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<?php
/* Icinga Web 2 | (c) 2016 Icinga Development Team | GPLv2+ */
namespace Icinga\Module\Eventdb;
use Icinga\Application\Icinga;
use Icinga\Data\QueryInterface;
use Icinga\Exception\IcingaException;
use Icinga\Exception\Json\JsonEncodeException;
use Icinga\Module\Monitoring\Backend\MonitoringBackend;
use Icinga\Web\Controller;
use Icinga\Web\View;
class EventdbController extends Controller
{
/** @var View */
public $view;
/** @var MonitoringBackend */
protected $monitoringBackend;
/**
* Get the EventDB repository
*
* @return Eventdb
*/
protected function getDb()
{
return Eventdb::fromConfig();
}
/**
* {@inheritdoc}
*/
public function getRestrictions($name, $permission = null)
{
$restrictions = array();
if ($this->Auth()->isAuthenticated()) {
foreach ($this->Auth()->getUser()->getRoles() as $role) {
if ($permission !== null && ! in_array($permission, $role->getPermissions())) {
continue;
}
$restrictionsFromRole = $role->getRestrictions($name);
if (empty($restrictionsFromRole)) {
$restrictions = array();
break;
} else {
if (! is_array($restrictionsFromRole)) {
$restrictionsFromRole = array($restrictionsFromRole);
}
$restrictions = array_merge($restrictions, array_values($restrictionsFromRole));
}
}
}
return $restrictions;
}
/**
* Retrieves the Icinga MonitoringBackend
*
* @param string|null $name
*
* @return MonitoringBackend
* @throws IcingaException When monitoring is not enabled
*/
protected function monitoringBackend($name = null)
{
if ($this->monitoringBackend === null) {
if (! Icinga::app()->getModuleManager()->hasEnabled('monitoring')) {
throw new IcingaException('The module "monitoring" must be enabled and configured!');
}
$this->monitoringBackend = MonitoringBackend::instance($name);
}
return $this->monitoringBackend;
}
protected function setViewScript($name)
{
$this->_helper->viewRenderer->setNoController(true);
$this->_helper->viewRenderer->setScriptAction($name);
}
protected function isFormatRequest()
{
return $this->hasParam('format');
}
protected function isApiRequest()
{
$format = $this->getParam('format');
$header = $this->getRequest()->getHeader('Accept');
if ($format === 'json' || preg_match('#application/json(;.+)?#', $header)) {
return true;
} else {
return false;
}
}
protected function isTextRequest()
{
$format = $this->getParam('format');
if ($format === 'text' || $this->isPlainTextRequest()) {
return true;
} else {
return false;
}
}
protected function isPlainTextRequest()
{
$header = $this->getRequest()->getHeader('Accept');
if ($header !== null && preg_match('#text/plain#', $header)) {
return true;
} else {
return false;
}
}
/**
* Send the user a summary of SQL queries
*
* @param array|QueryInterface $queries
*/
protected function sendSqlSummary($queries)
{
if (! is_array($queries)) {
$queries = array($queries);
}
$str = '';
foreach ($queries as $query) {
if ($query !== null) {
$str .= wordwrap($query) . "\n\n";
}
}
$this->sendText($str);
}
/**
* Output JSON data to the requester
*
* @param mixed $data
* @param int $options
* @param int $depth
*
* @throws JsonEncodeException
*/
protected function sendJson($data, $options = 0, $depth = 100)
{
header('Content-Type: application/json');
if (defined('JSON_PARTIAL_OUTPUT_ON_ERROR')) {
$options |= JSON_PARTIAL_OUTPUT_ON_ERROR;
}
$output = json_encode($data, $options, $depth);
if (! $output && json_last_error() !== null) {
throw new JsonEncodeException('JSON error: ' . json_last_error_msg());
}
echo $output;
exit;
}
protected function sendText($str, $script = null)
{
if ($this->isPlainTextRequest()) {
if ($script !== null) {
echo $this->view->render($this->getViewScript($script, true));
} else {
echo $str;
}
exit;
} else {
$this->view->text = $str;
$this->view->partial = $script;
$this->setViewScript('format/text');
}
}
}
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