[SM-220] Move identity specific files to identity (#2279)

src/Identity/IdentityServer/AuthorizationCodeStore.cs

@@ -0,0 +1,42 @@
+using IdentityServer4;
+using IdentityServer4.Extensions;
+using IdentityServer4.Models;
+using IdentityServer4.Services;
+using IdentityServer4.Stores;
+using IdentityServer4.Stores.Serialization;
+
+namespace Bit.Identity.IdentityServer;
+
+// ref: https://raw.githubusercontent.com/IdentityServer/IdentityServer4/3.1.3/src/IdentityServer4/src/Stores/Default/DefaultAuthorizationCodeStore.cs
+public class AuthorizationCodeStore : DefaultGrantStore<AuthorizationCode>, IAuthorizationCodeStore
+{
+    public AuthorizationCodeStore(
+        IPersistedGrantStore store,
+        IPersistentGrantSerializer serializer,
+        IHandleGenerationService handleGenerationService,
+        ILogger<DefaultAuthorizationCodeStore> logger)
+        : base(IdentityServerConstants.PersistedGrantTypes.AuthorizationCode, store, serializer,
+              handleGenerationService, logger)
+    { }
+
+    public Task<string> StoreAuthorizationCodeAsync(AuthorizationCode code)
+    {
+        return CreateItemAsync(code, code.ClientId, code.Subject.GetSubjectId(), code.SessionId,
+            code.Description, code.CreationTime, code.Lifetime);
+    }
+
+    public Task<AuthorizationCode> GetAuthorizationCodeAsync(string code)
+    {
+        return GetItemAsync(code);
+    }
+
+    public Task RemoveAuthorizationCodeAsync(string code)
+    {
+        // return RemoveItemAsync(code);
+
+        // We don't want to delete authorization codes during validation.
+        // We'll rely on the authorization code lifecycle for short term validation and the
+        // DatabaseExpiredGrantsJob to clean up old authorization codes.
+        return Task.FromResult(0);
+    }
+}