<?php

// Pandora FMS - http://pandorafms.com
// ==================================================
// Copyright (c) 2005-2009 Artica Soluciones Tecnologicas
// Please see http://pandorafms.org for full contribution list
// 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 for version 2.
// 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.
// Don't start a session before this import.
// The session is configured and started inside the config process.
require_once '../../include/config.php';
require_once '../../include/auth/mysql.php';
require_once '../../include/functions.php';
require_once '../../include/functions_db.php';
require_once '../../include/functions_events.php';
require_once '../../include/functions_agents.php';
require_once '../../include/functions_groups.php';

$config['id_user'] = $_SESSION['id_usuario'];

if (! check_acl($config['id_user'], 0, 'ER') && ! check_acl($config['id_user'], 0, 'EW') && ! check_acl($config['id_user'], 0, 'EM')) {
    exit;
}

global $config;

// loading l10n tables, because of being invoked not through index.php.
$l10n = null;
if (file_exists($config['homedir'].'/include/languages/'.$user_language.'.mo')) {
    $l10n = new gettext_reader(new CachedFileReader($config['homedir'].'/include/languages/'.$user_language.'.mo'));
    $l10n->load_tables();
}

$offset = (int) get_parameter('offset');
$id_group = (int) get_parameter('id_group');
// group
$event_type = (string) get_parameter('event_type', 'all');
// 0 all
$severity = (int) get_parameter('severity', -1);
// -1 all
$status = (int) get_parameter('status', -1);
// -1 all, 0 only red, 1 only green
$id_agent = (int) get_parameter('id_agent', -1);

$id_event = (int) get_parameter('id_event', -1);
$event_view_hr = (int) get_parameter('event_view_hr', $config['event_view_hr']);
$id_user_ack = get_parameter('id_user_ack', 0);
$search = io_safe_output(preg_replace('/&([A-Za-z]{0,4}\w{2,3};|#[0-9]{2,3};)/', '&', rawurldecode(get_parameter('search'))));
$text_agent = (string) get_parameter('text_agent', __('All'));

$tag_with_json = base64_decode(get_parameter('tag_with', ''));
$tag_with_json_clean = io_safe_output($tag_with_json);
$tag_with_base64 = base64_encode($tag_with_json_clean);
$tag_with = json_decode($tag_with_json_clean, true);
if (empty($tag_with)) {
    $tag_with = [];
}

$tag_with = array_diff($tag_with, [0 => 0]);

$tag_without_json = base64_decode(get_parameter('tag_without', ''));
$tag_without_json_clean = io_safe_output($tag_without_json);
$tag_without_base64 = base64_encode($tag_without_json_clean);
$tag_without = json_decode($tag_without_json_clean, true);
if (empty($tag_without)) {
    $tag_without = [];
}

$tag_without = array_diff($tag_without, [0 => 0]);

$filter_only_alert = (int) get_parameter('filter_only_alert', -1);

//
// Build the condition of the events query
$sql_post = '';
$meta = false;

$id_user = $config['id_user'];

require 'events.build_query.php';

// Now $sql_post have all the where condition
//
switch ($config['dbtype']) {
    case 'mysql':
    case 'postgresql':
    case 'oracle':
        $sql = 'SELECT *
			FROM tevento te
			LEFT JOIN tagent_secondary_group tasg
				ON te.id_grupo = tasg.id_group
			WHERE 1=1 '.$sql_post.'
			ORDER BY utimestamp DESC';
    break;
}

$now = date('Y-m-d');

// Show contentype header
header('Content-type: text/txt');
header('Content-Disposition: attachment; filename="pandora_export_event'.$now.'.csv"');

echo 'timestamp';
echo $config['csv_divider'];
echo 'agent';
echo $config['csv_divider'];
echo 'group';
echo $config['csv_divider'];
echo 'event';
echo $config['csv_divider'];
echo 'status';
echo $config['csv_divider'];
echo 'user';
echo $config['csv_divider'];
echo 'event_type';
echo $config['csv_divider'];
echo 'severity';
echo $config['csv_divider'];
echo 'id';
echo chr(13);

$new = true;
while ($event = db_get_all_row_by_steps_sql($new, $result, $sql)) {
    $new = false;
    $alias = db_get_value('alias', 'tagente', 'id_agente', $event['id_agente']);
    if ((!check_acl($config['id_user'], $event['id_grupo'], 'ER')
        && !check_acl($config['id_user'], $event['id_grupo'], 'EW') && !check_acl($config['id_user'], $event['id_grupo'], 'EM') )
        || (!check_acl($config['id_user'], 0, 'PM') && $event['event_type'] == 'system')
    ) {
        continue;
    }

    echo date($config['date_format'], $event['utimestamp']);
    echo $config['csv_divider'];
    echo io_safe_output($alias);
    echo $config['csv_divider'];
    echo io_safe_output(groups_get_name($event['id_grupo']));
    echo $config['csv_divider'];
    echo io_safe_output($event['evento']);
    echo $config['csv_divider'];
    echo io_safe_output($event['estado']);
    echo $config['csv_divider'];
    echo io_safe_output($event['id_usuario']);
    echo $config['csv_divider'];
    echo io_safe_output($event['event_type']);
    echo $config['csv_divider'];
    echo $event['criticity'];
    echo $config['csv_divider'];
    echo $event['id_evento'];
    echo chr(13);
}