Google Search Appliance Security - Manual (Page 41)

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request . ContentType = "application/x-www-form-urlencoded";
ServicePointManager . ServerCertificateValidationCallback = new
System . Net . Security . RemoteCertificateValidationCallback ( AcceptAllCertifications );
request . Proxy = WebRequest . DefaultWebProxy;
request . CookieContainer = new CookieContainer ();
if ( _gsaSessionId != null)
{
request . CookieContainer . Add ( new Cookie ( GSA_SESSION_ID , _gsaSessionId )
{ Domain = _gsaHostName });
}
else
{
string authInfo = _trustedUser + ":" + _trustedPwd;
authInfo = Convert . ToBase64String ( Encoding . Default . GetBytes ( authInfo ));
request . Headers [ "Authorization" ] = "Basic " + authInfo;
}
request . Proxy . Credentials = CredentialCache . DefaultCredentials;
(( HttpWebRequest ) request ). KeepAlive = true;
//specific to the end user
String strRsps = null;
request . Headers [ "X_GSA_USER" ] = _endUser;
request . Headers [ "X_GSA_CREDENTIAL_GROUP" ] = _credentialGroup;
//"X_GSA_USER: usera1" --header "X_GSA_CREDENTIAL_GROUP: Default" -d "access=a&q=
byte [] byteData = UTF8Encoding . UTF8 . GetBytes ( q );
request . ContentLength = byteData . Length;
try
{
using ( Stream postStream = request . GetRequestStream ())
{
postStream . Write ( byteData , 0 , byteData . Length );
postStream . Close ();
}
HttpWebResponse response = ( HttpWebResponse ) request . GetResponse ();
if ( _gsaSessionId == null)
{
_gsaSessionId = response . Cookies [ "GSA_SESSION_ID" ]. Value;
}
StreamReader rsps = new
StreamReader ( request . GetResponse (). GetResponseStream ());
strRsps = rsps . ReadToEnd ();
rsps . Close ();
response . Close ();
}
catch ( WebException e)
{
if ( e . Status == WebExceptionStatus . ProtocolError)
{
WebResponse resp = e . Response;
using ( StreamReader sr = new StreamReader ( resp . GetResponseStream ()))
{
Console . Write ( sr . ReadToEnd ());
}
}
if ( iRetry == 0)
{
//assume session timed out
_gsaSessionId = null;