.playlist.trackIds)
{
_songidInPlaylist.Add(Convert.ToInt64(item.id));
}
_name = apiData.playlist.name;
}
public Playlist(long id,string cookie = "")
{
this.id = id;
this.cookie = cookie;
}
}
class Album
{
long id;
string cookie;
public Album(long id, string cookie = "")
{
this.id = id;
this.cookie = cookie;
}
List<long> _songidInAlbum = new List<long>();
internal List<long> SongidInAlbum
{
get
{
if (_songidInAlbum.Count == 0)
fetchInfo();
return _songidInAlbum;
}
}
string _name;
internal string Name
{
get
{
if (_name == null || _name == "")
fetchInfo();
return _name;
}
}
private void fetchInfo()
{
PreCheck();
}
public void PreCheck()
{
string sContent;
HttpRequest hr = new HttpRequest();
sContent = hr.GetContent("https://music.163.com/api/album/" + id, cookie);
var apiData = JsonConvert.DeserializeObject<dynamic>(sContent);
if (apiData.code != 200)
throw new NeedLoginException(Convert.ToString(apiData.message));
_songidInAlbum.Clear();
foreach (var item in apiData.album.songs)
{
_songidInAlbum.Add(Convert.ToInt64(item.id));
}
_name = apiData.album.name;
}
}
}