Examples with LdapEntry org.ldaptive.LdapEntry used on opensource projects

Example 26 with LdapEntry

use of org.ldaptive.LdapEntry in project cas by apereo.

the class LdapAuthenticationProvider method authenticate.

@Override
public Authentication authenticate(final Authentication authentication) throws AuthenticationException {
    try {
        final String username = authentication.getPrincipal().toString();
        final Object credentials = authentication.getCredentials();
        final String password = credentials == null ? null : credentials.toString();
        LOGGER.debug("Preparing LDAP authentication request for user [{}]", username);
        final AuthenticationRequest request = new AuthenticationRequest(username, new org.ldaptive.Credential(password), ReturnAttributes.ALL.value());
        final Authenticator authenticator = LdapUtils.newLdaptiveAuthenticator(adminPagesSecurityProperties.getLdap());
        LOGGER.debug("Executing LDAP authentication request for user [{}]", username);
        final AuthenticationResponse response = authenticator.authenticate(request);
        LOGGER.debug("LDAP response: [{}]", response);
        if (response.getResult()) {
            final LdapEntry entry = response.getLdapEntry();
            final CommonProfile profile = new CommonProfile();
            profile.setId(username);
            entry.getAttributes().forEach(a -> profile.addAttribute(a.getName(), a.getStringValues()));
            LOGGER.debug("Collected user profile [{}]", profile);
            this.authorizationGenerator.generate(Pac4jUtils.getPac4jJ2EContext(), profile);
            LOGGER.debug("Assembled user profile with roles after generating authorization claims [{}]", profile);
            final Collection<GrantedAuthority> authorities = new ArrayList<>();
            authorities.addAll(profile.getRoles().stream().map(SimpleGrantedAuthority::new).collect(Collectors.toList()));
            LOGGER.debug("List of authorities remapped from profile roles are [{}]", authorities);
            final RequireAnyRoleAuthorizer authorizer = new RequireAnyRoleAuthorizer(adminPagesSecurityProperties.getAdminRoles());
            LOGGER.debug("Executing authorization for expected admin roles [{}]", authorizer.getElements());
            final J2EContext context = Pac4jUtils.getPac4jJ2EContext();
            if (authorizer.isAllAuthorized(context, CollectionUtils.wrap(profile))) {
                return new UsernamePasswordAuthenticationToken(username, password, authorities);
            }
            LOGGER.warn("User [{}] is not authorized to access the requested resource allowed to roles [{}]", username, authorizer.getElements());
        } else {
            LOGGER.warn("LDAP authentication response produced no results for [{}]", username);
        }
    } catch (final Exception e) {
        LOGGER.error(e.getMessage(), e);
        throw new InsufficientAuthenticationException("Unexpected LDAP error", e);
    }
    throw new BadCredentialsException("Could not authenticate provided credentials");
}