monerowp/monero/include/monero_payments.php

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PHP
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<?php
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/*
* Main Gateway of Monero using a daemon online
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* Authors: Serhack and cryptochangements
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*/
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class Monero_Gateway extends WC_Payment_Gateway
{
private $reloadTime = 30000;
private $discount;
private $confirmed = false;
private $monero_daemon;
private $non_rpc = false;
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 on our website. You'll need a daemon online for your address.", 'monero_gateway');
$this->title = __("Monero Gateway", 'monero_gateway');
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$this->version = "0.3";
//
$this->icon = apply_filters('woocommerce_offline_icon', '');
$this->has_fields = false;
$this->log = new WC_Logger();
$this->init_form_fields();
$this->host = $this->get_option('daemon_host');
$this->port = $this->get_option('daemon_port');
$this->address = $this->get_option('monero_address');
$this->viewKey = $this->get_option('viewKey');
$this->discount = $this->get_option('discount');
$this->use_viewKey = $this->get_option('use_viewKey');
$this->use_rpc = $this->get_option('use_rpc');
if($this->use_viewKey == 'yes')
{
$this->non_rpc = true;
}
if($this->use_rpc == 'yes')
{
$this->non_rpc = false;
}
// 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 = $value;
}
add_action('admin_notices', array($this, 'do_ssl_check'));
add_action('admin_notices', array($this, 'validate_fields'));
add_action('woocommerce_thankyou_' . $this->id, array($this, 'instruction'));
if (is_admin()) {
/* Save Settings */
add_action('woocommerce_update_options_payment_gateways_' . $this->id, array($this, 'process_admin_options'));
add_filter('woocommerce_currencies', 'add_my_currency');
add_filter('woocommerce_currency_symbol', 'add_my_currency_symbol', 10, 2);
add_action('woocommerce_email_before_order_table', array($this, 'email_instructions'), 10, 2);
}
$this->monero_daemon = new Monero_Library($this->host, $this->port);
}
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')
),
'use_viewKey' => array(
'title' => __('Use ViewKey', 'monero_gateway'),
'label' => __(' Verify Transaction with ViewKey ', 'monero_gateway'),
'type' => 'checkbox',
'description' => __('Fill in the Address and ViewKey fields to verify transactions with your ViewKey', 'monero_gateway'),
'default' => 'no'
),
'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')
),
'viewKey' => array(
'title' => __('Secret ViewKey', 'monero_gateway'),
'label' => __('Secret ViewKey'),
'type' => 'text',
'desc_tip' => __('Your secret ViewKey', 'monero_gateway')
),
'use_rpc' => array(
'title' => __('Use monero-wallet-rpc', 'monero_gateway'),
'label' => __(' Verify transactions with the monero-wallet-rpc ', 'monero_gateway'),
'type' => 'checkbox',
'description' => __('This must be setup seperatly', 'monero_gateway'),
'default' => 'no'
),
'daemon_host' => array(
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'title' => __('Monero wallet rpc 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(
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'title' => __('Monero wallet rpc port', 'monero_gateway'),
'type' => 'text',
'desc_tip' => __('This is the Daemon Host/IP to authorize the payment with port', 'monero_gateway'),
'default' => '18080',
),
'discount' => array(
'title' => __('% discount for using XMR', 'monero_gateway'),
'desc_tip' => __('Provide a discount to your customers for making a private payment with XMR!', 'monero_gateway'),
'description' => __('Do you want to spread the word about Monero? Offer a small discount! Leave this empty if you do not wish to provide a discount', 'monero_gateway'),
'type' => __('number'),
'default' => '5'
),
'environment' => array(
'title' => __(' Testnet', 'monero_gateway'),
'label' => __(' Check this if you are using testnet ', 'monero_gateway'),
'type' => 'checkbox',
'description' => __('Check this box if you are using testnet', 'monero_gateway'),
'default' => 'no'
),
'onion_service' => array(
'title' => __(' SSL warnings ', 'monero_gateway'),
'label' => __(' Check to Silence SSL warnings', 'monero_gateway'),
'type' => 'checkbox',
'description' => __('Check this box if you are running on an Onion Service (Suppress SSL errors)', 'monero_gateway'),
'default' => 'no'
),
);
}
public function add_my_currency($currencies)
{
$currencies['XMR'] = __('Monero', 'woocommerce');
return $currencies;
}
function add_my_currency_symbol($currency_symbol, $currency)
{
switch ($currency) {
case 'XMR':
$currency_symbol = 'XMR';
break;
}
return $currency_symbol;
}
public function admin_options()
{
$this->log->add('Monero_gateway', '[SUCCESS] Monero Settings OK');
echo "<h1>Monero Payment Gateway</h1>";
echo "<p>Welcome to Monero Extension for WooCommerce. Getting started: Make a connection with daemon <a href='https://reddit.com/u/serhack'>Contact Me</a>";
echo "<div style='border:1px solid #DDD;padding:5px 10px;font-weight:bold;color:#223079;background-color:#9ddff3;'>";
if(!$this->non_rpc) // only try to get balance data if using wallet-rpc
$this->getamountinfo();
echo "</div>";
echo "<table class='form-table'>";
$this->generate_settings_html();
echo "</table>";
echo "<h4>Learn more about using monero-wallet-rpc <a href=\"https://github.com/monero-integrations/monerowp/blob/master/README.md\">here</a> and viewkeys <a href=\"https://getmonero.org/resources/moneropedia/viewkey.html\">here</a> </h4>";
}
public function getamountinfo()
{
$wallet_amount = $this->monero_daemon->getbalance();
if (!isset($wallet_amount)) {
$this->log->add('Monero_gateway', '[ERROR] Can not connect to monero-wallet-rpc');
echo "</br>Your balance is: Not Avaliable </br>";
echo "Unlocked balance: Not Avaliable";
}
else
{
$real_wallet_amount = $wallet_amount['balance'] / 1000000000000;
$real_amount_rounded = round($real_wallet_amount, 6);
$unlocked_wallet_amount = $wallet_amount['unlocked_balance'] / 1000000000000;
$unlocked_amount_rounded = round($unlocked_wallet_amount, 6);
echo "Your balance is: " . $real_amount_rounded . " XMR </br>";
echo "Unlocked balance: " . $unlocked_amount_rounded . " XMR </br>";
}
}
public function process_payment($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 thank you redirect
return array(
'result' => 'success',
'redirect' => $this->get_return_url($order)
);
}
// Submit payment and handle response
public function validate_fields()
{
if ($this->check_monero() != TRUE) {
echo "<div class=\"error\"><p>Your Monero Address doesn't look valid. Have you checked it?</p></div>";
}
if(!$this->check_viewKey())
{
echo "<div class=\"error\"><p>Your ViewKey doesn't look valid. Have you checked it?</p></div>";
}
if($this->check_checkedBoxes())
{
echo "<div class=\"error\"><p>You must choose to either use monero-wallet-rpc or a ViewKey, not both</p></div>";
}
}
// Validate fields
public function check_monero()
{
$monero_address = $this->settings['monero_address'];
if (strlen($monero_address) == 95 && substr($monero_address, 1)) {
return true;
}
return false;
}
public function check_viewKey()
{
if($this->use_viewKey == 'yes')
{
if (strlen($this->viewKey) == 64) {
return true;
}
return false;
}
return true;
}
public function check_checkedBoxes()
{
if($this->use_viewKey == 'yes')
{
if($this->use_rpc == 'yes')
{
return true;
}
}
else
return false;
}
public function is_virtual_in_cart($order_id)
{
$order = wc_get_order( $order_id );
$items = $order->get_items();
foreach ( $items as $item ) {
$product = new WC_Product( $item['product_id'] );
if ( $product->is_virtual() ) {
return true;
}
}
return false;
}
public function instruction($order_id)
{
if($this->non_rpc)
{
$order = wc_get_order($order_id);
$amount = floatval(preg_replace('#[^\d.]#', '', $order->get_total()));
$payment_id = $this->set_paymentid_cookie(32);
$currency = $order->get_currency();
$amount_xmr2 = $this->changeto($amount, $currency, $payment_id);
$address = $this->address;
if (!isset($address)) {
// If there isn't address (merchant missed that field!), $address will be the Monero address for donating :)
$address = "44AFFq5kSiGBoZ4NMDwYtN18obc8AemS33DBLWs3H7otXft3XjrpDtQGv7SqSsaBYBb98uNbr2VBBEt7f2wfn3RVGQBEP3A";
}
$uri = "monero:$address?amount=$amount?payment_id=$payment_id";
if($this->verify_non_rpc($payment_id, $amount_xmr2, $order_id) == false);
{
echo "<h4> We are waiting for your transaction to be confirmed </h4>";
}
echo "
<head>
<!--Import Google Icon Font-->
<link href='https://fonts.googleapis.com/icon?family=Material+Icons' rel='stylesheet'>
<link href='https://fonts.googleapis.com/css?family=Montserrat:400,800' rel='stylesheet'>
<link href='http://cdn.monerointegrations.com/style.css' rel='stylesheet'>
<!--Let browser know website is optimized for mobile-->
<meta name='viewport' content='width=device-width, initial-scale=1.0'/>
</head>
<body>
<!-- page container -->
<div class='page-container'>
<!-- monero container payment box -->
<div class='container-xmr-payment'>
<!-- header -->
<div class='header-xmr-payment'>
<span class='logo-xmr'><img src='http://cdn.monerointegrations.com/logomonero.png' /></span>
<span class='xmr-payment-text-header'><h2>MONERO PAYMENT</h2></span>
</div>
<!-- end header -->
<!-- xmr content box -->
<div class='content-xmr-payment'>
<div class='xmr-amount-send'>
<span class='xmr-label'>Send:</span>
<div class='xmr-amount-box'>".$amount_xmr2."</div>
<span class='xmr-label'>Payment ID:</span>
<div class='xmr-integrated-address-box'>".$payment_id."</div>
</div>
<div class='xmr-address'>
<span class='xmr-label'>To this address:</span>
<div class='xmr-address-box'>".$address."</div>
</div>
<div class='xmr-qr-code'>
<span class='xmr-label'>Or scan QR:</span>
<div class='xmr-qr-code-box'><img src='https://api.qrserver.com/v1/create-qr-code/? size=200x200&data=".$uri."' /></div>
</div>
<div class='clear'></div>
</div>
<!-- end content box -->
<!-- footer xmr payment -->
<div class='footer-xmr-payment'>
<a href='https://getmonero.org' target='_blank'>Help</a> | <a href='https://getmonero.org' target='_blank'>About Monero</a>
</div>
<!-- end footer xmr payment -->
</div>
<!-- end monero container payment box -->
</div>
<!-- end page container -->
</body>
";
echo "
<script type='text/javascript'>setTimeout(function () { location.reload(true); }, $this->reloadTime);</script>";
}
else
{
$order = wc_get_order($order_id);
$amount = floatval(preg_replace('#[^\d.]#', '', $order->get_total()));
$payment_id = $this->set_paymentid_cookie(8);
$currency = $order->get_currency();
$amount_xmr2 = $this->changeto($amount, $currency, $payment_id);
$address = $this->address;
if (!isset($address)) {
// If there isn't address (merchant missed that field!), $address will be the Monero address for donating :)
$address = "44AFFq5kSiGBoZ4NMDwYtN18obc8AemS33DBLWs3H7otXft3XjrpDtQGv7SqSsaBYBb98uNbr2VBBEt7f2wfn3RVGQBEP3A";
}
$uri = "monero:$address?amount=$amount?payment_id=$payment_id";
$array_integrated_address = $this->monero_daemon->make_integrated_address($payment_id);
if (!isset($array_integrated_address)) {
$this->log->add('Monero_Gateway', '[ERROR] Unable get integrated address');
// Seems that we can't connect with daemon, then set array_integrated_address, little hack
$array_integrated_address["integrated_address"] = $address;
}
$message = $this->verify_payment($payment_id, $amount_xmr2, $order);
if ($this->confirmed) {
$color = "006400";
} else {
$color = "DC143C";
}
echo "<h4><font color=$color>" . $message . "</font></h4>";
echo "
<head>
<!--Import Google Icon Font-->
<link href='https://fonts.googleapis.com/icon?family=Material+Icons' rel='stylesheet'>
<link href='https://fonts.googleapis.com/css?family=Montserrat:400,800' rel='stylesheet'>
<link href='http://127.0.0.1:8888/style.css' rel='stylesheet'>
<!--Let browser know website is optimized for mobile-->
<meta name='viewport' content='width=device-width, initial-scale=1.0'/>
</head>
<body>
<!-- page container -->
<div class='page-container'>
<!-- monero container payment box -->
<div class='container-xmr-payment'>
<!-- header -->
<div class='header-xmr-payment'>
<span class='logo-xmr'><img src='http://cdn.monerointegrations.com/logomonero.png' /></span>
<span class='xmr-payment-text-header'><h2>MONERO PAYMENT</h2></span>
</div>
<!-- end header -->
<!-- xmr content box -->
<div class='content-xmr-payment'>
<div class='xmr-amount-send'>
<span class='xmr-label'>Send:</span>
<div class='xmr-amount-box'>".$amount_xmr2."</div>
</div>
<div class='xmr-address'>
<span class='xmr-label'>To this address:</span>
<div class='xmr-address-box'>".$array_integrated_address['integrated_address']."</div>
</div>
<div class='xmr-qr-code'>
<span class='xmr-label'>Or scan QR:</span>
<div class='xmr-qr-code-box'><img src='https://api.qrserver.com/v1/create-qr-code/? size=200x200&data=".$uri."' /></div>
</div>
<div class='clear'></div>
</div>
<!-- end content box -->
<!-- footer xmr payment -->
<div class='footer-xmr-payment'>
<a href='https://getmonero.org' target='_blank'>Help</a> | <a href='https://getmonero.org' target='_blank'>About Monero</a>
</div>
<!-- end footer xmr payment -->
</div>
<!-- end monero container payment box -->
</div>
<!-- end page container -->
</body>
";
echo "
<script type='text/javascript'>setTimeout(function () { location.reload(true); }, $this->reloadTime);</script>";
}
}
private function set_paymentid_cookie($size)
{
if (!isset($_COOKIE['payment_id'])) {
$payment_id = bin2hex(openssl_random_pseudo_bytes($size));
setcookie('payment_id', $payment_id, time() + 2700);
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}
else{
$payment_id = $this->sanatize_id($_COOKIE['payment_id']);
}
return $payment_id;
}
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public function sanatize_id($payment_id)
{
// Limit payment id to alphanumeric characters
$sanatized_id = preg_replace("/[^a-zA-Z0-9]+/", "", $payment_id);
return $sanatized_id;
}
public function changeto($amount, $currency, $payment_id)
{
global $wpdb;
// This will create a table named whatever the payment id is inside the database "WordPress"
$create_table = "CREATE TABLE IF NOT EXISTS $payment_id (
rate INT
)";
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$wpdb->query($create_table);
$rows_num = $wpdb->get_results("SELECT count(*) as count FROM $payment_id");
if ($rows_num[0]->count > 0) // Checks if the row has already been created or not
{
$stored_rate = $wpdb->get_results("SELECT rate FROM $payment_id");
$stored_rate_transformed = $stored_rate[0]->rate / 100; //this will turn the stored rate back into a decimaled number
if (isset($this->discount)) {
$sanatized_discount = preg_replace('/[^0-9]/', '', $this->discount);
$discount_decimal = $sanatized_discount / 100;
$new_amount = $amount / $stored_rate_transformed;
$discount = $new_amount * $discount_decimal;
$final_amount = $new_amount - $discount;
$rounded_amount = round($final_amount, 12);
} else {
$new_amount = $amount / $stored_rate_transformed;
$rounded_amount = round($new_amount, 12); //the moneo wallet can't handle decimals smaller than 0.000000000001
}
} else // If the row has not been created then the live exchange rate will be grabbed and stored
{
$xmr_live_price = $this->retriveprice($currency);
$live_for_storing = $xmr_live_price * 100; //This will remove the decimal so that it can easily be stored as an integer
$new_amount = $amount / $xmr_live_price;
$rounded_amount = round($new_amount, 12);
$wpdb->query("INSERT INTO $payment_id (rate)
VALUES ($live_for_storing)");
}
return $rounded_amount;
}
// Check if we are forcing SSL on checkout pages
// Custom function not required by the Gateway
public function retriveprice($currency)
{
$xmr_price = file_get_contents('https://min-api.cryptocompare.com/data/price?fsym=XMR&tsyms=BTC,USD,EUR,CAD,INR,GBP,COP&extraParams=monero_woocommerce');
$price = json_decode($xmr_price, TRUE);
if (!isset($price)) {
$this->log->add('Monero_Gateway', '[ERROR] Unable to get the price of Monero');
}
switch ($currency) {
case 'USD':
return $price['USD'];
case 'EUR':
return $price['EUR'];
case 'CAD':
return $price['CAD'];
case 'GBP':
return $price['GBP'];
case 'INR':
return $price['INR'];
case 'COP':
return $price['COP'];
case 'XMR':
$price = '1';
return $price;
}
}
private function on_verified($payment_id, $amount_atomic_units, $order_id)
{
$message = "Payment has been received and confirmed. Thanks!";
$this->log->add('Monero_gateway', '[SUCCESS] Payment has been recorded. Congratulations!');
$this->confirmed = true;
$order = wc_get_order($order_id);
if($this->is_virtual_in_cart($order_id) == true){
$order->update_status('completed', __('Payment has been received', 'monero_gateway'));
}
else{
$order->update_status('processing', __('Payment has been received', 'monero_gateway'));
}
global $wpdb;
$wpdb->query("DROP TABLE $payment_id"); // Drop the table from database after payment has been confirmed as it is no longer needed
$this->reloadTime = 3000000000000; // Greatly increase the reload time as it is no longer needed
return $message;
}
public function verify_payment($payment_id, $amount, $order_id)
{
/*
* function for verifying payments
* Check if a payment has been made with this payment id then notify the merchant
*/
$message = "We are waiting for your payment to be confirmed";
$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 = $this->on_verified($payment_id, $amount_atomic_units, $order_id);
}
if ($get_payments_method["payments"][0]["amount"] < $amount_atomic_units)
{
$totalPayed = $get_payments_method["payments"][0]["amount"];
$outputs_count = count($get_payments_method["payments"]); // number of outputs recieved with this payment id
$output_counter = 1;
while($output_counter < $outputs_count)
{
$totalPayed += $get_payments_method["payments"][$output_counter]["amount"];
$output_counter++;
}
if($totalPayed >= $amount_atomic_units)
{
$message = $this->on_verified($payment_id, $amount_atomic_units, $order_id);
}
}
}
return $message;
}
public function verify_non_rpc($payment_id, $amount, $order_id)
{
$tools = new NodeTools();
$bc_height = $tools->get_last_block_height();
$txs_from_block = $tools->get_txs_from_block($bc_height);
$tx_count = count($txs_from_block) - 1; // The tx at index 0 is a coinbase tx so it can be ignored
$i = 1;
$output_found;
$block_index;
while($i <= $tx_count)
{
$tx_hash = $txs_from_block[$i]['tx_hash'];
$result = $tools->check_tx($tx_hash, $this->address, $this->viewKey);
if($result)
{
$output_found = $result;
$block_index = $i;
$i = $tx_count; // finish loop
}
$i++;
}
if(isset($output_found))
{
$amount_atomic_units = $amount * 1000000000000;
if($txs_from_block[$block_index]['payment_id'] == $payment_id && $output_found >= $amount)
{
$this->on_verified($payment_id, $amount_atomic_units, $order_id);
}
return true;
}
return false;
}
public function do_ssl_check()
{
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if ($this->enabled == "yes" && !$this->get_option('onion_service')) {
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>";
}
}
}
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 to Monero. <button type=\"button\" class=\"notice-dismiss\">
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<span class=\"screen-reader-text\">Dismiss this notice.</span>
</button></p></div>";
} else {
$this->log->add('Monero_gateway', '[ERROR] Plugin can not reach wallet rpc.');
echo "<div class=\" notice notice-error\"><p>Error with connection of daemon, see documentation!</p></div>";
}
}
}