ipn_donator help

adivirus · August 7, 2013

Hi, i got an email from paypal saying :

Merchants need to update their IPN and/or PDT scripts to use HTTP 1.1, and include the “Host” and “Connection: close” HTTP header in the IPN postback script.

PHP

// post back to PayPal system to validate
$header="POST /cgi-bin/webscr HTTP/1.1\r\n";
$header .="Content-Type: application/x-www-form-urlencoded\r\n";
$header .="Host: www.paypal.com\r\n"; 
$header .="Connection: close\r\n\r\n";

so i have modified the ipn_donator.php script with these lines.. so now i have something like

// post back to PayPal system to validate
$header .= "POST /cgi-bin/webscr HTTP/1.1\r\n";
$header .="Content-Type: application/x-www-form-urlencoded\r\n";
$header .="Host: www.paypal.com\r\n"; 
$header .="Connection: close\r\n\r\n";
$fp = fsockopen ('www.paypal.com', 80, $errno, $errstr, 30);

but the players are not credited automatically with the packs as they used to be before with HTTP 1.0, what do i have to change to work ?

i have tried to modifiy the $fp variable to $fp = fsockopen ('ssl://www.paypal.com', 443, $errno, $errstr, 30); .. but doesnt works.

anyone knows? thanks.

sniko · August 7, 2013

I had a few problems setting up a listener a few days ago.

Run the process through sandbox, and dump the return headers somewhere (in a database table, or .txt file) for you to evaluate them. This helped me, as I was running into "302" and "400" errors, which stopped the crediting process.

adivirus · August 7, 2013

can you elaborate and tell me how to do that ? i know this is sandbox: http://www.sandobx.paypal.com .. right ? but how can i dump the result into a file? thanks

sniko · August 7, 2013

I used Developer PayPal.

/*
* Put this in the white loop
* I think, from memory, the variable is $fp;
*/

$contents = $fp;
$file = 'paypal_headers.txt';
$current = file_get_contents($file);
$current .= $contents ."\n";
file_put_contents($file, $current);

adivirus · August 8, 2013

thanks, tested with a payment and got this inside the file: 'Resource id #6' :| any idea.. ?

HauntedDawg · August 8, 2013

That would mean usually a resource either from MySQL or fsockopen ready to be used.

Make sure you use var_dump around what ever you are entering into the file.

That will help you a little more with what the error is?

adivirus · August 8, 2013

i don't know where should i put var_dump ( file_put_contents($file, $current); <-- HERE ? ), do you have a working ipn with HTTP 1.1 ? :| if i switch back to HTTP 1.0 everything works..

adivirus · August 8, 2013

i have also tried with this line, as i heard it's important.. but still not working:

while (!feof($fp)) {

$res = fgets ($fp, 1024);

$res = trim($res); //NEW & IMPORTANT

HauntedDawg · August 8, 2013

file_put_contents($file, print_r($current));

adivirus · August 8, 2013

well, now i get only "1" in that file .. do you use HTTP 1.1 with your ipn donator ? if yes how did u make it work ?

HauntedDawg · August 8, 2013

Post your hole ipn_donator.php here.

Seems like your issue is not just with you:

http://stackoverflow.com/questions/11810344/paypal-ipn-bad-request-400-error/12682872#12682872

adivirus · August 9, 2013

is there anyone using the new HTTP 1.1 ? :) anyway.. we will all be forced to use it from october as paypal says..

adivirus · August 21, 2013

common, nobody uses the new HTTP. 1.1 required by paypal starting october? ipn_donator will not work anymore with HTTP 1.0 as it's now, so the system will not credit users after they buy a pack unless the ipn_donator is modified to use HTTP 1.1

// post back to PayPal system to validate

$header="POST /cgi-bin/webscr HTTP/1.1\r\n";

$header .="Content-Type: application/x-www-form-urlencoded\r\n";

$header .="Host: www.paypal.com\r\n";

$header .="Connection: close\r\n\r\n";

as i said before, this is the only change i made in the original ipn_donator so it's not working .. anyone has a working one? thanks..

rockwood · August 22, 2013

it is very weird problem

Edited August 22, 2013 by rockwood

sniko · August 22, 2013

Try this.

I've run it through sandbox and live, and it worked.

<?php
defined('paypal_sandbox', TRUE); //It's set to sandbox.paypal.com
$link = 'www.paypal.com';
if (paypal_sandbox) {
   $link = "www.sandbox.paypal.com";
}

// read the post from PayPal system and add 'cmd'
$req = 'cmd=_notify-validate';

$req .= '&' . http_build_query($_POST);

// post back to PayPal system to validate
$header .= "POST /cgi-bin/webscr HTTP/1.0\r\n";
$header .= "Content-Type: application/x-www-form-urlencoded\r\n";
$header .= "Content-Length: " . strlen($req) . "\r\n";
$header .= "Host: " . $link . "\r\n\r\n";

$fp = fsockopen('ssl://' . $link, 443, $errno, $errstr, 30);

// assign posted variables 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'];
$site_id = $_POST['custom'];
$custom = $_POST['custom'];

if (!$fp) {
   // HTTP ERROR
} else {
   fputs($fp, $header . $req);
   while (!feof($fp)) {
       $res = fgets($fp, 1024);
       if (strcmp($res, "VERIFIED") == 0) {
                //Paypal returned VERIFIED
           }
       } else if (strcmp($res, "INVALID") == 0) {
           //Paypal returned INVALID
       }
   }
   fclose($fp);
}
?>

adivirus · August 23, 2013

Hello, well, it has $header .= "POST /cgi-bin/webscr HTTP/1.0\r\n"; my ipn_donator works too with HTTP 1.0 but it's not working with HTTP 1.1 as paypal forces use to use from october. Have u tried with HTTP 1.1 too ?

thanks.

this is what they say:

Action Required before the 7th of October, 2013

Merchants need to update their IPN and/or PDT scripts to use HTTP 1.1, and include the “Host” and “Connection: close” HTTP header in the IPN postback script.

PHP

// post back to PayPal system to validate

$header="POST /cgi-bin/webscr HTTP/1.1\r\n";

$header .="Content-Type: application/x-www-form-urlencoded\r\n";

$header .="Host: www.paypal.com\r\n";

$header .="Connection: close\r\n\r\n";

jedigunz · August 23, 2013

so what do i do do i add that in place off my ipn_donator.php

i really need some help with this,.

im using cronus's donator mod,.. could somebody recode this for me please

<?

//------------------------------------------------
//Mod created by Cronus.
//You can find more of his mods for sale
//and join his MCCode developers community here:
//http://www.cronwerks.com/forum
//------------------------------------------------

$primarypaypal="[email protected]";
$currency="GBP";
include "config.php";
global $_CONFIG;
define("MONO_ON", 1);
require "class/class_db_{$_CONFIG['driver']}.php";
$db=new database;
$db->configure($_CONFIG['hostname'],
$_CONFIG['username'],
$_CONFIG['password'],
$_CONFIG['database'],
$_CONFIG['persistent']);
$db->connect();
$c=$db->connection_id;
require 'global_func.php';
$set=array();
$settq=$db->query("SELECT * FROM settings");
while($r=$db->fetch_row($settq))
{
$set[$r['conf_name']]=$r['conf_value'];
}

// read the post from PayPal system and add 'cmd'
$req = 'cmd=_notify-validate';

foreach ($_POST as $key => $value) {
$value = urlencode(stripslashes($value));
$req .= "&$key=$value";
}

// post back to PayPal system to validate
$header .= "POST /cgi-bin/webscr HTTP/1.0\r\n";
$header .= "Content-Type: application/x-www-form-urlencoded\r\n";
$header .= "Content-Length: " . strlen($req) . "\r\n\r\n";
$fp = fsockopen ('www.paypal.com', 80, $errno, $errstr, 30);

// assign posted variables 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'];


if (!$fp) {
// HTTP ERROR
} else {
fputs ($fp, $header . $req);
while (!feof($fp)) {
$res = fgets ($fp, 1024);
if (strcmp ($res, "VERIFIED") == 0) {
// check the payment_status is Completed
if($payment_status != "Completed") { fclose ($fp);die(""); }
// check that txn_id has not been previously processed
// check that receiver_email is your Primary PayPal email
if($receiver_email != $primarypaypal) { fclose ($fp);die(""); }
// check that payment_amount/payment_currency are correct
if($payment_currency != "GBP") { fclose ($fp);die(""); }
// parse for pack
$packr=explode('|',$item_name);
if(str_replace("www.","",$packr[0]) != str_replace("www.","",$_SERVER['HTTP_HOST'])) { fclose($fp); die(""); }

$meki=$db->query("SELECT * FROM dpacks WHERE id={$packr[1]} AND active=1");
if($db->num_rows($meki) == 0)
{
fclose($fp);
die("");
}
else
{
$r=$db->fetch_row($meki);
}

$total=$r['price']*$packr[2];
if($total != $payment_amount)
{
fclose($fp);
die("");
}
// grab IDs
$buyer=$packr[3];
$number=$packr[2];
// all seems to be in order, credit it.
$time=time();
$db->query("INSERT INTO dplogs VALUES('','$buyer',{$r['id']},'$number','$time', '$payment_amount')") or die(mysql_error());
$db->query("UPDATE users SET donated=donated+$payment_amount WHERE userid={$r['id']}");
$db->query("UPDATE users SET donated=donated+$payment_amount WHERE userid=1");
if($r['bogo'] > 0)
{
$add=floor($number/$r['bogo']);
$number=$number+$add;
}

$db->query("INSERT INTO inventory VALUES('',{$r['id']},'$buyer','$number')",$c) or die(mysql_error());

// process payment
event_add($buyer, "Your donation has been successfully credited to you. Thank you for your support.", $c);
event_add(1, "ID $buyer has purchased $number {$r['name']}(s) for $$payment_amount.", $c);

}
else if (strcmp ($res, "INVALID") == 0) {
}
}

fclose ($fp);
}
?>

jedigunz · August 23, 2013

so do i replace this

$header .= "POST /cgi-bin/webscr HTTP/1.0\r\n";
$header .= "Content-Type: application/x-www-form-urlencoded\r\n";
$header .= "Content-Length: " . strlen($req) . "\r\n\r\n";
$fp = fsockopen ('www.paypal.com', 80, $errno, $errstr, 30);

With This

$header .= "POST /cgi-bin/webscr HTTP/1.1\r\n";
$header .= "Content-Type: application/x-www-form-urlencoded\r\n";
$header .= "Host: www.paypal.com\r\n";
$header .= "Content-Length: " . strlen($req) . "\r\n";
$header .= "Connection: close\r\n\r\n";
$fp = fsockopen ('ssl://www.paypal.com', 443, $errno, $errstr, 30);

and replace this

if (strcmp ($res, "VERIFIED") == 0) {

with this

if (strcmp (trim($res), 'VERIFIED') == 0) {

??

what are these for

$site_id = $_POST['custom'];
$custom = $_POST['custom'];

Edited August 23, 2013 by jedigunz

adivirus · August 23, 2013

is this working? as i said before i did that replacement since start.. but no result. the packs were not auto-credited to the buyers.

sniko · August 23, 2013

is this working? as i said before i did that replacement since start.. but no result. the packs were not auto-credited to the buyers.

Have you setup the API in PayPal?

The script I posted above works, as I had to adjust it to their upgraded systems.

rockwood · August 23, 2013

so what do i do do i add that in place off my ipn_donator.php

i really need some help with this,.

im using cronus's donator mod,.. could somebody recode this for me please

<?

//------------------------------------------------
//Mod created by Cronus.
//You can find more of his mods for sale
//and join his MCCode developers community here:
//http://www.cronwerks.com/forum
//------------------------------------------------

$primarypaypal="[email protected]";
$currency="GBP";
include "config.php";
global $_CONFIG;
define("MONO_ON", 1);
require "class/class_db_{$_CONFIG['driver']}.php";
$db=new database;
$db->configure($_CONFIG['hostname'],
$_CONFIG['username'],
$_CONFIG['password'],
$_CONFIG['database'],
$_CONFIG['persistent']);
$db->connect();
$c=$db->connection_id;
require 'global_func.php';
$set=array();
$settq=$db->query("SELECT * FROM settings");
while($r=$db->fetch_row($settq))
{
$set[$r['conf_name']]=$r['conf_value'];
}

// read the post from PayPal system and add 'cmd'
$req = 'cmd=_notify-validate';

foreach ($_POST as $key => $value) {
$value = urlencode(stripslashes($value));
$req .= "&$key=$value";
}

// post back to PayPal system to validate
$header .= "POST /cgi-bin/webscr HTTP/1.0\r\n";
$header .= "Content-Type: application/x-www-form-urlencoded\r\n";
$header .= "Content-Length: " . strlen($req) . "\r\n\r\n";
$fp = fsockopen ('www.paypal.com', 80, $errno, $errstr, 30);

// assign posted variables 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'];


if (!$fp) {
// HTTP ERROR
} else {
fputs ($fp, $header . $req);
while (!feof($fp)) {
$res = fgets ($fp, 1024);
if (strcmp ($res, "VERIFIED") == 0) {
// check the payment_status is Completed
if($payment_status != "Completed") { fclose ($fp);die(""); }
// check that txn_id has not been previously processed
// check that receiver_email is your Primary PayPal email
if($receiver_email != $primarypaypal) { fclose ($fp);die(""); }
// check that payment_amount/payment_currency are correct
if($payment_currency != "GBP") { fclose ($fp);die(""); }
// parse for pack
$packr=explode('|',$item_name);
if(str_replace("www.","",$packr[0]) != str_replace("www.","",$_SERVER['HTTP_HOST'])) { fclose($fp); die(""); }

$meki=$db->query("SELECT * FROM dpacks WHERE id={$packr[1]} AND active=1");
if($db->num_rows($meki) == 0)
{
fclose($fp);
die("");
}
else
{
$r=$db->fetch_row($meki);
}

$total=$r['price']*$packr[2];
if($total != $payment_amount)
{
fclose($fp);
die("");
}
// grab IDs
$buyer=$packr[3];
$number=$packr[2];
// all seems to be in order, credit it.
$time=time();
$db->query("INSERT INTO dplogs VALUES('','$buyer',{$r['id']},'$number','$time', '$payment_amount')") or die(mysql_error());
$db->query("UPDATE users SET donated=donated+$payment_amount WHERE userid={$r['id']}");
$db->query("UPDATE users SET donated=donated+$payment_amount WHERE userid=1");
if($r['bogo'] > 0)
{
$add=floor($number/$r['bogo']);
$number=$number+$add;
}

$db->query("INSERT INTO inventory VALUES('',{$r['id']},'$buyer','$number')",$c) or die(mysql_error());

// process payment
event_add($buyer, "Your donation has been successfully credited to you. Thank you for your support.", $c);
event_add(1, "ID $buyer has purchased $number {$r['name']}(s) for $$payment_amount.", $c);

}
else if (strcmp ($res, "INVALID") == 0) {
}
}

fclose ($fp);
}
?>

you should escape values

adivirus · August 23, 2013

Have you setup the API in PayPal?
The script I posted above works, as I had to adjust it to their upgraded systems.

i haven't setup the API in PayPal as HTTP 1.0 worked without API setup...

jedigunz · August 29, 2013

you should escape values

Im not sure what you mean rockwood ,. can you give me an example,. ??,.

and my post after this would this be a working script ??

i havnt got a second paypal to test this out with

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