private Set<UserPermissionDTO> getUserPermissions(UserDTO user) {
Authentication authenticator =
new Authentication() {
@Override
public Collection<? extends GrantedAuthority> getAuthorities() {
List<GrantedAuthority> auths = new ArrayList<GrantedAuthority>();
auths.add(new GrantedPermission("ROLE_USER_AUTHENTICATOR"));
return auths;
}
@Override
public Object getCredentials() {
return null;
}
@Override
public Object getDetails() {
return null;
}
@Override
public Object getPrincipal() {
return null;
}
@Override
public boolean isAuthenticated() {
return true;
}
@Override
public void setAuthenticated(boolean arg0) throws IllegalArgumentException {}
@Override
public String getName() {
return "AUTHENTICATOR";
}
};
SecurityContextHolder.getContext().setAuthentication(authenticator);
Set<UserPermissionDTO> permissions = userManager.getGrantedPermissionsForUser(user);
SecurityContextHolder.getContext().setAuthentication(null);
return permissions;
}
public UserDTO getUser(LoginCredentials credentials)
throws BadCredentialsException, AccountStatusException, UserRetrievalException {
UserDTO user = getUserByName(credentials.getUserName());
if (user != null) {
if (checkPassword(credentials.getPassword(), userManager.getEncodedPassword(user))) {
try {
userDetailsChecker.check(user);
} catch (AccountStatusException ex) {
throw ex;
}
return user;
} else {
throw new BadCredentialsException("Bad username and password combination.");
}
} else {
throw new BadCredentialsException("Bad username and password combination.");
}
}