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feat(CryptFactory): RSADecryptorKeyFormatter Funktionseigenschaft hinzugefügt, um standardisierte Schlüsselnamen zu erstellen

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Developer 02 2024-11-20 14:18:55 +01:00
parent 6ab1777f7c
commit 5c5a6bd181
2 changed files with 26 additions and 1 deletions
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2
DigitalData.Core.Abstractions/Security/ICryptFactory.cs
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@ -18,6 +18,8 @@ namespace DigitalData.Core.Abstractions.Security
string EncryptedPrivateKeyPemLabel { get; init; }
Func<IRSADecryptor, string, string, string, string> RSADecryptorKeyFormatter { get; }
string CreateRSAPrivateKeyPem(int? keySizeInBits = null);
string CreateEncryptedPrivateKeyPem(

25
DigitalData.Core.Security/CryptFactory.cs
View File

@ -1,5 +1,6 @@
using DigitalData.Core.Abstractions.Security;
using Microsoft.Extensions.Logging;
using System.Text;
namespace DigitalData.Core.Security
{
@ -9,13 +10,35 @@ namespace DigitalData.Core.Security
public IRSADecryptor this[string key] { get => _decryptors[key]; set => _decryptors[key] = value; }
public CryptFactory(ILogger<CryptFactory> logger, IDictionary<string, IRSADecryptor> decryptors) : base()
public Func<IRSADecryptor, string, string, string, string> RSADecryptorKeyFormatter { get; }
public CryptFactory(ILogger<CryptFactory> logger, IDictionary<string, IRSADecryptor> decryptors, Func<IRSADecryptor, string, string, string, string> rsaDecryptorKeyFormatter) : base()
{
_decryptors = decryptors ?? new Dictionary<string, IRSADecryptor>();
RSADecryptorKeyFormatter = rsaDecryptorKeyFormatter;
logger?.LogInformation("Core.Secrets version: {Version}, Created on: {CreationDate}.", Secrets.Version, Secrets.CreationDate.ToString("dd.MM.yyyy"));
}
public bool TryGetRSADecryptor(string key, out IRSADecryptor? decryptor) => _decryptors.TryGetValue(key, out decryptor);
public static string DefaultRSADecryptorKeyFormatter(IRSADecryptor decryptor, string issuer, string audience, string separator = "-_-")
{
var sb = new StringBuilder(issuer.Length + audience.Length + separator.Length * 2 + 20);
sb.Append(issuer).Append(separator).Append(audience).Append(separator);
if (decryptor.HasEncryptedPem)
sb.Append("e-private").Append(separator).Append(decryptor.PasswordVersion);
else
sb.Append("private");
var rsaKey = sb.Append(".pem").ToString();
if (Path.GetInvalidFileNameChars().Any(rsaKey.Contains))
throw new ArgumentException("RSA decryptor key name creation is forbidden. The key contains forbidden characters that are not allowed in file naming.", nameof(rsaKey));
return rsaKey;
}
}
}