1. <?php
2. class NeBankController extends Controller {
3.     public function index() {
4.         $this->load->model('users');
5.         $this->load->model('invoices');
6.         $this->load->model('waste');
7.  
8.         if($this->request->server['REQUEST_METHOD'] != 'POST') return 'Incorrect method';
9.  
10.         $post = json_decode(file_get_contents('php://input'), true);
11.  
12.         $id = $post['id'];
13.         $pay_id = $post['pay_id'];
14.         $invoice_id = $post['invoice_id'];
15.         $shop_id = $post['shop_id'];
16.         $description = $post['description'];
17.         $amount = $post['amount'];
18.         $signature = $post['signature'];
19.  
20.         if($shop_id != $this->config->nb_id) return 'IncorrectShopId';
21.  
22.         $invoice = $this->invoicesModel->getInvoiceById($invoice_id);
23.         if(!$invoice) return 'NoInvoice';
24.  
25.         if($invoice['system'] != 'nebank') return 'NotNebankPay';
26.  
27.         $key1 = $this->config->nb_key1;
28.         $key2 = $this->config->nb_key2;
29.  
30.         $sign1 = md5("$shop_id:$invoice_id:$amount:card_cis:$key1");
31.         $sign2 = md5("$key2:$id:$sign1");
32.  
33.         if($sign2 != $signature) {
34.             $sign3 = md5("$shop_id:$invoice_id:$amount:card_nocis:$key1");
35.             $sign4 = md5("$key2:$id:$sign3");
36.  
37.             if($sign4 != $signature) return 'IncorrectSign';
38.         }
39.  
40.         $user_id = $invoice['user_id'];
41.         $user = $this->usersModel->getUserById($user_id);
42.         if(!$user) return 'NoUser';
43.  
44.         $total_amount = round($amount / 100, 2);
45.  
46.         if($total_amount > 50) $this->usersModel->updateUser($user_id, $userData = array('user_promised_pay' => 0));
47.  
48.         $wasteData = array(
49.             'user_id'        => $user_id,
50.             'waste_ammount'    => $total_amount,
51.             'waste_status'    => 0,
52.             'waste_usluga'    => 'Пополнение баланса пользователя через систему NeBank Pay',
53.         );
54.  
55.         $this->wasteModel->createWaste($wasteData);
56.  
57.         $this->usersModel->upUserBalance($user_id, $total_amount);
58.  
59.         $bonus_percent = $this->config->bonus_percent;
60.         $getbonus = ($total_amount * (1 + $bonus_percent / 100)) - $total_amount;
61.         $this->usersModel->upUserBonuses($user_id, $getbonus);
62.  
63.         $this->invoicesModel->updateInvoice($invoice_id, array('invoice_status' => 1));
64.  
65.         return 'OK';
66.     }
67. }
68. ?>

public function nebank() {
    if(!$this->user->isLogged()) {  
          $this->data['status'] = 'error';
        $this->data['error'] = 'Вы не авторизированы!';
        return json_encode($this->data);
    }
    if($this->user->getAccessLevel() < 1) {
          $this->data['status'] = 'error';
        $this->data['error'] = 'У вас нет доступа к данному разделу!';
        return json_encode($this->data);
    }
    
    $this->load->model('invoices');
    if($this->request->server['REQUEST_METHOD'] != 'POST') {
        $this->data['status'] = 'error';
        $this->data['error'] = 'Запрос должен быть отправлен методом POST';
        return json_encode($this->data);
    }
    $amount = @$this->request->post['ammount'];
    
    $shop_id = $this->config->nb_id;
    $key1 = $this->config->nb_key1;
    $key2 = $this->config->nb_key2;
    $minor_amount = $amount * 100;
    
    $user_id = $this->user->getId();
    $invoiceData = array(
        'user_id' => $user_id,
        'invoice_ammount' => $amount,
        'invoice_status' => 0,
        'system' => 'nebank'
    );
    $invoice_id = $this->invoicesModel->createInvoice($invoiceData);
    $method = $this->request->post['method'];
    $methods = ['card_cis', 'card_nocis'];
    if(!in_array($method, $methods)) return 'IncorrectMethod';
    $signature = md5("$shop_id:$invoice_id:$minor_amount:$method:$key1");
    $body = json_encode([
        'shop_id' => $shop_id,
        'invoice_id' => $invoice_id,
        'description' => 'Пополнение баланса хостинг-аккаунта #'.$user_id,
        'amount' => $minor_amount,
        'method' => $method,
        'signature' => $signature
    ]);
    $curl = curl_init('https://api.nebank.co/payments');
    curl_setopt($curl, CURLOPT_HEADER, false);
    curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($curl, CURLOPT_HTTPHEADER, ['Content-type: application/json']);
    curl_setopt($curl, CURLOPT_POST, true);
    curl_setopt($curl, CURLOPT_POSTFIELDS, $body);
    $response = curl_exec($curl);
    curl_close($curl);
    $decoded = json_decode($response);
    if(!$decoded || !$decoded->success) {
        $this->data['status'] = 'error';
        $this->data['error'] = 'Не удалось создать платёж в системе NeBank. Если вы выбрали иностранные карты, то убедитесь, что сумма пополнения больше 100 рублей.';
        $this->invoicesModel->deleteInvoice($invoice_id);
        return json_encode($this->data);
    }
    return $decoded->pay_id;
}

<div class="modal fade" id="nebank_modal" tabindex="-1" role="dialog" aria-hidden="true">
    <div class="modal-dialog" role="document">
        <div class="modal-content">
            <div class="modal-header">
                <h5 class="modal-title" id="exampleModalLabel">Пополнение баланса</h5>
                <button type="button" class="close" data-dismiss="modal" aria-label="Close">
                <i aria-hidden="true" class="ki ki-close"></i>
                </button>
            </div>
            <form id="nebank" method="POST" class="form_0" style="padding:0px; margin:0px;">
                <div class="modal-body">
                    <div class="form-group">
                        <label>Введите сумму</label>
                        <input class="form-control" id="ammount" name="ammount" placeholder="100">
                    </div>
                    <div class="form-group">
                        <label>Выберите метод</label>
                        <select class="form-control" name="method">
                            <option value="card_cis">Российская банковская карта</option>
                            <option value="card_nocis">Иностранная банковская карта (мин. 100 рублей)</option>
                        </select>
                    </div>
                </div>
                <div class="modal-footer">
                    <button type="button" class="btn btn-light-primary font-weight-bold" data-dismiss="modal">Отмена</button>
                    <button type="submit" class="btn btn-primary font-weight-bold">Пополнить</button>
                </div>
            </form>
        </div>
    </div>
</div>

<script src="https://pay.nebank.co/widget.js?v12"></script> 
<script>
    $('#nebank').ajaxForm({ 
        url: '/account/pay/nebank',
        dataType: 'text',
        success: data => {
            if(data[0] !== '{') {
                $('#nebank_modal').modal('hide');
                document.querySelector('.header').style.zIndex = 0;
                NeBank.widget({ payId: data });
            } else {
                data = $.parseJSON(data);
                toastr.error(data.error);
                $('button[type=submit]').prop('disabled', false);
            }
        },
        beforeSubmit: function(arr, $form, options) {
            $('button[type=submit]').prop('disabled', true);
        }
    });
</script>

<div class="col-lg-4">
    <div class="card card-custom gutter-b">
        <div class="card-body">
            <center><img src="https://nebank.co/assets/logo.svg" style="max-width:100%;height:65px;" alt=""></center>
        </div>
        <div class="card-footer">
            <button data-toggle="modal" data-target="#nebank_modal" class="btn btn-primary btn-lg btn-block">Пополнить</button>
        </div>
    </div>
</div>