chore: Working...

src/ZonyLrcTools.Cli/Commands/SubCommand/ManualDownloadCommand.cs

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+using McMaster.Extensions.CommandLineUtils;
+using Microsoft.Extensions.Logging;
+
+namespace ZonyLrcTools.Cli.Commands.SubCommand;
+
+[Command("manual", Description = "手动指定歌曲信息，然后下载对应的歌词数据。")]
+public class ManualDownloadCommand : ToolCommandBase
+{
+    private readonly ILogger<ManualDownloadCommand> _logger;
+
+    public ManualDownloadCommand(ILogger<ManualDownloadCommand> logger)
+    {
+        _logger = logger;
+    }
+}

src/ZonyLrcTools.Common/MusicScanner/NetEaseMusicSongListMusicScanner.cs

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+using System.Security.Cryptography;
+using System.Text;
+using ZonyLrcTools.Common.Infrastructure.DependencyInject;
+
+namespace ZonyLrcTools.Common.MusicScanner;
+
+public class NetEaseMusicSongListMusicScanner : ITransientDependency
+{
+}
+
+public interface INetEaseMusicSongListMusicScanner
+{
+}
+
+/// <summary>
+/// 
+/// </summary>
+/// <remarks>
+/// Reference github links:
+/// https://github.com/Quandong-Zhang/easynet-playlist-downloader/blob/main/main.py
+/// https://github.com/mos9527/pyncm/blob/master/pyncm/apis/login.py
+/// </remarks>
+public class NetEaseMusicSessionManager : INetEaseMusicSongListMusicScanner, ISingletonDependency
+{
+}
+
+public class NetEaseCrypto
+{
+    private readonly (long, long) WEAPI_RSA_PUBKEY = (
+        Convert.ToInt64(
+            "00e0b509f6259df8642dbc35662901477df22677ec152b5ff68ace615bb7b725152b3ab17a876aea8a5aa76d2e417629ec4ee341f56135fccf695280104e0312ecbda92557c93870114af6c9d05c4f7f0c3685b7a46bee255932575cce10b424d813cfe4875d3e82047b97ddef52741d546b8e289dc6935b3ece0462db0a22b8e7",
+            16),
+        Convert.ToInt64("10001", 16) // textbook rsa without padding
+    );
+
+    private const string Base62 = "PJArHa0dpwhvMNYqKnTbitWfEmosQ9527ZBx46IXUgOzD81VuSFyckLRljG3eC";
+    private const string Base64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
+
+    private const string WEAPI_AES_KEY = "0CoJUm6Qyw8W8jud"; // cbc
+    private const string WEAPI_AES_IV = "0102030405060708"; // cbc
+    private const string LINUXAPI_AES_KEY = "rFgB&h#%2?^eDg:Q"; // ecb
+    private const string EAPI_DIGEST_SALT = "nobody%(url)suse%(text)smd5forencrypt";
+    private const string EAPI_DATA_SALT = "%(url)s-36cd479b6b5-%(text)s-36cd479b6b5-%(digest)s";
+    private const string EAPI_AES_KEY = "e82ckenh8dichen8"; // ecb
+
+    public string WeApiEncrypt(string @params, string aesKey2 = null)
+    {
+        aesKey2 ??= RandomString(16);
+        // 1st go,encrypt the text with aes_key and aes_iv.
+        @params = AesEncrypt(@params, WEAPI_AES_KEY, WEAPI_AES_IV, CipherMode.CBC);
+        // 2nd go,encrypt the ENCRYPTED text again,with the 2nd key and aes_iv.
+        @params = AesEncrypt(@params, aesKey2, WEAPI_AES_IV);
+        // 3rd go,generate RSA encrypted encSecKey.
+        var encSecKey = HexDigest(RsaEncrypt(aesKey2, WEAPI_RSA_PUBKEY.Item1, WEAPI_RSA_PUBKEY.Item2));
+        return $"params={@params}&encSecKey={encSecKey}";
+    }
+
+    public string AesEncrypt(string data, string key, string iv, CipherMode mode = CipherMode.CBC)
+    {
+        using (var aes = Aes.Create())
+        {
+            aes.Key = Encoding.UTF8.GetBytes(key);
+            aes.IV = Encoding.UTF8.GetBytes(iv);
+            aes.Mode = mode;
+            aes.Padding = PaddingMode.PKCS7;
+            using (var encryptor = aes.CreateEncryptor(aes.Key, aes.IV))
+            {
+                var plainBytes = System.Text.Encoding.UTF8.GetBytes(Pkcs7Pad(data));
+                var encryptedBytes = encryptor.TransformFinalBlock(plainBytes, 0, plainBytes.Length);
+                return Convert.ToBase64String(encryptedBytes);
+            }
+        }
+    }
+
+    private string Pkcs7Pad(string data, int bs = 16)
+    {
+        var padding = bs - data.Length % bs;
+        return data + new string((char)padding, padding);
+    }
+
+    private string RandomString(int length, string chars = Base62)
+    {
+        var random = new Random();
+        return string.Join("", Enumerable.Range(0, length).Select(_ => chars[random.Next(chars.Length)]));
+    }
+
+    private string HexDigest(byte[] data)
+    {
+        return string.Join("", data.Select(b => b.ToString("X2")));
+    }
+
+    static byte[] RsaEncrypt(string data, long n, long e, bool reverse = true)
+    {
+        var m = reverse ? data.Reverse() : data;
+        var mBytes = Encoding.UTF8.GetBytes(string.Join("", m));
+        var mHex = BitConverter.ToString(mBytes).Replace("-", string.Empty);
+        var mInt = int.Parse(mHex, System.Globalization.NumberStyles.HexNumber);
+        var r = (int)Math.Pow(mInt, e) % n;
+        return BitConverter.GetBytes(r);
+    }
+
+    static string HexCompose(string hex)
+    {
+        return BitConverter.ToString(Enumerable.Range(0, hex.Length)
+            .Where(x => x % 2 == 0)
+            .Select(x => Convert.ToByte(hex.Substring(x, 2), 16))
+            .ToArray());
+    }
+}

src/ZonyLrcTools.Common/MusicScanner/QQMusicSongListMusicScanner.cs

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+// namespace ZonyLrcTools.Common.MusicScanner;
+//
+// public class QQMusicSongListMusicScanner : IMusicScanner
+// {
+// }

tests/ZonyLrcTools.Tests/MusicScanner/NetEaseMusicSongListMusicScannerTests.cs

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+namespace ZonyLrcTools.Tests.MusicScanner;
+
+public class NetEaseMusicSongListMusicScannerTests : TestBase
+{
+}