/**
* Check if facebook is enabled, and perform appropriate action based on
* authentication state (fb and vb) of the user
*/
public function load_facebook()
{
global $vbulletin, $show;
// check if facebook and session is enabled
if (is_facebookenabled())
{
// is user is logged into facebook?
if ($show['facebookuser'] = vB_Facebook::instance()->userIsLoggedIn())
{
// is user logged into vB?
if (!empty($vbulletin->userinfo['userid']))
{
// if vb user is not associated with the current facebook account (or no facebook account at all),
// redirect to the register association page, if doing facebook redirect
if ($vbulletin->userinfo['fbuserid'] != vB_Facebook::instance()->getLoggedInFbUserId())
{
if (do_facebook_redirect())
{
exec_header_redirect('register.php' . $vbulletin->session->vars['sessionurl_q']);
}
// if not doing facebook redirect and not on the reg page,
// pretend the user is not logged into facebook at all so user can browse
else if (THIS_SCRIPT != 'register')
{
$show['facebookuser'] = false;
}
}
}
// user is not logged into vb, but logged into facebook
else
{
// check if there is an associated vb account, if so attempt to log that user in
if (vB_Facebook::instance()->getVbUseridFromFbUserid())
{
// make sure user is trying to login
if (do_facebook_redirect())
{
// need to load the style here to display
// the login welcome message properly
$this->load_style();
require_once(DIR . '/includes/functions_login.php');
if (verify_facebook_authentication())
{
// create new session
process_new_login('fbauto', false, '');
// do redirect
do_login_redirect();
}
}
// if user is not trying to login with FB connect,
// pretend like the user is not logged in to FB
else if (THIS_SCRIPT != 'register')
{
$show['facebookuser'] = false;
}
}
// otherwise, fb account is not associated with any vb user
else
{
// redirect to the registration page to create a vb account
if (do_facebook_redirect())
{
exec_header_redirect('register.php' . $vbulletin->session->vars['sessionurl_q']);
}
// if not doing redirect and not trying to register,
// pretend user is not logged into facebook so they can still browse the site
else if (THIS_SCRIPT != 'register')
{
$show['facebookuser'] = false;
}
}
}
}
}
}
/**
* Check if facebook is enabled, and perform appropriate action based on
* authentication state (fb and vb) of the user
*/
public function load_facebook()
{
global $vbulletin, $show;
$vbulletin->input->clean_array_gpc('r', array('dofbredirect' => TYPE_BOOL));
$dofbredirect = ($vbulletin->GPC_exists['dofbredirect'] and $vbulletin->GPC['dofbredirect'] == 1);
// check if facebook and session is enabled
if (is_facebookenabled()) {
// is user is logged into facebook?
if ($show['facebookuser'] = vB_Facebook::instance()->userIsLoggedIn()) {
// is user logged into vB?
if (!empty($vbulletin->userinfo['userid'])) {
// if vb user is not associated with the current facebook account (or no facebook account at all),
// redirect to the register association page, if doing facebook redirect
if ($vbulletin->userinfo['fbuserid'] != vB_Facebook::instance()->getLoggedInFbUserId()) {
if (do_facebook_redirect()) {
exec_header_redirect('register.php' . $vbulletin->session->vars['sessionurl_q']);
} else {
if (THIS_SCRIPT != 'register') {
$show['facebookuser'] = false;
if ($dofbredirect) {
standard_error(fetch_error('facebook_connect_fail'));
}
}
}
}
} else {
// check if there is an associated vb account, if so attempt to log that user in
if (vB_Facebook::instance()->getVbUseridFromFbUserid()) {
// make sure user is trying to login
if (do_facebook_redirect()) {
// need to load the style here to display
// the login welcome message properly
$this->load_style();
require_once DIR . '/includes/functions_login.php';
if (verify_facebook_authentication()) {
// create new session
process_new_login('fbauto', false, '');
// do redirect
do_login_redirect();
}
} else {
if (THIS_SCRIPT != 'register') {
$show['facebookuser'] = false;
if ($dofbredirect) {
standard_error(fetch_error('facebook_connect_fail'));
}
}
}
} else {
// redirect to the registration page to create a vb account
if (do_facebook_redirect()) {
exec_header_redirect('register.php' . $vbulletin->session->vars['sessionurl_q']);
} else {
if (THIS_SCRIPT != 'register') {
$show['facebookuser'] = false;
if ($dofbredirect) {
standard_error(fetch_error('facebook_connect_fail'));
}
}
}
}
}
}
}
}
