Bot-Utils/Webserver.cs

99 lines
3.6 KiB
C#

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