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Implement hashi corp vault

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This commit is contained in:
Sergio Matias Urquin
2025-06-01 21:03:03 -06:00
parent 140eab163a
commit 5410a9f9a0
4 changed files with 170 additions and 92 deletions
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19
Core.Blueprint.KeyVault/Configuration/RegisterBlueprint.cs
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@@ -15,6 +15,23 @@ namespace Core.Blueprint.KeyVault.Configuration
public static class RegisterBlueprint
{
public static IServiceCollection AddKeyVault(this IServiceCollection services, IConfiguration configuration)
{
var environment = Environment.GetEnvironmentVariable("ASPNETCORE_ENVIRONMENT") ?? string.Empty;
if(environment == "Local")
{
var vaultSettings = configuration.GetSection("Vault").Get<VaultOptions>();
if (string.IsNullOrEmpty(vaultSettings?.Address) || string.IsNullOrEmpty(vaultSettings.Token) ||
string.IsNullOrEmpty(vaultSettings?.SecretPath) || string.IsNullOrEmpty(vaultSettings.SecretMount))
{
throw new ArgumentNullException("Vault options are not configured correctly.");
}
services.AddSingleton(vaultSettings);
}
else
{
var keyVaultUriString = configuration["ConnectionStrings:KeyVaultDAL"];
@@ -25,8 +42,8 @@ namespace Core.Blueprint.KeyVault.Configuration
var keyVaultUri = new Uri(keyVaultUriString);
// Register SecretClient as a singleton
services.AddSingleton(_ => new SecretClient(keyVaultUri, new DefaultAzureCredential()));
}
services.AddSingleton<IKeyVaultProvider, KeyVaultProvider>();
return services;

16
Core.Blueprint.KeyVault/Configuration/VaultOptions.cs Normal file
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@@ -0,0 +1,16 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace Core.Blueprint.KeyVault.Configuration
{
public class VaultOptions
{
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;
}
}

2
Core.Blueprint.KeyVault/Core.Blueprint.KeyVault.csproj
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@@ -10,7 +10,9 @@
<PackageReference Include="Azure.Identity" Version="1.13.1" />
<PackageReference Include="Azure.Security.KeyVault.Secrets" Version="4.7.0" />
<PackageReference Include="Microsoft.Extensions.Configuration.Abstractions" Version="9.0.0" />
<PackageReference Include="Microsoft.Extensions.Configuration.Binder" Version="9.0.0" />
<PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="9.0.0" />
<PackageReference Include="VaultSharp" Version="1.17.5.1" />
</ItemGroup>
</Project>

97
Core.Blueprint.KeyVault/Provider/KeyVaultProvider.cs
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@@ -1,32 +1,62 @@
using Azure;
using Azure.Security.KeyVault.Secrets;
using Azure.Security.KeyVault.Secrets;
using VaultSharp;
using VaultSharp.V1.AuthMethods.Token;
using Core.Blueprint.KeyVault.Configuration;
using Microsoft.Extensions.Configuration;
namespace Core.Blueprint.KeyVault
namespace Core.Blueprint.KeyVault;
/// <summary>
/// Provides operations for managing secrets in Azure Key Vault or HashiCorp Vault transparently based on the environment.
/// </summary>
public sealed class KeyVaultProvider : IKeyVaultProvider
{
/// <summary>
/// Provides operations for managing secrets in Azure Key Vault.
/// </summary>
public sealed class KeyVaultProvider(SecretClient keyVaultProvider): IKeyVaultProvider
private readonly string environment;
private readonly SecretClient? azureClient;
private readonly IVaultClient? hashiClient;
private readonly VaultOptions? hashiOptions;
public KeyVaultProvider(IConfiguration configuration)
{
environment = Environment.GetEnvironmentVariable("ASPNETCORE_ENVIRONMENT") ?? "Production";
if (environment == "Local")
{
hashiOptions = configuration.GetSection("Vault").Get<VaultOptions>();
hashiClient = new VaultClient(new VaultClientSettings(
hashiOptions?.Address,
new TokenAuthMethodInfo(hashiOptions?.Token)
));
}
}
/// <summary>
/// Creates a new secret in Azure Key Vault.
/// 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)
{
KeyVaultResponse _response = new();
KeyVaultSecret azureResponse = await keyVaultProvider.SetSecretAsync(new KeyVaultSecret(keyVaultRequest.Name, keyVaultRequest.Value), cancellationToken);
if (environment == "Local")
{
await hashiClient!.V1.Secrets.KeyValue.V2.WriteSecretAsync(
path: hashiOptions!.SecretPath,
data: new Dictionary<string, object> { { keyVaultRequest.Name, keyVaultRequest.Value } },
mountPoint: hashiOptions.SecretMount
);
return new KeyVaultResponse { Name = keyVaultRequest.Name, Value = keyVaultRequest.Value };
}
_response.Value = azureResponse.Value;
_response.Name = azureResponse.Name;
KeyVaultSecret azureResponse = await azureClient!.SetSecretAsync(
new KeyVaultSecret(keyVaultRequest.Name, keyVaultRequest.Value), cancellationToken
);
return _response;
return new KeyVaultResponse { Name = azureResponse.Name, Value = azureResponse.Value };
}
/// <summary>
/// Deletes a secret from Azure Key Vault if it exists.
/// Deletes a secret from Azure Key Vault or HashiCorp Vault if it exists.
/// </summary>
/// <param name="secretName">The name of the secret to delete.</param>
/// <param name="cancellationToken">The cancellation token to cancel the operation.</param>
@@ -35,10 +65,20 @@ namespace Core.Blueprint.KeyVault
/// </returns>
public async ValueTask<Tuple<string, bool>> DeleteSecretAsync(string secretName, CancellationToken cancellationToken)
{
if (environment == "Local")
{
await hashiClient!.V1.Secrets.KeyValue.V2.DeleteSecretAsync(
path: hashiOptions!.SecretPath,
mountPoint: hashiOptions.SecretMount
);
return new("Key Deleted", true);
}
var existingSecret = await this.GetSecretAsync(secretName, cancellationToken);
if (existingSecret != null)
{
await keyVaultProvider.StartDeleteSecretAsync(secretName, cancellationToken);
await azureClient!.StartDeleteSecretAsync(secretName, cancellationToken);
return new("Key Deleted", true);
}
@@ -46,7 +86,7 @@ namespace Core.Blueprint.KeyVault
}
/// <summary>
/// Retrieves a secret from Azure Key Vault.
/// 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>
@@ -56,18 +96,27 @@ namespace Core.Blueprint.KeyVault
/// </returns>
public async ValueTask<Tuple<KeyVaultResponse, string?>> GetSecretAsync(string secretName, CancellationToken cancellationToken)
{
KeyVaultSecret azureResponse = await keyVaultProvider.GetSecretAsync(secretName, cancellationToken: cancellationToken);
if (azureResponse == null)
if (environment == "Local")
{
var secret = await hashiClient!.V1.Secrets.KeyValue.V2.ReadSecretAsync(
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);
}
return new(new KeyVaultResponse(), "Key Not Found");
}
KeyVaultSecret azureResponse = await azureClient!.GetSecretAsync(secretName, cancellationToken: cancellationToken);
return new(new KeyVaultResponse { Name = secretName, Value = azureResponse.Value }, string.Empty);
}
/// <summary>
/// Updates an existing secret in Azure Key Vault. If the secret does not exist, an error is returned.
/// 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>
@@ -76,18 +125,12 @@ namespace Core.Blueprint.KeyVault
/// </returns>
public async ValueTask<Tuple<KeyVaultResponse, string>> UpdateSecretAsync(KeyVaultRequest newSecret, CancellationToken cancellationToken)
{
KeyVaultResponse _response = new();
var existingSecret = await this.GetSecretAsync(newSecret.Name, cancellationToken);
if (existingSecret == null)
{
return new(new KeyVaultResponse(), "Key Not Found");
}
KeyVaultSecret azureResponse = await keyVaultProvider.SetSecretAsync(new KeyVaultSecret(newSecret.Name, newSecret.Value), cancellationToken);
_response.Value = azureResponse.Value;
_response.Name = azureResponse.Name;
return new(new KeyVaultResponse { Name = newSecret.Name, Value = azureResponse.Value }, string.Empty);
}
return new(await CreateSecretAsync(newSecret, cancellationToken), string.Empty);
}
}