/**
* @Security("has_role('ROLE_ADMIN')")
*/
public function importAction()
{
/* Handle form. */
$import = new WhitelistImport();
$form = $this->createForm(new WhitelistImportType(), $import);
$form->handleRequest($this->get('request'));
/* Insert and redirect or show the form. */
if ($form->isValid()) {
$fileContent = file_get_contents($import->getFile()->getPathName());
$rules = json_decode($fileContent, true);
if ($rules) {
$em = $this->getDoctrine()->getManager();
foreach ($rules as $rule) {
$filterObj = $em->getRepository('SwdAnalyzerBundle:WhitelistFilter')->find($rule['filter']);
$ruleObj = new WhitelistRule();
$ruleObj->setProfile($import->getProfile());
$ruleObj->setPath($rule['path']);
$ruleObj->setCaller(str_replace('{BASE}', $import->getBase(), $rule['caller']));
$ruleObj->setMinLength($rule['min_length']);
$ruleObj->setMaxLength($rule['max_length']);
$ruleObj->setFilter($filterObj);
$ruleObj->setStatus(3);
$em->persist($ruleObj);
}
$em->flush();
$this->get('session')->getFlashBag()->add('info', 'The rules were imported.');
} else {
$this->get('session')->getFlashBag()->add('alert', 'Invalid file.');
}
return $this->redirect($this->generateUrl('swd_analyzer_whitelist_rules'));
} else {
/* Render template. */
return $this->render('SwdAnalyzerBundle:Whitelist:import.html.twig', array('form' => $form->createView()));
}
}
public function generateRules($settings)
{
if (!$this->statistics) {
return;
}
foreach ($this->statistics as $caller => $caller_value) {
foreach ($caller_value as $path => $stat) {
/* Ignore slips. */
if ($stat->getUniqueCounter() < $settings->getMinUniqueVisitors()) {
continue;
}
/* Create a new (pending) rule. */
$rule = new WhitelistRule();
$rule->setProfile($settings->getProfile());
$rule->setPath($path);
$rule->setCaller($caller);
$rule->setStatus(3);
$rule->setDate(new \DateTime());
/**
* If the variance is near zero we can use the average length as min and max length.
* If the variance is a bit higher but no really high we can calculate a max length.
* If the variance is too high it is not possible to set a min or max length.
*/
if ($stat->getLengthVariance() < 1) {
$rule->setMinLength(ceil($stat->getAverageLength()));
$rule->setMaxLength(ceil($stat->getAverageLength()));
} elseif ($stat->getLengthVariance() < 5) {
$rule->setMinLength($stat->getMinLength());
$rule->setMaxLength($stat->getMaxLength());
} else {
$rule->setMinLength(-1);
$rule->setMaxLength(-1);
}
/**
* Next we determine the filter. If almost every request used the same filter we can take that filter.
* If this is not the case and there is no clear "winner" we have to take the "everything" filter.
*/
$filter = $stat->getDominantFilter($settings->getMinFilterDominance());
if ($filter === false) {
$everything = $this->em->getRepository('SwdAnalyzerBundle:WhitelistFilter')->findHighestImpact()->getSingleResult();
$rule->setFilter($everything);
} else {
$rule->setFilter($filter);
}
/* Save rule in class attribute. */
$this->rules[] = $rule;
}
}
}