os-sim/www/av_asset/common/providers/get_asset_notes.php
<?php
/**
* get_asset_notes.php
*
* File get_asset_notes.php is used to:
*  - Build JSON data that will be returned in response to the Ajax request made by Asset detail (Note section)
*
* License:
*
* Copyright (c) 2003-2006 ossim.net
* Copyright (c) 2007-2013 AlienVault
* All rights reserved.
*
* This package 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; version 2 dated June, 1991.
* You may not use, modify or distribute this program under any other version
* of the GNU General Public License.
*
* This package 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 package; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
* MA  02110-1301  USA
*
*
* On Debian GNU/Linux systems, the complete text of the GNU General
* Public License can be found in `/usr/share/common-licenses/GPL-2'.
*
* Otherwise you can read it here: http://www.gnu.org/licenses/gpl-2.0.txt
*
*/

require_once 'av_init.php';

$asset_id   = POST('asset_id');
$asset_type = POST('asset_type');
$max_rows   = POST('max_notes');
$from       = POST('from');

Session::logcheck_by_asset_type($asset_type);

session_write_close();

$validate = array(
    'max_notes'  =>  array('validation' => 'OSS_DIGIT',   'e_message'  =>  'illegal:' . _('Max Notes')),
    'from'       =>  array('validation' => 'OSS_DIGIT',   'e_message'  =>  'illegal:' . _('From'))
);

$validation_errors = validate_form_fields('POST', $validate);

if (!empty($validation_errors))
{
    Util::response_bad_request(_('Sorry, asset data was not loaded due to a validation error'));
}


// Check Asset Type
$asset_types = array(
    'asset'     => 'asset_host',
    'network'   => 'asset_net',
    'group'     => 'asset_group',
    'net_group' => 'net_group'
);


// Note type
$type_tr = array(
    'group'     => 'host_group',
    'network'   => 'net',
    'asset'     => 'host',
    'net_group' => 'net_group'
);


if (!valid_hex32($asset_id))
{
    Util::response_bad_request(_('Sorry, asset data was not loaded due to a validation error'));
}


try
{
    $db   = new ossim_db(TRUE);
    $conn = $db->connect();

    if (isset($_POST['asset_id']) && isset($_POST['asset_type']))
    {
        if (!array_key_exists($asset_type, $asset_types))
        {
            Av_exception::throw_error(Av_exception::USER_ERROR, _('Error! Invalid Asset Type'));
        }

        $class_name = $asset_types[$_POST['asset_type']];

        // Check Asset Permission
        if (method_exists($class_name, 'is_allowed') && !$class_name::is_allowed($conn, $asset_id))
        {
            $error = sprintf(_('Error! %s is not allowed'), ucwords($asset_type));

            Av_exception::throw_error(Av_exception::USER_ERROR, $error);
        }

        $_type  = $type_tr[$asset_type];

        $filters             = array();
        $filters['order_by'] = 'date DESC';
        $filters['limit']    = $from . ', ' . $max_rows;
        $filters['where']    = "type='$_type' AND asset_id = UNHEX('$asset_id')";

        list($notes, $total) = Notes::get_list($conn, $filters);
    }
    else
    {
        Av_exception::throw_error(Av_exception::USER_ERROR, _('Error retrieving information'));
    }
}
catch(Exception $e)
{
    $db->close();

    Util::response_bad_request($e->getMessage());
}


// OUTPUT DATA
$data = array(
    'total' => 0,
    'data'  => array()
);

foreach ($notes as $note)
{
    $editable = (Session::get_session_user() == $note->get_user()) ? 1 : 0;

    $data['data'][] = array(
        'id'       => $note->get_id(),
        'user'     => $note->get_user(),
        'date'     => $note->get_date(),
        'note'     => $note->get_txt(),
        'editable' => $editable
    );
}

$data['total'] = $total;

$db->close();


echo json_encode($data);

/* End of file get_asset_notes.php */
/* Location: /av_asset/common/providers/get_asset_notes.php */
