/**
* Validate that the provided value is a base64 string.
*
* @since 1.2.3
*/
public function testIsBase64()
{
$this->assertTrue(Validator::isBase64('YWJjZA=='));
$this->assertTrue(Validator::isBase64('MTIzNA=='));
$this->assertTrue(Validator::isBase64('YWJjZDEyMzQ='));
$this->assertFalse(Validator::isBase64('abcde'));
$this->assertFalse(Validator::isBase64('12345'));
$this->assertFalse(Validator::isBase64('abcde12345'));
}
/**
* Descrypts the HTTP param fieldnames in the array provided and returns the plain version.
*
* @param $params array
*
* @return array
*
* @since 1.2.2
*/
private function decryptFieldNames($params)
{
$decrypted = array();
foreach (array_keys($params) as $fieldname) {
// set request params where fieldnames provided are based64 encoded and encrypted
if (Validator::isBase64($fieldname)) {
$decrypted[SecurityUtils::decrypt(base64_decode($fieldname))] = $params[$fieldname];
}
}
return $decrypted;
}
