protected RepositoryFileAce toAce(final Session session, final AccessControlEntry acEntry)
      throws RepositoryException {
    Principal principal = acEntry.getPrincipal();
    RepositoryFileSid sid = null;
    String name = principal.getName();
    DefaultPermissionConversionHelper permissionConversionHelper =
        new DefaultPermissionConversionHelper(session);

    if (principal instanceof Group) {
      sid =
          new RepositoryFileSid(
              JcrTenantUtils.getRoleNameUtils().getPrincipleName(name),
              RepositoryFileSid.Type.ROLE);
    } else {
      sid =
          new RepositoryFileSid(
              JcrTenantUtils.getUserNameUtils().getPrincipleName(name),
              RepositoryFileSid.Type.USER);
    }
    logger.debug(
        String.format("principal class [%s]", principal.getClass().getName())); // $NON-NLS-1$
    Privilege[] privileges = acEntry.getPrivileges();
    return new RepositoryFileAce(
        sid, permissionConversionHelper.privilegesToPentahoPermissions(session, privileges));
  }
  private RepositoryFileAcl toAcl(
      final Session session, final PentahoJcrConstants pentahoJcrConstants, final Serializable id)
      throws RepositoryException {

    Node node = session.getNodeByIdentifier(id.toString());
    if (node == null) {
      throw new RepositoryException(
          Messages.getInstance()
              .getString(
                  "JackrabbitRepositoryFileAclDao.ERROR_0001_NODE_NOT_FOUND",
                  id.toString())); // $NON-NLS-1$
    }
    String absPath = node.getPath();
    AccessControlManager acMgr = session.getAccessControlManager();
    AccessControlList acList = getAccessControlList(acMgr, absPath);

    RepositoryFileSid owner = null;
    String ownerString = getOwner(session, absPath, acList);

    if (ownerString != null) {
      // for now, just assume all owners are users; only has UI impact
      owner =
          new RepositoryFileSid(
              JcrTenantUtils.getUserNameUtils().getPrincipleName(ownerString),
              RepositoryFileSid.Type.USER);
    }

    RepositoryFileAcl.Builder aclBuilder = new RepositoryFileAcl.Builder(id, owner);

    aclBuilder.entriesInheriting(isEntriesInheriting(session, absPath, acList));

    List<AccessControlEntry> cleanedAcEntries =
        JcrRepositoryFileAclUtils.removeAclMetadata(
            Arrays.asList(acList.getAccessControlEntries()));

    for (AccessControlEntry acEntry : cleanedAcEntries) {
      if (!acEntry
          .getPrincipal()
          .equals(
              new SpringSecurityRolePrincipal(
                  JcrTenantUtils.getTenantedRole(tenantAdminAuthorityName)))) {
        aclBuilder.ace(toAce(session, acEntry));
      }
    }
    return aclBuilder.build();
  }
  public void addAce(
      final Serializable id,
      final RepositoryFileSid recipient,
      final EnumSet<RepositoryFilePermission> permission) {
    if (isKioskEnabled()) {
      throw new RuntimeException(
          Messages.getInstance()
              .getString("JcrRepositoryFileDao.ERROR_0006_ACCESS_DENIED")); // $NON-NLS-1$
    }

    Assert.notNull(id);
    Assert.notNull(recipient);
    Assert.notNull(permission);
    RepositoryFileAcl acl = getAcl(id);
    Assert.notNull(acl);
    // TODO mlowery find an ACE with the recipient and update that rather than adding a new ACE
    RepositoryFileSid newRecipient = recipient;
    if (recipient.getType().equals(Type.USER)) {
      if (JcrTenantUtils.getUserNameUtils().getTenant(recipient.getName()) == null) {
        newRecipient =
            new RepositoryFileSid(
                JcrTenantUtils.getTenantedUser(recipient.getName()), recipient.getType());
      }
    } else {
      if (JcrTenantUtils.getRoleNameUtils().getTenant(recipient.getName()) == null) {
        newRecipient =
            new RepositoryFileSid(
                JcrTenantUtils.getTenantedRole(recipient.getName()), recipient.getType());
      }
    }
    RepositoryFileAcl updatedAcl =
        new RepositoryFileAcl.Builder(acl).ace(newRecipient, permission).build();
    updateAcl(updatedAcl);
    logger.debug(
        "added ace: id="
            + id
            + ", sid="
            + recipient
            + ", permission="
            + permission); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
  }
  protected RepositoryFileAcl internalUpdateAcl(
      final Session session,
      final PentahoJcrConstants pentahoJcrConstants,
      final Serializable fileId,
      final RepositoryFileAcl acl)
      throws RepositoryException {
    if (isKioskEnabled()) {
      throw new RuntimeException(
          Messages.getInstance()
              .getString("JcrRepositoryFileDao.ERROR_0006_ACCESS_DENIED")); // $NON-NLS-1$
    }

    DefaultPermissionConversionHelper permissionConversionHelper =
        new DefaultPermissionConversionHelper(session);
    Node node = session.getNodeByIdentifier(fileId.toString());
    if (node == null) {
      throw new RepositoryException(
          Messages.getInstance()
              .getString(
                  "JackrabbitRepositoryFileAclDao.ERROR_0001_NODE_NOT_FOUND",
                  fileId.toString())); // $NON-NLS-1$
    }
    String absPath = node.getPath();
    AccessControlManager acMgr = session.getAccessControlManager();
    AccessControlList acList = getAccessControlList(acMgr, absPath);

    // clear all entries
    AccessControlEntry[] acEntries = acList.getAccessControlEntries();
    for (int i = 0; i < acEntries.length; i++) {
      acList.removeAccessControlEntry(acEntries[i]);
    }

    JcrRepositoryFileAclUtils.setAclMetadata(
        session,
        absPath,
        acList,
        new AclMetadata(acl.getOwner().getName(), acl.isEntriesInheriting()));

    // add entries to now empty list but only if not inheriting; force user to start with clean
    // slate
    boolean adminPrincipalExist = false;
    ITenant principalTenant = null;
    if (!acl.isEntriesInheriting()) {
      for (RepositoryFileAce ace : acl.getAces()) {
        Principal principal = null;
        if (RepositoryFileSid.Type.ROLE == ace.getSid().getType()) {
          String principalName =
              JcrTenantUtils.getRoleNameUtils().getPrincipleName(ace.getSid().getName());
          if (tenantAdminAuthorityName.equals(principalName)) {
            adminPrincipalExist = true;
          }
          principal =
              new SpringSecurityRolePrincipal(
                  JcrTenantUtils.getTenantedRole(ace.getSid().getName()));
        } else {
          principal =
              new SpringSecurityUserPrincipal(
                  JcrTenantUtils.getTenantedUser(ace.getSid().getName()));
        }
        acList.addAccessControlEntry(
            principal,
            permissionConversionHelper.pentahoPermissionsToPrivileges(
                session, ace.getPermissions()));
      }
      if (!adminPrincipalExist) {
        if (acl.getAces() != null && acl.getAces().size() > 0) {
          principalTenant =
              JcrTenantUtils.getRoleNameUtils().getTenant(acl.getAces().get(0).getSid().getName());
        }

        if (principalTenant == null || principalTenant.getId() == null) {
          principalTenant = JcrTenantUtils.getTenant();
        }

        List<RepositoryFilePermission> permissionList = new ArrayList<RepositoryFilePermission>();
        permissionList.add(RepositoryFilePermission.ALL);
        Principal adminPrincipal =
            new SpringSecurityRolePrincipal(
                JcrTenantUtils.getRoleNameUtils()
                    .getPrincipleId(principalTenant, tenantAdminAuthorityName));
        acList.addAccessControlEntry(
            adminPrincipal,
            permissionConversionHelper.pentahoPermissionsToPrivileges(
                session, EnumSet.copyOf(permissionList)));
      }
    }
    acMgr.setPolicy(absPath, acList);
    session.save();
    return getAcl(fileId);
  }