forked from GNUsocial/gnu-social
54 lines
1.4 KiB
PHP
54 lines
1.4 KiB
PHP
<?php
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namespace Http\Message;
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use Http\Message\Exception\UnexpectedValueException;
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final class CookieUtil
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{
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/**
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* Handles dates as defined by RFC 2616 section 3.3.1, and also some other
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* non-standard, but common formats.
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*
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* @var array
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*/
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private static $dateFormats = [
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'D, d M y H:i:s T',
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'D, d M Y H:i:s T',
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'D, d-M-y H:i:s T',
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'D, d-M-Y H:i:s T',
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'D, d-m-y H:i:s T',
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'D, d-m-Y H:i:s T',
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'D M j G:i:s Y',
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'D M d H:i:s Y T',
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];
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/**
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* @see https://github.com/symfony/symfony/blob/master/src/Symfony/Component/BrowserKit/Cookie.php
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*
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* @param string $dateValue
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*
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* @return \DateTime
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*
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* @throws UnexpectedValueException if we cannot parse the cookie date string.
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*/
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public static function parseDate($dateValue)
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{
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foreach (self::$dateFormats as $dateFormat) {
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if (false !== $date = \DateTime::createFromFormat($dateFormat, $dateValue, new \DateTimeZone('GMT'))) {
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return $date;
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}
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}
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// attempt a fallback for unusual formatting
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if (false !== $date = date_create($dateValue, new \DateTimeZone('GMT'))) {
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return $date;
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}
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throw new UnexpectedValueException(sprintf(
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'Unparseable cookie date string "%s"',
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$dateValue
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));
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}
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}
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