From e17875dad73db33517fd81229c05fba20574bbe4 Mon Sep 17 00:00:00 2001
From: Developer 02 <developer02@didaloghe.onmicrosoft.com>
Date: Mon, 28 Oct 2024 16:58:50 +0100
Subject: [PATCH] =?UTF-8?q?feat(API):=20Methode=20zur=20Injektion=20von=20?=
 =?UTF-8?q?Abh=C3=A4ngigkeiten=20hinzugef=C3=BCgt,=20um=20API-Schl=C3=BCss?=
 =?UTF-8?q?el-Filter=20hinzuzuf=C3=BCgen?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 WorkFlow.API/Attributes/ApiKeyAuthAttribute.cs |  4 ++--
 WorkFlow.API/Extensions/DIExtensions.cs        | 10 ++++++++++
 WorkFlow.API/Filters/ApiKeyAuthFilter.cs       |  2 +-
 WorkFlow.API/Program.cs                        |  4 ++++
 4 files changed, 17 insertions(+), 3 deletions(-)
 create mode 100644 WorkFlow.API/Extensions/DIExtensions.cs

diff --git a/WorkFlow.API/Attributes/ApiKeyAuthAttribute.cs b/WorkFlow.API/Attributes/ApiKeyAuthAttribute.cs
index fc7f7ac..f9a0e64 100644
--- a/WorkFlow.API/Attributes/ApiKeyAuthAttribute.cs
+++ b/WorkFlow.API/Attributes/ApiKeyAuthAttribute.cs
@@ -3,9 +3,9 @@ using WorkFlow.API.Filters;
 
 namespace WorkFlow.API.Attributes
 {
-    public class ApiKeyAuthAttribute : ServiceFilterAttribute
+    public class APIKeyAuthAttribute : ServiceFilterAttribute
     {
-        public ApiKeyAuthAttribute()
+        public APIKeyAuthAttribute()
             : base(typeof(ApiKeyAuthFilter))
         {
         }
diff --git a/WorkFlow.API/Extensions/DIExtensions.cs b/WorkFlow.API/Extensions/DIExtensions.cs
new file mode 100644
index 0000000..24b7dd5
--- /dev/null
+++ b/WorkFlow.API/Extensions/DIExtensions.cs
@@ -0,0 +1,10 @@
+using WorkFlow.API.Filters;
+
+namespace WorkFlow.API.Extensions
+{
+    public static class DIExtensions
+    {
+        public static IServiceCollection AddAPIKeyAuth(this IServiceCollection services, Func<string, bool> isValidKey, string apiKeyHeaderName = "X-API-Key")
+            => services.AddSingleton<APIKeyAuthFilter>(provider => new(isValidKey: isValidKey, apiKeyHeaderName: apiKeyHeaderName));
+    }
+}
\ No newline at end of file
diff --git a/WorkFlow.API/Filters/ApiKeyAuthFilter.cs b/WorkFlow.API/Filters/ApiKeyAuthFilter.cs
index 052b391..25dda53 100644
--- a/WorkFlow.API/Filters/ApiKeyAuthFilter.cs
+++ b/WorkFlow.API/Filters/ApiKeyAuthFilter.cs
@@ -3,7 +3,7 @@ using Microsoft.AspNetCore.Mvc;
 
 namespace WorkFlow.API.Filters
 {
-    public class ApiKeyAuthFilter(Func<string, bool> isValidKey, string apiKeyHeaderName = "X-API-Key") : IAuthorizationFilter
+    public class APIKeyAuthFilter(Func<string, bool> isValidKey, string apiKeyHeaderName = "X-API-Key") : IAuthorizationFilter
     {
         public void OnAuthorization(AuthorizationFilterContext context)
         {
diff --git a/WorkFlow.API/Program.cs b/WorkFlow.API/Program.cs
index adcadf5..6031d68 100644
--- a/WorkFlow.API/Program.cs
+++ b/WorkFlow.API/Program.cs
@@ -10,6 +10,8 @@ using Microsoft.IdentityModel.Tokens;
 using WorkFlow.API.Models;
 using NLog;
 using NLog.Web;
+using WorkFlow.API.Extensions;
+using Microsoft.Extensions.Configuration;
 
 var logger = LogManager.Setup().LoadConfigurationFromAppSettings().GetCurrentClassLogger();
 logger.Info("Logging initialized.");
@@ -34,6 +36,8 @@ try
     {
         Claims = user.ToClaimList().ToDictionary(claim => claim.Type, claim => claim.Value as object)
     });
+    if (config.GetValue<string>("API-Key") is string apiKey)
+        builder.Services.AddApiKeyAuth(key => key == apiKey);
 
     builder.Services.AddControllers();