PayU Money Gateway iOS Swift - swift2

Question

I want to integrate the payU Money sdk in my app using swift2.0
I am using this sdk: https://github.com/payu-intrepos/Documentations/wiki/8.1-NEW-iOS-Seamless-SDK-integration
Where to create the test account for testing.

Answer 1

import UIKit
var merchantKey="your live merchant key"
var salt="your live merchant salt"
var PayUBaseUrl="https://secure.payu.in"
class PaymentScreen: UIViewController,UIWebViewDelegate {
#IBOutlet weak var myWebView: UIWebView!
override func viewDidLoad() {
super.viewDidLoad()
self.initPayment()
}
func initPayment() {
var i = arc4random()
let amount = "1"
let productInfo = "Order"
let firstName = "Sample name"
let email = "abc#gmail.com"
let phone = "9999119911"
let sUrl = "https://www.google.com"
let fUrl = "https://www.bing.com"
let service_provider = "payu_paisa"
let strHash:String = self.sha1(String.localizedStringWithFormat("%d%#", i, NSDate()))
let rangeOfHello = Range(start: strHash.startIndex,
end: strHash.startIndex.advancedBy(20))
let txnid1 = strHash.substringWithRange(rangeOfHello)
let hashValue = String.localizedStringWithFormat("%#|%#|%#|%#|%#|%#|||||||||||%#",merchantKey,txnid1,amount,productInfo,firstName,email,salt)
let hash=self.sha1(hashValue)
let postStr = "txnid="+txnid1+"&key="+merchantKey+"&amount="+amount+"&productinfo="+productInfo+"&firstname="+firstName+"&email="+email+"&phone="+phone+"&surl="+sUrl+"&furl="+fUrl+"&hash="+hash+"&service_provider="+service_provider
let url = NSURL(string: String.localizedStringWithFormat("%#/_payment", PayUBaseUrl))
print("check my url", url, postStr)
let request = NSMutableURLRequest(URL: url!)
do {
let postLength = String.localizedStringWithFormat("%lu",postStr.characters.count)
request.HTTPMethod = "POST"
request.setValue("application/x-www-form-urlencoded", forHTTPHeaderField: "Current-Type")
request.setValue(postLength, forHTTPHeaderField: "Content-Length")
request.HTTPBody = postStr.dataUsingEncoding(NSUTF8StringEncoding)
myWebView.loadRequest(request)
} catch {
}
}
func webViewDidStartLoad(webView: UIWebView) {
}
func webViewDidFinishLoad(webView: UIWebView) {
let requestURL = self.myWebView.request?.URL
let requestString:String = (requestURL?.absoluteString)!
if requestString.containsString("https://www.google.com") {
print("success payment done")
}
else if requestString.containsString("https://www.bing.com") {
print("payment failure")
}
}
func webView(webView: UIWebView, didFailLoadWithError error: NSError?) {
print("double failure")
}
func sha1(toEncrypt:String) -> String {
let data = toEncrypt.dataUsingEncoding(NSUTF8StringEncoding)!
var digest = [UInt8](count:Int(CC_SHA512_DIGEST_LENGTH), repeatedValue: 0)
CC_SHA512(data.bytes, CC_LONG(data.length), &digest)
let hexBytes = digest.map { String(format: "%02x", $0) }
return hexBytes.joinWithSeparator("")
}
}

Answer 2

// Swift 4
import UIKit
import SystemConfiguration
import Foundation
class PayUMoneyViewController: UIViewController, UIWebViewDelegate, UIAlertViewDelegate {
#IBOutlet weak var webView: UIWebView!
var merchantKey = "YOUR_MARCHANT_KEY"
var salt = "YOUR_SALT_KEY"
var PayUBaseUrl = "https://secure.payu.in"
var SUCCESS_URL = "https://www.payumoney.com/payments/guestcheckout/#/success"
var FAILED_URL = "https://www.PayUmoney.com/mobileapp/PayUmoney/failure.php"
#IBOutlet weak var activityIndicator: UIActivityIndicatorView!
var request = NSMutableURLRequest()
override func viewDidLoad() {
super.viewDidLoad()
self.webView.delegate = self
self.payPayment()
self.navigationItem.hidesBackButton = true
let newBackButton = UIBarButtonItem(title: "Back", style: UIBarButtonItemStyle.plain, target: self, action: #selector(PayUMoneyViewController.back(sender:)))
self.navigationItem.leftBarButtonItem = newBackButton
}
#objc func back(sender: UIBarButtonItem) {
let alert = UIAlertController(title: "Cancel !", message: "Do you really want to cancel the transaction ?", preferredStyle: UIAlertControllerStyle.alert)
alert.addAction(UIAlertAction(title: "Yes", style: UIAlertActionStyle.default, handler: cancelTransaction))
alert.addAction(UIAlertAction(title: "No", style: UIAlertActionStyle.default, handler: nil))
self.present(alert, animated: true, completion: nil)
}
func cancelTransaction( action : UIAlertAction)
{
_ = navigationController?.popToRootViewController(animated: true)
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
func payPayment() {
var i = arc4random()
let amount = "1"
let productInfo = "Transport"
let firstName = USER_FIRST_NAME // Geet
let email = USER_EMAIL // geetbasakare#gmail.com
let phone = USER_MOBILE_NO // 1234567890
let sUrl = "https://www.google.com"
let fUrl = "https://www.bing.com"
let service_provider = "payu_paisa"
let strHash:String = self.sha1(toEncrypt: String.localizedStringWithFormat("%d%#", i, NSDate()));
let r1 = strHash.range(of: strHash)!
// String range to NSRange:
let n1 = NSRange(r1, in: strHash)
print((strHash as NSString).substring(with: n1)) //
// NSRange back to String range:
let r2 = Range(n1, in: strHash)!
print(strHash.substring(with: r2))
let rangeOfHello = Range(n1, in: strHash)!
let txnid1 = strHash.substring(with: rangeOfHello)
let hashValue = String.localizedStringWithFormat("%#|%#|%#|%#|%#|%#|||||||||||%#",merchantKey,txnid1,amount,productInfo,firstName,email,salt)
let hash = self.sha1(toEncrypt: hashValue)
let postStr = "txnid="+txnid1+"&key="+merchantKey+"&amount="+amount+"&productinfo="+productInfo+"&firstname="+firstName+"&email="+email+"&phone="+phone+"&surl="+sUrl+"&furl="+fUrl+"&hash="+hash+"&service_provider="+service_provider
let url = NSURL(string: String.localizedStringWithFormat("%#/_payment", PayUBaseUrl))
print("check my url", url as Any, postStr)
let request = NSMutableURLRequest(url: url! as URL)
do {
let postLength = String.localizedStringWithFormat("%lu",postStr.characters.count)
request.httpMethod = "POST"
request.setValue("application/x-www-form-urlencoded", forHTTPHeaderField: "Current-Type")
request.setValue(postLength, forHTTPHeaderField: "Content-Length")
request.httpBody = postStr.data(using: String.Encoding.utf8)
webView.loadRequest(request as URLRequest)
} catch {
print(error)
}
}
func webViewDidFinishLoad(_ webView: UIWebView) {
let requestURL = self.webView.request?.url
let requestString:String = (requestURL?.absoluteString)!
if (requestString == SUCCESS_URL) {
print("success payment done")
}
else if (requestString == FAILED_URL) {
print("payment failure")
}
}
func webView(_ webView: UIWebView, didFailLoadWithError error: Error) {
print("double failure")
}
func sha1(toEncrypt: String) -> String {
var digest = [UInt8](repeating: 0, count: Int(CC_SHA512_DIGEST_LENGTH))
if let data = toEncrypt.data(using: String.Encoding.utf8) {
let value = data as NSData
CC_SHA512(value.bytes, CC_LONG(data.count), &digest)
}
var digestHex = ""
for index in 0..<Int(CC_SHA512_DIGEST_LENGTH) {
digestHex += String(format: "%02x", digest[index])
}
return digestHex
}
/*
func sha1(toEncrypt:String) -> String {
var data = toEncrypt.data(using: String.Encoding.utf8)!
var digest = [UInt8](repeating: 0, count:Int(CC_SHA512_DIGEST_LENGTH))
_ = data.withUnsafeBytes {messageBytes in
CC_SHA512(messageBytes, CC_LONG(data.count), &digest)
}
let hexBytes = digest.map { String(format: "%02x", $0) }
return hexBytes.joined(separator: "")
}
*/
}

Answer 3

You can create a test account as described in the following help documentation, and you need not perform KYC in this regard. Later, you can use the Key and Salt on the Payment Gateway page of the Dashboard.
https://devguide.payu.in/low-code-web-sdk/getting-started-low-code-web-sdk/register-for-a-test-merchant-account/