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Filename : Cookie.php

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<?php

declare(strict_types=1);

/**
 * This file is part of littleredbutton/bigbluebutton-api-php.
 *
 * littleredbutton/bigbluebutton-api-php is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * littleredbutton/bigbluebutton-api-php is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with littleredbutton/bigbluebutton-api-php. If not, see <http://www.gnu.org/licenses/>.
 */

namespace BigBlueButton\Http\Transport;

use BigBlueButton\Http\SetCookie;

/**
 * Cookie extraction utils.
 *
 * @internal
 */
final class Cookie
{
    /**
     * @param string[] $headerValues
     */
    public static function extractJsessionId(array $headerValues): ?string
    {
        foreach ($headerValues as $headerValue) {
            $cookie = SetCookie::fromString($headerValue);

            if ($cookie->getName() === 'JSESSIONID') {
                $value = $cookie->getValue();

                if ('' === $value) {
                    return null;
                }

                return $value;
            }
        }

        return null;
    }
}