140 lines
4.6 KiB
C#
140 lines
4.6 KiB
C#
/*
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* Copyright (C) 2012-2017 CypherCore <http://github.com/CypherCore>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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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.Reflection;
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using System.Text;
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namespace Framework.Web
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{
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public class HttpHeader
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{
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public string Method { get; set; }
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public string Path { get; set; }
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public string Type { get; set; }
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public string Host { get; set; }
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public string DeviceId { get; set; }
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public string ContentType { get; set; }
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public int ContentLength { get; set; }
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public string AcceptLanguage { get; set; }
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public string Accept { get; set; }
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public string UserAgent { get; set; }
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public string Content { get; set; }
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}
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public enum HttpCode
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{
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Ok = 200,
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BadRequest = 400,
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NotFound = 404,
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InternalServerError = 500
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}
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public class HttpHelper
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{
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public static byte[] CreateResponse(HttpCode httpCode, string content, bool closeConnection = false)
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{
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var sb = new StringBuilder();
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using (var sw = new StringWriter(sb))
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{
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sw.WriteLine($"HTTP/1.1 {(int)httpCode} {httpCode}");
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//sw.WriteLine($"Date: {DateTime.Now.ToUniversalTime():r}");
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//sw.WriteLine("Server: Arctium-Emulation");
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//sw.WriteLine("Retry-After: 600");
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sw.WriteLine($"Content-Length: {content.Length}");
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//sw.WriteLine("Vary: Accept-Encoding");
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if (closeConnection)
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sw.WriteLine("Connection: close");
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sw.WriteLine("Content-Type: application/json;charset=UTF-8");
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sw.WriteLine();
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sw.WriteLine(content);
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}
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return Encoding.UTF8.GetBytes(sb.ToString());
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}
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public static HttpHeader ParseRequest(byte[] data, int length)
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{
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var headerValues = new Dictionary<string, object>();
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var header = new HttpHeader();
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using (var sr = new StreamReader(new MemoryStream(data, 0, length)))
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{
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var info = sr.ReadLine().Split(new string[] { " " }, StringSplitOptions.RemoveEmptyEntries);
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if (info.Length != 3)
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return null;
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headerValues.Add("method", info[0]);
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headerValues.Add("path", info[1]);
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headerValues.Add("type", info[2]);
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while (!sr.EndOfStream)
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{
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info = sr.ReadLine().Split(new string[] { ": " }, StringSplitOptions.RemoveEmptyEntries);
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if (info.Length == 2)
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headerValues.Add(info[0].Replace("-", "").ToLower(), info[1]);
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else if (info.Length > 2)
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{
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var val = "";
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info.Skip(1);
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headerValues.Add(info[0].Replace("-", "").ToLower(), val);
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}
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else
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{
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// We are at content here.
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var content = sr.ReadLine();
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headerValues.Add("content", content);
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// There shouldn't be anything after the content!
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break;
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}
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}
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}
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var httpFields = typeof(HttpHeader).GetTypeInfo().GetProperties();
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foreach (var f in httpFields)
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{
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object val;
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if (headerValues.TryGetValue(f.Name.ToLower(), out val))
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{
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if (f.PropertyType == typeof(int))
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f.SetValue(header, Convert.ChangeType(Convert.ToInt32(val), f.PropertyType));
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else
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f.SetValue(header, Convert.ChangeType(val, f.PropertyType));
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}
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}
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return header;
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}
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}
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}
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