I was also having the same problem with payumoney module but after many days of efforts, I could set it right a while ago. The correct code is as follows. Please do not forget to use the correct Merchant ID and SALT and make it LIVE from your zen cart control panel.
<?php
/**
* Zencart
* Copyright (c) 2010 PayU
*/
class payu extends base {
var $code, $title, $description, $enabled, $_order_id;
/**
* constructor
*/
function payu() {
$this->code = 'payu';
$this->title = MODULE_PAYMENT_PAYU_TEXT_TITLE;
$this->sort_order = MODULE_PAYMENT_PAYU_SORT_ORDER;
$this->enabled = ((MODULE_PAYMENT_PAYU_STATUS == 'True') ? true : false);
$this->form_action_url = 'https://test.payu.in/_payment.php';
if (MODULE_PAYMENT_PAYU_TESTMODE == 'LIVE') {
$this->form_action_url = 'https://secure.payu.in/_payment.php';
}
}
/**
* update status function.
*
* @global type $order
* @global type $db
*/
function update_status() {
global $order;
if (((int) MODULE_PAYMENT_PAYU_VALID_ZONE > 0)) {
$checkFlag = false;
global $db;
$sql = "select zone_id from " . TABLE_ZONES_TO_GEO_ZONES . " where geo_zone_id = '" . MODULE_PAYMENT_PAYU_VALID_ZONE . "' and zone_country_id = '" . $order->delivery['country']['id'] . "' order by zone_id";
$result = $db->Execute($sql);
if ($result)
while (!$result->EOF) {
if ($result->fields['zone_id'] < 1) {
$checkFlag = true;
break;
} elseif ($result->fields['zone_id'] == $order->delivery['zone_id']) {
$checkFlag = true;
break;
}
}
if ($checkFlag == false) {
$this->enabled = false;
}
}
}
/**
* javascript validation.
*
* @return string
*/
function javascript_validation() {
return '';
}
/**
* selection.
*
* @return type
*/
function selection() {
$selection = array('id' => $this->code,
'module' => $this->title);
return $selection;
}
/**
* pre confirmation check.
*
* @return boolean
*/
function pre_confirmation_check() {
return false;
}
/**
* confirmation.
*
* @return type
*/
function confirmation() {
$confirmation = array('title' => $this->description);
return $confirmation;
}
/**
* process payment to payu.
*
* @global type $insert_id
* @global type $order
* @global type $order_total_modules
* @global type $currencies
* @global type $customer_id
* @global type $od_amount
* @global type $totals
* @return string
*/
function process_button() {
global $insert_id, $order, $order_total_modules, $currencies, $customer_id, $od_amount, $totals;
//@TODO: why do we need this ?
// $temp = mysql_query("select value from currencies where code='INR'") or die(mysql_error());
// $currency_value = mysql_fetch_array($temp);
$products_ordered = '';
for ($i = 0, $n = sizeof($order->products); $i < $n; $i++) {
$products_ordered .= $order->products[$i]['qty'] . ' x ' . $order->products[$i]['name'] . ' (' . $order->products[$i]['model'] . ') = ' . $currencies->display_price($order->products[$i]['final_price'], $order->products[$i]['tax'], $order->products[$i]['qty'], $order->products[$i]['products_discount_type_from']) . $products_ordered_attributes . "\n";
}
$products_ordered .= "\n";
$order_totals = $order_total_modules->process();
for ($i = 0, $n = sizeof($order_totals); $i < $n; $i++) {
$products_ordered .= strip_tags($order_totals[$i]['title']) . ' ' . strip_tags($order_totals[$i]['text']) . "\n";
}
$hashSequence = "key|txnid|amount|productinfo|firstname|email|udf1|udf2|udf3|udf4|udf5|udf6|udf7|udf8|udf9|udf10";
$posted = array();
$posted['txnid'] = substr(hash('sha256', mt_rand() . microtime()), 0, 20);
if ($order_totals[5]['title'] == 'Total:') {
$amt = $order_totals[5]['value'];
} else {
$amt = $order_totals[6]['value'];
}
$amt = (int) $amt;
$posted['amount'] = $amt;
$posted['firstname'] = $order->customer['firstname'];
$posted['phone'] = $order->customer['telephone'];
$posted['key'] = MODULE_PAYMENT_PAYU_MERCHANTID;
$udf2 = $posted['txnid'];
$posted['udf2'] = $udf2;
$posted['service_provider'] = 'payu_paisa';
$posted['productinfo'] = 'Order ID' . $order->info['orders_id'];
$posted['email'] = $order->customer['email_address'];
$hashVarsSeq = explode('|', $hashSequence);
$hash_string = '';
foreach ($hashVarsSeq as $hash_var) {
$hash_string .= isset($posted[$hash_var]) ? $posted[$hash_var] : '';
$hash_string .= '|';
}
$hash_string .= MODULE_PAYMENT_PAYU_SALT;
$hash = strtolower(hash('sha512', $hash_string));
$posted['hash'] = $hash;
$process_button_string = zen_draw_hidden_field('key', $posted['key']) .
zen_draw_hidden_field('amount', $posted['amount']) .
zen_draw_hidden_field('productinfo', $posted['productinfo']) .
zen_draw_hidden_field('firstname', $posted['firstname']) .
zen_draw_hidden_field('email', $posted['email']) .
zen_draw_hidden_field('phone', $posted['phone']) .
zen_draw_hidden_field('service_provider', $posted['service_provider']) .
zen_draw_hidden_field('furl', zen_href_link(FILENAME_CHECKOUT_PROCESS, '', 'SSL')) .
zen_draw_hidden_field('surl', zen_href_link(FILENAME_CHECKOUT_PROCESS, '', 'SSL')) .
zen_draw_hidden_field('lastname', $order->customer['lastname']) .
zen_draw_hidden_field('address1', $order->customer['street_address']) .
zen_draw_hidden_field('address2', $order->delivery['street_address']) .
zen_draw_hidden_field('city', $order->customer['city']) .
zen_draw_hidden_field('state', $order->customer['state']) .
zen_draw_hidden_field('postal_code', $order->customer['postcode']) .
zen_draw_hidden_field('country', $order->customer['country']['iso_code_3']) .
zen_draw_hidden_field('udf1', $udf1) . zen_draw_hidden_field('udf2', $udf2) . zen_draw_hidden_field('udf3', $udf3) .
zen_draw_hidden_field('udf4', $udf4) . zen_draw_hidden_field('udf5', $udf5) .
zen_draw_hidden_field('txnid', $posted['txnid']) .
zen_draw_hidden_field('hash', $posted['hash']) .
zen_draw_hidden_field('curl', zen_href_link(FILENAME_CHECKOUT_PROCESS, '', 'SSL'));
return $process_button_string;
}
/**
* before process.
*/
function before_process() {
$txnRs = array();
if (!empty($_POST)) {
foreach ($_POST as $key => $value) {
$txnRs[$key] = htmlentities($value, ENT_QUOTES);
}
}
$txnRs['txnid1'] = $txnRs['txnid'];
$txnRs['txnid'] = htmlentities($_POST['udf2'], ENT_QUOTES);
if ($txnRs['status'] == 'success') {
$merc_hash_vars_seq = array_reverse(explode('|', "key|txnid1|amount|productinfo|firstname|email|udf1|udf2|udf3|udf4|udf5|udf6|udf7|udf8|udf9|udf10"));
// //generation of hash after transaction is = salt + status + reverse order of variables
// $merc_hash_vars_seq = array_reverse($merc_hash_vars_seq);
$merc_hash_string = MODULE_PAYMENT_PAYU_SALT . '|' . $txnRs['status'];
foreach ($merc_hash_vars_seq as $merc_hash_var) {
$merc_hash_string .= '|';
$merc_hash_string .= isset($txnRs[$merc_hash_var]) ? $txnRs[$merc_hash_var] : '';
}
$merc_hash = strtolower(hash('sha512', $merc_hash_string));
if ($merc_hash != $txnRs['hash']) {
zen_redirect(zen_href_link(FILENAME_CHECKOUT_PAYMENT, '', 'SSL'));
}
} else {
zen_redirect(zen_href_link(FILENAME_CHECKOUT_PAYMENT, '', 'SSL'));
}
}
/**
* after process
*
* @return boolean
*/
function after_process() {
return false;
}
/**
* get error
*
* @return type
*/
function get_error() {
$error = array('title' => MODULE_PAYMENT_PAYU_TEXT_ERROR,
'error' => stripslashes(urldecode($_GET['error'])));
return $error;
}
/**
* check function
*
* @global type $db
* @return type
*/
function check() {
global $db;
if (!isset($this->_check)) {
$check_query = $db->Execute("select configuration_value from " . TABLE_CONFIGURATION . " where configuration_key = 'MODULE_PAYMENT_PAYU_STATUS'");
$this->_check = $check_query->RecordCount();
}
return $this->_check;
}
/**
* install payu payment model
*
* @global type $db
*/
function install() {
global $db;
$db->Execute("insert into " . TABLE_CONFIGURATION . " (configuration_title, configuration_key, configuration_value, configuration_description, configuration_group_id, sort_order, set_function, date_added) values ('Enable PayUMoney Payment Module', 'MODULE_PAYMENT_PAYU_STATUS', 'True', 'Do you want to accept PayUMoney payments?', '6', '0', 'zen_cfg_select_option(array(\'True\', \'False\'), ', now())");
$db->Execute("insert into " . TABLE_CONFIGURATION . " (configuration_title, configuration_key, configuration_value, configuration_description, configuration_group_id, sort_order, date_added) values ('Merchant Key', 'MODULE_PAYMENT_PAYU_MERCHANTID', 'C0Dr8m', 'Your Merchant Key from PayUMoney', '5', '0', now())");
$db->Execute("insert into " . TABLE_CONFIGURATION . " (configuration_title, configuration_key, configuration_value, configuration_description, configuration_group_id, sort_order, date_added) values ('SALT', 'MODULE_PAYMENT_PAYU_SALT', '3sf0jURk', 'Your SALT from PayUMoney', '6', '0', now())");
$db->Execute("insert into " . TABLE_CONFIGURATION . " (configuration_title, configuration_key, configuration_value, configuration_description, configuration_group_id, sort_order, set_function, date_added) values ('Test Mode', 'MODULE_PAYMENT_PAYU_TESTMODE', 'TEST', 'Test mode used for the PayUMoney', '6', '0', 'zen_cfg_select_option(array(\'TEST\', \'LIVE\'), ', now())");
$db->Execute("insert into " . TABLE_CONFIGURATION . " (configuration_title, configuration_key, configuration_value, configuration_description, configuration_group_id, sort_order, date_added) values ('Sort order of display', 'MODULE_PAYMENT_PAYU_SORT_ORDER', '0', 'Sort order of display. Lowest is displayed first.', '6', '2', now())");
}
/**
* remove module
*
* @global type $db
*/
function remove() {
global $db;
$db->Execute("delete from " . TABLE_CONFIGURATION . " where configuration_key in ('" . implode("', '", $this->keys()) . "')");
}
/**
* keys
*
* @return type
*/
function keys() {
return array('MODULE_PAYMENT_PAYU_STATUS', 'MODULE_PAYMENT_PAYU_MERCHANTID', 'MODULE_PAYMENT_PAYU_SALT', 'MODULE_PAYMENT_PAYU_SORT_ORDER', 'MODULE_PAYMENT_PAYU_TESTMODE');
}
}
------------------------------
> **gnehete:**
>
> Hi,
> i have been facing this problem after enabling payment gateway (Payu.in) to my zencart. while the payments are all succeeding, on confirmation from the gateway, the order id is null and "my account" does not show any order nor does it show in the admin.
> the module php code as given by the payment gateway guys is follows. any clue if there is any bug there? i am really lost. not much help from the payment gateway guys as they believe all is fine from their side.
> <?php
>
> /*
>
> Zencart
>
> Copyright (c) 2003 Zencart
>
>
>
> Released under the GNU General Public License*/
>
>
>
> // Please make sure you insert your merchant id in the OSC admin area
>
> class payu extends base{
>
> var $code, $title, $description, $enabled,$_order_id;
>
>
>
> // class constructor
>
> function payu() {
>
> global $order;
>
> $this->code = 'payu';
>
> $this->title = MODULE_PAYMENT_PAYU_TEXT_TITLE;
>
>
> $this->sort_order = MODULE_PAYMENT_PAYU_SORT_ORDER;
>
> $this->enabled = ((MODULE_PAYMENT_PAYU_STATUS == 'True') ? true : false);
>
> $this->form_action_url = 'https://test.payu.in/_payment.php';
>
> }
>
>
>
> function update_status() {
> /* Check whether the zones/geo_zones is valid */
> global $order;
> if (((int) MODULE_PAYMENT_EBS_VALID_ZONE > 0)) {
> $checkFlag = false;
> global $db;
> $sql = "select zone_id from " . TABLE_ZONES_TO_GEO_ZONES . " where geo_zone_id = '" . MODULE_PAYMENT_PAYU_VALID_ZONE . "' and zone_country_id = '".$order->delivery['country']['id']."' order by zone_id";
> $result = $db->Execute($sql);
> if($result) while(!$result->EOF) {
> if ($result->fields['zone_id'] < 1) {
> $checkFlag = true;
> break;
> }
> elseif ($result->fields['zone_id'] == $order->delivery['zone_id']) {
> $checkFlag = true;
> break;
> }
> // Move Next
> }
>
> /* Set whether this should be valid or not */
> if ($checkFlag == false) {
> $this->enabled = false;
> }
> }
> }
>
>
>
>
> // class methods
>
>
> function javascript_validation() {
>
> return '';
> }
>
>
>
> function selection() {
>
> $selection = array('id' => $this->code,
>
> 'module' => $this->title);
> return $selection;
>
> }
>
>
>
> function pre_confirmation_check() {
>
> return false;
> }
>
>
>
> function confirmation() {
> //$this->_order_id = zen_Order::create();
> $confirmation = array ('title' => $this->description);
> return $confirmation;
>
> }
>
>
>
> function process_button() {
>
> global $insert_id,$order,$order_total_modules,$currencies,$customer_id;
>
>
> $temp=mysql_query("select value from zen_currencies where code='INR'")or die(mysql_error());
>
> $currency_value=mysql_fetch_array($temp);
> $products_ordered = '';
> for ($i=0, $n=sizeof($order->products); $i<$n; $i++) {
> $products_ordered .= $order->products[$i]['qty'] . ' x ' . $order->products[$i]['name'] . ' (' . $order->products[$i]['model'] . ') = ' . $currencies->display_price($order->products[$i]['final_price'], $order->products[$i]['tax'], $order->products[$i]['qty']) . $products_ordered_attributes . "\n";
> }
> $products_ordered .= "\n";
> $order_totals = $order_total_modules->process();
> for ($i=0, $n=sizeof($order_totals); $i<$n; $i++) {
> $products_ordered .= strip_tags($order_totals[$i]['title']) . ' ' . strip_tags($order_totals[$i]['text']) . "\n";
> }
> $hashSequence = "key|txnid|amount|productinfo|firstname|email|udf1|udf2|udf3|udf4|udf5|udf6|udf7|udf8|udf9|udf10";
> $posted = array();
>
> $posted['txnid']=substr(hash('sha256', mt_rand() . microtime()), 0, 20);;
>
> $amt=$order->info['total'];
> $amt=(float)$amt;
> $posted['amount']=$amt;
> $posted['firstname'] = $order->customer['firstname'];
> $posted['phone']=$order->customer['telephone'];
> $posted['key']= MODULE_PAYMENT_PAYU_MERCHANTID;
>
> $posted['productinfo']='Order ID'. $order->info['orders_id'];
>
> $posted['email']=$order->customer['email_address'];
>
> $hashVarsSeq = explode('|', $hashSequence);
> $hash_string = '';
> foreach($hashVarsSeq as $hash_var) {
> $hash_string .= isset($posted[$hash_var]) ? $posted[$hash_var] : '';
> $hash_string .= '|';
> }
> $hash_string .= MODULE_PAYMENT_PAYU_SALT;
> $hash = strtolower(hash('sha512', $hash_string));
> $posted['hash']=$hash;
>
> $process_button_string = zen_draw_hidden_field('key', $posted['key']) .
>
> zen_draw_hidden_field('amount',$posted['amount']).
>
> zen_draw_hidden_field('productinfo',$posted['productinfo']).
>
> zen_draw_hidden_field('firstname', $posted['firstname']) .
>
> zen_draw_hidden_field('email',$posted['email']) .
>
> zen_draw_hidden_field('phone', $posted['phone']) .
>
> zen_draw_hidden_field('furl', zen_href_link(FILENAME_CHECKOUT_PROCESS, '', 'SSL')) .
>
> zen_draw_hidden_field('surl', zen_href_link(FILENAME_CHECKOUT_PROCESS, '', 'SSL')).
>
> zen_draw_hidden_field('lastname',$order->customer['lastname']) .
>
> zen_draw_hidden_field('address1',$order->customer['street_address'].",".$order->customer['city'].",".$order->customer['state']) .
>
> zen_draw_hidden_field('address2',$order->delivery['street_address']) .
>
> zen_draw_hidden_field('city', $order->customer['city']) .
>
> zen_draw_hidden_field('state', $order->customer['state']) .
>
> zen_draw_hidden_field('postal_code', $order->customer['postcode']) .
>
> zen_draw_hidden_field('country', $order->customer['country']['iso_code_3']) .
>
> zen_draw_hidden_field('udf1', $udf1) .zen_draw_hidden_field('udf2', $udf2).zen_draw_hidden_field('udf3', $udf3).
>
> zen_draw_hidden_field('udf4', $udf4).zen_draw_hidden_field('udf5', $udf5).
>
> zen_draw_hidden_field('txnid',$posted['txnid']).
>
> zen_draw_hidden_field('hash',$posted['hash']).
>
> zen_draw_hidden_field('curl', zen_href_link(FILENAME_CHECKOUT_PROCESS, '', 'SSL'));
>
> return $process_button_string;
>
> }
>
> function before_process(){
>
>
>
>
>
> if(!empty($_POST)) {
>
> foreach($_POST as $key => $value) {
>
> $txnRs[$key] = htmlentities($value, ENT_QUOTES);
> }
> }
> if($txnRs['status']=='success'){
>
>
> $merc_hash_vars_seq = explode('|', "key|txnid|amount|productinfo|firstname|email|udf1|udf2|udf3|udf4|udf5|udf6|udf7|udf8|udf9|udf10");
> //generation of hash after transaction is = salt + status + reverse order of variables
> $merc_hash_vars_seq = array_reverse($merc_hash_vars_seq);
>
> $merc_hash_string = MODULE_PAYMENT_PAYU_SALT . '|' . $txnRs['status'];
>
> foreach ($merc_hash_vars_seq as $merc_hash_var) {
> $merc_hash_string .= '|';
> $merc_hash_string .= isset($txnRs[$merc_hash_var]) ? $txnRs[$merc_hash_var] : '';
>
> }
>
> $merc_hash =strtolower(hash('sha512', $merc_hash_string));
> if($merc_hash!=$txnRs['hash']) {
>
>
> zen_redirect(zen_href_link(FILENAME_CHECKOUT_PAYMENT, '', 'SSL'));
>
> }
>
> else
> {
>
> $order_id=$txnRs['txnid'];
>
>
> zen_redirect(zen_href_link(FILENAME_CHECKOUT_SUCCESS, '', 'SSL'));
>
> }
>
>
> }
> else{
> zen_redirect(zen_href_link(FILENAME_CHECKOUT_PAYMENT, '', 'SSL'));
> }
> }
>
>
>
>
>
> function after_process() {
>
> return false;
>
> }
>
>
>
> function get_error() {
>
>
>
> $error = array('title' => MODULE_PAYMENT_EBS_TEXT_ERROR,
>
> 'error' => stripslashes(urldecode($_GET['error'])));
>
> return $error;
>
> }
>
>
>
> function check() {
>
> global $db;
>
> if (!isset($this->_check)) {
>
> $check_query = $db->Execute("select configuration_value from " . TABLE_CONFIGURATION . " where configuration_key = 'MODULE_PAYMENT_PAYU_STATUS'");
>
> $this->_check = $check_query->RecordCount();
>
> }
>
> return $this->_check;
>
> }
>
>
>
> function install() {
>
> global $db;
>
> $db->Execute("insert into " . TABLE_CONFIGURATION . " (configuration_title, configuration_key, configuration_value, configuration_description, configuration_group_id, sort_order, set_function, date_added) values ('Enable PayU Payment Module', 'MODULE_PAYMENT_PAYU_STATUS', 'True', 'Do you want to accept PAYU payments?', '6', '0', 'zen_cfg_select_option(array(\'True\', \'False\'), ', now())");
>
> $db->Execute("insert into " . TABLE_CONFIGURATION . " (configuration_title, configuration_key, configuration_value, configuration_description, configuration_group_id, sort_order, date_added) values ('Merchant ID', 'MODULE_PAYMENT_PAYU_MERCHANTID', 'C0Dr8m', 'Your Merchant ID of PayU', '6', '0', now())");
>
> $db->Execute("insert into " . TABLE_CONFIGURATION . " (configuration_title, configuration_key, configuration_value, configuration_description, configuration_group_id, sort_order, date_added) values ('SALT', 'MODULE_PAYMENT_PAYU_SALT', '3sf0jURk', 'Your SALT of PayU', '6', '0', now())");
>
> $db->Execute("insert into " . TABLE_CONFIGURATION . " (configuration_title, configuration_key, configuration_value, configuration_description, configuration_group_id, sort_order, set_function, date_added) values ('Test Mode', 'MODULE_PAYMENT_PAYU_TESTMODE', 'TEST', 'Test mode used for the PAYU', '6', '0', 'zen_cfg_select_option(array(\'TEST\', \'LIVE\'), ', now())");
>
> $db->Execute("insert into " . TABLE_CONFIGURATION . " (configuration_title, configuration_key, configuration_value, configuration_description, configuration_group_id, sort_order, date_added) values ('Sort order of display', 'MODULE_PAYMENT_PAYU_SORT_ORDER', '0', 'Sort order of display. Lowest is displayed first.', '6', '0', now())");
>
> }
>
>
>
> function remove() {
>
> global $db;
>
> $db->Execute("delete from " . TABLE_CONFIGURATION . " where configuration_key in ('" . implode("', '", $this->keys()) . "')");
>
> }
>
>
>
> function keys() {
>
> return array('MODULE_PAYMENT_PAYU_STATUS', 'MODULE_PAYMENT_PAYU_MERCHANTID', 'MODULE_PAYMENT_PAYU_SALT', 'MODULE_PAYMENT_PAYU_TESTMODE');
>
> }
>
> }
>
> ?>
