source: binary-improvements/MapRendering/Web/Handlers/StaticHandler.cs@ 287

using System;
using System.Collections.Generic;
using System.IO;
using System.Net;
using System.Threading;

namespace AllocsFixes.NetConnections.Servers.Web.Handlers
{
        public class StaticHandler : PathHandler
        {
                private string datapath;
                private string staticPart;
                private AllocsFixes.FileCache.AbstractCache cache;
                private bool logMissingFiles;

                public StaticHandler (string staticPart, string filePath, AllocsFixes.FileCache.AbstractCache cache, bool logMissingFiles, string moduleName = null) : base(moduleName)
                {
                        this.staticPart = staticPart;
                        this.datapath = filePath;
                        this.cache = cache;
                        this.logMissingFiles = logMissingFiles;
                }

                public override void HandleRequest (HttpListenerRequest req, HttpListenerResponse resp, WebConnection user, int permissionLevel)
                {
                        string fn = req.Url.AbsolutePath.Remove (0, staticPart.Length);

                        byte[] content = cache.GetFileContent (datapath + "/" + fn);

                        if (content != null) {
                                resp.ContentType = MimeType.GetMimeType (Path.GetExtension (fn));
                                resp.ContentLength64 = content.Length;
                                resp.OutputStream.Write (content, 0, content.Length);
                        } else {
                                resp.StatusCode = (int)HttpStatusCode.NotFound;
                                if (logMissingFiles)
                                        Log.Out ("Web:Static:FileNotFound: \"" + req.Url.AbsolutePath + "\" @ \"" + datapath + "/" + req.Url.AbsolutePath.Remove (0, staticPart.Length) + "\"");
                                return;
                        }
                }
        }
}