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<?php |
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|
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/** |
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* This file is part of the Nette Framework (https://nette.org) |
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* Copyright (c) 2004 David Grudl (https://davidgrudl.com) |
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*/ |
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declare (strict_types=1); |
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namespace Packetery\Nette\Http; |
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|
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use Packetery\Nette; |
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use Packetery\Nette\Utils\DateTime; |
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/** |
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* Rendering helpers for HTTP. |
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*/ |
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final class Helpers |
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{ |
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use \Packetery\Nette\StaticClass; |
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/** @internal */ |
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public const StrictCookieName = '_nss'; |
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/** @deprecated */ |
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public const STRICT_COOKIE_NAME = self::StrictCookieName; |
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/** |
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* Returns HTTP valid date format. |
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* @param string|int|\DateTimeInterface $time |
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*/ |
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public static function formatDate($time) : string |
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{ |
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$time = DateTime::from($time)->setTimezone(new \DateTimeZone('GMT')); |
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return $time->format('D, d M Y H:i:s \\G\\M\\T'); |
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} |
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/** |
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* Is IP address in CIDR block? |
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*/ |
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public static function ipMatch(string $ip, string $mask) : bool |
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{ |
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[$mask, $size] = \explode('/', $mask . '/'); |
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$tmp = function (int $n) : string { |
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return \sprintf('%032b', $n); |
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}; |
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$ip = \implode('', \array_map($tmp, \unpack('N*', \inet_pton($ip)))); |
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$mask = \implode('', \array_map($tmp, \unpack('N*', \inet_pton($mask)))); |
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$max = \strlen($ip); |
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if (!$max || $max !== \strlen($mask) || (int) $size < 0 || (int) $size > $max) { |
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return \false; |
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} |
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return \strncmp($ip, $mask, $size === '' ? $max : (int) $size) === 0; |
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} |
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public static function initCookie(IRequest $request, IResponse $response) |
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{ |
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$response->setCookie(self::StrictCookieName, '1', 0, '/', null, null, \true, IResponse::SameSiteStrict); |
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} |
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} |
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