624 lines
19 KiB
PHP
624 lines
19 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: http.php 1722 2008-04-07 19:30:56Z 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__) . '/socket.php');
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require_once(dirname(__FILE__) . '/cookies.php');
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require_once(dirname(__FILE__) . '/url.php');
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/**#@-*/
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/**
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* Creates HTTP headers for the end point of
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* a HTTP request.
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* @package SimpleTest
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* @subpackage WebTester
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*/
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class SimpleRoute {
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var $_url;
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/**
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* Sets the target URL.
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* @param SimpleUrl $url URL as object.
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* @access public
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*/
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function SimpleRoute($url) {
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$this->_url = $url;
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}
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/**
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* Resource name.
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* @return SimpleUrl Current url.
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* @access protected
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*/
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function getUrl() {
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return $this->_url;
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}
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/**
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* Creates the first line which is the actual request.
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* @param string $method HTTP request method, usually GET.
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* @return string Request line content.
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* @access protected
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*/
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function _getRequestLine($method) {
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return $method . ' ' . $this->_url->getPath() .
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$this->_url->getEncodedRequest() . ' HTTP/1.0';
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}
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/**
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* Creates the host part of the request.
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* @return string Host line content.
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* @access protected
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*/
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function _getHostLine() {
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$line = 'Host: ' . $this->_url->getHost();
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if ($this->_url->getPort()) {
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$line .= ':' . $this->_url->getPort();
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}
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return $line;
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}
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/**
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* Opens a socket to the route.
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* @param string $method HTTP request method, usually GET.
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* @param integer $timeout Connection timeout.
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* @return SimpleSocket New socket.
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* @access public
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*/
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function &createConnection($method, $timeout) {
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$default_port = ('https' == $this->_url->getScheme()) ? 443 : 80;
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$socket = &$this->_createSocket(
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$this->_url->getScheme() ? $this->_url->getScheme() : 'http',
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$this->_url->getHost(),
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$this->_url->getPort() ? $this->_url->getPort() : $default_port,
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$timeout);
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if (! $socket->isError()) {
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$socket->write($this->_getRequestLine($method) . "\r\n");
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$socket->write($this->_getHostLine() . "\r\n");
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$socket->write("Connection: close\r\n");
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}
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return $socket;
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}
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/**
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* Factory for socket.
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* @param string $scheme Protocol to use.
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* @param string $host Hostname to connect to.
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* @param integer $port Remote port.
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* @param integer $timeout Connection timeout.
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* @return SimpleSocket/SimpleSecureSocket New socket.
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* @access protected
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*/
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function &_createSocket($scheme, $host, $port, $timeout) {
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if (in_array($scheme, array('https'))) {
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$socket = &new SimpleSecureSocket($host, $port, $timeout);
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} else {
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$socket = &new SimpleSocket($host, $port, $timeout);
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}
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return $socket;
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}
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}
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/**
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* Creates HTTP headers for the end point of
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* a HTTP request via a proxy server.
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* @package SimpleTest
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* @subpackage WebTester
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*/
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class SimpleProxyRoute extends SimpleRoute {
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var $_proxy;
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var $_username;
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var $_password;
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/**
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* Stashes the proxy address.
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* @param SimpleUrl $url URL as object.
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* @param string $proxy Proxy URL.
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* @param string $username Username for autentication.
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* @param string $password Password for autentication.
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* @access public
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*/
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function SimpleProxyRoute($url, $proxy, $username = false, $password = false) {
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$this->SimpleRoute($url);
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$this->_proxy = $proxy;
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$this->_username = $username;
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$this->_password = $password;
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}
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/**
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* Creates the first line which is the actual request.
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* @param string $method HTTP request method, usually GET.
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* @param SimpleUrl $url URL as object.
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* @return string Request line content.
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* @access protected
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*/
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function _getRequestLine($method) {
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$url = $this->getUrl();
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$scheme = $url->getScheme() ? $url->getScheme() : 'http';
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$port = $url->getPort() ? ':' . $url->getPort() : '';
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return $method . ' ' . $scheme . '://' . $url->getHost() . $port .
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$url->getPath() . $url->getEncodedRequest() . ' HTTP/1.0';
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}
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/**
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* Creates the host part of the request.
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* @param SimpleUrl $url URL as object.
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* @return string Host line content.
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* @access protected
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*/
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function _getHostLine() {
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$host = 'Host: ' . $this->_proxy->getHost();
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$port = $this->_proxy->getPort() ? $this->_proxy->getPort() : 8080;
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return "$host:$port";
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}
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/**
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* Opens a socket to the route.
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* @param string $method HTTP request method, usually GET.
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* @param integer $timeout Connection timeout.
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* @return SimpleSocket New socket.
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* @access public
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*/
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function &createConnection($method, $timeout) {
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$socket = &$this->_createSocket(
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$this->_proxy->getScheme() ? $this->_proxy->getScheme() : 'http',
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$this->_proxy->getHost(),
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$this->_proxy->getPort() ? $this->_proxy->getPort() : 8080,
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$timeout);
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if ($socket->isError()) {
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return $socket;
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}
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$socket->write($this->_getRequestLine($method) . "\r\n");
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$socket->write($this->_getHostLine() . "\r\n");
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if ($this->_username && $this->_password) {
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$socket->write('Proxy-Authorization: Basic ' .
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base64_encode($this->_username . ':' . $this->_password) .
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"\r\n");
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}
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$socket->write("Connection: close\r\n");
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return $socket;
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}
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}
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/**
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* HTTP request for a web page. Factory for
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* HttpResponse object.
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* @package SimpleTest
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* @subpackage WebTester
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*/
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class SimpleHttpRequest {
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var $_route;
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var $_encoding;
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var $_headers;
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var $_cookies;
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/**
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* Builds the socket request from the different pieces.
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* These include proxy information, URL, cookies, headers,
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* request method and choice of encoding.
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* @param SimpleRoute $route Request route.
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* @param SimpleFormEncoding $encoding Content to send with
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* request.
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* @access public
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*/
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function SimpleHttpRequest(&$route, $encoding) {
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$this->_route = &$route;
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$this->_encoding = $encoding;
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$this->_headers = array();
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$this->_cookies = array();
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}
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/**
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* Dispatches the content to the route's socket.
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* @param integer $timeout Connection timeout.
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* @return SimpleHttpResponse A response which may only have
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* an error, but hopefully has a
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* complete web page.
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* @access public
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*/
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function &fetch($timeout) {
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$socket = &$this->_route->createConnection($this->_encoding->getMethod(), $timeout);
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if (! $socket->isError()) {
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$this->_dispatchRequest($socket, $this->_encoding);
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}
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$response = &$this->_createResponse($socket);
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return $response;
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}
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/**
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* Sends the headers.
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* @param SimpleSocket $socket Open socket.
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* @param string $method HTTP request method,
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* usually GET.
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* @param SimpleFormEncoding $encoding Content to send with request.
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* @access private
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*/
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function _dispatchRequest(&$socket, $encoding) {
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foreach ($this->_headers as $header_line) {
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$socket->write($header_line . "\r\n");
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}
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if (count($this->_cookies) > 0) {
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$socket->write("Cookie: " . implode(";", $this->_cookies) . "\r\n");
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}
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$encoding->writeHeadersTo($socket);
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$socket->write("\r\n");
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$encoding->writeTo($socket);
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}
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/**
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* Adds a header line to the request.
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* @param string $header_line Text of full header line.
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* @access public
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*/
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function addHeaderLine($header_line) {
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$this->_headers[] = $header_line;
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}
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/**
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* Reads all the relevant cookies from the
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* cookie jar.
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* @param SimpleCookieJar $jar Jar to read
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* @param SimpleUrl $url Url to use for scope.
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* @access public
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*/
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function readCookiesFromJar($jar, $url) {
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$this->_cookies = $jar->selectAsPairs($url);
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}
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/**
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* Wraps the socket in a response parser.
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* @param SimpleSocket $socket Responding socket.
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* @return SimpleHttpResponse Parsed response object.
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* @access protected
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*/
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function &_createResponse(&$socket) {
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$response = &new SimpleHttpResponse(
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$socket,
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$this->_route->getUrl(),
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$this->_encoding);
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return $response;
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}
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}
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/**
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* Collection of header lines in the response.
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* @package SimpleTest
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* @subpackage WebTester
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*/
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class SimpleHttpHeaders {
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var $_raw_headers;
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var $_response_code;
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var $_http_version;
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var $_mime_type;
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var $_location;
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var $_cookies;
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var $_authentication;
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var $_realm;
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/**
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* Parses the incoming header block.
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* @param string $headers Header block.
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* @access public
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*/
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function SimpleHttpHeaders($headers) {
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$this->_raw_headers = $headers;
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$this->_response_code = false;
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$this->_http_version = false;
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$this->_mime_type = '';
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$this->_location = false;
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$this->_cookies = array();
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$this->_authentication = false;
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$this->_realm = false;
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foreach (split("\r\n", $headers) as $header_line) {
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$this->_parseHeaderLine($header_line);
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}
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}
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/**
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* Accessor for parsed HTTP protocol version.
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* @return integer HTTP error code.
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* @access public
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*/
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function getHttpVersion() {
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return $this->_http_version;
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}
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/**
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* Accessor for raw header block.
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* @return string All headers as raw string.
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* @access public
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*/
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function getRaw() {
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return $this->_raw_headers;
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}
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/**
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* Accessor for parsed HTTP error code.
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* @return integer HTTP error code.
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* @access public
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*/
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function getResponseCode() {
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return (integer)$this->_response_code;
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}
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/**
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* Returns the redirected URL or false if
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* no redirection.
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* @return string URL or false for none.
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* @access public
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*/
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function getLocation() {
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return $this->_location;
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}
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/**
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* Test to see if the response is a valid redirect.
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* @return boolean True if valid redirect.
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* @access public
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*/
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function isRedirect() {
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return in_array($this->_response_code, array(301, 302, 303, 307)) &&
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(boolean)$this->getLocation();
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}
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/**
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* Test to see if the response is an authentication
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* challenge.
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* @return boolean True if challenge.
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* @access public
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*/
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function isChallenge() {
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return ($this->_response_code == 401) &&
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(boolean)$this->_authentication &&
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(boolean)$this->_realm;
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}
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/**
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* Accessor for MIME type header information.
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* @return string MIME type.
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* @access public
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*/
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function getMimeType() {
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return $this->_mime_type;
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}
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/**
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* Accessor for authentication type.
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* @return string Type.
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* @access public
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*/
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function getAuthentication() {
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return $this->_authentication;
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}
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/**
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* Accessor for security realm.
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* @return string Realm.
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* @access public
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*/
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function getRealm() {
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return $this->_realm;
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}
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/**
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* Writes new cookies to the cookie jar.
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* @param SimpleCookieJar $jar Jar to write to.
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* @param SimpleUrl $url Host and path to write under.
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* @access public
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*/
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function writeCookiesToJar(&$jar, $url) {
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foreach ($this->_cookies as $cookie) {
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$jar->setCookie(
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$cookie->getName(),
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$cookie->getValue(),
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$url->getHost(),
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$cookie->getPath(),
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$cookie->getExpiry());
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}
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}
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/**
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* Called on each header line to accumulate the held
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* data within the class.
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* @param string $header_line One line of header.
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* @access protected
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*/
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function _parseHeaderLine($header_line) {
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if (preg_match('/HTTP\/(\d+\.\d+)\s+(\d+)/i', $header_line, $matches)) {
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$this->_http_version = $matches[1];
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$this->_response_code = $matches[2];
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}
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if (preg_match('/Content-type:\s*(.*)/i', $header_line, $matches)) {
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$this->_mime_type = trim($matches[1]);
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}
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if (preg_match('/Location:\s*(.*)/i', $header_line, $matches)) {
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$this->_location = trim($matches[1]);
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}
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if (preg_match('/Set-cookie:(.*)/i', $header_line, $matches)) {
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$this->_cookies[] = $this->_parseCookie($matches[1]);
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}
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if (preg_match('/WWW-Authenticate:\s+(\S+)\s+realm=\"(.*?)\"/i', $header_line, $matches)) {
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$this->_authentication = $matches[1];
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$this->_realm = trim($matches[2]);
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}
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}
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/**
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* Parse the Set-cookie content.
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* @param string $cookie_line Text after "Set-cookie:"
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* @return SimpleCookie New cookie object.
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* @access private
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*/
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function _parseCookie($cookie_line) {
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$parts = split(";", $cookie_line);
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$cookie = array();
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preg_match('/\s*(.*?)\s*=(.*)/', array_shift($parts), $cookie);
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foreach ($parts as $part) {
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if (preg_match('/\s*(.*?)\s*=(.*)/', $part, $matches)) {
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$cookie[$matches[1]] = trim($matches[2]);
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}
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}
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return new SimpleCookie(
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$cookie[1],
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trim($cookie[2]),
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isset($cookie["path"]) ? $cookie["path"] : "",
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isset($cookie["expires"]) ? $cookie["expires"] : false);
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}
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}
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/**
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* Basic HTTP response.
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* @package SimpleTest
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* @subpackage WebTester
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*/
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class SimpleHttpResponse extends SimpleStickyError {
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var $_url;
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var $_encoding;
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var $_sent;
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var $_content;
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var $_headers;
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/**
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* Constructor. Reads and parses the incoming
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* content and headers.
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* @param SimpleSocket $socket Network connection to fetch
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* response text from.
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* @param SimpleUrl $url Resource name.
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* @param mixed $encoding Record of content sent.
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* @access public
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*/
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function SimpleHttpResponse(&$socket, $url, $encoding) {
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$this->SimpleStickyError();
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$this->_url = $url;
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$this->_encoding = $encoding;
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$this->_sent = $socket->getSent();
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$this->_content = false;
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$raw = $this->_readAll($socket);
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if ($socket->isError()) {
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$this->_setError('Error reading socket [' . $socket->getError() . ']');
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return;
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}
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$this->_parse($raw);
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}
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/**
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* Splits up the headers and the rest of the content.
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* @param string $raw Content to parse.
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* @access private
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*/
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function _parse($raw) {
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if (! $raw) {
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$this->_setError('Nothing fetched');
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$this->_headers = &new SimpleHttpHeaders('');
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} elseif (! strstr($raw, "\r\n\r\n")) {
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$this->_setError('Could not split headers from content');
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$this->_headers = &new SimpleHttpHeaders($raw);
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} else {
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list($headers, $this->_content) = split("\r\n\r\n", $raw, 2);
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$this->_headers = &new SimpleHttpHeaders($headers);
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}
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}
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/**
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* Original request method.
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* @return string GET, POST or HEAD.
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* @access public
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*/
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function getMethod() {
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return $this->_encoding->getMethod();
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}
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/**
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* Resource name.
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* @return SimpleUrl Current url.
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* @access public
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*/
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function getUrl() {
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return $this->_url;
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}
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/**
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* Original request data.
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* @return mixed Sent content.
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* @access public
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*/
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function getRequestData() {
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return $this->_encoding;
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}
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/**
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* Raw request that was sent down the wire.
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* @return string Bytes actually sent.
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* @access public
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*/
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function getSent() {
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return $this->_sent;
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}
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/**
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* Accessor for the content after the last
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* header line.
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* @return string All content.
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|
* @access public
|
|
*/
|
|
function getContent() {
|
|
return $this->_content;
|
|
}
|
|
|
|
/**
|
|
* Accessor for header block. The response is the
|
|
* combination of this and the content.
|
|
* @return SimpleHeaders Wrapped header block.
|
|
* @access public
|
|
*/
|
|
function getHeaders() {
|
|
return $this->_headers;
|
|
}
|
|
|
|
/**
|
|
* Accessor for any new cookies.
|
|
* @return array List of new cookies.
|
|
* @access public
|
|
*/
|
|
function getNewCookies() {
|
|
return $this->_headers->getNewCookies();
|
|
}
|
|
|
|
/**
|
|
* Reads the whole of the socket output into a
|
|
* single string.
|
|
* @param SimpleSocket $socket Unread socket.
|
|
* @return string Raw output if successful
|
|
* else false.
|
|
* @access private
|
|
*/
|
|
function _readAll(&$socket) {
|
|
$all = '';
|
|
while (! $this->_isLastPacket($next = $socket->read())) {
|
|
$all .= $next;
|
|
}
|
|
return $all;
|
|
}
|
|
|
|
/**
|
|
* Test to see if the packet from the socket is the
|
|
* last one.
|
|
* @param string $packet Chunk to interpret.
|
|
* @return boolean True if empty or EOF.
|
|
* @access private
|
|
*/
|
|
function _isLastPacket($packet) {
|
|
if (is_string($packet)) {
|
|
return $packet === '';
|
|
}
|
|
return ! $packet;
|
|
}
|
|
}
|
|
?>
|