/// <summary>
/// 查询服务器返回的cookie值
/// </summary>
/// <param name="cookieName"></param>
/// <returns></returns>
public string GetCookieValue(string cookieName)
{
Cookie c = Cookies.Find(k => k.Name == cookieName);
if (c != null)
{
return(c.Value);
}
return("");
}
public Response GetResponse(int port = 80, int maxredirect = 10)
{
string content = Method.ToString() + " " + Uri.PathAndQuery + " HTTP/1.1\n";
List <string> headers = new List <string>();
if (!Headers.ContainsKey("User-Agent"))
{
Headers.Add("User-Agent", UserAgent);
}
else
{
Headers.Remove("User-Agent");
Headers.Add("User-Agent", UserAgent);
}
foreach (var p in Headers)
{
headers.Add(p.Key + ":" + p.Value + '\n');
}
for (int i = 0; i < Cookies.Count; i++)
{
headers.Add("Cookie:" + Cookies[i] + '\n');
}
if (referal != null)
{
headers.Add("Referer:" + referal + '\n');
}
headers.Sort(StringComparer.Create(System.Threading.Thread.CurrentThread.CurrentCulture, true));
content += "Host:" + Uri.DnsSafeHost + '\n';
for (int i = 0; i < headers.Count; i++)
{
content += headers[i];
}
if (((POSTContent ?? "") != "") && (Method == HttpRequestMethod.POST))
{
content += "Content-Length:" + POSTContent.Length + '\n';
content += '\n' + POSTContent ?? "";
}
else
{
content += "\n\n";
}
System.Net.Sockets.TcpClient client;
client = new System.Net.Sockets.TcpClient();
client.Connect(Uri.DnsSafeHost, port);
var buf = Encoding.Default.GetBytes(content);
client.GetStream().Write(buf, 0, buf.Length);
var stream = client.GetStream();
List <byte> response = new List <byte>();
string respHeader = "";
int b = 0;
bool endHeader = false;
while ((b = stream.ReadByte()) != -1)
{
if (b == '\n')
{
if ((response.Count == 0) || ((response.Count == 1) && (response[0] == 13)))
{
if (!endHeader)
{
endHeader = true;
response.Clear();
continue;
}
}
response.Add((byte)b);
if (!endHeader)
{
respHeader += Encoding.Default.GetString(response.ToArray());
response.Clear();
}
}
else
{
response.Add((byte)b);
}
}
if (headers.Contains("Connection"))
{
if (Headers["Connection"] == "Close")
{
client.Close();
}
}
else
{
client.Close();
}
string contentType = respHeader.Substring(respHeader.IndexOf("Content-Type:"));
contentType = contentType.Substring(13, contentType.IndexOf('\n') - 13).Trim();
string responseContent = "";
if (contentType.IndexOf("text/") != -1)
{
string charset = (contentType.IndexOf("charset") != -1) ? contentType.Substring(contentType.IndexOf("charset") + 8) : "utf-8";
if (charset.IndexOf(";") != -1)
{
charset = charset.Substring(0, charset.IndexOf(';'));
}
responseContent = Encoding.GetEncoding(charset).GetString(response.ToArray());
}
if ((AutoRedirect) && (maxredirect > 0))
{
string result = respHeader.Substring(0, respHeader.IndexOf('\n')).Trim();
int sci = respHeader.IndexOf("\nSet-Cookie: ");
while (sci != -1)
{
int eqi = respHeader.IndexOf('=', sci);
string name = respHeader.Substring(sci + 13, eqi - sci - 13);
string value = respHeader.Substring(eqi + 1, respHeader.IndexOf(';', sci) - eqi - 1);
if (value != "deleted")
{
if (Cookies.FindIndex((x) => { return(x.Name == name); }) == -1)
{
Cookies.Add(new Cookie()
{
Name = name, Value = value
});
}
else
{
Cookies.Find((x) => { return(x.Name == name); }).Value = value;
}
}
else
{
int index = Cookies.FindIndex((x) => { return(name == x.Name); });
if (index != -1)
{
Cookies.RemoveAt(index);
}
}
sci = respHeader.IndexOf("\nSet-Cookie: ", sci + 1);
}
if (result == "HTTP/1.1 302 Found")
{
string redurl = respHeader.Substring(respHeader.IndexOf("\nLocation:"));
redurl = redurl.Substring(redurl.IndexOf(':') + 1);
redurl = redurl.Substring(0, redurl.IndexOf('\n')).Trim();
if (redurl == "/")
{
redurl = Uri.Scheme + "://" + Uri.Host + "/";
}
Uri reuri = new Uri(redurl);
return((new HttpRequest()
{
Uri = reuri, UserAgent = UserAgent, AutoRedirect = true, Headers = Headers, Cookies = Cookies, referal = Uri.DnsSafeHost + Uri.PathAndQuery
}).GetResponse(port, maxredirect - 1));
}
}
return(new Response(respHeader, responseContent, Cookies.ToArray()));
}