User authorization

Parameters passed to the game iFrame by GET method.

warning

If an iFrame games there is a need for navigation links, then they need to pass required parameters.

Parameters	Data type	Required	Decription
api_id	string	Yes	Game
viewer_id	int	Yes	User
xdm_p	int	Yes	Always
xdm_e	string	Yes	Link to portal 101XP.com
xdm_c	string	Yes	Request identificator
auth_key	string	Yes	Request signature
is_app_user	boolean	Flag of installation (currently 1)

Signature calculation (the auth_key param) for user authorization:

$auth_key = hash('md5', $_GET['viewer_id'] . $_GET['api_id'] . 'PRIVATE_KEY');
 
if($auth_key != $_GET['auth_key']) {
    die('Invalid parameters');
}

The PRIVATE_KEY could be obtained from project manager.