basdenooijer/solarium — pull request #89 by DrZippie (2012-06-05 17:45:13+00:00)
Title: Authentication for Http and Curl adapters 

$config = array(
'adapteroptions' =>
array ('host' => '127.0.0.1', 'username' => 'user', 'password' =>
'pass', 'port' => '8983'
)
);
$client = new \Solarium_Client( $config );
// $client->setAdapter('Solarium_Client_Adapter_Curl');