Login through social-security

    public UserDetails loadUserByUsername(String mail) throws UsernameNotFoundException {
        ServletRequestAttributes servletAttributes = (ServletRequestAttributes) RequestContextHolder.currentRequestAttributes();
        User user = null;
        if (ConstantPWCabinet.SOCIAL_LOGIN_FACEBOOK.equalsIgnoreCase(servletAttributes.getRequest().getParameter(ConstantPWCabinet.LOGIN_TYPE))) {
            User facebookInfo = dao.getFacebookInfo(new FacebookTemplate(servletAttributes.getRequest().getParameter(ConstantPWCabinet.FACEBOOK_TOKEN)));
            user = dao.getUserSelectedMail(facebookInfo.getEmail());
            List<GrantedAuthority> authorities = new ArrayList<GrantedAuthority>();
            authorities.add(new SimpleGrantedAuthority(Role.ROLE_USER_FACEBOOK.toString()));
            Authentication auth = new UsernamePasswordAuthenticationToken(user, null, authorities);
            SecurityContextHolder.getContext().setAuthentication(auth);
        } else {
            user = dao.getUserSelectedMail(mail);
        }
        List<GrantedAuthority> authorities = new ArrayList<GrantedAuthority>();
        String role = user.getRole().toString();
        if (StringUtils.isEmpty(role))
            authorities.add(new SimpleGrantedAuthority(Role.ROLE_USER.toString()));
        else
            authorities.add(new SimpleGrantedAuthority(role));
        return new org.springframework.security.core.userdetails.User(user.getEmail(), user.getPassword(), authorities);
    }