I am using Paypal IPN
I have written a script that works fine with the Web Accept transaction type when used with the simulator. I get the variables back and process them etc However when I switch the transaction type to express checkout it stops working. Can anyone help me figure out why?
My code is in PHP
The question is sort of old, but in case others land on this page with the same problem... If you're using the IPN Listener code from the official PayPal Developer site, you probably still have some code in there that's expecting specific form POST items, and that's the problem. Those items do not exist in the IPN Simulator's Express Checkout messages. Here's the problematic code:
// assign posted variables to local variables
$item_name = $_POST['item_name'];
$item_number = $_POST['item_number'];
The Express Checkout form post will not have item_name nor item_number, but it will have item_name1 and item_number1. So, a good solution would be to take out all those lines of code, in that section, that specify form field names, and instead iterate through all the form fields. In the loop, you can test for existence of expected items, if needed. Or, if you just want to do something with the full set of form items, you could do that, like this:
foreach($_POST as $key => $value) {
$strOutput .= $key . " = " . $value . "|";
}
FYI... The problematic code was found here:
https://developer.paypal.com/docs/classic/ipn/ht_ipn/
...and here:
https://gist.github.com/xcommerce-gists/3440401#file-completelistener-php
Related
In the past I have used html forms to pass hidden 'custom' and 'invoice' parameters to Paypal during Credit Card transactions, using Paypal-Pro, so that I can use them in the IPN response later. However I can't seem to work out how to set/send these two parameters using Omnipay. If anyone could point me in the right direction here it would be appreciated.
See duplicate posting:
https://github.com/omnipay/paypal/issues/10
You can use:
$request->setTransactionId();
$request->setDescription();
or
$data = $request->getData();
$data['RANDOM_DATA'] = 'hello';
$request->sendData($data);
instead of simply calling $request->send().
I am using a paypal ipn script i found here
http://coderzone.org/library/PHP-PayPal-Instant-Payment-Notification-IPN_1099.htm
I am aware that I can send information to paypal and get a response. It states I can get the information back using $_POST . My query is how do I specify the UK currency?
Also wanted to clarify a minor point. Am I correct that this is how i can confirm it was a success.
if ($_POST['payment_status'] == 'completed')
// Received Payment!
// $_POST['custom'] is order id and has been paid for.
}
This might be a little late for you sorry, but just in case - I currently use "currencyCode" = > "AUD" and it is working in the sandbox.
There's a full list of the currency codes available at PayPal
For yours, I'm guessing it would be:
$p->add_field('currencyCode', 'GBP');
As for your question about the IPN itself, it looks like you're on the right track. It will depend on the data you're getting back and whether you're interested in the individual transactions (if using adaptive payments) or if you're reversing them all on error etc. The easiest way to determine what you'll need to do is to simply display or log all the post data so you can see how it's constructed.
You'll also need to set it up so that the script is accessible by PayPal. You'll then pass the full URL of this script to the "notify_url" parameter and send it off to PayPal. Once the payment has completed PayPal will send a bunch of information to your script so that you can process it.
Unfortunately I'm not from a PHP background so I can't give you the exact code you'll need. Also note that there are a lot of security issues that you'll want to look into before going to a production environment. Not sure if you already intend to do this with that validateIPN function, but you need to ensure that you can tell whether it comes from PayPal and not a malicious user. One way would be to pass a value using the custom attribute and have PayPal pass this back to you, however you'd be much better off using the API certificates etc.
If you haven't already, it may be worth checking out a few of the sample applications PayPal has done up, there seem to be quite a few PHP ones.
Let me know if you need anything else,
Use this, it works for me
$p->add_field('currency_code', 'GBP');
You need to use PayPal Adaptive Payments, IPN wouldn't help.
PayPal Adaptive Payments
Using PayPal PHP library then it could look like this:
// Create an instance, you'll make all the necessary requests through this
// object, if you digged through the code, you'll notice an AdaptivePaymentsProxy class
// wich has in it all of the classes corresponding to every object mentioned on the
// documentation of the API
$ap = new AdaptivePayments();
// Our request envelope
$requestEnvelope = new RequestEnvelope();
$requestEnvelope->detailLevel = 0;
$requestEnvelope->errorLanguage = 'en_GB';
// Our base amount, in other words the currency we want to convert to
// other currency type. It's very straighforward, just have a public
// prop. to hold de amount and the current code.
$baseAmountList = new CurrencyList();
$baseAmountList->currency = array( 'amount' => $this->amount, 'code' => 'GBP' );
// Our target currency type. Given that I'm from Mexico I would like to
// see it in mexican pesos. Again, just need to provide the code of the
// currency. On the docs you'll have access to the complete list of codes
$convertToCurrencyListUSD = new CurrencyCodeList();
$convertToCurrencyListUSD->currencyCode = 'USD';
// Now create a instance of the ConvertCurrencyRequest object, which is
// the one necessary to handle this request.
// This object takes as parameters the ones we previously created, which
// are our base currency, our target currency, and the req. envelop
$ccReq = new ConvertCurrencyRequest();
$ccReq->baseAmountList = $baseAmountList;
$ccReq->convertToCurrencyList = $convertToCurrencyListUSD;
$ccReq->requestEnvelope = $requestEnvelope;
// And finally we call the ConvertCurrency method on our AdaptivePayment object,
// and assign whatever result we get to our variable
$resultUSD = $ap->ConvertCurrency($ccReq);
$convertToCurrencyListUSD->currencyCode = 'EUR';
$resultEUR = $ap->ConvertCurrency($ccReq);
// Given that our result should be a ConvertCurrencyResponse object, we can
// look into its properties for further display/processing purposes
$resultingCurrencyListUSD = $resultUSD->estimatedAmountTable->currencyConversionList;
$resultingCurrencyListEUR = $resultEUR->estimatedAmountTable->currencyConversionList;
I am currently testing an online store using a custom cart within paypal sandbox.
I am able to go trough all transcation steps properly
setExpressCheckout-> pay -> DoExpressCheckout.
During the DoExpressCheckout step I think it would be the good time to update my database with the order. For that I use the GetExpressCheckoutDetails function to retrieve the content of the transaction.
Sadly this function return everything paypal has to offer but miss the content of my cart. All i can get is the detail of one item. If the transaction involve multiple items i would only get the details of the first one.
Here is my code (mostly taken from paypal samples) :
$token =urlencode( $_REQUEST['token']);
$payerId=urlencode( $_REQUEST['PayerID']);
$getExpressCheckoutDetailsRequest = new GetExpressCheckoutDetailsRequestType($token);
$getExpressCheckoutReq = new GetExpressCheckoutDetailsReq();
$getExpressCheckoutReq->GetExpressCheckoutDetailsRequest = $getExpressCheckoutDetailsRequest;
$paypalService = new PayPalAPIInterfaceServiceService();
$getECResponse = $paypalService->GetExpressCheckoutDetails($getExpressCheckoutReq);
$details = $getECResponse->GetExpressCheckoutDetailsResponseDetails;
// $details->PaymentDetails->PaymentDetailsItem this array should hold all items details
// sadly it always have 1 element instead of the full content of my cart :(
$orderTotal = $details->PaymentDetails->OrderTotal;
$PaymentDetails= new PaymentDetailsType();
$PaymentDetails->OrderTotal = $orderTotal;
//
Some stuff with payment details
//
$DoECRequestDetails = new DoExpressCheckoutPaymentRequestDetailsType();
$DoECRequest = new DoExpressCheckoutPaymentRequestType();
$DoECRequest->DoExpressCheckoutPaymentRequestDetails = $DoECRequestDetails;
$DoECReq = new DoExpressCheckoutPaymentReq();
$DoECReq->DoExpressCheckoutPaymentRequest = $DoECRequest;
$DoECResponse = $paypalService->DoExpressCheckoutPayment($DoECReq);
Do i miss a step or call a bad function. Because i tried to print_r every variable i came across and the full content of my cart was nowhere to be found. I find this strange since the 'orderTotal' of the transaction match with my original cart. I could store my original order during the SetExpressCheckout step but since paypal already have those values i find it redundant.
As a last resort I did found the content of my cart using $paypalService->getLastRequest() but seriously this is the raw XML returned by paypal and the api should be parsing it properly :(.
Thanks for reading
I had this exact same issue - while the XML returned by PayPal is fine, their PHP SDK doesn't parse it properly, so you can only ever see the last item in GetExpressCheckout.
I've posted a fix for this problem in an issue on PayPal's GitHub, please check it out:
https://github.com/paypal/SDKs/issues/37
See above is a picture of new order acknowledgement email of Magento.
On the website we're developing we use Fontis Australia extension (http://www.magentocommerce.com/magento-connect/fontis-australia.html) to implement BPay payment method. The extension works ok, except that on the order acknowledgement email, the Email ref always show 000000.
I try to look at it and see that the ref number generated need the order ID as input to generate the correct ref number.
The extension use this code to get the last order number on payment info block:
$order_id = Mage::getSingleton('checkout/session')->getLastRealOrderId();
I try to use and print the result from other controller, it shows the correct order number. But seems that for the payment info block on email, the order number info can't be retrieved. Actually the same block also called out on the checkout success page, and it shows correctly.
Can somebody suggest other way to get the last order id on payment info block on Magento Email?
In info template you can use $order = $this->getInfo()->getOrder(); to get Mage_Sales_Model_Order object. Then you can get current order id by $order->getData('increment_id').
But with this code, you get error in checkout process, because $this->getInfo() returns other model.
So dirty solution, that works for me without errors, is:
$info = $this->getInfo();
if ($info instanceof Mage_Sales_Model_Order_Payment) {
$order = $info->getOrder();
echo $order->getData('increment_id'));
}
I am trying IPN callback, using servlet. The code I am using is provided by paypal for verifying the ipn data. But every time i getting a INVALID response.
Here is the code:
Enumeration en = req.getParameterNames();
String str = "cmd=_notify-validate";
while (en.hasMoreElements()) {
String paramName = (String) en.nextElement();
String paramValue = req.getParameter(paramName);
//str = str + "&" + paramName + "=" + URLEncoder.encode(paramValue,"UTF-8"); // for UTF-8 i set the encode format in my account as UTF-8
//str = str + "&" + paramName + "=" + URLEncoder.encode(paramValue,"ISO-8859-1");// for ISO-8859-1 i set the encode format in my account as ISO-8859-1
str = str + "&" + paramName + "=" + URLEncoder.encode(paramValue); //default as provided by paypal
}
URL u = new URL("http://www.sandbox.paypal.com/cgi-bin/webscr");
URLConnection uc = u.openConnection();
uc.setDoOutput(true);
uc.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
PrintWriter pw = new PrintWriter(uc.getOutputStream());
pw.println(str);
pw.close();
BufferedReader in = new BufferedReader(new InputStreamReader(uc.getInputStream()));
String res = in.readLine();
in.close();
if (res.equals("VERIFIED") || !res.equals("VERIFIED")) {
//Update database...
} else if (res.equals("INVALID")) {
//INVALID
}
I have checked all three possibilities provided by paypal in case paypal return INVALID as follow:
1) Missing Parameters - As I am send all the parameters no issue of missing parameters
2) Invalid URL. - I am using sandbox so URL is : http://www.sandbox.paypal.com/cgi-bin/webscr
3) Character encoding. - Tried with character encoding same as paypal account setting parameter encoding.
the request I am sending back to paypal using following parameters:
cmd=_notify-validate&last_name=User&test_ipn=1&address_name=Test+User&txn_type=web_accept&receiver_email=sellr1_1252495907_biz%40gmail.com&residence_country=US&address_city=San+Jose&payment_gross=&payment_date=01%3A55%3A04+Sep+26%2C+2009+PDT&address_zip=95131&payment_status=Completed&address_street=1+Main+St&first_name=Test&payer_email=buyer1_1252495751_per%40gmail.com&protection_eligibility=Eligible&payer_id=BXBKS22JQCUWL&verify_sign=AOMkeg7ofCL7FJfioyWA19uCxD4XAgZirsjiGh8cUy1fd2YAqBwOkkst&payment_type=instant&business=sellr1_1252495907_biz%40gmail.com&address_country_code=US&mc_fee=0.64&address_status=confirmed&transaction_subject=True+Up&quantity=1¬ify_version=2.8&mc_currency=EUR&custom=&address_state=CA&payment_fee=&handling_amount=0.00&payer_status=verified&shipping=0.00&item_name=True+Up&tax=0.00&username=hannonj&charset=windows-1252&item_number=567&mc_gross=10.00&txn_id=7F456350BS7942738&receiver_id=MASSU6BSR9SC2&address_country=United+States
Please , can any one direct me to proper direction? I am not getting what is wrong the code or the URL or anything else. I tried all the possibilities. Please help me.
An “INVALID” message is due to the following reasons:
Check that your are posting your response to the correct URL, which is https://www.sandbox.paypal.com/cgi-bin/webscr or https://www.paypal.com/cgi-bin/webscr, depending on whether you are testing in the Sandbox or you are live, respectively.
Verify that your response to the test IPN message contains exactly the same variables and values as the test message and that they are in the same order as in the test message. Finally, verify that the original variables are preceded by a cmd=_notify-validate variable.
Ensure that you are encoding your response string and are using the same character encoding as used by the test IPN message. (for example, I can see that he is using letters with umlaut and other symbols like “/”, etc).
With regard to the last point, the merchant can try to change the encoding language in use in his PayPal account, following the steps below:
Login on you PayPal account
Click on Profile
Click on “My Selling Preferences” tab
Click on “PayPal Button Language Encoding” (at the end of the page)
Click on "Other Options"
Select from the drop down menu: UTF-8
Choose the same charset also for the second option, which is related to IPN
Click “Save”
If the issue persists, we recommend to review the script in use, PayPal has some IPN code samples available at: https://github.com/paypal/ipn-code-samples
For additional information I include the link: https://developer.paypal.com/webapps/developer/docs/classic/ipn/integration-guide/IPNTesting/#id091GFE00WY4
I'm pretty sure the URL to send to is just "www.sandbox.paypal.com", see chapter 4 of Sandbox User Guide, and well, this is what I put for my own code (incidentally, for live, it is also just "www.paypal.com", for their sample code)
Thank you guys for your reply.
ohhh I solved it at last.
Actually in notify URL I also added a username parameter. Paypal want the parameter values for IPN same as it return to the servlet.(You can get it as req.getParameterNames()). As I have username parameter extra, which is not known to paypal. Paypal was returning INVALID.
Remember paypal's sandbox has completely different credentials. You must have development account and be logged into development panel to use sandbox.
If you're testing Paypal IPN over SSL, you will have to use ssl://www.sandbox.paypal.com on the port 443
I ran into multiple problems layered on top of each other before I could get Paypal IPN working - it kept returning INVALID but was not specific about which part I was getting wrong, unfortunately.
Things I got wrong:
Sandbox - if you use the Sandbox you need to use the entire Sandbox environment. It requires creating a new, separate account on the Paypal Sandbox website. The Sandbox API credentials it sets up under your regular account are not enough. You then use that separate Paypal account to file fake transactions on the Paypal Sandbox website, and watch them come across IPN on the Sandbox endpoint. The need for this second account is not obvious or clear at all in setting up API access. Also, switching between Sandbox and Live requires more than switching the URL, you need to switch the credentials. So a simple compile flag alternating a string isn't going to cut it.
Live - if you use the Live environment a number of things will get in your way. For us, it took a long time for Paypal to open up "Business" access to us. It wouldn't provide us anything over the API until that was enabled. When we initially applied we were flatly denied with no explanation or timeline to resolve it. A month later ish of taking payments (with no API to keep us up to date with those payments) it seemed to just magically start working.
Code example - the code example provided by Paypal is outdated, and has some clear issues. Here's an example that uses modern TPL/async:
// Send the verification back to Paypal in the format Paypal requested
var verif = (HttpWebRequest)WebRequest.Create(ipnVerifyUrl);
verif.Method = "POST";
verif.ContentType = "application/x-www-form-urlencoded";
var param = req.BinaryRead(req.TotalBytes);
var sRequest = Encoding.ASCII.GetString(param);
sRequest = "cmd=_notify-validate&" + sRequest;
verif.ContentLength = sRequest.Length;
using (var streamOut = new StreamWriter(verif.GetRequestStream(), Encoding.ASCII))
{
await streamOut.WriteAsync(sRequest);
}
// Send it
using (var re = await verif.GetResponseAsync())
{
var s = await HttpWebRequestAsync.GetFullResponseStringAsync((HttpWebResponse)re);
// Log the response (s)
}
Besides this code actually working (This is exactly what we have in Production, with some of our logging library calls stripped out), this code won't freeze a thread while waiting on network.
The awaits allow the thread to step away while the network does its thing, both in writing the verification request to Paypal, and in receiving the response back, both of which could be a long time.