mirror of
https://github.com/real-zony/ZonyLrcToolsX.git
synced 2025-07-01 12:11:13 +00:00
feat: Now, it's possible to fetch playlists from NetEase Cloud Music and download lyrics.
This commit is contained in:
real-zony
parent
5dbabab5a6
commit
18d9c2d32c
@ -4,7 +4,8 @@
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"10002": "需要扫描的目录不存在，请确认路径是否正确。",
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"10003": "不能获取文件的后缀信息。",
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"10004": "没有扫描到任何音乐文件。",
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"10005": "指定的编码不受支持，请检查配置，所有受支持的编码名称，请参考: https://docs.microsoft.com/en-us/dotnet/api/system.text.encodinginfo.codepage?view=net-6.0#system-text-encodinginfo-codepage。"
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"10005": "指定的编码不受支持，请检查配置，所有受支持的编码名称，请参考: https://docs.microsoft.com/en-us/dotnet/api/system.text.encodinginfo.codepage?view=net-6.0#system-text-encodinginfo-codepage。",
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"10006": "无法从网易云音乐获取歌曲列表。"
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},
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"Warning": {
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"50001": "扫描文件时出现了错误。",
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@ -0,0 +1,93 @@
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using System.Numerics;
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using System.Security.Cryptography;
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using System.Text;
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namespace ZonyLrcTools.Common.Infrastructure.Encryption;
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/// <summary>
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/// 提供网易云音乐 API 的相关加密方法。
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/// </summary>
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/// <remarks>
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/// 加密方法参考以下开源项目:
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/// 1. https://github.com/jitwxs/163MusicLyrics/blob/master/MusicLyricApp/Api/Music/NetEaseMusicNativeApi.cs
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/// 2. https://github.com/mos9527/pyncm/blob/ad0a84b2ed5f1affa9890d5f54f6170c2cf99bbb/pyncm/utils/crypto.py#L53
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/// </remarks>
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public static class NetEaseMusicEncryptionHelper
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{
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public const string Modulus =
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"00e0b509f6259df8642dbc35662901477df22677ec152b5ff68ace615bb7b725152b3ab17a876aea8a5aa76d2e417629ec4ee341f56135fccf695280104e0312ecbda92557c93870114af6c9d05c4f7f0c3685b7a46bee255932575cce10b424d813cfe4875d3e82047b97ddef52741d546b8e289dc6935b3ece0462db0a22b8e7";
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public const string Nonce = "0CoJUm6Qyw8W8jud";
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public const string PubKey = "010001";
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public const string Vi = "0102030405060708";
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public static string RsaEncode(string text)
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{
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var srText = new string(text.Reverse().ToArray());
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var a = BCHexDec(BitConverter.ToString(Encoding.Default.GetBytes(srText)).Replace("-", string.Empty));
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var b = BCHexDec(PubKey);
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var c = BCHexDec(Modulus);
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var key = BigInteger.ModPow(a, b, c).ToString("x");
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key = key.PadLeft(256, '0');
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return key.Length > 256 ? key.Substring(key.Length - 256, 256) : key;
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}
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public static BigInteger BCHexDec(string hex)
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{
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var dec = new BigInteger(0);
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var len = hex.Length;
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for (var i = 0; i < len; i++)
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{
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dec += BigInteger.Multiply(new BigInteger(Convert.ToInt32(hex[i].ToString(), 16)),
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BigInteger.Pow(new BigInteger(16), len - i - 1));
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}
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return dec;
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}
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public static string AesEncode(string secretData, string secret = "TA3YiYCfY2dDJQgg")
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{
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byte[] encrypted;
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var iv = Encoding.UTF8.GetBytes(Vi);
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using (var aes = Aes.Create())
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{
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aes.Key = Encoding.UTF8.GetBytes(secret);
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aes.IV = iv;
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aes.Mode = CipherMode.CBC;
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using (var encryptor = aes.CreateEncryptor())
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{
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using (var stream = new MemoryStream())
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{
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using (var cryptoStream = new CryptoStream(stream, encryptor, CryptoStreamMode.Write))
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{
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using (var sw = new StreamWriter(cryptoStream))
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{
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sw.Write(secretData);
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}
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encrypted = stream.ToArray();
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}
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}
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}
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}
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return Convert.ToBase64String(encrypted);
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}
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public static string CreateSecretKey(int length)
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{
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const string str = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
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var sb = new StringBuilder(length);
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var rnd = new Random();
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for (var i = 0; i < length; ++i)
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{
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sb.Append(str[rnd.Next(0, str.Length)]);
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}
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return sb.ToString();
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}
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}
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@ -31,6 +31,11 @@ namespace ZonyLrcTools.Common.Infrastructure.Exceptions
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/// 文本: 指定的编码不受支持，请检查配置，所有受支持的编码名称。
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/// </summary>
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public const int NotSupportedFileEncoding = 10005;
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/// <summary>
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/// 文本: 无法从网易云音乐获取歌曲列表。
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/// </summary>
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public const int UnableGetSongListFromNetEaseCloudMusic = 10006;
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#endregion
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@ -0,0 +1,80 @@
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using Newtonsoft.Json;
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using Newtonsoft.Json.Linq;
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namespace ZonyLrcTools.Common.MusicScanner.JsonModel;
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public sealed class GetMusicInfoFromNetEaseMusicSongListResponse
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{
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/// <summary>
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/// 请求结果代码，为 200 时请求成功。
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/// </summary>
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[JsonProperty("code")]
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public int Code { get; set; }
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/// <summary>
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/// 歌单信息。
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/// </summary>
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[JsonProperty("playlist")]
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public PlayListModel? PlayList { get; set; }
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}
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public sealed class PlayListModel
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{
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/// <summary>
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/// 歌单的歌曲列表。
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/// </summary>
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[JsonProperty("tracks")]
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public ICollection<PlayListSongModel>? SongList { get; set; }
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}
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public sealed class PlayListSongModel
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{
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/// <summary>
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/// 歌曲的名称。
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/// </summary>
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[JsonProperty("name")]
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public string? Name { get; set; }
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/// <summary>
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/// 歌曲的艺术家信息，可能会有多位艺术家/歌手。
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/// </summary>
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[JsonProperty("al")]
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[JsonConverter(typeof(PlayListSongArtistModelJsonConverter))]
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public ICollection<PlayListSongArtistModel>? Artists { get; set; }
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}
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public sealed class PlayListSongArtistModel
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{
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/// <summary>
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/// 艺术家的名称。
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/// </summary>
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[JsonProperty("name")]
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public string? Name { get; set; }
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}
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public class PlayListSongArtistModelJsonConverter : JsonConverter
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{
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public override void WriteJson(JsonWriter writer, object? value, JsonSerializer serializer)
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{
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throw new NotImplementedException();
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}
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public override object? ReadJson(JsonReader reader, Type objectType, object? existingValue, JsonSerializer serializer)
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{
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var token = JToken.Load(reader);
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switch (token.Type)
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{
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case JTokenType.Array:
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return token.ToObject(objectType);
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case JTokenType.Object:
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return new List<PlayListSongArtistModel> { token.ToObject<PlayListSongArtistModel>() };
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default:
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return null;
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}
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}
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public override bool CanConvert(Type objectType)
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{
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return objectType == typeof(ICollection<PlayListSongArtistModel>);
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}
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}
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@ -1,109 +1,69 @@
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using System.Security.Cryptography;
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using System.Text;
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using System.Net.Http.Headers;
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using Newtonsoft.Json;
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using ZonyLrcTools.Common.Infrastructure.DependencyInject;
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using ZonyLrcTools.Common.Infrastructure.Encryption;
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using ZonyLrcTools.Common.Infrastructure.Exceptions;
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using ZonyLrcTools.Common.Infrastructure.Network;
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using ZonyLrcTools.Common.MusicScanner.JsonModel;
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namespace ZonyLrcTools.Common.MusicScanner;
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public class NetEaseMusicSongListMusicScanner : ITransientDependency
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{
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}
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private readonly IWarpHttpClient _warpHttpClient;
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public interface INetEaseMusicSongListMusicScanner
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{
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}
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/// <summary>
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///
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/// </summary>
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/// <remarks>
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/// Reference github links:
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/// https://github.com/Quandong-Zhang/easynet-playlist-downloader/blob/main/main.py
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/// https://github.com/mos9527/pyncm/blob/master/pyncm/apis/login.py
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/// </remarks>
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public class NetEaseMusicSessionManager : INetEaseMusicSongListMusicScanner, ISingletonDependency
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{
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}
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public class NetEaseCrypto
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{
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private readonly (long, long) WEAPI_RSA_PUBKEY = (
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Convert.ToInt64(
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"00e0b509f6259df8642dbc35662901477df22677ec152b5ff68ace615bb7b725152b3ab17a876aea8a5aa76d2e417629ec4ee341f56135fccf695280104e0312ecbda92557c93870114af6c9d05c4f7f0c3685b7a46bee255932575cce10b424d813cfe4875d3e82047b97ddef52741d546b8e289dc6935b3ece0462db0a22b8e7",
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16),
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Convert.ToInt64("10001", 16) // textbook rsa without padding
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);
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private const string Base62 = "PJArHa0dpwhvMNYqKnTbitWfEmosQ9527ZBx46IXUgOzD81VuSFyckLRljG3eC";
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private const string Base64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
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private const string WEAPI_AES_KEY = "0CoJUm6Qyw8W8jud"; // cbc
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private const string WEAPI_AES_IV = "0102030405060708"; // cbc
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private const string LINUXAPI_AES_KEY = "rFgB&h#%2?^eDg:Q"; // ecb
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private const string EAPI_DIGEST_SALT = "nobody%(url)suse%(text)smd5forencrypt";
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private const string EAPI_DATA_SALT = "%(url)s-36cd479b6b5-%(text)s-36cd479b6b5-%(digest)s";
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private const string EAPI_AES_KEY = "e82ckenh8dichen8"; // ecb
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public string WeApiEncrypt(string @params, string aesKey2 = null)
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public NetEaseMusicSongListMusicScanner(IWarpHttpClient warpHttpClient)
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{
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aesKey2 ??= RandomString(16);
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// 1st go,encrypt the text with aes_key and aes_iv.
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@params = AesEncrypt(@params, WEAPI_AES_KEY, WEAPI_AES_IV, CipherMode.CBC);
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// 2nd go,encrypt the ENCRYPTED text again,with the 2nd key and aes_iv.
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@params = AesEncrypt(@params, aesKey2, WEAPI_AES_IV);
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// 3rd go,generate RSA encrypted encSecKey.
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var encSecKey = HexDigest(RsaEncrypt(aesKey2, WEAPI_RSA_PUBKEY.Item1, WEAPI_RSA_PUBKEY.Item2));
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return $"params={@params}&encSecKey={encSecKey}";
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_warpHttpClient = warpHttpClient;
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}
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public string AesEncrypt(string data, string key, string iv, CipherMode mode = CipherMode.CBC)
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public async Task<List<MusicInfo>> GetMusicInfoFromNetEaseMusicSongListAsync(string songListId, ManualDownloadOptions options)
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{
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using (var aes = Aes.Create())
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{
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aes.Key = Encoding.UTF8.GetBytes(key);
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aes.IV = Encoding.UTF8.GetBytes(iv);
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aes.Mode = mode;
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aes.Padding = PaddingMode.PKCS7;
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using (var encryptor = aes.CreateEncryptor(aes.Key, aes.IV))
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var secretKey = NetEaseMusicEncryptionHelper.CreateSecretKey(16);
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var encSecKey = NetEaseMusicEncryptionHelper.RsaEncode(secretKey);
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var response = await _warpHttpClient.PostAsync<GetMusicInfoFromNetEaseMusicSongListResponse>("https://music.163.com/weapi/v6/playlist/detail?csrf_token=", requestOption:
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request =>
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{
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var plainBytes = System.Text.Encoding.UTF8.GetBytes(Pkcs7Pad(data));
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var encryptedBytes = encryptor.TransformFinalBlock(plainBytes, 0, plainBytes.Length);
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return Convert.ToBase64String(encryptedBytes);
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}
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request.Content = new FormUrlEncodedContent(HandleRequest(new
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{
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csrf_token = "",
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id = songListId,
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n = 100000,
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offset = 0,
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total = true,
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limit = 1000,
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}, secretKey, encSecKey));
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request.Content.Headers.ContentType = new MediaTypeHeaderValue("application/x-www-form-urlencoded");
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});
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if (response.Code != 200 || response.PlayList?.SongList == null)
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{
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throw new ErrorCodeException(ErrorCodes.NotSupportedFileEncoding);
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}
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return response.PlayList.SongList
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.Where(song => !string.IsNullOrEmpty(song.Name))
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.Select(song =>
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{
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var artistName = song.Artists?.FirstOrDefault()?.Name ?? string.Empty;
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var fakeFilePath = Path.Combine(options.OutputDirectory, options.OutputFileNamePattern.Replace("{Name}", song.Name).Replace("{Artist}", artistName));
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var info = new MusicInfo(fakeFilePath, song.Name!, artistName);
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return info;
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}).ToList();
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}
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private string Pkcs7Pad(string data, int bs = 16)
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private Dictionary<string, string> HandleRequest(object srcParams, string secretKey, string encSecKey)
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{
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var padding = bs - data.Length % bs;
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return data + new string((char)padding, padding);
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}
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private string RandomString(int length, string chars = Base62)
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{
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var random = new Random();
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return string.Join("", Enumerable.Range(0, length).Select(_ => chars[random.Next(chars.Length)]));
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}
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private string HexDigest(byte[] data)
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{
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return string.Join("", data.Select(b => b.ToString("X2")));
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}
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static byte[] RsaEncrypt(string data, long n, long e, bool reverse = true)
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{
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var m = reverse ? data.Reverse() : data;
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var mBytes = Encoding.UTF8.GetBytes(string.Join("", m));
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var mHex = BitConverter.ToString(mBytes).Replace("-", string.Empty);
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var mInt = int.Parse(mHex, System.Globalization.NumberStyles.HexNumber);
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var r = (int)Math.Pow(mInt, e) % n;
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return BitConverter.GetBytes(r);
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}
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static string HexCompose(string hex)
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{
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return BitConverter.ToString(Enumerable.Range(0, hex.Length)
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.Where(x => x % 2 == 0)
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.Select(x => Convert.ToByte(hex.Substring(x, 2), 16))
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.ToArray());
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return new Dictionary<string, string>
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{
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{
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"params", NetEaseMusicEncryptionHelper.AesEncode(
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NetEaseMusicEncryptionHelper.AesEncode(
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JsonConvert.SerializeObject(srcParams), NetEaseMusicEncryptionHelper.Nonce), secretKey)
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},
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{ "encSecKey", encSecKey }
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};
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}
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}
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@ -1,5 +1,19 @@
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namespace ZonyLrcTools.Tests.MusicScanner;
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using System.Threading.Tasks;
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using Shouldly;
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using Xunit;
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using ZonyLrcTools.Common.MusicScanner;
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namespace ZonyLrcTools.Tests.MusicScanner;
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public class NetEaseMusicSongListMusicScannerTests : TestBase
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{
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[Fact]
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public async Task GetMusicInfoFromNetEaseMusicSongListAsync_Test()
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{
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var musicScanner = GetService<NetEaseMusicSongListMusicScanner>();
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var musicInfo = await musicScanner.GetMusicInfoFromNetEaseMusicSongListAsync("7224428149", new ManualDownloadOptions());
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musicInfo.ShouldNotBeNull();
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musicInfo.Count.ShouldBeGreaterThan(10);
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}
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}
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