From 48370c7564fbcb980bdcd7c2bc2a2380d286440f Mon Sep 17 00:00:00 2001
From: Harald Wolff-Thobaben <harald@l--n.de>
Date: Sat, 28 May 2022 19:17:00 +0200
Subject: [PATCH] Added IHttpAuthenticationSource

---
 ln.http/HttpContext.cs               | 17 ++++++++++-------
 ln.http/HttpServer.cs                | 10 ++++++++++
 ln.http/IHttpAuthenticationSource.cs |  7 +++++++
 3 files changed, 27 insertions(+), 7 deletions(-)
 create mode 100644 ln.http/IHttpAuthenticationSource.cs

diff --git a/ln.http/HttpContext.cs b/ln.http/HttpContext.cs
index 27beaea..fb64e84 100644
--- a/ln.http/HttpContext.cs
+++ b/ln.http/HttpContext.cs
@@ -4,17 +4,17 @@ namespace ln.http
 {
     public class HttpContext
     {
-        public HTTPServer HttpServer { get; }
+        public HttpServer HttpServer { get; }
         public HttpRequest Request { get; set; }
         public HttpResponse Response { get; set; }
         public HttpPrincipal AuthenticatedPrincipal { get; private set; }
 
-        public HttpContext(HTTPServer httpServer)
+        public HttpContext(HttpServer httpServer)
         {
             HttpServer = httpServer;
         }
 
-        public HttpContext(HTTPServer httpServer, HttpRequest httpRequest) : this(httpServer)
+        public HttpContext(HttpServer httpServer, HttpRequest httpRequest) : this(httpServer)
         {
             Request = httpRequest;
             RoutableUri = httpRequest.RequestUri.AbsolutePath;
@@ -22,12 +22,15 @@ namespace ln.http
 
         public string RoutableUri { get; set; }
 
-        public bool Authenticate(HttpAuthenticationDelegate authenticationDelegate)
+        public bool Authenticate()
         {
-            if (authenticationDelegate(this, out HttpPrincipal principal))
+            foreach (var authenticationSource in HttpServer.AuthenticationSources)
             {
-                AuthenticatedPrincipal = principal;
-                return true;
+                if (authenticationSource.AuthenticatePrincipal(this, out HttpPrincipal httpPrincipal))
+                {
+                    AuthenticatedPrincipal = httpPrincipal;
+                    return true;
+                }
             }
             return false;
         }
diff --git a/ln.http/HttpServer.cs b/ln.http/HttpServer.cs
index 253af21..64db98f 100644
--- a/ln.http/HttpServer.cs
+++ b/ln.http/HttpServer.cs
@@ -18,6 +18,11 @@ namespace ln.http
 
         public TextWriter LoggingWriter { get; set; }
 
+
+        private HashSet<IHttpAuthenticationSource> _authenticationSources = new HashSet<IHttpAuthenticationSource>();
+        public IEnumerable<IHttpAuthenticationSource> AuthenticationSources => _authenticationSources;
+
+
         public HttpServer() : this(Console.Out)
         {
         }
@@ -31,6 +36,11 @@ namespace ln.http
             AddRouter(router);
         }
 
+        public void RegisterAuthenticationSource(IHttpAuthenticationSource authenticationSource) =>
+            _authenticationSources.Add(authenticationSource);
+        public void UnregisterAuthenticationSource(IHttpAuthenticationSource authenticationSource) =>
+            _authenticationSources.Remove(authenticationSource);
+
         public void AddRouter(HttpRouter httpRouter) => AddRouter(httpRouter.Route);
         public void AddRouter(HttpRouterDelegate routerDelegate) => _routerDelegates.Add(routerDelegate);
 
diff --git a/ln.http/IHttpAuthenticationSource.cs b/ln.http/IHttpAuthenticationSource.cs
new file mode 100644
index 0000000..99bb6c9
--- /dev/null
+++ b/ln.http/IHttpAuthenticationSource.cs
@@ -0,0 +1,7 @@
+namespace ln.http
+{
+    public interface IHttpAuthenticationSource
+    {
+        bool AuthenticatePrincipal(HttpContext httpContext, out HttpPrincipal httpPrincipal);
+    }
+}
\ No newline at end of file