/**
* Exchange an auth code for an access token, then send the user back to
* the home page, now logged in.
*
* @return mixed
*/
public function callback()
{
$auth_code = Input::get('code');
if ($auth_code) {
$response = OAuth::token($auth_code);
$access_token = $response['access_token'];
$expiry_date = Carbon::now()->addSeconds($response['expires_in']);
Session::set('access_token', $access_token);
Session::set('access_token_expiry', $expiry_date);
Api::setAccessToken($access_token);
}
return Redirect::to('/');
}
/**
* Handle an incoming request.
*
* @param \Illuminate\Http\Request $request
* @param \Closure $next
* @return mixed
*/
public function handle($request, Closure $next)
{
$now = Carbon::now();
# look for a token in the session.
list($token, $expiry) = $this->getSessionToken();
if ($token == null || $expiry->lte($now)) {
# look for a token in the cache.
list($token, $expiry) = $this->getCachedToken();
if ($token == null || $expiry->lte($now)) {
# still nothing, then we'll have to get a new one.
list($token, $expiry) = $this->getNewToken();
Cache::forever('access_token', $token);
Cache::forever('access_token_expiry', $expiry);
}
}
# store the access token in the session for later use.
Session::set('access_token', $token);
Session::set('access_token_expiry', $expiry);
Api::setAccessToken($token);
# permit the action.
return $next($request);
}
