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<?php
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namespace GuzzleHttp\Cookie;
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/**
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 * Persists cookies in the client session
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 */
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class SessionCookieJar extends CookieJar
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{
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    /** @var string session key */
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    private $sessionKey;
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    /** @var bool Control whether to persist session cookies or not. */
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    private $storeSessionCookies;
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    /**
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     * Create a new SessionCookieJar object
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     *
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     * @param string $sessionKey        Session key name to store the cookie
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     *                                  data in session
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     * @param bool $storeSessionCookies Set to true to store session cookies
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     *                                  in the cookie jar.
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     */
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    public function __construct($sessionKey, $storeSessionCookies = false)
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    {
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        $this->sessionKey = $sessionKey;
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        $this->storeSessionCookies = $storeSessionCookies;
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        $this->load();
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    }
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    /**
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     * Saves cookies to session when shutting down
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     */
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    public function __destruct()
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    {
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        $this->save();
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    }
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    /**
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     * Save cookies to the client session
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     */
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    public function save()
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    {
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        $json = [];
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        foreach ($this as $cookie) {
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            /** @var SetCookie $cookie */
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            if (CookieJar::shouldPersist($cookie, $this->storeSessionCookies)) {
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                $json[] = $cookie->toArray();
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            }
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        }
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        $_SESSION[$this->sessionKey] = json_encode($json);
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    }
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    /**
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     * Load the contents of the client session into the data array
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     */
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    protected function load()
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    {
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        if (!isset($_SESSION[$this->sessionKey])) {
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            return;
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        }
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        $data = json_decode($_SESSION[$this->sessionKey], true);
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        if (is_array($data)) {
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            foreach ($data as $cookie) {
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                $this->setCookie(new SetCookie($cookie));
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            }
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        } elseif (strlen($data)) {
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            throw new \RuntimeException("Invalid cookie data");
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        }
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    }
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}