OpenCart 🇺🇦

$this->language->load('payment/klarna_account');

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

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

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

	foreach ($this->request->post['klarna_account'] as $klarna_account) {
		if ($klarna_account['status']) {
			$status = true;

			break;
		}
	}			

	$data = array(
		'klarna_account_pclasses' => $this->pclasses,
		'klarna_account_status'   => $status
	);

	$this->model_setting_setting->editSetting('klarna_account', array_merge($this->request->post, $data));

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

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

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

$this->data['text_enabled'] = $this->language->get('text_enabled');
$this->data['text_disabled'] = $this->language->get('text_disabled');
$this->data['text_all_zones'] = $this->language->get('text_all_zones');
$this->data['text_live'] = $this->language->get('text_live');
$this->data['text_beta'] = $this->language->get('text_beta');
$this->data['text_sweden'] = $this->language->get('text_sweden');
$this->data['text_norway'] = $this->language->get('text_norway');
$this->data['text_finland'] = $this->language->get('text_finland');
$this->data['text_denmark'] = $this->language->get('text_denmark');
$this->data['text_germany'] = $this->language->get('text_germany');
$this->data['text_netherlands'] = $this->language->get('text_netherlands');

$this->data['entry_merchant'] = $this->language->get('entry_merchant');
$this->data['entry_secret'] = $this->language->get('entry_secret');
$this->data['entry_server'] = $this->language->get('entry_server');
$this->data['entry_total'] = $this->language->get('entry_total');	
$this->data['entry_pending_status'] = $this->language->get('entry_pending_status');
$this->data['entry_accepted_status'] = $this->language->get('entry_accepted_status');		
$this->data['entry_geo_zone'] = $this->language->get('entry_geo_zone');
$this->data['entry_status'] = $this->language->get('entry_status');
$this->data['entry_sort_order'] = $this->language->get('entry_sort_order');

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

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

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

$this->data['breadcrumbs'] = array();

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

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

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

if (isset($this->session->data['success'])) {
	$this->data['success'] = $this->session->data['success'];

	unset($this->session->data['success']);
} else {
	$this->data['success'] = '';
}

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

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

$this->data['countries'] = array();

$this->data['countries'][] = array(
	'name' => $this->language->get('text_germany'),
	'code' => 'DEU'
);

$this->data['countries'][] = array(
	'name' => $this->language->get('text_netherlands'),
	'code' => 'NLD'
);

$this->data['countries'][] = array(
	'name' => $this->language->get('text_denmark'),
	'code' => 'DNK'
);

$this->data['countries'][] = array(
	'name' => $this->language->get('text_sweden'),
	'code' => 'SWE'
);

$this->data['countries'][] = array(
	'name' => $this->language->get('text_norway'),
	'code' => 'NOR'
);

$this->data['countries'][] = array(
	'name' => $this->language->get('text_finland'),
	'code' => 'FIN'
);

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

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

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

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

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

$file = DIR_LOGS . 'klarna_account.log';

if (file_exists($file)) {
	$this->data['log'] = file_get_contents($file, FILE_USE_INCLUDE_PATH, null);
} else {
	$this->data['log'] = '';
}

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

$this->template = 'payment/klarna_account.tpl';
$this->children = array(
	'common/header',
	'common/footer',
);

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

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

$log = new Log('klarna_account.log');

$country = array(    
	'NOR' => array(
		'currency' => 1,
		'country'  => 164,
		'language' => 97,
	),
	'SWE' => array(
		'currency' => 0,
		'country'  => 209,
		'language' => 138,
	),
	'FIN' => array(
		'currency' => 2,
		'country'  => 73,
		'language' => 101,
	),
	'DNK' => array(
		'currency' => 3,
		'country'  => 59,
		'language' => 27,
	),
	'DEU' => array(
		'currency' => 2,
		'country'  => 81,
		'language' => 28,
	),
	'NLD' => array(
		'currency' => 2,
		'country'  => 154,
		'language' => 101,
	),
);

foreach ($this->request->post['klarna_account'] as $key => $klarna_account) {
	if ($klarna_account['status']) {
		$digest = base64_encode(pack("H*", hash('sha256', $klarna_account['merchant']  . ':' . $country[$key]['currency'] . ':' . $klarna_account['secret'])));

		$xml  = '<methodCall>';
		$xml .= '  <methodName>get_pclasses</methodName>';
		$xml .= '  <params>';
		$xml .= '    <param><value><string>4.1</string></value></param>';
		$xml .= '    <param><value><string>API:OPENCART:' . VERSION . '</string></value></param>';
		$xml .= '    <param><value><int>' . (int)$klarna_account['merchant'] . '</int></value></param>';
		$xml .= '    <param><value><int>' . $country[$key]['currency'] . '</int></value></param>';
		$xml .= '    <param><value><string>' . $digest . '</string></value></param>';
		$xml .= '    <param><value><int>' . $country[$key]['country'] . '</int></value></param>';
		$xml .= '    <param><value><int>' . $country[$key]['language'] . '</int></value></param>';
		$xml .= '  </params>';
		$xml .= '</methodCall>';

		if ($klarna_account['server'] == 'live') {
			$url = 'https://payment.klarna.com';
		} else {
			$url = 'https://payment.testdrive.klarna.com';
		}

		$curl = curl_init();

		$header  = 'Content-Type: text/xml' . "\n";
		$header .= 'Content-Length: ' . strlen($xml) . "\n";

		curl_setopt($curl, CURLOPT_URL, $url);
		curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
		curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, 2);
		curl_setopt($curl, CURLOPT_CUSTOMREQUEST, 'POST');
		curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
		curl_setopt($curl, CURLOPT_HEADER, $header);
		curl_setopt($curl, CURLOPT_POSTFIELDS, $xml);

		$response = curl_exec($curl);

		if ($response !== false) {
			$xml = new DOMDocument();
			$xml->loadXML($response);

			$xpath = new DOMXPath($xml);

			$nodes = $xpath->query('//methodResponse/params/param/value');

			if ($nodes->length == 0) {
				$this->error['warning'] = $this->language->get('error_log');

				$error_code = $xpath->query('//methodResponse/fault/value/struct/member/value/int')->item(0)->nodeValue;
				$error_message = $xpath->query('//methodResponse/fault/value/struct/member/value/string')->item(0)->nodeValue;

				$log->write(sprintf($this->language->get('error_pclass'), $key, $error_code, $error_message));

				continue;
			}

			$pclasses = $this->parseResponse($nodes->item(0)->firstChild, $xml);

			while ($pclasses) {
				$pclass = array_slice($pclasses, 0, 10);
				$pclasses = array_slice($pclasses, 10);

				$pclass[3] /= 100;
				$pclass[4] /= 100;
				$pclass[5] /= 100;
				$pclass[6] /= 100;
				$pclass[9] = ($pclass[9] != '-') ? strtotime($pclass[9]) : $pclass[9];

				array_unshift($pclass, $klarna_account['merchant']);

				$this->pclasses[$key][] = array(
					'eid'          => intval($pclass[0]),
					'id'           => intval($pclass[1]),
					'description'  => $pclass[2],
					'months'       => intval($pclass[3]),
					'startfee'     => floatval($pclass[4]),
					'invoicefee'   => floatval($pclass[5]),
					'interestrate' => floatval($pclass[6]),
					'minamount'    => floatval($pclass[7]),
					'country'      => intval($pclass[8]),
					'type'         => intval($pclass[9]),
				);
			}
		} else {
			$this->error['warning'] = $this->language->get('error_log');

			$log->write(sprintf($this->language->get('error_curl'), curl_errno($curl), curl_error($curl)));
		}

		curl_close($curl);
	}
}

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

$child = $node;

switch ($child->nodeName) {
	case 'string':
		$value = $child->nodeValue;
		break;
	case 'boolean':
		$value = (string)$child->nodeValue;

		if ($value == '0') {
			$value = false;
		} elseif ($value == '1') {
			$value = true;
		} else {
			$value = null;
		}

		break;
	case 'integer':
	case 'int':
	case 'i4':
	case 'i8':
		$value = (int)$child->nodeValue;
		break;
	case 'array':
		$value = array();

		$xpath = new DOMXPath($document);
		$entries = $xpath->query('.//array/data/value', $child);

		for ($i = 0; $i < $entries->length; $i++) {
			$value[] = $this->parseResponse($entries->item($i)->firstChild, $document);
		}

		break;
	default:
		$value = null;
}

return $value;

$this->language->load('payment/klarna_account');

$file = DIR_LOGS . 'klarna_account.log';

$handle = fopen($file, 'w+'); 

fclose($handle); 		

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

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