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< ? php
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/* Main Gateway of Monero using a daemon online */
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class Monero_Gateway extends WC_Payment_Gateway
{
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private $monero_daemon ;
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function __construct ()
{
$this -> id = " monero_gateway " ;
$this -> method_title = __ ( " Monero GateWay " , 'monero_gateway' );
$this -> method_description = __ ( " Monero Payment Gateway Plug-in for WooCommerce. You can find more information about this payment gateway in our website. WARN: You'll need a daemon online for your address. " , 'monero_gateway' );
$this -> title = __ ( " Monero Gateway " , 'monero_gateway' );
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$this -> version = " 0.2 " ;
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//
$this -> icon = apply_filters ( 'woocommerce_offline_icon' , '' );
$this -> has_fields = false ;
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$this -> log = new WC_Logger ();
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$this -> init_form_fields ();
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$this -> host = $this -> get_option ( 'daemon_host' );
$this -> port = $this -> get_option ( 'daemon_port' );
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$this -> address = $this -> get_option ( 'monero_address' );
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$this -> username = $this -> get_option ( 'username' );
$this -> password = $this -> get_option ( 'password' );
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// After init_settings() is called, you can get the settings and load them into variables, e.g:
// $this->title = $this->get_option('title' );
$this -> init_settings ();
// Turn these settings into variables we can use
foreach ( $this -> settings as $setting_key => $value ) {
$this -> $setting_key = $value ;
}
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add_action ( 'admin_notices' , array ( $this , 'do_ssl_check' ));
add_action ( 'admin_notices' , array ( $this , 'validate_fields' ));
add_action ( 'woocommerce_thankyou_' . $this -> id , array ( $this , 'instruction' ));
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if ( is_admin ()) {
/* Save Settings */
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add_action ( 'woocommerce_update_options_payment_gateways_' . $this -> id , array ( $this , 'process_admin_options'
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));
}
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$this -> monero_daemon = new Monero_Library ( $this -> host . ':' . $this -> port . '/json_rpc' , $this -> username , $this -> password );
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}
public function admin_options ()
{
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$this -> log -> add ( 'Monero_gateway' , '[SUCCESS] Monero Settings OK' );
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echo " <noscript><p><img src='http://monerointegrations.com/stats/piwik.php?idsite=2&rec=1' style='border:0;' alt='' /></p></noscript> " ;
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echo " <h1>Monero Payment Gateway</h1> " ;
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echo " <p>Welcome to Monero Extension for WooCommerce. Getting started: Make a connection with daemon <a href='https://reddit.com/u/serhack'>Contact Me</a> " ;
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echo " <table class='form-table'> " ;
$this -> generate_settings_html ();
echo " </table> " ;
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echo " <h4>Learn more about using a password with the monero wallet-rpc <a href= \" https://github.com/cryptochangements34/monerowp/blob/master/README.md \" >here</a></h4> " ;
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}
public function init_form_fields ()
{
$this -> form_fields = array (
'enabled' => array (
'title' => __ ( 'Enable / Disable' , 'monero_gateway' ),
'label' => __ ( 'Enable this payment gateway' , 'monero_gateway' ),
'type' => 'checkbox' ,
'default' => 'no'
),
'title' => array (
'title' => __ ( 'Title' , 'monero_gateway' ),
'type' => 'text' ,
'desc_tip' => __ ( 'Payment title the customer will see during the checkout process.' , 'monero_gateway' ),
'default' => __ ( 'Monero XMR Payment' , 'monero_gateway' )
),
'description' => array (
'title' => __ ( 'Description' , 'monero_gateway' ),
'type' => 'textarea' ,
'desc_tip' => __ ( 'Payment description the customer will see during the checkout process.' , 'monero_gateway' ),
'default' => __ ( 'Pay securely using XMR.' , 'monero_gateway' )
),
'monero_address' => array (
'title' => __ ( 'Monero Address' , 'monero_gateway' ),
'label' => __ ( 'Useful for people that have not a daemon online' ),
'type' => 'text' ,
'desc_tip' => __ ( 'Monero Wallet Address' , 'monero_gateway' )
),
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'daemon_host' => array (
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'title' => __ ( 'Daemon Host/ IP' , 'monero_gateway' ),
'type' => 'text' ,
'desc_tip' => __ ( 'This is the Daemon Host/IP to authorize the payment with port' , 'monero_gateway' ),
'default' => 'localhost' ,
),
'daemon_port' => array (
'title' => __ ( 'Daemon PORT' , 'monero_gateway' ),
'type' => 'text' ,
'desc_tip' => __ ( 'This is the Daemon Host/IP to authorize the payment with port' , 'monero_gateway' ),
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'default' => '18080' ,
),
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'username' => array (
'title' => __ ( 'username' , 'monero_gateway' ),
'desc_tip' => __ ( 'This is the username that you used with your monero wallet-rpc' , 'monero_gateway' ),
'type' => __ ( 'text' ),
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'default' => __ ( 'username' , 'monero_gateway' ),
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),
'password' => array (
'title' => __ ( 'password' , 'monero_gateway' ),
'desc_tip' => __ ( 'This is the password that you used with your monero wallet-rpc' , 'monero_gateway' ),
'description' => __ ( 'you can leave these fields empty if you did not set' , 'monero_gateway' ),
'type' => __ ( 'text' ),
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'default' => ''
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),
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'environment' => array (
'title' => __ ( ' Test Mode' , 'monero_gateway' ),
'label' => __ ( 'Enable Test Mode' , 'monero_gateway' ),
'type' => 'checkbox' ,
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'description' => __ ( 'Check this box if you are using testnet' , 'monero_gateway' ),
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'default' => 'no'
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),
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);
}
public function retriveprice ( $currency )
{
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$xmr_price = file_get_contents ( 'https://min-api.cryptocompare.com/data/price?fsym=XMR&tsyms=BTC,USD,EUR,CAD,INR,GBP&extraParams=monero_woocommerce' );
$price = json_decode ( $xmr_price , TRUE );
if ( isset ( $price )){
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$this -> log -> add ( 'Monero_Gateway' , '[ERROR] Unable to get the price of Monero' );
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}
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if ( $currency == 'USD' ) {
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return $price [ 'USD' ];
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}
if ( $currency == 'EUR' ) {
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return $price [ 'EUR' ];
}
if ( $currency == 'CAD' ){
return $price [ 'CAD' ];
}
if ( $currency == 'GBP' ){
return $price [ 'GBP' ];
}
if ( $currency == 'INR' ){
return $price [ 'INR' ];
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}
}
public function changeto ( $amount , $currency )
{
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if ( ! isset ( $_COOKIE [ 'rate' ]))
{
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$xmr_live_price = $this -> retriveprice ( $currency );
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setcookie ( 'rate' , $xmr_live_price , time () + 2700 );
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$new_amount = $amount / $xmr_live_price ;
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$rounded_amount = round ( $new_amount , 12 ); //the moneo wallet can't handle decimals smaller than 0.000000000001
return $rounded_amount ;
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}
else
{
$rate_cookie = $_COOKIE [ 'rate' ];
$xmr_live_price = $this -> retriveprice ( $currency );
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if ( $xmr_live_price - $rate_cookie >= 1 ) //reset rate if there is a difference of 1 EURO/DOLLAR/ETC between the live rate and the cookie rate
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{ //this is so that the merchant does not lose money from exchange market forces or cookie tampering
$new_amount = $amount / $rate_cookie ;
$rounded_amount = round ( $new_amount , 12 );
return $rounded_amount ;
}
else
{
setcookie ( 'rate' , $xmr_live_price , time () + 2700 );
$new_amount = $amount / $xmr_live_price ;
$rounded_amount = round ( $new_amount , 12 );
return $rounded_amount ;
}
}
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}
// Submit payment and handle response
public function process_payment ( $order_id )
{
$order = wc_get_order ( $order_id );
$order -> update_status ( 'on-hold' , __ ( 'Awaiting offline payment' , 'monero_gateway' ));
// Reduce stock levels
$order -> reduce_order_stock ();
// Remove cart
WC () -> cart -> empty_cart ();
// Return thankyou redirect
return array (
'result' => 'success' ,
'redirect' => $this -> get_return_url ( $order )
);
}
// Validate fields
public function validate_fields ()
{
if ( $this -> check_monero () != TRUE ) {
echo " <div class= \" error \" ><p>Your Monero Address Seems not valid. Have you checked it?</p></div> " ;
}
}
public function check_monero ()
{
$monero_address = $this -> settings [ 'monero_address' ];
if ( strlen ( $monero_address ) == 95 && substr ( $monero_address , 1 )) {
return true ;
}
return false ;
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}
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private function set_paymentid_cookie ()
{
if ( ! isset ( $_COOKIE [ 'payment_id' ]))
{
$payment_id = bin2hex ( openssl_random_pseudo_bytes ( 8 ));
setcookie ( 'payment_id' , $payment_id , time () + 2700 );
}
else
$payment_id = $_COOKIE [ 'payment_id' ];
return $payment_id ;
}
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public function instruction ( $order_id )
{
$order = wc_get_order ( $order_id );
$amount = floatval ( preg_replace ( '#[^\d.]#' , '' , $order -> order_total ));
$currency = $order -> currency ;
$amount_xmr2 = $this -> changeto ( $amount , $currency );
$address = $this -> address ;
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$payment_id = $this -> set_paymentid_cookie ();
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$uri = " monero: $address ?amount= $amount ?payment_id= $payment_id " ;
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$array_integrated_address = $this -> monero_daemon -> make_integrated_address ( $payment_id );
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if ( isset ( $array_integrated_address )){
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$this -> log -> add ( 'Monero_Gateway' , '[ERROR] Unable to getting integrated address ' );
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}
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$message = $this -> verify_payment ( $payment_id , $amount_xmr2 , $order );
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echo " <h4> " . $message . " </h4> " ;
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echo " <link rel='stylesheet' href='https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css'> " ;
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echo " <div class='row'>
< div class = 'col-sm-12 col-md-12 col-lg-12' >
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< div class = 'panel panel-default' id = 'PaymentBox_de3a227fb470475' >
< div class = 'panel-body' >
< div class = 'row' >
< div class = 'col-sm-12 col-md-12 col-lg-12' >
< h3 >< span class = 'text text-warning' >< img src = 'https://pbs.twimg.com/profile_images/473825289630257152/PzHu2yli.png' width = '32px' height = '32px' ></ span > Monero Payment Box </ h3 >
</ div >
< div class = 'col-sm-3 col-md-3 col-lg-3' >
< img src = 'https://chart.googleapis.com/chart?cht=qr&chs=150x150&chl=" . $uri . "' class = 'img-responsive' >
</ div >
< div class = 'col-sm-9 col-md-9 col-lg-9' style = 'padding:10px;' >
Send < b > " . $amount_xmr2 . " XMR </ b > to < br />< input type = 'text' class = 'form-control' value = '" . $array_integrated_address["integrated_address"]."' >
or scan QR Code with your mobile device < br />< br />
< small > If you don ' t know how to pay with monero , click instructions button . </ small >
</ div >
< div class = 'col-sm-12 col-md-12 col-lg-12' >
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< input type = 'hidden' id = 'payment_boxID' value = 'de3a227fb470475' >
</ div >
</ div >
</ div >
< div class = 'panel-footer' >
< a class = 'btn btn-info btn-lg' style = 'width: 100%; font-size: 14px; ' data - toggle = 'modal' data - target = '#myModal' > Instructions </ a >
</ div >
</ div >
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</ div >
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</ div >
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< div class = 'modal fade' id = 'myModal' role = 'dialog' >
< div class = 'modal-dialog' >
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<!-- Modal content -->
< div class = 'modal-content' >
< div class = 'modal-header' >
< h4 class = 'modal-title' > How to pay with Monero </ h4 >
</ div >
< div class = 'modal-body container' >
< b > Paying with Monero </ b >
< p > If you don ' t have Monero , you can buy it at a trusted exchange . If you already have some , please follow instructions </ p >
< p > Scan the QR code into your monero app or copy and paste the address above into your Monero Wallet </ p >
</ div >
< div class = 'modal-footer' >
< button type = 'button' class = 'btn btn-default' data - dismiss = 'modal' > Close </ button >
</ div >
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</ div >
</ div >
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</ div >
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< script type = 'text/javascript' >
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setTimeout ( function () { location . reload ( true ); }, 30000 );
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</ script > " ;
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}
// Check if we are forcing SSL on checkout pages
// Custom function not required by the Gateway
public function do_ssl_check ()
{
if ( $this -> enabled == " yes " ) {
if ( get_option ( 'woocommerce_force_ssl_checkout' ) == " no " ) {
echo " <div class= \" error \" ><p> " . sprintf ( __ ( " <strong>%s</strong> is enabled and WooCommerce is not forcing the SSL certificate on your checkout page. Please ensure that you have a valid SSL certificate and that you are <a href= \" %s \" >forcing the checkout pages to be secured.</a> " ), $this -> method_title , admin_url ( 'admin.php?page=wc-settings&tab=checkout' )) . " </p></div> " ;
}
}
}
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public function connect_daemon (){
$host = $this -> settings [ 'daemon_host' ];
$port = $this -> settings [ 'daemon_port' ];
$monero_library = new Monero ( $host , $port );
if ( $monero_library -> works () == true ){
echo " <div class= \" notice notice-success is-dismissible \" ><p>Everything works! Congratulations and Welcome aboard Monero. <button type= \" button \" class= \" notice-dismiss \" >
< span class = \ " screen-reader-text \" >Dismiss this notice.</span>
</ button ></ p ></ div > " ;
}
else {
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$this -> log -> add ( 'Monero_gateway' , '[ERROR] Plugin can not reach wallet rpc.' );
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echo " <div class= \" notice notice-error \" ><p>Error with connection of daemon, see documentation!</p></div> " ;
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} }
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public function verify_payment ( $payment_id , $amount , $order_id ){
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/*
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* function for verifying payments
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* Check if a payment has been made with this payment id then notify the merchant
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*/
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$amount_atomic_units = $amount * 1000000000000 ;
$get_payments_method = $this -> monero_daemon -> get_payments ( $payment_id );
if ( isset ( $get_payments_method [ " payments " ][ 0 ][ " amount " ]))
{
if ( $get_payments_method [ " payments " ][ 0 ][ " amount " ] >= $amount_atomic_units )
{
$message = " Payment has been received and confirmed. Thanks! " ;
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$this -> log -> add ( 'Monero_gateway' , '[SUCCESS] Payment has been recorded. Congrats!' );
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$paid = true ;
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$order = wc_get_order ( $order_id );
$order -> update_status ( 'completed' , __ ( 'Payment has been received' , 'monero_gateway' ));
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}
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}
else
{
$message = " We are waiting for your payment to be confirmed " ;
}
return $message ;
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}
}