Implement hashicorp vault

Core.Blueprint.KeyVault/Configuration/RegisterBlueprint.cs

@@ -23,8 +23,8 @@ namespace Core.Blueprint.KeyVault.Configuration
             {
                 var vaultSettings = configuration.GetSection("Vault").Get<VaultOptions>();
 
-                if (string.IsNullOrEmpty(vaultSettings?.Address) || string.IsNullOrEmpty(vaultSettings.Token) ||
+                if (string.IsNullOrEmpty(vaultSettings?.Address) || string.IsNullOrEmpty(vaultSettings.Token)
-                    string.IsNullOrEmpty(vaultSettings?.SecretPath) || string.IsNullOrEmpty(vaultSettings.SecretMount))
+                    || string.IsNullOrEmpty(vaultSettings.SecretMount))
                 {
                     throw new ArgumentNullException("Vault options are not configured correctly.");
                 }

Core.Blueprint.KeyVault/Configuration/VaultOptions.cs

@@ -11,6 +11,5 @@ namespace Core.Blueprint.KeyVault.Configuration
         public string Address { get; set; } = string.Empty;
         public string Token { get; set; } = string.Empty;
         public string SecretMount { get; set; } = string.Empty;
-        public string SecretPath { get; set; } = string.Empty;
     }
 }

Core.Blueprint.KeyVault/Provider/KeyVaultProvider.cs

@@ -3,6 +3,8 @@ using VaultSharp;
 using VaultSharp.V1.AuthMethods.Token;
 using Core.Blueprint.KeyVault.Configuration;
 using Microsoft.Extensions.Configuration;
+using System.Net.Http.Json;
+using VaultSharp.Core;
 
 namespace Core.Blueprint.KeyVault;
 
@@ -28,22 +30,24 @@ public sealed class KeyVaultProvider : IKeyVaultProvider
                 new TokenAuthMethodInfo(hashiOptions?.Token)
             ));
         }
+        else
+        {
+            var keyVaultUri = new Uri(configuration["ConnectionStrings:KeyVaultDAL"]!);
+            azureClient = new SecretClient(keyVaultUri, new Azure.Identity.DefaultAzureCredential());
+        }
     }
 
     /// <summary>
     /// Creates a new secret in Azure Key Vault or HashiCorp Vault.
     /// </summary>
-    /// <param name="keyVaultRequest">The request containing the name and value of the secret.</param>
-    /// <param name="cancellationToken">The cancellation token to cancel the operation.</param>
-    /// <returns>A <see cref="KeyVaultResponse"/> containing the details of the created secret.</returns>
     public async ValueTask<KeyVaultResponse> CreateSecretAsync(KeyVaultRequest keyVaultRequest, CancellationToken cancellationToken)
     {
         if (environment == "Local")
         {
             await hashiClient!.V1.Secrets.KeyValue.V2.WriteSecretAsync(
-                path: hashiOptions!.SecretPath,
+                path: keyVaultRequest.Name,
-                data: new Dictionary<string, object> { { keyVaultRequest.Name, keyVaultRequest.Value } },
+                data: new Dictionary<string, object> { { "value", keyVaultRequest.Value } },
-                mountPoint: hashiOptions.SecretMount
+                mountPoint: hashiOptions!.SecretMount
             );
             return new KeyVaultResponse { Name = keyVaultRequest.Name, Value = keyVaultRequest.Value };
         }
@@ -56,7 +60,7 @@ public sealed class KeyVaultProvider : IKeyVaultProvider
     }
 
     /// <summary>
-    /// Deletes a secret from Azure Key Vault or HashiCorp Vault if it exists.
+    /// Permanently deletes a secret from Azure Key Vault or HashiCorp Vault (hard delete for Vault).
     /// </summary>
     /// <param name="secretName">The name of the secret to delete.</param>
     /// <param name="cancellationToken">The cancellation token to cancel the operation.</param>
@@ -67,16 +71,11 @@ public sealed class KeyVaultProvider : IKeyVaultProvider
     {
         if (environment == "Local")
         {
-            await hashiClient!.V1.Secrets.KeyValue.V2.DeleteSecretAsync(
+            await DestroyAllSecretVersionsAsync(secretName, cancellationToken);
-                path: hashiOptions!.SecretPath,
-                mountPoint: hashiOptions.SecretMount
-            );
-
-            return new("Key Deleted", true);
         }
 
         var existingSecret = await this.GetSecretAsync(secretName, cancellationToken);
-        if (existingSecret != null)
+        if (existingSecret.Item2 == string.Empty)
         {
             await azureClient!.StartDeleteSecretAsync(secretName, cancellationToken);
             return new("Key Deleted", true);
@@ -85,52 +84,105 @@ public sealed class KeyVaultProvider : IKeyVaultProvider
         return new("Key Not Found", false);
     }
 
+
     /// <summary>
     /// Retrieves a secret from Azure Key Vault or HashiCorp Vault.
     /// </summary>
-    /// <param name="secretName">The name of the secret to retrieve.</param>
-    /// <param name="cancellationToken">The cancellation token to cancel the operation.</param>
-    /// <returns>
-    /// A <see cref="Tuple"/> containing the <see cref="KeyVaultResponse"/> with secret details 
-    /// and an optional error message if the secret was not found.
-    /// </returns>
     public async ValueTask<Tuple<KeyVaultResponse, string?>> GetSecretAsync(string secretName, CancellationToken cancellationToken)
     {
         if (environment == "Local")
         {
-            var secret = await hashiClient!.V1.Secrets.KeyValue.V2.ReadSecretAsync(
+            try
-                path: hashiOptions!.SecretPath,
-                mountPoint: hashiOptions.SecretMount
-            );
-
-            if (secret.Data.Data.TryGetValue(secretName, out var value))
             {
-                return new(new KeyVaultResponse { Name = secretName, Value = value?.ToString() ?? "" }, string.Empty);
+                var secret = await hashiClient!.V1.Secrets.KeyValue.V2.ReadSecretAsync(
-            }
+                    path: secretName,
+                    mountPoint: hashiOptions!.SecretMount
+                );
 
-            return new(new KeyVaultResponse(), "Key Not Found");
+                if (secret.Data.Data.TryGetValue("value", out var value))
+                {
+                    return new(new KeyVaultResponse { Name = secretName, Value = value?.ToString() ?? "" }, string.Empty);
+                }
+
+                return new(new KeyVaultResponse(), "Key Not Found");
+            }
+            catch (VaultSharp.Core.VaultApiException ex) when (ex.HttpStatusCode == System.Net.HttpStatusCode.NotFound)
+            {
+                return new(new KeyVaultResponse(), "Key Not Found");
+            }
         }
 
-        KeyVaultSecret azureResponse = await azureClient!.GetSecretAsync(secretName, cancellationToken: cancellationToken);
+        try
-        return new(new KeyVaultResponse { Name = secretName, Value = azureResponse.Value }, string.Empty);
+        {
+            KeyVaultSecret azureResponse = await azureClient!.GetSecretAsync(secretName, cancellationToken: cancellationToken);
+            return new(new KeyVaultResponse { Name = secretName, Value = azureResponse.Value }, string.Empty);
+        }
+        catch (Azure.RequestFailedException ex) when (ex.Status == 404)
+        {
+            return new(new KeyVaultResponse(), "Key Not Found");
+        }
     }
 
     /// <summary>
     /// Updates an existing secret in Azure Key Vault or HashiCorp Vault. If the secret does not exist, an error is returned.
     /// </summary>
-    /// <param name="newSecret">The updated secret information.</param>
-    /// <param name="cancellationToken">The cancellation token to cancel the operation.</param>
-    /// <returns>
-    /// A <see cref="Tuple"/> containing the updated <see cref="KeyVaultResponse"/> and an optional error message if the secret was not found.
-    /// </returns>
     public async ValueTask<Tuple<KeyVaultResponse, string>> UpdateSecretAsync(KeyVaultRequest newSecret, CancellationToken cancellationToken)
     {
         var existingSecret = await this.GetSecretAsync(newSecret.Name, cancellationToken);
-        if (existingSecret == null)
+        if (!string.IsNullOrEmpty(existingSecret.Item2))
         {
             return new(new KeyVaultResponse(), "Key Not Found");
         }
 
-        return new(await CreateSecretAsync(newSecret, cancellationToken), string.Empty);
+        var updated = await CreateSecretAsync(newSecret, cancellationToken);
+        return new(updated, string.Empty);
+    }
+
+    /// <summary>
+    /// Permanently deletes all versions of a given secret in HashiCorp Vault.
+    /// Returns a tuple indicating the result status and a message.
+    /// </summary>
+    /// <param name="secretName">The secret name/path.</param>
+    /// <param name="cancellationToken">A cancellation token.</param>
+    /// <returns>
+    /// A tuple:
+    /// - <c>bool?</c>: <c>true</c> if deleted, <c>false</c> if no versions, <c>null</c> if not found.
+    /// - <c>string</c>: message explaining the result.
+    /// </returns>
+    private async Task<(bool? WasDeleted, string Message)> DestroyAllSecretVersionsAsync(string secretName, CancellationToken cancellationToken)
+    {
+        Dictionary<string, object> versions;
+
+        try
+        {
+            var metadata = await hashiClient!.V1.Secrets.KeyValue.V2.ReadSecretMetadataAsync(
+                path: secretName,
+                mountPoint: hashiOptions!.SecretMount
+            );
+
+            versions = metadata.Data.Versions.Keys.ToDictionary(k => k, _ => (object)0);
+            if (versions.Count == 0)
+                return (false, "Key exists but contains no versions.");
+        }
+        catch (VaultApiException ex) when (ex.HttpStatusCode == System.Net.HttpStatusCode.NotFound)
+        {
+            return (null, "Key Not Found.");
+        }
+
+        using var httpClient = new HttpClient { BaseAddress = new Uri(hashiOptions.Address) };
+        var request = new HttpRequestMessage(HttpMethod.Post, $"/v1/{hashiOptions.SecretMount}/destroy/{secretName}")
+        {
+            Content = JsonContent.Create(new { versions = versions.Keys.ToArray() })
+        };
+        request.Headers.Add("X-Vault-Token", hashiOptions.Token);
+        var response = await httpClient.SendAsync(request, cancellationToken);
+        response.EnsureSuccessStatusCode();
+
+        await hashiClient.V1.Secrets.KeyValue.V2.DeleteMetadataAsync(
+            path: secretName,
+            mountPoint: hashiOptions.SecretMount
+        );
+
+        return (true, "Key Permanently Deleted.");
     }
 }