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Getting cookies from the InternetExplorer

Posted on 2004-09-21
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Last Modified: 2012-08-14
Hi,

Im writing a little webclient for http-sites. I want to use the cookies from InternetExplorer(6.0) since that is used as the main browser...
I need to get the cookies somehow. I tried it with InternetGetCookie, but it alwys fails. (returns false, but no errorcode). I also played with CInternetSession::GetCookie() but the same.

So how do I get all the cookies on site may have set from the InternetExplorers cache without knowing the name of the cookie?
And a second question, if i want to get subdomains, do i have to send the cookie from the topdomain too?

Thanks for any help :)


-Stephan
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Question by:tdomega
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9 Comments
 
LVL 6

Expert Comment

by:Svetlin_Panayotov
ID: 12120431
You can try searching the cookie directory - it is different in Win9x/NT - and retrieving the names from there.It can be a somehow complicated - you must check OS version, logged user etc. and then construct your path.After you get the names InternetGetCookie() seems to be working fine with them.

Svetlin
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Author Comment

by:tdomega
ID: 12121708
I tried it with the function InternetGetCookie(url,cookiename,cookiedata,size);

when I used it from VisualBasic it worked (was some years ago though) now it doesnt from c++.
And I dont think I need the cookie name (didnt need it under VB either)  since the msdn says  lpszCookieName : [in] Not implemented. So this function should actually get me all cookies from this site (did so in VB). So now Im wondering why it worked at that time but now fails under c++?
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LVL 16

Expert Comment

by:nonubik
ID: 12121806
How does it fail? please post some code.
Maybe it's related to tihs: http://support.microsoft.com/default.aspx?scid=kb;en-us;306354
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Author Comment

by:tdomega
ID: 12121862
Hi,

solved it :)

was a dumb error...the url InternetGetCookie wants has to start with http:// and i just used www.google.com.

sorry, my bad...
Thanks for all your help.
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LVL 6

Expert Comment

by:Svetlin_Panayotov
ID: 12121901
           LPTSTR lpData = new char[512];
            ZeroMemory(lpData,sizeof(lpData));
            DWORD dwSize = 512;
            BOOL bResult;
            bResult = InternetGetCookie("http://www.experts-exchange.com",NULL,lpData,&dwSize);
            if (!bResult)
            {
                  DWORD errCode = GetLastError();
                  printf("An error occured: %d", errCode);
            }
            else
            {
                  printf("Cookie data: %s\n",lpData);
            }
            getch();
            delete[] lpData;

The code above works well for me and retrieves the cookie.
Svetlin
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LVL 6

Expert Comment

by:Svetlin_Panayotov
ID: 12121913
Sorry sometimes the page doesn't refresh - couldn't see you solved it.
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LVL 16

Expert Comment

by:nonubik
ID: 12124908
tdomega, you'll have to post a question in 'Community Support' TA in order to close the question.
http://www.experts-exchange.com/Programming/Programming_Languages/Dot_Net/VisualC_PLUS_PLUS_DOT_NET/help.jsp#hi70
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Accepted Solution

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ee_ai_construct earned 0 total points
ID: 12155641
Closed, 500 points refunded.
ee_ai_construct (replacement part #xm34)
Community Support Admin
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