using System;

using System.Collections.Generic;

using System.IO;

using System.Security.Cryptography;

namespace SourceGit.Models

{

public record SSHKeyType(string Name, string Description, string Cmdline)

{

public static readonly List<SSHKeyType> Supported = [

new SSHKeyType("ED25519", "Recommended", "-t ed25519"),

new SSHKeyType("RSA", "4096 Bits", "-t rsa -b 4096"),

];

}

public class SSHKeyPair

{

public string PrivateKeyPath { get; set; }

public string PublicKeyPath { get; set; }

public string RawPublicKey { get; set; }

public string Fingerprint { get; set; } = "--- (invalid)";

public string Name => Path.GetFileName(PrivateKeyPath);

public SSHKeyPair(string privateKey, string publicKey)

{

PrivateKeyPath = privateKey;

PublicKeyPath = publicKey;

RawPublicKey = File.ReadAllText(publicKey);

var parts = RawPublicKey.Split(' ', StringSplitOptions.RemoveEmptyEntries);

if (parts.Length != 3)

return;

try

{

var blob = Convert.FromBase64String(parts[1]);

Fingerprint = "SHA256:" + Convert.ToBase64String(SHA256.HashData(blob)).TrimEnd('=');

}

catch

{

// Ignore errors and keep the fingerprint as invalid

}

}

}

}