99 lines
3.6 KiB
C#
99 lines
3.6 KiB
C#
using BlubbFish.Utils.IoT.Connector;
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using BlubbFish.Utils.IoT.Events;
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Net;
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using System.Text;
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using System.Threading;
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using System.Threading.Tasks;
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namespace BlubbFish.Utils.IoT.Bots
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{
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public abstract class Webserver
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{
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protected Dictionary<String, String> config;
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protected InIReader requests;
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protected HttpListener httplistener;
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public Webserver(ABackend backend, Dictionary<String, String> settings, InIReader requests) {
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this.config = settings;
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this.requests = requests;
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backend.MessageIncomming += this.Backend_MessageIncomming;
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this.httplistener = new HttpListener();
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this.httplistener.Prefixes.Add(this.config["prefix"]);
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this.httplistener.Start();
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ThreadPool.QueueUserWorkItem((o) => {
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Console.WriteLine("Webserver is Running...");
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try {
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while (this.httplistener.IsListening) {
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ThreadPool.QueueUserWorkItem((state) => {
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HttpListenerContext httplistenercontext = state as HttpListenerContext;
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try {
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this.SendResponse(httplistenercontext);
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} catch { } finally {
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httplistenercontext.Response.OutputStream.Close();
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}
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}, this.httplistener.GetContext());
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}
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} catch { };
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});
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}
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protected virtual void SendResponse(HttpListenerContext cont) {
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String restr = cont.Request.Url.PathAndQuery;
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if (restr.StartsWith("/")) {
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if(restr.IndexOf("?") != -1) {
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restr = restr.Substring(1, restr.IndexOf("?")-1);
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} else {
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restr = restr.Substring(1);
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}
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if(restr == "") {
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restr = "index.html";
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}
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String end = restr.IndexOf('.') != -1 ? restr.Substring(restr.IndexOf('.')+1) : "";
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if (File.Exists("resources/"+ restr)) {
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try {
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if (end == "png" || end == ".jpg" || end == ".jpeg" || end == ".ico") {
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Byte[] output = File.ReadAllBytes("resources/" + restr);
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cont.Response.OutputStream.Write(output, 0, output.Length);
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cont.Response.ContentType = "image/"+end;
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return;
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} else {
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String file = File.ReadAllText("resources/" + restr);
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if (this.requests.GetSections(false).Contains(restr)) {
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Dictionary<String, String> vars = this.requests.GetSection(restr);
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foreach (KeyValuePair<String, String> item in vars) {
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file = file.Replace("{%" + item.Key.ToUpper() + "%}", item.Value);
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}
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}
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file = file.Replace("{%REQUEST_URL_HOST%}", cont.Request.Url.Host);
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Byte[] buf = Encoding.UTF8.GetBytes(file);
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cont.Response.ContentLength64 = buf.Length;
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cont.Response.OutputStream.Write(buf, 0, buf.Length);
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Console.WriteLine("200 - " + cont.Request.Url.PathAndQuery);
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return;
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}
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} catch(Exception e) {
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Helper.WriteError("500 - " + e.Message);
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cont.Response.StatusCode = 500;
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return;
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}
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}
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Helper.WriteError("404 - " + cont.Request.Url.PathAndQuery + " not found!");
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cont.Response.StatusCode = 404;
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return;
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}
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return;
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}
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public void Dispose() {
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this.httplistener.Stop();
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this.httplistener.Close();
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}
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protected abstract void Backend_MessageIncomming(Object sender, BackendEvent e);
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}
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}
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