Merge branch 'packing'

.gitlab-ci.yml

@@ -28,7 +28,9 @@ build-debug:
     - mv ./AMWD.Common.AspNetCore/bin/Debug/*.nupkg  ./artifacts/
     - mv ./AMWD.Common.AspNetCore/bin/Debug/*.snupkg ./artifacts/
     - mv ./AMWD.Common.EntityFrameworkCore/bin/Debug/*.nupkg  ./artifacts/
-    - mv ./AMWD.Common.EntityFrameworkCore/bin/Debug/*.snupkg ./artifacts/
+    - mv ./AMWD.Common.EntityFrameworkCore/bin/Debug/*.snupkg ./artifacts/
+    - mv ./AMWD.Common.MessagePack/bin/Debug/*.nupkg  ./artifacts/
+    - mv ./AMWD.Common.MessagePack/bin/Debug/*.snupkg ./artifacts/
     - mv ./AMWD.Common.Test/bin/Debug/*.nupkg  ./artifacts/
     - mv ./AMWD.Common.Test/bin/Debug/*.snupkg ./artifacts/
   artifacts:
@@ -72,7 +74,9 @@ build-release:
     - mv ./AMWD.Common.AspNetCore/bin/Release/*.nupkg  ./artifacts/
     - mv ./AMWD.Common.AspNetCore/bin/Release/*.snupkg ./artifacts/
     - mv ./AMWD.Common.EntityFrameworkCore/bin/Release/*.nupkg  ./artifacts/
-    - mv ./AMWD.Common.EntityFrameworkCore/bin/Release/*.snupkg ./artifacts/
+    - mv ./AMWD.Common.EntityFrameworkCore/bin/Release/*.snupkg ./artifacts/
+    - mv ./AMWD.Common.MessagePack/bin/Release/*.nupkg  ./artifacts/
+    - mv ./AMWD.Common.MessagePack/bin/Release/*.snupkg ./artifacts/
     - mv ./AMWD.Common.Test/bin/Release/*.nupkg  ./artifacts/
     - mv ./AMWD.Common.Test/bin/Release/*.snupkg ./artifacts/
   artifacts:
@@ -136,6 +140,19 @@ deploy-entityframework:
     - if: $CI_COMMIT_TAG =~ /^efc\/v[0-9.]+/
   script:
     - dotnet nuget push -k $BAGET_APIKEY -s https://nuget.am-wd.de/v3/index.json --skip-duplicate artifacts/AMWD.Common.EntityFrameworkCore.*.nupkg
+
+deploy-messagepack:
+  stage: deploy
+  dependencies:
+    - build-release
+    - test-release
+  tags:
+    - docker
+    - lnx
+  rules:
+    - if: $CI_COMMIT_TAG =~ /^msgpack\/v[0-9.]+/
+  script:
+    - dotnet nuget push -k $BAGET_APIKEY -s https://nuget.am-wd.de/v3/index.json --skip-duplicate artifacts/AMWD.Common.MessagePack.*.nupkg
 
 deploy-test:
   stage: deploy

AMWD.Common.AspNetCore/AMWD.Common.AspNetCore.csproj

@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <TargetFrameworks>net6.0;net8.0</TargetFrameworks>
-    <LangVersion>10.0</LangVersion>
+    <LangVersion>12.0</LangVersion>
 
     <NrtTagMatch>asp/v[0-9]*</NrtTagMatch>
     <AssemblyName>AMWD.Common.AspNetCore</AssemblyName>

AMWD.Common.AspNetCore/Extensions/HttpContextExtensions.cs

@@ -12,12 +12,12 @@ namespace Microsoft.AspNetCore.Http
 	public static class HttpContextExtensions
 	{
 		// Search these additional headers for a remote client ip address.
-		private static readonly string[] _defaultIpHeaderNames = new[]
+		private static readonly string[] _defaultIpHeaderNames =
-		{
+		[
 			"Cf-Connecting-Ip",  // set by Cloudflare
 			"X-Real-IP",         // wide-spread alternative to X-Forwarded-For
 			"X-Forwarded-For",   // commonly used on all known proxies
-		};
+		];
 
 		/// <summary>
 		/// Retrieves the antiforgery token.

AMWD.Common.AspNetCore/ModelBinders/InvariantFloatingPointModelBinder.cs

@@ -9,26 +9,19 @@ namespace Microsoft.AspNetCore.Mvc.ModelBinding
 	/// <summary>
 	/// Custom floating point ModelBinder as the team of Microsoft is not capable of fixing their <see href="https://github.com/dotnet/aspnetcore/issues/6566">issue</see> with other cultures than en-US.
 	/// </summary>
+	/// <remarks>
+	/// Initializes a new instance of <see cref="InvariantFloatingPointModelBinder"/>.
+	/// </remarks>
+	/// <param name="supportedStyles">The <see cref="NumberStyles"/>.</param>
+	/// <param name="cultureInfo">The <see cref="CultureInfo"/>.</param>
+	/// <param name="loggerFactory">The <see cref="ILoggerFactory"/>.</param>
 	[System.Diagnostics.CodeAnalysis.ExcludeFromCodeCoverage]
-	public class InvariantFloatingPointModelBinder : IModelBinder
+	public class InvariantFloatingPointModelBinder(NumberStyles supportedStyles, CultureInfo cultureInfo, ILoggerFactory loggerFactory)
+		: IModelBinder
 	{
-		private readonly NumberStyles _supportedNumberStyles;
+		private readonly NumberStyles _supportedNumberStyles = supportedStyles;
-		private readonly ILogger _logger;
+		private readonly ILogger _logger = loggerFactory?.CreateLogger<InvariantFloatingPointModelBinder>();
-		private readonly CultureInfo _cultureInfo;
+		private readonly CultureInfo _cultureInfo = cultureInfo ?? throw new ArgumentNullException(nameof(cultureInfo));
-
-		/// <summary>
-		/// Initializes a new instance of <see cref="InvariantFloatingPointModelBinder"/>.
-		/// </summary>
-		/// <param name="supportedStyles">The <see cref="NumberStyles"/>.</param>
-		/// <param name="cultureInfo">The <see cref="CultureInfo"/>.</param>
-		/// <param name="loggerFactory">The <see cref="ILoggerFactory"/>.</param>
-		public InvariantFloatingPointModelBinder(NumberStyles supportedStyles, CultureInfo cultureInfo, ILoggerFactory loggerFactory)
-		{
-			_cultureInfo = cultureInfo ?? throw new ArgumentNullException(nameof(cultureInfo));
-
-			_supportedNumberStyles = supportedStyles;
-			_logger = loggerFactory?.CreateLogger<InvariantFloatingPointModelBinder>();
-		}
 
 		/// <inheritdoc />
 		public Task BindModelAsync(ModelBindingContext bindingContext)

AMWD.Common.AspNetCore/Security/BasicAuthentication/BasicAuthenticationHandler.cs

@@ -13,49 +13,39 @@ using Microsoft.Extensions.Options;
 
 namespace AMWD.Common.AspNetCore.Security.BasicAuthentication
 {
+#if NET8_0_OR_GREATER
 	/// <summary>
 	/// Implements the <see cref="AuthenticationHandler{TOptions}"/> for Basic Authentication.
 	/// </summary>
+	/// <remarks>
+	/// Initializes a new instance of the <see cref="BasicAuthenticationHandler"/> class.
+	/// </remarks>
+	/// <param name="options" > The monitor for the options instance.</param>
+	/// <param name="logger">The <see cref="ILoggerFactory"/>.</param>
+	/// <param name="encoder">The <see cref="UrlEncoder"/>.</param>
+	/// <param name="validator">An basic autentication validator implementation.</param>
 	[System.Diagnostics.CodeAnalysis.ExcludeFromCodeCoverage]
-	public class BasicAuthenticationHandler : AuthenticationHandler<AuthenticationSchemeOptions>
+	public class BasicAuthenticationHandler(IOptionsMonitor<AuthenticationSchemeOptions> options, ILoggerFactory logger, UrlEncoder encoder, IBasicAuthenticationValidator validator)
+		: AuthenticationHandler<AuthenticationSchemeOptions>(options, logger, encoder)
+#else
+	/// <summary>
+	/// Implements the <see cref="AuthenticationHandler{TOptions}"/> for Basic Authentication.
+	/// </summary>
+	/// <remarks>
+	/// Initializes a new instance of the <see cref="BasicAuthenticationHandler"/> class.
+	/// </remarks>
+	/// <param name="options" > The monitor for the options instance.</param>
+	/// <param name="logger">The <see cref="ILoggerFactory"/>.</param>
+	/// <param name="encoder">The <see cref="UrlEncoder"/>.</param>
+	/// <param name="clock">The <see cref="ISystemClock"/>.</param>
+	/// <param name="validator">An basic autentication validator implementation.</param>
+	[System.Diagnostics.CodeAnalysis.ExcludeFromCodeCoverage]
+	public class BasicAuthenticationHandler(IOptionsMonitor<AuthenticationSchemeOptions> options, ILoggerFactory logger, UrlEncoder encoder, ISystemClock clock, IBasicAuthenticationValidator validator)
+		: AuthenticationHandler<AuthenticationSchemeOptions>(options, logger, encoder, clock)
+#endif
 	{
-		private readonly ILogger _logger;
+		private readonly ILogger _logger = logger.CreateLogger<BasicAuthenticationHandler>();
-		private readonly IBasicAuthenticationValidator _validator;
+		private readonly IBasicAuthenticationValidator _validator = validator;
-
-#if NET8_0_OR_GREATER
-		/// <summary>
-		/// Initializes a new instance of the <see cref="BasicAuthenticationHandler"/> class.
-		/// </summary>
-		/// <param name="options">The monitor for the options instance.</param>
-		/// <param name="logger">The <see cref="ILoggerFactory"/>.</param>
-		/// <param name="encoder">The <see cref="UrlEncoder"/>.</param>
-		/// <param name="validator">An basic autentication validator implementation.</param>
-		public BasicAuthenticationHandler(IOptionsMonitor<AuthenticationSchemeOptions> options, ILoggerFactory logger, UrlEncoder encoder, IBasicAuthenticationValidator validator)
-			: base(options, logger, encoder)
-		{
-			_logger = logger.CreateLogger<BasicAuthenticationHandler>();
-			_validator = validator;
-		}
-#endif
-
-#if NET6_0
-
-		/// <summary>
-		/// Initializes a new instance of the <see cref="BasicAuthenticationHandler"/> class.
-		/// </summary>
-		/// <param name="options" > The monitor for the options instance.</param>
-		/// <param name="logger">The <see cref="ILoggerFactory"/>.</param>
-		/// <param name="encoder">The <see cref="UrlEncoder"/>.</param>
-		/// <param name="clock">The <see cref="ISystemClock"/>.</param>
-		/// <param name="validator">An basic autentication validator implementation.</param>
-		public BasicAuthenticationHandler(IOptionsMonitor<AuthenticationSchemeOptions> options, ILoggerFactory logger, UrlEncoder encoder, ISystemClock clock, IBasicAuthenticationValidator validator)
-			: base(options, logger, encoder, clock)
-		{
-			_logger = logger.CreateLogger<BasicAuthenticationHandler>();
-			_validator = validator;
-		}
-
-#endif
 
 		/// <inheritdoc/>
 		protected override async Task<AuthenticateResult> HandleAuthenticateAsync()

AMWD.Common.AspNetCore/Security/BasicAuthentication/BasicAuthenticationMiddleware.cs

@@ -11,21 +11,15 @@ namespace AMWD.Common.AspNetCore.Security.BasicAuthentication
 	/// <summary>
 	/// Implements a basic authentication.
 	/// </summary>
-	public class BasicAuthenticationMiddleware
+	/// <remarks>
+	/// Initializes a new instance of the <see cref="BasicAuthenticationMiddleware"/> class.
+	/// </remarks>
+	/// <param name="next">The following delegate in the process chain.</param>
+	/// <param name="validator">A basic authentication validator.</param>
+	public class BasicAuthenticationMiddleware(RequestDelegate next, IBasicAuthenticationValidator validator)
 	{
-		private readonly RequestDelegate _next;
+		private readonly RequestDelegate _next = next;
-		private readonly IBasicAuthenticationValidator _validator;
+		private readonly IBasicAuthenticationValidator _validator = validator;
-
-		/// <summary>
-		/// Initializes a new instance of the <see cref="BasicAuthenticationMiddleware"/> class.
-		/// </summary>
-		/// <param name="next">The following delegate in the process chain.</param>
-		/// <param name="validator">A basic authentication validator.</param>
-		public BasicAuthenticationMiddleware(RequestDelegate next, IBasicAuthenticationValidator validator)
-		{
-			_next = next;
-			_validator = validator;
-		}
 
 		/// <summary>
 		/// The delegate invokation.
@@ -35,15 +29,27 @@ namespace AMWD.Common.AspNetCore.Security.BasicAuthentication
 		/// <returns>An awaitable task.</returns>
 		public async Task InvokeAsync(HttpContext httpContext)
 		{
+#if NET8_0_OR_GREATER
+			if (!httpContext.Request.Headers.TryGetValue("Authorization", out var authHeaderValue))
+			{
+				SetAuthenticateRequest(httpContext, _validator.Realm);
+				return;
+			}
+#else
 			if (!httpContext.Request.Headers.ContainsKey("Authorization"))
 			{
 				SetAuthenticateRequest(httpContext, _validator.Realm);
 				return;
 			}
+#endif
 
 			try
 			{
+#if NET8_0_OR_GREATER
+				var authHeader = AuthenticationHeaderValue.Parse(authHeaderValue);
+#else
 				var authHeader = AuthenticationHeaderValue.Parse(httpContext.Request.Headers["Authorization"]);
+#endif
 				byte[] decoded = Convert.FromBase64String(authHeader.Parameter);
 				string plain = Encoding.UTF8.GetString(decoded);
 
@@ -70,9 +76,9 @@ namespace AMWD.Common.AspNetCore.Security.BasicAuthentication
 
 		private static void SetAuthenticateRequest(HttpContext httpContext, string realm)
 		{
-			httpContext.Response.Headers["WWW-Authenticate"] = "Basic";
+			httpContext.Response.Headers.WWWAuthenticate = "Basic";
 			if (!string.IsNullOrWhiteSpace(realm))
-				httpContext.Response.Headers["WWW-Authenticate"] = $"Basic realm=\"{realm.Replace("\"", "")}\"";
+				httpContext.Response.Headers.WWWAuthenticate = $"Basic realm=\"{realm.Replace("\"", "")}\"";
 
 			httpContext.Response.StatusCode = StatusCodes.Status401Unauthorized;
 		}

AMWD.Common.AspNetCore/Security/PathProtection/ProtectedPathMiddleware.cs

@@ -8,23 +8,16 @@ namespace AMWD.Common.AspNetCore.Security.PathProtection
 	/// <summary>
 	/// Implements a check to provide protected paths.
 	/// </summary>
-	public class ProtectedPathMiddleware
+	/// <remarks>
+	/// Initializes a new instance of the <see cref="ProtectedPathExtensions"/> class.
+	/// </remarks>
+	/// <param name="next">The following delegate in the process chain.</param>
+	/// <param name="options">The options to configure the middleware.</param>
+	public class ProtectedPathMiddleware(RequestDelegate next, ProtectedPathOptions options)
 	{
-		private readonly RequestDelegate _next;
+		private readonly RequestDelegate _next = next;
-		private readonly PathString _path;
+		private readonly PathString _path = options.Path;
-		private readonly string _policyName;
+		private readonly string _policyName = options.PolicyName;
-
-		/// <summary>
-		/// Initializes a new instance of the <see cref="ProtectedPathExtensions"/> class.
-		/// </summary>
-		/// <param name="next">The following delegate in the process chain.</param>
-		/// <param name="options">The options to configure the middleware.</param>
-		public ProtectedPathMiddleware(RequestDelegate next, ProtectedPathOptions options)
-		{
-			_next = next;
-			_path = options.Path;
-			_policyName = options.PolicyName;
-		}
 
 		/// <summary>
 		/// The delegate invokation.

AMWD.Common.AspNetCore/TagHelpers/ConditionClassTagHelper.cs

@@ -54,7 +54,7 @@ namespace Microsoft.AspNetCore.Razor.TagHelpers
 
 			if (items.Any())
 			{
-				string classes = string.Join(" ", items.ToArray());
+				string classes = string.Join(" ", [.. items]);
 				output.Attributes.Add("class", classes);
 			}
 		}

AMWD.Common.AspNetCore/TagHelpers/IntegrityHashTagHelper.cs

@@ -13,24 +13,19 @@ namespace Microsoft.AspNetCore.Razor.TagHelpers
 	/// <summary>
 	/// A tag helper to dynamically create integrity checks for linked sources.
 	/// </summary>
+	/// <remarks>
+	/// Initializes a new instance of the <see cref="IntegrityHashTagHelper"/> class.
+	/// </remarks>
+	/// <param name="env">The web host environment.</param>
+	/// <param name="configuration">The application configuration.</param>
 	[System.Diagnostics.CodeAnalysis.ExcludeFromCodeCoverage]
 	[HtmlTargetElement("link")]
 	[HtmlTargetElement("script")]
-	public class IntegrityHashTagHelper : TagHelper
+	public class IntegrityHashTagHelper(IWebHostEnvironment env, IConfiguration configuration)
+		: TagHelper
 	{
-		private readonly IWebHostEnvironment _env;
+		private readonly IWebHostEnvironment _env = env;
-		private readonly string _hostUrl;
+		private readonly string _hostUrl = configuration.GetValue("ASPNETCORE_APPL_URL", "http://localhost/");
-
-		/// <summary>
-		/// Initializes a new instance of the <see cref="IntegrityHashTagHelper"/> class.
-		/// </summary>
-		/// <param name="env">The web host environment.</param>
-		/// <param name="configuration">The application configuration.</param>
-		public IntegrityHashTagHelper(IWebHostEnvironment env, IConfiguration configuration)
-		{
-			_env = env;
-			_hostUrl = configuration.GetValue("ASPNETCORE_APPL_URL", "http://localhost/");
-		}
 
 		/// <summary>
 		/// Gets or sets a value indicating whether the integrity should be calculated.
@@ -118,7 +113,7 @@ namespace Microsoft.AspNetCore.Razor.TagHelpers
 			}
 
 			string type;
-			byte[] hashBytes = Array.Empty<byte>();
+			byte[] hashBytes = [];
 			switch (IntegrityStrength)
 			{
 				case 512:

AMWD.Common.AspNetCore/TagHelpers/NumberInputTagHelper.cs

@@ -9,17 +9,15 @@ namespace Microsoft.AspNetCore.Mvc.TagHelpers
 	/// <summary>
 	/// Adds additional behavior to the modelbinding for numeric properties.
 	/// </summary>
+	/// <remarks>
+	/// Initializes a new instance of the <see cref="NumberInputTagHelper"/> class.
+	/// </remarks>
+	/// <param name="generator">The HTML generator.</param>
 	[System.Diagnostics.CodeAnalysis.ExcludeFromCodeCoverage]
 	[HtmlTargetElement("input", Attributes = "asp-for")]
-	public class NumberInputTagHelper : InputTagHelper
+	public class NumberInputTagHelper(IHtmlGenerator generator)
+		: InputTagHelper(generator)
 	{
-		/// <summary>
-		/// Initializes a new instance of the <see cref="NumberInputTagHelper"/> class.
-		/// </summary>
-		/// <param name="generator">The HTML generator.</param>
-		public NumberInputTagHelper(IHtmlGenerator generator)
-			: base(generator)
-		{ }
 
 		/// <inheritdoc />
 		public override void Process(TagHelperContext context, TagHelperOutput output)

AMWD.Common.EntityFrameworkCore/AMWD.Common.EntityFrameworkCore.csproj

@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <TargetFrameworks>net6.0;net8.0</TargetFrameworks>
-    <LangVersion>10.0</LangVersion>
+    <LangVersion>12.0</LangVersion>
 
     <NrtTagMatch>efc/v[0-9]*</NrtTagMatch>
     <AssemblyName>AMWD.Common.EntityFrameworkCore</AssemblyName>
@@ -22,17 +22,17 @@
   </ItemGroup>
 
   <ItemGroup Condition="'$(TargetFramework)' == 'net6.0'">
-    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="6.0.25" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="6.0.26" />
-    <PackageReference Include="Microsoft.EntityFrameworkCore.Relational" Version="6.0.25" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Relational" Version="6.0.26" />
     <PackageReference Include="Microsoft.Extensions.Configuration" Version="6.0.1" />
     <PackageReference Include="Microsoft.Extensions.Configuration.Binder" Version="6.0.0" />
   </ItemGroup>
 
   <ItemGroup Condition="'$(TargetFramework)' == 'net8.0'">
-    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="8.0.0" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="8.0.1" />
-    <PackageReference Include="Microsoft.EntityFrameworkCore.Relational" Version="8.0.0" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Relational" Version="8.0.1" />
     <PackageReference Include="Microsoft.Extensions.Configuration" Version="8.0.0" />
-    <PackageReference Include="Microsoft.Extensions.Configuration.Binder" Version="8.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.Binder" Version="8.0.1" />
   </ItemGroup>
 
 </Project>

AMWD.Common.EntityFrameworkCore/Exceptions/DatabaseProviderException.cs

@@ -1,6 +1,4 @@
-using System.Runtime.Serialization;
+namespace System
-
-namespace System
 {
 	/// <summary>
 	/// A DatabaseProvider specific exception.
@@ -33,16 +31,16 @@ namespace System
 			: base(message, innerException)
 		{ }
 
-#if NET6_0
+#if !NET8_0_OR_GREATER
 
 		/// <summary>
 		/// Initializes a new instance of the <see cref="DatabaseProviderException"/> class with serialized data.
 		/// </summary>
-		/// <param name="info">The <see cref="SerializationInfo"/> that holds the serialized object data about the exception being thrown.</param>
+		/// <param name="info">The <see cref="Runtime.Serialization.SerializationInfo"/> that holds the serialized object data about the exception being thrown.</param>
-		/// <param name="context">The <see cref="StreamingContext"/> that contains contextual information about the source or destination.</param>
+		/// <param name="context">The <see cref="Runtime.Serialization.StreamingContext"/> that contains contextual information about the source or destination.</param>
 		/// <exception cref="ArgumentNullException">The info parameter is null.</exception>
-		/// <exception cref="SerializationException">The class name is null or <see cref="Exception.HResult"/> is zero (0).</exception>
+		/// <exception cref="Runtime.Serialization.SerializationException">The class name is null or <see cref="Exception.HResult"/> is zero (0).</exception>
-		protected DatabaseProviderException(SerializationInfo info, StreamingContext context)
+		protected DatabaseProviderException(Runtime.Serialization.SerializationInfo info, Runtime.Serialization.StreamingContext context)
 			: base(info, context)
 		{ }
 

AMWD.Common.EntityFrameworkCore/Extensions/DatabaseFacadeExtensions.cs

@@ -15,7 +15,11 @@ namespace Microsoft.EntityFrameworkCore
 	/// <summary>
 	/// Extensions for the <see cref="DatabaseFacade"/>.
 	/// </summary>
+#if NET8_0_OR_GREATER
+	public static partial class DatabaseFacadeExtensions
+#else
 	public static class DatabaseFacadeExtensions
+#endif
 	{
 		/// <summary>
 		/// Applies migration files to the database.
@@ -23,7 +27,7 @@ namespace Microsoft.EntityFrameworkCore
 		/// <param name="database">The database connection.</param>
 		/// <param name="optionsAction">An action to set additional options.</param>
 		/// <param name="cancellationToken">The cancellation token.</param>
-		/// <returns>true on success, otherwise false or an exception is thrown.</returns>
+		/// <returns><see langword="true"/> on success, otherwise false or an exception is thrown.</returns>
 		[System.Diagnostics.CodeAnalysis.SuppressMessage("Usage", "CA2208")]
 		public static async Task<bool> ApplyMigrationsAsync(this DatabaseFacade database, Action<DatabaseMigrationOptions> optionsAction, CancellationToken cancellationToken = default)
 		{
@@ -211,20 +215,20 @@ END;"
 				if (options.SourceAssembly == null)
 				{
 					availableMigrationFiles = Directory.GetFiles(options.Path)
-						.Where(f => f.ToLower().StartsWith(options.Path.ToLower()))
+						.Where(f => f.StartsWith(options.Path, StringComparison.OrdinalIgnoreCase))
-						.Where(f => f.ToLower().EndsWith(".sql"))
+						.Where(f => f.EndsWith(".sql", StringComparison.OrdinalIgnoreCase))
 						.ToList();
 				}
 				else
 				{
 					availableMigrationFiles = options.SourceAssembly
 						.GetManifestResourceNames()
-						.Where(f => f.ToLower().StartsWith(options.Path.ToLower()))
+						.Where(f => f.StartsWith(options.Path, StringComparison.OrdinalIgnoreCase))
-						.Where(f => f.ToLower().EndsWith(".sql"))
+						.Where(f => f.EndsWith(".sql", StringComparison.OrdinalIgnoreCase))
 						.ToList();
 				}
 
-				if (!availableMigrationFiles.Any())
+				if (availableMigrationFiles.Count == 0)
 					return true;
 
 				using var command = connection.CreateCommand();
@@ -270,7 +274,11 @@ END;"
 						{
 							using var stream = options.SourceAssembly.GetManifestResourceStream(migrationFile);
 							using var sr = new StreamReader(stream);
+#if NET8_0_OR_GREATER
+							sqlScript = await sr.ReadToEndAsync(cancellationToken).ConfigureAwait(false);
+#else
 							sqlScript = await sr.ReadToEndAsync().ConfigureAwait(false);
+#endif
 						}
 
 						if (string.IsNullOrWhiteSpace(sqlScript))
@@ -316,7 +324,11 @@ END;"
 			{
 				int affectedRows = 0;
 				// Split script by a single slash in a line
+#if NET8_0_OR_GREATER
+				string[] parts = FindSingleSlashInLine().Split(text);
+#else
 				string[] parts = Regex.Split(text, @"\r?\n[ \t]*/[ \t]*\r?\n");
+#endif
 				foreach (string part in parts)
 				{
 					// Make writable copy
@@ -325,7 +337,11 @@ END;"
 					// Remove the trailing semicolon from commands where they're not supported
 					// (Oracle doesn't like semicolons. To keep the semicolon, it must be directly
 					// preceeded by "end".)
-					pt = Regex.Replace(pt.TrimEnd(), @"(?<!end);$", "", RegexOptions.IgnoreCase | RegexOptions.CultureInvariant);
+#if NET8_0_OR_GREATER
+					pt = FindEndCommand().Replace(pt.TrimEnd(), "");
+#else
+					pt = Regex.Replace(pt, @"(?<!end);$", "", RegexOptions.IgnoreCase | RegexOptions.CultureInvariant);
+#endif
 
 					// Execute all non-empty parts as individual commands
 					if (!string.IsNullOrWhiteSpace(pt))
@@ -352,5 +368,13 @@ END;"
 			SQLServer = 5,
 			InMemory = 6,
 		}
+
+#if NET8_0_OR_GREATER
+		[GeneratedRegex(@"\r?\n[ \t]*/[ \t]*\r?\n")]
+		private static partial Regex FindSingleSlashInLine();
+
+		[GeneratedRegex(@"(?<!end);$", RegexOptions.IgnoreCase | RegexOptions.CultureInvariant)]
+		private static partial Regex FindEndCommand();
+#endif
 	}
 }

AMWD.Common.EntityFrameworkCore/Extensions/DbContextOptionsBuilderExtensions.cs

@@ -33,11 +33,15 @@ namespace Microsoft.EntityFrameworkCore
 		/// <returns>The <see cref="DbContextOptionsBuilder"/> with applied settings.</returns>
 		public static DbContextOptionsBuilder UseDatabaseProvider(this DbContextOptionsBuilder optionsBuilder, IConfiguration configuration, Action<DatabaseProviderOptions> optionsAction = null)
 		{
+#if NET8_0_OR_GREATER
+			ArgumentNullException.ThrowIfNull(optionsBuilder);
+			ArgumentNullException.ThrowIfNull(configuration);
+#else
 			if (optionsBuilder == null)
 				throw new ArgumentNullException(nameof(optionsBuilder));
-
 			if (configuration == null)
 				throw new ArgumentNullException(nameof(configuration));
+#endif
 
 			var options = new DatabaseProviderOptions();
 			optionsAction?.Invoke(options);

AMWD.Common.MessagePack/AMWD.Common.MessagePack.csproj

@@ -0,0 +1,32 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFrameworks>netstandard2.0;net6.0;net8.0</TargetFrameworks>
+    <LangVersion>12.0</LangVersion>
+
+    <NrtTagMatch>msgpack/v[0-9]*</NrtTagMatch>
+    <AssemblyName>AMWD.Common.MessagePack</AssemblyName>
+    <RootNamespace>AMWD.Common.MessagePack</RootNamespace>
+
+    <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
+    <PackageId>AMWD.Common.MessagePack</PackageId>
+    <PackageIcon>icon.png</PackageIcon>
+    <PackageReadmeFile>README.md</PackageReadmeFile>
+
+    <Product>AM.WD Common Library for MessagePack</Product>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <None Include="../icon.png" Pack="true" PackagePath="/" />
+    <None Include="../README.md" Pack="true" PackagePath="/" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <PackageReference Include="MessagePack" Version="2.5.140" />
+  </ItemGroup>
+
+  <ItemGroup Condition="'$(TargetFramework)' != 'net8.0'">
+    <PackageReference Include="Microsoft.AspNetCore.HttpOverrides" Version="2.2.0" />
+  </ItemGroup>
+
+</Project>

AMWD.Common.MessagePack/Formatters/IPAddressArrayFormatter.cs

@@ -2,7 +2,7 @@
 using System.Collections.Generic;
 using System.Linq;
 using System.Net;
-using AMWD.Common.Utilities;
+using AMWD.Common.MessagePack.Utilities;
 
 namespace MessagePack.Formatters
 {
@@ -66,7 +66,7 @@ namespace MessagePack.Formatters
 				bytes.AddRange(buffer);
 			}
 
-			options.Resolver.GetFormatterWithVerify<byte[]>().Serialize(ref writer, bytes.ToArray(), options);
+			options.Resolver.GetFormatterWithVerify<byte[]>().Serialize(ref writer, [.. bytes], options);
 		}
 	}
 }

AMWD.Common.MessagePack/Formatters/IPAddressListFormatter.cs

@@ -2,7 +2,7 @@
 using System.Collections.Generic;
 using System.Linq;
 using System.Net;
-using AMWD.Common.Utilities;
+using AMWD.Common.MessagePack.Utilities;
 
 namespace MessagePack.Formatters
 {
@@ -61,7 +61,7 @@ namespace MessagePack.Formatters
 				bytes.AddRange(buffer);
 			}
 
-			options.Resolver.GetFormatterWithVerify<byte[]>().Serialize(ref writer, bytes.ToArray(), options);
+			options.Resolver.GetFormatterWithVerify<byte[]>().Serialize(ref writer, [.. bytes], options);
 		}
 	}
 }

AMWD.Common.MessagePack/Formatters/IPNetworkArrayFormatter.cs

@@ -1,12 +1,15 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
-using AMWD.Common.Utilities;
+using AMWD.Common.MessagePack.Utilities;
-using MessagePack;
+#if NET8_0_OR_GREATER
-using MessagePack.Formatters;
+using IPNetwork = System.Net.IPNetwork;
+#else
 using Microsoft.AspNetCore.HttpOverrides;
+using IPNetwork = Microsoft.AspNetCore.HttpOverrides.IPNetwork;
+#endif
 
-namespace AMWD.Common.Formatters
+namespace MessagePack.Formatters
 {
 	/// <summary>
 	/// Serialization of an <see cref="IPNetwork"/> array to and from <see cref="MessagePack"/>.

AMWD.Common.MessagePack/Formatters/IPNetworkFormatter.cs

@@ -1,7 +1,12 @@
 using System;
 using System.Linq;
 using System.Net;
+#if NET8_0_OR_GREATER
+using IPNetwork = System.Net.IPNetwork;
+#else
 using Microsoft.AspNetCore.HttpOverrides;
+using IPNetwork = Microsoft.AspNetCore.HttpOverrides.IPNetwork;
+#endif
 
 namespace MessagePack.Formatters
 {
@@ -15,7 +20,7 @@ namespace MessagePack.Formatters
 		public IPNetwork Deserialize(ref MessagePackReader reader, MessagePackSerializerOptions options)
 		{
 			if (reader.IsNil)
-				return null;
+				return default;
 
 			byte[] bytes = options.Resolver.GetFormatterWithVerify<byte[]>().Deserialize(ref reader, options);
 			return DeserializeInternal(bytes);
@@ -24,7 +29,7 @@ namespace MessagePack.Formatters
 		/// <inheritdoc/>
 		public void Serialize(ref MessagePackWriter writer, IPNetwork value, MessagePackSerializerOptions options)
 		{
-			if (value == null)
+			if (value == default)
 			{
 				writer.WriteNil();
 				return;
@@ -38,7 +43,11 @@ namespace MessagePack.Formatters
 		{
 			// IP network prefix has a maximum of 128 bit - therefore the length can be covered with a byte.
 			byte prefixLength = (byte)network.PrefixLength;
+#if NET8_0_OR_GREATER
+			byte[] prefixBytes = network.BaseAddress.GetAddressBytes();
+#else
 			byte[] prefixBytes = network.Prefix.GetAddressBytes();
+#endif
 
 			byte[] bytes = new byte[prefixBytes.Length + 1];
 			bytes[0] = prefixLength;

AMWD.Common.MessagePack/Formatters/IPNetworkListFormatter.cs

@@ -1,8 +1,13 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
-using AMWD.Common.Utilities;
+using AMWD.Common.MessagePack.Utilities;
+#if NET8_0_OR_GREATER
+using IPNetwork = System.Net.IPNetwork;
+#else
 using Microsoft.AspNetCore.HttpOverrides;
+using IPNetwork = Microsoft.AspNetCore.HttpOverrides.IPNetwork;
+#endif
 
 namespace MessagePack.Formatters
 {

AMWD.Common.MessagePack/Utilities/NetworkHelper.cs

@@ -0,0 +1,17 @@
+using System;
+
+namespace AMWD.Common.MessagePack.Utilities
+{
+	/// <summary>
+	/// Provides some network utils.
+	/// </summary>
+	[System.Diagnostics.CodeAnalysis.ExcludeFromCodeCoverage]
+	internal static class NetworkHelper
+	{
+		public static void SwapBigEndian(byte[] array)
+		{
+			if (BitConverter.IsLittleEndian)
+				Array.Reverse(array);
+		}
+	}
+}

AMWD.Common.Test/AMWD.Common.Test.csproj

@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <TargetFramework>netstandard2.0</TargetFramework>
-    <LangVersion>10.0</LangVersion>
+    <LangVersion>12.0</LangVersion>
 
     <NrtTagMatch>test/v[0-9]*</NrtTagMatch>
     <AssemblyName>AMWD.Common.Test</AssemblyName>
@@ -22,7 +22,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Moq" Version="4.20.69" />
+    <PackageReference Include="Moq" Version="4.20.70" />
     <PackageReference Include="MSTest.TestFramework" Version="3.1.1" />
   </ItemGroup>
 

AMWD.Common/AMWD.Common.csproj

@@ -1,8 +1,8 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netstandard2.0</TargetFramework>
+    <TargetFrameworks>netstandard2.0;net8.0</TargetFrameworks>
-    <LangVersion>10.0</LangVersion>
+    <LangVersion>12.0</LangVersion>
 
     <AssemblyName>AMWD.Common</AssemblyName>
     <RootNamespace>AMWD.Common</RootNamespace>
@@ -21,10 +21,23 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="MessagePack" Version="2.5.129" />
-    <PackageReference Include="Microsoft.AspNetCore.HttpOverrides" Version="2.2.0" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
     <PackageReference Include="Unclassified.DeepConvert" Version="1.4.0" />
   </ItemGroup>
 
+  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
+    <PackageReference Include="Microsoft.AspNetCore.HttpOverrides" Version="2.2.0" />
+    <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="6.0.4" />
+  </ItemGroup>
+
+  <ItemGroup Condition="'$(TargetFramework)' == 'net8.0'">
+    <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="8.0.0" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <AssemblyAttribute Include="System.Runtime.CompilerServices.InternalsVisibleToAttribute">
+      <_Parameter1>UnitTests</_Parameter1>
+    </AssemblyAttribute>
+  </ItemGroup>
+
 </Project>

AMWD.Common/Cli/CommandLineParser.cs

@@ -14,7 +14,7 @@ namespace AMWD.Common.Cli
 
 		private string[] _args;
 		private List<Argument> _parsedArguments;
-		private readonly List<Option> _options = new();
+		private readonly List<Option> _options = [];
 
 		#endregion Private data
 
@@ -129,7 +129,7 @@ namespace AMWD.Common.Cli
 			{
 				args.Add(currentArg.ToString());
 			}
-			return args.ToArray();
+			return [.. args];
 		}
 
 		/// <summary>
@@ -199,7 +199,7 @@ namespace AMWD.Common.Cli
 			}
 
 			// Clear/reset data
-			_parsedArguments = new();
+			_parsedArguments = [];
 			foreach (var option in _options)
 			{
 				option.IsSet = false;
@@ -223,7 +223,7 @@ namespace AMWD.Common.Cli
 					string optName = arg.Substring(arg.StartsWith("--") ? 2 : 1);
 
 					// Split option value if separated with : or = instead of whitespace
-					int separatorIndex = optName.IndexOfAny(new[] { ':', '=' });
+					int separatorIndex = optName.IndexOfAny([':', '=']);
 					string optValue = null;
 					if (separatorIndex != -1)
 					{
@@ -288,7 +288,7 @@ namespace AMWD.Common.Cli
 				}
 				else
 				{
-					_parsedArguments.Add(new Argument(null, new[] { arg }));
+					_parsedArguments.Add(new Argument(null, [arg]));
 				}
 			}
 
@@ -315,7 +315,7 @@ namespace AMWD.Common.Cli
 				if (_parsedArguments == null)
 					Parse();
 
-				return _parsedArguments.ToArray();
+				return [.. _parsedArguments];
 			}
 		}
 

AMWD.Common/Cli/EnumerableWalker.cs

@@ -8,21 +8,16 @@ namespace AMWD.Common.Cli
 	/// Walks through an <see cref="IEnumerable{T}"/> and allows retrieving additional items.
 	/// </summary>
 	/// <typeparam name="T"></typeparam>
-	internal class EnumerableWalker<T> : IEnumerable<T>
+	/// <remarks>
-		where T : class
+	/// Initialises a new instance of the <see cref="EnumerableWalker{T}"/> class.
+	/// </remarks>
+	/// <param name="array">The array to walk though.</param>
+	internal class EnumerableWalker<T>(IEnumerable<T> array)
+		: IEnumerable<T> where T : class
 	{
-		private readonly IEnumerable<T> _array;
+		private readonly IEnumerable<T> _array = array ?? throw new ArgumentNullException(nameof(array));
 		private IEnumerator<T> _enumerator;
 
-		/// <summary>
-		/// Initialises a new instance of the <see cref="EnumerableWalker{T}"/> class.
-		/// </summary>
-		/// <param name="array">The array to walk though.</param>
-		public EnumerableWalker(IEnumerable<T> array)
-		{
-			_array = array ?? throw new ArgumentNullException(nameof(array));
-		}
-
 		IEnumerator<T> IEnumerable<T>.GetEnumerator()
 		{
 			_enumerator = _array.GetEnumerator();

AMWD.Common/Cli/Option.cs

@@ -16,7 +16,7 @@ namespace AMWD.Common.Cli
 		/// <param name="parameterCount">The number of additional parameters for this option.</param>
 		internal Option(string name, int parameterCount)
 		{
-			Names = new List<string>() { name };
+			Names = [name];
 			ParameterCount = parameterCount;
 		}
 

AMWD.Common/Converters/ByteArrayHexConverter.cs

@@ -13,18 +13,16 @@ namespace Newtonsoft.Json
 		/// <summary>
 		/// List of known types to use this converver.
 		/// </summary>
-		public static readonly Type[] KnownTypes = new[]
+		public static readonly Type[] KnownTypes =
-		{
+		[
 			typeof(byte[]),
 			typeof(List<byte>),
 			typeof(IEnumerable<byte>)
-		};
+		];
 
 		/// <inheritdoc/>
 		public override bool CanConvert(Type objectType)
-		{
+			=> KnownTypes.Contains(objectType);
-			return KnownTypes.Contains(objectType);
-		}
 
 		/// <inheritdoc/>
 		public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)

AMWD.Common/Converters/IPAddressConverter.cs

@@ -14,19 +14,17 @@ namespace Newtonsoft.Json
 		/// <summary>
 		/// List of known types to use this converver.
 		/// </summary>
-		public static readonly Type[] KnownTypes = new[]
+		public static readonly Type[] KnownTypes =
-		{
+		[
 			typeof(IPAddress),
 			typeof(IPAddress[]),
 			typeof(List<IPAddress>),
 			typeof(IEnumerable<IPAddress>)
-		};
+		];
 
 		/// <inheritdoc/>
 		public override bool CanConvert(Type objectType)
-		{
+			=> KnownTypes.Contains(objectType);
-			return KnownTypes.Contains(objectType);
-		}
 
 		/// <inheritdoc/>
 		public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)

AMWD.Common/Converters/IPNetworkConverter.cs

@@ -2,7 +2,12 @@
 using System.Collections.Generic;
 using System.Linq;
 using System.Net;
+#if NET8_0_OR_GREATER
+using IPNetwork = System.Net.IPNetwork;
+#else
 using Microsoft.AspNetCore.HttpOverrides;
+using IPNetwork = Microsoft.AspNetCore.HttpOverrides.IPNetwork;
+#endif
 
 namespace Newtonsoft.Json
 {
@@ -10,24 +15,22 @@ namespace Newtonsoft.Json
 	/// Converts an <see cref="IPNetwork"/> from and to JSON.
 	/// </summary>
 	[System.Diagnostics.CodeAnalysis.ExcludeFromCodeCoverage]
-	public class IPNetworkConverter : JsonConverter
+	public class IpNetworkConverter : JsonConverter
 	{
 		/// <summary>
 		/// List of known types to use this converver.
 		/// </summary>
-		public static readonly Type[] KnownTypes = new[]
+		public static readonly Type[] KnownTypes =
-		{
+		[
 			typeof(IPNetwork),
 			typeof(IPNetwork[]),
 			typeof(List<IPNetwork>),
 			typeof(IEnumerable<IPNetwork>)
-		};
+		];
 
 		/// <inheritdoc/>
 		public override bool CanConvert(Type objectType)
-		{
+			=> KnownTypes.Contains(objectType);
-			return KnownTypes.Contains(objectType);
-		}
 
 		/// <inheritdoc/>
 		public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
@@ -40,7 +43,7 @@ namespace Newtonsoft.Json
 			if (typeof(IPNetwork) == objectType)
 				return Parse(str);
 
-			var networks = str.Split(';').Select(s => Parse(s));
+			var networks = str.Split(';').Select(Parse);
 
 			if (typeof(IPNetwork[]) == objectType)
 				return networks.ToArray();
@@ -65,23 +68,27 @@ namespace Newtonsoft.Json
 				str = ToString(net);
 
 			if (value is IPNetwork[] netArray)
-				str = string.Join(";", netArray.Select(n => ToString(n)));
+				str = string.Join(";", netArray.Select(ToString));
 
 			if (value is List<IPNetwork> netList)
-				str = string.Join(";", netList.Select(n => ToString(n)));
+				str = string.Join(";", netList.Select(ToString));
 
 			if (value is IEnumerable<IPNetwork> netEnum)
-				str = string.Join(";", netEnum.Select(n => ToString(n)));
+				str = string.Join(";", netEnum.Select(ToString));
 
 			writer.WriteValue(str);
 		}
 
-		private string ToString(IPNetwork net)
+		private static string ToString(IPNetwork net)
 		{
+#if NET8_0_OR_GREATER
+			return $"{net.BaseAddress}/{net.PrefixLength}";
+#else
 			return $"{net.Prefix}/{net.PrefixLength}";
+#endif
 		}
 
-		private IPNetwork Parse(string str)
+		private static IPNetwork Parse(string str)
 		{
 			string[] parts = str.Split('/');
 			var prefix = IPAddress.Parse(parts.First());

AMWD.Common/Extensions/DateTimeExtensions.cs

@@ -1,7 +1,5 @@
 using System.Text;
 
-[assembly: System.Runtime.CompilerServices.InternalsVisibleTo("UnitTests")]
-
 namespace System
 {
 	/// <summary>

AMWD.Common/Extensions/EnumExtensions.cs

@@ -1,6 +1,5 @@
 using System.Collections.Generic;
 using System.ComponentModel;
-using System.ComponentModel.DataAnnotations;
 using System.Linq;
 
 namespace System
@@ -41,13 +40,5 @@ namespace System
 		/// <returns>The description or the string representation of the value.</returns>
 		public static string GetDescription(this Enum value)
 			=> value.GetAttribute<DescriptionAttribute>()?.Description ?? value.ToString();
-
-		/// <summary>
-		/// Returns the name from <see cref="DisplayAttribute"/>.
-		/// </summary>
-		/// <param name="value">The enum value.</param>
-		/// <returns>The display name or the string representation of the value.</returns>
-		public static string GetDisplayName(this Enum value)
-			=> value.GetAttribute<DisplayAttribute>()?.Name ?? value.ToString();
 	}
 }

AMWD.Common/Extensions/ReaderWriterLockSlimExtensions.cs

@@ -56,16 +56,11 @@
 			return new DisposableReadWriteLock(rwLock, LockMode.Write);
 		}
 
-		private struct DisposableReadWriteLock : IDisposable
+		private struct DisposableReadWriteLock(ReaderWriterLockSlim rwLock, LockMode lockMode)
+			: IDisposable
 		{
-			private readonly ReaderWriterLockSlim _rwLock;
+			private readonly ReaderWriterLockSlim _rwLock = rwLock;
-			private LockMode _lockMode;
+			private LockMode _lockMode = lockMode;
-
-			public DisposableReadWriteLock(ReaderWriterLockSlim rwLock, LockMode lockMode)
-			{
-				_rwLock = rwLock;
-				_lockMode = lockMode;
-			}
 
 			public void Dispose()
 			{

AMWD.Common/Extensions/StreamExtensions.cs

@@ -40,7 +40,7 @@ namespace System.IO
 			}
 			while (ch != eol);
 
-			return encoding.GetString(bytes.ToArray()).Trim();
+			return encoding.GetString([.. bytes]).Trim();
 		}
 
 		/// <summary>
@@ -73,7 +73,7 @@ namespace System.IO
 			}
 			while (ch != eol);
 
-			return encoding.GetString(bytes.ToArray()).Trim();
+			return encoding.GetString([.. bytes]).Trim();
 		}
 	}
 }

AMWD.Common/Extensions/StringExtensions.cs

@@ -15,7 +15,12 @@ namespace System
 	/// <summary>
 	/// String extensions.
 	/// </summary>
+#if NET8_0_OR_GREATER
+	public static partial class StringExtensions
+#else
+
 	public static class StringExtensions
+#endif
 	{
 		/// <summary>
 		/// Converts a hex string into a byte array.
@@ -32,8 +37,13 @@ namespace System
 			if (str.Length % 2 == 1)
 				yield break;
 
+#if NET8_0_OR_GREATER
+			if (InvalidHexCharRegex().IsMatch(str))
+				yield break;
+#else
 			if (Regex.IsMatch(str, "[^0-9a-fA-F]"))
 				yield break;
+#endif
 
 			for (int i = 0; i < str.Length; i += 2)
 				yield return Convert.ToByte(str.Substring(i, 2), 16);
@@ -179,14 +189,14 @@ namespace System
 				{
 					var dnsClientType = Type.GetType("DNS.Client.DnsClient, DNS") ?? throw new DllNotFoundException("The DNS NuGet package is required: https://www.nuget.org/packages/DNS/7.0.0");
 					var recordTypeType = Type.GetType("DNS.Protocol.RecordType, DNS");
-					var resolveMethodInfo = dnsClientType.GetMethod("Resolve", new[] { typeof(string), recordTypeType, typeof(CancellationToken) });
+					var resolveMethodInfo = dnsClientType.GetMethod("Resolve", [typeof(string), recordTypeType, typeof(CancellationToken)]);
 
 					bool exists = false;
 					foreach (var nameserver in nameservers)
 					{
-						object dnsClient = Activator.CreateInstance(dnsClientType, new object[] { nameserver });
+						object dnsClient = Activator.CreateInstance(dnsClientType, [nameserver]);
 
-						var waitTask = Task.Run(async () => await resolveMethodInfo.InvokeAsync<object>(dnsClient, new object[] { mailAddress.Host, 15, CancellationToken.None })); // 15 = MX Record
+						var waitTask = Task.Run(async () => await resolveMethodInfo.InvokeAsync<object>(dnsClient, [mailAddress.Host, 15, CancellationToken.None])); // 15 = MX Record
 						waitTask.Wait();
 
 						object response = waitTask.Result;
@@ -232,5 +242,10 @@ namespace System
 		/// <returns></returns>
 		public static StringBuilder AppendLine(this StringBuilder sb, string value, string newLine)
 			=> sb.Append(value).Append(newLine);
+
+#if NET8_0_OR_GREATER
+		[GeneratedRegex("[^0-9a-fA-F]")]
+		private static partial Regex InvalidHexCharRegex();
+#endif
 	}
 }

AMWD.Common/Logging/FileLogger.cs

@@ -6,8 +6,6 @@ using System.Threading;
 using System.Threading.Tasks;
 using Microsoft.Extensions.Logging;
 
-[assembly: System.Runtime.CompilerServices.InternalsVisibleTo("UnitTests")]
-
 namespace AMWD.Common.Logging
 {
 	/// <summary>

AMWD.Common/Packing/Ar/ArFileInfo.cs

@@ -0,0 +1,51 @@
+using System;
+
+namespace AMWD.Common.Packing.Ar
+{
+	/// <summary>
+	/// Represents the file information saved in the archive.
+	/// </summary>
+	[System.Diagnostics.CodeAnalysis.ExcludeFromCodeCoverage]
+	public class ArFileInfo
+	{
+		/// <summary>
+		/// Gets or sets the file name.
+		/// </summary>
+		public string FileName { get; set; }
+
+		/// <summary>
+		/// Gets or sets the file size in bytes.
+		/// </summary>
+		public long FileSize { get; set; }
+
+		/// <summary>
+		/// Gets or sets the timestamp of the last modification.
+		/// </summary>
+		public DateTime ModifyTime { get; set; }
+
+		/// <summary>
+		/// Gets or sets the user id.
+		/// </summary>
+		public int UserId { get; set; }
+
+		/// <summary>
+		/// Gets or sets the group id.
+		/// </summary>
+		public int GroupId { get; set; }
+
+		/// <summary>
+		/// Gets or sets the access mode in decimal (not octal!).
+		/// </summary>
+		/// <remarks>
+		/// To see the octal representation use <c>Convert.ToString(Mode, 8)</c>.
+		/// </remarks>
+		public int Mode { get; set; }
+	}
+
+	internal class ArFileInfoExtended : ArFileInfo
+	{
+		public long HeaderPosition { get; set; }
+
+		public long DataPosition { get; set; }
+	}
+}

AMWD.Common/Packing/Ar/ArReader.cs

@@ -0,0 +1,176 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text;
+
+namespace AMWD.Common.Packing.Ar
+{
+	/// <summary>
+	/// Reads UNIX ar (archive) files in the GNU format.
+	/// </summary>
+	public class ArReader
+	{
+		// Source: http://en.wikipedia.org/wiki/Ar_%28Unix%29
+
+		private readonly Stream _inStream;
+		private readonly List<ArFileInfoExtended> _files = new();
+		private readonly long _streamStartPosition;
+
+		/// <summary>
+		/// Initializes a new instance of the <see cref="ArReader"/> class.
+		/// </summary>
+		/// <param name="inStream">The stream to read the archive from.</param>
+		public ArReader(Stream inStream)
+		{
+			if (!inStream.CanRead || !inStream.CanSeek)
+				throw new ArgumentException("Stream not readable or seekable", nameof(inStream));
+
+			_streamStartPosition = inStream.Position;
+			_inStream = inStream;
+
+			Initialize();
+		}
+
+		/// <summary>
+		/// Returns a list with all filenames of the archive.
+		/// </summary>
+		public IEnumerable<string> GetFileList()
+			=> _files.Select(fi => fi.FileName).ToList();
+
+		/// <summary>
+		/// Returns the file info of a specific file in the archive.
+		/// </summary>
+		/// <param name="fileName">The name of the specific file.</param>
+		public ArFileInfo GetFileInfo(string fileName)
+		{
+			return _files
+				.Where(fi => fi.FileName == fileName)
+				.Select(fi => new ArFileInfo
+				{
+					FileName = fi.FileName,
+					FileSize = fi.FileSize,
+					GroupId = fi.GroupId,
+					Mode = fi.Mode,
+					ModifyTime = fi.ModifyTime,
+					UserId = fi.UserId
+				})
+				.FirstOrDefault();
+		}
+
+		/// <summary>
+		/// Reads a file from the archive into a stream.
+		/// </summary>
+		/// <param name="fileName">The file name in the archive.</param>
+		/// <param name="outStream">The output stream.</param>
+		public void ReadFile(string fileName, Stream outStream)
+		{
+			if (!outStream.CanWrite)
+				throw new ArgumentException("Stream not writable", nameof(outStream));
+
+			var info = _files.Where(fi => fi.FileName == fileName).FirstOrDefault();
+			if (info == null)
+				return;
+
+			long bytesToRead = info.FileSize;
+			byte[] buffer = new byte[1024 * 1024];
+
+			_inStream.Seek(info.DataPosition, SeekOrigin.Begin);
+			while (bytesToRead > 0)
+			{
+				int readCount = (int)Math.Min(bytesToRead, buffer.Length);
+				_inStream.Read(buffer, 0, readCount);
+				outStream.Write(buffer, 0, readCount);
+
+				bytesToRead -= readCount;
+			}
+			_inStream.Seek(_streamStartPosition, SeekOrigin.Begin);
+		}
+
+		/// <summary>
+		/// Reads a fie from the archive and saves it to disk.
+		/// </summary>
+		/// <param name="fileName">The file name in the archive.</param>
+		/// <param name="destinationPath">The destination path on disk.</param>
+		public void ReadFile(string fileName, string destinationPath)
+		{
+			var info = _files.Where(fi => fi.FileName == fileName).FirstOrDefault();
+			if (info == null)
+				return;
+
+			using (var fs = File.OpenWrite(destinationPath))
+			{
+				ReadFile(fileName, fs);
+			}
+			File.SetLastWriteTimeUtc(destinationPath, info.ModifyTime);
+		}
+
+		private void Initialize()
+		{
+			// Reset stream
+			_inStream.Seek(_streamStartPosition, SeekOrigin.Begin);
+
+			// Read header
+			string header = ReadAsciiString(8);
+			if (header != "!<arch>\n")
+				throw new FormatException("The file stream is no archive");
+
+			// Create file list
+			while (_inStream.Position < _inStream.Length)
+			{
+				var info = ReadFileHeader();
+				_files.Add(info);
+
+				// Move stream behind file content
+				_inStream.Seek(info.FileSize, SeekOrigin.Current);
+
+				// Align to even offsets (padded with LF bytes)
+				if (_inStream.Position % 2 != 0)
+					_inStream.Seek(1, SeekOrigin.Current);
+			}
+
+			// Reset stream
+			_inStream.Seek(_streamStartPosition, SeekOrigin.Begin);
+		}
+
+		private string ReadAsciiString(int byteCount)
+		{
+			byte[] buffer = new byte[byteCount];
+			_inStream.Read(buffer, 0, byteCount);
+			return Encoding.ASCII.GetString(buffer);
+		}
+
+		private ArFileInfoExtended ReadFileHeader()
+		{
+			long startPosition = _inStream.Position;
+
+			string fileName = ReadAsciiString(16).Trim();
+
+			int.TryParse(ReadAsciiString(12).Trim(), out int unixTimestamp);
+			int.TryParse(ReadAsciiString(6).Trim(), out int userId);
+			int.TryParse(ReadAsciiString(6).Trim(), out int groupId);
+			int mode = Convert.ToInt32(ReadAsciiString(8).Trim(), 8);
+
+			long.TryParse(ReadAsciiString(10).Trim(), out long fileSize);
+
+			// file magic
+			byte[] magic = new byte[2];
+			_inStream.Read(magic, 0, magic.Length);
+
+			if (magic[0] != 0x60 || magic[1] != 0x0A) // `\n
+				throw new FormatException("Invalid file magic");
+
+			return new ArFileInfoExtended
+			{
+				HeaderPosition = startPosition,
+				DataPosition = _inStream.Position,
+				FileName = fileName,
+				ModifyTime = DateTimeOffset.FromUnixTimeSeconds(unixTimestamp).DateTime,
+				UserId = userId,
+				GroupId = groupId,
+				Mode = mode,
+				FileSize = fileSize
+			};
+		}
+	}
+}

AMWD.Common/Packing/Ar/ArWriter.cs

@@ -0,0 +1,146 @@
+using System;
+using System.IO;
+using System.Text;
+
+namespace AMWD.Common.Packing.Ar
+{
+	/// <summary>
+	/// Writes UNIX ar (archive) files in the GNU format.
+	/// </summary>
+	/// <remarks>
+	/// Copied from: <see href="https://github.com/ygoe/DotnetMakeDeb/blob/v1.1.0/DotnetMakeDeb/Ar/ArWriter.cs">DotnetMakeDeb</see>
+	/// </remarks>
+	public class ArWriter
+	{
+		// Source: http://en.wikipedia.org/wiki/Ar_%28Unix%29
+
+		private readonly Stream _outStream;
+
+		/// <summary>
+		/// Initialises a new instance of the <see cref="ArWriter"/> class.
+		/// </summary>
+		/// <param name="outStream">The stream to write the archive to.</param>
+		public ArWriter(Stream outStream)
+		{
+			if (!outStream.CanWrite)
+				throw new ArgumentException("Stream not writable", nameof(outStream));
+
+			_outStream = outStream;
+			Initialize();
+		}
+
+		/// <summary>
+		/// Writes a file from disk to the archive.
+		/// </summary>
+		/// <param name="fileName">The name of the file to copy.</param>
+		/// <param name="userId">The user ID of the file in the archive.</param>
+		/// <param name="groupId">The group ID of the file in the archive.</param>
+		/// <param name="mode">The mode of the file in the archive (decimal).</param>
+		public void WriteFile(string fileName, int userId = 0, int groupId = 0, int mode = 33188 /* 0100644 */)
+		{
+			var fi = new FileInfo(fileName);
+
+			using var fs = File.OpenRead(fileName);
+			WriteFile(fs, fi.Name, fi.LastWriteTimeUtc, userId, groupId, mode);
+		}
+
+		/// <summary>
+		/// Writes a file from a Stream to the archive.
+		/// </summary>
+		/// <param name="stream">The stream to read the file contents from.</param>
+		/// <param name="fileName">The name of the file in the archive.</param>
+		/// <param name="modifyTime">The last modification time of the file in the archive.</param>
+		/// <param name="userId">The user ID of the file in the archive.</param>
+		/// <param name="groupId">The group ID of the file in the archive.</param>
+		/// <param name="mode">The mode of the file in the archive (decimal).</param>
+		public void WriteFile(Stream stream, string fileName, DateTime modifyTime, int userId = 0, int groupId = 0, int mode = 33188 /* 0100644 */)
+		{
+			// Write file header
+			WriteFileHeader(fileName, modifyTime, userId, groupId, mode, stream.Length);
+
+			// Write file contents
+			stream.CopyTo(_outStream);
+
+			// Align to even offsets, pad with LF bytes
+			if ((_outStream.Position % 2) != 0)
+			{
+				byte[] bytes = new byte[] { 0x0A };
+				_outStream.Write(bytes, 0, 1);
+			}
+		}
+
+		/// <summary>
+		/// Writes the archive header.
+		/// </summary>
+		private void Initialize()
+		{
+			WriteAsciiString("!<arch>\n");
+		}
+
+		/// <summary>
+		/// Writes a file header.
+		/// </summary>
+		private void WriteFileHeader(string fileName, DateTime modifyTime, int userId, int groupId, int mode, long fileSize)
+		{
+			// File name
+			if (fileName.Length > 16)
+				throw new ArgumentException("Long file names are not supported.");
+
+			WriteAsciiString(fileName.PadRight(16, ' '));
+
+			// File modification timestamp
+			long unixTime = ((DateTimeOffset)DateTime.SpecifyKind(modifyTime, DateTimeKind.Utc)).ToUnixTimeSeconds();
+			WriteAsciiString(unixTime.ToString().PadRight(12, ' '));
+
+			// User ID
+			if (userId >= 0)
+			{
+				WriteAsciiString(userId.ToString().PadRight(6, ' '));
+			}
+			else
+			{
+				WriteAsciiString("      ");
+			}
+
+			// Group ID
+			if (groupId >= 0)
+			{
+				WriteAsciiString(groupId.ToString().PadRight(6, ' '));
+			}
+			else
+			{
+				WriteAsciiString("      ");
+			}
+
+			// File mode
+			if (mode >= 0)
+			{
+				WriteAsciiString(Convert.ToString(mode, 8).PadRight(8, ' '));
+			}
+			else
+			{
+				WriteAsciiString("        ");
+			}
+
+			// File size in bytes
+			if (fileSize < 0 || 10000000000 <= fileSize)
+				throw new ArgumentOutOfRangeException("Invalid file size."); // above 9.32 GB
+
+			WriteAsciiString(fileSize.ToString().PadRight(10, ' '));
+
+			// File magic
+			byte[] bytes = new byte[] { 0x60, 0x0A };
+			_outStream.Write(bytes, 0, 2);
+		}
+
+		/// <summary>
+		/// Writes a string using ASCII encoding.
+		/// </summary>
+		/// <param name="str">The string to write to the output stream.</param>
+		private void WriteAsciiString(string str)
+		{
+			byte[] bytes = Encoding.ASCII.GetBytes(str);
+			_outStream.Write(bytes, 0, bytes.Length);
+		}
+	}
+}

AMWD.Common/Packing/Tar/Interfaces/IArchiveDataWriter.cs

@@ -0,0 +1,26 @@
+namespace AMWD.Common.Packing.Tar.Interfaces
+{
+	/// <summary>
+	/// Interface of a archive writer.
+	/// </summary>
+	public interface IArchiveDataWriter
+	{
+		/// <summary>
+		/// Write <paramref name="count"/> bytes of data from <paramref name="buffer"/> to corresponding archive.
+		/// </summary>
+		/// <param name="buffer">The data storage.</param>
+		/// <param name="count">How many bytes to be written to the corresponding archive.</param>
+		int Write(byte[] buffer, int count);
+
+		/// <summary>
+		/// Gets a value indicating whether the writer can write.
+		/// </summary>
+		bool CanWrite { get; }
+	}
+
+	/// <summary>
+	/// The writer delegate.
+	/// </summary>
+	/// <param name="writer">The writer.</param>
+	public delegate void WriteDataDelegate(IArchiveDataWriter writer);
+}

AMWD.Common/Packing/Tar/Interfaces/ITarHeader.cs

@@ -0,0 +1,125 @@
+using System;
+using AMWD.Common.Packing.Tar.Utils;
+
+namespace AMWD.Common.Packing.Tar.Interfaces
+{
+	/// <summary>
+	/// See "struct star_header" in <a href="https://www.gnu.org/software/tar/manual/html_node/Standard.html" />
+	/// </summary>
+	public interface ITarHeader
+	{
+		/// <summary>
+		/// The name field is the file name of the file, with directory names (if any) preceding the file name,
+		/// separated by slashes.
+		/// </summary>
+		/// <remarks>
+		/// <c>name</c>
+		/// <br/>
+		/// Byte offset: <c>0</c>
+		/// </remarks>
+		string FileName { get; set; }
+
+		/// <summary>
+		/// The mode field provides nine bits specifying file permissions and three bits to specify
+		/// the Set UID, Set GID, and Save Text (sticky) modes.
+		/// When special permissions are required to create a file with a given mode,
+		/// and the user restoring files from the archive does not hold such permissions,
+		/// the mode bit(s) specifying those special permissions are ignored.
+		/// Modes which are not supported by the operating system restoring files from the archive will be ignored.
+		/// Unsupported modes should be faked up when creating or updating an archive; e.g.,
+		/// the group permission could be copied from the other permission.
+		/// </summary>
+		/// <remarks>
+		/// <c>mode</c>
+		/// <br/>
+		/// Byte offset: <c>100</c>
+		/// </remarks>
+		int Mode { get; set; }
+
+		/// <summary>
+		/// The uid field is the numeric user ID of the file owners.
+		/// If the operating system does not support numeric user ID, this field should be ignored.
+		/// </summary>
+		/// <remarks>
+		/// <c>uid</c>
+		/// <br/>
+		/// Byte offset: <c>108</c>
+		/// </remarks>
+		int UserId { get; set; }
+
+		/// <summary>
+		/// The gid fields is the numeric group ID of the file owners.
+		/// If the operating system does not support numeric group ID, this field should be ignored.
+		/// </summary>
+		/// <remarks>
+		/// <c>gid</c>
+		/// <br/>
+		/// Byte offset: <c>116</c>
+		/// </remarks>
+		int GroupId { get; set; }
+
+		/// <summary>
+		/// The size field is the size of the file in bytes;
+		/// linked files are archived with this field specified as zero.
+		/// </summary>
+		/// <remarks>
+		/// <c>size</c>
+		/// <br/>
+		/// Byte offset: <c>124</c>
+		/// </remarks>
+		long SizeInBytes { get; set; }
+
+		/// <summary>
+		/// <para>mtime</para>
+		/// <para>byte offset: 136</para>
+		/// The mtime field represents the data modification time of the file at the time it was archived.
+		/// It represents the integer number of seconds since January 1, 1970, 00:00 Coordinated Universal Time.
+		/// </summary>
+		/// <remarks>
+		/// <c>mtime</c>
+		/// <br/>
+		/// Byte offset: <c>136</c>
+		/// </remarks>
+		DateTime LastModification { get; set; }
+
+		/// <summary>
+		/// The typeflag field specifies the type of file archived.
+		/// If a particular implementation does not recognize or permit the specified type,
+		/// the file will be extracted as if it were a regular file.
+		/// As this action occurs, tar issues a warning to the standard error.
+		/// </summary>
+		/// <remarks>
+		/// <c>typeflag</c>
+		/// <br/>
+		/// Byte offset: <c>156</c>
+		/// </remarks>
+		EntryType EntryType { get; set; }
+
+		/// <summary>
+		/// The uname field will contain the ASCII representation of the owner of the file.
+		/// If found, the user ID is used rather than the value in the uid field.
+		/// </summary>
+		/// <remarks>
+		/// <c>uname</c>
+		/// <br/>
+		/// Byte offset: <c>265</c>
+		/// </remarks>
+		string UserName { get; set; }
+
+		/// <summary>
+		/// The gname field will contain the ASCII representation of the group of the file.
+		/// If found, the group ID is used rather than the values in the gid field.
+		/// </summary>
+		/// <remarks>
+		/// <c>gname</c>
+		/// <br/>
+		/// Byte offset: <c>297</c>
+		/// </remarks>
+		string GroupName { get; set; }
+
+		/// <summary>
+		/// The size of this header.
+		/// </summary>
+		int HeaderSize { get; }
+	}
+}

AMWD.Common/Packing/Tar/TarReader.cs

@@ -0,0 +1,205 @@
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.IO;
+using AMWD.Common.Packing.Tar.Interfaces;
+using AMWD.Common.Packing.Tar.Utils;
+
+namespace AMWD.Common.Packing.Tar
+{
+	/// <summary>
+	/// Extract contents of a tar file represented by a stream for the TarReader constructor.
+	/// </summary>
+	/// <remarks>
+	/// Constructs TarReader object to read data from `tarredData` stream.
+	/// <br />
+	/// Copied from: <see href="https://github.com/ygoe/DotnetMakeDeb/blob/v1.1.0/DotnetMakeDeb/Tar/TarReader.cs">DotnetMakeDeb</see>
+	/// </remarks>
+	/// <param name="tarredData">A stream to read tar archive from</param>
+	public class TarReader(Stream tarredData)
+	{
+		private readonly byte[] _dataBuffer = new byte[512];
+		private readonly UsTarHeader _header = new();
+		private readonly Stream _inStream = tarredData;
+		private long _remainingBytesInFile;
+
+		/// <summary>
+		/// Gets the file info (the header).
+		/// </summary>
+		public ITarHeader FileInfo => _header;
+
+		/// <summary>
+		/// Read all files from an archive to a directory. It creates some child directories to
+		/// reproduce a file structure from the archive.
+		/// </summary>
+		/// <param name="destDirectory">The out directory.</param>
+		///
+		/// CAUTION! This method is not safe. It's not tar-bomb proof.
+		/// {see http://en.wikipedia.org/wiki/Tar_(file_format) }
+		/// If you are not sure about the source of an archive you extracting,
+		/// then use MoveNext and Read and handle paths like ".." and "../.." according
+		/// to your business logic.
+		public void ReadToEnd(string destDirectory)
+		{
+			while (MoveNext(skipData: false))
+			{
+				string fileNameFromArchive = FileInfo.FileName;
+				string totalPath = destDirectory + Path.DirectorySeparatorChar + fileNameFromArchive;
+				if (UsTarHeader.IsPathSeparator(fileNameFromArchive[fileNameFromArchive.Length - 1]) || FileInfo.EntryType == EntryType.Directory)
+				{
+					// Record is a directory
+					Directory.CreateDirectory(totalPath);
+					continue;
+				}
+
+				// If record is a file
+				string fileName = Path.GetFileName(totalPath);
+				string directory = totalPath.Remove(totalPath.Length - fileName.Length);
+				Directory.CreateDirectory(directory);
+
+				using FileStream file = File.Create(totalPath);
+				Read(file);
+			}
+		}
+
+		/// <summary>
+		/// Read data from the current archive to a Stream.
+		/// </summary>
+		/// <param name="dataDestanation">A stream to read data to</param>
+		/// <seealso cref="MoveNext"/>
+		public void Read(Stream dataDestanation)
+		{
+			Debug.WriteLine("tar stream position Read in: " + _inStream.Position);
+
+			int readBytes;
+			while ((readBytes = Read(out byte[] read)) != -1)
+			{
+				Debug.WriteLine("tar stream position Read while(...) : " + _inStream.Position);
+				dataDestanation.Write(read, 0, readBytes);
+			}
+
+			Debug.WriteLine("tar stream position Read out: " + _inStream.Position);
+		}
+
+		/// <summary>
+		/// Reads data from the current archive to a buffer array.
+		/// </summary>
+		/// <param name="buffer">The buffer array.</param>
+		/// <returns>The nuber of bytes read.</returns>
+		protected int Read(out byte[] buffer)
+		{
+			if (_remainingBytesInFile == 0)
+			{
+				buffer = null;
+				return -1;
+			}
+
+			int align512 = -1;
+			long toRead = _remainingBytesInFile - 512;
+
+			if (toRead > 0)
+			{
+				toRead = 512;
+			}
+			else
+			{
+				align512 = 512 - (int)_remainingBytesInFile;
+				toRead = _remainingBytesInFile;
+			}
+
+			int bytesRead = _inStream.Read(_dataBuffer, 0, (int)toRead);
+			_remainingBytesInFile -= bytesRead;
+
+			if (_inStream.CanSeek && align512 > 0)
+			{
+				_inStream.Seek(align512, SeekOrigin.Current);
+			}
+			else
+				while (align512 > 0)
+				{
+					_inStream.ReadByte();
+					--align512;
+				}
+
+			buffer = _dataBuffer;
+			return bytesRead;
+		}
+
+		/// <summary>
+		/// Check if all bytes in buffer are zeroes
+		/// </summary>
+		/// <param name="buffer">buffer to check</param>
+		/// <returns>true if all bytes are zeroes, otherwise false</returns>
+		private static bool IsEmpty(IEnumerable<byte> buffer)
+		{
+			foreach (byte b in buffer)
+			{
+				if (b != 0)
+					return false;
+			}
+			return true;
+		}
+
+		/// <summary>
+		/// Move internal pointer to a next file in archive.
+		/// </summary>
+		/// <param name="skipData">Should be true if you want to read a header only, otherwise false</param>
+		/// <returns>false on End Of File otherwise true</returns>
+		///
+		/// Example:
+		/// while(MoveNext())
+		/// {
+		///     Read(dataDestStream);
+		/// }
+		/// <seealso cref="Read(Stream)"/>
+		public bool MoveNext(bool skipData)
+		{
+			Debug.WriteLine("tar stream position MoveNext in: " + _inStream.Position);
+			if (_remainingBytesInFile > 0)
+			{
+				if (!skipData)
+				{
+					throw new TarException(
+						"You are trying to change file while not all the data from the previous one was read. If you do want to skip files use skipData parameter set to true.");
+				}
+
+				// Skip to the end of file.
+				if (_inStream.CanSeek)
+				{
+					long remainer = _remainingBytesInFile % 512;
+					_inStream.Seek(_remainingBytesInFile + (512 - (remainer == 0 ? 512 : remainer)), SeekOrigin.Current);
+				}
+				else
+				{
+					while (Read(out _) != -1) ;
+				}
+			}
+
+			byte[] bytes = _header.GetBytes();
+
+			int headerRead = _inStream.Read(bytes, 0, _header.HeaderSize);
+			if (headerRead < 512)
+				throw new TarException("Can not read header");
+
+			if (IsEmpty(bytes))
+			{
+				headerRead = _inStream.Read(bytes, 0, _header.HeaderSize);
+				if (headerRead == 512 && IsEmpty(bytes))
+				{
+					Debug.WriteLine("tar stream position MoveNext  out(false): " + _inStream.Position);
+					return false;
+				}
+				throw new TarException("Broken archive");
+			}
+
+			if (_header.UpdateHeaderFromBytes())
+			{
+				throw new TarException("Checksum check failed");
+			}
+
+			_remainingBytesInFile = _header.SizeInBytes;
+
+			Debug.WriteLine("tar stream position MoveNext  out(true): " + _inStream.Position);
+			return true;
+		}
+	}
+}

AMWD.Common/Packing/Tar/TarWriter.cs

@@ -0,0 +1,113 @@
+using System;
+using System.IO;
+using AMWD.Common.Packing.Tar.Interfaces;
+using AMWD.Common.Packing.Tar.Utils;
+
+namespace AMWD.Common.Packing.Tar
+{
+	/// <summary>
+	/// Writes a tar (see GNU tar) archive to a stream.
+	/// </summary>
+	/// <remarks>
+	/// Copied from: <see href="https://github.com/ygoe/DotnetMakeDeb/blob/v1.1.0/DotnetMakeDeb/Tar/TarWriter.cs">DotnetMakeDeb</see>
+	/// </remarks>
+	public class TarWriter : LegacyTarWriter
+	{
+		/// <summary>
+		/// Initilizes a new instance of the <see cref="TarWriter"/> class.
+		/// </summary>
+		/// <param name="outStream">The stream to write the archive to.</param>
+		public TarWriter(Stream outStream)
+			: base(outStream)
+		{ }
+
+		/// <summary>
+		/// Writes an entry header (file, dir, ...) to the archive.
+		/// </summary>
+		/// <param name="name">The name.</param>
+		/// <param name="lastModificationTime">The last modification time.</param>
+		/// <param name="count">The number of bytes.</param>
+		/// <param name="userId">The user id.</param>
+		/// <param name="groupId">The group id.</param>
+		/// <param name="mode">The access mode.</param>
+		/// <param name="entryType">The entry type.</param>
+		protected override void WriteHeader(string name, DateTime lastModificationTime, long count, int userId, int groupId, int mode, EntryType entryType)
+		{
+			var tarHeader = new UsTarHeader()
+			{
+				FileName = name,
+				Mode = mode,
+				UserId = userId,
+				GroupId = groupId,
+				SizeInBytes = count,
+				LastModification = lastModificationTime,
+				EntryType = entryType,
+				UserName = Convert.ToString(userId, 8),
+				GroupName = Convert.ToString(groupId, 8)
+			};
+			OutStream.Write(tarHeader.GetHeaderValue(), 0, tarHeader.HeaderSize);
+		}
+
+		/// <summary>
+		/// Writes an entry header (file, dir, ...) to the archive.
+		/// Hashes the username and groupname down to a HashCode.
+		/// </summary>
+		/// <param name="name">The name.</param>
+		/// <param name="lastModificationTime">The last modification time.</param>
+		/// <param name="count">The number of bytes.</param>
+		/// <param name="userName">The username.</param>
+		/// <param name="groupName">The group name.</param>
+		/// <param name="mode">The access mode.</param>
+		/// <param name="entryType">The entry type.</param>
+		protected virtual void WriteHeader(string name, DateTime lastModificationTime, long count, string userName, string groupName, int mode, EntryType entryType)
+		{
+			WriteHeader(
+				name: name,
+				lastModificationTime: lastModificationTime,
+				count: count,
+				userId: userName.GetHashCode(),
+				groupId: groupName.GetHashCode(),
+				mode: mode,
+				entryType: entryType);
+		}
+
+		/// <summary>
+		/// Writes a file to the archive.
+		/// </summary>
+		/// <param name="name">The file name.</param>
+		/// <param name="dataSizeInBytes">The filesize in bytes.</param>
+		/// <param name="userName">The username.</param>
+		/// <param name="groupName">The group name.</param>
+		/// <param name="mode">The access mode.</param>
+		/// <param name="lastModificationTime">The last modification time.</param>
+		/// <param name="writeDelegate">The write handle.</param>
+		public virtual void Write(string name, long dataSizeInBytes, string userName, string groupName, int mode, DateTime lastModificationTime, WriteDataDelegate writeDelegate)
+		{
+			var writer = new DataWriter(OutStream, dataSizeInBytes);
+			WriteHeader(name, lastModificationTime, dataSizeInBytes, userName, groupName, mode, EntryType.File);
+			while (writer.CanWrite)
+			{
+				writeDelegate(writer);
+			}
+			AlignTo512(dataSizeInBytes, false);
+		}
+
+		/// <summary>
+		/// Writes a file to the archive.
+		/// </summary>
+		/// <param name="data">The file stream to add to the archive.</param>
+		/// <param name="dataSizeInBytes">The filesize in bytes.</param>
+		/// <param name="fileName">The file name.</param>
+		/// <param name="userId">The user id.</param>
+		/// <param name="groupId">The group id.</param>
+		/// <param name="mode">The access mode.</param>
+		/// <param name="lastModificationTime">The last modification time.</param>
+		public void Write(Stream data, long dataSizeInBytes, string fileName, string userId, string groupId, int mode,
+						  DateTime lastModificationTime)
+		{
+			WriteHeader(fileName, lastModificationTime, dataSizeInBytes, userId, groupId, mode, EntryType.File);
+			WriteContent(dataSizeInBytes, data);
+			AlignTo512(dataSizeInBytes, false);
+		}
+	}
+}

AMWD.Common/Packing/Tar/Utils/DataWriter.cs

@@ -0,0 +1,45 @@
+using System.IO;
+using AMWD.Common.Packing.Tar.Interfaces;
+
+namespace AMWD.Common.Packing.Tar.Utils
+{
+	internal class DataWriter : IArchiveDataWriter
+	{
+		private readonly long _size;
+		private long _remainingBytes;
+		private readonly Stream _stream;
+
+		public DataWriter(Stream data, long dataSizeInBytes)
+		{
+			_size = dataSizeInBytes;
+			_remainingBytes = _size;
+			_stream = data;
+		}
+
+		public bool CanWrite { get; private set; } = true;
+
+		public int Write(byte[] buffer, int count)
+		{
+			if (_remainingBytes == 0)
+			{
+				CanWrite = false;
+				return -1;
+			}
+
+			int bytesToWrite;
+			if (_remainingBytes - count < 0)
+			{
+				bytesToWrite = (int)_remainingBytes;
+			}
+			else
+			{
+				bytesToWrite = count;
+			}
+
+			_stream.Write(buffer, 0, bytesToWrite);
+			_remainingBytes -= bytesToWrite;
+
+			return bytesToWrite;
+		}
+	}
+}

AMWD.Common/Packing/Tar/Utils/EntryType.cs

@@ -0,0 +1,73 @@
+namespace AMWD.Common.Packing.Tar.Utils
+{
+	/// <summary>
+	/// See "Values used in typeflag field." in <a href="https://www.gnu.org/software/tar/manual/html_node/Standard.html" />
+	/// </summary>
+	public enum EntryType : byte
+	{
+		/// <summary>
+		/// AREGTYPE, regular file
+		/// </summary>
+		File = 0,
+
+		/// <summary>
+		/// REGTYPE, regular file
+		/// </summary>
+		FileObsolete = 0x30,
+
+		/// <summary>
+		/// LNKTYPE, link
+		/// </summary>
+		HardLink = 0x31,
+
+		/// <summary>
+		/// SYMTYPE, reserved
+		/// </summary>
+		SymLink = 0x32,
+
+		/// <summary>
+		/// CHRTYPE, character special
+		/// </summary>
+		CharDevice = 0x33,
+
+		/// <summary>
+		/// BLKTYPE, block special
+		/// </summary>
+		BlockDevice = 0x34,
+
+		/// <summary>
+		/// DIRTYPE, directory
+		/// </summary>
+		Directory = 0x35,
+
+		/// <summary>
+		/// FIFOTYPE, FIFO special
+		/// </summary>
+		Fifo = 0x36,
+
+		/// <summary>
+		/// CONTTYPE, reserved
+		/// </summary>
+		Content = 0x37,
+
+		/// <summary>
+		/// XHDTYPE, Extended header referring to the next file in the archive
+		/// </summary>
+		ExtendedHeader = 0x78,
+
+		/// <summary>
+		/// XGLTYPE, Global extended header
+		/// </summary>
+		GlobalExtendedHeader = 0x67,
+
+		/// <summary>
+		/// GNUTYPE_LONGLINK, Identifies the *next* file on the tape as having a long linkname.
+		/// </summary>
+		LongLink = 0x4b,
+
+		/// <summary>
+		/// GNUTYPE_LONGNAME, Identifies the *next* file on the tape as having a long name.
+		/// </summary>
+		LongName = 0x4c
+	}
+}

AMWD.Common/Packing/Tar/Utils/LegacyTarWriter.cs

@@ -0,0 +1,329 @@
+using System;
+using System.IO;
+using System.Text;
+using System.Threading;
+using AMWD.Common.Packing.Tar.Interfaces;
+
+namespace AMWD.Common.Packing.Tar.Utils
+{
+	/// <summary>
+	/// Implements a legacy TAR writer.
+	/// </summary>
+	/// <remarks>
+	/// Writes tar (see GNU tar) archive to a stream
+	/// <br/>
+	/// Copied from: <see href="https://github.com/ygoe/DotnetMakeDeb/blob/v1.1.0/DotnetMakeDeb/Tar/LegacyTarWriter.cs">DotnetMakeDeb</see>
+	/// </remarks>
+	/// <param name="outStream">stream to write archive to</param>
+	public class LegacyTarWriter(Stream outStream) : IDisposable
+	{
+		private readonly Stream _outStream = outStream;
+		private bool _isClosed;
+
+		/// <summary>
+		/// The buffer for writing.
+		/// </summary>
+		protected byte[] buffer = new byte[1024];
+
+		/// <summary>
+		/// Gets or sets a value indicating whether to read on zero.
+		/// </summary>
+		public bool ReadOnZero { get; set; } = true;
+
+		/// <summary>
+		/// Gets the output stream.
+		/// </summary>
+		protected virtual Stream OutStream
+		{
+			get { return _outStream; }
+		}
+
+		#region IDisposable Members
+
+		/// <inheritdoc/>
+		public void Dispose()
+			=> Close();
+
+		#endregion IDisposable Members
+
+		/// <summary>
+		/// Writes a directory entry.
+		/// </summary>
+		/// <param name="path">The path to the directory.</param>
+		/// <param name="userId">The user id.</param>
+		/// <param name="groupId">The group id.</param>
+		/// <param name="mode">The access mode.</param>
+		/// <exception cref="ArgumentNullException"><paramref name="path"/> is not set.</exception>
+		public void WriteDirectoryEntry(string path, int userId, int groupId, int mode)
+		{
+			if (string.IsNullOrEmpty(path))
+				throw new ArgumentNullException(nameof(path), "The path is not set.");
+			if (path[path.Length - 1] != '/')
+				path += '/';
+
+			DateTime lastWriteTime;
+			if (Directory.Exists(path))
+			{
+				lastWriteTime = Directory.GetLastWriteTime(path);
+			}
+			else
+			{
+				lastWriteTime = DateTime.Now;
+			}
+
+			// handle long path names (> 99 characters)
+			if (path.Length > 99)
+			{
+				WriteLongName(
+					name: path,
+					userId: userId,
+					groupId: groupId,
+					mode: mode,
+					lastModificationTime: lastWriteTime);
+
+				// shorten the path name so it can be written properly
+				path = path.Substring(0, 99);
+			}
+
+			WriteHeader(path, lastWriteTime, 0, userId, groupId, mode, EntryType.Directory);
+		}
+
+		/// <summary>
+		/// Writes a directory and its contents.
+		/// </summary>
+		/// <param name="directory">The directory.</param>
+		/// <param name="doRecursive">Write also sub-directories.</param>
+		/// <exception cref="ArgumentNullException"><paramref name="directory"/> is not set.</exception>
+		public void WriteDirectory(string directory, bool doRecursive)
+		{
+			if (string.IsNullOrEmpty(directory))
+				throw new ArgumentNullException(nameof(directory), "The directory is not set.");
+
+			WriteDirectoryEntry(directory, 0, 0, 0755);
+
+			string[] files = Directory.GetFiles(directory);
+			foreach (string fileName in files)
+				Write(fileName);
+
+			string[] directories = Directory.GetDirectories(directory);
+			foreach (string dirName in directories)
+			{
+				WriteDirectoryEntry(dirName, 0, 0, 0755);
+				if (doRecursive)
+					WriteDirectory(dirName, true);
+			}
+		}
+
+		/// <summary>
+		/// Writes a file.
+		/// </summary>
+		/// <param name="fileName">The file.</param>
+		/// <exception cref="ArgumentNullException"><paramref name="fileName"/> is not set.</exception>
+		public void Write(string fileName)
+		{
+			if (string.IsNullOrEmpty(fileName))
+				throw new ArgumentNullException(nameof(fileName), "The file name is not set.");
+
+			using var fileStream = File.OpenRead(fileName);
+			Write(fileStream, fileStream.Length, fileName, 61, 61, 511, File.GetLastWriteTime(fileStream.Name));
+		}
+
+		/// <summary>
+		/// Writes a file stream.
+		/// </summary>
+		/// <param name="file">The file stream.</param>
+		public void Write(FileStream file)
+		{
+			string path = Path.GetFullPath(file.Name).Replace(Path.GetPathRoot(file.Name), string.Empty);
+			path = path.Replace(Path.DirectorySeparatorChar, '/');
+			Write(file, file.Length, path, 61, 61, 511, File.GetLastWriteTime(file.Name));
+		}
+
+		/// <summary>
+		/// Writes a stream.
+		/// </summary>
+		/// <param name="data">The contents.</param>
+		/// <param name="dataSizeInBytes">The file size in bytes.</param>
+		/// <param name="name">The file name.</param>
+		public void Write(Stream data, long dataSizeInBytes, string name)
+			=> Write(data, dataSizeInBytes, name, 61, 61, 511, DateTime.Now);
+
+		/// <summary>
+		/// Writes a file to the archive.
+		/// </summary>
+		/// <param name="name">The file name.</param>
+		/// <param name="dataSizeInBytes">The file size in bytes.</param>
+		/// <param name="userId">The user id.</param>
+		/// <param name="groupId">The group id.</param>
+		/// <param name="mode">The access mode.</param>
+		/// <param name="lastModificationTime">The last modification timestamp.</param>
+		/// <param name="writeDelegate">The <see cref="WriteDataDelegate"/>.</param>
+		public virtual void Write(string name, long dataSizeInBytes, int userId, int groupId, int mode, DateTime lastModificationTime, WriteDataDelegate writeDelegate)
+		{
+			var writer = new DataWriter(OutStream, dataSizeInBytes);
+
+			WriteHeader(name, lastModificationTime, dataSizeInBytes, userId, groupId, mode, EntryType.File);
+
+			while (writer.CanWrite)
+				writeDelegate(writer);
+
+			AlignTo512(dataSizeInBytes, false);
+		}
+
+		/// <summary>
+		/// Writes a stream as file to the archive.
+		/// </summary>
+		/// <param name="data">The content as <see cref="Stream"/>.</param>
+		/// <param name="dataSizeInBytes">The file size in bytes.</param>
+		/// <param name="name">The file name.</param>
+		/// <param name="userId">The user id.</param>
+		/// <param name="groupId">The group id.</param>
+		/// <param name="mode">The access mode.</param>
+		/// <param name="lastModificationTime">The last modification timestamp.</param>
+		/// <exception cref="TarException">This writer is already closed.</exception>
+		public virtual void Write(Stream data, long dataSizeInBytes, string name, int userId, int groupId, int mode, DateTime lastModificationTime)
+		{
+			if (_isClosed)
+				throw new TarException("Can not write to the closed writer");
+
+			// handle long file names (> 99 characters)
+			if (name.Length > 99)
+			{
+				WriteLongName(
+					name: name,
+					userId: userId,
+					groupId: groupId,
+					mode: mode,
+					lastModificationTime: lastModificationTime);
+
+				// shorten the file name so it can be written properly
+				name = name.Substring(0, 99);
+			}
+
+			WriteHeader(name, lastModificationTime, dataSizeInBytes, userId, groupId, mode, EntryType.File);
+			WriteContent(dataSizeInBytes, data);
+			AlignTo512(dataSizeInBytes, false);
+		}
+
+		/// <summary>
+		/// Handle long file or path names (> 99 characters).
+		/// Write header and content, which its content contain the long (complete) file/path name.
+		/// <para>This handling method is adapted from https://github.com/qmfrederik/dotnet-packaging/pull/50/files#diff-f64c58cc18e8e445cee6ffed7a0d765cdb442c0ef21a3ed80bd20514057967b1 </para>
+		/// </summary>
+		/// <param name="name">File name or path name.</param>
+		/// <param name="userId">User ID.</param>
+		/// <param name="groupId">Group ID.</param>
+		/// <param name="mode">Mode.</param>
+		/// <param name="lastModificationTime">Last modification time.</param>
+		private void WriteLongName(string name, int userId, int groupId, int mode, DateTime lastModificationTime)
+		{
+			// must include a trailing \0
+			int nameLength = Encoding.UTF8.GetByteCount(name);
+			byte[] entryName = new byte[nameLength + 1];
+
+			Encoding.UTF8.GetBytes(name, 0, name.Length, entryName, 0);
+
+			// add a "././@LongLink" pseudo-entry which contains the full name
+			using var nameStream = new MemoryStream(entryName);
+			WriteHeader("././@LongLink", lastModificationTime, entryName.Length, userId, groupId, mode, EntryType.LongName);
+			WriteContent(entryName.Length, nameStream);
+			AlignTo512(entryName.Length, false);
+		}
+
+		/// <summary>
+		/// Writes a stream as file to the archive.
+		/// </summary>
+		/// <param name="count">The size of the file in bytes.</param>
+		/// <param name="data">The file content as stream.</param>
+		/// <exception cref="IOException"><paramref name="data"/> has not enough to read from.</exception>
+		protected void WriteContent(long count, Stream data)
+		{
+			while (count > 0 && count > buffer.Length)
+			{
+				int bytesRead = data.Read(buffer, 0, buffer.Length);
+				if (bytesRead < 0)
+					throw new IOException($"{nameof(LegacyTarWriter)} unable to read from provided stream");
+
+				if (bytesRead == 0)
+				{
+					if (ReadOnZero)
+						Thread.Sleep(100);
+					else
+						break;
+				}
+				OutStream.Write(buffer, 0, bytesRead);
+				count -= bytesRead;
+			}
+			if (count > 0)
+			{
+				int bytesRead = data.Read(buffer, 0, (int)count);
+				if (bytesRead < 0)
+					throw new IOException($"{nameof(LegacyTarWriter)} unable to read from provided stream");
+
+				if (bytesRead == 0)
+				{
+					while (count > 0)
+					{
+						OutStream.WriteByte(0);
+						--count;
+					}
+				}
+				else
+					OutStream.Write(buffer, 0, bytesRead);
+			}
+		}
+
+		/// <summary>
+		/// Writes a entry header to the archive.
+		/// </summary>
+		/// <param name="name">The file name.</param>
+		/// <param name="lastModificationTime">The last modification time.</param>
+		/// <param name="count">The number of bytes.</param>
+		/// <param name="userId">The user id.</param>
+		/// <param name="groupId">The group id.</param>
+		/// <param name="mode">The file mode.</param>
+		/// <param name="entryType">The entry type</param>
+		protected virtual void WriteHeader(string name, DateTime lastModificationTime, long count, int userId, int groupId, int mode, EntryType entryType)
+		{
+			var header = new TarHeader
+			{
+				FileName = name,
+				LastModification = lastModificationTime,
+				SizeInBytes = count,
+				UserId = userId,
+				GroupId = groupId,
+				Mode = mode,
+				EntryType = entryType
+			};
+			OutStream.Write(header.GetHeaderValue(), 0, header.HeaderSize);
+		}
+
+		/// <summary>
+		/// Aligns the entry to 512 bytes.
+		/// </summary>
+		public void AlignTo512(long size, bool acceptZero)
+		{
+			size %= 512;
+			if (size == 0 && !acceptZero) return;
+			while (size < 512)
+			{
+				OutStream.WriteByte(0);
+				size++;
+			}
+		}
+
+		/// <summary>
+		/// Closes the writer and aligns to 512 bytes.
+		/// </summary>
+		public virtual void Close()
+		{
+			if (_isClosed)
+				return;
+
+			AlignTo512(0, true);
+			AlignTo512(0, true);
+
+			_isClosed = true;
+		}
+	}
+}

AMWD.Common/Packing/Tar/Utils/TarException.cs

@@ -0,0 +1,52 @@
+using System;
+
+namespace AMWD.Common.Packing.Tar.Utils
+{
+	/// <summary>
+	/// Represents errors that occur during tar archive execution.
+	/// </summary>
+	public class TarException : Exception
+	{
+		/// <summary>
+		/// Initializes a new instance of the <see cref="TarException"/> class.
+		/// </summary>
+		public TarException()
+			: base()
+		{ }
+
+		/// <summary>
+		/// Initializes a new instance of the <see cref="TarException"/> class with a specified
+		/// error message.
+		/// </summary>
+		/// <param name="message">The message that describes the error.</param>
+		public TarException(string message)
+			: base(message)
+		{ }
+
+		/// <summary>
+		/// Initializes a new instance of the System.Exception class with a specified error
+		/// message and a reference to the inner exception that is the cause of this exception.
+		/// </summary>
+		/// <param name="message">The error message that explains the reason for the exception.</param>
+		/// <param name="innerException">The exception that is the cause of the current exception, or a null reference
+		/// if no inner exception is specified.</param>
+		public TarException(string message, Exception innerException)
+			: base(message, innerException)
+		{ }
+
+#if !NET8_0_OR_GREATER
+
+		/// <summary>
+		/// Initializes a new instance of the <see cref="TarException"/> class with serialized data.
+		/// </summary>
+		/// <param name="info">The <see cref="System.Runtime.Serialization.SerializationInfo"/> that holds the serialized
+		/// object data about the exception being thrown.</param>
+		/// <param name="context">The <see cref="System.Runtime.Serialization.StreamingContext"/> that contains contextual information
+		/// about the source or destination.</param>
+		protected TarException(System.Runtime.Serialization.SerializationInfo info, System.Runtime.Serialization.StreamingContext context)
+			: base(info, context)
+		{ }
+
+#endif
+	}
+}

AMWD.Common/Packing/Tar/Utils/TarHeader.cs

@@ -0,0 +1,179 @@
+using System;
+using System.Linq;
+using System.Net;
+using System.Text;
+using AMWD.Common.Packing.Tar.Interfaces;
+
+namespace AMWD.Common.Packing.Tar.Utils
+{
+	internal class TarHeader : ITarHeader
+	{
+		private static readonly byte[] _spaces = Encoding.ASCII.GetBytes("        ");
+		private readonly byte[] _buffer = new byte[512];
+
+		private string _fileName;
+		private long _headerChecksum;
+
+		public TarHeader()
+		{
+			// Default values
+			Mode = 511; // 0777 dec
+			UserId = 61; // 101 dec
+			GroupId = 61; // 101 dec
+		}
+
+		public EntryType EntryType { get; set; }
+
+		public virtual string FileName
+		{
+			get => _fileName.Replace("\0", string.Empty);
+			set
+			{
+				if (value.Length > 100)
+					throw new TarException("A file name can not be more than 100 chars long");
+
+				_fileName = value;
+			}
+		}
+
+		public int Mode { get; set; }
+
+		public string ModeString
+			=> Convert.ToString(Mode, 8).PadLeft(7, '0');
+
+		public int UserId { get; set; }
+
+		public virtual string UserName
+		{
+			get => UserId.ToString();
+			set => UserId = int.Parse(value);
+		}
+
+		public string UserIdString
+			=> Convert.ToString(UserId, 8).PadLeft(7, '0');
+
+		public int GroupId { get; set; }
+
+		public virtual string GroupName
+		{
+			get => GroupId.ToString();
+			set => GroupId = int.Parse(value);
+		}
+
+		public string GroupIdString
+			=> Convert.ToString(GroupId, 8).PadLeft(7, '0');
+
+		public long SizeInBytes { get; set; }
+
+		public string SizeString
+			=> Convert.ToString(SizeInBytes, 8).PadLeft(11, '0');
+
+		public DateTime LastModification { get; set; }
+
+		public string LastModificationString
+		{
+			get
+			{
+				long unixTime = ((DateTimeOffset)DateTime.SpecifyKind(LastModification, DateTimeKind.Utc)).ToUnixTimeSeconds();
+				return Convert.ToString(unixTime, 8).PadLeft(11, '0');
+			}
+		}
+
+		public string HeaderChecksumString
+			=> Convert.ToString(_headerChecksum, 8).PadLeft(6, '0');
+
+		public virtual int HeaderSize => 512;
+
+		public byte[] GetBytes() => _buffer.ToArray();
+
+		public virtual bool UpdateHeaderFromBytes()
+		{
+			FileName = Encoding.ASCII.GetString(_buffer, 0, 100);
+
+			// Thanks to Shasha Alperocivh. Trimming nulls.
+			Mode = Convert.ToInt32(Encoding.ASCII.GetString(_buffer, 100, 7).Trim(), 8);
+			UserId = Convert.ToInt32(Encoding.ASCII.GetString(_buffer, 108, 7).Trim(), 8);
+			GroupId = Convert.ToInt32(Encoding.ASCII.GetString(_buffer, 116, 7).Trim(), 8);
+
+			EntryType = (EntryType)_buffer[156];
+
+			if ((_buffer[124] & 0x80) == 0x80) // if size in binary
+			{
+				long sizeBigEndian = BitConverter.ToInt64(_buffer, 0x80);
+				SizeInBytes = IPAddress.NetworkToHostOrder(sizeBigEndian);
+			}
+			else
+			{
+				SizeInBytes = Convert.ToInt64(Encoding.ASCII.GetString(_buffer, 124, 11), 8);
+			}
+			long unixTimeStamp = Convert.ToInt64(Encoding.ASCII.GetString(_buffer, 136, 11), 8);
+			LastModification = DateTimeOffset.FromUnixTimeSeconds(unixTimeStamp).DateTime;
+
+			int storedChecksum = Convert.ToInt32(Encoding.ASCII.GetString(_buffer, 148, 6));
+			RecalculateChecksum(_buffer);
+			if (storedChecksum == _headerChecksum)
+				return true;
+
+			RecalculateAltChecksum(_buffer);
+			return storedChecksum == _headerChecksum;
+		}
+
+		private void RecalculateAltChecksum(byte[] buf)
+		{
+			_spaces.CopyTo(buf, 148);
+			_headerChecksum = 0;
+			foreach (byte b in buf)
+			{
+				if ((b & 0x80) == 0x80)
+				{
+					_headerChecksum -= b ^ 0x80;
+				}
+				else
+				{
+					_headerChecksum += b;
+				}
+			}
+		}
+
+		public virtual byte[] GetHeaderValue()
+		{
+			// Clean old values
+			Array.Clear(_buffer, 0, _buffer.Length);
+
+			if (string.IsNullOrEmpty(FileName))
+				throw new TarException("FileName can not be empty.");
+
+			if (FileName.Length >= 100)
+				throw new TarException("FileName is too long. It must be less than 100 bytes.");
+
+			// Fill header
+			Encoding.ASCII.GetBytes(FileName.PadRight(100, '\0')).CopyTo(_buffer, 0);
+			Encoding.ASCII.GetBytes(ModeString).CopyTo(_buffer, 100);
+			Encoding.ASCII.GetBytes(UserIdString).CopyTo(_buffer, 108);
+			Encoding.ASCII.GetBytes(GroupIdString).CopyTo(_buffer, 116);
+			Encoding.ASCII.GetBytes(SizeString).CopyTo(_buffer, 124);
+			Encoding.ASCII.GetBytes(LastModificationString).CopyTo(_buffer, 136);
+
+			//            buffer[156] = 20;
+			_buffer[156] = ((byte)EntryType);
+
+			RecalculateChecksum(_buffer);
+
+			// Write checksum
+			Encoding.ASCII.GetBytes(HeaderChecksumString).CopyTo(_buffer, 148);
+
+			return _buffer;
+		}
+
+		protected virtual void RecalculateChecksum(byte[] buf)
+		{
+			// Set default value for checksum. That is 8 spaces.
+			_spaces.CopyTo(buf, 148);
+
+			// Calculate checksum
+			_headerChecksum = 0;
+			foreach (byte b in buf)
+				_headerChecksum += b;
+		}
+	}
+}

AMWD.Common/Packing/Tar/Utils/UsTarHeader.cs

@@ -0,0 +1,127 @@
+using System;
+using System.Net;
+using System.Text;
+
+namespace AMWD.Common.Packing.Tar.Utils
+{
+	/// <summary>
+	/// UsTar header implementation.
+	/// </summary>
+	internal class UsTarHeader : TarHeader
+	{
+		private const string Magic = "ustar";
+		private const string Version = "  ";
+
+		private string _groupName;
+
+		private string _namePrefix = string.Empty;
+		private string _userName;
+
+		public override string UserName
+		{
+			get => _userName.Replace("\0", string.Empty);
+			set
+			{
+				if (value.Length > 32)
+					throw new TarException("user name can not be longer than 32 chars");
+
+				_userName = value;
+			}
+		}
+
+		public override string GroupName
+		{
+			get => _groupName.Replace("\0", string.Empty);
+			set
+			{
+				if (value.Length > 32)
+					throw new TarException("group name can not be longer than 32 chars");
+
+				_groupName = value;
+			}
+		}
+
+		public override string FileName
+		{
+			get => _namePrefix.Replace("\0", string.Empty) + base.FileName.Replace("\0", string.Empty);
+			set
+			{
+				if (value.Length > 100)
+				{
+					if (value.Length > 255)
+						throw new TarException("UsTar fileName can not be longer thatn 255 chars");
+
+					int position = value.Length - 100;
+
+					// Find first path separator in the remaining 100 chars of the file name
+					while (!IsPathSeparator(value[position]))
+					{
+						++position;
+						if (position == value.Length)
+						{
+							break;
+						}
+					}
+					if (position == value.Length)
+						position = value.Length - 100;
+					_namePrefix = value.Substring(0, position);
+
+					base.FileName = value.Substring(position, value.Length - position);
+				}
+				else
+				{
+					base.FileName = value;
+				}
+			}
+		}
+
+		public override bool UpdateHeaderFromBytes()
+		{
+			byte[] bytes = GetBytes();
+
+			UserName = Encoding.ASCII.GetString(bytes, 0x109, 32);
+			GroupName = Encoding.ASCII.GetString(bytes, 0x129, 32);
+			_namePrefix = Encoding.ASCII.GetString(bytes, 347, 157);
+
+			return base.UpdateHeaderFromBytes();
+		}
+
+		internal static bool IsPathSeparator(char ch)
+			=> ch == '\\' || ch == '/' || ch == '|'; // All the path separators I ever met.
+
+		public override byte[] GetHeaderValue()
+		{
+			byte[] header = base.GetHeaderValue();
+
+			Encoding.ASCII.GetBytes(Magic).CopyTo(header, 0x101); // Mark header as ustar
+			Encoding.ASCII.GetBytes(Version).CopyTo(header, 0x106);
+			Encoding.ASCII.GetBytes(UserName).CopyTo(header, 0x109);
+			Encoding.ASCII.GetBytes(GroupName).CopyTo(header, 0x129);
+			Encoding.ASCII.GetBytes(_namePrefix).CopyTo(header, 347);
+
+			if (SizeInBytes >= 0x1FFFFFFFF)
+			{
+				byte[] bytes = BitConverter.GetBytes(IPAddress.HostToNetworkOrder(SizeInBytes));
+				SetMarker(AlignTo12(bytes)).CopyTo(header, 124);
+			}
+
+			RecalculateChecksum(header);
+			Encoding.ASCII.GetBytes(HeaderChecksumString).CopyTo(header, 148);
+
+			return header;
+		}
+
+		private static byte[] SetMarker(byte[] bytes)
+		{
+			bytes[0] |= 0x80;
+			return bytes;
+		}
+
+		private static byte[] AlignTo12(byte[] bytes)
+		{
+			byte[] retVal = new byte[12];
+			bytes.CopyTo(retVal, 12 - bytes.Length);
+			return retVal;
+		}
+	}
+}

AMWD.Common/Utilities/AsyncQueue.cs

@@ -94,7 +94,7 @@ namespace System.Collections.Generic
 		/// Determines whether an element is in the <see cref="AsyncQueue{T}"/>.
 		/// </summary>
 		/// <param name="item">The object to locate in the <see cref="AsyncQueue{T}"/>. The value can be null for reference types.</param>
-		/// <returns>true if item is found in the <see cref="AsyncQueue{T}"/>; otherwise, false.</returns>
+		/// <returns><see langword="true"/> if item is found in the <see cref="AsyncQueue{T}"/>, otherwise <see langword="false"/>.</returns>
 		[ExcludeFromCodeCoverage]
 		public bool Contains(T item)
 		{
@@ -172,7 +172,7 @@ namespace System.Collections.Generic
 		{
 			lock (_queue)
 			{
-				return _queue.ToArray();
+				return [.. _queue];
 			}
 		}
 
@@ -304,7 +304,7 @@ namespace System.Collections.Generic
 		/// Removes the object at the beginning of the <see cref="AsyncQueue{T}"/>, and copies it to the <paramref name="result"/> parameter.
 		/// </summary>
 		/// <param name="result">The removed object.</param>
-		/// <returns>true if the object is successfully removed; false if the <see cref="AsyncQueue{T}"/> is empty.</returns>
+		/// <returns><see langword="true"/> if the object is successfully removed, <see langword="false"/> if the <see cref="AsyncQueue{T}"/> is empty.</returns>
 		public bool TryDequeue(out T result)
 		{
 			try
@@ -325,7 +325,7 @@ namespace System.Collections.Generic
 		/// <paramref name="result"/> parameter. The object is not removed from the <see cref="AsyncQueue{T}"/>.
 		/// </summary>
 		/// <param name="result">If present, the object at the beginning of the <see cref="AsyncQueue{T}"/>; otherwise, the default value of <typeparamref name="T"/>.</param>
-		/// <returns>true if there is an object at the beginning of the <see cref="AsyncQueue{T}"/>; false if the <see cref="AsyncQueue{T}"/> is empty.</returns>
+		/// <returns><see langword="true"/> if there is an object at the beginning of the <see cref="AsyncQueue{T}"/>, <see langword="false"/> if the <see cref="AsyncQueue{T}"/> is empty.</returns>
 		public bool TryPeek(out T result)
 		{
 			try
@@ -344,7 +344,7 @@ namespace System.Collections.Generic
 		/// Removes the first occurrence of a specific object from the <see cref="AsyncQueue{T}"/>.
 		/// </summary>
 		/// <param name="item">The object to remove from the <see cref="AsyncQueue{T}"/>. The value can be null for reference types.</param>
-		/// <returns>true if item is successfully removed; otherwise, false. This method also returns false if item was not found in the <see cref="AsyncQueue{T}"/>.</returns>
+		/// <returns><see langword="true"/> if item is successfully removed, otherwise <see langword="false"/>. This method also returns <see langword="false"/> if item was not found in the <see cref="AsyncQueue{T}"/>.</returns>
 		public bool Remove(T item)
 		{
 			lock (_queue)

AMWD.Common/Utilities/CryptographyHelper.cs

@@ -171,6 +171,7 @@ namespace System.Security.Cryptography
 		#region Static methods
 
 		#region Encryption
+#pragma warning disable SYSLIB0041
 
 		#region AES
 
@@ -185,7 +186,11 @@ namespace System.Security.Cryptography
 			byte[] salt = new byte[_saltLength];
 			Array.Copy(cipher, salt, _saltLength);
 
-			using var gen = new Rfc2898DeriveBytes(password, salt);
+#if NET8_0_OR_GREATER
+			using var gen = new Rfc2898DeriveBytes(password, salt, 1000, HashAlgorithmName.SHA1);
+#else
+			using var gen = new Rfc2898DeriveBytes(password, salt, 1000);
+#endif
 			using var aes = Aes.Create();
 
 			aes.Mode = CipherMode.CBC;
@@ -225,7 +230,11 @@ namespace System.Security.Cryptography
 		{
 			byte[] salt = GetRandomBytes(_saltLength);
 
-			using var gen = new Rfc2898DeriveBytes(password, salt);
+#if NET8_0_OR_GREATER
+			using var gen = new Rfc2898DeriveBytes(password, salt, 1000, HashAlgorithmName.SHA1);
+#else
+			using var gen = new Rfc2898DeriveBytes(password, salt, 1000);
+#endif
 			using var aes = Aes.Create();
 
 			aes.Mode = CipherMode.CBC;
@@ -271,7 +280,11 @@ namespace System.Security.Cryptography
 			byte[] salt = new byte[_saltLength];
 			Array.Copy(cipher, salt, _saltLength);
 
-			using var gen = new Rfc2898DeriveBytes(password, salt);
+#if NET8_0_OR_GREATER
+			using var gen = new Rfc2898DeriveBytes(password, salt, 1000, HashAlgorithmName.SHA1);
+#else
+			using var gen = new Rfc2898DeriveBytes(password, salt, 1000);
+#endif
 			using var tdes = TripleDES.Create();
 
 			tdes.Mode = CipherMode.CBC;
@@ -298,7 +311,11 @@ namespace System.Security.Cryptography
 		{
 			byte[] salt = GetRandomBytes(_saltLength);
 
-			using var gen = new Rfc2898DeriveBytes(password, salt);
+#if NET8_0_OR_GREATER
+			using var gen = new Rfc2898DeriveBytes(password, salt, 1000, HashAlgorithmName.SHA1);
+#else
+			using var gen = new Rfc2898DeriveBytes(password, salt, 1000);
+#endif
 			using var tdes = TripleDES.Create();
 
 			tdes.Mode = CipherMode.CBC;
@@ -344,6 +361,7 @@ namespace System.Security.Cryptography
 
 		#endregion Triple DES
 
+#pragma warning restore SYSLIB0041
 		#endregion Encryption
 
 		#region Hashing
@@ -379,8 +397,12 @@ namespace System.Security.Cryptography
 		/// <returns>The MD5 hash value, in hexadecimal notation.</returns>
 		public static string Md5(byte[] bytes)
 		{
+#if NET8_0_OR_GREATER
+			return MD5.HashData(bytes).BytesToHex();
+#else
 			using var md5 = MD5.Create();
 			return md5.ComputeHash(bytes).BytesToHex();
+#endif
 		}
 
 		#endregion MD5
@@ -416,8 +438,12 @@ namespace System.Security.Cryptography
 		/// <returns>The SHA-1 hash value, in hexadecimal notation.</returns>
 		public static string Sha1(byte[] bytes)
 		{
+#if NET8_0_OR_GREATER
+			return SHA1.HashData(bytes).BytesToHex();
+#else
 			using var sha1 = SHA1.Create();
 			return sha1.ComputeHash(bytes).BytesToHex();
+#endif
 		}
 
 		#endregion SHA-1
@@ -453,8 +479,12 @@ namespace System.Security.Cryptography
 		/// <returns>The SHA-256 hash value, in hexadecimal notation.</returns>
 		public static string Sha256(byte[] bytes)
 		{
+#if NET8_0_OR_GREATER
+			return SHA256.HashData(bytes).BytesToHex();
+#else
 			using var sha256 = SHA256.Create();
 			return sha256.ComputeHash(bytes).BytesToHex();
+#endif
 		}
 
 		#endregion SHA-256
@@ -490,8 +520,12 @@ namespace System.Security.Cryptography
 		/// <returns>The SHA-512 hash value, in hexadecimal notation.</returns>
 		public static string Sha512(byte[] bytes)
 		{
+#if NET8_0_OR_GREATER
+			return SHA512.HashData(bytes).BytesToHex();
+#else
 			using var sha512 = SHA512.Create();
 			return sha512.ComputeHash(bytes).BytesToHex();
+#endif
 		}
 
 		#endregion SHA-512

AMWD.Common/Utilities/NetworkHelper.cs

@@ -4,7 +4,12 @@ using System.Linq;
 using System.Net;
 using System.Net.NetworkInformation;
 using System.Net.Sockets;
+#if NET8_0_OR_GREATER
+using IPNetwork = System.Net.IPNetwork;
+#else
 using Microsoft.AspNetCore.HttpOverrides;
+using IPNetwork = Microsoft.AspNetCore.HttpOverrides.IPNetwork;
+#endif
 
 namespace AMWD.Common.Utilities
 {
@@ -23,7 +28,7 @@ namespace AMWD.Common.Utilities
 		public static List<IPAddress> ResolveHost(string hostname, AddressFamily addressFamily = default)
 		{
 			if (string.IsNullOrWhiteSpace(hostname))
-				return new();
+				return [];
 
 			if (addressFamily != AddressFamily.InterNetwork && addressFamily != AddressFamily.InterNetworkV6)
 				addressFamily = AddressFamily.Unspecified;
@@ -31,7 +36,7 @@ namespace AMWD.Common.Utilities
 			var ipAddress = ResolveIpAddress(hostname, addressFamily);
 			// the name was an ip address, should not happen but experience tells other stories
 			if (ipAddress != null)
-				return new() { ipAddress };
+				return [ipAddress];
 
 			try
 			{
@@ -41,7 +46,7 @@ namespace AMWD.Common.Utilities
 			}
 			catch
 			{
-				return new();
+				return [];
 			}
 		}
 
@@ -54,7 +59,7 @@ namespace AMWD.Common.Utilities
 		public static List<IPAddress> ResolveInterface(string interfaceName, AddressFamily addressFamily = default)
 		{
 			if (string.IsNullOrWhiteSpace(interfaceName))
-				return new();
+				return [];
 
 			if (addressFamily != AddressFamily.InterNetwork && addressFamily != AddressFamily.InterNetworkV6)
 				addressFamily = AddressFamily.Unspecified;
@@ -62,7 +67,7 @@ namespace AMWD.Common.Utilities
 			var ipAddress = ResolveIpAddress(interfaceName, addressFamily);
 			// the name was an ip address, should not happen but experience tells other stories
 			if (ipAddress != null)
-				return new() { ipAddress };
+				return [ipAddress];
 
 			try
 			{
@@ -74,45 +79,7 @@ namespace AMWD.Common.Utilities
 			}
 			catch
 			{
-				return new();
+				return [];
-			}
-		}
-
-		/// <summary>
-		/// Parses a CIDR network definition.
-		/// </summary>
-		/// <param name="network">The network in CIDR.</param>
-		/// <returns>The <see cref="IPNetwork"/> or <c>null</c>.</returns>
-		public static IPNetwork ParseNetwork(string network)
-		{
-			TryParseNetwork(network, out var ipNetwork);
-			return ipNetwork;
-		}
-
-		/// <summary>
-		/// Tries to parse a CIDR network definition.
-		/// </summary>
-		/// <param name="network">The network in CIDR.</param>
-		/// <param name="ipNetwork">The parsed <see cref="IPNetwork"/>.</param>
-		/// <returns><c>true</c> on success, otherwise <c>false</c>.</returns>
-		public static bool TryParseNetwork(string network, out IPNetwork ipNetwork)
-		{
-			try
-			{
-				string[] parts = network.Split('/');
-				if (parts.Length != 2)
-					throw new ArgumentException($"Invalid network type");
-
-				var prefix = IPAddress.Parse(parts.First());
-				int prefixLength = int.Parse(parts.Last());
-
-				ipNetwork = new IPNetwork(prefix, prefixLength);
-				return true;
-			}
-			catch
-			{
-				ipNetwork = null;
-				return false;
 			}
 		}
 
@@ -128,7 +95,11 @@ namespace AMWD.Common.Utilities
 		{
 			var list = new List<IPAddress>();
 
+#if NET8_0_OR_GREATER
+			var ipAddress = network.BaseAddress;
+#else
 			var ipAddress = network.Prefix;
+#endif
 			while (network.Contains(ipAddress))
 			{
 				list.Add(ipAddress);

CHANGELOG.md

@@ -9,12 +9,27 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ###### Diffs
 
-- [AMWD.Common](https://git.am-wd.de/AM.WD/common/compare/v2.0.1...main)
+- [AMWD.Common](https://git.am-wd.de/AM.WD/common/compare/v2.0.1...HEAD)
-- [AMWD.Common.AspNetCore](https://git.am-wd.de/AM.WD/common/compare/asp/v3.0.0...main)
+- [AMWD.Common.AspNetCore](https://git.am-wd.de/AM.WD/common/compare/asp/v3.0.0...HEAD)
-- [AMWD.Common.EntityFrameworkCore](https://git.am-wd.de/AM.WD/common/compare/efc/v3.0.0...main)
+- [AMWD.Common.EntityFrameworkCore](https://git.am-wd.de/AM.WD/common/compare/efc/v3.0.0...HEAD)
-- [AMWD.Common.Test](https://git.am-wd.de/AM.WD/common/compare/test/v2.1.1...main)
+- [AMWD.Common.Test](https://git.am-wd.de/AM.WD/common/compare/test/v2.1.1...HEAD)
 
-_no changes yet_
+### Added
+
+- `ArReader` and `ArWriter` for Unix archives
+- `TarReader` and `TarWriter` for TAR archives
+
+### Changed
+
+- Optimized for C# 12
+- `IPNetwork` is used from (as `Microsoft.AspNetCore.HttpOverrides` is taged as "out of support"):
+  - .NET Standard 2.0 and .NET 6.0: `Microsoft.AspNetCore.HttpOverrides.IPNetwork`
+  - .NET 8.0: `System.Net.IPNetwork`
+- Moved `MessagePack` extensions formatter extensions to own package `AMWD.Common.MessagePack`
+
+### Removed
+
+- `GetDisplayName` for enum values was removed
 
 
 ## asp/v3.0.0, efc/v3.0.0 - 2023-12-28

Common.sln

@@ -41,6 +41,8 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Utils", "Utils", "{93EC8B16
 		nuget.config = nuget.config
 	EndProjectSection
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AMWD.Common.MessagePack", "AMWD.Common.MessagePack\AMWD.Common.MessagePack.csproj", "{EA014C15-93B6-4F2C-8229-1C13E22BF84A}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -67,6 +69,10 @@ Global
 		{9469D87B-126E-4338-92E3-701F762CB54D}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{9469D87B-126E-4338-92E3-701F762CB54D}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{9469D87B-126E-4338-92E3-701F762CB54D}.Release|Any CPU.Build.0 = Release|Any CPU
+		{EA014C15-93B6-4F2C-8229-1C13E22BF84A}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{EA014C15-93B6-4F2C-8229-1C13E22BF84A}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{EA014C15-93B6-4F2C-8229-1C13E22BF84A}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{EA014C15-93B6-4F2C-8229-1C13E22BF84A}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -80,6 +86,7 @@ Global
 		{86DE1B7C-3ECF-49B1-AB28-A976A3973FF5} = {AFBF83AE-FE7D-48C1-B7E7-31BF3E17C6FB}
 		{7196DA2B-D858-4B25-BC23-865175CFCDEC} = {AFBF83AE-FE7D-48C1-B7E7-31BF3E17C6FB}
 		{93EC8B16-7DEF-4E39-B590-E804DEF7C607} = {AFBF83AE-FE7D-48C1-B7E7-31BF3E17C6FB}
+		{EA014C15-93B6-4F2C-8229-1C13E22BF84A} = {F2C7556A-99EB-43EB-8954-56A24AFE928F}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {961E8DF8-DDF5-4D10-A510-CE409E9962AC}

Directory.Build.props

@@ -4,7 +4,6 @@
 
     <AppendTargetFrameworkToOutputPath>true</AppendTargetFrameworkToOutputPath>
     <CopyRefAssembliesToPublishDirectory>false</CopyRefAssembliesToPublishDirectory>
-    <IncludeSourceRevisionInInformationalVersion>false</IncludeSourceRevisionInInformationalVersion>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
 
     <IncludeSymbols>true</IncludeSymbols>
@@ -30,11 +29,11 @@
 
   <ItemGroup Condition="'$(CI)' == 'true'">
     <SourceLinkGitLabHost Include="$(CI_SERVER_HOST)" Version="$(CI_SERVER_VERSION)" />
-    <PackageReference Include="Microsoft.SourceLink.GitLab" Version="1.1.1" PrivateAssets="all" />
+    <PackageReference Include="Microsoft.SourceLink.GitLab" Version="8.0.0" PrivateAssets="all" />
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="AMWD.NetRevisionTask" Version="1.1.0">
+    <PackageReference Include="AMWD.NetRevisionTask" Version="1.2.0">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>

UnitTests/AspNetCore/Security/BasicAuthentication/BasicAuthenticationMiddlewareTests.cs

@@ -9,6 +9,7 @@ using System.Threading.Tasks;
 using AMWD.Common.AspNetCore.Security.BasicAuthentication;
 using Microsoft.AspNetCore.Http;
 using Microsoft.Extensions.Primitives;
+using Microsoft.Net.Http.Headers;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
 using Moq;
 
@@ -156,12 +157,16 @@ namespace UnitTests.AspNetCore.Security.BasicAuthentication
 			var requestHeaderMock = new Mock<IHeaderDictionary>();
 			foreach (var header in _requestHeaders)
 			{
+				var strVal = new StringValues(header.Value);
 				requestHeaderMock
 					.Setup(h => h.ContainsKey(header.Key))
 					.Returns(true);
 				requestHeaderMock
 					.Setup(h => h[header.Key])
-					.Returns(header.Value);
+					.Returns(strVal);
+				requestHeaderMock
+					.Setup(h => h.TryGetValue(header.Key, out strVal))
+					.Returns(true);
 			}
 
 			var requestMock = new Mock<HttpRequest>();
@@ -174,6 +179,11 @@ namespace UnitTests.AspNetCore.Security.BasicAuthentication
 			responseHeaderMock
 				.SetupSet(h => h[It.IsAny<string>()] = It.IsAny<StringValues>())
 				.Callback<string, StringValues>((key, value) => _responseHeadersCallback[key] = value);
+#pragma warning disable CS0618
+			responseHeaderMock
+				.SetupSet(h => h.WWWAuthenticate)
+				.Callback((value) => _responseHeadersCallback[HeaderNames.WWWAuthenticate] = value);
+#pragma warning restore CS0618
 
 			var responseMock = new Mock<HttpResponse>();
 			responseMock

UnitTests/Common/Extensions/EnumExtensionsTests.cs

@@ -108,22 +108,6 @@ namespace UnitTests.Common.Extensions
 			Assert.IsFalse(list.Any());
 		}
 
-		[TestMethod]
-		public void ShouldReturnDisplayNameOrStringRepresentation()
-		{
-			// arrange
-			var enumWithDisplayName = TestEnum.Two;
-			var enumWithoutDisplayName = TestEnum.Zero;
-
-			// act
-			string displayName = enumWithDisplayName.GetDisplayName();
-			string noDisplayName = enumWithoutDisplayName.GetDisplayName();
-
-			// assert
-			Assert.AreEqual("Zwei", displayName);
-			Assert.AreEqual(enumWithoutDisplayName.ToString(), noDisplayName);
-		}
-
 		internal enum TestEnum
 		{
 			[CustomMultiple("nix")]
@@ -132,7 +116,6 @@ namespace UnitTests.Common.Extensions
 			Zero,
 			[Description("Eins")]
 			One,
-			[Display(Name = "Zwei")]
 			Two,
 		}
 	}

UnitTests/Common/Packing/Ar/ArReaderTests.cs

@@ -0,0 +1,355 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text;
+using AMWD.Common.Packing.Ar;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+
+namespace UnitTests.Common.Packing.Ar
+{
+	[TestClass]
+	[System.Diagnostics.CodeAnalysis.ExcludeFromCodeCoverage]
+	public class ArReaderTests
+	{
+		private readonly DateTime _fixedDateTime = new(2023, 03, 01, 10, 20, 30, 0, DateTimeKind.Utc);
+
+		private Dictionary<string, ArFileInfo> _files;
+
+		private Stream inStream;
+
+		[TestInitialize]
+		public void Initialize()
+		{
+			_files = new Dictionary<string, ArFileInfo>
+			{
+				{
+					"abcd.tmp",
+					new ArFileInfo
+					{
+						FileName = "abcd.tmp",
+						FileSize = 14,
+						GroupId = 456,
+						Mode = 33188,
+						ModifyTime = _fixedDateTime,
+						UserId = 123
+					}
+				},
+				{
+					"efgh.tmp",
+					new ArFileInfo
+					{
+						FileName = "efgh.tmp",
+						FileSize = 14,
+						GroupId = 456,
+						Mode = 33188,
+						ModifyTime = _fixedDateTime,
+						UserId = 123
+					}
+				},
+				{
+					"ijkl.tmp",
+					new ArFileInfo
+					{
+						FileName = "ijkl.tmp",
+						FileSize = 13,
+						GroupId = 456,
+						Mode = 33188,
+						ModifyTime = _fixedDateTime,
+						UserId = 123
+					}
+				}
+			};
+
+			inStream = new MemoryStream();
+			inStream.Write(Encoding.ASCII.GetBytes("!<arch>\n"));
+
+			foreach (var file in _files)
+			{
+				int unixSeconds = (int)file.Value.ModifyTime.Subtract(DateTime.UnixEpoch).TotalSeconds;
+
+				inStream.Write(Encoding.ASCII.GetBytes($"{file.Key,-16}{unixSeconds,-12}123   456   100644  {file.Value.FileSize,-10}`\n"));
+				inStream.Write(Encoding.UTF8.GetBytes(new string('a', (int)file.Value.FileSize)));
+				if (file.Value.FileSize % 2 != 0)
+					inStream.Write(Encoding.ASCII.GetBytes("\n"));
+			}
+
+			inStream.Seek(0, SeekOrigin.Begin);
+		}
+
+		[TestCleanup]
+		public void Cleanup()
+		{
+			inStream.Dispose();
+			inStream = null;
+		}
+
+		[TestMethod]
+		public void ShouldInitializeArchive()
+		{
+			// Arrange
+			inStream.Dispose();
+			inStream = new MemoryStream();
+			inStream.Write(Encoding.ASCII.GetBytes("!<arch>\n"));
+			inStream.Seek(0, SeekOrigin.Begin);
+
+			// Act
+			var reader = new ArReader(inStream);
+
+			// Assert
+			Assert.IsNotNull(reader);
+			Assert.IsFalse(reader.GetFileList().Any());
+		}
+
+		[TestMethod]
+		public void ShouldInitializeWithFiles()
+		{
+			// Arrange
+
+			// Act
+			var reader = new ArReader(inStream);
+
+			// Assert
+			Assert.IsNotNull(reader);
+			Assert.IsTrue(reader.GetFileList().Any());
+		}
+
+		[TestMethod]
+		public void ShouldListFileNames()
+		{
+			// Arrange
+			var reader = new ArReader(inStream);
+
+			// Act
+			var fileList = reader.GetFileList().ToList();
+
+			// Assert
+			Assert.IsNotNull(reader);
+			Assert.AreEqual(_files.Count, fileList.Count);
+
+			foreach (string name in _files.Keys)
+				Assert.IsTrue(fileList.Contains(name));
+		}
+
+		[TestMethod]
+		public void ShouldReturnValidFileInfo()
+		{
+			// Arrange
+			var infos = new List<ArFileInfo>();
+			var reader = new ArReader(inStream);
+
+			// Act
+			foreach (string name in _files.Keys)
+				infos.Add(reader.GetFileInfo(name));
+
+			// Assert
+			Assert.IsNotNull(reader);
+			Assert.AreEqual(_files.Count, infos.Count);
+
+			foreach (var expected in _files.Values)
+			{
+				var actual = infos.Single(fi => fi.FileName == expected.FileName);
+
+				Assert.AreEqual(expected.FileName, actual.FileName);
+				Assert.AreEqual(expected.FileSize, actual.FileSize);
+				Assert.AreEqual(expected.GroupId, actual.GroupId);
+				Assert.AreEqual(expected.Mode, actual.Mode);
+				Assert.AreEqual(expected.ModifyTime, actual.ModifyTime);
+				Assert.AreEqual(expected.UserId, actual.UserId);
+			}
+		}
+
+		[TestMethod]
+		public void ShouldReturnValidFileContent()
+		{
+			// Arrange
+			var contents = new Dictionary<string, string>();
+			var reader = new ArReader(inStream);
+
+			// Act
+			foreach (string name in _files.Keys)
+			{
+				using var ms = new MemoryStream();
+				reader.ReadFile(name, ms);
+				ms.Seek(0, SeekOrigin.Begin);
+
+				contents.Add(name, Encoding.UTF8.GetString(ms.ToArray()));
+			}
+
+			// Assert
+			Assert.IsNotNull(reader);
+			Assert.AreEqual(_files.Count, contents.Count);
+
+			foreach (var expected in _files.Values)
+			{
+				string content = contents[expected.FileName];
+
+				if (expected.FileSize % 2 != 0)
+					Assert.AreEqual(13, content.Length);
+				else
+					Assert.AreEqual(14, content.Length);
+
+				Assert.AreEqual(new string('a', (int)expected.FileSize), content);
+			}
+		}
+
+		[TestMethod]
+		public void ShouldWriteFileToDisk()
+		{
+			// Arrange
+			string tmpFile = Path.GetTempFileName();
+			var reader = new ArReader(inStream);
+
+			try
+			{
+				// Act
+				using var ms = new MemoryStream();
+
+				reader.ReadFile("abcd.tmp", ms);
+				reader.ReadFile("abcd.tmp", tmpFile);
+
+				// Assert
+				CollectionAssert.AreEqual(ms.ToArray(), File.ReadAllBytes(tmpFile));
+			}
+			finally
+			{
+				File.Delete(tmpFile);
+			}
+		}
+
+		[TestMethod]
+		[ExpectedException(typeof(ArgumentException))]
+		public void ShouldThrowExceptionOnMissingRead()
+		{
+			// Arrange
+			using var stream = new OverrideStream();
+			stream.CanReadOR = false;
+			stream.CanSeekOR = true;
+			stream.CanWriteOR = true;
+
+			// Act
+			var reader = new ArReader(stream);
+
+			// Assert - ArgumentException
+			Assert.Fail();
+		}
+
+		[TestMethod]
+		[ExpectedException(typeof(ArgumentException))]
+		public void ShouldThrowExceptionOnMissingSeek()
+		{
+			// Arrange
+			using var stream = new OverrideStream();
+			stream.CanReadOR = true;
+			stream.CanSeekOR = false;
+			stream.CanWriteOR = true;
+
+			// Act
+			var reader = new ArReader(stream);
+
+			// Assert - ArgumentException
+			Assert.Fail();
+		}
+
+		[TestMethod]
+		[ExpectedException(typeof(ArgumentException))]
+		public void ShouldThrowExceptionOnMissingWrite()
+		{
+			// Arrange
+			using var stream = new OverrideStream();
+			stream.CanReadOR = true;
+			stream.CanSeekOR = true;
+			stream.CanWriteOR = false;
+
+			var reader = new ArReader(inStream);
+
+			// Act
+			reader.ReadFile("abcd.tmp", stream);
+
+			// Assert - ArgumentException
+			Assert.Fail();
+		}
+
+		[TestMethod]
+		[ExpectedException(typeof(FormatException))]
+		public void ShouldThrowExceptionOnInvalidArchive()
+		{
+			// Arrange
+			inStream.Seek(8, SeekOrigin.Begin);
+
+			// Act
+			_ = new ArReader(inStream);
+
+			// Assert - FormatException
+			Assert.Fail();
+		}
+
+		[TestMethod]
+		[ExpectedException(typeof(FormatException))]
+		public void ShouldThrowExceptionOnInvalidMagic()
+		{
+			// Arrange
+			inStream.Seek(0, SeekOrigin.End);
+			inStream.Write(Encoding.ASCII.GetBytes($"{"foo.bar",-16}{"123456789",-12}123   456   100644  {"0",-10}´\n"));
+			inStream.Seek(0, SeekOrigin.Begin);
+
+			// Act
+			_ = new ArReader(inStream);
+
+			// Assert - FormatException
+			Assert.Fail();
+		}
+
+		[TestMethod]
+		public void ShouldWriteNothingToStreamForMissingFile()
+		{
+			// Arrange
+			var reader = new ArReader(inStream);
+
+			// Act
+			using var ms = new MemoryStream();
+
+			reader.ReadFile("foo.bar", ms);
+			ms.Seek(0, SeekOrigin.Begin);
+
+			// Assert
+			Assert.AreEqual(0, ms.Length);
+		}
+
+		[TestMethod]
+		public void ShouldWriteNothingToDiskForMissingFile()
+		{
+			// Arrange
+			string tmpFile = Path.GetTempFileName();
+			var reader = new ArReader(inStream);
+
+			try
+			{
+				// Act
+				reader.ReadFile("foo.bar", tmpFile);
+
+				// Assert
+				Assert.AreEqual(0, new FileInfo(tmpFile).Length);
+			}
+			finally
+			{
+				File.Delete(tmpFile);
+			}
+		}
+
+		private class OverrideStream : MemoryStream
+		{
+			public override bool CanWrite => CanWriteOR;
+
+			public bool CanWriteOR { get; set; }
+
+			public override bool CanSeek => CanSeekOR;
+
+			public bool CanSeekOR { get; set; }
+
+			public override bool CanRead => CanReadOR;
+
+			public bool CanReadOR { get; set; }
+		}
+	}
+}

UnitTests/Common/Packing/Ar/ArWriterTests.cs

@@ -0,0 +1,306 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Security.Cryptography;
+using System.Text;
+using AMWD.Common.Packing.Ar;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+
+namespace UnitTests.Common.Packing.Ar
+{
+	[TestClass]
+	[System.Diagnostics.CodeAnalysis.ExcludeFromCodeCoverage]
+	public class ArWriterTests
+	{
+		private readonly DateTime fixedDateTime = new(2023, 03, 01, 10, 20, 30, 0, DateTimeKind.Utc);
+
+		private readonly Dictionary<string, string> files = new();
+
+		private Stream outStream;
+
+		[TestInitialize]
+		public void Initialize()
+		{
+			files.Clear();
+			for (int i = 0; i < 3; i++)
+			{
+				var (filePath, content) = GenerateTestFile();
+				files.Add(filePath, content);
+			}
+
+			outStream = new MemoryStream();
+		}
+
+		[TestCleanup]
+		public void Cleanup()
+		{
+			foreach (var kvp in files)
+				File.Delete(kvp.Key);
+
+			files.Clear();
+
+			outStream.Dispose();
+			outStream = null;
+		}
+
+		[TestMethod]
+		public void ShouldInitializeArchive()
+		{
+			// Arrange
+			byte[] initBytes = new byte[8];
+
+			// Act
+			_ = new ArWriter(outStream);
+
+			outStream.Seek(0, SeekOrigin.Begin);
+
+			// Assert
+			Assert.AreEqual(initBytes.Length, outStream.Length);
+
+			outStream.Read(initBytes, 0, initBytes.Length);
+			CollectionAssert.AreEqual(Encoding.ASCII.GetBytes("!<arch>\n"), initBytes);
+		}
+
+		[TestMethod]
+		public void ShouldWriteOneFile()
+		{
+			// Arrange
+			var firstFileKvp = files.First();
+			byte[] headerBytes = new byte[60];
+			byte[] contentBytes = new byte[14];
+
+			var writer = new ArWriter(outStream);
+
+			// Act
+			writer.WriteFile(firstFileKvp.Key, 123, 456);
+
+			outStream.Seek(8, SeekOrigin.Begin); // set behind init bytes
+
+			// Assert
+			Assert.AreEqual(8 + headerBytes.Length + contentBytes.Length, outStream.Length);
+
+			outStream.Read(headerBytes, 0, headerBytes.Length);
+			outStream.Read(contentBytes, 0, contentBytes.Length);
+
+			string header = Encoding.ASCII.GetString(headerBytes);
+			string content = Encoding.UTF8.GetString(contentBytes);
+
+			Assert.AreEqual($"{Path.GetFileName(firstFileKvp.Key),-16}1677666030  123   456   100644  14        `\n", header);
+			Assert.AreEqual(firstFileKvp.Value, content);
+		}
+
+		[TestMethod]
+		public void ShouldWriteMultipleFiles()
+		{
+			// Arrange
+			var writer = new ArWriter(outStream);
+
+			// Act
+			foreach (var kvp in files)
+				writer.WriteFile(kvp.Key, 123, 456);
+
+			outStream.Seek(8, SeekOrigin.Begin);
+
+			// Assert
+			Assert.AreEqual((8 + 3 * 60 + 3 * 14), outStream.Length);
+
+			foreach (var kvp in files)
+			{
+				byte[] headerBytes = new byte[60];
+				byte[] contentBytes = new byte[14];
+
+				outStream.Read(headerBytes, 0, headerBytes.Length);
+				outStream.Read(contentBytes, 0, contentBytes.Length);
+
+				string header = Encoding.ASCII.GetString(headerBytes);
+				string content = Encoding.UTF8.GetString(contentBytes);
+
+				Assert.AreEqual($"{Path.GetFileName(kvp.Key),-16}1677666030  123   456   100644  14        `\n", header);
+				Assert.AreEqual(kvp.Value, content);
+			}
+		}
+
+		[TestMethod]
+		public void ShouldPadToEven()
+		{
+			// Arrange
+			var (filePath, fileContent) = GenerateTestFile(13);
+
+			try
+			{
+				byte[] headerBytes = new byte[60];
+				byte[] contentBytes = new byte[14];
+
+				var writer = new ArWriter(outStream);
+
+				// Act
+				writer.WriteFile(filePath, 123, 456);
+
+				outStream.Seek(8, SeekOrigin.Begin);
+
+				// Assert
+				Assert.AreEqual(8 + headerBytes.Length + contentBytes.Length, outStream.Length);
+
+				outStream.Read(headerBytes, 0, headerBytes.Length);
+				outStream.Read(contentBytes, 0, contentBytes.Length);
+
+				string header = Encoding.ASCII.GetString(headerBytes);
+				string content = Encoding.UTF8.GetString(contentBytes);
+
+				Assert.AreEqual($"{Path.GetFileName(filePath),-16}1677666030  123   456   100644  13        `\n", header);
+				Assert.AreEqual(fileContent + "\n", content);
+			}
+			finally
+			{
+				File.Delete(filePath);
+			}
+		}
+
+		[TestMethod]
+		[ExpectedException(typeof(ArgumentException))]
+		public void ShouldFailOnFileNameTooLong()
+		{
+			// Arrange
+			var (filePath, _) = GenerateTestFile();
+			try
+			{
+				string path = Path.GetDirectoryName(filePath);
+				string fileName = Path.GetFileName(filePath);
+				fileName = fileName.PadLeft(20, 'a');
+
+				File.Move(filePath, Path.Combine(path, fileName));
+				filePath = Path.Combine(path, fileName);
+
+				var writer = new ArWriter(outStream);
+
+				// Act
+				writer.WriteFile(filePath, 123, 456);
+
+				// Assert - Exception
+				Assert.Fail();
+			}
+			finally
+			{
+				File.Delete(filePath);
+			}
+		}
+
+		[TestMethod]
+		public void ShouldWriteEmptyOnNegativeUserId()
+		{
+			// Arrange
+			var firstFileKvp = files.First();
+			byte[] headerBytes = new byte[60];
+			byte[] contentBytes = new byte[14];
+
+			var writer = new ArWriter(outStream);
+
+			// Act
+			writer.WriteFile(firstFileKvp.Key, -123, 456);
+
+			outStream.Seek(8, SeekOrigin.Begin);
+
+			// Assert
+			Assert.AreEqual(8 + headerBytes.Length + contentBytes.Length, outStream.Length);
+
+			outStream.Read(headerBytes, 0, headerBytes.Length);
+			outStream.Read(contentBytes, 0, contentBytes.Length);
+
+			string header = Encoding.ASCII.GetString(headerBytes);
+			string content = Encoding.UTF8.GetString(contentBytes);
+
+			Assert.AreEqual($"{Path.GetFileName(firstFileKvp.Key),-16}1677666030        456   100644  14        `\n", header);
+			Assert.AreEqual(firstFileKvp.Value, content);
+		}
+
+		[TestMethod]
+		public void ShouldWriteEmptyOnNegativeGroupId()
+		{
+			// Arrange
+			var firstFileKvp = files.First();
+			byte[] headerBytes = new byte[60];
+			byte[] contentBytes = new byte[14];
+
+			var writer = new ArWriter(outStream);
+
+			// Act
+			writer.WriteFile(firstFileKvp.Key, 123, -456);
+
+			outStream.Seek(8, SeekOrigin.Begin);
+
+			// Assert
+			Assert.AreEqual(8 + headerBytes.Length + contentBytes.Length, outStream.Length);
+
+			outStream.Read(headerBytes, 0, headerBytes.Length);
+			outStream.Read(contentBytes, 0, contentBytes.Length);
+
+			string header = Encoding.ASCII.GetString(headerBytes);
+			string content = Encoding.UTF8.GetString(contentBytes);
+
+			Assert.AreEqual($"{Path.GetFileName(firstFileKvp.Key),-16}1677666030  123         100644  14        `\n", header);
+			Assert.AreEqual(firstFileKvp.Value, content);
+		}
+
+		[TestMethod]
+		public void ShouldWriteEmptyOnNegativeMode()
+		{
+			// Arrange
+			var firstFileKvp = files.First();
+			byte[] headerBytes = new byte[60];
+			byte[] contentBytes = new byte[14];
+
+			var writer = new ArWriter(outStream);
+
+			// Act
+			writer.WriteFile(firstFileKvp.Key, 123, 456, -1);
+
+			outStream.Seek(8, SeekOrigin.Begin);
+
+			// Assert
+			Assert.AreEqual(8 + headerBytes.Length + contentBytes.Length, outStream.Length);
+
+			outStream.Read(headerBytes, 0, headerBytes.Length);
+			outStream.Read(contentBytes, 0, contentBytes.Length);
+
+			string header = Encoding.ASCII.GetString(headerBytes);
+			string content = Encoding.UTF8.GetString(contentBytes);
+
+			Assert.AreEqual($"{Path.GetFileName(firstFileKvp.Key),-16}1677666030  123   456           14        `\n", header);
+			Assert.AreEqual(firstFileKvp.Value, content);
+		}
+
+		[TestMethod]
+		[ExpectedException(typeof(ArgumentException))]
+		public void ShouldFailOnNonWritableStream()
+		{
+			// Arrange
+			using var testStream = new NonWriteStream();
+
+			// Act
+			_ = new ArWriter(testStream);
+
+			// Assert - ArgumentException
+			Assert.Fail();
+		}
+
+		private (string filePath, string content) GenerateTestFile(int length = 14)
+		{
+			string filePath = Path.GetTempFileName();
+			string text = CryptographyHelper.GetRandomString(length);
+
+			File.WriteAllText(filePath, text);
+			File.SetLastWriteTimeUtc(filePath, fixedDateTime);
+			return (filePath, text);
+		}
+
+		private class NonWriteStream : MemoryStream
+		{
+			public NonWriteStream()
+				: base()
+			{ }
+
+			public override bool CanWrite => false;
+		}
+	}
+}

UnitTests/Common/Packing/Tar/TarReaderTests.cs

@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace UnitTests.Common.Packing.Tar
+{
+	internal class TarReaderTests
+	{
+	}
+}

UnitTests/UnitTests.csproj

@@ -2,6 +2,7 @@
 
   <PropertyGroup>
     <TargetFramework>net8.0</TargetFramework>
+    <LangVersion>12.0</LangVersion>
     <IsPackable>false</IsPackable>
     <CollectCoverage>true</CollectCoverage>
     <GenerateDocumentationFile>false</GenerateDocumentationFile>
@@ -13,8 +14,8 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
     <PackageReference Include="DNS" Version="7.0.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.7.2" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
-    <PackageReference Include="Moq" Version="4.20.69" />
+    <PackageReference Include="Moq" Version="4.20.70" />
     <PackageReference Include="MSTest.TestAdapter" Version="3.1.1" />
     <PackageReference Include="MSTest.TestFramework" Version="3.1.1" />
     <PackageReference Include="ReflectionMagic" Version="5.0.0" />