mirror of
https://github.com/kamilwylegala/cakephp2-php8.git
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57ef2eba9b
git-svn-id: https://svn.cakephp.org/repo/trunk/cake@430 3807eeeb-6ff5-0310-8944-8be069107fe0
480 lines
No EOL
18 KiB
PHP
480 lines
No EOL
18 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 $Id$
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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__) . '/http.php');
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require_once(dirname(__FILE__) . '/encoding.php');
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require_once(dirname(__FILE__) . '/authentication.php');
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/**#@-*/
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if (!defined('DEFAULT_MAX_REDIRECTS')) {
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define('DEFAULT_MAX_REDIRECTS', 3);
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}
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if (!defined('DEFAULT_CONNECTION_TIMEOUT')) {
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define('DEFAULT_CONNECTION_TIMEOUT', 15);
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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 $_cookies;
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/**
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* Constructor. Jar starts empty.
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* @access public
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*/
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function SimpleCookieJar() {
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$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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* Adds a cookie to the jar. This will overwrite
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* cookies with matching host, paths and keys.
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* @param SimpleCookie $cookie New cookie.
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* @access public
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*/
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function setCookie($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 ($is_match) {
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$this->_cookies[$i] = $cookie;
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return;
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}
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}
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$this->_cookies[] = $cookie;
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}
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/**
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* Fetches a hash of all valid cookies filtered
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* by host, path and keyed by name
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* Any cookies with missing categories will not
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* be filtered out by that category. Expired
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* cookies must be cleared by restarting the session.
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* @param string $host Host name requirement.
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* @param string $path Path encompassing cookies.
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* @return hash Valid cookie objects keyed
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* on the cookie name.
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* @access public
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*/
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function getValidCookies($host = false, $path = "/") {
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$valid_cookies = array();
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foreach ($this->_cookies as $cookie) {
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if ($this->_isMatch($cookie, $host, $path, $cookie->getName())) {
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$valid_cookies[] = $cookie;
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}
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}
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return $valid_cookies;
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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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* Adds the current cookies to a request.
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* @param SimpleHttpRequest $request Request to modify.
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* @param SimpleUrl $url Cookie selector.
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* @access private
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*/
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function addHeaders(&$request, $url) {
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$cookies = $this->getValidCookies($url->getHost(), $url->getPath());
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foreach ($cookies as $cookie) {
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$request->setCookie($cookie);
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}
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}
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}
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/**
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* Fetches web pages whilst keeping track of
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* cookies and authentication.
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* @package SimpleTest
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* @subpackage WebTester
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*/
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class SimpleUserAgent {
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var $_cookie_jar;
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var $_authenticator;
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var $_max_redirects;
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var $_proxy;
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var $_proxy_username;
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var $_proxy_password;
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var $_connection_timeout;
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var $_additional_headers;
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/**
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* Starts with no cookies, realms or proxies.
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* @access public
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*/
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function SimpleUserAgent() {
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$this->_cookie_jar = &new SimpleCookieJar();
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$this->_authenticator = &new SimpleAuthenticator();
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$this->setMaximumRedirects(DEFAULT_MAX_REDIRECTS);
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$this->_proxy = false;
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$this->_proxy_username = false;
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$this->_proxy_password = false;
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$this->setConnectionTimeout(DEFAULT_CONNECTION_TIMEOUT);
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$this->_additional_headers = 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. Authorisation
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* has to be obtained again as well.
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* @param string/integer $date Time when session restarted.
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* If omitted then all persistent
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* cookies are kept.
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* @access public
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*/
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function restart($date = false) {
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$this->_cookie_jar->restartSession($date);
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$this->_authenticator->restartSession();
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}
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/**
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* Adds a header to every fetch.
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* @param string $header Header line to add to every
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* request until cleared.
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* @access public
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*/
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function addHeader($header) {
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$this->_additional_headers[] = $header;
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}
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/**
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* Ages the cookies by the specified time.
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* @param integer $interval Amount in seconds.
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* @access public
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*/
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function ageCookies($interval) {
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$this->_cookie_jar->agePrematurely($interval);
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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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$this->_cookie_jar->setCookie($cookie);
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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.
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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 ($this->_cookie_jar->getValidCookies($host, $path) as $cookie) {
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if ($name == $cookie->getName()) {
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if (strlen($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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* Reads the current cookies within the base URL.
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* @param string $name Key of cookie to find.
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* @param SimpleUrl $base Base URL to search from.
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* @return string Null if there is no base URL, false
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* if the cookie is not set.
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* @access public
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*/
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function getBaseCookieValue($name, $base) {
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if (! $base) {
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return null;
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}
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return $this->getCookieValue($base->getHost(), $base->getPath(), $name);
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}
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/**
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* Sets the socket timeout for opening a connection.
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* @param integer $timeout Maximum time in seconds.
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* @access public
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*/
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function setConnectionTimeout($timeout) {
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$this->_connection_timeout = $timeout;
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}
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/**
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* Sets the maximum number of redirects before
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* a page will be loaded anyway.
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* @param integer $max Most hops allowed.
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* @access public
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*/
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function setMaximumRedirects($max) {
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$this->_max_redirects = $max;
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}
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/**
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* Sets proxy to use on all requests for when
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* testing from behind a firewall. Set URL
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* to false to disable.
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* @param string $proxy Proxy URL.
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* @param string $username Proxy username for authentication.
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* @param string $password Proxy password for authentication.
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* @access public
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*/
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function useProxy($proxy, $username, $password) {
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if (! $proxy) {
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$this->_proxy = false;
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return;
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}
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if (strncmp($proxy, 'http://', 7) != 0) {
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$proxy = 'http://'. $proxy;
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}
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$this->_proxy = &new SimpleUrl($proxy);
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$this->_proxy_username = $username;
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$this->_proxy_password = $password;
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}
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/**
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* Test to see if the redirect limit is passed.
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* @param integer $redirects Count so far.
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* @return boolean True if over.
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* @access private
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*/
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function _isTooManyRedirects($redirects) {
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return ($redirects > $this->_max_redirects);
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}
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/**
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* Sets the identity for the current realm.
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* @param string $host Host to which realm applies.
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* @param string $realm Full name of realm.
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* @param string $username Username for realm.
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* @param string $password Password for realm.
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* @access public
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*/
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function setIdentity($host, $realm, $username, $password) {
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$this->_authenticator->setIdentityForRealm($host, $realm, $username, $password);
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}
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/**
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* Fetches a URL as a response object. Will keep trying if redirected.
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* It will also collect authentication realm information.
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* @param string/SimpleUrl $url Target to fetch.
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* @param SimpleEncoding $encoding Additional parameters for request.
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* @return SimpleHttpResponse Hopefully the target page.
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* @access public
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*/
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function &fetchResponse($url, $encoding) {
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if ($encoding->getMethod() != 'POST') {
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$url->addRequestParameters($encoding);
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$encoding->clear();
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}
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$response = &$this->_fetchWhileRedirected($url, $encoding);
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if ($headers = $response->getHeaders()) {
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if ($headers->isChallenge()) {
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$this->_authenticator->addRealm(
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$url,
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$headers->getAuthentication(),
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$headers->getRealm());
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}
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}
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return $response;
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}
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/**
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* Fetches the page until no longer redirected or
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* until the redirect limit runs out.
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* @param SimpleUrl $url Target to fetch.
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* @param SimpelFormEncoding $encoding Additional parameters for request.
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* @return SimpleHttpResponse Hopefully the target page.
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* @access private
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*/
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function &_fetchWhileRedirected($url, $encoding) {
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$redirects = 0;
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do {
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$response = &$this->_fetch($url, $encoding);
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if ($response->isError()) {
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return $response;
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}
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$headers = $response->getHeaders();
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$location = new SimpleUrl($headers->getLocation());
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$url = $location->makeAbsolute($url);
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$this->_addCookiesToJar($url, $headers->getNewCookies());
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if (! $headers->isRedirect()) {
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break;
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}
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$encoding = new SimpleGetEncoding();
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} while (! $this->_isTooManyRedirects(++$redirects));
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return $response;
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}
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/**
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* Actually make the web request.
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* @param SimpleUrl $url Target to fetch.
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* @param SimpleFormEncoding $encoding Additional parameters for request.
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* @return SimpleHttpResponse Headers and hopefully content.
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* @access protected
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*/
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function &_fetch($url, $encoding) {
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$request = &$this->_createRequest($url, $encoding);
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$response = &$request->fetch($this->_connection_timeout);
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return $response;
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}
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/**
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* Creates a full page request.
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* @param SimpleUrl $url Target to fetch as url object.
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* @param SimpleFormEncoding $encoding POST/GET parameters.
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* @return SimpleHttpRequest New request.
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* @access private
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*/
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function &_createRequest($url, $encoding) {
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$request = &$this->_createHttpRequest($url, $encoding);
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$this->_addAdditionalHeaders($request);
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$this->_cookie_jar->addHeaders($request, $url);
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$this->_authenticator->addHeaders($request, $url);
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return $request;
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}
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/**
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* Builds the appropriate HTTP request object.
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* @param SimpleUrl $url Target to fetch as url object.
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* @param SimpleFormEncoding $parameters POST/GET parameters.
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* @return SimpleHttpRequest New request object.
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* @access protected
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*/
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function &_createHttpRequest($url, $encoding) {
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$request = &new SimpleHttpRequest($this->_createRoute($url), $encoding);
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return $request;
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}
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/**
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* Sets up either a direct route or via a proxy.
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* @param SimpleUrl $url Target to fetch as url object.
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* @return SimpleRoute Route to take to fetch URL.
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* @access protected
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*/
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function &_createRoute($url) {
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if ($this->_proxy) {
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$route = &new SimpleProxyRoute(
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$url,
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$this->_proxy,
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$this->_proxy_username,
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$this->_proxy_password);
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} else {
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$route = &new SimpleRoute($url);
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}
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return $route;
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}
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/**
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* Adds additional manual headers.
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* @param SimpleHttpRequest $request Outgoing request.
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* @access private
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*/
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function _addAdditionalHeaders(&$request) {
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foreach ($this->_additional_headers as $header) {
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$request->addHeaderLine($header);
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}
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}
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/**
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* Extracts new cookies into the cookie jar.
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* @param SimpleUrl $url Target to fetch as url object.
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* @param array $cookies New cookies.
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* @access private
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*/
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function _addCookiesToJar($url, $cookies) {
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foreach ($cookies as $cookie) {
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if ($url->getHost()) {
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$cookie->setHost($url->getHost());
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}
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$this->_cookie_jar->setCookie($cookie);
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}
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}
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}
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?>
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