Source for file user_agent.php
Documentation is available at user_agent.php
* Base include file for SimpleTest
* @version $Id: user_agent.php 1723 2008-04-08 00:34:10Z lastcraft $
* include other SimpleTest class files
require_once(dirname(__FILE__
) .
'/cookies.php');
require_once(dirname(__FILE__
) .
'/http.php');
require_once(dirname(__FILE__
) .
'/encoding.php');
require_once(dirname(__FILE__
) .
'/authentication.php');
if (! defined('DEFAULT_MAX_REDIRECTS')) {
define('DEFAULT_MAX_REDIRECTS', 3);
if (! defined('DEFAULT_CONNECTION_TIMEOUT')) {
define('DEFAULT_CONNECTION_TIMEOUT', 15);
* Fetches web pages whilst keeping track of
* cookies and authentication.
* Starts with no cookies, realms or proxies.
* Removes expired and temporary cookies as if
* the browser was closed and re-opened. Authorisation
* has to be obtained again as well.
* @param string/integer $date Time when session restarted.
* If omitted then all persistent
* Adds a header to every fetch.
* @param string $header Header line to add to every
* Ages the cookies by the specified time.
* @param integer $interval Amount in seconds.
* Sets an additional cookie. If a cookie has
* the same name and path it is replaced.
* @param string $name Cookie key.
* @param string $value Value of cookie.
* @param string $host Host upon which the cookie is valid.
* @param string $path Cookie path if not host wide.
* @param string $expiry Expiry date.
function setCookie($name, $value, $host =
false, $path =
'/', $expiry =
false) {
$this->_cookie_jar->setCookie($name, $value, $host, $path, $expiry);
* Reads the most specific cookie value from the
* @param string $host Host to search.
* @param string $path Applicable path.
* @param string $name Name of cookie to read.
* @return string False if not present, else the
return $this->_cookie_jar->getCookieValue($host, $path, $name);
* Reads the current cookies within the base URL.
* @param string $name Key of cookie to find.
* @param SimpleUrl $base Base URL to search from.
* @return string/boolean Null if there is no base URL, false
* if the cookie is not set.
return $this->getCookieValue($base->getHost(), $base->getPath(), $name);
* Switches off cookie sending and recieving.
* Switches back on the cookie sending and recieving.
* Sets the socket timeout for opening a connection.
* @param integer $timeout Maximum time in seconds.
* Sets the maximum number of redirects before
* a page will be loaded anyway.
* @param integer $max Most hops allowed.
* Sets proxy to use on all requests for when
* testing from behind a firewall. Set URL
* @param string $proxy Proxy URL.
* @param string $username Proxy username for authentication.
* @param string $password Proxy password for authentication.
function useProxy($proxy, $username, $password) {
if ((strncmp($proxy, 'http://', 7) !=
0) &&
(strncmp($proxy, 'https://', 8) !=
0)) {
$proxy =
'http://'.
$proxy;
* Test to see if the redirect limit is passed.
* @param integer $redirects Count so far.
* @return boolean True if over.
function _isTooManyRedirects($redirects) {
* Sets the identity for the current realm.
* @param string $host Host to which realm applies.
* @param string $realm Full name of realm.
* @param string $username Username for realm.
* @param string $password Password for realm.
function setIdentity($host, $realm, $username, $password) {
$this->_authenticator->setIdentityForRealm($host, $realm, $username, $password);
* Fetches a URL as a response object. Will keep trying if redirected.
* It will also collect authentication realm information.
* @param string/SimpleUrl $url Target to fetch.
* @param SimpleEncoding $encoding Additional parameters for request.
* @return SimpleHttpResponse Hopefully the target page.
if ($encoding->getMethod() !=
'POST') {
$url->addRequestParameters($encoding);
$response =
&$this->_fetchWhileRedirected($url, $encoding);
if ($headers =
$response->getHeaders()) {
if ($headers->isChallenge()) {
$headers->getAuthentication(),
* Fetches the page until no longer redirected or
* until the redirect limit runs out.
* @param SimpleUrl $url Target to fetch.
* @param SimpelFormEncoding $encoding Additional parameters for request.
* @return SimpleHttpResponse Hopefully the target page.
function &_fetchWhileRedirected($url, $encoding) {
$response =
&$this->_fetch($url, $encoding);
if ($response->isError()) {
$headers =
$response->getHeaders();
$location =
new SimpleUrl($headers->getLocation());
$url =
$location->makeAbsolute($url);
if (! $headers->isRedirect()) {
} while (! $this->_isTooManyRedirects(++
$redirects));
* Actually make the web request.
* @param SimpleUrl $url Target to fetch.
* @param SimpleFormEncoding $encoding Additional parameters for request.
* @return SimpleHttpResponse Headers and hopefully content.
function &_fetch($url, $encoding) {
$request =
&$this->_createRequest($url, $encoding);
* Creates a full page request.
* @param SimpleUrl $url Target to fetch as url object.
* @param SimpleFormEncoding $encoding POST/GET parameters.
* @return SimpleHttpRequest New request.
function &_createRequest($url, $encoding) {
$this->_addAdditionalHeaders($request);
$request->readCookiesFromJar($this->_cookie_jar, $url);
* Builds the appropriate HTTP request object.
* @param SimpleUrl $url Target to fetch as url object.
* @param SimpleFormEncoding $parameters POST/GET parameters.
* @return SimpleHttpRequest New request object.
* Sets up either a direct route or via a proxy.
* @param SimpleUrl $url Target to fetch as url object.
* @return SimpleRoute Route to take to fetch URL.
* Adds additional manual headers.
* @param SimpleHttpRequest $request Outgoing request.
function _addAdditionalHeaders(&$request) {
$request->addHeaderLine($header);
Documentation generated on Sun, 04 May 2008 09:22:24 -0500 by phpDocumentor 1.3.0