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/*
KeePass Password Safe - The Open-Source Password Manager
Copyright (C) 2003-2021 Dominik Reichl <dominik.reichl@t-online.de>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
using System;
using System.Collections.Generic;
using System.Text;
using System.Net;
using System.IO;
using System.IO.Compression;
using KeePassLib.Utility;
namespace KeePass.Util
{
public static class NetUtil
{
/* public static string GZipUtf8ResultToString(DownloadDataCompletedEventArgs e)
{
if(e.Cancelled || (e.Error != null) || (e.Result == null))
return null;
MemoryStream msZipped = new MemoryStream(e.Result);
GZipStream gz = new GZipStream(msZipped, CompressionMode.Decompress);
BinaryReader br = new BinaryReader(gz);
MemoryStream msUTF8 = new MemoryStream();
while(true)
{
byte[] pb = null;
try { pb = br.ReadBytes(4096); }
catch(Exception) { }
if((pb == null) || (pb.Length == 0)) break;
msUTF8.Write(pb, 0, pb.Length);
}
br.Close();
gz.Close();
msZipped.Close();
return StrUtil.Utf8.GetString(msUTF8.ToArray());
} */
public static string WebPageLogin(Uri url, string strPostData,
out List<KeyValuePair<string, string>> vCookies)
{
if(url == null) throw new ArgumentNullException("url");
HttpWebRequest hwr = (HttpWebRequest)HttpWebRequest.Create(url);
byte[] pbPostData = Encoding.ASCII.GetBytes(strPostData);
hwr.Method = "POST";
hwr.ContentType = "application/x-www-form-urlencoded";
hwr.ContentLength = pbPostData.Length;
hwr.UserAgent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0)";
Stream s = hwr.GetRequestStream();
s.Write(pbPostData, 0, pbPostData.Length);
s.Close();
WebResponse wr = hwr.GetResponse();
StreamReader sr = new StreamReader(wr.GetResponseStream());
string strResponse = sr.ReadToEnd();
sr.Close();
wr.Close();
vCookies = new List<KeyValuePair<string, string>>();
foreach(string strHeader in wr.Headers.AllKeys)
{
if(strHeader == "Set-Cookie")
{
string strCookie = wr.Headers.Get(strHeader);
string[] vParts = strCookie.Split(new char[] { ';' });
if(vParts.Length < 1) continue;
string[] vInfo = vParts[0].Split(new char[] { '=' });
if(vInfo.Length != 2) continue;
vCookies.Add(new KeyValuePair<string, string>(
vInfo[0], vInfo[1]));
}
}
return strResponse;
}
public static string WebPageGetWithCookies(Uri url,
List<KeyValuePair<string, string>> vCookies, string strDomain)
{
if(url == null) throw new ArgumentNullException("url");
HttpWebRequest hwr = (HttpWebRequest)HttpWebRequest.Create(url);
hwr.Method = "GET";
hwr.UserAgent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0)";
if(vCookies != null)
{
hwr.CookieContainer = new CookieContainer();
foreach(KeyValuePair<string, string> kvpCookie in vCookies)
{
Cookie ck = new Cookie(kvpCookie.Key, kvpCookie.Value,
"/", strDomain);
hwr.CookieContainer.Add(ck);
}
}
WebResponse wr = hwr.GetResponse();
StreamReader sr = new StreamReader(wr.GetResponseStream());
string strResponse = sr.ReadToEnd();
sr.Close();
wr.Close();
return strResponse;
}
}
}
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