General OAuth2-Client

To use this general OAuth2 client-class, include it with

require_once('OAuth2Client.php'); 
$oauth2 = new OAuth2( 
	$client_id,
	$client_secret,
	$redirect_uri,
	$auth,
	$token,
	$user,
	$authorization_type,
	$session,
	$verify,
	$grant_type,
	$response_type);

$client_id is client id of the OAuth2 application
$client_secret is client secret of the OAuth2 application
$redirect_uri is the specified redirect-uri for the OAuth2 application
$auth is the full url for authorization
$token is the full token url
$user is the full identity url (example: https://auth.dataporten.no/userinfo)

Optional -

$authorization_type defaults to Bearer
$session specifies whether the state is to be saved in _SESSION storage, defaults to false
$verify is whether to verify SSL of host and peer, defaults to false
$grant_type defaults to 'authorization_code'
$response_type defaults to 'code'

To start the redirect phase

$oauth2->redirect($state);

($state defaults to false)

To get access token

$oauth2->get_access_token();

returns the access_token.

(Optional value is $state, to check up against _SESSION variables)

To get identity

$oauth->get_identity($access_token);

returns the identity-object as returned from the OAuth2-provider.