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Smallest file web server
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| using System; | |
| using System.IO; | |
| using System.Net; | |
| using System.Text; | |
| using System.Web; | |
| public class HttpFileServer : IDisposable | |
| { | |
| private readonly string rootPath; | |
| private const int bufferSize = 1024*512; //512KB | |
| private readonly HttpListener http; | |
| public HttpFileServer(string rootPath) | |
| { | |
| this.rootPath = rootPath; | |
| http = new HttpListener(); | |
| http.Prefixes.Add("http://localhost:8889/"); | |
| http.Start(); | |
| http.BeginGetContext(requestWait, null); | |
| } | |
| public void Dispose() | |
| { | |
| http.Stop(); | |
| } | |
| private void requestWait(IAsyncResult ar) | |
| { | |
| if (!http.IsListening) | |
| return; | |
| var c = http.EndGetContext(ar); | |
| http.BeginGetContext(requestWait, null); | |
| var url = tuneUrl(c.Request.RawUrl); | |
| var fullPath = string.IsNullOrEmpty(url) ? rootPath : Path.Combine(rootPath, url); | |
| if (Directory.Exists(fullPath)) | |
| returnDirContents(c, fullPath); | |
| else if (File.Exists(fullPath)) | |
| returnFile(c, fullPath); | |
| else | |
| return404(c); | |
| } | |
| private void returnDirContents(HttpListenerContext context, string dirPath) | |
| { | |
| context.Response.ContentType = "text/html"; | |
| context.Response.ContentEncoding = Encoding.UTF8; | |
| using (var sw = new StreamWriter(context.Response.OutputStream)) | |
| { | |
| sw.WriteLine("<html>"); | |
| sw.WriteLine("<head><meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"></head>"); | |
| sw.WriteLine("<body><ul>"); | |
| var dirs = Directory.GetDirectories(dirPath); | |
| foreach (var d in dirs) | |
| { | |
| var link = d.Replace(rootPath, "").Replace('\\', '/'); | |
| sw.WriteLine("<li><DIR> <a href=\"" + link + "\">" + Path.GetFileName(d) + "</a></li>"); | |
| } | |
| var files = Directory.GetFiles(dirPath); | |
| foreach (var f in files) | |
| { | |
| var link = f.Replace(rootPath, "").Replace('\\', '/'); | |
| sw.WriteLine("<li><a href=\"" + link + "\">" + Path.GetFileName(f) + "</a></li>"); | |
| } | |
| sw.WriteLine("</ul></body></html>"); | |
| } | |
| context.Response.OutputStream.Close(); | |
| } | |
| private static void returnFile(HttpListenerContext context, string filePath) | |
| { | |
| context.Response.ContentType = getcontentType(Path.GetExtension(filePath)); | |
| var buffer = new byte[bufferSize]; | |
| using ( var fs = File.OpenRead(filePath)) | |
| { | |
| context.Response.ContentLength64 = fs.Length; | |
| int read; | |
| while ((read = fs.Read(buffer, 0, buffer.Length)) > 0) | |
| context.Response.OutputStream.Write(buffer, 0, read); | |
| } | |
| context.Response.OutputStream.Close(); | |
| } | |
| private static void return404(HttpListenerContext context) | |
| { | |
| context.Response.StatusCode = 404; | |
| context.Response.Close(); | |
| } | |
| private static string tuneUrl(string url) | |
| { | |
| url = url.Replace('/', '\\'); | |
| url = HttpUtility.UrlDecode(url, Encoding.UTF8); | |
| url = url.Substring(1); | |
| return url; | |
| } | |
| private static string getcontentType(string extension) | |
| { | |
| switch (extension) | |
| { | |
| case ".avi": return "video/x-msvideo"; | |
| case ".css": return "text/css"; | |
| case ".doc": return "application/msword"; | |
| case ".gif": return "image/gif"; | |
| case ".htm": | |
| case ".html": return "text/html"; | |
| case ".jpg": | |
| case ".jpeg": return "image/jpeg"; | |
| case ".js": return "application/x-javascript"; | |
| case ".mp3": return "audio/mpeg"; | |
| case ".png": return "image/png"; | |
| case ".pdf": return "application/pdf"; | |
| case ".ppt": return "application/vnd.ms-powerpoint"; | |
| case ".zip": return "application/zip"; | |
| case ".txt": return "text/plain"; | |
| default: return "application/octet-stream"; | |
| } | |
| } | |
| } |
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