Examples with MutablePrincipalCollection org.apache.shiro.subject.MutablePrincipalCollection used on opensource projects

Example 1 with MutablePrincipalCollection

use of org.apache.shiro.subject.MutablePrincipalCollection in project zeppelin by apache.

the class LdapRealm method rolesFor.

private Set<String> rolesFor(PrincipalCollection principals, String userNameIn, final LdapContext ldapCtx, final LdapContextFactory ldapContextFactory) throws NamingException {
    final Set<String> roleNames = new HashSet<>();
    final Set<String> groupNames = new HashSet<>();
    final String userName;
    if (getUserLowerCase()) {
        log.debug("userLowerCase true");
        userName = userNameIn.toLowerCase();
    } else {
        userName = userNameIn;
    }
    String userDn;
    if (userSearchAttributeName == null || userSearchAttributeName.isEmpty()) {
        // memberAttributeValuePrefix and memberAttributeValueSuffix 
        // were computed from memberAttributeValueTemplate
        userDn = memberAttributeValuePrefix + userName + memberAttributeValueSuffix;
    } else {
        userDn = getUserDn(userName);
    }
    // Activate paged results
    int pageSize = getPagingSize();
    if (log.isDebugEnabled()) {
        log.debug("Ldap PagingSize: " + pageSize);
    }
    int numResults = 0;
    byte[] cookie = null;
    try {
        ldapCtx.addToEnvironment(Context.REFERRAL, "ignore");
        ldapCtx.setRequestControls(new Control[] { new PagedResultsControl(pageSize, Control.NONCRITICAL) });
        do {
            // ldapsearch -h localhost -p 33389 -D
            // uid=guest,ou=people,dc=hadoop,dc=apache,dc=org -w guest-password
            // -b dc=hadoop,dc=apache,dc=org -s sub '(objectclass=*)'
            NamingEnumeration<SearchResult> searchResultEnum = null;
            SearchControls searchControls = getGroupSearchControls();
            try {
                if (groupSearchEnableMatchingRuleInChain) {
                    searchResultEnum = ldapCtx.search(getGroupSearchBase(), String.format(MATCHING_RULE_IN_CHAIN_FORMAT, groupObjectClass, memberAttribute, userDn), searchControls);
                    while (searchResultEnum != null && searchResultEnum.hasMore()) {
                        // searchResults contains all the groups in search scope
                        numResults++;
                        final SearchResult group = searchResultEnum.next();
                        Attribute attribute = group.getAttributes().get(getGroupIdAttribute());
                        String groupName = attribute.get().toString();
                        String roleName = roleNameFor(groupName);
                        if (roleName != null) {
                            roleNames.add(roleName);
                        } else {
                            roleNames.add(groupName);
                        }
                    }
                } else {
                    searchResultEnum = ldapCtx.search(getGroupSearchBase(), "objectClass=" + groupObjectClass, searchControls);
                    while (searchResultEnum != null && searchResultEnum.hasMore()) {
                        // searchResults contains all the groups in search scope
                        numResults++;
                        final SearchResult group = searchResultEnum.next();
                        addRoleIfMember(userDn, group, roleNames, groupNames, ldapContextFactory);
                    }
                }
            } catch (PartialResultException e) {
                log.debug("Ignoring PartitalResultException");
            } finally {
                if (searchResultEnum != null) {
                    searchResultEnum.close();
                }
            }
            // Re-activate paged results
            ldapCtx.setRequestControls(new Control[] { new PagedResultsControl(pageSize, cookie, Control.CRITICAL) });
        } while (cookie != null);
    } catch (SizeLimitExceededException e) {
        log.info("Only retrieved first " + numResults + " groups due to SizeLimitExceededException.");
    } catch (IOException e) {
        log.error("Unabled to setup paged results");
    }
    // save role names and group names in session so that they can be
    // easily looked up outside of this object
    SecurityUtils.getSubject().getSession().setAttribute(SUBJECT_USER_ROLES, roleNames);
    SecurityUtils.getSubject().getSession().setAttribute(SUBJECT_USER_GROUPS, groupNames);
    if (!groupNames.isEmpty() && (principals instanceof MutablePrincipalCollection)) {
        ((MutablePrincipalCollection) principals).addAll(groupNames, getName());
    }
    if (log.isDebugEnabled()) {
        log.debug("User RoleNames: " + userName + "::" + roleNames);
    }
    return roleNames;
}