public void authenticate(
OAuthAccessToken oAuthAccessToken, HttpServletRequest request, HttpServletResponse response)
throws FacebookException, IOException, ServletException {
Facebook facebook =
Face4jFactory.getInstance().getFacebookFactory().getInstance(oAuthAccessToken);
User fbUser = facebook.getCurrentUser();
PreAuthenticatedAuthenticationToken token =
new PreAuthenticatedAuthenticationToken(fbUser, null);
token.setDetails(ads.buildDetails((HttpServletRequest) request));
try {
Authentication authentication = authenticationManager.authenticate(token);
SecurityContextHolder.getContext().setAuthentication(authentication);
HttpSession session = request.getSession(true);
session.setAttribute("username", fbUser.getEmail());
LOG.info("Facebook user " + fbUser.getName());
if (authentication.getAuthorities().contains(AppRole.NEW_USER)) {
LOG.debug("New user authenticated. Redirecting to registration page");
((HttpServletResponse) response).sendRedirect(REGISTRATION_URL);
return;
}
} catch (AuthenticationException e) {
failureHandler.onAuthenticationFailure(
(HttpServletRequest) request, (HttpServletResponse) response, e);
return;
}
}
