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Cookie.php
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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(); } }