/// <summary>
/// 分析request 头部
/// </summary>
/// <param name="buffer"></param>
/// <returns></returns>
public bool Analysis(byte[] buffer)
{
//获取headerStr
using (MemoryStream ms = new MemoryStream(buffer))
{
ms.Position = 0;
using (SAEA.Common.StreamReader streamReader = new SAEA.Common.StreamReader(ms))
{
while (true)
{
var str = streamReader.ReadLine();
if (str == string.Empty)
{
this.HeaderStr = _stringBuilder.ToString();
_stringBuilder.Clear();
break;
}
else if (str == null && string.IsNullOrEmpty(this.HeaderStr))
{
return(false);
}
else
{
_stringBuilder.AppendLine(str);
}
}
}
}
//分析requestHeader
var rows = Regex.Split(this.HeaderStr, ENTER);
var arr = Regex.Split(rows[0], @"(\s+)").Where(e => e.Trim() != string.Empty).ToArray();
this.Method = arr[0];
this.RelativeUrl = arr[1];
if (this.RelativeUrl.Contains("?"))
{
var qarr = this.RelativeUrl.Split("?");
this.Url = qarr[0];
this.Query = GetRequestQuerys(qarr[1]);
}
else
{
this.Url = this.RelativeUrl;
}
var uarr = this.Url.Split("/");
if (long.TryParse(uarr[uarr.Length - 1], out long id))
{
this.Url = this.Url.Substring(0, this.Url.LastIndexOf("/"));
if (this.Query == null)
{
this.Query = new Dictionary <string, string>();
}
this.Query.Add(ConstHelper.ID, id.ToString());
}
this.Protocal = arr[2];
this.Headers = GetRequestHeaders(rows);
if (this.Headers != null)
{
//cookies
var cookiesStr = string.Empty;
if (this.Headers.TryGetValue(RequestHeaderType.Cookie.GetDescription(), out cookiesStr))
{
this.Cookies = GetCookies(cookiesStr);
}
//post数据分析
if (this.Method == ConstString.POSTStr)
{
using (MemoryStream ms = new MemoryStream(buffer))
{
var poistion = ms.Position = 0;
while (true)
{
if (ms.ReadByte() == 13 && ms.ReadByte() == 10 && ms.ReadByte() == 13 && ms.ReadByte() == 10)
{
poistion = ms.Position;
break;
}
}
this.Position = (int)poistion;
}
string contentTypeStr = string.Empty;
if (this.Headers.TryGetValue(RequestHeaderType.ContentType.GetDescription(), out contentTypeStr))
{
//form-data
if (contentTypeStr.IndexOf(ConstString.FORMENCTYPE2) > -1)
{
this.IsFormData = true;
this.Boundary = "--" + Regex.Split(contentTypeStr, ";")[1].Replace(ConstHelper.BOUNDARY, "");
}
}
string contentLengthStr = string.Empty;
if (this.Headers.TryGetValue(RequestHeaderType.ContentLength.GetDescription(), out contentLengthStr))
{
int cl = 0;
if (int.TryParse(contentLengthStr, out cl))
{
this.ContentLength = cl;
}
}
}
}
return(true);
}
/// <summary>
/// 分析request body
/// </summary>
/// <param name="requestData"></param>
/// <param name="httpMessage"></param>
public static void AnalysisBody(byte[] requestData, HttpMessage httpMessage)
{
var contentLen = httpMessage.ContentLength;
if (contentLen > 0)
{
var positon = httpMessage.Position;
var totlalLen = contentLen + positon;
httpMessage.Body = requestData.AsSpan().Slice(positon, contentLen).ToArray();
switch (httpMessage.ContentType)
{
case ConstHelper.FORMENCTYPE1:
httpMessage.Forms = GetRequestForms(Encoding.UTF8.GetString(httpMessage.Body));
break;
case ConstHelper.FORMENCTYPE2:
using (MemoryStream ms = new MemoryStream(httpMessage.Body))
{
ms.Position = 0;
using (var sr = new SAEA.Common.StreamReader(ms))
{
StringBuilder sb = new StringBuilder();
var str = string.Empty;
do
{
str = sr.ReadLine();
if (str == null)
{
break;
}
else
{
sb.AppendLine(str);
if (str.Contains(ConstHelper.CT))
{
var filePart = GetRequestFormsWithMultiPart(sb.ToString(), httpMessage);
if (filePart != null)
{
sr.ReadLine();
filePart.Data = sr.ReadData(sr.Position, httpMessage.Boundary);
if (filePart.Data != null)
{
filePart.Data = filePart.Data.Take(filePart.Data.Length - 2).ToArray();
}
httpMessage.PostFiles.Add(filePart);
}
sb.Clear();
sr.ReadLine();
}
}
}while (true);
}
}
break;
case ConstHelper.FORMENCTYPE3:
default:
httpMessage.Json = Encoding.UTF8.GetString(httpMessage.Body);
break;
}
}
}
/// <summary>
/// 分析request body
/// </summary>
/// <param name="requestData"></param>
public void AnalysisBody(byte[] requestData)
{
var contentLen = this.ContentLength;
if (contentLen > 0)
{
var positon = this.Position;
var totlalLen = contentLen + positon;
this.Body = new byte[contentLen];
Buffer.BlockCopy(requestData, positon, this.Body, 0, this.Body.Length);
switch (this.ContentType)
{
case ConstString.FORMENCTYPE2:
using (MemoryStream ms = new MemoryStream(this.Body))
{
ms.Position = 0;
using (var sr = new SAEA.Common.StreamReader(ms))
{
StringBuilder sb = new StringBuilder();
var str = string.Empty;
do
{
str = sr.ReadLine();
if (str == null)
{
break;
}
else
{
sb.AppendLine(str);
if (str.IndexOf(ConstHelper.CT) > -1)
{
var filePart = GetRequestFormsWithMultiPart(sb.ToString());
if (filePart != null)
{
sr.ReadLine();
filePart.Data = sr.ReadData(sr.Position, this.Boundary);
if (filePart.Data != null)
{
filePart.Data = filePart.Data.Take(filePart.Data.Length - 2).ToArray();
}
if (this.PostFiles == null)
{
this.PostFiles = new List <FilePart>();
}
this.PostFiles.Add(filePart);
}
sb.Clear();
sr.ReadLine();
}
}
}while (true);
}
}
break;
case ConstString.FORMENCTYPE3:
this.Json = Encoding.UTF8.GetString(this.Body);
break;
default:
this.Forms = GetRequestForms(Encoding.UTF8.GetString(this.Body));
break;
}
}
}
