晋太元中，武陵人捕鱼为业。缘溪行，忘路之远近。忽逢桃花林，夹岸数百步，中无杂树，芳草鲜美，落英缤纷。渔人甚异之，复前行，欲穷其林。 　　林尽水源，便得一山，山有小口，仿佛若有光。便舍船，从口入。初极狭，才通人。复行数十步，豁然开朗。土地平旷，屋舍俨然，有良田、美池、桑竹之属。阡陌交通，鸡犬相闻。其中往来种作，男女衣着，悉如外人。黄发垂髫，并怡然自乐。 　　见渔人，乃大惊，问所从来。具答之。便要还家，设酒杀鸡作食。村中闻有此人，咸来问讯。自云先世避秦时乱，率妻子邑人来此绝境，不复出焉，遂与外人间隔。问今是何世，乃不知有汉，无论魏晋。此人一一为具言所闻，皆叹惋。余人各复延至其家，皆出酒食。停数日，辞去。此中人语云：“不足为外人道也。”(间隔 一作：隔绝) 　　既出，得其船，便扶向路，处处志之。及郡下，诣太守，说如此。太守即遣人随其往，寻向所志，遂迷，不复得路。 　　南阳刘子骥，高尚士也，闻之，欣然规往。未果，寻病终。后遂无问津者。 .
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Directory :  /home/stando/public_html/wp-content/plugins/w3-total-cache/lib/Aws/Aws/CloudFront/

Upload File :
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Current File : /home/stando/public_html/wp-content/plugins/w3-total-cache/lib/Aws/Aws/CloudFront/CookieSigner.php
<?php
namespace Aws\CloudFront;

class CookieSigner
{
    /** @var Signer */
    private $signer;

    private static $schemes = [
        'http' => true,
        'https' => true,
    ];

    /**
     * @param $keyPairId  string ID of the key pair
     * @param $privateKey string Path to the private key used for signing
     *
     * @throws \RuntimeException if the openssl extension is missing
     * @throws \InvalidArgumentException if the private key cannot be found.
     */
    public function __construct($keyPairId, $privateKey)
    {
        $this->signer = new Signer($keyPairId, $privateKey);
    }

    /**
     * Create a signed Amazon CloudFront Cookie.
     *
     * @param string              $url     URL to sign (can include query string
     *                                     and wildcards). Not required
     *                                     when passing a custom $policy.
     * @param string|integer|null $expires UTC Unix timestamp used when signing
     *                                     with a canned policy. Not required
     *                                     when passing a custom $policy.
     * @param string              $policy  JSON policy. Use this option when
     *                                     creating a signed cookie for a custom
     *                                     policy.
     *
     * @return array The authenticated cookie parameters
     * @throws \InvalidArgumentException if the URL provided is invalid
     * @link http://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/private-content-signed-cookies.html
     */
    public function getSignedCookie($url = null, $expires = null, $policy = null)
    {
        if ($url) {
            $this->validateUrl($url);
        }

        $cookieParameters = [];
        $signature = $this->signer->getSignature($url, $expires, $policy);
        foreach ($signature as $key => $value) {
            $cookieParameters["CloudFront-$key"] = $value;
        }

        return $cookieParameters;
    }

    private function validateUrl($url)
    {
        $scheme = str_replace('*', '', explode('://', $url)[0]);
        if (empty(self::$schemes[strtolower($scheme)])) {
            throw new \InvalidArgumentException('Invalid or missing URI scheme');
        }
    }
}

haha - 2025