/// <summary>
/// Sends request to the server and returns responses.
/// </summary>
/// <returns>
/// Array of Response returned by server.
/// </returns>
public Response[] GetResponses()
{
List<Response> responses = new List<Response>();
HttpWebRequest request = CreateWebRequest();
HttpWebResponse webResponse = (HttpWebResponse)request.GetResponse();
string responseText = new StreamReader(webResponse.GetResponseStream()).ReadToEnd();
XElement responseXml = XElement.Parse(responseText);
IEnumerable<XElement> envelopeElements = responseXml.Descendants(OperationEnvelopeNodeName);
foreach (XElement envelope in envelopeElements)
{
Response liqpayResponse;
string encodedOperationXml = envelope.Element(OperationXmlNodeName).Value.Trim();
string operationXml = Encoding.UTF8.GetString(Convert.FromBase64String(encodedOperationXml));
string signature = envelope.Element(SignatureNodeName).Value.Trim();
if (this.SignatureProvider.GenerateSignature(operationXml) == signature)
liqpayResponse = Response.Create(operationXml);
else
liqpayResponse = new InvalidResponse(ErrorCode.SignatureError, "Signatures does not match.", responseText);
responses.Add(liqpayResponse);
}
return responses.ToArray();
}
/// <summary>
/// Parses server operation response XML and creates instance of class derived from Response which describes concrete response.
/// </summary>
/// <param name="operationXml">
/// Operation response XML returned by server
/// </param>
/// <returns>
/// Instance of class derived from Response which represents parsed operation response
/// </returns>
public static Response Create(string operationXml)
{
Response response;
try
{
XElement operationXmlElement = XElement.Parse(operationXml);
string action = operationXmlElement.Element(ActionNodeName).Value.Trim();
switch (action.ToLower(CultureInfo.InvariantCulture))
{
case LiqPayAction.SendMoney:
response = SendMoneyResponse.FromXml(operationXmlElement);
break;
case LiqPayAction.ViewBalance:
response = ViewBalanceResponse.FromXml(operationXmlElement);
break;
case LiqPayAction.ViewTransaction:
response = ViewTransactionResponse.FromXml(operationXmlElement);
break;
case LiqPayAction.PhoneCredit:
response = PhoneCreditResponse.FromXml(operationXmlElement);
break;
default:
throw new LiqPayException(ErrorCode.UnknownAction, string.Format(CultureInfo.InvariantCulture, "Unknown LiqPay action: '{0}'.", action), operationXml);
}
response.Action = action;
response.ApiVersion = operationXmlElement.Element(VersionNodeName).Value.Trim();
response.Status = operationXmlElement.Element(StatusNodeName).Value.Trim();
if (!response.Success)
{
response.Code = operationXmlElement.Element(CodeNodeName).Value.Trim(ResponseTrimChars);
response.ResponseDescription = operationXmlElement.Element(ResponseDescriptionNodeName).Value.Trim(ResponseTrimChars);
}
}
catch
{
response = new InvalidResponse();
response.ResponseDescription = "Response xml is not well formed.";
}
response.ResponseText = operationXml;
return response;
}
