Re: HTTPS with WebResponse class
From: Aung (aung_at_aungkyawmoe_NOSPAM_.net)
Date: 08/29/03
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Date: Fri, 29 Aug 2003 06:16:43 +0700
Yes. i used IE before calling from my application. IE popup with a warning
message telling me that "certificate on the server is not the same name bla
bla. " and when i hit OK, i can view the SSL page with form.
my .NET application cannot.
"Justin Rogers" <Justin@games4dotnet.com> wrote in message
news:#8bt4YnbDHA.2572@TK2MSFTNGP12.phx.gbl...
> Best way to test your client is see if you can do the same from IE. Most
of
> the System.Net classes take configuration from IE behind the scenes. If
it
> doesn't work in IE and you do get it working, make sure to close all
> instances of IE so the data persists before re-running the .NET
application.
> Some changes are considered dynamic and won't be written to the registry
> until close.
>
> Hopefully you find that IE won't connect either. I find it hard to
believe
> that .NET would have a more stringent implementation of SSL than IE. But
it
> is possible.
>
> --
> Justin Rogers
> DigiTec Web Consultants, LLC.
>
> "Aung" <aung@aungkyawmoe_NOSPAM_.net> wrote in message
> news:ezn5SNnbDHA.1580@tk2msftngp13.phx.gbl...
> > Hello,
> >
> > I am having a problem with WebRequest class. I used the following code
to
> > post some data to a page and retrive back the response. It works fine
with
> > http:// connection. When i use that with https:// connection, it thrown
an
> > exception "The underlying connection was closed: Could not establish
trust
> > relationship with remote server.". I am using self sign certificate on
the
> > web server and the root and CA certificates are installed on the client
> > machine using the following code.
> >
> > your suggestions will be great appreciated.
> >
> > Aung
> >
> > public string postForm(string url, string postData)
> >
> > {
> >
> > string retStr="", tempStr;
> >
> > HttpWebResponse result = null;
> >
> > try
> >
> > {
> >
> > HttpWebRequest req = (HttpWebRequest) WebRequest.Create(url);
> >
> > req.Method = "POST";
> >
> > req.UserAgent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; .NET
> CLR
> > 1.0.3705)";
> >
> > req.ContentType = "application/x-www-form-urlencoded";
> >
> > StringBuilder UrlEncoded = new StringBuilder();
> >
> > Char[] reserved = {'?', '=', '&'};
> >
> > byte[] SomeBytes = null;
> >
> > if (postData != null)
> >
> > {
> >
> > int i=0, j;
> >
> > while(i<postData.Length)
> >
> > {
> >
> > j=postData.IndexOfAny(reserved, i);
> >
> > if (j==-1)
> >
> > {
> >
> > UrlEncoded.Append(HttpUtility.UrlEncode(postData.Substring(i,
> > postData.Length-i)));
> >
> > break;
> >
> > }
> >
> > UrlEncoded.Append(HttpUtility.UrlEncode(postData.Substring(i, j-i)));
> >
> > UrlEncoded.Append(postData.Substring(j,1));
> >
> > i = j+1;
> >
> > }
> >
> > SomeBytes = Encoding.UTF8.GetBytes(UrlEncoded.ToString());
> >
> > req.ContentLength = SomeBytes.Length;
> >
> > Stream newStream = req.GetRequestStream();
> >
> > newStream.Write(SomeBytes, 0, SomeBytes.Length);
> >
> > newStream.Close();
> >
> > }
> >
> > else
> >
> > {
> >
> > req.ContentLength = 0;
> >
> > }
> >
> > result = (HttpWebResponse) req.GetResponse();
> >
> > Stream ReceiveStream = result.GetResponseStream();
> >
> > Encoding encode = System.Text.Encoding.GetEncoding("utf-8");
> >
> > StreamReader sr = new StreamReader( ReceiveStream, encode );
> >
> > Char[] read = new Char[256];
> >
> > int count = sr.Read( read, 0, 256 );
> >
> > while (count > 0)
> >
> > {
> >
> > tempStr = new String(read, 0, count);
> >
> > retStr += tempStr;
> >
> > count = sr.Read(read, 0, 256);
> >
> > }
> >
> > retStr.Trim();
> >
> > }
> >
> > catch (Exception e)
> >
> > {
> >
> > retStr = "Error!!";
> >
> > }
> >
> > finally
> >
> > {
> >
> > if ( result != null )
> >
> > {
> >
> > result.Close();
> >
> > }
> >
> > }
> >
> > return retStr;
> >
> > }
> >
> >
> >
>
>
- Next message: Guogang: "Re: server certificate issue"
- Previous message: Joe Kaplan \(MVP - ADSI\): "Re: HTTPS with WebResponse class"
- In reply to: Justin Rogers: "Re: HTTPS with WebResponse class"
- Next in thread: Drebin: "Re: HTTPS with WebResponse class"
- Reply: Drebin: "Re: HTTPS with WebResponse class"
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