/**
* Configures the client ID
*
* We hash the client ID to prevent leakage of information if another client
* happens to get a hold of an ID. The secret *must* be lengthy, and must
* be kept secret for this to work: otherwise it's trivial to search the space
* of possible IP addresses/ports (well, if not trivial, at least very fast).
*/
protected function configureClientId()
{
$message = sprintf('%s:uri=%s&ip=%s&port=%s', $this->options['connection_id_secret'], rawurlencode($this->manager->getUri()), rawurlencode($this->ip), rawurlencode($this->port));
$algo = $this->options['connection_id_algo'];
if (extension_loaded('gmp')) {
$hash = hash($algo, $message);
$hash = gmp_strval(gmp_init('0x' . $hash, 16), 62);
} else {
// @codeCoverageIgnoreStart
$hash = hash($algo, $message);
// @codeCoverageIgnoreEnd
}
$this->id = $hash;
}
