HTTPRequest.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;

namespace DNWS
{
    public class HTTPRequest
    {
        protected String _url;
        protected String _filename;
        protected static Dictionary<String, String> _propertyListDictionary = null;
        protected static Dictionary<String, String> _requestListDictionary = null;

        protected String _body;

        protected int _status;

        protected String _method;

		protected String _pure_request;

        public String Url
        {
            get { return _url; }
        }

        public String Filename
        {
            get { return _filename; }
        }

        public String Body
        {
            get { return _body; }
        }

        public int Status
        {
            get { return _status; }
        }

        public String Method
        {
            get { return _method; }
        }

		public String whole_request
		{
			get { return _pure_request; }
		}


        public HTTPRequest(String request)
        {
			_pure_request = request;

            _propertyListDictionary = new Dictionary<String, String>();
            String[] lines = Regex.Split(request, "\\n");

            if (lines.Length == 0)
            {
                _status = 500;
                return;
            }

            String[] statusLine = Regex.Split(lines[0], "\\s");
            if (statusLine.Length != 4)
            { // too short something is wrong
                _status = 401;
                return;
            }
            if (!statusLine[0].ToLower().Equals("get"))
            {
                _method = "GET";
            }
            else if (!statusLine[0].ToLower().Equals("post"))
            {
                _method = "POST";
            }
            else
            {
                _status = 501;
                return;
            }
            _status = 200;

			

            _url = statusLine[1];
            String[] urls = Regex.Split(_url, "/");
            _filename = _url;
            String[] parts = Regex.Split(urls[urls.Length - 1], "[?]");
            if (parts.Length > 1 && parts[1].Contains('&'))
            {
                //Ref: http://stackoverflow.com/a/4982122
                _requestListDictionary = parts[1].Split('&').Select(x => x.Split('=')).ToDictionary(x => x[0].ToLower(), x => x[1]);
            }
            else
            {
                _requestListDictionary = new Dictionary<String, String>();
            }

            if (lines.Length == 1) return;

            for (int i = 1; i != lines.Length; i++)
            {
                String[] pair = Regex.Split(lines[i], ": "); //FIXME
                if (pair.Length == 0) continue;
                if (pair.Length == 1)
                { // handle post body
                    if (pair[0].Length > 1)
                    { //FIXME, this is a quick hack
                        Dictionary<String, String> _bodys = pair[0].Split('&').Select(x => x.Split('=')).ToDictionary(x => x[0].ToLower(), x => x[1]);
                        _requestListDictionary = _requestListDictionary.Concat(_bodys).ToDictionary(x => x.Key, x => x.Value);
                    }
                }
                else
                { // Length == 2, GET url request
                    addProperty(pair[0], pair[1]);
                }
            }
        }
        public String getPropertyByKey(String key)
        {
            if (_propertyListDictionary.ContainsKey(key.ToLower()))
            {
                return _propertyListDictionary[key.ToLower()];
            }
            else
            {
                return null;
            }
        }

		
        public String getRequestByKey(String key)
        {
            if (_requestListDictionary.ContainsKey(key.ToLower()))
            {
                return _requestListDictionary[key.ToLower()];
            }
            else
            {
                return null;
            }
        }

        public void addProperty(String key, String value)
        {
            _propertyListDictionary[key.ToLower()] = value;
        }
        public void addRequest(String key, String value)
        {
            _requestListDictionary[key.ToLower()] = value;
        }
    }
}