/// <summary>
/// Sends a CyberSource transaction request.
/// </summary>
/// <param name="request">XmlDocument object containing the request.</param>
/// <param name="config">Configuration object to use.</param>
/// <returns>XmlDocument object containing the reply.</returns>
public static XmlDocument RunTransaction(
Configuration config, XmlDocument request)
{
Logger logger = null;
string nspace = null;
try
{
nspace = GetRequestNamespace(request);
DetermineEffectiveMerchantID(ref config, request, nspace);
SetVersionInformation(request, nspace);
logger = PrepareLog(config);
if (string.IsNullOrEmpty(nspace))
{
throw new ApplicationException(
REQUEST_MESSAGE + " is missing in the XML document.");
}
SetConnectionLimit(config);
if (logger != null)
{
logger.LogRequest(request, config.Demo);
}
// obtain a copy of the request document enclosed in a SOAP envelope
XmlDocument doc = SoapWrap(request, nspace);
//Get the X509 cert and sign the SOAP Body
string keyFilePath = Path.Combine(config.KeysDirectory, config.EffectiveKeyFilename);
X509Certificate2 cert = null;
X509Certificate2Collection collection = new X509Certificate2Collection();
collection.Import(keyFilePath, config.EffectivePassword, X509KeyStorageFlags.Exportable | X509KeyStorageFlags.PersistKeySet);
foreach (X509Certificate2 cert1 in collection)
{
if (cert1.Subject.Contains(config.MerchantID))
{
cert = cert1;
break;
}
}
SignDocument(cert, doc);
// convert the document into an array of bytes using the
// encoding specified in the XML declaration line.
Encoding enc = GetEncoding(doc);
byte[] requestBytes = enc.GetBytes(doc.OuterXml);
// create an HttpWebRequest object and set its properties
HttpWebRequest httpRequest
= (HttpWebRequest)WebRequest.Create(
config.EffectiveServerURL);
httpRequest.Method = "POST";
httpRequest.ContentLength = requestBytes.Length;
httpRequest.UserAgent = ".NET XML";
// set the timeout
httpRequest.Timeout = config.Timeout * 1000;
if (mProxy != null)
{
// assign our pre-created WebProxy object to the
// HttpWebRequest object's Proxy property.
httpRequest.Proxy = mProxy;
}
// obtain the request stream and write the byte array to it.
Stream stream = httpRequest.GetRequestStream();
stream.Write(requestBytes, 0, requestBytes.Length);
stream.Close();
// send request and get response.
WebResponse webResponse = httpRequest.GetResponse();
// read returned XML document.
XmlDocument reply = ReadXml(webResponse);
XmlDocument unwrapped = SoapUnwrap(reply, nspace);
if (logger != null)
{
logger.LogReply(unwrapped, config.Demo);
}
// return the XML document without the SOAP envelope.
return(unwrapped);
}
catch (WebException we)
{
// if we got HTTP status 500 (Internal Server Error), it could
// mean, the server threw a fault, in which case, we load the
// xml document from the HTTP body and throw a FaultException.
// The status would be ProtocolError if we did get HTTP 500
// and Response should not be null but we check for null just
// in case.
if (we.Status == WebExceptionStatus.ProtocolError &&
we.Response != null)
{
HttpWebResponse response = (HttpWebResponse)we.Response;
// InternalServerError corresponds to HTTP 500. And we
// proceed only if there's anything in the response body.
// That is, the contentLength is greater than zero.
if (response.StatusCode
== HttpStatusCode.InternalServerError &&
response.ContentLength > 0)
{
try
{
// read the fault document and throw a
// FaultException.
FaultException fe
= new FaultException(
ReadXml(response), nspace);
if (logger != null)
{
logger.LogFault(fe.LogString);
}
throw;
}
catch (XmlException)
{
if (logger != null)
{
logger.LogException(we);
}
// the response body is not a valid xml document.
// It is therefore not a fault. Rethrow the
// WebException object.
throw;
}
}
}
if (logger != null)
{
logger.LogException(we);
}
// the server did not throw a fault. Rethrow the WebException
// object.
throw;
}
catch (Exception e)
{
if (logger != null)
{
logger.LogException(e);
}
throw;
}
}
/// <summary>
/// Sends a CyberSource transaction request.
/// </summary>
/// <param name="request">XmlDocument object containing the request.</param>
/// <param name="config">Configuration object to use.</param>
/// <returns>XmlDocument object containing the reply.</returns>
public static XmlDocument RunTransaction(
Configuration config, XmlDocument request)
{
Logger logger = null;
string nspace = null;
try
{
nspace = GetRequestNamespace(request);
DetermineEffectiveMerchantID(ref config, request, nspace);
SetVersionInformation(request, nspace);
logger = PrepareLog(config);
if (string.IsNullOrEmpty(nspace))
{
throw new ApplicationException(
REQUEST_MESSAGE + " is missing in the XML document.");
}
SetConnectionLimit(config);
if (logger != null)
{
logger.LogRequest(request, config.Demo);
}
// obtain a copy of the request document enclosed in a SOAP envelope
XmlDocument doc = SoapWrap(request, nspace);
//Get the X509 cert and sign the SOAP Body
string keyFilePath = Path.Combine(config.KeysDirectory, config.EffectiveKeyFilename);
X509Certificate2 cert = new X509Certificate2(keyFilePath, config.EffectivePassword, X509KeyStorageFlags.Exportable | X509KeyStorageFlags.PersistKeySet);
SignDocument(cert, doc);
// convert the document into an array of bytes using the
// encoding specified in the XML declaration line.
Encoding enc = GetEncoding(doc);
byte[] requestBytes = enc.GetBytes(doc.OuterXml);
// create an HttpWebRequest object and set its properties
HttpWebRequest httpRequest
= (HttpWebRequest)WebRequest.Create(
config.EffectiveServerURL);
httpRequest.Method = "POST";
httpRequest.ContentLength = requestBytes.Length;
httpRequest.UserAgent = ".NET XML";
// set the timeout
httpRequest.Timeout = config.Timeout * 1000;
if (mProxy != null)
{
// assign our pre-created WebProxy object to the
// HttpWebRequest object's Proxy property.
httpRequest.Proxy = mProxy;
}
// obtain the request stream and write the byte array to it.
Stream stream = httpRequest.GetRequestStream();
stream.Write(requestBytes, 0, requestBytes.Length);
stream.Close();
// send request and get response.
WebResponse webResponse = httpRequest.GetResponse();
// read returned XML document.
XmlDocument reply = ReadXml(webResponse);
XmlDocument unwrapped = SoapUnwrap(reply, nspace);
if (logger != null)
{
logger.LogReply(unwrapped, config.Demo);
}
// return the XML document without the SOAP envelope.
return (unwrapped);
}
catch (WebException we)
{
// if we got HTTP status 500 (Internal Server Error), it could
// mean, the server threw a fault, in which case, we load the
// xml document from the HTTP body and throw a FaultException.
// The status would be ProtocolError if we did get HTTP 500
// and Response should not be null but we check for null just
// in case.
if (we.Status == WebExceptionStatus.ProtocolError &&
we.Response != null)
{
HttpWebResponse response = (HttpWebResponse)we.Response;
// InternalServerError corresponds to HTTP 500. And we
// proceed only if there's anything in the response body.
// That is, the contentLength is greater than zero.
if (response.StatusCode
== HttpStatusCode.InternalServerError &&
response.ContentLength > 0)
{
try
{
// read the fault document and throw a
// FaultException.
FaultException fe
= new FaultException(
ReadXml(response), nspace);
if (logger != null)
{
logger.LogFault(fe.LogString);
}
throw;
}
catch (XmlException)
{
if (logger != null)
{
logger.LogException(we);
}
// the response body is not a valid xml document.
// It is therefore not a fault. Rethrow the
// WebException object.
throw;
}
}
}
if (logger != null)
{
logger.LogException(we);
}
// the server did not throw a fault. Rethrow the WebException
// object.
throw;
}
catch (Exception e)
{
if (logger != null)
{
logger.LogException(e);
}
throw;
}
}
private static void HandleFaultException(
FaultException fe, string cybsNamespace )
{
string template = GetTemplate( "ERROR" );
/*
* The string returned in this sample is mostly to demonstrate
* how to retrieve the exception properties. Your application
* should display user-friendly messages.
*/
string content = String.Format(
"\nA fault exception was returned with fault code " +
"'{0}' and message '{1}'.", fe.Code, fe.Message );
Console.WriteLine( template, content );
if (fe.Code.Namespace.Equals( cybsNamespace ) &&
fe.Code.Name.Equals( "CriticalServerError" ))
{
/*
* The transaction may have been completed by CyberSource.
* If your request included a payment service, you should
* notify the appropriate department in your company (e.g. by
* sending an email) so that they can confirm if the request
* did in fact complete by searching the CyberSource Support
* Screens using the request id.
*
* The line below demonstrates how to retrieve the request id.
*/
Console.WriteLine( fe.RequestID );
}
}
