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   1  <?php
   2  /**
   3   * @version        $Id: helper.php 18162 2010-07-16 07:00:47Z ian $
   4   * @package        Joomla
   5   * @subpackage    Content
   6   * @copyright    Copyright (C) 2005 - 2010 Open Source Matters. All rights reserved.
   7   * @license        GNU/GPL, see LICENSE.php
   8   * Joomla! is free software. This version may have been modified pursuant to the
   9   * GNU General Public License, and as distributed it includes or is derivative
  10   * of works licensed under the GNU General Public License or other free or open
  11   * source software licenses. See COPYRIGHT.php for copyright notices and
  12   * details.
  13   */
  14  
  15  /**
  16   * Content Component Helper
  17   *
  18   * @static
  19   * @package        Joomla
  20   * @subpackage    Content
  21   * @since 1.5
  22   */
  23  class ContentHelper
  24  {
  25  	function saveContentPrep( &$row )
  26      {
  27          // Get submitted text from the request variables
  28          $text = JRequest::getVar( 'text', '', 'post', 'string', JREQUEST_ALLOWRAW );
  29  
  30          // Clean text for xhtml transitional compliance
  31          $text        = str_replace( '<br>', '<br />', $text );
  32  
  33          // Search for the {readmore} tag and split the text up accordingly.
  34          $pattern = '#<hr\s+id=("|\')system-readmore("|\')\s*\/*>#i';
  35          $tagPos    = preg_match($pattern, $text);
  36  
  37          if ( $tagPos == 0 )
  38          {
  39              $row->introtext    = $text;
  40          } else
  41          {
  42              list($row->introtext, $row->fulltext) = preg_split($pattern, $text, 2);
  43          }
  44  
  45          // Filter settings
  46          jimport( 'joomla.application.component.helper' );
  47          $config    = JComponentHelper::getParams( 'com_content' );
  48          $user    = &JFactory::getUser();
  49          $gid    = $user->get( 'gid' );
  50  
  51          $filterGroups    =  $config->get( 'filter_groups' );
  52          
  53          // convert to array if one group selected
  54          if ( (!is_array($filterGroups) && (int) $filterGroups > 0) ) { 
  55              $filterGroups = array($filterGroups);
  56          }
  57  
  58          if (is_array($filterGroups) && in_array( $gid, $filterGroups ))
  59          {
  60              $filterType        = $config->get( 'filter_type' );
  61              $filterTags        = preg_split( '#[,\s]+#', trim( $config->get( 'filter_tags' ) ) );
  62              $filterAttrs    = preg_split( '#[,\s]+#', trim( $config->get( 'filter_attritbutes' ) ) );
  63              switch ($filterType)
  64              {
  65                  case 'NH':
  66                      $filter    = new JFilterInput();
  67                      break;
  68                  case 'WL':
  69                      $filter    = new JFilterInput( $filterTags, $filterAttrs, 0, 0, 0);  // turn off xss auto clean
  70                      break;
  71                  case 'BL':
  72                  default:
  73                      $filter    = new JFilterInput( $filterTags, $filterAttrs, 1, 1 );
  74                      break;
  75              }
  76              $row->introtext    = $filter->clean( $row->introtext );
  77              $row->fulltext    = $filter->clean( $row->fulltext );
  78          } elseif(empty($filterGroups) && $gid != '25') { // no default filtering for super admin (gid=25)
  79              $filter = new JFilterInput( array(), array(), 1, 1 );
  80              $row->introtext    = $filter->clean( $row->introtext );
  81              $row->fulltext    = $filter->clean( $row->fulltext );
  82          }
  83          return true;
  84      }
  85  
  86      /**
  87      * Applies the content tag filters to arbitrary text as per settings for current user group
  88      * @param text The string to filter
  89      * @return string The filtered string
  90      */
  91  	function filterText( $text )
  92      {
  93          // Filter settings
  94          jimport( 'joomla.application.component.helper' );
  95          $config    = JComponentHelper::getParams( 'com_content' );
  96          $user    = &JFactory::getUser();
  97          $gid    = $user->get( 'gid' );
  98  
  99          $filterGroups    =  $config->get( 'filter_groups' );
 100          
 101          // convert to array if one group selected
 102          if ( (!is_array($filterGroups) && (int) $filterGroups > 0) ) { 
 103              $filterGroups = array($filterGroups);
 104          }
 105  
 106          if (is_array($filterGroups) && in_array( $gid, $filterGroups ))
 107          {
 108              $filterType        = $config->get( 'filter_type' );
 109              $filterTags        = preg_split( '#[,\s]+#', trim( $config->get( 'filter_tags' ) ) );
 110              $filterAttrs    = preg_split( '#[,\s]+#', trim( $config->get( 'filter_attritbutes' ) ) );
 111              switch ($filterType)
 112              {
 113                  case 'NH':
 114                      $filter    = new JFilterInput();
 115                      break;
 116                  case 'WL':
 117                      $filter    = new JFilterInput( $filterTags, $filterAttrs, 0, 0, 0);  // turn off xss auto clean
 118                      break;
 119                  case 'BL':
 120                  default:
 121                      $filter    = new JFilterInput( $filterTags, $filterAttrs, 1, 1 );
 122                      break;
 123              }
 124              $text    = $filter->clean( $text );
 125          } elseif(empty($filterGroups) && $gid != '25') { // no default filtering for super admin (gid=25)
 126              $filter = new JFilterInput( array(), array(), 1, 1 );
 127              $text    = $filter->clean( $text );
 128          }
 129          return $text;
 130      }
 131  
 132  
 133  
 134      /**
 135      * Function to reset Hit count of an article
 136      *
 137      */
 138  	function resetHits($redirect, $id)
 139      {
 140          global $mainframe;
 141  
 142          // Initialize variables
 143          $db    = & JFactory::getDBO();
 144  
 145          // Instantiate and load an article table
 146          $row = & JTable::getInstance('content');
 147          $row->Load($id);
 148          $row->hits = 0;
 149          $row->store();
 150          $row->checkin();
 151  
 152          $msg = JText::_('Successfully Reset Hit count');
 153          $mainframe->redirect('index.php?option=com_content&sectionid='.$redirect.'&task=edit&id='.$id, $msg);
 154      }
 155  
 156  	function filterCategory($query, $active = NULL)
 157      {
 158          // Initialize variables
 159          $db    = & JFactory::getDBO();
 160  
 161          $categories[] = JHTML::_('select.option', '0', '- '.JText::_('Select Category').' -');
 162          $db->setQuery($query);
 163          $categories = array_merge($categories, $db->loadObjectList());
 164  
 165          $category = JHTML::_('select.genericlist',  $categories, 'catid', 'class="inputbox" size="1" onchange="document.adminForm.submit( );"', 'value', 'text', $active);
 166  
 167          return $category;
 168      }
 169  
 170  }