ITS-28: uploaded module

.gitignore

@@ -0,0 +1,53 @@
+# Created by .ignore support plugin (hsz.mobi)
+### JetBrains template
+# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm
+
+*.DS_Store
+
+*.iml
+
+## Directory-based project format:
+.idea/
+# if you remove the above rule, at least ignore the following:
+
+# User-specific stuff:
+# .idea/workspace.xml
+# .idea/tasks.xml
+# .idea/dictionaries
+
+# Sensitive or high-churn files:
+# .idea/dataSources.ids
+# .idea/dataSources.xml
+# .idea/sqlDataSources.xml
+# .idea/dynamic.xml
+# .idea/uiDesigner.xml
+
+# Gradle:
+# .idea/gradle.xml
+# .idea/libraries
+
+# Mongo Explorer plugin:
+# .idea/mongoSettings.xml
+
+## File-based project format:
+*.ipr
+*.iws
+
+## Plugin-specific files:
+
+# IntelliJ
+out/
+
+# mpeltonen/sbt-idea plugin
+.idea_modules/
+
+# JIRA plugin
+atlassian-ide-plugin.xml
+
+# Crashlytics plugin (for Android Studio and IntelliJ)
+com_crashlytics_export_strings.xml
+crashlytics.properties
+crashlytics-build.properties
+
+# Target folder
+target

README.md

@@ -1 +1,19 @@
-# rbkmoney-cms-wp-e-commerce
+# rbkmoney-cms-wp-e-commerce
+
+Платежный плагин RBKmoney для Wordpress + WP e-Commerce
+
+Проверено на Wordpress 4.3.2, WP e-Commerce 3.12.0
+
+### Установка и настройка модуля
+
+#### Установка
+
+- Поместите файлы в директорию "wp-content/plugins" в соответствии с их архитектурой
+- Включите плагин в разделе Settings -> Store -> Payments (wp-admin/options-general.php?page=wpsc-settings&tab=gateway).
+
+
+#### Для начала приема платежей на Вашем сайте необходимо:
+
+- Настройте плагин в соответствии с данными из [личного кабинета RBKmoney](https://dashboard.rbk.money).
+- Скопируйте notification Url и укажите его в настройках магазина в личном кабинете RBKmoney
+- Сохраните изменения и проведите тестовый платеж

wp-e-commerce/wpsc-merchants/rbkmoney-payment.php

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+<?php
+/**
+ * Common settings
+ */
+$nzshpcrt_gateways[$num]['name'] = __('RBKmoney', 'wp-e-commerce');
+$nzshpcrt_gateways[$num]['internalname'] = 'rbkmoney';
+$nzshpcrt_gateways[$num]['function'] = 'gateway_rbkmoney_payment';
+$nzshpcrt_gateways[$num]['form'] = "form_rbkmoney_payment";
+$nzshpcrt_gateways[$num]['submit_function'] = "submit_rbkmoney_payment";
+$nzshpcrt_gateways[$num]['payment_type'] = "rbkmoney";
+$nzshpcrt_gateways[$num]['display_name'] = __('RBKmoney', 'wp-e-commerce');
+$nzshpcrt_gateways[$num]['image'] = WPSC_URL . '/images/rbkmoney_payment.png';
+
+
+require 'rbkmoney-payment/RBKmoneyPayment.php';
+require 'rbkmoney-payment/RBKmoneyPaymentVerification.php';
+
+/**
+ * Output payment button
+ *
+ * @param $separator
+ * @param $sessionid
+ */
+function gateway_rbkmoney_payment($separator, $sessionid)
+{
+    global $wpdb;
+
+    $purchase_log_sql = $wpdb->prepare("SELECT * FROM `" . WPSC_TABLE_PURCHASE_LOGS . "` WHERE `sessionid`= %s LIMIT 1", $sessionid);
+    $purchase_log = $wpdb->get_results($purchase_log_sql, ARRAY_A);
+
+    // e.g. RUB
+    $currency = WPSC_Countries::get_currency_code(get_option('currency_type'));
+
+    $form_company_name = '';
+    if(!empty(trim(get_option('rbkmoney_payment_form_company_name')))) {
+        $form_company_name = 'data-name="' . trim(get_option('rbkmoney_payment_form_company_name')).'"';
+    }
+
+    $form_path_logo = '';
+    if(!empty(trim(get_option('rbkmoney_payment_form_company_name')))) {
+        $form_path_logo = 'data-logo="' . trim(get_option('rbkmoney_payment_form_path_logo')).'"';
+    }
+
+    $amount = number_format($purchase_log[0]['totalprice'], 2, '.', '');
+    $params = array(
+        'shop_id' => trim(get_option('rbkmoney_payment_shop_id')),
+        'currency' => $currency,
+        'product' => $purchase_log[0]['id'],
+        'description' => 'Order ID ' . $purchase_log[0]['id'],
+        'amount' => $amount,
+        'order_id' => $purchase_log[0]['id'],
+        'session_id' => $sessionid,
+        'merchant_private_key' => trim(get_option('rbkmoney_payment_private_key')),
+    );
+
+    try {
+        $rbk_api = new RBKmoneyPayment($params);
+        $invoice_id = $rbk_api->create_invoice();
+        $invoice_access_token = $rbk_api->create_access_token($invoice_id);
+    } catch (Exception $ex) {
+        echo $ex->getMessage();
+        exit();
+    }
+
+    $output = '<html><body><script src="https://checkout.rbk.money/payframe/payframe.js" class="rbkmoney-checkout"
+            data-invoice-id="' . $invoice_id . '"
+            data-invoice-access-token="' . $invoice_access_token . '"
+            data-endpoint-success="' . home_url('/?rbkmoney_payment_results') . '"
+            data-endpoint-failed="' . home_url('/?rbkmoney_payment_results') . '"
+            data-amount="' . $amount . '"
+            data-currency="' . $currency . '"
+            ' . $form_company_name . '
+            ' . $form_path_logo . '
+    >
+    </script></body></html>';
+
+    echo $output;
+    exit();
+}
+
+
+/**
+ * e.g. http{s}://{your-site}/?rbkmoney_payment_callback
+ */
+function nzshpcrt_rbkmoney_payment_callback()
+{
+    global $wpdb;
+
+    if (isset($_GET['rbkmoney_payment_callback'])) {
+
+        if(empty($_SERVER[RBKmoneyPayment::SIGNATURE])) {
+            http_response_code(RBKmoneyPayment::HTTP_CODE_BAD_REQUEST);
+            exit();
+        }
+
+        $content = file_get_contents('php://input');
+
+        $required_fields = ['invoice_id', 'payment_id', 'amount', 'currency', 'created_at', 'metadata', 'status', 'session_id'];
+        $data = json_decode($content, TRUE);
+        foreach ($required_fields as $field) {
+            if (empty($data[$field])) {
+                http_response_code(RBKmoneyPayment::HTTP_CODE_BAD_REQUEST);
+                exit();
+            }
+        }
+        if (empty($data[RBKmoneyPayment::METADATA][RBKmoneyPayment::ORDER_ID])) {
+            http_response_code(RBKmoneyPayment::HTTP_CODE_BAD_REQUEST);
+            exit();
+        }
+        if (!$signature = base64_decode($_SERVER[RBKmoneyPayment::SIGNATURE], TRUE)) {
+            http_response_code(RBKmoneyPayment::HTTP_CODE_BAD_REQUEST);
+            exit();
+        }
+
+        if (!RBKmoneyPaymentVerification::verification_signature($content, $signature, trim(get_option('rbkmoney_payment_callback_public_key')))) {
+            http_response_code(RBKmoneyPayment::HTTP_CODE_BAD_REQUEST);
+            exit();
+        }
+
+        $purchase_log_sql = $wpdb->prepare( "SELECT * FROM `".WPSC_TABLE_PURCHASE_LOGS."` WHERE `id`= %s AND `sessionid`= %s LIMIT 1",
+            $data[RBKmoneyPayment::METADATA][RBKmoneyPayment::ORDER_ID],
+            $data[RBKmoneyPayment::METADATA][RBKmoneyPayment::SESSION_ID]
+        );
+        $purchase_log = $wpdb->get_results($purchase_log_sql,ARRAY_A);
+        if(empty($purchase_log)) {
+            http_response_code(RBKmoneyPayment::HTTP_CODE_BAD_REQUEST);
+            exit();
+        }
+
+        $all_statuses = array(
+            '1' => 'pending',
+            '2'	=> 'completed',
+            '3' => 'ok',
+            '4' => 'processed',
+            '5'	=> 'closed',
+            '6' => 'rejected',
+        );
+
+        if($data[RBKmoneyPayment::STATUS] == 'paid') {
+            $details = array(
+                'processed'  => array_search('ok', $all_statuses),
+                'transactid' => $data[RBKmoneyPayment::INVOICE_ID],
+                'date'       => time(),
+            );
+            $session_id = $data[RBKmoneyPayment::METADATA][RBKmoneyPayment::SESSION_ID];
+            wpsc_update_purchase_log_details( $session_id, $details, 'sessionid' );
+            transaction_results($session_id, false, $data[RBKmoneyPayment::INVOICE_ID]);
+        }
+    }
+}
+
+/**
+ * e.g. http{s}://{your-site}/?rbkmoney_payment_results
+ */
+function nzshpcrt_rbkmoney_payment_results()
+{
+    if (isset($_GET['rbkmoney_payment_results'])) {
+        header('Location: ' . get_option('transact_url'), true, RBKmoneyPayment::HTTP_CODE_MOVED_PERMANENTLY);
+        exit;
+    }
+}
+
+/**
+ * To confirm that you have changed the fields in the admin panel
+ *
+ * @return bool
+ */
+function submit_rbkmoney_payment()
+{
+    $text_fields = array(
+        'rbkmoney_payment_shop_id',
+        'rbkmoney_payment_form_path_logo',
+        'rbkmoney_payment_form_company_name',
+        'rbkmoney_payment_logs',
+    );
+    _rbkmoney_payment_update_options($text_fields, 'text');
+
+    $textarea_fields = array(
+        'rbkmoney_payment_private_key',
+        'rbkmoney_payment_callback_public_key',
+    );
+    _rbkmoney_payment_update_options($textarea_fields, 'textarea');
+
+    return true;
+}
+
+/**
+ * Helper function for updating fields
+ *
+ * @param $fields array
+ * @param $type string
+ */
+function _rbkmoney_payment_update_options($fields, $type)
+{
+    foreach ($fields as $field) {
+        if (isset($_POST[$field])) {
+            if ($type == 'textarea') {
+                update_option($field, sanitize_textarea_field(trim($_POST[$field])));
+            } else if ($type == 'text') {
+                update_option($field, sanitize_text_field(trim($_POST[$field])));
+            }
+        }
+    }
+}
+
+/**
+ * Output fields in the admin panel
+ *
+ * @return string
+ */
+function form_rbkmoney_payment()
+{
+    $output = "
+		<tr>
+			<td>" . __('Shop ID', 'wp-e-commerce') . "</td>
+			<td>
+				<input type='text' size='60' value='" . trim(get_option('rbkmoney_payment_shop_id')) . "' name='rbkmoney_payment_shop_id' />
+				<p class='description'>
+					" . __('Number of the merchant\'s shop system RBKmoney', 'wp-e-commerce') . "
+				</p>
+			</td>
+		</tr>
+		<tr>
+			<td>" . __('Logo in payment form', 'wp-e-commerce') . "</td>
+			<td>
+				<input type='text' size='60' value='" . trim(get_option('rbkmoney_payment_form_path_logo')) . "' name='rbkmoney_payment_form_path_logo' />
+				<p class='description'>
+					" . __('Your logo for payment form', 'wp-e-commerce') . "
+				</p>
+		</tr>
+		<tr>
+			<td>" . __('Company name in payment form', 'wp-e-commerce') . "</td>
+			<td>
+				<input type='text' size='60' value='" . trim(get_option('rbkmoney_payment_form_company_name')) . "' name='rbkmoney_payment_form_company_name' />
+				<p class='description'>
+					" . __('Your company name for payment form', 'wp-e-commerce') . "
+				</p>
+		</tr>
+		<tr>
+			<td>" . __('Private key', 'wp-e-commerce') . "</td>
+			<td>
+			    <textarea rows='10' cols='45' name='rbkmoney_payment_private_key'>" . trim(get_option('rbkmoney_payment_private_key')) . "</textarea>
+				<p class='description'>
+					" . __('The private key in the system RBKmoney', 'wp-e-commerce') . "
+				</p>
+		</tr>
+		<tr>
+			<td>" . __('Callback public key', 'wp-e-commerce') . "</td>
+			<td>
+				 <textarea rows='10' cols='45' name='rbkmoney_payment_callback_public_key'>" . trim(get_option('rbkmoney_payment_callback_public_key')) . "</textarea>
+				<p class='description'>
+					" . __('Callback public key', 'wp-e-commerce') . "
+				</p>
+		</tr>
+		<tr>
+			<td>" . __('Notification URL', 'wp-e-commerce') . "</td>
+			<td>
+				<input type='text' size='60' value='" . home_url('/?rbkmoney_payment_callback') . "' name='rbkmoney_payment_notification_url' readonly />
+				<p class='description'>
+					" . __('This address is to be inserted in a private office RBKmoney', 'wp-e-commerce') . "
+				</p>
+		</tr>";
+
+    $selected = (get_option('rbkmoney_payment_logs') == 'on') ? 'checked="checked"' : '';
+    $output .= "<tr>
+			<td>" . __('Enable logs:', 'wp-e-commerce') . "</td>
+			<td>
+			    <input type='hidden' name='rbkmoney_payment_logs' value='off' />
+				<label for='rbkmoney_payment_logs'>
+				 <input type='checkbox' name='rbkmoney_payment_logs' id='rbkmoney_payment_logs' value='on' " . $selected . "' />
+				</label>
+				<p class='description'>
+					" . __('Enable logs?', 'wp-e-commerce') . "
+				</p>
+		</tr>
+		</tr>
+		   <tr>
+           <td colspan='2'>
+           	" . sprintf(__('For more help configuring RBKmoney, read our documentation <a href="%s">here</a>', 'wp-e-commerce'), esc_url('https://rbkmoney.github.io/docs/')) . "
+           </td>
+       </tr>";
+
+    return $output;
+}
+
+add_action('init', 'nzshpcrt_rbkmoney_payment_callback');
+add_action('init', 'nzshpcrt_rbkmoney_payment_results');
+
+?>

wp-e-commerce/wpsc-merchants/rbkmoney-payment/RBKmoneyPayment.php

@@ -0,0 +1,360 @@
+<?php
+
+
+class RBKmoneyPayment
+{
+    /**
+     * HTTP METHOD
+     */
+    const HTTP_METHOD_POST = 'POST';
+    const HTTP_METHOD_GET = 'GET';
+
+    /**
+     * HTTP CODE
+     */
+    const HTTP_CODE_OK = 200;
+    const HTTP_CODE_CREATED = 201;
+    const HTTP_CODE_MOVED_PERMANENTLY = 301;
+    const HTTP_CODE_BAD_REQUEST = 400;
+    const HTTP_CODE_INTERNAL_SERVER_ERROR = 500;
+
+    /**
+     * Create invoice settings
+     */
+    const CREATE_INVOICE_TEMPLATE_DUE_DATE = 'Y-m-d\TH:i:s\Z';
+    const CREATE_INVOICE_DUE_DATE = '+1 days';
+
+    /**
+     * Constants for Callback
+     */
+    const INVOICE_ID = 'invoice_id';
+    const PAYMENT_ID = 'payment_id';
+    const AMOUNT = 'amount';
+    const CURRENCY = 'currency';
+    const CREATED_AT = 'created_at';
+    const METADATA = 'metadata';
+    const STATUS = 'status';
+    const SIGNATURE = 'HTTP_X_SIGNATURE';
+    const ORDER_ID = 'order_id';
+    const SESSION_ID = 'session_id';
+
+    private $api_url = 'https://api.rbk.money/v1/';
+
+    private $merchant_private_key = '';
+    private $shop_id = '';
+    private $currency = '';
+    private $product = '';
+    private $description = '';
+    private $amount = 0;
+    private $order_id;
+    private $session_id;
+
+    protected $errors = array();
+
+    protected $requiredFields = array();
+
+    public function getApiUrl()
+    {
+        return $this->api_url;
+    }
+
+    public function setApiUrl($api_url)
+    {
+        if (filter_var($api_url, FILTER_VALIDATE_URL) === false) {
+            $this->setErrors($api_url . ' is not a valid URL');
+        }
+        $this->api_url = $api_url;
+    }
+
+    public function getMerchantPrivateKey()
+    {
+        return $this->merchant_private_key;
+    }
+
+    public function setMerchantPrivateKey($merchant_private_key)
+    {
+        $this->merchant_private_key = $merchant_private_key;
+    }
+
+    public function getShopId()
+    {
+        return $this->shop_id;
+    }
+
+    public function setShopId($shop_id)
+    {
+        $this->shop_id = $shop_id;
+    }
+
+    public function getCurrency()
+    {
+        return $this->currency;
+    }
+
+    public function setCurrency($currency)
+    {
+        $this->currency = $currency;
+    }
+
+    public function getProduct()
+    {
+        return $this->product;
+    }
+
+    public function setProduct($product)
+    {
+        $this->product = $product;
+    }
+
+    public function getDescription()
+    {
+        return $this->description;
+    }
+
+    public function setDescription($description)
+    {
+        $this->description = $description;
+    }
+
+    public function getAmount()
+    {
+        return $this->amount;
+    }
+
+    public function setAmount($amount)
+    {
+        if (!is_numeric($amount)) {
+            throw new Exception($amount . ' no a numeric');
+        }
+        $this->amount = $amount;
+    }
+
+    public function getOrderId()
+    {
+        return $this->order_id;
+    }
+
+    public function setOrderId($order_id)
+    {
+        $this->order_id = $order_id;
+    }
+
+    public function getSessionId()
+    {
+        return $this->session_id;
+    }
+
+    public function setSessionId($session_id)
+    {
+        $this->session_id = $session_id;
+    }
+
+    private function getErrors()
+    {
+        return $this->errors;
+    }
+
+    private function setErrors($errors)
+    {
+        $this->errors[] = $errors;
+    }
+
+    private function clearErrors()
+    {
+        $this->errors = array();
+    }
+
+    public function getRequiredFields()
+    {
+        return $this->requiredFields;
+    }
+
+    public function setRequiredFields($requiredFields)
+    {
+        if (!is_array($requiredFields) || empty($requiredFields)) {
+            $this->setErrors('Отсутствуют обязательные поля');
+        }
+        $this->requiredFields = $requiredFields;
+    }
+
+    public function __construct(array $params = array())
+    {
+        if (!empty($params)) {
+            $this->bind($params);
+        }
+    }
+
+    private function toUpper($pockets)
+    {
+        return ucfirst(str_replace(['_', '-'], '', $pockets[1]));
+    }
+
+    private function getMethodName($name, $prefix = 'get')
+    {
+        $key = preg_replace_callback('{([_|-]\w)}s', array(__CLASS__, 'toUpper'), $name);
+        return $prefix . ucfirst($key);
+    }
+
+    private function bind(array $params)
+    {
+        foreach ($params as $name => $value) {
+            $method = $this->getMethodName($name, 'set');
+            if (!empty($value) && method_exists($this, $method)) {
+                $this->$method($value);
+            }
+        }
+    }
+
+    private function checkRequiredFields()
+    {
+        $required_fields = $this->getRequiredFields();
+        foreach ($required_fields as $field) {
+            $method = $this->getMethodName($field);
+            if (method_exists($this, $method)) {
+                $value = $this->$method();
+                if (empty($value)) $this->setErrors('<b>' . $field . '</b> is required');
+            } else {
+                $this->setErrors($field . ' method not found');
+            }
+        }
+    }
+
+    private function prepare_due_date()
+    {
+        date_default_timezone_set('UTC');
+        return date(static::CREATE_INVOICE_TEMPLATE_DUE_DATE, strtotime(static::CREATE_INVOICE_DUE_DATE));
+    }
+
+    private function prepare_metadata($order_id, $session_id)
+    {
+        return [
+            'cms' => 'wordpress',
+            'module' => 'wp-e-commerce',
+            'plugin' => 'rbkmoney_payment',
+            'order_id' => $order_id,
+            'session_id' => $session_id,
+        ];
+    }
+
+    /**
+     * Prepare amount (e.g. 124.24 -> 12424)
+     *
+     * @param $amount int
+     * @return int
+     */
+    private function prepare_amount($amount)
+    {
+        return $amount * 100;
+    }
+
+    private function prepare_api_url($path = '', $query_params = [])
+    {
+        $url = rtrim($this->api_url, '/') . '/' . $path;
+        if (!empty($query_params)) {
+            $url .= '?' . http_build_query($query_params);
+        }
+        return $url;
+    }
+
+    public function create_invoice()
+    {
+        $this->setRequiredFields([
+            'merchant_private_key',
+            'shop_id',
+            'amount',
+            'order_id',
+            'session_id',
+            'currency',
+            'product',
+            'description',
+        ]);
+
+        $headers = [];
+        $headers[] = 'X-Request-ID: ' . uniqid();
+        $headers[] = 'Authorization: Bearer ' . $this->merchant_private_key;
+        $headers[] = 'Content-type: application/json; charset=utf-8';
+        $headers[] = 'Accept: application/json';
+
+        $data = [
+            'shopID' => (int)$this->shop_id,
+            'amount' => $this->prepare_amount($this->amount),
+            'metadata' => $this->prepare_metadata($this->order_id, $this->session_id),
+            'dueDate' => $this->prepare_due_date(),
+            'currency' => $this->currency,
+            'product' => $this->product,
+            'description' => $this->description,
+        ];
+        $this->validate();
+        $url = $this->prepare_api_url('processing/invoices');
+        $response =  $this->send($url, static::HTTP_METHOD_POST, $headers, json_encode($data, true));
+
+        $response_decode = json_decode($response['body'], true);
+        $invoice_id = !empty($response_decode['id']) ? $response_decode['id'] : '';
+        return $invoice_id;
+    }
+
+    public function create_access_token($invoice_id)
+    {
+        if (empty($invoice_id)) {
+            throw new Exception('Не передан обязательный параметр invoice_id');
+        }
+        $headers = [];
+        $headers[] = 'X-Request-ID: ' . uniqid();
+        $headers[] = 'Authorization: Bearer ' . $this->merchant_private_key;
+        $headers[] = 'Content-type: application/json; charset=utf-8';
+        $headers[] = 'Accept: application/json';
+
+        $url = $this->prepare_api_url('processing/invoices/' . $invoice_id . '/access_tokens');
+        $response = $this->send($url, static::HTTP_METHOD_POST, $headers);
+
+        if ($response['http_code'] != static::HTTP_CODE_CREATED) {
+            throw new Exception('Возникла ошибка при создании токена для инвойса');
+        }
+        $response_decode = json_decode($response['body'], true);
+        $access_token = !empty($response_decode['payload']) ? $response_decode['payload'] : '';
+        return $access_token;
+    }
+
+    private function send($url, $method, $headers = [], $data = '')
+    {
+        if (empty($url)) {
+            throw new Exception('Не передан обязательный параметр url');
+        }
+
+        $allowed_methods = [static::HTTP_METHOD_POST, static::HTTP_METHOD_GET];
+        if (!in_array($method, $allowed_methods)) {
+            throw new Exception('Unsupported method ' . $method);
+        }
+
+        $curl = curl_init($url);
+        if ($method == static::HTTP_METHOD_POST) {
+            curl_setopt($curl, CURLOPT_POST, TRUE);
+            curl_setopt($curl, CURLOPT_POSTFIELDS, $data);
+        }
+        curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, FALSE);
+        curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE);
+        curl_setopt($curl, CURLOPT_RETURNTRANSFER, TRUE);
+        curl_setopt($curl, CURLOPT_HTTPHEADER, $headers);
+
+        $body = curl_exec($curl);
+        $info = curl_getinfo($curl);
+        $curl_errno = curl_errno($curl);
+
+        $response['http_code'] = $info['http_code'];
+        $response['body'] = $body;
+        $response['error'] = $curl_errno;
+
+        curl_close($curl);
+        return $response;
+    }
+
+    private function validate()
+    {
+        $this->checkRequiredFields();
+        if (count($this->getErrors()) > 0) {
+            $errors = 'Errors found: ' . implode(', ', $this->getErrors());
+            throw new Exception($errors);
+        }
+        $this->clearErrors();
+    }
+}

wp-e-commerce/wpsc-merchants/rbkmoney-payment/RBKmoneyPaymentVerification.php

@@ -0,0 +1,25 @@
+<?php
+
+
+class RBKmoneyPaymentVerification
+{
+    /**
+     * Openssl verify
+     */
+    const OPENSSL_VERIFY_SIGNATURE_IS_CORRECT = 1;
+    const OPENSSL_VERIFY_SIGNATURE_IS_INCORRECT = 0;
+    const OPENSSL_VERIFY_ERROR = -1;
+    public static function verification_signature($data = '', $signature = '', $public_key = '')
+    {
+        if (empty($data) || empty($signature) || empty($public_key)) {
+            return FALSE;
+        }
+        $public_key_id = openssl_get_publickey($public_key);
+        if (empty($public_key_id)) {
+            return FALSE;
+        }
+        $verify = openssl_verify($data, $signature, $public_key_id, OPENSSL_ALGO_SHA256);
+        return ($verify == static::OPENSSL_VERIFY_SIGNATURE_IS_CORRECT);
+    }
+
+}