*/
class LiqPay
{
protected $_supportedCurrencies = array('EUR','UAH','USD','RUB','RUR');
protected $_supportedParams = array('public_key','amount','currency','description',
'order_id','result_url','server_url','type',
'signature','language','sandbox');
private $_public_key;
private $_private_key;
/**
* Constructor.
*
* @param string $public_key
* @param string $private_key
*/
public function __construct()
{
$public_key = 'i97687297403';
$private_key = 'cyldb7BRxvcfZkP5OKmsLFflkRtq1rAjC9dhMzuL';
if (empty($public_key)) {
throw new Exception('public_key is empty');
}
if (empty($private_key)) {
throw new Exception('private_key is empty');
}
$this->_public_key = $public_key;
$this->_private_key = $private_key;
}
/**
* Call API
*
* @param string $url
* @param array $params
*
* @return string
*/
public function api($url, $params = array())
{
$url = 'https://www.liqpay.com/api/'.$url;
$public_key = $this->_public_key;
$private_key = $this->_private_key;
$data = json_encode(array_merge(compact('public_key'), $params));
$signature = base64_encode(sha1($private_key.$data.$private_key, 1));
$postfields = "data={$data}&signature={$signature}";
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS,$postfields);
curl_setopt($ch, CURLOPT_RETURNTRANSFER,1);
$server_output = curl_exec($ch);
curl_close($ch);
return json_decode($server_output);
}
/**
* cnb_form
*
* @param array $params
*
* @return string
*/
public function cnb_form($params)
{
$public_key = $params['public_key'] = $this->_public_key;
$private_key = $this->_private_key;
if (!isset($params['amount'])) {
throw new Exception('Amount is null');
}
if (!isset($params['currency'])) {
throw new Exception('Currency is null');
}
if (!in_array($params['currency'], $this->_supportedCurrencies)) {
throw new Exception('Currency is not supported');
}
if ($params['currency'] == 'RUR') {
$params['currency'] = 'RUB';
}
if (!isset($params['description'])) {
throw new Exception('Description is null');
}
$params['signature'] = $this->cnb_signature($params);
$language = 'ru';
if (isset($params['language']) && $params['language'] == 'en') {
$language = 'en';
}
$inputs = array();
foreach ($params as $key => $value) {
if (!in_array($key, $this->_supportedParams)) {
continue;
}
$inputs[] = sprintf('', $key, $value);
}
return sprintf('
',
join("\r\n", $inputs),
$language
);
}
/**
* cnb_signature
*
* @param array $params
*
* @return string
*/
public function cnb_signature($params)
{
$public_key = $params['public_key'] = $this->_public_key;
$private_key = $this->_private_key;
if ($params['currency'] == 'RUR') {
$params['currency'] = 'RUB';
}
$amount = $params['amount'];
$currency = $params['currency'];
$description = $params['description'];
$order_id = '';
if (isset($params['order_id'])) {
$order_id = $params['order_id'];
}
$type = '';
if (isset($params['type'])) {
$type = $params['type'];
}
$result_url = '';
if (isset($params['result_url'])) {
$result_url = $params['result_url'];
}
$server_url = '';
if (isset($params['server_url'])) {
$server_url = $params['server_url'];
}
$signature = $this->str_to_sign(
$private_key.
$amount.
$currency.
$public_key.
$order_id.
$type.
$description.
$result_url.
$server_url
);
return $signature;
}
/**
* str_to_sign
*
* @param array $params
*
* @return string
*/
public function str_to_sign($str)
{
$signature = base64_encode(sha1($str,1));
return $signature;
}
}