icingaweb2/modules/monitoring/library/Monitoring/Controller.php

117 lines
3.6 KiB
PHP

<?php
/* Icinga Web 2 | (c) 2013-2015 Icinga Development Team | GPLv2+ */
namespace Icinga\Module\Monitoring;
use Icinga\Exception\ConfigurationError;
use Icinga\Exception\QueryException;
use Icinga\Data\Filter\Filter;
use Icinga\Data\Filterable;
use Icinga\File\Csv;
use Icinga\Web\Controller as IcingaWebController;
use Icinga\Web\Url;
/**
* Base class for all monitoring action controller
*/
class Controller extends IcingaWebController
{
/**
* The backend used for this controller
*
* @var Backend
*/
protected $backend;
protected function moduleInit()
{
$this->backend = Backend::createBackend($this->_getParam('backend'));
$this->view->url = Url::fromRequest();
}
protected function handleFormatRequest($query)
{
if ($this->_getParam('format') === 'sql') {
echo '<pre>'
. htmlspecialchars(wordwrap($query->dump()))
. '</pre>';
exit;
}
if ($this->_getParam('format') === 'json'
|| $this->_request->getHeader('Accept') === 'application/json') {
header('Content-type: application/json');
echo json_encode($query->getQuery()->fetchAll());
exit;
}
if ($this->_getParam('format') === 'csv'
|| $this->_request->getHeader('Accept') === 'text/csv') {
Csv::fromQuery($query)->dump();
exit;
}
}
/**
* Apply a restriction of the authenticated on the given filterable
*
* @param string $name Name of the restriction
* @param Filterable $filterable Filterable to restrict
*
* @return Filterable The filterable having the restriction applied
*/
protected function applyRestriction($name, Filterable $filterable)
{
$filterable->applyFilter($this->getRestriction($name));
return $filterable;
}
/**
* Get a restriction of the authenticated
*
* @param string $name Name of the restriction
*
* @return Filter|null Filter object or null if the authenticated user is not restricted
* @throws ConfigurationError If the restriction contains invalid filter columns
*/
protected function getRestriction($name)
{
$restriction = Filter::matchAny();
$restriction->setAllowedFilterColumns(array(
'host_name',
'hostgroup_name',
'instance_name',
'service_description',
'servicegroup_name',
function ($c) {
return preg_match('/^_(?:host|service)_/i', $c);
}
));
foreach ($this->getRestrictions($name) as $filter) {
if ($filter === '*') {
return Filter::matchAny();
}
try {
$restriction->addFilter(Filter::fromQueryString($filter));
} catch (QueryException $e) {
throw new ConfigurationError(
$this->translate(
'Cannot apply restriction %s using the filter %s. You can only use the following columns: %s'
),
$name,
$filter,
implode(', ', array(
'instance_name',
'host_name',
'hostgroup_name',
'service_description',
'servicegroup_name',
'_(host|service)_<customvar-name>'
)),
$e
);
}
}
return $restriction;
}
}