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No points from donations (paypal)

tompan

Member
Joined
Dec 13, 2008
Messages
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Location
Sweden
Hi, I got a problem here, when I do a paypal payment the account dosen't recive any points.

But in the db @ znote_paypal I can see the transactions.
Only problem is that accid, price, points are always at 0.

This is my ipn file.
PHP:
<?php

    // Require the functions to connect to database and fetch config values
    require 'config.php';
    require 'engine/database/connect.php';
   
    function VerifyPaypalIPN(array $IPN = null){
        if(empty($IPN)){
            $IPN = $_POST;
        }
        if(empty($IPN['verify_sign'])){
            return null;
        }
        $IPN['cmd'] = '_notify-validate';
        $PaypalHost = (empty($IPN['test_ipn']) ? 'www' : 'www.sandbox').'.paypal.com';
        $cURL = curl_init();
        curl_setopt($cURL, CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($cURL, CURLOPT_SSL_VERIFYHOST, false);
        curl_setopt($cURL, CURLOPT_URL, "https://{$PaypalHost}/cgi-bin/webscr");
        curl_setopt($cURL, CURLOPT_ENCODING, 'gzip');
        curl_setopt($cURL, CURLOPT_BINARYTRANSFER, true);
        curl_setopt($cURL, CURLOPT_POST, true); // POST back
        curl_setopt($cURL, CURLOPT_POSTFIELDS, $IPN); // the $IPN
        curl_setopt($cURL, CURLOPT_HEADER, false);
        curl_setopt($cURL, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($cURL, CURLOPT_FORBID_REUSE, true);
        curl_setopt($cURL, CURLOPT_FRESH_CONNECT, true);
        curl_setopt($cURL, CURLOPT_CONNECTTIMEOUT, 30);
        curl_setopt($cURL, CURLOPT_TIMEOUT, 60);
        curl_setopt($cURL, CURLINFO_HEADER_OUT, true);
        curl_setopt($cURL, CURLOPT_HTTPHEADER, array(
            'Connection: close',
            'Expect: ',
        ));
        $Response = curl_exec($cURL);
        $Status = (int)curl_getinfo($cURL, CURLINFO_HTTP_CODE);
        curl_close($cURL);
        if(empty($Response) or !preg_match('~^(VERIFIED|INVALID)$~i', $Response = trim($Response)) or !$Status){
            return null;
        }
        if(intval($Status / 100) != 2){
            return false;
        }
        return !strcasecmp($Response, 'VERIFIED');
    }

    // Fetch paypal configurations
    $paypal = $config['paypal'];
    $prices = $config['paypal_prices'];
   
    // Send an empty HTTP 200 OK response to acknowledge receipt of the notification
    header('HTTP/1.1 200 OK');

    // Build the required acknowledgement message out of the notification just received
    $req = 'cmd=_notify-validate';
    foreach ($_POST as $key => $value) {
        $value = urlencode(stripslashes($value));
        $req  .= "&$key=$value";
    }
    $postdata = $req;
   
    // Assign payment notification values to local variables
    $item_name        = $_POST['item_name'];
    $item_number      = $_POST['item_number'];
    $payment_status  = $_POST['payment_status'];
    $payment_amount  = $_POST['mc_gross'];
    $payment_currency = $_POST['mc_currency'];
    $txn_id          = $_POST['txn_id'];
    $receiver_email  = $_POST['receiver_email'];
    $payer_email      = $_POST['payer_email'];
    $custom          = (int)$_POST['custom'];

    $connectedIp = $_SERVER['REMOTE_ADDR'];
    mysql_insert("INSERT INTO `znote_paypal` VALUES ('', '$txn_id', 'Connection from IP: $connectedIp', '0', '0', '0')");
   
    $status = VerifyPaypalIPN();
    if ($status) {
        // Check that the payment_status is Completed
        if ($payment_status == 'Completed') {

           
            // Check that txn_id has not been previously processed
            $txn_id_check = mysql_select_single("SELECT `txn_id` FROM `znote_paypal` WHERE `txn_id`='$txn_id'");
            if ($txn_id_check !== false) {
                // Check that receiver_email is your Primary PayPal email
                if ($receiver_email == $paypal['email']) {
                   
                    $status = true;
                    $paidMoney = 0;
                    $paidPoints = 0;

                    foreach ($prices as $priceValue => $pointsValue) {
                        if ($priceValue == $payment_amount) {
                            $paidMoney = $priceValue;
                            $paidPoints = $pointsValue;
                        }
                    }

                    if ($paidMoney == 0) $status = false; // Wrong ammount of money
                    if ($payment_currency != $paypal['currency']) $status = false; // Wrong currency
                   
                    // Verify that the user havent messed around with POST data
                    if ($status) {
                        // transaction log
                        mysql_insert("INSERT INTO `znote_paypal` VALUES ('', '$txn_id', '$payer_email', '$custom', '".$paidMoney."', '".$paidPoints."')");
                       
                        // Process payment
                        $data = mysql_select_single("SELECT `points` AS `old_points` FROM `znote_accounts` WHERE `account_id`='$custom';");

                        // Give points to user
                        $new_points = $data['old_points'] + $paidPoints;
                        mysql_update("UPDATE `znote_accounts` SET `points`='$new_points' WHERE `account_id`='$custom'");
                    }
                }  else {
                    $pmail = $paypal['email'];
                    mysql_insert("INSERT INTO `znote_paypal` VALUES ('', '$txn_id', 'ERROR: Wrong mail. Received: $receiver_email, configured: $pmail', '0', '0', '0')");
                }
            }
        }
    } else {
        // Something is wrong
        mysql_insert("INSERT INTO `znote_paypal` VALUES ('', '$txn_id', 'ERROR: Invalid data. $postdata', '0', '0', '0')");
    }
?>

Anyone that can help?
 
I had the same problem, although mine is fixed now, let me help you:
  • Update your folder to the latest release https://github.com/Znote/ZnoteAAC
  • Create an paypal sandbox account
  • Set your shop url and other phps which need paypal url to the sandbox url
  • If you need more help on how to use paypal sandbox check out their documentation
After having all set up, create 2 accounts in paypal sandbox, buyer and seller (its business and something else i dont remember), then you gonna make payments with the buyer (also you need to set your email at config.php to the seller one).
Once a payment is made using the sandbox, you gonna enter you paypal account and check your IPN history, and verify if there are any errors, if there is, you found whats wrong.
Report your results from this back on the post :p
 
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