<?php
// +-----------------------------------------------------------------------+
// | PhpWebGallery - a PHP based picture gallery                           |
// | Copyright (C) 2002-2003 Pierrick LE GALL - pierrick@phpwebgallery.net |
// | Copyright (C) 2003-2004 PhpWebGallery Team - http://phpwebgallery.net |
// +-----------------------------------------------------------------------+
// | branch        : BSF (Best So Far)
// | file          : $RCSfile$
// | last update   : $Date$
// | last modifier : $Author$
// | revision      : $Revision$
// +-----------------------------------------------------------------------+
// | 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                                          |
// |                                                                       |
// | 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
// | USA.                                                                  |
// +-----------------------------------------------------------------------+
include_once( './admin/include/isadmin.inc.php' );
//----------------------------------------------------- template initialization
$sub = $vtp->Open( './template/'.$user['template'].'/admin/cat_perm.vtp' );
$error = array();
$tpl = array( 'permuser_authorized','permuser_forbidden','menu_groups',
              'submit','menu_users','permuser_parent_forbidden' );
templatize_array( $tpl, 'lang', $sub );
$vtp->setGlobalVar( $sub, 'user_template', $user['template'] );
//-------------------------------------------------------------- category infos
if ( isset( $_GET['cat_id'] ) )
{
  check_cat_id( $_GET['cat_id'] );
  if ( isset( $page['cat'] ) and is_numeric( $page['cat'] ) )
  {
    $result = get_cat_info( $page['cat'] );
    $page['cat_name']    = $result['name'];
    $page['id_uppercat'] = $result['id_uppercat'];
  }
}
//---------------------------------------------------------- permission updates
if ( isset( $_POST['submit'] ) )
{
  // groups access update
  $query = 'DELETE';
  $query.= ' FROM '.PREFIX_TABLE.'group_access';
  $query.= ' WHERE cat_id = '.$page['cat'];
  $query.= ';';
  pwg_query( $query );
  $query = 'SELECT id';
  $query.= ' FROM '.PREFIX_TABLE.'groups';
  $query.= ';';
  $result = pwg_query( $query );
  while ( $row = mysql_fetch_array( $result ) )
  {
    $radioname = 'groupaccess-'.$row['id'];
    if ( $_POST[$radioname] == 0 )
    {
      $query = 'INSERT INTO '.PREFIX_TABLE.'group_access';
      $query.= ' (cat_id,group_id) VALUES';
      $query.= ' ('.$page['cat'].','.$row['id'].')';
      $query.= ';';
      pwg_query( $query );
    }
  }
  // users access update
  $query = 'DELETE';
  $query.= ' FROM '.PREFIX_TABLE.'user_access';
  $query.= ' WHERE cat_id = '.$page['cat'];
  $query.= ';';
  pwg_query( $query );
  $query = 'SELECT id';
  $query.= ' FROM '.USERS_TABLE;
  $query.= ';';
  $result = pwg_query( $query );
  while ( $row = mysql_fetch_array( $result ) )
  {
    $radioname = 'useraccess-'.$row['id'];
    if ( $_POST[$radioname] == 0 )
    {
      $query = 'INSERT INTO '.PREFIX_TABLE.'user_access';
      $query.= ' (cat_id,user_id) VALUES';
      $query.= ' ('.$page['cat'].','.$row['id'].')';
      $query.= ';';
      pwg_query( $query );
    }
    check_favorites( $row['id'] );
  }
  // resynchronize all users
  synchronize_all_users();
}
//---------------------------------------------------------------------- groups
$query = 'SELECT id,name';
$query.= ' FROM '.PREFIX_TABLE.'groups';
$query. ';';
$result = pwg_query( $query );
if ( mysql_num_rows( $result ) > 0 )
{
  $vtp->addSession( $sub, 'groups' );
  // creating an array with all authorized groups for this category
  $query = 'SELECT group_id';
  $query.= ' FROM '.PREFIX_TABLE.'group_access';
  $query.= ' WHERE cat_id = '.$_GET['cat_id'];
  $query.= ';';
  $subresult = pwg_query( $query );
  $authorized_groups = array();
  while ( $subrow = mysql_fetch_array( $subresult ) )
  {
    array_push( $authorized_groups, $subrow['group_id'] );
  }
  // displaying each group
  while( $row = mysql_fetch_array( $result ) )
  {
    $vtp->addSession( $sub, 'group' );
    if ( in_array( $row['id'], $authorized_groups ) )
    {
      $vtp->setVar( $sub, 'group.color', 'green' );
      $vtp->setVar( $sub, 'group.authorized_checked', ' checked="checked"' );
    }
    else
    {
      $vtp->setVar( $sub, 'group.color', 'red' );
      $vtp->setVar( $sub, 'group.forbidden_checked', ' checked="checked"' );
    }
    $vtp->setVar( $sub, 'group.groupname', $row['name'] );
    $vtp->setVar( $sub, 'group.id', $row['id'] );
    $url = './admin.php?page=group_perm&amp;group_id='.$row['id'];
    $vtp->setVar( $sub, 'group.group_perm_link', add_session_id( $url ) );
    $vtp->closeSession( $sub, 'group' );
  }
  $vtp->closeSession( $sub, 'groups' );
}
//----------------------------------------------------------------------- users
$query = 'SELECT id,username,status';
$query.= ' FROM '.USERS_TABLE;
// only the webmaster can modify webmaster's permissions
if ( $user['username'] != $conf['webmaster'] )
{
  $query.= " WHERE username != '".$conf['webmaster']."'";
}
$query.= ';';
$result = pwg_query( $query );
while ( $row = mysql_fetch_array( $result ) )
{
  $vtp->addSession( $sub, 'user' );
  $vtp->setVar( $sub, 'user.id', $row['id'] );
  $url = add_session_id( './admin.php?page=user_perm&amp;user_id='.$row['id']);
  $vtp->setVar( $sub, 'user.user_perm_link', $url);
  if ( $row['username'] == 'guest' )
  {
    $row['username'] = $lang['guest'];
  }
  $vtp->setVar( $sub, 'user.username', $row['username'] );

  // for color of user : (red means access forbidden, green authorized) we
  // ask all forbidden categories, including the groups rights
  $restrictions = get_user_restrictions( $row['id'], $row['status'], false );
  $is_user_allowed = is_user_allowed( $page['cat'], $restrictions );
  if ( $is_user_allowed == 0 )
  {
    $vtp->setVar( $sub, 'user.color', 'green' );
  }
  else
  {
    $vtp->setVar( $sub, 'user.color', 'red' );
  }
  // for permission update button, we only ask forbidden categories for the
  // user, not taking into account the groups the user belongs to
  $restrictions = get_user_restrictions($row['id'],$row['status'],false,false);
  $is_user_allowed = is_user_allowed( $page['cat'], $restrictions );
  if ( $is_user_allowed == 2 )
  {
    $vtp->addSession( $sub, 'parent_forbidden' );
    $url = './admin.php?page=cat_perm&amp;cat_id='.$page['id_uppercat'];
    $vtp->setVar( $sub, 'parent_forbidden.url', add_session_id( $url ) );
    $vtp->closeSession( $sub, 'parent_forbidden' );
  }
  if ( $is_user_allowed == 0 )
  {
    $vtp->setVar( $sub, 'user.authorized_checked', ' checked="checked"' );
  }
  else
  {
    $vtp->setVar( $sub, 'user.forbidden_checked', ' checked="checked"' );
  }
  // user's group(s)
  $query = 'SELECT g.name as groupname, g.id as groupid';
  $query.= ' FROM '.PREFIX_TABLE.'groups as g';
  $query.= ', '.PREFIX_TABLE.'user_group as ug';
  $query.= ' WHERE ug.group_id = g.id';
  $query.= ' AND ug.user_id = '.$row['id'];
  $query.= ';';
  $subresult = pwg_query( $query );
  if ( mysql_num_rows( $subresult ) > 0 )
  {
    $vtp->addSession( $sub, 'usergroups' );
    $i = 0;
    while( $subrow = mysql_fetch_array( $subresult ) )
    {
      $vtp->addSession( $sub, 'usergroup' );
      if ( in_array( $subrow['groupid'], $authorized_groups ) )
      {
        $vtp->setVar( $sub, 'usergroup.color', 'green' );
      }
      else
      {
        $vtp->setVar( $sub, 'usergroup.color', 'red' );
      }
      $vtp->setVar( $sub, 'usergroup.name', $subrow['groupname'] );
      if ( $i < mysql_num_rows( $subresult ) - 1 )
      {
        $vtp->setVar( $sub, 'usergroup.separation', ',' );
      }
      $vtp->closeSession( $sub, 'usergroup' );
      $i++;
    }
    $vtp->closeSession( $sub, 'usergroups' );
  }
  $vtp->closeSession( $sub, 'user' );
}
//----------------------------------------------------------- sending html code
$vtp->Parse( $handle , 'sub', $sub );
?>