feat(secrets): default resolver with TTL cache + audit (never logs plaintext)

2026-07-15 16:55:24 -04:00
parent 10455ec53b
commit 79ebd14baa
7 changed files with 435 additions and 0 deletions
@@ -0,0 +1,51 @@
+using System.Collections.Concurrent;
+using ZB.MOM.WW.Secrets.Abstractions;
+
+namespace ZB.MOM.WW.Secrets.Tests.Fakes;
+
+/// <summary>
+/// An in-memory <see cref="ISecretStore"/> test double that counts <see cref="GetAsync"/> calls so
+/// a test can prove a resolver cache hit (or miss). Only the read path exercised by
+/// <c>DefaultSecretResolver</c> is meaningfully implemented; the mutation / replication members
+/// throw so an accidental dependency on them fails loudly rather than silently no-ops.
+/// </summary>
+public sealed class CountingSecretStore : ISecretStore
+{
+    private readonly ConcurrentDictionary<string, StoredSecret> _rows = new(StringComparer.Ordinal);
+    private int _getCount;
+
+    /// <summary>The number of times <see cref="GetAsync"/> has been invoked.</summary>
+    public int GetCount => Volatile.Read(ref _getCount);
+
+    /// <summary>Seeds (or overwrites) a row keyed by its normalized name.</summary>
+    /// <param name="row">The encrypted row to seed.</param>
+    public void Seed(StoredSecret row) => _rows[row.Name.Value] = row;
+
+    /// <inheritdoc />
+    public Task<StoredSecret?> GetAsync(SecretName name, CancellationToken ct)
+    {
+        Interlocked.Increment(ref _getCount);
+        _rows.TryGetValue(name.Value, out StoredSecret? row);
+        return Task.FromResult(row);
+    }
+
+    /// <inheritdoc />
+    public Task UpsertAsync(StoredSecret row, CancellationToken ct) =>
+        throw new NotSupportedException();
+
+    /// <inheritdoc />
+    public Task<bool> DeleteAsync(SecretName name, string? actor, CancellationToken ct) =>
+        throw new NotSupportedException();
+
+    /// <inheritdoc />
+    public Task<IReadOnlyList<SecretMetadata>> ListAsync(bool includeDeleted, CancellationToken ct) =>
+        throw new NotSupportedException();
+
+    /// <inheritdoc />
+    public Task<IReadOnlyList<SecretManifestEntry>> GetManifestAsync(CancellationToken ct) =>
+        throw new NotSupportedException();
+
+    /// <inheritdoc />
+    public Task ApplyReplicatedAsync(StoredSecret row, CancellationToken ct) =>
+        throw new NotSupportedException();
+}