Remove: unused wrappers

9 files changed, 0 insertions, 426 deletions

diff --git a/wrappers/csharp/.gitignore b/wrappers/csharp/.gitignore
deleted file mode 100644
index 115bb34..0000000
--- a/wrappers/csharp/.gitignore
+++ /dev/null
@@ -1,4 +0,0 @@
-bin/
-obj/
-/packages/
-.vs/
diff --git a/wrappers/csharp/Discovery.cs b/wrappers/csharp/Discovery.cs
deleted file mode 100644
index 21c979f..0000000
--- a/wrappers/csharp/Discovery.cs
+++ /dev/null
@@ -1,157 +0,0 @@
-using System;
-using System.Diagnostics;
-using System.Runtime.CompilerServices;
-using System.Runtime.InteropServices;
-using System.Text;
-
-// Make InsecureTestingSetExtraKey visible to tests
-[assembly: InternalsVisibleTo("EduVpnCommonTests")]
-
-namespace EduVpnCommon
-{
-	public static class Discovery
-	{
-		/// <summary>
-		/// Verifies the signature on the JSON server_list.json/organization_list.json file.
-		/// If the function returns, the signature is valid for the given file type.
-		/// </summary>
-		/// <param name="signatureFileContent">.minisig signature file contents.</param>
-		/// <param name="signedJson">Signed .json file contents.</param>
-		/// <param name="expectedFileName">The file type to be verified, one of <c>"server_list.json"</c> or <c>"organization_list.json"</c>.</param>
-		/// <param name="minSignTime">Minimum time for signature. Should be set to at least the time of the previous signature.</param>
-		/// <exception cref="ArgumentException">If <c>expectedFileName</c> is not one of the allowed values.</exception>
-		/// <exception cref="VerifyException">If signature verification fails.</exception>
-		public static void Verify(
-			ArraySegment<byte> signatureFileContent,  // Span<byte> would be nicer, but is not available in .NET Standard 2.0
-			ArraySegment<byte> signedJson,
-			string             expectedFileName,
-			DateTimeOffset     minSignTime)
-		{
-			VerifyReturnCode result;
-			{
-				using var signatureHandle    = GoSliceHandle.FromArray(signatureFileContent);
-				using var jsonHandle         = GoSliceHandle.FromArray(signedJson);
-				using var expectedFileHandle = GoSliceHandle.FromString(expectedFileName);
-
-				result = Verify(signatureHandle.Slice, jsonHandle.Slice, expectedFileHandle.Slice,
-					(ulong) minSignTime.ToUnixTimeSeconds());
-			}
-
-			switch (result)
-			{
-				case VerifyReturnCode.Ok:
-					return;
-				case VerifyReturnCode.ErrUnknownExpectedFileName:
-					throw new ArgumentException("unknown expected file name", nameof(expectedFileName));
-				case VerifyReturnCode.ErrInvalidSignature:
-					throw new InvalidSignatureException();
-				case VerifyReturnCode.ErrInvalidSignatureUnknownKey:
-					throw new InvalidSignatureUnknownKeyException();
-				case VerifyReturnCode.ErrTooOld:
-					throw new SignatureTooOldException();
-				default:
-					throw new UnknownVerifyException((sbyte) result);
-			}
-		}
-
-		/// <summary>Use for testing only, see Go documentation.</summary>
-		internal static void InsecureTestingSetExtraKey(string keyString)
-		{
-			using var keyHandle = GoSliceHandle.FromString(keyString);
-			InsecureTestingSetExtraKey(keyHandle.Slice);
-		}
-
-		const string LibName = "eduvpn_common";
-
-		[DllImport(LibName)]
-		static extern VerifyReturnCode Verify(GoSlice signatureFileContent, GoSlice signedJson, GoSlice expectedFileName, ulong minSignTime);
-
-		[DllImport(LibName)] static extern void InsecureTestingSetExtraKey(GoSlice keyStr);
-
-		/// <summary>
-		/// Safe auto-disposing Go slice handle.
-		/// Non-copying alternative to `Marshal.AllocHGlobal` etc.
-		/// </summary>
-		class GoSliceHandle : IDisposable
-		{
-			GCHandle         gcHandle_;
-			readonly GoSlice slice_;
-
-			public GoSlice Slice => gcHandle_.IsAllocated
-				? slice_
-				: throw new InvalidOperationException("Handle was disposed");
-
-			GoSliceHandle(Array array, int offset, int count)
-			{
-				Debug.Assert(offset <= array.Length && /*prevent overflow:*/ count <= array.Length && offset <= array.Length - count);
-				gcHandle_ = GCHandle.Alloc(array, GCHandleType.Pinned);
-				var elemSize = Marshal.SizeOf(array.GetType().GetElementType()!);
-				slice_ = new GoSlice(gcHandle_.AddrOfPinnedObject() + offset * elemSize, count * elemSize);
-			}
-
-			public static GoSliceHandle FromArray<T>(ArraySegment<T> segment) where T : struct =>
-				new GoSliceHandle(segment.Array!, segment.Offset, segment.Count);
-
-			/// <summary>From string as UTF-8.</summary>
-			public static GoSliceHandle FromString(string str) =>
-				FromArray(new ArraySegment<byte>(Encoding.UTF8.GetBytes(str)));
-
-			public void Dispose() => gcHandle_.Free();
-		}
-
-		// C-compatible structure
-		readonly struct GoSlice
-		{
-			readonly IntPtr data_;
-			readonly long   len_, cap_;
-
-			public GoSlice(IntPtr data, long len, long cap)
-			{
-				data_ = data;
-				len_  = len;
-				cap_  = cap;
-			}
-
-			public GoSlice(IntPtr data, long len) : this(data, len, len) { }
-		}
-	}
-
-	/// <summary>Verification failed, do not trust the file.</summary>
-	public abstract class VerifyException : Exception
-	{
-		protected VerifyException(string message) : base(message) { }
-	}
-
-	/// <summary>Signature is invalid (for the expected file type).</summary>
-	public sealed class InvalidSignatureException : VerifyException
-	{
-		public InvalidSignatureException() : base("invalid signature") { }
-	}
-
-	/// <summary>Signature was created with an unknown key and has not been verified.</summary>
-	public sealed class InvalidSignatureUnknownKeyException : VerifyException
-	{
-		public InvalidSignatureUnknownKeyException() : base("invalid signature (unknown key)") { }
-	}
-
-	/// <summary>Signature timestamp smaller than specified minimum signing time (rollback).</summary>
-	public sealed class SignatureTooOldException : VerifyException
-	{
-		public SignatureTooOldException() : base("replay of previous signature (rollback)") { }
-	}
-
-	/// <summary>Other unknown error.</summary>
-	public sealed class UnknownVerifyException : VerifyException
-	{
-		public UnknownVerifyException(sbyte code) : base($"unknown verify error ({code})") => Debug.Assert(code != 0);
-	}
-
-	enum VerifyReturnCode : sbyte
-	{
-		Ok,
-		ErrUnknownExpectedFileName,
-		ErrInvalidSignature,
-		ErrInvalidSignatureUnknownKey,
-		ErrTooOld
-	}
-}
diff --git a/wrappers/csharp/EduVpnCommon.csproj b/wrappers/csharp/EduVpnCommon.csproj
deleted file mode 100644
index 587601c..0000000
--- a/wrappers/csharp/EduVpnCommon.csproj
+++ /dev/null
@@ -1,73 +0,0 @@
-<Project Sdk="Microsoft.NET.Sdk">
-
-	<PropertyGroup>
-		<TargetFramework>netstandard2.0</TargetFramework>
-		<LangVersion>8</LangVersion>
-		<Nullable>enable</Nullable>
-		<PackageId>EduVpn.Common</PackageId>
-		<PackageVersion>0.1.0</PackageVersion>
-		<Authors />
-		<Description>Common EduVpn logic</Description>
-		<Product>EduVpn</Product>
-	</PropertyGroup>
-
-	<ItemGroup>
-		<Compile Remove="EduVpnCommonTests/**" />
-		<EmbeddedResource Remove="EduVpnCommonTests/**" />
-		<None Remove="EduVpnCommonTests/**" />
-	</ItemGroup>
-
-	<!-- Include EXPORTS_LIB_PATH, LIB_NAME definitions -->
-	<ImportGroup Label="PropertySheets">
-		<Import Project="EduVpnCommon.props" />
-	</ImportGroup>
-
-	<Target Name="Build library for current OS" BeforeTargets="PrepareForBuild"
-	        Condition="!(Exists('$(EXPORTS_LIB_PATH)/windows/amd64/$(LIB_NAME).dll')
-				Or Exists('$(EXPORTS_LIB_PATH)/windows/386/$(LIB_NAME).dll')
-				Or Exists('$(EXPORTS_LIB_PATH)/windows/arm/$(LIB_NAME).dll')
-				Or Exists('$(EXPORTS_LIB_PATH)/windows/arm64/$(LIB_NAME).dll')
-				Or Exists('$(EXPORTS_LIB_PATH)/linux/amd64/lib$(LIB_NAME).so')
-				Or Exists('$(EXPORTS_LIB_PATH)/linux/arm/lib$(LIB_NAME).so')
-				Or Exists('$(EXPORTS_LIB_PATH)/linux/arm64/lib$(LIB_NAME).so'))">
-		<Message Text="!! Shared $(LIB_NAME) library not found, you should build that one first" Importance="high" />
-	</Target>
-
-	<ItemGroup>
-		<!--
-			See https://docs.microsoft.com/en-us/nuget/create-packages/supporting-multiple-target-frameworks#architecture-specific-folders
-			and https://docs.microsoft.com/en-us/dotnet/core/rid-catalog
-		-->
-
-		<None Condition="Exists('$(EXPORTS_LIB_PATH)/windows/amd64/$(LIB_NAME).dll')"
-		      Include="$(EXPORTS_LIB_PATH)/windows/amd64/$(LIB_NAME).dll" Pack="true" PackagePath="runtimes/win-x64/native/">
-			<CopyToOutputDirectory>Always</CopyToOutputDirectory>
-		</None>
-		<None Condition="Exists('$(EXPORTS_LIB_PATH)/windows/386/$(LIB_NAME).dll')"
-		      Include="$(EXPORTS_LIB_PATH)/windows/386/$(LIB_NAME).dll" Pack="true" PackagePath="runtimes/win-x86/native/">
-			<CopyToOutputDirectory>Always</CopyToOutputDirectory>
-		</None>
-		<None Condition="Exists('$(EXPORTS_LIB_PATH)/windows/arm/$(LIB_NAME).dll')"
-		      Include="$(EXPORTS_LIB_PATH)/windows/arm/$(LIB_NAME).dll" Pack="true" PackagePath="runtimes/win-arm/native/">
-			<CopyToOutputDirectory>Always</CopyToOutputDirectory>
-		</None>
-		<None Condition="Exists('$(EXPORTS_LIB_PATH)/windows/arm64/$(LIB_NAME).dll')"
-		      Include="$(EXPORTS_LIB_PATH)/windows/arm64/$(LIB_NAME).dll" Pack="true" PackagePath="runtimes/win-arm64/native/">
-			<CopyToOutputDirectory>Always</CopyToOutputDirectory>
-		</None>
-
-		<None Condition="Exists('$(EXPORTS_LIB_PATH)/linux/amd64/lib$(LIB_NAME).so')"
-		      Include="$(EXPORTS_LIB_PATH)/linux/amd64/lib$(LIB_NAME).so" Pack="true" PackagePath="runtimes/linux-x64/native/">
-			<CopyToOutputDirectory>Always</CopyToOutputDirectory>
-		</None>
-		<None Condition="Exists('$(EXPORTS_LIB_PATH)/linux/arm/lib$(LIB_NAME).so')"
-		      Include="$(EXPORTS_LIB_PATH)/linux/arm/lib$(LIB_NAME).so" Pack="true" PackagePath="runtimes/linux-arm/native/">
-			<CopyToOutputDirectory>Always</CopyToOutputDirectory>
-		</None>
-		<None Condition="Exists('$(EXPORTS_LIB_PATH)/linux/arm64/lib$(LIB_NAME).so')"
-		      Include="$(EXPORTS_LIB_PATH)/linux/arm64/lib$(LIB_NAME).so" Pack="true" PackagePath="runtimes/linux-arm64/native/">
-			<CopyToOutputDirectory>Always</CopyToOutputDirectory>
-		</None>
-	</ItemGroup>
-
-</Project>
diff --git a/wrappers/csharp/EduVpnCommon.props b/wrappers/csharp/EduVpnCommon.props
deleted file mode 100644
index 97c2289..0000000
--- a/wrappers/csharp/EduVpnCommon.props
+++ /dev/null
@@ -1,7 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-	<PropertyGroup>
-		<EXPORTS_LIB_PATH Condition="'$(EXPORTS_LIB_PATH)' == ''">$(SolutionDir)../../exports/lib</EXPORTS_LIB_PATH>
-		<LIB_NAME Condition="'$(LIB_NAME)' == ''">eduvpn_common</LIB_NAME>
-	</PropertyGroup>
-</Project>
diff --git a/wrappers/csharp/EduVpnCommon.sln b/wrappers/csharp/EduVpnCommon.sln
deleted file mode 100644
index 0d59e2f..0000000
--- a/wrappers/csharp/EduVpnCommon.sln
+++ /dev/null
@@ -1,22 +0,0 @@
-
-Microsoft Visual Studio Solution File, Format Version 12.00
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "EduVpnCommon", "EduVpnCommon.csproj", "{D95F43A0-EF74-41FD-A526-8987151ABB30}"
-EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "EduVpnCommonTests", "EduVpnCommonTests/EduVpnCommonTests.csproj", "{B7A75F1A-C83F-4FAB-AD16-E9DB7EF58EBC}"
-EndProject
-Global
-	GlobalSection(SolutionConfigurationPlatforms) = preSolution
-		Debug|Any CPU = Debug|Any CPU
-		Release|Any CPU = Release|Any CPU
-	EndGlobalSection
-	GlobalSection(ProjectConfigurationPlatforms) = postSolution
-		{D95F43A0-EF74-41FD-A526-8987151ABB30}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{D95F43A0-EF74-41FD-A526-8987151ABB30}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{D95F43A0-EF74-41FD-A526-8987151ABB30}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{D95F43A0-EF74-41FD-A526-8987151ABB30}.Release|Any CPU.Build.0 = Release|Any CPU
-		{B7A75F1A-C83F-4FAB-AD16-E9DB7EF58EBC}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{B7A75F1A-C83F-4FAB-AD16-E9DB7EF58EBC}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{B7A75F1A-C83F-4FAB-AD16-E9DB7EF58EBC}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{B7A75F1A-C83F-4FAB-AD16-E9DB7EF58EBC}.Release|Any CPU.Build.0 = Release|Any CPU
-	EndGlobalSection
-EndGlobal
diff --git a/wrappers/csharp/EduVpnCommonTests/EduVpnCommonTests.csproj b/wrappers/csharp/EduVpnCommonTests/EduVpnCommonTests.csproj
deleted file mode 100644
index 9a44848..0000000
--- a/wrappers/csharp/EduVpnCommonTests/EduVpnCommonTests.csproj
+++ /dev/null
@@ -1,19 +0,0 @@
-<Project Sdk="Microsoft.NET.Sdk">
-
-	<PropertyGroup>
-		<TargetFramework>net5.0</TargetFramework>
-		<IsPackable>false</IsPackable>
-	</PropertyGroup>
-
-	<ItemGroup>
-		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.0.0" />
-		<PackageReference Include="NUnit" Version="3.13.1" />
-		<PackageReference Include="NUnit3TestAdapter" Version="3.17.0" />
-		<PackageReference Include="coverlet.collector" Version="3.0.2" />
-	</ItemGroup>
-
-	<ItemGroup>
-		<ProjectReference Include="../EduVpnCommon.csproj" />
-	</ItemGroup>
-
-</Project>
diff --git a/wrappers/csharp/EduVpnCommonTests/VerifyTests.cs b/wrappers/csharp/EduVpnCommonTests/VerifyTests.cs
deleted file mode 100644
index fba2161..0000000
--- a/wrappers/csharp/EduVpnCommonTests/VerifyTests.cs
+++ /dev/null
@@ -1,82 +0,0 @@
-using System;
-using System.IO;
-using System.Linq;
-using EduVpnCommon;
-using NUnit.Framework;
-
-namespace EduVpnCommonTests
-{
-	[TestFixture(TestOf = typeof(Discovery)), Parallelizable]
-	public class VerifyTests
-	{
-		// Relative to e.g. EduVpnCommonTests/bin/Debug/net5.0
-		readonly string testDataDir_ = $"{TestContext.CurrentContext.TestDirectory}/../../../../../../src/test_data";
-
-		[OneTimeSetUp]
-		public void OneTimeSetUp() =>
-			Discovery.InsecureTestingSetExtraKey(File.ReadLines($"{testDataDir_}/public.key").Last());
-
-		[Test]
-		[TestCase("server_list.json.minisig",       "server_list.json",       "server_list.json")]
-		[TestCase("organization_list.json.minisig", "organization_list.json", "organization_list.json")]
-		public void TestValid(string sigFile, string jsonFile, string expectedFileName) =>
-			Discovery.Verify(
-				File.ReadAllBytes($"{testDataDir_}/{sigFile}"),
-				File.ReadAllBytes($"{testDataDir_}/{jsonFile}"),
-				expectedFileName,
-				DateTimeOffset.FromUnixTimeSeconds(10));
-
-		[Test]
-		[TestCase("server_list.json.minisig", "server_list.json", "server_list.json")]
-		public void TestValidSegment(string sigFile, string jsonFile, string expectedFileName)
-		{
-			var bytes = new byte[] { 1, 2, 3 }.Concat(File.ReadAllBytes($"{testDataDir_}/{jsonFile}"))
-				.Concat(new byte[] { 1, 2, 3 }).ToArray();
-			Discovery.Verify(
-				File.ReadAllBytes($"{testDataDir_}/{sigFile}"),
-				new(bytes, 3, bytes.Length - 3 - 3),
-				expectedFileName,
-				DateTimeOffset.UnixEpoch);
-		}
-
-		[Test]
-		[TestCase("random.txt", "server_list.json", "server_list.json")]
-		public void TestInvalidSignature(string sigFile, string jsonFile, string expectedFileName) =>
-			Assert.Throws<InvalidSignatureException>(
-				() => Discovery.Verify(
-					File.ReadAllBytes($"{testDataDir_}/{sigFile}"),
-					File.ReadAllBytes($"{testDataDir_}/{jsonFile}"),
-					expectedFileName,
-					DateTimeOffset.UnixEpoch));
-
-		[Test]
-		[TestCase("server_list.json.wrong_key.minisig", "server_list.json", "server_list.json")]
-		public void TestWrongKey(string sigFile, string jsonFile, string expectedFileName) =>
-			Assert.Throws<InvalidSignatureUnknownKeyException>(
-				() => Discovery.Verify(
-					File.ReadAllBytes($"{testDataDir_}/{sigFile}"),
-					File.ReadAllBytes($"{testDataDir_}/{jsonFile}"),
-					expectedFileName,
-					DateTimeOffset.UnixEpoch));
-
-		[Test]
-		[TestCase("server_list.json.minisig", "server_list.json", "server_list.json")]
-		public void TestOldSignature(string sigFile, string jsonFile, string expectedFileName) =>
-			Assert.Throws<SignatureTooOldException>(
-				() => Discovery.Verify(
-					File.ReadAllBytes($"{testDataDir_}/{sigFile}"),
-					File.ReadAllBytes($"{testDataDir_}/{jsonFile}"),
-					expectedFileName,
-					DateTimeOffset.FromUnixTimeSeconds(11)));
-
-		[Test]
-		[TestCase("other_list.json.minisig", "other_list.json", "other_list.json")]
-		public void TestUnknownExpectedFile(string sigFile, string jsonFile, string expectedFileName) =>
-			Assert.Throws<ArgumentException>(
-				() => Discovery.Verify(
-					File.ReadAllBytes($"{testDataDir_}/{sigFile}"),
-					File.ReadAllBytes($"{testDataDir_}/{jsonFile}"),
-					expectedFileName,
-					DateTimeOffset.UnixEpoch));
-	}
-}
diff --git a/wrappers/csharp/Makefile b/wrappers/csharp/Makefile
deleted file mode 100644
index 187ddbd..0000000
--- a/wrappers/csharp/Makefile
+++ /dev/null
@@ -1,19 +0,0 @@
-.PHONY: build pack test clean
-
-EXPORTS_PATH ?= ../../exports
-include $(EXPORTS_PATH)/common.mk
-
-# Export, see EduVpnCommon.props
-export EXPORTS_LIB_PATH
-
-build:
-	dotnet publish EduVpnCommon.csproj --configuration Release
-
-pack:
-	dotnet pack EduVpnCommon.csproj --configuration Release
-
-test: .try-build-lib
-	dotnet test
-
-clean:
-	rm -rf bin/ obj/ EduVpnCommonTests/bin/ EduVpnCommonTests/obj/
diff --git a/wrappers/csharp/README.md b/wrappers/csharp/README.md
deleted file mode 100644
index 1ff1123..0000000
--- a/wrappers/csharp/README.md
+++ /dev/null
@@ -1,43 +0,0 @@
-# C# wrapper
-
-## Requirements
-
-You will need to install the [.NET SDK](https://dotnet.microsoft.com/download), which includes the `dotnet` tool. The
-wrapper targets .NET Standard 2.0, which means that at least .NET Core 2.0 is required (.NET 5+ is also fine). For the
-tests, .NET 5 is required. (Or change `<TargetFramework>` in EduVpnCommonTests.csproj to e.g. `net6.0` to use newer
-versions.)
-
-## Build & test
-
-First build the shared Go library. Next:
-
-Build `EduVpnCommon` (Release):
-
-```shell
-make
-```
-
-Build as nupkg, including shared Go library for all platforms built in `exports/lib/`:
-
-```shell
-make pack
-```
-
-If you do not build this as part of the full repository, specify `EXPORTS_PATH="path/to/exports-folder"`
-when calling make. This folder must contain `common.mk` and the `lib/` folder with built libraries.
-
-The wrapper targets .NET Standard 2.0, which means that it can be referenced by projects using either .NET Framework
-4.6.1+, .NET Core 2.0+, or .NET 5+.
-
-Currently, directly referencing the project may not work (with `System.BadImageFormatException`) if you have multiple
-dynamic libraries compiled in the `exports/lib/` folder. If you instead add the `.nupkg`, e.g. with one of the
-methods [here](https://stackoverflow.com/q/43400069) or [here](https://stackoverflow.com/q/10240029), it automatically
-copies the correct library.
-
-This also means that tests may fail if you have multiple dynamic libraries compiled!
-
-Test:
-
-```shell
-make test
-```