pandorafms/pandora_console/include/class/SatelliteAgent.class.php

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2022-08-05 21:49:42 +02:00
<?php
// phpcs:disable Squiz.NamingConventions.ValidVariableName.MemberNotCamelCaps
/**
* Controller for Audit Logs
*
* @category Controller
* @package Pandora FMS
* @subpackage Community
* @version 1.0.0
* @license See below
*
* ______ ___ _______ _______ ________
* | __ \.-----.--.--.--| |.-----.----.-----. | ___| | | __|
* | __/| _ | | _ || _ | _| _ | | ___| |__ |
* |___| |___._|__|__|_____||_____|__| |___._| |___| |__|_|__|_______|
*
* ============================================================================
* Copyright (c) 2005-2022 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.
* ============================================================================
*/
use Mpdf\Tag\Address;
use PandoraFMS\Agent as PandoraFMSAgent;
use PandoraFMS\Enterprise\Agent;
use function Composer\Autoload\includeFile;
// Begin.
global $config;
// Necessary classes for extends.
require_once $config['homedir'].'/include/class/HTML.class.php';
require_once $config['homedir'].'/include/functions_servers.php';
enterprise_include_once('include/functions_satellite.php');
/**
* Class SatelliteAgent
*/
class SatelliteAgent extends HTML
{
/**
* Allowed methods to be called using AJAX request.
*
* @var array
*/
public $AJAXMethods = [
'draw',
'addAgent',
'deleteAgent',
'loadModal',
];
/**
* Ajax page.
*
* @var string
*/
private $ajaxController;
/**
* Class constructor
*
* @param string $ajaxController Ajax controller.
*/
public function __construct(string $ajaxController)
{
global $config;
check_login();
if (check_acl($config['id_user'], 0, 'PM') === false
&& is_user_admin($config['id_user']) === true
) {
db_pandora_audit(
AUDIT_LOG_ACL_VIOLATION,
'Trying to access Satellite agents'
);
include 'general/noaccess.php';
return;
}
// Set the ajax controller.
$this->ajaxController = $ajaxController;
// Capture all parameters before start.
$this->satellite_server = (int) get_parameter('server_remote');
if ($this->satellite_server !== 0) {
$this->satellite_name = servers_get_name($this->satellite_server);
$this->satellite_config = (array) config_satellite_get_config_file($this->satellite_name);
}
}
/**
* Run view
*
* @return void
*/
public function run()
{
// Javascript.
ui_require_jquery_file('pandora');
// CSS.
ui_require_css_file('wizard');
ui_require_css_file('discovery');
global $config;
// Datatables list.
try {
$columns = [
'name',
'address',
'actions',
];
$column_names = [
__('Agent Name'),
__('IP Adrress'),
__('Actions'),
];
$this->tableId = 'satellite_agents';
if (is_metaconsole() === true) {
// Only in case of Metaconsole, format the frame.
open_meta_frame();
}
// Load datatables user interface.
ui_print_datatable(
[
'id' => $this->tableId,
'class' => 'info_table',
'style' => 'width: 100%',
'columns' => $columns,
'column_names' => $column_names,
'ajax_url' => $this->ajaxController,
'ajax_data' => [
'method' => 'draw',
'server_remote' => $this->satellite_server,
],
'ajax_postprocces' => 'process_datatables_item(item)',
'no_sortable_columns' => [-1],
'order' => [
'field' => 'date',
'direction' => 'asc',
],
'search_button_class' => 'sub filter float-right',
'form' => [
'inputs' => [
[
'label' => __('Search').ui_print_help_tip(
__('Search filter by alias, name, description, IP address or custom fields content'),
true
),
'type' => 'text',
'name' => 'filter_search',
'size' => 12,
],
],
],
]
);
} catch (Exception $e) {
echo $e->getMessage();
}
if (is_metaconsole() === true) {
// Close the frame.
close_meta_frame();
}
// Auxiliar div.
$modal = '<div id="modal" class="invisible"></div>';
$msg = '<div id="msg" class="invisible"></div>';
$aux = '<div id="aux" class="invisible"></div>';
echo $modal.$msg.$aux;
// Create button.
echo '<div class="w100p flex-content-right">';
html_print_submit_button(
__('Add host'),
'create',
false,
'class="sub next"'
);
echo '</div>';
// Load own javascript file.
echo $this->loadJS();
}
/**
* Get the data for draw the table.
*
* @return void.
*/
public function draw()
{
global $config;
// Initialice filter.
$filter = '1=1';
// Init data.
$data = [];
// Count of total records.
$count = 0;
// Catch post parameters.
$start = get_parameter('start', 0);
$length = get_parameter('length', $config['block_size']);
$order = get_datatable_order(true);
$filters = get_parameter('filter', []);
try {
ob_start();
$data = [];
foreach ($this->satellite_config as $line) {
$re = '/^#*add_host \b(\S+) (\S*)$/m';
if (preg_match($re, $line, $matches, PREG_OFFSET_CAPTURE, 0) > 0) {
$agent['address'] = $matches[1][0];
if (isset($matches[2][0]) === false || empty($matches[2][0]) === true) {
$agent['name'] = '';
} else {
$agent['name'] = $matches[2][0];
}
array_push($data, $agent);
}
}
if (empty($data) === false) {
$data = array_reduce(
$data,
function ($carry, $item) {
global $config;
// Transforms array of arrays $data into an array
// of objects, making a post-process of certain fields.
$tmp = (object) $item;
$tmp->actions .= html_print_image(
'images/cross.png',
true,
[
'border' => '0',
'class' => 'action_button_img invert_filter',
'onclick' => 'delete_agent(\''.$tmp->address.'\',\''.$tmp->name.'\')',
]
);
$carry[] = $tmp;
return $carry;
}
);
}
echo json_encode(
[
'data' => $data,
'recordsTotal' => $count,
'recordsFiltered' => $count,
]
);
// Capture output.
$response = ob_get_clean();
} catch (Exception $e) {
echo json_encode(['error' => $e->getMessage()]);
exit;
}
// If not valid, show error with issue.
json_decode($response);
if (json_last_error() == JSON_ERROR_NONE) {
// If valid dump.
echo $response;
} else {
echo json_encode(
['error' => $response]
);
}
exit;
}
/**
* Prints inputs for modal "Add agent".
*
* @return void
*/
public function loadModal()
{
$values['address'] = get_parameter('address', null);
$values['name'] = get_parameter('name', null);
echo $this->printInputs($values);
}
/**
* Generates inputs for new/update agents.
*
* @param array $values Values or null.
*
* @return string Inputs.
*/
public function printInputs($values=null)
{
if (!is_array($values)) {
$values = [];
}
$return_all_group = false;
if (users_can_manage_group_all('AR') === true) {
$return_all_group = true;
}
$form = [
'action' => '#',
'id' => 'modal_form',
'onsubmit' => 'return false;',
'class' => 'modal',
];
$inputs = [];
$inputs[] = [
'label' => __('Agent address'),
'id' => 'div-identifier',
'arguments' => [
'name' => 'address',
'type' => 'text',
'value' => $values['address'],
'return' => true,
],
];
$inputs[] = [
'label' => __('Agent name'),
'id' => 'div-identifier',
'arguments' => [
'name' => 'name',
'type' => 'text',
'value' => $values['name'],
'return' => true,
],
];
return $this->printForm(
[
'form' => $form,
'inputs' => $inputs,
],
true
);
}
/**
* Add agent to satellite conf.
*
* @return void
*/
public function addAgent()
{
global $config;
$values['address'] = get_parameter('address');
$values['name'] = get_parameter('name');
if ($this->parseSatelliteConf('save', $values) === false) {
$this->ajaxMsg('error', __('Error saving agent'));
} else {
$this->ajaxMsg('result', _('Host '.$values['addres'].' added.'));
}
exit;
}
/**
* Delete agent from satellite conf.
*
* @return void
*/
public function deleteAgent()
{
$values['address'] = get_parameter('address', '');
$values['name'] = get_parameter('name', '');
if ($this->parseSatelliteConf('delete', $values) === false) {
$this->ajaxMsg('error', __('Error saving agent'));
} else {
$this->ajaxMsg('result', _('Host '.$values['addres'].' added.'));
}
exit;
}
/**
* Parse satellite configuration .
*
* @param string $action Action to perform (save, delete).
* @param array $values.
* @return void
*/
private function parseSatelliteConf(string $action, array $values)
{
switch ($action) {
case 'save':
if (isset($values['address']) === true && empty($values['address']) === false) {
$string_hosts = 'add_host '.$values['address'].' '.$values['name']."\n";
// Add host to conf
array_push($this->satellite_config, $string_hosts);
// Check config.
if (empty($this->satellite_config)) {
return false;
}
$conf = implode('', $this->satellite_config);
} else {
return false;
}
break;
case 'delete':
$conf = implode('', $this->satellite_config);
// Find agent to mark for deletion.
$pattern = io_safe_expreg($values['address'].' '.$values['name']);
$re = "/add_host ($pattern)/m";
$subst = 'delete_host $1';
$conf = preg_replace($re, $subst, $conf);
break;
default:
$this->ajaxMsg('error', __('Error'));
exit;
}
return $this->saveAgent($conf);
}
/**
* Saves agent to satellite cofiguration file.
*
* @param array $values
* @return void
*/
private function saveAgent(string $new_conf)
{
global $config;
if (empty($new_conf)) {
return false;
}
db_pandora_audit(
AUDIT_LOG_SYSTEM,
'Update remote config for server '.$this->satellite_name
);
// Convert to config file encoding.
$encoding = config_satellite_get_encoding($new_conf);
if ($encoding !== false) {
$converted_server_config = mb_convert_encoding($new_conf, $encoding, 'UTF-8');
if ($converted_server_config !== false) {
$new_conf = $converted_server_config;
}
}
// Get filenames.
if ($this->satellite_server !== false) {
$files = config_satellite_get_satellite_config_filenames($this->satellite_name);
} else {
$files = [];
$files['conf'] = $config['remote_config'].'/conf/'.md5($this->satellite_name).'.srv.conf';
$files['md5'] = $config['remote_config'].'/md5/'.md5($this->satellite_name).'.srv.md5';
}
// Save configuration
$result = file_put_contents($files['conf'], $new_conf);
if ($result === false) {
return false;
}
// Save configuration md5
$result = file_put_contents($files['md5'], md5($new_conf));
}
/**
* Checks if target method is available to be called using AJAX.
*
* @param string $method Target method.
*
* @return boolean True allowed, false not.
*/
public function ajaxMethod(string $method)
{
return in_array($method, $this->AJAXMethods);
}
/**
* Minor function to dump json message as ajax response.
*
* @param string $type Type: result || error.
* @param string $msg Message.
* @param boolean $delete Deletion messages.
*
* @return void
*/
private function ajaxMsg($type, $msg, $delete=false)
{
$msg_err = 'Failed while saving: %s';
$msg_ok = 'Successfully saved agent ';
if ($delete) {
$msg_err = 'Failed while removing: %s';
$msg_ok = 'Successfully deleted ';
}
if ($type == 'error') {
echo json_encode(
[
$type => ui_print_error_message(
__(
$msg_err,
$msg
),
'',
true
),
]
);
} else {
echo json_encode(
[
$type => ui_print_success_message(
__(
$msg_ok,
$msg
),
'',
true
),
]
);
}
exit;
}
/**
* Load Javascript code.
*
* @return string.
*/
public function loadJS()
{
// Nothing for this moment.
ob_start();
// Javascript content.
?>
<script type="text/javascript">
/**
* Cleanup current dom entries.
*/
function cleanupDOM() {
$('#div-address').empty();
$('#div-name').empty();
}
/**
* Process ajax responses and shows a dialog with results.
*/
function showMsg(data) {
var title = "<?php echo __('Success'); ?>";
var dt_satellite_agents = $("#satellite_agents").DataTable();
var text = '';
var failed = 0;
try {
data = JSON.parse(data);
text = data['result'];
} catch (err) {
title = "<?php echo __('Failed'); ?>";
text = err.message;
failed = 1;
}
if (!failed && data['error'] != undefined) {
title = "<?php echo __('Failed'); ?>";
text = data['error'];
failed = 1;
}
if (data['report'] != undefined) {
data['report'].forEach(function (item){
text += '<br>'+item;
});
}
$('#msg').empty();
$('#msg').html(text);
$('#msg').dialog({
width: 450,
position: {
my: 'center',
at: 'center',
of: window,
collision: 'fit'
},
title: title,
buttons: [
{
class: "ui-widget ui-state-default ui-corner-all ui-button-text-only sub ok submit-next",
text: 'OK',
click: function(e) {
if (!failed) {
$(".ui-dialog-content").dialog("close");
$('.info').hide();
cleanupDOM();
dt_<?php echo $this->tableId; ?>.draw(false);
} else {
$(this).dialog('close');
}
}
}
]
});
}
/**
* Loads modal from AJAX to add a new agent.
*/
function show_form(address) {
var btn_ok_text = '<?php echo __('OK'); ?>';
var btn_cancel_text = '<?php echo __('Cancel'); ?>';
var title = '<?php echo __('Add agent to satellite'); ?>';
var method = 'addAgent';
load_modal({
target: $('#modal'),
form: 'modal_form',
url: '<?php echo ui_get_full_url('ajax.php', false, false, false); ?>',
ajax_callback: showMsg,
cleanup: cleanupDOM,
modal: {
title: title,
ok: btn_ok_text,
cancel: btn_cancel_text,
},
extradata: [
{
name: 'server_remote',
value: <?php echo $this->satellite_server; ?>,
}
],
onshow: {
page: '<?php echo $this->ajaxController; ?>',
method: 'loadModal'
},
onsubmit: {
page: '<?php echo $this->ajaxController; ?>',
method: method
}
});
}
/**
* Delete selected agent
*/
function delete_agent(address, name) {
$('#aux').empty();
$('#aux').text('<?php echo __('Are you sure?'); ?>');
$('#aux').dialog({
title: '<?php echo __('Delete'); ?> ' + address,
buttons: [
{
class: 'ui-widget ui-state-default ui-corner-all ui-button-text-only sub upd submit-cancel',
text: '<?php echo __('Cancel'); ?>',
click: function(e) {
$(this).dialog('close');
cleanupDOM();
}
},
{
text: 'Delete',
class: 'ui-widget ui-state-default ui-corner-all ui-button-text-only sub ok submit-next',
click: function(e) {
$.ajax({
method: 'post',
url: '<?php echo ui_get_full_url('ajax.php', false, false, false); ?>',
data: {
page: 'enterprise/godmode/servers/agents_satellite',
method: 'deleteAgent',
address: address,
name: name,
server_remote: <?php echo $this->satellite_server; ?>,
},
datatype: "json",
success: function (data) {
showMsg(data);
},
error: function(e) {
showMsg(e);
}
});
}
}
]
});
}
$(document).ready(function() {
$("#submit-create").on('click', function(){
show_form();
});
});
</script>
<?php
// EOF Javascript content.
return ob_get_clean();
}
}