public bool ExpressCheckout(string name, string description, string price, string quantity, string currency, ref string token, ref string retMsg)
{
bool flag;
try
{
string str = "www.paypal.com";
NVPCodec codec = new NVPCodec {
["METHOD"] = "SetExpressCheckout",
["RETURNURL"] = this.returnURL,
["CANCELURL"] = this.cancelURL
};
double num = Convert.ToDouble(quantity, CultureInfo.InvariantCulture);
double num2 = Convert.ToDouble(price, CultureInfo.InvariantCulture);
double num3 = num * num2;
codec["L_PAYMENTREQUEST_0_NAME0"] = name;
codec["L_PAYMENTREQUEST_0_DESC0"] = description;
codec["L_PAYMENTREQUEST_0_AMT0"] = price;
codec["L_PAYMENTREQUEST_0_QTY0"] = quantity;
codec["PAYMENTREQUEST_0_AMT"] = num3.ToString();
codec["PAYMENTREQUEST_0_ITEMAMT"] = num3.ToString();
codec["PAYMENTREQUEST_0_PAYMENTACTION"] = "SALE";
codec["PAYMENTREQUEST_0_CURRENCYCODE"] = currency;
string nvpRequest = codec.Encode();
string nvpstring = this.HttpCall(nvpRequest);
NVPCodec codec2 = new NVPCodec();
codec2.Decode(nvpstring);
string str4 = codec2["ACK"].ToLower();
if ((str4 != null) && ((str4 == "success") || (str4 == "successwithwarning")))
{
token = codec2["TOKEN"];
string str5 = "https://" + str + "/cgi-bin/webscr?cmd=_express-checkout&token=" + token + "&useraction=COMMIT";
retMsg = str5;
return(true);
}
retMsg = "ErrorCode=" + codec2["L_ERRORCODE0"] + "&Desc=" + codec2["L_SHORTMESSAGE0"] + "&Desc2=" + codec2["L_LONGMESSAGE0"];
flag = false;
}
catch (Exception exception)
{
throw exception;
}
return(flag);
}
public bool GetDetails(string token, ref NVPCodec decoder, ref string retMsg)
{
string nvpRequest = new NVPCodec {
["METHOD"] = "GetExpressCheckoutDetails",
["TOKEN"] = token
}.Encode();
string nvpstring = this.HttpCall(nvpRequest);
decoder = new NVPCodec();
decoder.Decode(nvpstring);
string str3 = decoder["ACK"].ToLower();
if ((str3 != null) && ((str3 == "success") || (str3 == "successwithwarning")))
{
return(true);
}
retMsg = "ErrorCode=" + decoder["L_ERRORCODE0"] + "&Desc=" + decoder["L_SHORTMESSAGE0"] + "&Desc2=" + decoder["L_LONGMESSAGE0"];
return(false);
}
public bool ConfirmPayment(string finalPaymentAmount, string token, string PayerId, string currency, ref NVPCodec decoder, ref string retMsg)
{
string nvpRequest = new NVPCodec {
["METHOD"] = "DoExpressCheckoutPayment",
["TOKEN"] = token,
["PAYMENTACTION"] = "Sale",
["PAYERID"] = PayerId,
["AMT"] = finalPaymentAmount,
["CURRENCYCODE"] = currency
}.Encode();
string nvpstring = this.HttpCall(nvpRequest);
decoder = new NVPCodec();
decoder.Decode(nvpstring);
string str3 = decoder["ACK"].ToLower();
if ((str3 != null) && ((str3 == "success") || (str3 == "successwithwarning")))
{
return(true);
}
retMsg = "ErrorCode=" + decoder["L_ERRORCODE0"] + "&Desc=" + decoder["L_SHORTMESSAGE0"] + "&Desc2=" + decoder["L_LONGMESSAGE0"];
return(false);
}
private string buildCredentialsNVPString()
{
NVPCodec codec = new NVPCodec();
if (!IsEmpty(this.APIUsername))
{
codec["USER"] = this.APIUsername;
}
if (!IsEmpty(this.APIPassword))
{
codec["PWD"] = this.APIPassword;
}
if (!IsEmpty(this.APISignature))
{
codec["SIGNATURE"] = this.APISignature;
}
if (!IsEmpty(this.Subject))
{
codec["SUBJECT"] = this.Subject;
}
codec["VERSION"] = "84.0";
return(codec.Encode());
}
