<p> 
provider = acre.environ.params['provider'] ? acre.environ.params['provider'] : "freebase";

result = {};

try {
  provider_object = acre.oauth.providers[provider];
  result = acre.oauth.get_authorization(provider_object);
} catch (e) {
  result = {};
  for ( p in e ) {
    result[p] = e[p];
  }
  acre.write( JSON.stringify(result) );
}



 </p>