feat: Completed the NCM decryption tool class.

完成 NCM 解密工具类。

tests/ZonyLrcTools.Tests/Infrastructure/MusicDecryption/NcmMusicDecryptor_Tests.cs

@@ -0,0 +1,35 @@
+using System.IO;
+using System.Threading.Tasks;
+using Microsoft.Extensions.DependencyInjection;
+using Newtonsoft.Json.Linq;
+using Xunit;
+using ZonyLrcTools.Cli.Infrastructure.MusicDecryption;
+
+namespace ZonyLrcTools.Tests.Infrastructure.MusicDecryption
+{
+    public class NcmMusicDecryptorTests : TestBase
+    {
+        [Fact]
+        public async Task ConvertMusic_Test()
+        {
+            var decryptor = ServiceProvider.GetRequiredService<IMusicDecryptor>();
+
+            await using var fs = File.Open(Path.Combine(Directory.GetCurrentDirectory(), "MusicFiles", "Loren Gray - Queen.ncm"), FileMode.Open);
+            using var reader = new BinaryReader(fs);
+            var response = await decryptor.ConvertMusic(reader.ReadBytes((int) fs.Length));
+
+            var musicFilePath = Path.Combine(Directory.GetCurrentDirectory(),
+                "MusicFiles",
+                $"Loren Gray - Queen.{((JObject) response.ExtensionObjects["JSON"]).SelectToken("$.format").Value<string>()}");
+
+            if (File.Exists(musicFilePath))
+            {
+                File.Delete(musicFilePath);
+            }
+
+            await using var musicFileStream = File.Create(musicFilePath);
+            await musicFileStream.WriteAsync(response.Data);
+            await musicFileStream.FlushAsync();
+        }
+    }
+}

tests/ZonyLrcTools.Tests/ZonyLrcTools.Tests.csproj

@@ -29,6 +29,10 @@
       <Content Include="MusicFiles\曾经艺也 - 荀彧(纯音乐版).mp3">
         <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
       </Content>
+      <None Remove="MusicFiles\Loren Gray - Queen.ncm" />
+      <Content Include="MusicFiles\Loren Gray - Queen.ncm">
+        <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+      </Content>
     </ItemGroup>
 
 </Project>