/**
* Decodes a given Base64 encoded string using the techniques and keys from the DynamicBaseObj.
* @param string The encoded value
* @return string The decoded value
*/
public static final function decodeBase64($value)
{
return \System\Security\Base64Encoding::Base64Decode($value, self::ENCRYPTION_KEY);
}
/**
* Creates a fingerprint of the entire system and returns it as an encoded json string. This fingerprint only gives information about the system version.
* By using this fingerprint, we can identify the versions used in the currently deployed build
* Note that the used encryption is not a secure one.
* @param string The key used to encode the resultset and generate the hashes. This key is required for decryption.
* @return string The encoded fingerprint
*/
public static final function getSystemFingerprint($encodeKey = \System\Version::FINGERPRINT_KEY)
{
$baseDir = PATH_SYSTEM;
$files = \System\IO\Directory::walkDir($baseDir, new \System\Collection\Vector('php'));
$map = new \System\Collection\Map();
foreach ($files as $file) {
$hash = new \System\Security\Hash(\System\Security\Hash::HASH_SHA512);
$hash->addFile($file);
$map[\System\Security\Base64Encoding::Base64Encode($file->stripBase(PATH_SYSTEM), $encodeKey)] = $hash->getHash();
}
$jsonObject = json_encode($map->getArrayCopy());
$encoded = \System\Security\XOREncoding::XOREncrypt($jsonObject, $encodeKey);
return $encoded;
}
