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Add project files.
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Ahmed Zamil
416
Esiur/Net/HTTP/HTTPServer.cs
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416
Esiur/Net/HTTP/HTTPServer.cs
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@ -0,0 +1,416 @@
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using System;
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using System.Diagnostics;
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using System.IO;
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using System.Net.Sockets;
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using System.Text;
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using System.Threading;
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using System.Net;
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using System.Collections;
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using System.Collections.Generic;
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using Esiur.Net.Sockets;
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using Esiur.Data;
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using Esiur.Misc;
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using Esiur.Engine;
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using Esiur.Net.Packets;
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using System.Security.Cryptography.X509Certificates;
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using Esiur.Resource;
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namespace Esiur.Net.HTTP
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{
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public class HTTPServer : NetworkServer<HTTPConnection>, IResource
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{
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Dictionary<string, HTTPSession> sessions= new Dictionary<string, HTTPSession>();
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public Instance Instance
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{
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get;
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set;
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}
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[Storable]
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string ip
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{
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get;
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set;
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}
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[Storable]
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ushort port
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{
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get;
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set;
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}
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[Storable]
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uint timeout
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{
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get;
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set;
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}
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[Storable]
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uint clock
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{
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get;
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set;
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}
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[Storable]
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uint maxPost
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{
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get;
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set;
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}
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[Storable]
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bool ssl
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{
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get;
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set;
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}
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[Storable]
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string certificate
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{
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get;
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set;
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}
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//public override void ClientConnected(TClient Sender)
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//{
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//}
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/*
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public DStringDictionary Configurations
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{
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get { return config; }
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}
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*/
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public enum ResponseCodes : int
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{
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HTTP_OK = 200,
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HTTP_NOTFOUND = 404,
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HTTP_SERVERERROR = 500,
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HTTP_MOVED = 301,
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HTTP_NOTMODIFIED = 304,
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HTTP_REDIRECT = 307
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}
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public HTTPSession CreateSession(string id, int timeout)
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{
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var s = new HTTPSession();
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s.Set(id, timeout);
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sessions.Add(id, s);
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return s;
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}
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/*
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protected override void SessionModified(NetworkSession session, string key, object oldValue, object newValue)
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{
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foreach (var instance in Instance.Children)
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{
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var f = (HTTPFilter)instance;
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f.SessionModified(session as HTTPSession, key, oldValue, newValue);
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}
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}
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*/
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//public override object InitializeLifetimeService()
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//{
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// return null;
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//}
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public static string MakeCookie(string Item, string Value, DateTime Expires, string Domain, string Path, bool HttpOnly)
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{
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//Set-Cookie: ckGeneric=CookieBody; expires=Sun, 30-Dec-2001 21:00:00 GMT; domain=.com.au; path=/
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//Set-Cookie: SessionID=another; expires=Fri, 29 Jun 2006 20:47:11 UTC; path=/
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string Cookie = Item + "=" + Value;
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if (Expires.Ticks != 0)
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{
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Cookie += "; expires=" + Expires.ToUniversalTime().ToString("ddd, dd MMM yyyy HH:mm:ss") + " GMT";
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}
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if (Domain != null)
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{
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Cookie += "; domain=" + Domain;
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}
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if (Path != null)
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{
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Cookie += "; path=" + Path;
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}
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if (HttpOnly)
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{
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Cookie += "; HttpOnly";
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}
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return Cookie;
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}
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protected override void ClientDisconnected(HTTPConnection sender)
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{
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Console.WriteLine("OUT: " + this.Connections.Count);
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foreach (IResource resource in Instance.Children)
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{
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if (resource is HTTPFilter)
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{
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(resource as HTTPFilter).ClientDisconnected(sender);
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}
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}
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}
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protected override void DataReceived(HTTPConnection sender, NetworkBuffer data)
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{
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//Console.WriteLine(Data);
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// Initialize a new session
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//HTTPConnection HTTP = (HTTPConnection)sender.ExtraObject;
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//string Data = System.Text.Encoding.Default.GetString(ReceivedData);
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byte[] msg = data.Read();
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var BL = sender.Parse(msg);
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if (BL == 0)
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{
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if (sender.Request.Method == HTTPRequestPacket.HTTPMethod.UNKNOWN)
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{
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sender.Close();
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return;
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}
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if (sender.Request.URL == "")
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{
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sender.Close();
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return;
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}
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}
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else if (BL == -1)
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{
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data.HoldForNextWrite(msg);
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return;
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}
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else if (BL < 0)
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{
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data.HoldFor(msg, (uint) (msg.Length - BL));
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return;
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}
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else if (BL > 0)
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{
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if (BL > maxPost)
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{
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sender.Send(
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"<html><body>POST method content is larger than "
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+ maxPost
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+ " bytes.</body></html>");
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sender.Close();
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}
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else
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{
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data.HoldFor(msg, (uint)(msg.Length + BL));
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}
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return;
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}
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else if (BL < 0) // for security
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{
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sender.Close();
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return;
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}
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if (sender.IsWebsocketRequest() & !sender.WSMode)
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{
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sender.Upgrade();
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//return;
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}
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//return;
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try
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{
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foreach (IResource resource in Instance.Children)
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{
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if (resource is HTTPFilter)
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{
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if ((resource as HTTPFilter).Execute(sender))
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return;
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}
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}
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sender.Send("Bad Request");
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sender.Close();
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}
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catch (Exception ex)
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{
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if (ex.Message != "Thread was being aborted.")
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{
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Global.Log("HTTPServer", LogType.Error, ex.ToString());
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//Console.WriteLine(ex.ToString());
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//EventLog.WriteEntry("HttpServer", ex.ToString(), EventLogEntryType.Error);
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sender.Send(Return500(ex.Message));
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}
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}
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}
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private string Return500(string sMessage)
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{
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string sTMP = null;
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sTMP = "<HTML><HEAD><TITLE>500 Internal Server Error</TITLE></HEAD><br>\r\n";
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sTMP = sTMP + "<BODY BGCOLOR=" + (char)(34) + "#FFFFFF" + (char)(34) + " Text=" + (char)(34) + "#000000" + (char)(34) + " LINK=" + (char)(34) + "#0000FF" + (char)(34) + " VLINK=" + (char)(34) + "#000080" + (char)(34) + " ALINK=" + (char)(34) + "#008000" + (char)(34) + "><br>\r\n";
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sTMP = sTMP + "<b>500</b> Sorry - Internal Server Error<br>" + sMessage + "\r\n";
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sTMP = sTMP + "</BODY><br>\r\n";
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sTMP = sTMP + "</HTML><br>\r\n";
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return sTMP;
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}
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/*
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protected override void SessionEnded(NetworkSession session)
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{
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// verify wether there are no active connections related to the session
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foreach (HTTPConnection c in Connections)//.Values)
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{
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if (c.Session == session)
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{
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session.Refresh();
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return;
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}
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}
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foreach (Instance instance in Instance.Children)
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{
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var f = (HTTPFilter)instance.Resource;
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f.SessionExpired((HTTPSession)session);
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}
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base.SessionEnded((HTTPSession)session);
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//Sessions.Remove(Session.ID);
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//Session.Dispose();
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}
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*/
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/*
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public int TTL
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{
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get
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{
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return Timeout;// mTimeout;
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}
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}
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*/
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public AsyncReply<bool> Trigger(ResourceTrigger trigger)
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{
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if (trigger == ResourceTrigger.Initialize)
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{
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//var ip = (IPAddress)Instance.Attributes["ip"];
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//var port = (int)Instance.Attributes["port"];
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//var ssl = (bool)Instance.Attributes["ssl"];
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//var cert = (string)Instance.Attributes["certificate"];
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//if (ip == null) ip = IPAddress.Any;
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ISocket listener;
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IPAddress ipAdd;
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if (ip == null)
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ipAdd = IPAddress.Any;
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else
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ipAdd = IPAddress.Parse(ip);
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// if (ssl)
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// listener = new SSLSocket(new IPEndPoint(ipAdd, port), new X509Certificate2(certificate));
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// else
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listener = new TCPSocket(new IPEndPoint(ipAdd, port));
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Start(listener,
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timeout,
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clock);
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}
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else if (trigger == ResourceTrigger.Terminate)
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{
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Stop();
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}
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else if (trigger == ResourceTrigger.SystemReload)
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{
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Trigger(ResourceTrigger.Terminate);
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Trigger(ResourceTrigger.Initialize);
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}
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return new AsyncReply<bool>(true);
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}
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protected override void ClientConnected(HTTPConnection sender)
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{
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//sender.SessionModified += SessionModified;
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//sender.SessionEnded += SessionExpired;
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sender.SetParent(this);
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Console.WriteLine("IN: " + this.Connections.Count);
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foreach (IResource resource in Instance.Children)
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{
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if (resource is HTTPFilter)
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{
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(resource as HTTPFilter).ClientConnected(sender);
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}
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}
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}
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public void Destroy()
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{
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throw new NotImplementedException();
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}
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/*
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public int LocalPort
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{
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get
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{
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return cServer.LocalPort;
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}
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}
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*/
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/*
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public HTTPServer(int Port)
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{
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cServer = new TServer();
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cServer.LocalPort = Port;
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cServer.StartServer();
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cServer.ClientConnected += new TServer.eClientConnected(ClientConnected);
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cServer.ClientDisConnected += new TServer.eClientDisConnected(ClientDisConnected);
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cServer.ClientIsSwitching += new TServer.eClientIsSwitching(ClientIsSwitching);
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cServer.DataReceived += new TServer.eDataReceived(DataReceived);
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}*/
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//~HTTPServer()
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//{
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// cServer.StopServer();
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//}
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}
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}
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