mirror of
https://github.com/silverstripe/silverstripe-framework
synced 2024-06-15 09:11:38 +02:00
680b19a1da
Note that the best solution to this will be to remove the use of SimpleTest entirely. This is quick fix is intended to help us get PHP7 tests running without needing to cross that bridge.
381 lines
12 KiB
PHP
381 lines
12 KiB
PHP
<?php
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/**
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* Base include file for SimpleTest
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* @package SimpleTest
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* @subpackage WebTester
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* @version $Id: cookies.php 1723 2008-04-08 00:34:10Z lastcraft $
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*/
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/**#@+
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* include other SimpleTest class files
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*/
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require_once(dirname(__FILE__) . '/url.php');
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/**#@-*/
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/**
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* Cookie data holder. Cookie rules are full of pretty
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* arbitary stuff. I have used...
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* http://wp.netscape.com/newsref/std/cookie_spec.html
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* http://www.cookiecentral.com/faq/
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* @package SimpleTest
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* @subpackage WebTester
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*/
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class SimpleCookie {
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var $_host;
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var $_name;
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var $_value;
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var $_path;
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var $_expiry;
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var $_is_secure;
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/**
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* Constructor. Sets the stored values.
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* @param string $name Cookie key.
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* @param string $value Value of cookie.
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* @param string $path Cookie path if not host wide.
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* @param string $expiry Expiry date as string.
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* @param boolean $is_secure Currently ignored.
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*/
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function __construct($name, $value = false, $path = false, $expiry = false, $is_secure = false) {
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$this->_host = false;
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$this->_name = $name;
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$this->_value = $value;
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$this->_path = ($path ? $this->_fixPath($path) : "/");
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$this->_expiry = false;
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if (is_string($expiry)) {
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$this->_expiry = strtotime($expiry);
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} elseif (is_integer($expiry)) {
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$this->_expiry = $expiry;
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}
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$this->_is_secure = $is_secure;
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}
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/**
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* Sets the host. The cookie rules determine
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* that the first two parts are taken for
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* certain TLDs and three for others. If the
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* new host does not match these rules then the
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* call will fail.
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* @param string $host New hostname.
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* @return boolean True if hostname is valid.
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* @access public
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*/
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function setHost($host) {
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if ($host = $this->_truncateHost($host)) {
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$this->_host = $host;
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return true;
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}
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return false;
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}
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/**
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* Accessor for the truncated host to which this
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* cookie applies.
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* @return string Truncated hostname.
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* @access public
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*/
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function getHost() {
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return $this->_host;
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}
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/**
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* Test for a cookie being valid for a host name.
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* @param string $host Host to test against.
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* @return boolean True if the cookie would be valid
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* here.
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*/
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function isValidHost($host) {
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return ($this->_truncateHost($host) === $this->getHost());
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}
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/**
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* Extracts just the domain part that determines a
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* cookie's host validity.
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* @param string $host Host name to truncate.
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* @return string Domain or false on a bad host.
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* @access private
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*/
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function _truncateHost($host) {
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$tlds = SimpleUrl::getAllTopLevelDomains();
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if (preg_match('/[a-z\-]+\.(' . $tlds . ')$/i', $host, $matches)) {
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return $matches[0];
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} elseif (preg_match('/[a-z\-]+\.[a-z\-]+\.[a-z\-]+$/i', $host, $matches)) {
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return $matches[0];
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}
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return false;
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}
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/**
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* Accessor for name.
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* @return string Cookie key.
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* @access public
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*/
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function getName() {
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return $this->_name;
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}
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/**
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* Accessor for value. A deleted cookie will
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* have an empty string for this.
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* @return string Cookie value.
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* @access public
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*/
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function getValue() {
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return $this->_value;
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}
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/**
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* Accessor for path.
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* @return string Valid cookie path.
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* @access public
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*/
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function getPath() {
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return $this->_path;
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}
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/**
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* Tests a path to see if the cookie applies
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* there. The test path must be longer or
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* equal to the cookie path.
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* @param string $path Path to test against.
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* @return boolean True if cookie valid here.
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* @access public
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*/
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function isValidPath($path) {
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return (strncmp(
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$this->_fixPath($path),
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$this->getPath(),
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strlen($this->getPath())) == 0);
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}
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/**
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* Accessor for expiry.
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* @return string Expiry string.
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* @access public
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*/
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function getExpiry() {
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if (! $this->_expiry) {
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return false;
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}
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return gmdate("D, d M Y H:i:s", $this->_expiry) . " GMT";
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}
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/**
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* Test to see if cookie is expired against
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* the cookie format time or timestamp.
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* Will give true for a session cookie.
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* @param integer/string $now Time to test against. Result
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* will be false if this time
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* is later than the cookie expiry.
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* Can be either a timestamp integer
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* or a cookie format date.
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* @access public
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*/
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function isExpired($now) {
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if (! $this->_expiry) {
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return true;
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}
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if (is_string($now)) {
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$now = strtotime($now);
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}
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return ($this->_expiry < $now);
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}
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/**
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* Ages the cookie by the specified number of
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* seconds.
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* @param integer $interval In seconds.
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* @public
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*/
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function agePrematurely($interval) {
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if ($this->_expiry) {
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$this->_expiry -= $interval;
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}
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}
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/**
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* Accessor for the secure flag.
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* @return boolean True if cookie needs SSL.
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* @access public
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*/
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function isSecure() {
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return $this->_is_secure;
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}
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/**
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* Adds a trailing and leading slash to the path
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* if missing.
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* @param string $path Path to fix.
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* @access private
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*/
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function _fixPath($path) {
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if (substr($path, 0, 1) != '/') {
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$path = '/' . $path;
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}
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if (substr($path, -1, 1) != '/') {
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$path .= '/';
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}
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return $path;
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}
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}
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/**
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* Repository for cookies. This stuff is a
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* tiny bit browser dependent.
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* @package SimpleTest
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* @subpackage WebTester
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*/
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class SimpleCookieJar {
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var $_cookies;
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/**
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* Constructor. Jar starts empty.
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* @access public
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*/
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function __construct() {
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$this->_cookies = array();
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}
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/**
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* Removes expired and temporary cookies as if
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* the browser was closed and re-opened.
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* @param string/integer $now Time to test expiry against.
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* @access public
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*/
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function restartSession($date = false) {
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$surviving_cookies = array();
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for ($i = 0; $i < count($this->_cookies); $i++) {
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if (! $this->_cookies[$i]->getValue()) {
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continue;
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}
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if (! $this->_cookies[$i]->getExpiry()) {
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continue;
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}
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if ($date && $this->_cookies[$i]->isExpired($date)) {
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continue;
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}
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$surviving_cookies[] = $this->_cookies[$i];
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}
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$this->_cookies = $surviving_cookies;
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}
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/**
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* Ages all cookies in the cookie jar.
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* @param integer $interval The old session is moved
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* into the past by this number
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* of seconds. Cookies now over
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* age will be removed.
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* @access public
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*/
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function agePrematurely($interval) {
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for ($i = 0; $i < count($this->_cookies); $i++) {
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$this->_cookies[$i]->agePrematurely($interval);
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}
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}
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/**
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* Sets an additional cookie. If a cookie has
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* the same name and path it is replaced.
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* @param string $name Cookie key.
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* @param string $value Value of cookie.
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* @param string $host Host upon which the cookie is valid.
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* @param string $path Cookie path if not host wide.
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* @param string $expiry Expiry date.
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* @access public
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*/
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function setCookie($name, $value, $host = false, $path = '/', $expiry = false) {
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$cookie = new SimpleCookie($name, $value, $path, $expiry);
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if ($host) {
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$cookie->setHost($host);
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}
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$this->_cookies[$this->_findFirstMatch($cookie)] = $cookie;
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}
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/**
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* Finds a matching cookie to write over or the
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* first empty slot if none.
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* @param SimpleCookie $cookie Cookie to write into jar.
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* @return integer Available slot.
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* @access private
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*/
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function _findFirstMatch($cookie) {
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for ($i = 0; $i < count($this->_cookies); $i++) {
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$is_match = $this->_isMatch(
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$cookie,
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$this->_cookies[$i]->getHost(),
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$this->_cookies[$i]->getPath(),
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$this->_cookies[$i]->getName());
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if ($is_match) {
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return $i;
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}
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}
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return count($this->_cookies);
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}
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/**
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* Reads the most specific cookie value from the
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* browser cookies. Looks for the longest path that
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* matches.
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* @param string $host Host to search.
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* @param string $path Applicable path.
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* @param string $name Name of cookie to read.
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* @return string False if not present, else the
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* value as a string.
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* @access public
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*/
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function getCookieValue($host, $path, $name) {
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$longest_path = '';
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foreach ($this->_cookies as $cookie) {
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if ($this->_isMatch($cookie, $host, $path, $name)) {
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if (strlen($cookie->getPath()) > strlen($longest_path)) {
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$value = $cookie->getValue();
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$longest_path = $cookie->getPath();
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}
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}
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}
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return (isset($value) ? $value : false);
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}
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/**
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* Tests cookie for matching against search
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* criteria.
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* @param SimpleTest $cookie Cookie to test.
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* @param string $host Host must match.
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* @param string $path Cookie path must be shorter than
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* this path.
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* @param string $name Name must match.
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* @return boolean True if matched.
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* @access private
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*/
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function _isMatch($cookie, $host, $path, $name) {
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if ($cookie->getName() != $name) {
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return false;
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}
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if ($host && $cookie->getHost() && ! $cookie->isValidHost($host)) {
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return false;
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}
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if (! $cookie->isValidPath($path)) {
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return false;
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}
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return true;
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}
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/**
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* Uses a URL to sift relevant cookies by host and
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* path. Results are list of strings of form "name=value".
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* @param SimpleUrl $url Url to select by.
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* @return array Valid name and value pairs.
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* @access public
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*/
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function selectAsPairs($url) {
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$pairs = array();
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foreach ($this->_cookies as $cookie) {
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if ($this->_isMatch($cookie, $url->getHost(), $url->getPath(), $cookie->getName())) {
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$pairs[] = $cookie->getName() . '=' . $cookie->getValue();
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}
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}
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return $pairs;
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}
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}
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?>
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