Examples with AttributesMapper org.springframework.ldap.core.AttributesMapper used on opensource projects

Example 6 with AttributesMapper

use of org.springframework.ldap.core.AttributesMapper in project metron by apache.

the class KnoxSSOAuthenticationFilter method getAuthentication.

/**
 * Builds the Spring Authentication object using the supplied user name and groups looked up from LDAP.  Groups are currently
 * mapped directly to Spring roles by converting to upper case and prepending the name with "ROLE_".
 * @param userName The username to build the Authentication object with.
 * @param httpRequest HttpServletRequest
 * @return Authentication object for the given user.
 */
protected Authentication getAuthentication(String userName, HttpServletRequest httpRequest) {
    String ldapName = LdapNameBuilder.newInstance().add(userSearchBase).add("uid", userName).build().toString();
    // Search ldap for a user's groups and convert to a Spring role
    List<GrantedAuthority> grantedAuths = ldapTemplate.search(query().where("objectclass").is("groupOfNames").and("member").is(ldapName), (AttributesMapper<String>) attrs -> (String) attrs.get("cn").get()).stream().map(group -> String.format("%s%s", SECURITY_ROLE_PREFIX, group.toUpperCase())).map(SimpleGrantedAuthority::new).collect(Collectors.toList());
    final UserDetails principal = new User(userName, "", grantedAuths);
    final UsernamePasswordAuthenticationToken authentication = new UsernamePasswordAuthenticationToken(principal, "", grantedAuths);
    WebAuthenticationDetails webDetails = new WebAuthenticationDetails(httpRequest);
    authentication.setDetails(webDetails);
    return authentication;
}