To grab cookie i make it so..... code down ....
grab check and resend ..... next session....

otherwise if i upload big file i use method PUT && PHP
is faster as post!

http://www.qtforum.de/forum/viewtopic.php?t=3085

and i send one virtual cookie nr. "2352Rt35j235-252Zu532kh5-3252" to autenficate on php script
and one cookie wo place to save file .... simply 10 line code...

Qt Code: 
  1. typedef QMap<int, QStringList> cookiepam;
  2.  
  3. cookiepam ActualCook;
  4.  
  5. /* each request i resend the cookie from last session phpsession id... or other */
  6.     QStringList resendcoo;
  7.     resendcoo.clear();
  8.     cookiepam ::Iterator it;
  9.     for ( it = ActualCook.begin(); it != ActualCook.end(); ++it ) { 
  10.     QStringList resi = it.value(); 
  11.         QString name = resi.at(0);
  12.          QString oneci =  QString("%1=%2").arg(name).arg(resi.at(1));
  13.             resendcoo.append(oneci);
  14.     }
  15.     header.setValue("Cookie",resendcoo.join(";"));
  16.  
  17.  
  18.  
  19.  
  20. /* take cookie from header */
  21. void RegisterCookie(const QHttpResponseHeader &responseHeader )
  22. {
  23.     ActualCook.clear();
  24.     QStringList cookielist = responseHeader.allValues("set-cookie");
  25.            for (int i = 0; i < cookielist.size(); ++i) {
  26.                QString cokeline = cookielist.at(i);
  27.                QStringList onlines = cokeline.split("=");
  28.                QString cookiename = onlines.at(0);
  29.                QString cookievalue = onlines.at(1);
  30.                ActualCook.insert(i,QStringList() << cookiename << Url_Decode(cookievalue) << actualurl);
  31.                /////////////////qDebug() << "### entry set-cookie pos=" << i << " name= " << cookiename << " value=" << Url_Decode(cookievalue);
  32.            }
  33.     //////////emit WatReturn(QString("One code=%1 - Other say = %2 \n%3").arg( responseHeader.statusCode() ).arg( responseHeader.reasonPhrase() ).arg(CookieVars()) );
  34. } 
  35.  
  36. /* decode cookie value */
  37. QString  Base_Function::Url_Decode( QString indata )
  38. {
  39. /*
  40. http://www.blooberry.com/indexdot/html/topics/urlencoding.htm
  41. Dollar ("$")  24 
  42. Ampersand ("&") 26
  43. Plus ("+") 2B
  44. Comma (",")  2C
  45. Forward slash/Virgule ("/") 2F
  46. Colon (":")  3A
  47. Semi-colon (";") 3B
  48. Equals ("=") 3D
  49. Question mark ("?") 3F
  50. 'At' symbol ("@")  40
  51. Left Curly Brace ("{")  7B
  52. Right Curly Brace ("}") 7D
  53. Vertical Bar/Pipe ("|") 7C
  54. Backslash ("\") 5C
  55. Caret ("^") 5E
  56. Tilde ("~") 7E
  57. Left Square Bracket ("[") 5B
  58. Right Square Bracket ("]") 5D
  59. Grave Accent ("`")  60
  60. */
  61. QString blnull = "";
  62. QString notaccept = "%60|%5D|%5B|%7E|%5E|%5C|%7C|%7D|%7B";
  63. QStringList notallow;
  64.             notallow = notaccept.split("|");
  65.  
  66.              for (int i = 0; i < notallow.size(); ++i) {
  67.                  if ( indata.contains(notallow.at(i)) ) {
  68.                    return blnull;   
  69.                  } 
  70.              }
  71.  
  72.          QString spaceout = indata.replace("%20"," ");
  73.                  spaceout = spaceout.replace("%3A",":");  
  74.                  spaceout = spaceout.replace("%3B",";");
  75.                  spaceout = spaceout.replace("%3D","=");
  76.                  spaceout = spaceout.replace("%2F","/");
  77.                  spaceout = spaceout.replace("%3F","?");
  78.                  spaceout = spaceout.replace("%40","@");
  79.                  spaceout = spaceout.replace("%24","$");
  80.                  spaceout = spaceout.replace("%2B","+");
  81.                  spaceout = spaceout.replace("+"," ");  
  82.                  int zool = spaceout.indexOf(";",0);
  83.          return spaceout.left(zool);;
  84. }
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