added FileSystemRouter

ln.http.tests/UnitTest1.cs

@@ -26,8 +26,8 @@ namespace ln.http.tests
             HttpRouter testRouter = new HttpRouter(server);
             testRouter.Map(HttpMethod.ANY, "/controller/*", HttpRoutePriority.NORMAL, new TestApiController().Route);
 
-            StaticRouter staticRouter = new StaticRouter(AppContext.BaseDirectory);
-            testRouter.Map(HttpMethod.ANY, "/static/*", staticRouter.Route);
+            FileSystemRouter fileSystemRouter = new FileSystemRouter(AppContext.BaseDirectory);
+            testRouter.Map(HttpMethod.ANY, "/static/*", fileSystemRouter.Route);
             
             HttpListener.DefaultPort = 0;
             HttpListener httpListener = new HttpListener(server);

ln.http/FileSystemRouter.cs

@@ -0,0 +1,92 @@
+// /**
+//  * File: FileSystemRouter.cs
+//  * Author: haraldwolff
+//  *
+//  * This file and it's content is copyrighted by the Author and / or copyright holder.
+//  * Any use wihtout proper permission is illegal and may lead to legal actions.
+//  *
+//  *
+//  **/
+using System;
+using System.IO;
+using System.Collections.Generic;
+using ln.http.mime;
+
+namespace ln.http
+{
+    public class FileSystemRouter : IDisposable
+    {
+        private string _rootPath;
+        public String RootPath
+        {
+            get => _rootPath;
+            private set
+            {
+                _rootPath = Path.GetFullPath(value);
+            }
+        }
+
+        List<string> indexNames = new List<string>();
+        public String[] IndexNames => indexNames.ToArray();
+
+        private HttpServer _httpServer;
+        
+        public FileSystemRouter(HttpServer httpServer, string path)
+        {
+            _httpServer = httpServer;
+            httpServer?.AddRouter(this.Route);
+            
+            if (!Directory.Exists(path))
+                throw new FileNotFoundException();
+
+            RootPath = path;
+            Console.Error.WriteLine("FileSystemRouter created ({0})", RootPath);
+
+            AddIndex("index.html");
+            AddIndex("index.htm");
+        }
+        public FileSystemRouter(string path)
+            :this(null, path)
+        {
+        }
+
+        public void AddIndex(string indexName) => indexNames.Add(indexName);
+        public void RemoveIndex(string indexName) => indexNames.Remove(indexName);
+
+        public bool Route(HttpContext httpContext)
+        {
+            string finalPath = httpContext.RoutableUri.Length > 0 ? Path.Combine(RootPath, httpContext.RoutableUri.Substring(1)) : ".";
+
+            if (Directory.Exists(finalPath))
+            {
+                foreach (string indexName in indexNames)
+                {
+                    string indexFileName = Path.Combine(finalPath, indexName);
+                    if (File.Exists(indexFileName))
+                    {
+                        finalPath = indexFileName;
+                        break;
+                    }
+                }
+            }
+
+            if (File.Exists(finalPath))
+            {
+                lock (this)
+                {
+                    httpContext.Response = new HttpResponse(httpContext.Request, new FileStream(finalPath, FileMode.Open, FileAccess.Read));
+                    httpContext.Response.SetHeader("content-type", MimeTypeMap.GetMimeType(Path.GetExtension(finalPath)));
+                    return true;
+                }
+            }
+            return false;
+        }
+
+        public void Dispose()
+        {
+            _httpServer?.RemoveRouter(this.Route);
+            _httpServer = null;
+        }
+    }
+
+}

ln.http/ln.http.csproj

@@ -10,7 +10,7 @@
     <Copyright>(c) 2020 Harald Wolff-Thobaben</Copyright>
     <PackageTags>http server</PackageTags>
     <LangVersion>9</LangVersion>
-    <PackageVersion>0.6.2</PackageVersion>
+    <PackageVersion>0.6.4</PackageVersion>
     <AssemblyVersion>0.6.2.0</AssemblyVersion>
   </PropertyGroup>