feat: implement secure config and machine id key generator

src/StevanFreeborn.Extensions.Configuration.Secure/Configuration/SecureConfig.cs

@@ -1,3 +1,5 @@
+using System.Text.Json;
+
 using StevanFreeborn.Extensions.Configuration.Secure.Cryptography;
 using StevanFreeborn.Extensions.Configuration.Secure.Storage;
 
@@ -5,7 +7,7 @@ namespace StevanFreeborn.Extensions.Configuration.Secure.Configuration;
 
 internal interface ISecureConfig
 {
-  Task DeleteAsync<t>(string key, CancellationToken ct = default);
+  Task<bool> DeleteAsync(string key, CancellationToken ct = default);
   Task<T?> GetAsync<T>(string key, CancellationToken ct = default);
   Task SetAsync<T>(string key, T value, CancellationToken ct = default);
 }
@@ -23,16 +25,42 @@ internal sealed class SecureConfig(
 
   public async Task SetAsync<T>(string key, T value, CancellationToken ct = default)
   {
-    throw new NotImplementedException();
+    if (string.IsNullOrWhiteSpace(key))
+    {
+      throw new ArgumentNullException(nameof(key));
+    }
+
+    if (value is null)
+    {
+      throw new ArgumentNullException(nameof(value));
+    }
+
+    var json = JsonSerializer.Serialize(value);
+    var encryptedValue = _cryptoProvider.Encrypt(json);
+
+    await _storageProvider.WriteAsync(key, encryptedValue, ct).ConfigureAwait(false);
   }
 
   public async Task<T?> GetAsync<T>(string key, CancellationToken ct = default)
   {
-    throw new NotImplementedException();
+    if (string.IsNullOrEmpty(key))
+    {
+      throw new ArgumentNullException(nameof(key));
+    }
+
+    var encryptedData = await _storageProvider.ReadAsync(key, ct).ConfigureAwait(false);
+
+    if (string.IsNullOrWhiteSpace(encryptedData))
+    {
+      return default;
+    }
+
+    var data = _cryptoProvider.Decrypt(encryptedData);
+    return JsonSerializer.Deserialize<T>(data);
   }
 
-  public async Task DeleteAsync<t>(string key, CancellationToken ct = default)
+  public Task<bool> DeleteAsync(string key, CancellationToken ct = default)
   {
-    throw new NotImplementedException();
+    return _storageProvider.DeleteAsync(key, ct);
   }
 }