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Copy pathCookie.php
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327 lines (294 loc) · 9 KB
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<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@zend.com so we can send you a copy immediately.
*
* @category Zend
* @package Zend_Http
* @subpackage Cookie
* @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com/)
* @version $Id: Cookie.php 9098 2008-03-30 19:29:10Z thomas $
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
require_once 'Zend/Uri/Http.php';
/**
* Zend_Http_Cookie is a class describing an HTTP cookie and all it's parameters.
*
* Zend_Http_Cookie is a class describing an HTTP cookie and all it's parameters. The
* class also enables validating whether the cookie should be sent to the server in
* a specified scenario according to the request URI, the expiry time and whether
* session cookies should be used or not. Generally speaking cookies should be
* contained in a Cookiejar object, or instantiated manually and added to an HTTP
* request.
*
* See http://wp.netscape.com/newsref/std/cookie_spec.html for some specs.
*
* @category Zend
* @package Zend_Http
* @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com/)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Http_Cookie
{
/**
* Cookie name
*
* @var string
*/
protected $name;
/**
* Cookie value
*
* @var string
*/
protected $value;
/**
* Cookie expiry date
*
* @var int
*/
protected $expires;
/**
* Cookie domain
*
* @var string
*/
protected $domain;
/**
* Cookie path
*
* @var string
*/
protected $path;
/**
* Whether the cookie is secure or not
*
* @var boolean
*/
protected $secure;
/**
* Cookie object constructor
*
* @todo Add validation of each one of the parameters (legal domain, etc.)
*
* @param string $name
* @param string $value
* @param int $expires
* @param string $domain
* @param string $path
* @param bool $secure
*/
public function __construct($name, $value, $domain, $expires = null, $path = null, $secure = false)
{
if (preg_match("/[=,; \t\r\n\013\014]/", $name)) {
require_once 'Zend/Http/Exception.php';
throw new Zend_Http_Exception("Cookie name cannot contain these characters: =,; \\t\\r\\n\\013\\014 ({$name})");
}
if (! $this->name = (string) $name) {
require_once 'Zend/Http/Exception.php';
throw new Zend_Http_Exception('Cookies must have a name');
}
if (! $this->domain = (string) $domain) {
require_once 'Zend/Http/Exception.php';
throw new Zend_Http_Exception('Cookies must have a domain');
}
$this->value = (string) $value;
$this->expires = ($expires === null ? null : (int) $expires);
$this->path = ($path ? $path : '/');
$this->secure = $secure;
}
/**
* Get Cookie name
*
* @return string
*/
public function getName()
{
return $this->name;
}
/**
* Get cookie value
*
* @return string
*/
public function getValue()
{
return $this->value;
}
/**
* Get cookie domain
*
* @return string
*/
public function getDomain()
{
return $this->domain;
}
/**
* Get the cookie path
*
* @return string
*/
public function getPath()
{
return $this->path;
}
/**
* Get the expiry time of the cookie, or null if no expiry time is set
*
* @return int|null
*/
public function getExpiryTime()
{
return $this->expires;
}
/**
* Check whether the cookie should only be sent over secure connections
*
* @return boolean
*/
public function isSecure()
{
return $this->secure;
}
/**
* Check whether the cookie has expired
*
* Always returns false if the cookie is a session cookie (has no expiry time)
*
* @param int $now Timestamp to consider as "now"
* @return boolean
*/
public function isExpired($now = null)
{
if ($now === null) $now = time();
if (is_int($this->expires) && $this->expires < $now) {
return true;
} else {
return false;
}
}
/**
* Check whether the cookie is a session cookie (has no expiry time set)
*
* @return boolean
*/
public function isSessionCookie()
{
return ($this->expires === null);
}
/**
* Checks whether the cookie should be sent or not in a specific scenario
*
* @param string|Zend_Uri_Http $uri URI to check against (secure, domain, path)
* @param boolean $matchSessionCookies Whether to send session cookies
* @param int $now Override the current time when checking for expiry time
* @return boolean
*/
public function match($uri, $matchSessionCookies = true, $now = null)
{
if (is_string ($uri)) {
$uri = Zend_Uri_Http::factory($uri);
}
// Make sure we have a valid Zend_Uri_Http object
if (! ($uri->valid() && ($uri->getScheme() == 'http' || $uri->getScheme() =='https'))) {
require_once 'Zend/Http/Exception.php';
throw new Zend_Http_Exception('Passed URI is not a valid HTTP or HTTPS URI');
}
// Check that the cookie is secure (if required) and not expired
if ($this->secure && $uri->getScheme() != 'https') return false;
if ($this->isExpired($now)) return false;
if ($this->isSessionCookie() && ! $matchSessionCookies) return false;
// Validate domain and path
// Domain is validated using tail match, while path is validated using head match
$domain_preg = preg_quote($this->getDomain(), "/");
if (! preg_match("/{$domain_preg}$/", $uri->getHost())) return false;
$path_preg = preg_quote($this->getPath(), "/");
if (! preg_match("/^{$path_preg}/", $uri->getPath())) return false;
// If we didn't die until now, return true.
return true;
}
/**
* Get the cookie as a string, suitable for sending as a "Cookie" header in an
* HTTP request
*
* @return string
*/
public function __toString()
{
return $this->name . '=' . urlencode($this->value) . ';';
}
/**
* Generate a new Cookie object from a cookie string
* (for example the value of the Set-Cookie HTTP header)
*
* @param string $cookieStr
* @param Zend_Uri_Http|string $ref_uri Reference URI for default values (domain, path)
* @return Zend_Http_Cookie A new Zend_Http_Cookie object or false on failure.
*/
public static function fromString($cookieStr, $ref_uri = null)
{
// Set default values
if (is_string($ref_uri)) {
$ref_uri = Zend_Uri_Http::factory($ref_uri);
}
$name = '';
$value = '';
$domain = '';
$path = '';
$expires = null;
$secure = false;
$parts = explode(';', $cookieStr);
// If first part does not include '=', fail
if (strpos($parts[0], '=') === false) return false;
// Get the name and value of the cookie
list($name, $value) = explode('=', trim(array_shift($parts)), 2);
$name = trim($name);
$value = urldecode(trim($value));
// Set default domain and path
if ($ref_uri instanceof Zend_Uri_Http) {
$domain = $ref_uri->getHost();
$path = $ref_uri->getPath();
$path = substr($path, 0, strrpos($path, '/'));
}
// Set other cookie parameters
foreach ($parts as $part) {
$part = trim($part);
if (strtolower($part) == 'secure') {
$secure = true;
continue;
}
$keyValue = explode('=', $part, 2);
if (count($keyValue) == 2) {
list($k, $v) = $keyValue;
switch (strtolower($k)) {
case 'expires':
$expires = strtotime($v);
break;
case 'path':
$path = $v;
break;
case 'domain':
$domain = $v;
break;
default:
break;
}
}
}
if ($name !== '') {
return new Zend_Http_Cookie($name, $value, $domain, $expires, $path, $secure);
} else {
return false;
}
}
}
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