opencart

    class ControllerPaymentIcicipg extends Controller {
        private $error = array();

        public function index() {
            $this->language->load('payment/icicipg');

            $this->document->setTitle($this->language->get('heading_title'));

            $this->load->model('setting/setting');

            if (($this->request->server['REQUEST_METHOD'] == 'POST') && $this->validate()) {

                $this->model_setting_setting->editSetting('icicipg', $this->request->post);

                $this->session->data['success'] = $this->language->get('text_success');

                $this->redirect($this->url->link('extension/payment', 'token=' . $this->session->data['token'], 'SSL'));
            }

            $data['heading_title'] = $this->language->get('heading_title');

            $data['text_enabled'] = $this->language->get('text_enabled');
            $data['text_disabled'] = $this->language->get('text_disabled');
            $data['text_all_zones'] = $this->language->get('text_all_zones');
            $data['text_yes'] = $this->language->get('text_yes');
            $data['text_no'] = $this->language->get('text_no');
            $data['text_edit'] = $this->language->get('text_edit');

            $data['entry_MID'] = $this->language->get('entry_MID');
            $data['entry_total'] = $this->language->get('entry_total');
            $data['entry_success_status'] = $this->language->get('entry_success_status');
            $data['entry_pending_status'] = $this->language->get('entry_pending_status');
            $data['entry_failed_status'] = $this->language->get('entry_failed_status');
            $data['entry_RedirectURL'] = $this->language->get('entry_RedirectURL');
            $data['entry_keyfile'] = $this->language->get('entry_keyfile');
            $data['entry_geo_zone'] = $this->language->get('entry_geo_zone');
            $data['entry_status'] = $this->language->get('entry_status');
            $data['entry_sort_order'] = $this->language->get('entry_sort_order');
            //$data['entry_order_prefix'] = $this->language->get('entry_order_prefix');
            $data['entry_tts'] = $this->language->get('entry_tts');


            $data['help_tts'] = $this->language->get('help_tts');
            $data['help_total'] = $this->language->get('help_total');
            $data['help_RedirectURL'] = $this->language->get('help_RedirectURL');

            $data['button_save'] = $this->language->get('button_save');
            $data['button_cancel'] = $this->language->get('button_cancel');

            if (isset($this->error['warning'])) {
                $data['error_warning'] = $this->error['warning'];
            } else {
                $data['error_warning'] = '';
            }

            if (isset($this->error['MID'])) {
                $data['error_MID'] = $this->error['MID'];
            } else {
                $data['error_MID'] = '';
            }

            if (isset($this->error['RedirectURL'])) {
                $data['error_RedirectURL'] = $this->error['RedirectURL'];
            } else {
                $data['error_RedirectURL'] = '';
            }

            if (isset($this->error['keyfile'])) {
                $data['error_keyfile'] = $this->error['keyfile'];
            } else {
                $data['error_keyfile'] = '';
            }

            /*if (isset($this->error['order_prefix'])) {
                $data['error_order_prefix'] = $this->error['order_prefix'];
            } else {
                $data['error_order_prefix'] = '';
            }*/

            if (isset($this->error['tts'])) {
                $data['error_tts'] = $this->error['tts'];
            } else {
                $data['error_tts'] = '';
            }

            $data['breadcrumbs'] = array();

            $data['breadcrumbs'][] = array(
                'text'      => $this->language->get('text_home'),
                'href'      => $this->url->link('common/home', 'token=' . $this->session->data['token'], 'SSL'),
                'separator' => false
            );

            $data['breadcrumbs'][] = array(
                'text'      => $this->language->get('text_payment'),
                'href'      => $this->url->link('extension/payment', 'token=' . $this->session->data['token'], 'SSL'),
                'separator' => ' :: '
            );

            $data['breadcrumbs'][] = array(
                'text'      => $this->language->get('heading_title'),
                'href'      => $this->url->link('payment/icicipg', 'token=' . $this->session->data['token'], 'SSL'),
                'separator' => ' :: '
            );

            $data['action'] = $this->url->link('payment/icicipg', 'token=' . $this->session->data['token'], 'SSL');

            $data['cancel'] = $this->url->link('extension/payment', 'token=' . $this->session->data['token'], 'SSL');

            if (isset($this->request->post['icicipg_MID'])) {
                $data['icicipg_MID'] = $this->request->post['icicipg_MID'];
            } else {
                $data['icicipg_MID'] = $this->config->get('icicipg_MID');
            }

            /*if (isset($this->request->post['cc_RedirectURL'])) {
                $data['cc_RedirectURL'] = $this->request->post['cc_RedirectURL'];
            } else {
                $data['cc_RedirectURL'] = $this->config->get('cc_RedirectURL');
            }*/

            $data['icicipg_RedirectURL'] = HTTP_CATALOG . 'index.php?route=payment/icicipg/callback';

            /*if (isset($this->request->post['icicipg_Wkey'])) {
                $data['icicipg_Wkey'] = $this->request->post['icicipg_Wkey'];
            } else {
                $data['icicipg_Wkey'] = $this->config->get('icicipg_Wkey');
            }*/

            if (isset($this->request->post['icicipg_total'])) {
                $data['icicipg_total'] = $this->request->post['icicipg_total'];
            } else {
                $data['icicipg_total'] = $this->config->get('icicipg_total');
            }

            if (isset($this->request->post['icicipg_success_status_id'])) {
                $data['icicipg_success_status_id'] = $this->request->post['icicipg_success_status_id'];
            } else {
                $data['icicipg_success_status_id'] = $this->config->get('icicipg_success_status_id');
            }

            if (isset($this->request->post['icicipg_failed_status_id'])) {
                $data['icicipg_failed_status_id'] = $this->request->post['icicipg_failed_status_id'];
            } else {
                $data['icicipg_failed_status_id'] = $this->config->get('icicipg_failed_status_id');
            }

            $this->load->model('localisation/order_status');

            $data['order_statuses'] = $this->model_localisation_order_status->getOrderStatuses();

            if (isset($this->request->post['icicipg_geo_zone_id'])) {
                $data['icicipg_geo_zone_id'] = $this->request->post['icicipg_geo_zone_id'];
            } else {
                $data['icicipg_geo_zone_id'] = $this->config->get('icicipg_geo_zone_id');
            }

            $this->load->model('localisation/geo_zone');

            $data['geo_zones'] = $this->model_localisation_geo_zone->getGeoZones();

            if (isset($this->request->post['icicipg_status'])) {
                $data['icicipg_status'] = $this->request->post['icicipg_status'];
            } else {
                $data['icicipg_status'] = $this->config->get('icicipg_status');
            }

            if (isset($this->request->post['icicipg_sort_order'])) {
                $data['icicipg_sort_order'] = $this->request->post['icicipg_sort_order'];
            } else {
                $data['icicipg_sort_order'] = $this->config->get('icicipg_sort_order');
            }

            /*if (isset($this->request->post['icicipg_order_prefix'])) {
                $data['icicipg_order_prefix'] = $this->request->post['icicipg_order_prefix'];
            } else {
                $data['icicipg_order_prefix'] = $this->config->get('icicipg_order_prefix');
            }*/

            if (isset($this->request->post['icicipg_tts'])) {
                $data['icicipg_tts'] = $this->request->post['icicipg_tts'];
            } else {
                $data['icicipg_tts'] = $this->config->get('icicipg_tts');
            }


            $data['header'] = $this->load->controller('common/header');
            $data['column_left'] = $this->load->controller('common/column_left');
            $data['footer'] = $this->load->controller('common/footer');


            //$this->response->setOutput($this->render());

            $this->response->setOutput($this->load->view('payment/icicipg.tpl', $data));
        }

        private function validate() {
            if (!$this->user->hasPermission('modify', 'payment/icicipg')) {
                $this->error['warning'] = $this->language->get('error_permission');
            }

            if (!$this->request->post['icicipg_MID']) {
                $this->error['MID'] = $this->language->get('error_MID');
            }

            if (!$this->request->post['icicipg_RedirectURL']) {
                $this->error['RedirectURL'] = $this->language->get('error_RedirectURL');
            }

            /*if (!$this->request->post['icicipg_order_prefix'] || strlen($this->request->post['icicipg_order_prefix'])!=2 ) {
                $this->error['order_prefix'] = $this->language->get('error_order_prefix');
            }*/

            if (!$this->request->post['icicipg_tts']) {
                $this->error['tts'] = $this->language->get('error_tts');
            }

            if ((isset( $this->request->files['upload'] )) && (is_uploaded_file($this->request->files['upload']['tmp_name']))) {
                //$file = $this->request->files['upload']['tmp_name'];
                if($this->request->files['upload']['name']==$this->request->post['icicipg_MID'] . '.key'){
                    move_uploaded_file($this->request->files['upload']['tmp_name'], substr(DIR_SYSTEM,0,strlen(DIR_SYSTEM)-7) . 'Sfa/' . $this->request->post['icicipg_MID'] . '.key');
                } else {
                    $this->error['keyfile'] = $this->language->get('error_keyfile2');
                }
                //$file = substr(DIR_SYSTEM,0,strlen(DIR_SYSTEM)-7) . 'Sfa/' . $this->request->post['icicipg_MID'] . '.key';
            } else {
                if (!file_exists(substr(DIR_SYSTEM,0,strlen(DIR_SYSTEM)-7) . 'Sfa/' . $this->request->post['icicipg_MID'] . '.key')) {
                    $this->error['keyfile'] = $this->language->get('error_keyfile');
                }
            }
            /*

                $this->error['keyfile'] = $this->language->get('error_keyfile');
            }*/

            if (!$this->error) {
                return true;
            } else {
                return false;
            }
        }
    }