class_templateHandling.inc

<?php
/*
  This code is part of FusionDirectory (http://www.fusiondirectory.org/)
  Copyright (C) 2011-2016  FusionDirectory

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation; either version 2 of the License, or
  (at your option) any later version.

  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software
  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
*/

/*!
 * \file class_templateHandling.inc
 * Source code for the class templateHandling
 */

/*! \brief this class stores static methods used to parse templates LDAP data
 */
class templateHandling
{
  /*! \brief Fetch a template from LDAP and returns its attributes and dependencies information */
  public static function fetch ($dn)
  {
    global $config;

    $ldap = $config->get_ldap_link();
    $ldap->cat($dn);
    $attrs    = $ldap->fetch(TRUE);
    $attrs    = static::fieldsFromLDAP($attrs);
    list($depends, $errors) = static::attributesDependencies($attrs);
    msg_dialog::displayChecks($errors);
    $attrs    = static::sortAttributes($attrs, $depends);
    return [$attrs, $depends];
  }

  /*! \brief Translate template attrs into $attrs as if taken from LDAP */
  public static function fieldsFromLDAP (array $template_attrs)
  {
    $attrs = [];
    if (isset($template_attrs['fdTemplateField'])) {
      unset($template_attrs['fdTemplateField']['count']);
      sort($template_attrs['fdTemplateField']);
      foreach ($template_attrs['fdTemplateField'] as $field) {
        if (!preg_match('/^([^:]+):(.*)$/s', $field, $m)) {
          throw new FusionDirectoryException('Template field does not match format');
        }
        if (isset($attrs[$m[1]])) {
          $attrs[$m[1]][] = $m[2];
          $attrs[$m[1]]['count']++;
        } else {
          $attrs[$m[1]]           = [$m[2]];
          $attrs[$m[1]]['count']  = 1;
        }
      }
    }
    return $attrs;
  }

  /*! \brief Translate $attrs into template attrs */
  public static function fieldsToLDAP (array $template_attrs, array $attrs)
  {