380 lines
10 KiB
PHP
380 lines
10 KiB
PHP
<?php
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/**
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* Event RSS exporter.
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*
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* @category Event RSS export
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* @package Pandora FMS
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* @subpackage Community
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* @version 1.0.0
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* @license See below
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*
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* ______ ___ _______ _______ ________
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* | __ \.-----.--.--.--| |.-----.----.-----. | ___| | | __|
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* | __/| _ | | _ || _ | _| _ | | ___| |__ |
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* |___| |___._|__|__|_____||_____|__| |___._| |___| |__|_|__|_______|
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*
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* ============================================================================
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* Copyright (c) 2005-2021 Artica Soluciones Tecnologicas
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* Please see http://pandorafms.org for full contribution list
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation for version 2.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* ============================================================================
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*/
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// Load global vars.
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global $config;
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// Don't display other errors, messes up XML.
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ini_set('display_errors', 0);
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require_once '../../include/config.php';
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require_once '../../include/functions.php';
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require_once '../../include/functions_db.php';
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require_once '../../include/functions_api.php';
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require_once '../../include/functions_agents.php';
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require_once '../../include/functions_users.php';
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require_once '../../include/functions_tags.php';
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require_once '../../include/functions_groups.php';
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/**
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* Generates an xml entry.
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*
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* @param string $key Key.
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* @param string $value Value.
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*
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* @return string XML entry.
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*/
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function xml_entry($key, $value)
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{
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$output = '<'.xml_entities($key).'>';
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$output .= '<![CDATA['.io_safe_output($value).']]>';
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$output .= '</'.xml_entities($key).'>';
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return $output."\n";
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}
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/**
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* Escape entities for XML.
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*
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* @param string $str String.
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*
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* @return string Escaped string.
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*/
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function xml_entities($str)
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{
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if (!is_string($str)) {
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return '';
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}
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if (preg_match_all('/(&[^;]+;)/', $str, $matches) != 0) {
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$matches = $matches[0];
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foreach ($matches as $entity) {
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$char = html_entity_decode($entity, (ENT_COMPAT | ENT_HTML401), 'UTF-8');
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$html_entity_numeric = '&#'.uniord($char).';';
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$str = str_replace($entity, $html_entity_numeric, $str);
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}
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}
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return $str;
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}
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/**
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* Undocumented function.
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*
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* @param string $u U.
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*
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* @return integer Ord.
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*/
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function uniord($u)
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{
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$k = mb_convert_encoding($u, 'UCS-2LE', 'UTF-8');
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$k1 = ord(substr($k, 0, 1));
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$k2 = ord(substr($k, 1, 1));
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return ($k2 * 256 + $k1);
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}
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/**
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* Generate RSS header.
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*
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* @param integer $lastbuild Date, last build.
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*
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* @return string RSS header.
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*/
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function rss_header($lastbuild=0)
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{
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$selfurl = ui_get_full_url('?'.$_SERVER['QUERY_STRING'], false, true);
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// ' <?php ' -- Fixes highlighters thinking that the closing tag is PHP
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$rss_feed = '<?xml version="1.0" encoding="utf-8" ?>'."\n";
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$rss_feed .= '<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom">'."\n";
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$rss_feed .= '<channel>'."\n";
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$rss_feed .= '<title>'.io_safe_output(get_product_name()).' Events Feed</title>'."\n";
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$rss_feed .= '<description>Latest events on '.get_product_name().'</description>'."\n";
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$rss_feed .= '<lastBuildDate>'.date(DATE_RFC822, $lastbuild).'</lastBuildDate>'."\n";
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// Last build date is the last event - that way readers won't mark it as having new posts.
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$rss_feed .= '<link>'.$url.'</link>'."\n";
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// Link back to the main Pandora page.
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$rss_feed .= '<atom:link href="'.xml_entities(io_safe_input($selfurl)).'" rel="self" type="application/rss+xml" />'."\n";
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return $rss_feed;
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}
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/**
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* RSS error handler.
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*
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* @param string $errno Errno.
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* @param string $errstr Errstr.
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* @param string $errfile Errfile.
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* @param string $errline Errline.
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* @param string $error_human_description Error_human_description.
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*
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* @return void
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*/
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function rss_error_handler($errno, $errstr, $errfile, $errline, $error_human_description=null)
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{
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$url = ui_get_full_url(false);
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$selfurl = ui_get_full_url('?'.$_SERVER['QUERY_STRING'], false, true);
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// ' Fixes certain highlighters freaking out on the PHP closing tag.
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$rss_feed = rss_header(0);
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$rss_feed .= "\n";
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$rss_feed .= '<item>';
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$rss_feed .= "\n";
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$rss_feed .= '<guid>'.$url.'/index.php?sec=eventos&sec2=operation/events/events</guid>';
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$rss_feed .= "\n";
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$rss_feed .= '<title>Error creating feed</title>';
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$rss_feed .= "\n";
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if (empty($error_human_description)) {
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$rss_feed .= '<description>There was an error creating the feed: '.$errno.' - '.$errstr.' in '.$errfile.' on line '.$errline.'</description>';
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} else {
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$rss_feed .= '<description>'.xml_entities(io_safe_input($error_human_description)).'</description>';
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}
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$rss_feed .= "\n";
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$rss_feed .= '<link>'.$url.'/index.php?sec=eventos&sec2=operation/events/events</link>';
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$rss_feed .= "\n";
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$rss_feed .= '</item>';
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$rss_feed .= "\n";
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$rss_feed .= '</channel>';
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$rss_feed .= "\n";
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$rss_feed .= '</rss>';
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echo $rss_feed;
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}
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// Errors output as RSS.
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set_error_handler('rss_error_handler', E_ERROR);
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// Send header before starting to output.
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header('Content-Type: application/xml; charset=UTF-8');
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$ipOrigin = $_SERVER['REMOTE_ADDR'];
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// Uncoment this to activate ACL on RSS Events.
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if (!isInACL($ipOrigin)) {
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rss_error_handler(
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null,
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null,
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null,
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null,
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__('Your IP is not into the IP list with API access.')
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);
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exit;
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}
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// Check user credentials.
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$user = get_parameter('user');
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$hashup = get_parameter('hashup');
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$pss = get_user_info($user);
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$hashup2 = md5($user.$pss['password']);
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if ($hashup != $hashup2) {
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rss_error_handler(
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null,
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null,
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null,
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null,
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__('The URL of your feed has bad hash.')
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);
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exit;
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}
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$reset_session = false;
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if (empty($config['id_user'])) {
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$config['id_user'] = $user;
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$reset_session = true;
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}
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$column_names = [
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'id_evento',
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'evento',
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'timestamp',
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'estado',
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'event_type',
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'utimestamp',
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'id_agente',
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'agent_name',
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'id_usuario',
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'id_grupo',
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'id_agentmodule',
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'id_alert_am',
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'criticity',
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'user_comment',
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'tags',
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'source',
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'id_extra',
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'critical_instructions',
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'warning_instructions',
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'unknown_instructions',
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'owner_user',
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'ack_utimestamp',
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'custom_data',
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'data',
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'module_status',
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];
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$fields = [
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'te.id_evento',
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'te.evento',
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'te.timestamp',
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'te.estado',
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'te.event_type',
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'te.utimestamp',
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'te.id_agente',
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'ta.alias as agent_name',
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'te.id_usuario',
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'te.id_grupo',
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'te.id_agentmodule',
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'am.nombre as module_name',
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'te.id_alert_am',
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'te.criticity',
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'te.user_comment',
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'te.tags',
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'te.source',
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'te.id_extra',
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'te.critical_instructions',
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'te.warning_instructions',
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'te.unknown_instructions',
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'te.owner_user',
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'te.ack_utimestamp',
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'te.custom_data',
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'te.data',
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'te.module_status',
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'tg.nombre as group_name',
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];
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try {
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$fb64 = get_parameter('fb64', null);
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$plain_filter = base64_decode($fb64);
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$filter = json_decode($plain_filter, true);
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if (json_last_error() != JSON_ERROR_NONE) {
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throw new Exception('Invalid filter. ['.$plain_filter.']');
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}
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// Dump events.
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$limit = get_parameter('limit', 20);
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$offset = get_parameter('offset', 0);
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$events = events_get_all(
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$fields,
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$filter,
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$offset,
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$limit,
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'desc',
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'timestamp',
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$filter['history']
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);
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$last_timestamp = 0;
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if (is_array($events)) {
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$last_timestamp = $events[0]['utimestamp'];
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}
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// Dump headers.
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$rss = rss_header($last_timestamp);
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$url = ui_get_full_url(false);
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if (is_array($events)) {
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foreach ($events as $row) {
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$rss .= '<item>';
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$rss .= xml_entry('title', $row['evento']);
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if (!empty($row['id_agente'])) {
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$rss .= xml_entry('link', $url.'index.php?sec=estado&sec2=operation/agentes/ver_agente&id_agente='.$row['id_agente']);
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}
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$rss .= xml_entry('author', $row['agent_name']);
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$rss .= xml_entry('comments', $row['']);
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$rss .= xml_entry('pubDate', $row['timestamp']);
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$rss .= xml_entry('category', $row['source']);
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foreach ($column_names as $val) {
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$key = $val;
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if ($val == 'id_grupo') {
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$key = 'group_name';
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} else if ($val == 'id_agentmodule') {
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$key = 'module_name';
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}
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switch ($key) {
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case 'module_status':
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$value = events_translate_module_status(
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$row[$key]
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);
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break;
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case 'event_type':
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$value = events_translate_event_type(
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$row[$key]
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);
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break;
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case 'criticity':
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$value = events_translate_event_criticity(
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$row[$key]
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);
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break;
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default:
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$value = $row[$key];
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break;
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}
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$rss .= xml_entry($key, $value);
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}
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$rss .= '</item>';
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}
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} else {
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$rss .= '<item><guid>'.xml_entities(io_safe_input($url.'/index.php?sec=eventos&sec2=operation/events/events')).'</guid><title>No results</title>';
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$rss .= '<description>There are no results. Click on the link to see all Pending events</description>';
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$rss .= '<link>'.xml_entities(io_safe_input($url.'/index.php?sec=eventos&sec2=operation/events/events')).'</link></item>'."\n";
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}
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$rss .= "</channel>\n</rss>\n";
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echo $rss;
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} catch (Exception $e) {
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echo rss_error_handler(200, 'Controlled error', '', '', $e->getMessage());
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}
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if ($reset_session) {
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unset($config['id_user']);
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}
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