/**
* Tests that encode and decode are compatible
*/
public function testEncodeAndDecodeAreCompatible()
{
$values = array('Some long string with UTF-8 ąččėę проверка', "Some binary symbols �������\n ", 'Some other symbols %=?/-_)22Wq');
foreach ($values as $text) {
$this->assertEquals($text, $this->util->decodeSafeUrlBase64($this->util->encodeSafeUrlBase64($text)));
}
}
/**
* Checks signature
*
* @param array $request
*
* @return boolean
*
* @throws WebToPay_Exception_Callback
*/
public function checkSign(array $request)
{
if (!isset($request['data']) || !isset($request['ss2'])) {
throw new WebToPay_Exception_Callback('Not enough parameters in callback. Possible version mismatch');
}
$ss2 = $this->util->decodeSafeUrlBase64($request['ss2']);
$ok = openssl_verify($request['data'], $ss2, $this->publicKey);
return $ok === 1;
}
/**
* Parses callback parameters from query parameters and checks if sign is correct.
* Request has parameter "data", which is signed and holds all callback parameters
*
* @param array $requestData
*
* @return array Parsed callback parameters
*
* @throws WebToPayException
* @throws WebToPay_Exception_Callback
*/
public function validateAndParseData(array $requestData)
{
if (!$this->signer->checkSign($requestData)) {
throw new WebToPay_Exception_Callback('Invalid sign parameters, check $_GET length limit');
}
if (!isset($requestData['data'])) {
throw new WebToPay_Exception_Callback('"data" parameter not found');
}
$data = $requestData['data'];
$queryString = $this->util->decodeSafeUrlBase64($data);
$request = $this->util->parseHttpQuery($queryString);
if (!isset($request['projectid'])) {
throw new WebToPay_Exception_Callback('Project ID not provided in callback', WebToPayException::E_INVALID);
}
if ((string) $request['projectid'] !== (string) $this->projectId) {
throw new WebToPay_Exception_Callback(sprintf('Bad projectid: %s, should be: %s', $request['projectid'], $this->projectId), WebToPayException::E_INVALID);
}
if (!isset($request['type']) || !in_array($request['type'], array('micro', 'macro'))) {
$micro = isset($request['to']) && isset($request['from']) && isset($request['sms']);
$request['type'] = $micro ? 'micro' : 'macro';
}
return $request;
}