/**
* @param $algorithmType
* @param null $constructParameters
* @return null
* @throws \Exception
*
* Create concrete class instance of crypto algorithm implementation
*/
public static function createAlgorithm($algorithmType, $constructParameters = null)
{
if (0 === strlen((string) $algorithmType)) {
throw new \Exception('Algorithm type is empty!');
}
try {
self::$algorithmMap = Config\Parameters::getParameter('algorithmMap');
} catch (Exceptions\ParameterNotExistException $e) {
//Catch some not good exception (I've decided that it is fatal Exception)
//Try to log it
Logger::log($e->getMessage(), $algorithmType);
return null;
}
/**
* @var \Library\Interfaces\Algorithm;
*/
if (isset(self::$algorithmMap[$algorithmType])) {
$class = self::$algorithmMap[$algorithmType]['class'];
if (!class_exists($class)) {
throw new \Exception('Class not exist!');
}
if (!is_null(self::$algorithmMap[$algorithmType]['construct_parameters'])) {
$parametersCount = count(self::$algorithmMap[$algorithmType]['construct_parameters']['parameters']);
switch ($parametersCount) {
case 1:
if (!is_null($constructParameters) && is_array($constructParameters) && 1 !== count($constructParameters)) {
throw new \Exception('Bad input constructor parameter');
}
break;
default:
throw new \Exception('Multiple input constructor parameters doesn\'t implement yet!');
break;
}
}
return new $class($constructParameters);
} else {
throw new \Exception('Bad input parameter!');
}
}
//Get user input
function read_stdin()
{
$fr = fopen("php://stdin", "r");
$input = fgets($fr, 128);
$input = rtrim($input);
fclose($fr);
return $input;
}
//Get some config params
try {
$algorithms = Parameters::getParameter('algorithms');
$algorithmMap = Parameters::getParameter('algorithmMap');
$methods = Parameters::getParameter('methods');
} catch (ParameterNotExistException $e) {
Logger::log($e->getMessage(), 'Methods not exist!');
return;
}
$i = 0;
$k = 0;
$constructParameters = null;
//A-a-a-and, prepare view for user
echo "==============================================================\n";
echo "Choose algorithm you want to test (Press number to choose it):\n";
foreach ($algorithms as $algorithm) {
echo "\t" . ++$i . ") " . $algorithm . "\n";
}
echo "\t" . ($i + 1) . ") Or run tests!\n";
$chosenAlgorithm = read_stdin();
if ($i + 1 == $chosenAlgorithm) {
Util::runTests();