/**
* Processes BitID flow.
* @param Client $client
* @param string $uri bitid uri
* @param callable $cb
*/
protected function _processBitId(Client $client, $uri, callable $cb, $isBitId)
{
// sign payload
$res = $cb($uri);
if (!is_array($res) || !isset($res['address']) || !isset($res['signature'])) {
throw new \InvalidArgumentException("Signing function must sign uri and return array with address and signature field set.");
}
// build post url
$query = [];
parse_str(parse_url($uri, PHP_URL_QUERY) ?: '', $query);
$http = empty($query['u']) ? 'https' : 'http';
// is http/https
$postUrl = preg_replace('#bitid://#i', "{$http}://", $uri);
// authorize
$curl = $client->_prepareRequest('POST', $postUrl, null, json_encode(['address' => $res['address'], 'uri' => $uri, 'signature' => $res['signature']]));
// store token/secret
return $client->_executeRequest($curl, $isBitId);
}
