Jak przemienić to na logowanie po przez basic
<http use-expressions="true">
<intercept-url pattern="/login" access="isAuthenticated()"/>
<intercept-url pattern="/**" access="hasRole('ROLE_USER')"/>
<form-login/>
<logout logout-url="/logout" logout-success-url="/index"/>
</http>
<authentication-manager>
<authentication-provider>
<user-service>
<user name="root" password="root" authorities="ROLE_USER"/>
</user-service>
</authentication-provider>
</authentication-manager>