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