/**
* {@inheritdoc}
*/
public function createSession($userData, $validUntil)
{
$sessionId = Binary::base64Encode(Random::bytes(32), true);
$this->lock['session'] = $sessionId;
$this->lock->save();
return $sessionId;
}
public function getToken()
{
if (!isset($this->session['request_token'])) {
$this->session['request_token'] = Binary::base64Encode(Random::bytes(32), true);
}
return $this->session['request_token'];
}
/**
* Generate a random salt.
* @return string Salt.
*/
public function genSalt()
{
$bytes = Random::bytes($this->saltLength);
$b64 = rtrim(base64_encode($bytes), '=');
$salt = Binary::slice(str_replace('+', '.', $b64), 0, $this->saltLength);
return $this->prefix . $salt;
}
/**
* Generate a random sequence of bytes.
* @param int $n Number of bytes.
* @param string $method Output parameter for the method used to generate
* bytes: 'php7', 'mcrypt', 'openssl', 'urandom', or 'mt_rand'.
* @return string String of bytes.
*/
public static function bytes($n, &$method = null)
{
$bytes = self::php7Bytes($n);
$method = 'php7';
if (!isset($bytes)) {
$bytes = self::mcryptBytes($n);
$method = 'mcrypt';
}
if (!isset($bytes)) {
$bytes = self::opensslBytes($n);
$method = 'openssl';
}
if (!isset($bytes)) {
$bytes = self::urandomBytes($n);
$method = 'urandom';
}
if (!isset($bytes)) {
$bytes = self::mtRandBytes($n);
$method = 'mt_rand';
}
$l = Binary::length($bytes);
if ($l < $n) {
$bytes .= self::mtRandBytes($n - $l);
}
return $bytes;
}
