Payumoney Payment Gateway Integration Using REST API

Question

i am developing web app that is total restful front-end using angular and backend nodejs,express and mongodb. i am trying to integrate payumoney payment gateway with my web app. Plz Go through this https://www.payumoney.com/developer-doc-api.html api is returning html page when i hit payment Endpoint https://test.payu.in/_payment. i don't know how to make user to redirect to payumoney payment page. Before All this i am getting error Checksum Failed. iam sending data in this format

request.post({
                url: 'https://test.payu.in/_payment',
                headers: {
                    Authorization:'4sOSsCZXIopj4XvbddLX8kF7tmlTu2UZsjHVAwPt404=' 
                       },
                form:  { 
      key: 'lfX7uR',
      txnid: 578cb861e9c38ecc185ec8e7,
      firstname: 'Rayees',
      lastname: 'Mir',
      email: 'rayees@mir.com',
      phone: '9797187225',
      productinfo: '{"_id":"57611c58763eb9c0116d6def","expiryDate":"2016-09-15T09:14:00.536Z","amount":8600,"updated":"2016-06-22T13:55:43.176Z","user":"5757c59e3d47bd50118e07c7","__v":27,"status":"active","created":"2016-06-15T09:14:00.533Z","products":[{"_id":"575a9257685404601d1da5c0","quantity":3,"salesPrice":200,"addedDate":"2016-06-15T15:29:29.525Z","listPrice":50},{"_id":"575a9286ee1ca30c27abb9eb","quantity":20,"salesPrice":400,"addedDate":"2016-06-22T13:55:43.176Z","listPrice":210}]}',
      amount: 8200,
      surl: 'https://www.google.com',
      furl: 'https://www.facebook.com',
      hash: '',
      service_provider: '',
      address1: '',
      address2: '',
      city: '',
      state: '',
      country: '',
      zipcode: '',
      udf1: '',
      udf2: '',
      udf3: '',
      udf4: '',
      udf5: '',
      udf6: '',
      udf7: '',
      udf8: '',
      udf9: '',
      udf10: '' }
            },function(result){
                console.log(result);
            });

were you able to do this. If yes can u pls share the code? I am trying something similar and looking for some reference code — Srini, May 01 '17 at 13:18

score 0 · Answer 1 · edited Sep 21 '18 at 19:24

You need to Calculate the Hash of your request data before proceeding further, according to the documentation you should create hash on server side, here is the sample code:

<?php
error_reporting(0);

$salt = "eCwWELxi"; # salt value need to be picked from your database
$amount = $_POST["amount"]; # amount need to be picked up from your database
$reverseHash = generateReverseHash();

if ($_POST["hash"] == $reverseHash) {
    # transaction is successful
    # do the required javascript task
    echo("Transaction Success & Verified");
    AndroidSuccess($_POST["amount"]);
}
else{
    # transaction is tempered
    # handle it as required
    echo("<br>");
    echo "\nInvalid transaction";
}

# For Android Success
function AndroidSuccess($input) {
    echo '<script type="text/javascript">';
    echo 'PayU.onSuccess("Amount =" +'.$_POST["amount"].')';
    echo "</script>";
}

# Function to generate reverse hash
function generateReverseHash() {
    global $salt;
    global $amount;
    if ($_POST["additional_charges"] != null) {
        $reversehash_string = $_POST["additional_charges"] . "|" . $salt . "|" . $_POST["status"]  . "||||||" . $_POST["udf5"] . "|" . $_POST["udf4"] . "|" . $_POST["udf3"] . "|" . $_POST["udf2"] . "|" . $_POST["udf1"] . "|" .
        $_POST["email"] . "|" . $_POST["firstname"] . "|" . $_POST["productinfo"] . "|" . $amount . "|" . $_POST["txnid"] . "|" . $_POST["key"] ;
    }
    else{
        $reversehash_string =  $salt . "|" . $_POST["status"]  . "||||||" . $_POST["udf5"] . "|" . $_POST["udf4"] . "|" . $_POST["udf3"] . "|" . $_POST["udf2"] . "|" . $_POST["udf1"] . "|" .
             $_POST["email"] . "|" . $_POST["firstname"] . "|" . $_POST["productinfo"] . "|" . $amount . "|" . $_POST["txnid"] . "|" . $_POST["key"] ;
    }

//  echo($reversehash_string);
    $reverseHash = strtolower(hash("sha512", $reversehash_string));
    return $reverseHash;
}

:How to intrgerate payumoney in angular6/7/8? – Nila Vaani Jan 03 '20 at 17:14 — Nila Vaani, Jan 03 '20 at 17:14

score -1 · Answer 2 · answered Sep 20 '18 at 18:29

-1

your hash is missing try generating hash using sha512 algorithm in php, jquery request is not allowed you have to send all the parameters using form post method

answered Sep 20 '18 at 18:29

Akshay Chandrakar

1

Payumoney Payment Gateway Integration Using REST API

2 Answers2