60 lines
1.6 KiB
PHP
60 lines
1.6 KiB
PHP
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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\HttpFoundation\Session;
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/**
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* Session utility functions.
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*
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* @author Nicolas Grekas <p@tchwork.com>
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* @author Rémon van de Kamp <rpkamp@gmail.com>
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*
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* @internal
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*/
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final class SessionUtils
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{
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/**
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* Finds the session header amongst the headers that are to be sent, removes it, and returns
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* it so the caller can process it further.
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*/
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public static function popSessionCookie(string $sessionName, string $sessionId): ?string
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{
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$sessionCookie = null;
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$sessionCookiePrefix = sprintf(' %s=', urlencode($sessionName));
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$sessionCookieWithId = sprintf('%s%s;', $sessionCookiePrefix, urlencode($sessionId));
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$otherCookies = [];
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foreach (headers_list() as $h) {
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if (0 !== stripos($h, 'Set-Cookie:')) {
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continue;
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}
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if (11 === strpos($h, $sessionCookiePrefix, 11)) {
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$sessionCookie = $h;
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if (11 !== strpos($h, $sessionCookieWithId, 11)) {
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$otherCookies[] = $h;
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}
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} else {
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$otherCookies[] = $h;
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}
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}
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if (null === $sessionCookie) {
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return null;
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}
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header_remove('Set-Cookie');
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foreach ($otherCookies as $h) {
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header($h, false);
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}
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return $sessionCookie;
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}
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}
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