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1 files changed, 66 insertions, 0 deletions

diff --git a/back-end/libs/NVault.VaultExtensions/src/KvVaultStorage.cs b/back-end/libs/NVault.VaultExtensions/src/KvVaultStorage.cs
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index 0000000..b679404
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+++ b/back-end/libs/NVault.VaultExtensions/src/KvVaultStorage.cs
@@ -0,0 +1,66 @@
+// Copyright (C) 2023 Vaughn Nugent
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as
+// published by the Free Software Foundation, either version 3 of the
+// License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+using System.Threading.Tasks;
+
+using VaultSharp;
+
+using VNLib.Utils.Memory;
+
+namespace NVault.VaultExtensions
+{
+    /// <summary>
+    /// An abstract kv storage implementation that uses the vault client to store secrets
+    /// </summary>
+    public abstract class KvVaultStorage : IKvVaultStore
+    {
+        /// <summary>
+        /// The vault client
+        /// </summary>
+        protected abstract IVaultClient Client { get; }
+
+        /// <summary>
+        /// The storage scope
+        /// </summary>
+        protected abstract IVaultKvClientScope Scope { get; }
+
+        public virtual Task DeleteSecretAsync(VaultUserScope user, string path)
+        {
+            string tPath = TranslatePath(path);
+            return Client.DeleteSecretAsync(Scope, user, tPath);
+        }
+
+        public virtual Task SetSecretAsync(VaultUserScope user, string path, PrivateString secret)
+        {
+            string tPath = TranslatePath(path);
+            return Client.SetSecretAsync(Scope, user, tPath, secret);
+        }
+
+        public virtual Task<PrivateString?> GetSecretAsync(VaultUserScope user, string path)
+        {
+            string tPath = TranslatePath(path);
+            return Client.GetSecretAsync(Scope, user, tPath);
+        }
+
+        /// <summary>
+        /// Translates a realtive item path to a full path 
+        /// within the scope of the storage. This may be used to 
+        /// extend the scope of the operation
+        /// </summary>
+        /// <param name="path">The item path to scope</param>
+        /// <returns>The further scoped vault path for the item</returns>
+        public virtual string TranslatePath(string path) => path;
+    }
+}
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