/// <summary>
/// Calls the platform API web service for given payload and returns the response payload.
/// </summary>
/// <returns>returns the response payload</returns>
public string MakeRequest(string method, string requestPayload, string apiUserName,
string accessToken, string accessTokenSecret)
{
ConfigManager configMgr = ConfigManager.Instance;
string uri, responseString = string.Empty;
AuthenticationHandler authHandler = new AuthenticationHandler(apiUserName);
// Construct the URL to invoke
if (configMgr.GetProperty("binding") != "SOAP")
{
uri = GetAPIEndpoint(method);
}
else
{
uri = configMgr.GetProperty("endpoint");
}
log.Debug("Connecting to " + uri);
// Constructing HttpWebRequest object
ConnectionManager conn = ConnectionManager.Instance;
HttpWebRequest httpRequest = conn.GetConnection(uri);
httpRequest.Method = RequestMethod;
// Set up Headers
if (accessToken != null && accessTokenSecret != null)
{
authHandler.SetOAuthToken(accessToken, accessTokenSecret);
}
authHandler.SetAuthenticationParams(httpRequest, uri);
if (configMgr.GetProperty("binding") == "SOAP")
{
requestPayload = authHandler.AppendSoapHeaders(requestPayload, accessToken, accessTokenSecret);
}
else
{
httpRequest.Headers.Add(BaseConstants.XPAYPALREQUESTDATAFORMAT, BaseConstants.RequestDataformat);
httpRequest.Headers.Add(BaseConstants.XPAYPALRESPONSEDATAFORMAT, BaseConstants.ResponseDataformat);
httpRequest.Headers.Add(BaseConstants.XPAYPALDEVICEIPADDRESS, configMgr.GetProperty("IPAddress"));
}
// Add tracking header
httpRequest.Headers.Add(BaseConstants.XPAYPALREQUESTSOURCE,
BaseConstants.SDK_NAME + "-" + BaseConstants.SDK_VERSION);
if (log.IsDebugEnabled)
{
foreach (string headerName in httpRequest.Headers)
{
log.Debug(headerName + ":" + httpRequest.Headers[headerName]);
}
}
// Adding payLoad to HttpWebRequest object
using (StreamWriter myWriter = new StreamWriter(httpRequest.GetRequestStream()))
{
myWriter.Write(requestPayload);
log.Debug(requestPayload);
}
// Fire request. Retry if configured to do so
int numRetries = (configMgr.GetProperty("requestRetries") != null) ?
int.Parse(configMgr.GetProperty("requestRetries")) : 0;
int retries = 0;
do
{
try
{
// calling the plaftform API web service and getting the response
using (WebResponse response = httpRequest.GetResponse())
{
using (StreamReader sr = new StreamReader(response.GetResponseStream()))
{
responseString = sr.ReadToEnd();
log.Debug("Service response");
log.Debug(responseString);
return(responseString);
}
}
}
// server responses in the range of 4xx and 5xx throw a WebException
catch (WebException we)
{
HttpStatusCode statusCode = ((HttpWebResponse)we.Response).StatusCode;
log.Info("Got " + statusCode.ToString() + " response from server");
if (!RequiresRetry(we))
{
throw new ConnectionException("Invalid HTTP response " + we.Message);
}
}
catch (System.Exception ex)
{
throw ex;
}
} while (retries++ < numRetries);
throw new ConnectionException("Invalid HTTP response");
}