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<?php
/**
* Matomo - free/libre analytics platform
*
* @link https://matomo.org
* @license https://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
*/
namespace Piwik;
use Piwik\Container\StaticContainer;
use Piwik\DeviceDetector\DeviceDetectorFactory;
use Piwik\Exception\NotSupportedBrowserException;
class SupportedBrowser
{
/**
* A list of browsers with version numbers that are not supported. A browser
* is not supported if it's included in this array and the version number
* is smaller or equal to the number in this array. If the user's browser
* not included in this list or the version number is higher, then
* supported.
*
* Current version numbers are coming from this list:
* $ npx browserslist
*/
private static $notSupportedBrowsers = [
'FF' => 51,
'IE' => 11,
'SF' => 10,
'CH' => 48,
'OP' => 72,
'PS' => 17,
];
public static function checkIfBrowserSupported()
{
$userAgent = isset($_SERVER['HTTP_USER_AGENT']) ? $_SERVER['HTTP_USER_AGENT'] : '';
if ($userAgent === '') {
return;
}
$ddFactory = StaticContainer::get(DeviceDetectorFactory::class);
/** @var \DeviceDetector\DeviceDetector */
$deviceDetector = $ddFactory->makeInstance($userAgent, Http::getClientHintsFromServerVariables());
$deviceDetector->parse();
$client = $deviceDetector->getClient();
if (!empty($client) && $client['type'] === 'browser' && self::browserNotSupported($client['short_name'], (int)$client['version'])) {
self::throwException($client);
}
}
private static function browserNotSupported($shortName, $version)
{
return array_key_exists($shortName, self::$notSupportedBrowsers) && $version > 0 && $version <= self::$notSupportedBrowsers[$shortName];
}
private static function throwException($client)
{
$message = "<p><b>" . Piwik::translate('General_ExceptionNotSupportedBrowserTitle') . "</b></p>";
$message .= "<p>" . Piwik::translate('General_ExceptionNotSupportedBrowserText') . "</p>";
$exception = new NotSupportedBrowserException($message);
$exception->setIsHtmlMessage();
throw $exception;
}
}
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