@Override
public Authentication authenticate(final Authentication authentication)
throws AuthenticationException {
Optional<User> u = Optional.absent();
u = userManager.getInternalUser(authentication.getPrincipal().toString());
if (!u.isPresent()) {
throw new UsernameNotFoundException(
"user not found: " + authentication.getPrincipal().toString());
}
boolean b =
userManager.authenticate(
authentication.getPrincipal().toString(), authentication.getCredentials().toString());
if (!b) {
throw new BadCredentialsException("invalid credentials");
}
List<GrantedAuthority> gaList = Lists.newArrayList();
for (String role : u.get().getRoles()) {
GrantedAuthority ga = new SimpleGrantedAuthority(role);
gaList.add(ga);
}
UsernamePasswordAuthenticationToken upt =
new UsernamePasswordAuthenticationToken(
authentication.getPrincipal().toString(),
authentication.getCredentials().toString(),
gaList);
return upt;
}
