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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;
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/**
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 * Represents a cookie.
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 *
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 * @author Johannes M. Schmitt <schmittjoh@gmail.com>
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 */
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class Cookie
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{
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    protected $name;
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    protected $value;
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    protected $domain;
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    protected $expire;
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    protected $path;
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    protected $secure;
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    protected $httpOnly;
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    /**
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     * Constructor.
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     *
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     * @param string                        $name     The name of the cookie
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     * @param string                        $value    The value of the cookie
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     * @param int|string|\DateTimeInterface $expire   The time the cookie expires
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     * @param string                        $path     The path on the server in which the cookie will be available on
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     * @param string                        $domain   The domain that the cookie is available to
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     * @param bool                          $secure   Whether the cookie should only be transmitted over a secure HTTPS connection from the client
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     * @param bool                          $httpOnly Whether the cookie will be made accessible only through the HTTP protocol
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     *
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     * @throws \InvalidArgumentException
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     */
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    public function __construct($name, $value = null, $expire = 0, $path = '/', $domain = null, $secure = false, $httpOnly = true)
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    {
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        // from PHP source code
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        if (preg_match("/[=,; \t\r\n\013\014]/", $name)) {
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            throw new \InvalidArgumentException(sprintf('The cookie name "%s" contains invalid characters.', $name));
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        }
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        if (empty($name)) {
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            throw new \InvalidArgumentException('The cookie name cannot be empty.');
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        }
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        // convert expiration time to a Unix timestamp
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        if ($expire instanceof \DateTimeInterface) {
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            $expire = $expire->format('U');
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        } elseif (!is_numeric($expire)) {
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            $expire = strtotime($expire);
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            if (false === $expire || -1 === $expire) {
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                throw new \InvalidArgumentException('The cookie expiration time is not valid.');
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            }
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        }
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        $this->name = $name;
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        $this->value = $value;
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        $this->domain = $domain;
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        $this->expire = $expire;
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        $this->path = empty($path) ? '/' : $path;
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        $this->secure = (bool) $secure;
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        $this->httpOnly = (bool) $httpOnly;
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    }
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    /**
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     * Returns the cookie as a string.
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     *
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     * @return string The cookie
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     */
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    public function __toString()
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    {
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        $str = urlencode($this->getName()).'=';
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        if ('' === (string) $this->getValue()) {
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            $str .= 'deleted; expires='.gmdate('D, d-M-Y H:i:s T', time() - 31536001);
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        } else {
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            $str .= urlencode($this->getValue());
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            if ($this->getExpiresTime() !== 0) {
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                $str .= '; expires='.gmdate('D, d-M-Y H:i:s T', $this->getExpiresTime());
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            }
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        }
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        if ($this->path) {
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            $str .= '; path='.$this->path;
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        }
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        if ($this->getDomain()) {
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            $str .= '; domain='.$this->getDomain();
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        }
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        if (true === $this->isSecure()) {
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            $str .= '; secure';
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        }
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        if (true === $this->isHttpOnly()) {
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            $str .= '; httponly';
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        }
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        return $str;
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    }
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    /**
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     * Gets the name of the cookie.
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     *
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     * @return string
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     */
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    public function getName()
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    {
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        return $this->name;
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    }
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    /**
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     * Gets the value of the cookie.
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     *
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     * @return string
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     */
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    public function getValue()
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    {
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        return $this->value;
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    }
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    /**
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     * Gets the domain that the cookie is available to.
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     *
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     * @return string
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     */
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    public function getDomain()
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    {
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        return $this->domain;
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    }
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    /**
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     * Gets the time the cookie expires.
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     *
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     * @return int
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     */
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    public function getExpiresTime()
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    {
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        return $this->expire;
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    }
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    /**
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     * Gets the path on the server in which the cookie will be available on.
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     *
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     * @return string
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     */
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    public function getPath()
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    {
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        return $this->path;
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    }
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    /**
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     * Checks whether the cookie should only be transmitted over a secure HTTPS connection from the client.
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     *
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     * @return bool
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     */
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    public function isSecure()
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    {
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        return $this->secure;
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    }
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    /**
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     * Checks whether the cookie will be made accessible only through the HTTP protocol.
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     *
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     * @return bool
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     */
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    public function isHttpOnly()
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    {
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        return $this->httpOnly;
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    }
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    /**
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     * Whether this cookie is about to be cleared.
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     *
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     * @return bool
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     */
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    public function isCleared()
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    {
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        return $this->expire < time();
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    }
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}
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