Add project files

StalwartSimpleLoginMiddleware/Services/ApiKeyProvider.cs

@@ -0,0 +1,40 @@
+using AspNetCore.Authentication.ApiKey;
+using StalwartSimpleLoginMiddleware.Models;
+using StalwartSimpleLoginMiddleware.Repositories;
+
+namespace StalwartSimpleLoginMiddleware.Services;
+
+public class ApiKeyProvider : ApiKeyEvents
+{
+    public ApiKeyProvider()
+    {
+        OnValidateKey = OnValidateKeyAsync;
+    }
+
+    private static async Task OnValidateKeyAsync(ApiKeyValidateKeyContext context)
+    {
+        var apiKeyRepository = context.HttpContext.RequestServices.GetRequiredService<IApiKeyRepository>();
+        var apiKey = await apiKeyRepository.GetApiKeyAsync(context.ApiKey);
+
+        if (apiKey == null || !apiKey.Key.Equals(context.ApiKey, StringComparison.OrdinalIgnoreCase))
+        {
+            context.ValidationFailed();
+            return;
+        }
+
+        context.ValidationSucceeded(apiKey.OwnerName, apiKey.Claims);
+
+        var apiKeyAccessor = context.HttpContext.RequestServices.GetRequiredService<IApiKeyAccessor>();
+        apiKeyAccessor.ApiKey = apiKey;
+        apiKeyAccessor.Metadata = await apiKeyRepository.GetMetadataAsync(context.ApiKey);
+    }
+
+    public override async Task HandleChallengeAsync(ApiKeyHandleChallengeContext context)
+    {
+        context.Response.StatusCode = StatusCodes.Status401Unauthorized;
+
+        await context.Response.WriteAsync("{\"Unauthorized\": 401}");
+
+        context.Handled();
+    }
+}