TITcs.SharePoint.Libs by Stiven F. Câmara

<PackageReference Include="TITcs.SharePoint.Libs" Version="1.0.0" />

.NET API 60,016,200 bytes

 SPAppRequestContext

public sealed class SPAppRequestContext
public static SPAppRequestContext Current { get; }

public string AppIdentifier { get; }

public bool IsAppOnlyRequest { get; }

public static SPAppRequestContext InitCurrent(string appPrincipalIdentifier)

public bool HasFullControl(SPServiceContext serviceContext)

public bool IsAppEnabled(SPServiceContext serviceContext)