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path: root/applications/core/lib/Zend/Http/CookieJar.php
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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 [email protected] so we can send you a copy immediately.
+ *
+ * @category Zend
+ * @package Zend_Http
+ * @subpackage CookieJar
+ * @version $Id: CookieJar.php 13641 2009-01-14 21:58:25Z doctorrock83 $
+ * @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com/)
+ * @license http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+require_once "Zend/Uri.php";
+require_once "Zend/Http/Cookie.php";
+require_once "Zend/Http/Response.php";
+
+/**
+ * A Zend_Http_CookieJar object is designed to contain and maintain HTTP cookies, and should
+ * be used along with Zend_Http_Client in order to manage cookies across HTTP requests and
+ * responses.
+ *
+ * The class contains an array of Zend_Http_Cookie objects. Cookies can be added to the jar
+ * automatically from a request or manually. Then, the jar can find and return the cookies
+ * needed for a specific HTTP request.
+ *
+ * A special parameter can be passed to all methods of this class that return cookies: Cookies
+ * can be returned either in their native form (as Zend_Http_Cookie objects) or as strings -
+ * the later is suitable for sending as the value of the "Cookie" header in an HTTP request.
+ * You can also choose, when returning more than one cookie, whether to get an array of strings
+ * (by passing Zend_Http_CookieJar::COOKIE_STRING_ARRAY) or one unified string for all cookies
+ * (by passing Zend_Http_CookieJar::COOKIE_STRING_CONCAT).
+ *
+ * @link http://wp.netscape.com/newsref/std/cookie_spec.html for some specs.
+ *
+ * @category Zend
+ * @package Zend_Http
+ * @subpackage CookieJar
+ * @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_CookieJar implements Countable, IteratorAggregate
+{
+ /**
+ * Return cookie(s) as a Zend_Http_Cookie object
+ *
+ */
+ const COOKIE_OBJECT = 0;
+
+ /**
+ * Return cookie(s) as a string (suitable for sending in an HTTP request)
+ *
+ */
+ const COOKIE_STRING_ARRAY = 1;
+
+ /**
+ * Return all cookies as one long string (suitable for sending in an HTTP request)
+ *
+ */
+ const COOKIE_STRING_CONCAT = 2;
+
+ /**
+ * Array storing cookies
+ *
+ * Cookies are stored according to domain and path:
+ * $cookies
+ * + www.mydomain.com
+ * + /
+ * - cookie1
+ * - cookie2
+ * + /somepath
+ * - othercookie
+ * + www.otherdomain.net
+ * + /
+ * - alsocookie
+ *
+ * @var array
+ */
+ protected $cookies = array();
+
+ /**
+ * The Zend_Http_Cookie array
+ *
+ * @var array
+ */
+ protected $_rawCookies = array();
+
+ /**
+ * Construct a new CookieJar object
+ *
+ */
+ public function __construct()
+ { }
+
+ /**
+ * Add a cookie to the jar. Cookie should be passed either as a Zend_Http_Cookie object
+ * or as a string - in which case an object is created from the string.
+ *
+ * @param Zend_Http_Cookie|string $cookie
+ * @param Zend_Uri_Http|string $ref_uri Optional reference URI (for domain, path, secure)
+ */
+ public function addCookie($cookie, $ref_uri = null)
+ {
+ if (is_string($cookie)) {
+ $cookie = Zend_Http_Cookie::fromString($cookie, $ref_uri);
+ }
+
+ if ($cookie instanceof Zend_Http_Cookie) {
+ $domain = $cookie->getDomain();
+ $path = $cookie->getPath();
+ if (! isset($this->cookies[$domain])) $this->cookies[$domain] = array();
+ if (! isset($this->cookies[$domain][$path])) $this->cookies[$domain][$path] = array();
+ $this->cookies[$domain][$path][$cookie->getName()] = $cookie;
+ $this->_rawCookies[] = $cookie;
+ } else {
+ require_once 'Zend/Http/Exception.php';
+ throw new Zend_Http_Exception('Supplient argument is not a valid cookie string or object');
+ }
+ }
+
+ /**
+ * Parse an HTTP response, adding all the cookies set in that response
+ * to the cookie jar.
+ *
+ * @param Zend_Http_Response $response
+ * @param Zend_Uri_Http|string $ref_uri Requested URI
+ */
+ public function addCookiesFromResponse($response, $ref_uri)
+ {
+ if (! $response instanceof Zend_Http_Response) {
+ require_once 'Zend/Http/Exception.php';
+ throw new Zend_Http_Exception('$response is expected to be a Response object, ' .
+ gettype($response) . ' was passed');
+ }
+
+ $cookie_hdrs = $response->getHeader('Set-Cookie');
+
+ if (is_array($cookie_hdrs)) {
+ foreach ($cookie_hdrs as $cookie) {
+ $this->addCookie($cookie, $ref_uri);
+ }
+ } elseif (is_string($cookie_hdrs)) {
+ $this->addCookie($cookie_hdrs, $ref_uri);
+ }
+ }
+
+ /**
+ * Get all cookies in the cookie jar as an array
+ *
+ * @param int $ret_as Whether to return cookies as objects of Zend_Http_Cookie or as strings
+ * @return array|string
+ */
+ public function getAllCookies($ret_as = self::COOKIE_OBJECT)
+ {
+ $cookies = $this->_flattenCookiesArray($this->cookies, $ret_as);
+ return $cookies;
+ }
+
+ /**
+ * Return an array of all cookies matching a specific request according to the request URI,
+ * whether session cookies should be sent or not, and the time to consider as "now" when
+ * checking cookie expiry time.
+ *
+ * @param string|Zend_Uri_Http $uri URI to check against (secure, domain, path)
+ * @param boolean $matchSessionCookies Whether to send session cookies
+ * @param int $ret_as Whether to return cookies as objects of Zend_Http_Cookie or as strings
+ * @param int $now Override the current time when checking for expiry time
+ * @return array|string
+ */
+ public function getMatchingCookies($uri, $matchSessionCookies = true,
+ $ret_as = self::COOKIE_OBJECT, $now = null)
+ {
+ if (is_string($uri)) $uri = Zend_Uri::factory($uri);
+ if (! $uri instanceof Zend_Uri_Http) {
+ require_once 'Zend/Http/Exception.php';
+ throw new Zend_Http_Exception("Invalid URI string or object passed");
+ }
+
+ // Set path
+ $path = $uri->getPath();
+ $path = substr($path, 0, strrpos($path, '/'));
+ if (! $path) $path = '/';
+
+ // First, reduce the array of cookies to only those matching domain and path
+ $cookies = $this->_matchDomain($uri->getHost());
+ $cookies = $this->_matchPath($cookies, $path);
+ $cookies = $this->_flattenCookiesArray($cookies, self::COOKIE_OBJECT);
+
+ // Next, run Cookie->match on all cookies to check secure, time and session mathcing
+ $ret = array();
+ foreach ($cookies as $cookie)
+ if ($cookie->match($uri, $matchSessionCookies, $now))
+ $ret[] = $cookie;
+
+ // Now, use self::_flattenCookiesArray again - only to convert to the return format ;)
+ $ret = $this->_flattenCookiesArray($ret, $ret_as);
+
+ return $ret;
+ }
+
+ /**
+ * Get a specific cookie according to a URI and name
+ *
+ * @param Zend_Uri_Http|string $uri The uri (domain and path) to match
+ * @param string $cookie_name The cookie's name
+ * @param int $ret_as Whether to return cookies as objects of Zend_Http_Cookie or as strings
+ * @return Zend_Http_Cookie|string
+ */
+ public function getCookie($uri, $cookie_name, $ret_as = self::COOKIE_OBJECT)
+ {
+ if (is_string($uri)) {
+ $uri = Zend_Uri::factory($uri);
+ }
+
+ if (! $uri instanceof Zend_Uri_Http) {
+ require_once 'Zend/Http/Exception.php';
+ throw new Zend_Http_Exception('Invalid URI specified');
+ }
+
+ // Get correct cookie path
+ $path = $uri->getPath();
+ $path = substr($path, 0, strrpos($path, '/'));
+ if (! $path) $path = '/';
+
+ if (isset($this->cookies[$uri->getHost()][$path][$cookie_name])) {
+ $cookie = $this->cookies[$uri->getHost()][$path][$cookie_name];
+
+ switch ($ret_as) {
+ case self::COOKIE_OBJECT:
+ return $cookie;
+ break;
+
+ case self::COOKIE_STRING_ARRAY:
+ case self::COOKIE_STRING_CONCAT:
+ return $cookie->__toString();
+ break;
+
+ default:
+ require_once 'Zend/Http/Exception.php';
+ throw new Zend_Http_Exception("Invalid value passed for \$ret_as: {$ret_as}");
+ break;
+ }
+ } else {
+ return false;
+ }
+ }
+
+ /**
+ * Helper function to recursivly flatten an array. Shoud be used when exporting the
+ * cookies array (or parts of it)
+ *
+ * @param Zend_Http_Cookie|array $ptr
+ * @param int $ret_as What value to return
+ * @return array|string
+ */
+ protected function _flattenCookiesArray($ptr, $ret_as = self::COOKIE_OBJECT) {
+ if (is_array($ptr)) {
+ $ret = ($ret_as == self::COOKIE_STRING_CONCAT ? '' : array());
+ foreach ($ptr as $item) {
+ if ($ret_as == self::COOKIE_STRING_CONCAT) {
+ $ret .= $this->_flattenCookiesArray($item, $ret_as);
+ } else {
+ $ret = array_merge($ret, $this->_flattenCookiesArray($item, $ret_as));
+ }
+ }
+ return $ret;
+ } elseif ($ptr instanceof Zend_Http_Cookie) {
+ switch ($ret_as) {
+ case self::COOKIE_STRING_ARRAY:
+ return array($ptr->__toString());
+ break;
+
+ case self::COOKIE_STRING_CONCAT:
+ return $ptr->__toString();
+ break;
+
+ case self::COOKIE_OBJECT:
+ default:
+ return array($ptr);
+ break;
+ }
+ }
+
+ return null;
+ }
+
+ /**
+ * Return a subset of the cookies array matching a specific domain
+ *
+ * Returned array is actually an array of pointers to items in the $this->cookies array.
+ *
+ * @param string $domain
+ * @return array
+ */
+ protected function _matchDomain($domain) {
+ $ret = array();
+
+ foreach (array_keys($this->cookies) as $cdom) {
+ $regex = "/" . preg_quote($cdom, "/") . "$/i";
+ if (preg_match($regex, $domain)) $ret[$cdom] = &$this->cookies[$cdom];
+ }
+
+ return $ret;
+ }
+
+ /**
+ * Return a subset of a domain-matching cookies that also match a specified path
+ *
+ * Returned array is actually an array of pointers to items in the $passed array.
+ *
+ * @param array $dom_array
+ * @param string $path
+ * @return array
+ */
+ protected function _matchPath($domains, $path) {
+ $ret = array();
+ if (substr($path, -1) != '/') $path .= '/';
+
+ foreach ($domains as $dom => $paths_array) {
+ foreach (array_keys($paths_array) as $cpath) {
+ $regex = "|^" . preg_quote($cpath, "|") . "|i";
+ if (preg_match($regex, $path)) {
+ if (! isset($ret[$dom])) $ret[$dom] = array();
+ $ret[$dom][$cpath] = &$paths_array[$cpath];
+ }
+ }
+ }
+
+ return $ret;
+ }
+
+ /**
+ * Create a new CookieJar object and automatically load into it all the
+ * cookies set in an Http_Response object. If $uri is set, it will be
+ * considered as the requested URI for setting default domain and path
+ * of the cookie.
+ *
+ * @param Zend_Http_Response $response HTTP Response object
+ * @param Zend_Uri_Http|string $uri The requested URI
+ * @return Zend_Http_CookieJar
+ * @todo Add the $uri functionality.
+ */
+ public static function fromResponse(Zend_Http_Response $response, $ref_uri)
+ {
+ $jar = new self();
+ $jar->addCookiesFromResponse($response, $ref_uri);
+ return $jar;
+ }
+
+ /**
+ * Required by Countable interface
+ *
+ * @return int
+ */
+ public function count()
+ {
+ return count($this->_rawCookies);
+ }
+
+ /**
+ * Required by IteratorAggregate interface
+ *
+ * @return ArrayIterator
+ */
+ public function getIterator()
+ {
+ return new ArrayIterator($this->_rawCookies);
+ }
+
+ /**
+ * Tells if the jar is empty of any cookie
+ *
+ * @return bool
+ */
+ public function isEmpty()
+ {
+ return count($this) == 0;
+ }
+
+ /**
+ * Empties the cookieJar of any cookie
+ *
+ * @return Zend_Http_CookieJar
+ */
+ public function reset()
+ {
+ $this->cookies = $this->_rawCookies = array();
+ return $this;
+ }
+}
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