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scadaproj/ZB.MOM.WW.Secrets/tests/ZB.MOM.WW.Secrets.Ui.Tests/Fakes/FakeCipher.cs
T

46 lines
1.5 KiB
C#

using System.Text;
using ZB.MOM.WW.Secrets.Abstractions;
namespace ZB.MOM.WW.Secrets.Ui.Tests.Fakes;
/// <summary>
/// A trivial, reversible <see cref="ISecretCipher"/> stand-in for UI tests. It does not perform real
/// cryptography — it simply carries the UTF-8 plaintext in <see cref="StoredSecret.Ciphertext"/> so a
/// test can prove the editor's encrypt→upsert round-trips back to the entered value. Never used in
/// production. A <see cref="FailDecrypt"/> flag lets a test drive the decrypt-failure reveal path.
/// </summary>
public sealed class FakeCipher : ISecretCipher
{
/// <summary>When <c>true</c>, <see cref="Decrypt"/> throws to exercise the failure path.</summary>
public bool FailDecrypt { get; set; }
/// <inheritdoc />
public StoredSecret Encrypt(SecretName name, string plaintext, SecretContentType contentType)
=> new()
{
Name = name,
ContentType = contentType,
Ciphertext = Encoding.UTF8.GetBytes(plaintext),
Nonce = [1, 2, 3],
Tag = [4, 5, 6],
WrappedDek = [7, 8, 9],
WrapNonce = [10, 11, 12],
WrapTag = [13, 14, 15],
KekId = "fake-kek",
Revision = 0,
CreatedUtc = default,
UpdatedUtc = default,
};
/// <inheritdoc />
public string Decrypt(StoredSecret secret)
{
if (FailDecrypt)
{
throw new SecretDecryptionException("Fake decrypt failure.");
}
return Encoding.UTF8.GetString(secret.Ciphertext);
}
}