i have follow Problem:
i did created a cash u U integration to woo-commerce, work wonderful. but now the call back notification from cash u doesn’t work.
after payment i want the thank you message to be appeared and the product as complete.
i did make the follow code but dont know whats next. i am stuck. please help 🙁
<?php
add_action('plugins_loaded', 'woocommerce_promex_cashu_init', 0);
function woocommerce_promex_cashu_init(){
if(!class_exists('WC_Payment_Gateway')) return;
class WC_Promex_Cashu extends WC_Payment_Gateway{
public function __construct(){
$this -> id = 'cashu';
$this -> medthod_title = 'Cash U Payment';
$this -> has_fields = false;
$this -> init_form_fields();
$this -> init_settings();
$this -> title = $this -> settings['title'];
$this -> description = $this -> settings['description'];
$this -> merchant_id = $this -> settings['merchant_id'];
$this -> service_name = $this -> settings['service_name'];
$this -> display_text = $this -> settings['display_text'];
$this -> test_mode = $this -> settings['test_mode'];
$this -> security_code = $this -> settings['security_code'];
$this -> redirect_page_id = $this -> settings['redirect_page_id'];
$this -> msg['message'] = "";
$this -> msg['class'] = "";
add_action('init', array(&$this, 'check_cashu_response'));
if ( version_compare( WOOCOMMERCE_VERSION, '2.0.0', '>=' ) ) {
add_action( 'woocommerce_update_options_payment_gateways_' .$this->id, array( &$this, 'process_admin_options' ) );
} else {
add_action( 'woocommerce_update_options_payment_gateways', array( &$this, 'process_admin_options' ) );
}
add_action('woocommerce_receipt_cashu', array(&$this, 'receipt_page'));
}
function init_form_fields(){
$this->form_fields = array(
'enabled' => array(
'title' => __( 'Enable/Disable', 'promex' ),
'type' => 'checkbox',
'label' => __( 'Enable CashU payment Gateways', 'promex' ),
'default' => 'no'
),
'title' => array(
'title' => __( 'Title', 'promex' ),
'type' => 'text',
'description' => __( 'This controls the title which the user sees during checkout.', 'promex' ),
'desc_tip' => true,
'default' => __( 'CashU payment Gateways', 'promex' )
),
'description' => array(
'title' => __( 'Description', 'promex' ),
'type' => 'textarea',
'description' => __( 'This controls the description which the user sees during checkout.', 'promex' ),
'default' => __( 'Desctiptions for CashU payment Gateways.', 'promex' )
),
'merchant_id' => array(
'title' => __( 'Merchant ID', 'promex' ),
'type' => 'text',
'description' => __( 'The Merchant ID as entered during registration on CashU .', 'promex' ),
'default' => __( 'The Merchant ID for CashU payment Gateways.', 'promex' )
),
'service_name' => array(
'title' => __( 'Service Name', 'promex' ),
'type' => 'text',
'description' => __( 'Name of the service or domain entered by the Merchant that has multiple checkout pages.', 'promex' ),
'default' => __( 'Service Name for CashU payment Gateways.', 'promex' )
),
'test_mode' => array(
'title' => __( 'Test Mode', 'promex' ),
'type' => 'text',
'description' => __( 'Encription Key from Cash U', 'promex' ),
'default' => __( 'Instructions for CashU payment Gateways.', 'promex' )
),
'security_code' => array(
'title' => __( 'Security Code', 'promex' ),
'type' => 'text',
'description' => __( 'Encription Key from Cash U', 'promex' ),
'default' => __( 'Instructions for CashU payment Gateways.', 'promex' )
),
'enable_for_methods' => array(
'title' => __( 'Enable for shipping methods', 'promex' ),
'type' => 'multiselect',
'class' => 'chosen_select',
'css' => 'width: 450px;',
'default' => '',
'description' => __( 'If Cash U is only available for certain methods, set it up here. Leave blank to enable for all methods.', 'promex' ),
'options' => $shipping_methods,
'desc_tip' => true,
)
);
}
public function admin_options(){
echo '<h3>'.__('CashU Payment Gateway', 'promex').'</h3>';
echo '<p>'.__('CashU is most popular payment gateway for online shopping in MENA').'</p>';
echo '<table class="form-table">';
// Generate the HTML For the settings form.
$this -> generate_settings_html();
echo '</table>';
}
/**
* There are no payment fields for CashU, but we want to show the description if set.
**/
function payment_fields(){
if($this -> description) echo wpautop(wptexturize($this -> description));
}
/**
* Receipt Page
**/
function receipt_page($order){
echo '<p>'.__('Thank you for your order, please click the button below to pay with CashU.', 'promex').'</p>';
echo $this -> generate_cashu_form($order);
}
/**
* Generate cashu button link
**/
public function generate_cashu_form($order_id){
global $woocommerce;
$order = new WC_Order( $order_id );
$txnid = $order_id.'_'.date("ymds");
$productinfo = "Order $order_id";
$security = $this ->security_code;
$redirect_url = ($this -> redirect_page_id=="" || $this -> redirect_page_id==0)?get_site_url() . "/":get_permalink($this -> redirect_page_id);
$environment_url = 'https://www.cashu.com/cgi-bin/pcashu.cgi';
$hash = md5(strtolower($this -> merchant_id).':'.$order -> order_total.':usd:'.$security);
$cashu_args = array(
'merchant_id' => $this -> merchant_id,
'token' => $hash,
'display_text' => $order_id,
'currency' => "USD",
'amount' => $order -> order_total,
'language' => "EN",
'session_id' => $txnid,
'txt1' => $productinfo,
'test_mode' => $this -> test_mode,
'service_name' => $this -> service_name,
);
$cashu_args_array = array();
foreach($cashu_args as $key => $value){
$cashu_args_array[] = "<input type='hidden' name='$key' value='$value'/>";
}
return '<form action="https://www.cashu.com/cgi-bin/pcashu.cgi" method="post" id="cashu_payment_form">
' . implode('', $cashu_args_array) . '
<input type="submit" class="button-alt" id="submit_cashu_payment_form" value="'.__('Pay via CashU', 'promex').'" /> <a class="button cancel" href="'.$order->get_cancel_order_url().'">'.__('Cancel order & restore cart', 'promex').'</a>
</form>';
}
/**
*Cash U Notification after Success payment
**/
function cashu_response(){
//!!!
}
/**
* Process the payment and return the result
**/
function process_payment($order_id){
global $woocommerce;
$order = new WC_Order( $order_id );
return array('result' => 'success', 'redirect' => add_query_arg('order',
$order->id, add_query_arg('key', $order->order_key, get_permalink(get_option('woocommerce_pay_page_id')))),
);
$order->update_status( 'processing', 'promex');
WC()->cart->empty_cart();
}
}
/**
* Add the Gateway to WooCommerce
**/
function woocommerce_add_promex_cashu_gateway($methods) {
$methods[] = ‘WC_Promex_Cashu’;
return $methods;
}
add_filter('woocommerce_payment_gateways', 'woocommerce_add_promex_cashu_gateway' );
}
and the XML notification from Cashu itself is like:
<?php
$encryptionKey='encryption_key_value';
$sRequest=$_POST["sRequest"];
$successTransaction = new SimpleXMLElement($sRequest);
$merchant_id=$successTransaction->cashUTransaction[0]->merchant_id;
$amount= $successTransaction->cashUTransaction[0]->amount;
$currency=$successTransaction->cashUTransaction[0]->currency;
$language= $successTransaction->cashUTransaction[0]->language;
$txt1= $successTransaction->cashUTransaction[0]->txt1;
$token= $successTransaction->cashUTransaction[0]->token;
$cashU_trnID= $successTransaction->cashUTransaction[0]->cashU_trnID;
$session_id= $successTransaction->cashUTransaction[0]->session_id;
$cashUToken= $successTransaction->cashUTransaction[0]->cashUToken;
$display_text=$successTransaction->cashUTransaction[0]->display_text;
$responseCode=$successTransaction->cashUTransaction[0]->responseCode;
$servicesName=$successTransaction->cashUTransaction[0]->servicesName;
$trnDate=$successTransaction->cashUTransaction[0]->trnDate;
$originaAmount= "Original_amount";
$originaCurrency= "Original_currency";
$calculatedCashuToken=MD5(strtolower($merchant_id).':'.$trn_id.':'.strtolower($encryptionKey));
if($calculatedCashuToken!=$cashUToken) {
echo’error_test’;
} else {
$calculatedtoken = md5(strtolower ($merchant_id).':'.$originaAmount.':'.strtolower($originaCurrency).':'.$encryptionKey);
if($calculatedtoken!=$token) {
echo'error_test_2';
} else {
echo 'test_ok_thank_you';
}
if($responseCode=='OK')
{
$sRequest= "sRequest=<cashUTransaction><merchant_id>".$merchant_id."</merchant_id><cashU_trnID>".$cashU_trnID."</cashU_trnID><cashUToken>".$cashUToken."</cashUToken><responseCode>".$responseCode."</responseCode><responseDate>".date("Y-m-d H:i:s")."</responseDate></cashUTransaction>";
$ch = curl_init();
$useragent="Mozilla/5.0 (Windows NT 6.1; WOW64; rv:20.0) Gecko/20100101 Firefox/20.0";
curl_setopt($ch, CURLOPT_USERAGENT, $useragent);
curl_setopt($ch, CURLOPT_URL, 'https://www.cashu.com/cgi-bin/notification/MerchantFeedBack.cgi');
curl_setopt($ch, CURLOPT_VERBOSE, 0);
curl_setopt($ch, CURLOPT_HEADER, true);
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'POST');
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_TIMEOUT, 0);
curl_setopt($ch, CURLOPT_POSTFIELDS, $sRequest);
curl_setopt($ch, CURLOPT_HTTPHEADER, array('Connection: close'));
$result = curl_exec($ch); curl_close($ch);
}
}
