private static void ValidateRequest(RelyingPartyRequest relyingPartyRequest)
{
if (relyingPartyRequest == null)
{
throw new FrejaEidClientInternalException(message: "Request cannot be null value.");
}
}
public T Send <T>(Uri methodUrl, string requestTemplate, RelyingPartyRequest relyingPartyRequest, string relyingPartyId) where T : FrejaHttpResponse
{
HttpWebResponse response = null;
HttpWebRequest request = null;
Enums.HttpStatusCode httpStatusCode;
string responseString = String.Empty;
int numberOfTries = 0;
while (numberOfTries < DEFAULT_NUMBER_OF_RETRIES)
{
try
{
request = (HttpWebRequest)HttpWebRequest.Create(methodUrl);
ServicePoint currentServicePoint = request.ServicePoint;
currentServicePoint.ConnectionLimit = MAXIMUM_NUMBER_OF_HTTP_CONNECTIONS;
string jsonRequest = jsonService.SerializeToJson(relyingPartyRequest);
string jsonRequestB64 = Base64Encode(jsonRequest);
string requestBody = String.Format(requestTemplate, jsonRequestB64);
if (relyingPartyId != null)
{
string relyingPartyIdRequest = String.Format(RequestTemplate.RELYING_PARTY_ID_TEMPLATE, relyingPartyId);
requestBody += POST_PARAMS_DELIMITER + relyingPartyIdRequest;
}
request.ClientCertificates = new X509Certificate2Collection {
clientCertificate
};
ServicePointManager.ServerCertificateValidationCallback += (sender, certificate, chain, errors) =>
{
return(errors == SslPolicyErrors.None && serverCertificate.GetCertHashString().Equals(certificate.GetCertHashString()));
};
request.Method = HttpMethod.Post.ToString();
byte[] requestBytes = Encoding.UTF8.GetBytes(requestBody);
request.ContentLength = requestBytes.Length;
request.ContentType = CONTENT_TYPE;
request.UserAgent = userAgentHeader;
request.Timeout = connectionTimeout;
request.ReadWriteTimeout = readTimeout;
Stream requestStream = request.GetRequestStream();
requestStream.Write(requestBytes, 0, requestBytes.Length);
requestStream.Close();
response = (HttpWebResponse)request.GetResponse();
responseString = ExtractResponseFromStream(response);
return(jsonService.DeserializeFromJson <T>(responseString));
}
catch (Exception e)
{
numberOfTries++;
if (e is WebException webException)
{
Console.WriteLine(e.Message);
HttpWebResponse exceptionResponse = webException.Response as HttpWebResponse;
if (exceptionResponse != null)
{
httpStatusCode = (Enums.HttpStatusCode)((int)exceptionResponse.StatusCode);
switch (httpStatusCode)
{
case Enums.HttpStatusCode.NO_CONTENT:
return((T) new FrejaHttpResponse());
case Enums.HttpStatusCode.BAD_REQUEST:
case Enums.HttpStatusCode.UNPROCESSABLE_ENTITY:
FrejaHttpErrorResponse errorResponse = jsonService.DeserializeFromJson <FrejaHttpErrorResponse>(ExtractResponseFromStream(exceptionResponse));
throw new FrejaEidException(errorResponse.Message, errorResponse.Code);
default:
if (numberOfTries >= DEFAULT_NUMBER_OF_RETRIES)
{
throw new FrejaEidException(message: $"HTTP code {exceptionResponse.StatusCode}.");
}
break;
}
}
}
else
{
if (numberOfTries >= DEFAULT_NUMBER_OF_RETRIES)
{
throw new FrejaEidClientInternalException(message: "Failed to send HTTP request.", cause: e);
}
}
}
finally
{
if (response != null)
{
try
{
response.Close();
}
catch (Exception ex)
{
throw new FrejaEidClientInternalException(message: "Failed to close HTTP connection.", cause: ex);
}
}
}
}
throw new FrejaEidClientInternalException(message: "Failed to send HTTP request.");
}
