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<?php
/**
* Matomo - free/libre analytics platform
*
* @link https://matomo.org
* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
*/
namespace Piwik\Tests\Framework;
use Piwik\Common;
use Piwik\Option;
/**
* TODO: doc
*
* TODO: describe need to keep strings as small as possible
*/
class XssTesting
{
const OPTION_NAME = 'Tests.xssEntries';
public function forTwig($type, $sanitize = false)
{
$n = $this->addXssEntry($type, 'twig');
$result = "<script>_x($n)</script>";
if ($sanitize) {
// NOTE: since API\Request does sanitization, API methods do not. when calling them, we must
// sometimes do sanitization ourselves.
$result = Common::sanitizeInputValue($result);
}
return $result;
}
public function forAngular($type, $sanitize = false)
{
$n = $this->addXssEntry($type, 'angular');
$result = "{{constructor.constructor(\"_x($n)\")()}}";
if ($sanitize) {
$result = Common::sanitizeInputValue($result);
}
return $result;
}
private function addXssEntry($attackVectorType, $injectionType)
{
$entries = $this->getXssEntries();
$xssName = $injectionType . '-(' . $attackVectorType . ')';
$index = array_search($xssName, $entries);
if ($index !== false) {
return $index;
}
$key = count($entries);
$entries[$key] = $xssName;
$this->setXssEntries($entries);
return $key;
}
public function getXssEntries()
{
$value = Option::get(self::OPTION_NAME);
return json_decode($value, $isAssoc = true) ?: [];
}
private function setXssEntries($entries)
{
$value = json_encode($entries);
Option::set(self::OPTION_NAME, $value);
}
private function getJavaScriptCode()
{
$entries = json_encode($this->getXssEntries());
$js = <<<JS
window._xssEntryTypes = $entries;
window._x = function triggerXss(id) {
var message = "XSS triggered (id = " + id + "): " + window._xssEntryTypes[id];
$(document.body).append(message);
var e = (new Error(message));
console.log(e.stack || e.message);
};
JS;
return $js;
}
public static function getJavaScriptAddEvent()
{
$xssTesting = new XssTesting();
return ['Template.jsGlobalVariables', \DI\value(function (&$out) use ($xssTesting) {
$out .= $xssTesting->getJavaScriptCode();
})];
}
/**
* Since the XSS entries option is stored in the OmniFixture dump AND is modified when setting up
* UITestFixture, we want to make sure it has all the right entries. Otherwise some failures will be
* harder to debug.
*/
public function sanityCheck()
{
$expectedEntries = [
'twig-(site name)',
'twig-(goal name)',
'twig-(goal description)',
'angular-(Piwik test two)',
'angular-(second goal)',
'angular-(goal description)',
'twig-(pageurl)',
'twig-(page title)',
'twig-(referrerUrl)',
'twig-(keyword)',
'twig-(customdimension)',
'twig-(customvarname)',
'twig-(customvarval)',
'twig-(userid)',
'twig-(lang)',
'twig-(city)',
'twig-(region)',
'twig-(country)',
'twig-(useragent)',
'angular-(pageurl)',
'angular-(page title)',
'angular-(referrerUrl)',
'angular-(keyword)',
'angular-(customdimension)',
'angular-(customvarname)',
'angular-(customvarval)',
'angular-(userid)',
'angular-(lang)',
'angular-(city)',
'angular-(region)',
'angular-(country)',
'angular-(useragent)',
'twig-(annotation)',
'angular-(Annotation note 3)',
'twig-(excludedparameter)',
'angular-(excludedparameter)',
'twig-(scheduledreport)',
'twig-(dimensionname)',
'twig-(category)',
'twig-(reportname)',
'twig-(reportdoc)',
'twig-(subcategory)',
'twig-(processedmetricname)',
'twig-(processedmetricdocs)',
'angular-(dimensionname)',
'angular-(category)',
'angular-(reportname)',
'angular-(reportdoc)',
'angular-(subcategory)',
'angular-(processedmetricname)',
'angular-(processedmetricdocs)',
'angular-(scheduledreport)',
'twig-(segment)',
'angular-(From Europe segment)',
'twig-(dashboard name0)',
'angular-(dashboard name1)',
'angular-(datatablerow)',
'twig-(datatablerow)',
];
$actualEntries = $this->getXssEntries();
$actualEntries = array_unique($actualEntries);
$actualEntries = array_filter($actualEntries);
$actualEntries = array_values($actualEntries);
try {
\PHPUnit\Framework\Assert::assertEquals($expectedEntries, $actualEntries);
} catch (\Exception $ex) {
print "XssTesting::sanityCheck() failed, got: " . var_export($actualEntries, true)
. "\nexpected: " . var_export($expectedEntries, true);
}
}
public function dangerousLink($desc)
{
return 'javascript:alert("' . $desc . '")';
}
}
|
