mirror of
https://github.com/esiur/esiur-dotnet.git
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395 lines
9.7 KiB
C#
395 lines
9.7 KiB
C#
/*
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Copyright (c) 2017 Ahmed Kh. Zamil
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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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.Core;
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using System.Security.Cryptography.X509Certificates;
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using Esiur.Resource;
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using System.Text.RegularExpressions;
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using System.Linq;
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using System.Reflection;
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using Esiur.Net.Packets.HTTP;
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namespace Esiur.Net.HTTP;
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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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HTTPFilter[] filters = new HTTPFilter[0];
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Dictionary<HTTPMethod, List<RouteInfo>> routes = new()
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{
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[HTTPMethod.GET] = new List<RouteInfo>(),
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[HTTPMethod.POST] = new List<RouteInfo>(),
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[HTTPMethod.HEAD] = new List<RouteInfo>(),
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[HTTPMethod.OPTIONS] = new List<RouteInfo>(),
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[HTTPMethod.UNKNOWN] = new List<RouteInfo>(),
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[HTTPMethod.DELETE] = new List<RouteInfo>(),
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[HTTPMethod.TRACE] = new List<RouteInfo>(),
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[HTTPMethod.CONNECT] = new List<RouteInfo>(),
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[HTTPMethod.PUT] = new List<RouteInfo>()
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};
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//List<RouteInfo> GetRoutes = new List<RouteInfo>();
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//List<RouteInfo> PostRoutes = new List<RouteInfo>();
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class RouteInfo
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{
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public Delegate Handler;
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public Regex Pattern;
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Dictionary<string, ParameterInfo> ParameterIndex = new();
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int? SenderIndex;
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//bool HasSender;
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int ArgumentsCount;
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public RouteInfo(Delegate handler, Regex pattern)
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{
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Pattern = pattern;
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Handler = handler;
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var ps = handler.Method.GetParameters();
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ArgumentsCount = ps.Length;
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var last = ps.LastOrDefault();
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if (last != null && last.ParameterType == typeof(HTTPConnection))
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{
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SenderIndex = ps.Length - 1;
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for (var i = 0; i < ps.Length - 1; i++)
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ParameterIndex[ps[i].Name] = ps[i];
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}
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else
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{
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for (var i = 0; i < ps.Length; i++)
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ParameterIndex[ps[i].Name] = ps[i];
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}
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}
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public bool Invoke(HTTPConnection sender)
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{
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var match = Pattern.Match(sender.Request.URL);
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if (!match.Success)
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return false;
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var args = new object[ArgumentsCount];
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foreach (var kv in ParameterIndex)
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{
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var g = match.Groups[kv.Key];
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args[kv.Value.Position] = DC.CastConvert(g.Value, kv.Value.ParameterType);
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}
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if (SenderIndex != null)
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args[(int)SenderIndex] = sender;
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var rt = Handler.DynamicInvoke(args);
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if (rt is bool)
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return (bool)rt;
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return true;
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}
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}
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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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[Attribute]
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public virtual string IP
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{
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get;
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set;
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}
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[Attribute]
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public virtual ushort Port
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{
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get;
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set;
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}
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[Attribute]
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public virtual uint MaxPost
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{
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get;
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set;
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}
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[Attribute]
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public virtual bool SSL
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{
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get;
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set;
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}
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[Attribute]
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public virtual 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 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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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 connection)
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{
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foreach (var filter in filters)
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filter.ClientDisconnected(connection);
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}
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internal bool Execute(HTTPConnection sender)
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{
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if (!sender.WSMode)
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foreach (var route in routes[sender.Request.Method])
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if (route.Invoke(sender))
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return true;
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foreach (var resource in filters)
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if (resource.Execute(sender).Wait(30000))
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return true;
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return false;
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}
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public void MapGet(string pattern, Delegate handler)
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{
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var regex = Global.GetRouteRegex(pattern);
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var list = routes[HTTPMethod.GET];
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list.Add(new RouteInfo(handler, regex));
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}
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public void MapPost(string pattern, Delegate handler)
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{
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var regex = Global.GetRouteRegex(pattern);
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var list = routes[HTTPMethod.POST];
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list.Add(new RouteInfo(handler, regex));
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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 async 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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Sockets.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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}
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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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await Trigger(ResourceTrigger.Terminate);
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await Trigger(ResourceTrigger.Initialize);
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}
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else if (trigger == ResourceTrigger.SystemInitialized)
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{
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filters = await Instance.Children<HTTPFilter>();
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}
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return true;
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}
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public override void Add(HTTPConnection connection)
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{
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connection.Server = this;
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base.Add(connection);
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}
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public override void Remove(HTTPConnection connection)
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{
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connection.Server = null;
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base.Remove(connection);
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}
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protected override void ClientConnected(HTTPConnection connection)
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{
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//if (filters.Length == 0 && routes.)
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//{
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// connection.Close();
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// return;
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//}
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foreach (var resource in filters)
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{
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resource.ClientConnected(connection);
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}
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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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