//------------------------------------------------------------------------------
// The contents of this file are subject to the nopCommerce Public License Version 1.0 ("License"); you may not use this file except in compliance with the License.
// You may obtain a copy of the License at http://www.nopCommerce.com/License.aspx.
//
// Software distributed under the License is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.
// See the License for the specific language governing rights and limitations under the License.
//
// The Original Code is nopCommerce.
// The Initial Developer of the Original Code is NopSolutions.
// All Rights Reserved.
//
// Contributor(s): _______.
//------------------------------------------------------------------------------
using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Net;
using System.Text;
using System.Web;
using NopSolutions.NopCommerce.BusinessLogic;
using NopSolutions.NopCommerce.BusinessLogic.Configuration.Settings;
using NopSolutions.NopCommerce.BusinessLogic.CustomerManagement;
using NopSolutions.NopCommerce.BusinessLogic.Directory;
using NopSolutions.NopCommerce.BusinessLogic.Orders;
using NopSolutions.NopCommerce.BusinessLogic.Payment;
using NopSolutions.NopCommerce.BusinessLogic.Shipping;
using NopSolutions.NopCommerce.BusinessLogic.Utils;
using NopSolutions.NopCommerce.Common;
using NopSolutions.NopCommerce.Common.Utils;
namespace NopSolutions.NopCommerce.Payment.Methods.PayPal{
/// <summary>
/// Paypal Standard payment processor
/// </summary>
public class PayPalStandardPaymentProcessor : IPaymentMethod
{
#region Fields
private bool useSandBox = true;
private string businessEmail;
private string PDTId;
#endregion
#region Ctor
/// <summary>
/// Creates a new instance of the PayPalStandardPaymentProcessor class
/// </summary>
public PayPalStandardPaymentProcessor()
{
useSandBox = SettingManager.GetSettingValueBoolean("PaymentMethod.PaypalStandard.UseSandbox");
businessEmail = SettingManager.GetSettingValue("PaymentMethod.PaypalStandard.BusinessEmail");
PDTId = SettingManager.GetSettingValue("PaymentMethod.PaypalStandard.PTIIdentityToken");
if (string.IsNullOrEmpty(businessEmail))
throw new NopException("Paypal Standard business Email is empty");
if (string.IsNullOrEmpty(PDTId))
throw new NopException("Paypal Standard PTD Id is empty");
}
#endregion
#region Utilities
/// <summary>
/// Gets Paypal URL
/// </summary>
/// <returns></returns>
private string GetPaypalUrl()
{
return useSandBox ? "https://www.sandbox.paypal.com/us/cgi-bin/webscr" :
"https://www.paypal.com/us/cgi-bin/webscr";
}
#endregion
#region Methods
/// <summary>
/// Gets PDT details
/// </summary>
/// <param name="tx">TX</param>
/// <param name="values">Values</param>
/// <param name="response">Response</param>
/// <returns>Result</returns>
public bool GetPDTDetails(string tx, out Dictionary<string, string> values, out string response)
{
HttpWebRequest req = (HttpWebRequest)WebRequest.Create(GetPaypalUrl());
req.Method = "POST";
req.ContentType = "application/x-www-form-urlencoded";
string formContent = string.Format("cmd=_notify-synch&at={0}&tx={1}", PDTId, tx);
req.ContentLength = formContent.Length;
using (StreamWriter sw = new StreamWriter(req.GetRequestStream(), Encoding.ASCII))
sw.Write(formContent);
response = null;
using (StreamReader sr = new StreamReader(req.GetResponse().GetResponseStream()))
response = HttpUtility.UrlDecode(sr.ReadToEnd());
values = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
bool firstLine = true, success = false;
foreach (string l in response.Split('\n'))
{
string line = l.Trim();
if (firstLine)
{
success = line.Equals("SUCCESS", StringComparison.OrdinalIgnoreCase);
firstLine = false;
}
else
{
int equalPox = line.IndexOf('=');
if (equalPox >= 0)
values.Add(line.Substring(0, equalPox), line.Substring(equalPox + 1));
}
}
return success;
}
/// <summary>
/// Verifies IPN
/// </summary>
/// <param name="formString">Form string</param>
/// <param name="values">Values</param>
/// <returns>Result</returns>
public bool VerifyIPN(string formString, out Dictionary<string, string> values)
{
HttpWebRequest req = (HttpWebRequest)WebRequest.Create(GetPaypalUrl());
req.Method = "POST";
req.ContentType = "application/x-www-form-urlencoded";
string formContent = string.Format("{0}&cmd=_notify-validate", formString);
req.ContentLength = formContent.Length;
using (StreamWriter sw = new StreamWriter(req.GetRequestStream(), Encoding.ASCII))
{
sw.Write(formContent);
}
string response = null;
using (StreamReader sr = new StreamReader(req.GetResponse().GetResponseStream()))
{
response = HttpUtility.UrlDecode(sr.ReadToEnd());
}
bool success = response.Trim().Equals("VERIFIED", StringComparison.OrdinalIgnoreCase);
values = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
foreach (string l in formString.Split('&'))
{
string line = l.Trim();
int equalPox = line.IndexOf('=');
if (equalPox >= 0)
values.Add(line.Substring(0, equalPox), line.Substring(equalPox + 1));
}
return success;
}
/// <summary>
/// Process payment
/// </summary>
/// <param name="paymentInfo">Payment info required for an order processing</param>
/// <param name="customer">Customer</param>
/// <param name="orderGuid">Unique order identifier</param>
/// <param name="processPaymentResult">Process payment result</param>
public void ProcessPayment(PaymentInfo paymentInfo, Customer customer, Guid orderGuid, ref ProcessPaymentResult processPaymentResult)
{
processPaymentResult.PaymentStatus = PaymentStatusEnum.Pending;
}
/// <summary>
/// Post process payment (payment gateways that require redirecting)
/// </summary>
/// <param name="order">Order</param>
/// <returns>The error status, or String.Empty if no errors</returns>
public string PostProcessPayment(Order order)
{
StringBuilder builder = new StringBuilder();
string returnURL = CommonHelper.GetStoreLocation(false) + "PaypalPDTHandler.aspx";
string cancel_returnURL = CommonHelper.GetStoreLocation(false) + "PaypalCancel.aspx";
builder.Append(GetPaypalUrl());
builder.AppendFormat("?cmd=_xclick&business={0}", HttpUtility.UrlEncode(businessEmail));
builder.AppendFormat("&item_name=Order Number {0}", order.OrderId);
builder.AppendFormat("&custom={0}", order.OrderGuid);
builder.AppendFormat("&amount={0}", order.OrderTotal.ToString("N", new CultureInfo("en-us")));
builder.Append(string.Format("&no_note=1¤cy_code={0}", HttpUtility.UrlEncode(CurrencyManager.PrimaryStoreCurrency.CurrencyCode)));
builder.AppendFormat("&invoice={0}", order.OrderId);
builder.AppendFormat("&rm=2", new object[0]);
if (order.ShippingStatus != ShippingStatusEnum.ShippingNotRequired)
builder.AppendFormat("&no_shipping=2", new object[0]);
else
builder.AppendFormat("&no_shipping=1", new object[0]);
builder.AppendFormat("&return={0}&cancel_return={1}", HttpUtility.UrlEncode(returnURL), HttpUtility.UrlEncode(cancel_returnURL));
builder.AppendFormat("&first_name={0}", HttpUtility.UrlEncode(order.BillingFirstName));
builder.AppendFormat("&last_name={0}", HttpUtility.UrlEncode(order.BillingLastName));
builder.AppendFormat("&address1={0}", HttpUtility.UrlEncode(order.BillingAddress1));
builder.AppendFormat("&address2={0}", HttpUtility.UrlEncode(order.BillingAddress2));
builder.AppendFormat("&city={0}", HttpUtility.UrlEncode(order.BillingCity));
StateProvince billingStateProvince = StateProvinceManager.GetStateProvinceById(order.BillingStateProvinceId);
if (billingStateProvince != null)
builder.AppendFormat("&state={0}", HttpUtility.UrlEncode(billingStateProvince.Abbreviation));
else
builder.AppendFormat("&state={0}", HttpUtility.UrlEncode(order.BillingStateProvince));
Country billingCountry = CountryManager.GetCountryById(order.BillingCountryId);
if (billingCountry != null)
builder.AppendFormat("&country={0}", HttpUtility.UrlEncode(billingCountry.TwoLetterIsoCode));
else
builder.AppendFormat("&country={0}", HttpUtility.UrlEncode(order.BillingCountry));
builder.AppendFormat("&Email={0}", HttpUtility.UrlEncode(order.BillingEmail));
HttpContext.Current.Response.Redirect(builder.ToString());
return string.Empty;
}
/// <summary>
/// Gets additional handling fee
/// </summary>
/// <returns>Additional handling fee</returns>
public decimal GetAdditionalHandlingFee()
{
return SettingManager.GetSettingValueDecimalNative("PaymentMethod.PaypalStandard.AdditionalFee");
}
/// <summary>
/// Captures payment
/// </summary>
/// <param name="order">Order</param>
/// <param name="processPaymentResult">Process payment result</param>
public void Capture(Order order, ref ProcessPaymentResult processPaymentResult)
{
throw new NopException("Capture method not supported");
}
/// <summary>
/// Refunds payment
/// </summary>
/// <param name="order">Order</param>
/// <param name="cancelPaymentResult">Cancel payment result</param>
public void Refund(Order order, ref CancelPaymentResult cancelPaymentResult)
{
throw new NopException("Refund method not supported");
}
/// <summary>
/// Voids payment
/// </summary>
/// <param name="order">Order</param>
/// <param name="cancelPaymentResult">Cancel payment result</param>
public void Void(Order order, ref CancelPaymentResult cancelPaymentResult)
{
throw new NopException("Void method not supported");
}
/// <summary>
/// Process recurring payment
/// </summary>
/// <param name="paymentInfo">Payment info required for an order processing</param>
/// <param name="customer">Customer</param>
/// <param name="orderGuid">Unique order identifier</param>
/// <param name="processPaymentResult">Process payment result</param>
public void ProcessRecurringPayment(PaymentInfo paymentInfo, Customer customer, Guid orderGuid, ref ProcessPaymentResult processPaymentResult)
{
throw new NopException("Recurring payments not supported");
}
/// <summary>
/// Cancels recurring payment
/// </summary>
/// <param name="order">Order</param>
/// <param name="cancelPaymentResult">Cancel payment result</param>
public void CancelRecurringPayment(Order order, ref CancelPaymentResult cancelPaymentResult)
{
}
#endregion
#region Properies
/// <summary>
/// Gets a value indicating whether capture is supported
/// </summary>
public bool CanCapture
{
get
{
return false;
}
}
/// <summary>
/// Gets a value indicating whether refund is supported
/// </summary>
public bool CanRefund
{
get
{
return false;
}
}
/// <summary>
/// Gets a value indicating whether void is supported
/// </summary>
public bool CanVoid
{
get
{
return false;
}
}
/// <summary>
/// Gets a recurring payment type of payment method
/// </summary>
/// <returns>A recurring payment type of payment method</returns>
public RecurringPaymentTypeEnum SupportRecurringPayments
{
get
{
return RecurringPaymentTypeEnum.NotSupported;
}
}
/// <summary>
/// Gets a payment method type
/// </summary>
/// <returns>A payment method type</returns>
public PaymentMethodTypeEnum PaymentMethodType
{
get
{
return PaymentMethodTypeEnum.Standard;
}
}
#endregion
}
}
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