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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\BrowserKit;
/**
* Cookie represents an HTTP cookie.
*
* @author Fabien Potencier <fabien@symfony.com>
*
* @api
*/
class Cookie
{
/**
* Handles dates as defined by RFC 2616 section 3.3.1, and also some other
* non-standard, but common formats.
*
* @var array
*/
private static $dateFormats = array(
'D, d M Y H:i:s T',
'D, d-M-y H:i:s T',
'D, d-M-Y H:i:s T',
'D, d-m-y H:i:s T',
'D, d-m-Y H:i:s T',
'D M j G:i:s Y',
'D M d H:i:s Y T',
);
protected $name;
protected $value;
protected $expires;
protected $path;
protected $domain;
protected $secure;
protected $httponly;
protected $rawValue;
/**
* Sets a cookie.
*
* @param string $name The cookie name
* @param string $value The value of the cookie
* @param string $expires 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
* @param Boolean $secure Indicates that the cookie should only be transmitted over a secure HTTPS connection from the client
* @param Boolean $httponly The cookie httponly flag
* @param Boolean $encodedValue Whether the value is encoded or not
*
* @api
*/
public function __construct($name, $value, $expires = null, $path = null, $domain = '', $secure = false, $httponly = true, $encodedValue = false)
{
if ($encodedValue) {
$this->value = urldecode($value);
$this->rawValue = $value;
} else {
$this->value = $value;
$this->rawValue = urlencode($value);
}
$this->name = $name;
$this->expires = null === $expires ? null : (integer) $expires;
$this->path = empty($path) ? '/' : $path;
$this->domain = $domain;
$this->secure = (Boolean) $secure;
$this->httponly = (Boolean) $httponly;
}
/**
* Returns the HTTP representation of the Cookie.
*
* @return string The HTTP representation of the Cookie
*
* @throws \UnexpectedValueException
*
* @api
*/
public function __toString()
{
$cookie = sprintf('%s=%s', $this->name, $this->rawValue);
if (null !== $this->expires) {
$dateTime = \DateTime::createFromFormat('U', $this->expires, new \DateTimeZone('GMT'));
if ($dateTime === false) {
throw new \UnexpectedValueException(sprintf('The cookie expiration time "%s" is not valid.'), $this->expires);
}
$cookie .= '; expires='.str_replace('+0000', '', $dateTime->format(self::$dateFormats[0]));
}
if ('' !== $this->domain) {
$cookie .= '; domain='.$this->domain;
}
if ($this->path) {
$cookie .= '; path='.$this->path;
}
if ($this->secure) {
$cookie .= '; secure';
}
if ($this->httponly) {
$cookie .= '; httponly';
}
return $cookie;
}
/**
* Creates a Cookie instance from a Set-Cookie header value.
*
* @param string $cookie A Set-Cookie header value
* @param string $url The base URL
*
* @return Cookie A Cookie instance
*
* @throws \InvalidArgumentException
*
* @api
*/
public static function fromString($cookie, $url = null)
{
$parts = explode(';', $cookie);
if (false === strpos($parts[0], '=')) {
throw new \InvalidArgumentException(sprintf('The cookie string "%s" is not valid.', $parts[0]));
}
list($name, $value) = explode('=', array_shift($parts), 2);
$values = array(
'name' => trim($name),
'value' => trim($value),
'expires' => null,
'path' => '/',
'domain' => '',
'secure' => false,
'httponly' => false,
'passedRawValue' => true,
);
if (null !== $url) {
if ((false === $urlParts = parse_url($url)) || !isset($urlParts['host']) || !isset($urlParts['path'])) {
throw new \InvalidArgumentException(sprintf('The URL "%s" is not valid.', $url));
}
$values['domain'] = $urlParts['host'];
$values['path'] = substr($urlParts['path'], 0, strrpos($urlParts['path'], '/'));
}
foreach ($parts as $part) {
$part = trim($part);
if ('secure' === strtolower($part)) {
// Ignore the secure flag if the original URI is not given or is not HTTPS
if (!$url || !isset($urlParts['scheme']) || 'https' != $urlParts['scheme']) {
continue;
}
$values['secure'] = true;
continue;
}
if ('httponly' === strtolower($part)) {
$values['httponly'] = true;
continue;
}
if (2 === count($elements = explode('=', $part, 2))) {
if ('expires' === strtolower($elements[0])) {
$elements[1] = self::parseDate($elements[1]);
}
$values[strtolower($elements[0])] = $elements[1];
}
}
return new static(
$values['name'],
$values['value'],
$values['expires'],
$values['path'],
$values['domain'],
$values['secure'],
$values['httponly'],
$values['passedRawValue']
);
}
private static function parseDate($dateValue)
{
// trim single quotes around date if present
if (($length = strlen($dateValue)) > 1 && "'" === $dateValue[0] && "'" === $dateValue[$length-1]) {
$dateValue = substr($dateValue, 1, -1);
}
foreach (self::$dateFormats as $dateFormat) {
if (false !== $date = \DateTime::createFromFormat($dateFormat, $dateValue, new \DateTimeZone('GMT'))) {
return $date->getTimestamp();
}
}
// attempt a fallback for unusual formatting
if (false !== $date = date_create($dateValue, new \DateTimeZone('GMT'))) {
return $date->getTimestamp();
}
throw new \InvalidArgumentException(sprintf('Could not parse date "%s".', $dateValue));
}
/**
* Gets the name of the cookie.
*
* @return string The cookie name
*
* @api
*/
public function getName()
{
return $this->name;
}
/**
* Gets the value of the cookie.
*
* @return string The cookie value
*
* @api
*/
public function getValue()
{
return $this->value;
}
/**
* Gets the raw value of the cookie.
*
* @return string The cookie value
*
* @api
*/
public function getRawValue()
{
return $this->rawValue;
}
/**
* Gets the expires time of the cookie.
*
* @return string The cookie expires time
*
* @api
*/
public function getExpiresTime()
{
return $this->expires;
}
/**
* Gets the path of the cookie.
*
* @return string The cookie path
*
* @api
*/
public function getPath()
{
return $this->path;
}
/**
* Gets the domain of the cookie.
*
* @return string The cookie domain
*
* @api
*/
public function getDomain()
{
return $this->domain;
}
/**
* Returns the secure flag of the cookie.
*
* @return Boolean The cookie secure flag
*
* @api
*/
public function isSecure()
{
return $this->secure;
}
/**
* Returns the httponly flag of the cookie.
*
* @return Boolean The cookie httponly flag
*
* @api
*/
public function isHttpOnly()
{
return $this->httponly;
}
/**
* Returns true if the cookie has expired.
*
* @return Boolean true if the cookie has expired, false otherwise
*
* @api
*/
public function isExpired()
{
return null !== $this->expires && 0 !== $this->expires && $this->expires < time();
}
}