1082 lines
31 KiB
PHP
1082 lines
31 KiB
PHP
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<?php
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/**
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* HTTP Socket connection class.
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*
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* PHP versions 4 and 5
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*
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* CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
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* Copyright 2005-2010, Cake Software Foundation, Inc. (http://cakefoundation.org)
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*
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* Licensed under The MIT License
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* Redistributions of files must retain the above copyright notice.
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*
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* @copyright Copyright 2005-2010, Cake Software Foundation, Inc. (http://cakefoundation.org)
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* @link http://cakephp.org CakePHP(tm) Project
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* @package cake
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* @subpackage cake.cake.libs
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* @since CakePHP(tm) v 1.2.0
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* @license MIT License (http://www.opensource.org/licenses/mit-license.php)
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*/
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App::import('Core', array('CakeSocket', 'Set', 'Router'));
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/**
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* Cake network socket connection class.
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*
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* Core base class for HTTP network communication. HttpSocket can be used as an
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* Object Oriented replacement for cURL in many places.
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*
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* @package cake
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* @subpackage cake.cake.libs
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*/
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class HttpSocket extends CakeSocket {
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/**
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* Object description
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*
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* @var string
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* @access public
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*/
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var $description = 'HTTP-based DataSource Interface';
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/**
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* When one activates the $quirksMode by setting it to true, all checks meant to
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* enforce RFC 2616 (HTTP/1.1 specs).
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* will be disabled and additional measures to deal with non-standard responses will be enabled.
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*
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* @var boolean
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* @access public
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*/
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var $quirksMode = false;
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/**
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* The default values to use for a request
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*
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* @var array
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* @access public
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*/
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var $request = array(
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'method' => 'GET',
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'uri' => array(
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'scheme' => 'http',
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'host' => null,
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'port' => 80,
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'user' => null,
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'pass' => null,
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'path' => null,
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'query' => null,
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'fragment' => null
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),
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'auth' => array(
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'method' => 'Basic',
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'user' => null,
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'pass' => null
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),
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'version' => '1.1',
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'body' => '',
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'line' => null,
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'header' => array(
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'Connection' => 'close',
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'User-Agent' => 'CakePHP'
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),
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'raw' => null,
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'cookies' => array()
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);
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/**
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* The default structure for storing the response
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*
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* @var array
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* @access public
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*/
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var $response = array(
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'raw' => array(
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'status-line' => null,
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'header' => null,
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'body' => null,
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'response' => null
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),
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'status' => array(
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'http-version' => null,
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'code' => null,
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'reason-phrase' => null
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),
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'header' => array(),
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'body' => '',
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'cookies' => array()
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);
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/**
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* Default configuration settings for the HttpSocket
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*
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* @var array
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* @access public
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*/
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var $config = array(
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'persistent' => false,
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'host' => 'localhost',
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'protocol' => 'tcp',
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'port' => 80,
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'timeout' => 30,
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'request' => array(
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'uri' => array(
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'scheme' => 'http',
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'host' => 'localhost',
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'port' => 80
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),
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'auth' => array(
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'method' => 'Basic',
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'user' => null,
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'pass' => null
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),
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'cookies' => array()
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)
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);
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/**
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* String that represents a line break.
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*
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* @var string
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* @access public
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*/
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var $lineBreak = "\r\n";
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/**
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* Build an HTTP Socket using the specified configuration.
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*
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* You can use a url string to set the url and use default configurations for
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* all other options:
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*
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* `$http =& new HttpSocket('http://cakephp.org/');`
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*
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* Or use an array to configure multiple options:
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*
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* {{{
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* $http =& new HttpSocket(array(
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* 'host' => 'cakephp.org',
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* 'timeout' => 20
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* ));
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* }}}
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*
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* See HttpSocket::$config for options that can be used.
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*
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* @param mixed $config Configuration information, either a string url or an array of options.
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* @access public
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*/
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function __construct($config = array()) {
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if (is_string($config)) {
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$this->_configUri($config);
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} elseif (is_array($config)) {
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if (isset($config['request']['uri']) && is_string($config['request']['uri'])) {
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$this->_configUri($config['request']['uri']);
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unset($config['request']['uri']);
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}
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$this->config = Set::merge($this->config, $config);
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}
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parent::__construct($this->config);
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}
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/**
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* Issue the specified request. HttpSocket::get() and HttpSocket::post() wrap this
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* method and provide a more granular interface.
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*
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* @param mixed $request Either an URI string, or an array defining host/uri
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* @return mixed false on error, request body on success
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* @access public
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*/
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function request($request = array()) {
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$this->reset(false);
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if (is_string($request)) {
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$request = array('uri' => $request);
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} elseif (!is_array($request)) {
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return false;
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}
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if (!isset($request['uri'])) {
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$request['uri'] = null;
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}
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$uri = $this->_parseUri($request['uri']);
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$hadAuth = false;
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if (is_array($uri) && array_key_exists('user', $uri)) {
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$hadAuth = true;
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}
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if (!isset($uri['host'])) {
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$host = $this->config['host'];
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}
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if (isset($request['host'])) {
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$host = $request['host'];
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unset($request['host']);
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}
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$request['uri'] = $this->url($request['uri']);
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$request['uri'] = $this->_parseUri($request['uri'], true);
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$this->request = Set::merge($this->request, $this->config['request'], $request);
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if (!$hadAuth && !empty($this->config['request']['auth']['user'])) {
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$this->request['uri']['user'] = $this->config['request']['auth']['user'];
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$this->request['uri']['pass'] = $this->config['request']['auth']['pass'];
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}
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$this->_configUri($this->request['uri']);
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if (isset($host)) {
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$this->config['host'] = $host;
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}
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$cookies = null;
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if (is_array($this->request['header'])) {
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$this->request['header'] = $this->_parseHeader($this->request['header']);
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if (!empty($this->request['cookies'])) {
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$cookies = $this->buildCookies($this->request['cookies']);
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}
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$Host = $this->request['uri']['host'];
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$schema = '';
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$port = 0;
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if (isset($this->request['uri']['schema'])) {
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$schema = $this->request['uri']['schema'];
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}
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if (isset($this->request['uri']['port'])) {
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$port = $this->request['uri']['port'];
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}
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if (
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($schema === 'http' && $port != 80) ||
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($schema === 'https' && $port != 443) ||
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($port != 80 && $port != 443)
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) {
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$Host .= ':' . $port;
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}
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$this->request['header'] = array_merge(compact('Host'), $this->request['header']);
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}
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if (isset($this->request['auth']['user']) && isset($this->request['auth']['pass'])) {
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$this->request['header']['Authorization'] = $this->request['auth']['method'] . " " . base64_encode($this->request['auth']['user'] . ":" . $this->request['auth']['pass']);
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}
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if (isset($this->request['uri']['user']) && isset($this->request['uri']['pass'])) {
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$this->request['header']['Authorization'] = $this->request['auth']['method'] . " " . base64_encode($this->request['uri']['user'] . ":" . $this->request['uri']['pass']);
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}
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if (is_array($this->request['body'])) {
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$this->request['body'] = $this->_httpSerialize($this->request['body']);
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}
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if (!empty($this->request['body']) && !isset($this->request['header']['Content-Type'])) {
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$this->request['header']['Content-Type'] = 'application/x-www-form-urlencoded';
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}
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if (!empty($this->request['body']) && !isset($this->request['header']['Content-Length'])) {
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$this->request['header']['Content-Length'] = strlen($this->request['body']);
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}
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$connectionType = null;
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if (isset($this->request['header']['Connection'])) {
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$connectionType = $this->request['header']['Connection'];
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}
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$this->request['header'] = $this->_buildHeader($this->request['header']) . $cookies;
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if (empty($this->request['line'])) {
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$this->request['line'] = $this->_buildRequestLine($this->request);
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}
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if ($this->quirksMode === false && $this->request['line'] === false) {
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return $this->response = false;
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}
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if ($this->request['line'] !== false) {
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$this->request['raw'] = $this->request['line'];
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}
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if ($this->request['header'] !== false) {
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$this->request['raw'] .= $this->request['header'];
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}
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$this->request['raw'] .= "\r\n";
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$this->request['raw'] .= $this->request['body'];
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$this->write($this->request['raw']);
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$response = null;
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while ($data = $this->read()) {
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$response .= $data;
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}
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if ($connectionType == 'close') {
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$this->disconnect();
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}
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$this->response = $this->_parseResponse($response);
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if (!empty($this->response['cookies'])) {
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$this->config['request']['cookies'] = array_merge($this->config['request']['cookies'], $this->response['cookies']);
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}
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return $this->response['body'];
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}
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/**
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* Issues a GET request to the specified URI, query, and request.
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*
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* Using a string uri and an array of query string parameters:
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*
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* `$response = $http->get('http://google.com/search', array('q' => 'cakephp', 'client' => 'safari'));`
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*
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* Would do a GET request to `http://google.com/search?q=cakephp&client=safari`
|
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*
|
||
|
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* You could express the same thing using a uri array and query string parameters:
|
||
|
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*
|
||
|
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* {{{
|
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* $response = $http->get(
|
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* array('host' => 'google.com', 'path' => '/search'),
|
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* array('q' => 'cakephp', 'client' => 'safari')
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* );
|
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* }}}
|
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|
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*
|
||
|
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* @param mixed $uri URI to request. Either a string uri, or a uri array, see HttpSocket::_parseUri()
|
||
|
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* @param array $query Querystring parameters to append to URI
|
||
|
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* @param array $request An indexed array with indexes such as 'method' or uri
|
||
|
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* @return mixed Result of request, either false on failure or the response to the request.
|
||
|
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* @access public
|
||
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*/
|
||
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function get($uri = null, $query = array(), $request = array()) {
|
||
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if (!empty($query)) {
|
||
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$uri = $this->_parseUri($uri);
|
||
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if (isset($uri['query'])) {
|
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$uri['query'] = array_merge($uri['query'], $query);
|
||
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} else {
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$uri['query'] = $query;
|
||
|
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}
|
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$uri = $this->_buildUri($uri);
|
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}
|
||
|
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|
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$request = Set::merge(array('method' => 'GET', 'uri' => $uri), $request);
|
||
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return $this->request($request);
|
||
|
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}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Issues a POST request to the specified URI, query, and request.
|
||
|
|
*
|
||
|
|
* `post()` can be used to post simple data arrays to a url:
|
||
|
|
*
|
||
|
|
* {{{
|
||
|
|
* $response = $http->post('http://example.com', array(
|
||
|
|
* 'username' => 'batman',
|
||
|
|
* 'password' => 'bruce_w4yne'
|
||
|
|
* ));
|
||
|
|
* }}}
|
||
|
|
*
|
||
|
|
* @param mixed $uri URI to request. See HttpSocket::_parseUri()
|
||
|
|
* @param array $data Array of POST data keys and values.
|
||
|
|
* @param array $request An indexed array with indexes such as 'method' or uri
|
||
|
|
* @return mixed Result of request, either false on failure or the response to the request.
|
||
|
|
* @access public
|
||
|
|
*/
|
||
|
|
function post($uri = null, $data = array(), $request = array()) {
|
||
|
|
$request = Set::merge(array('method' => 'POST', 'uri' => $uri, 'body' => $data), $request);
|
||
|
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return $this->request($request);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Issues a PUT request to the specified URI, query, and request.
|
||
|
|
*
|
||
|
|
* @param mixed $uri URI to request, See HttpSocket::_parseUri()
|
||
|
|
* @param array $data Array of PUT data keys and values.
|
||
|
|
* @param array $request An indexed array with indexes such as 'method' or uri
|
||
|
|
* @return mixed Result of request
|
||
|
|
* @access public
|
||
|
|
*/
|
||
|
|
function put($uri = null, $data = array(), $request = array()) {
|
||
|
|
$request = Set::merge(array('method' => 'PUT', 'uri' => $uri, 'body' => $data), $request);
|
||
|
|
return $this->request($request);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Issues a DELETE request to the specified URI, query, and request.
|
||
|
|
*
|
||
|
|
* @param mixed $uri URI to request (see {@link _parseUri()})
|
||
|
|
* @param array $data Query to append to URI
|
||
|
|
* @param array $request An indexed array with indexes such as 'method' or uri
|
||
|
|
* @return mixed Result of request
|
||
|
|
* @access public
|
||
|
|
*/
|
||
|
|
function delete($uri = null, $data = array(), $request = array()) {
|
||
|
|
$request = Set::merge(array('method' => 'DELETE', 'uri' => $uri, 'body' => $data), $request);
|
||
|
|
return $this->request($request);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Normalizes urls into a $uriTemplate. If no template is provided
|
||
|
|
* a default one will be used. Will generate the url using the
|
||
|
|
* current config information.
|
||
|
|
*
|
||
|
|
* ### Usage:
|
||
|
|
*
|
||
|
|
* After configuring part of the request parameters, you can use url() to generate
|
||
|
|
* urls.
|
||
|
|
*
|
||
|
|
* {{{
|
||
|
|
* $http->configUri('http://www.cakephp.org');
|
||
|
|
* $url = $http->url('/search?q=bar');
|
||
|
|
* }}}
|
||
|
|
*
|
||
|
|
* Would return `http://www.cakephp.org/search?q=bar`
|
||
|
|
*
|
||
|
|
* url() can also be used with custom templates:
|
||
|
|
*
|
||
|
|
* `$url = $http->url('http://www.cakephp/search?q=socket', '/%path?%query');`
|
||
|
|
*
|
||
|
|
* Would return `/search?q=socket`.
|
||
|
|
*
|
||
|
|
* @param mixed $url Either a string or array of url options to create a url with.
|
||
|
|
* @param string $uriTemplate A template string to use for url formatting.
|
||
|
|
* @return mixed Either false on failure or a string containing the composed url.
|
||
|
|
* @access public
|
||
|
|
*/
|
||
|
|
function url($url = null, $uriTemplate = null) {
|
||
|
|
if (is_null($url)) {
|
||
|
|
$url = '/';
|
||
|
|
}
|
||
|
|
if (is_string($url)) {
|
||
|
|
if ($url{0} == '/') {
|
||
|
|
$url = $this->config['request']['uri']['host'].':'.$this->config['request']['uri']['port'] . $url;
|
||
|
|
}
|
||
|
|
if (!preg_match('/^.+:\/\/|\*|^\//', $url)) {
|
||
|
|
$url = $this->config['request']['uri']['scheme'].'://'.$url;
|
||
|
|
}
|
||
|
|
} elseif (!is_array($url) && !empty($url)) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
$base = array_merge($this->config['request']['uri'], array('scheme' => array('http', 'https'), 'port' => array(80, 443)));
|
||
|
|
$url = $this->_parseUri($url, $base);
|
||
|
|
|
||
|
|
if (empty($url)) {
|
||
|
|
$url = $this->config['request']['uri'];
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!empty($uriTemplate)) {
|
||
|
|
return $this->_buildUri($url, $uriTemplate);
|
||
|
|
}
|
||
|
|
return $this->_buildUri($url);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Parses the given message and breaks it down in parts.
|
||
|
|
*
|
||
|
|
* @param string $message Message to parse
|
||
|
|
* @return array Parsed message (with indexed elements such as raw, status, header, body)
|
||
|
|
* @access protected
|
||
|
|
*/
|
||
|
|
function _parseResponse($message) {
|
||
|
|
if (is_array($message)) {
|
||
|
|
return $message;
|
||
|
|
} elseif (!is_string($message)) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
static $responseTemplate;
|
||
|
|
|
||
|
|
if (empty($responseTemplate)) {
|
||
|
|
$classVars = get_class_vars(__CLASS__);
|
||
|
|
$responseTemplate = $classVars['response'];
|
||
|
|
}
|
||
|
|
|
||
|
|
$response = $responseTemplate;
|
||
|
|
|
||
|
|
if (!preg_match("/^(.+\r\n)(.*)(?<=\r\n)\r\n/Us", $message, $match)) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
list($null, $response['raw']['status-line'], $response['raw']['header']) = $match;
|
||
|
|
$response['raw']['response'] = $message;
|
||
|
|
$response['raw']['body'] = substr($message, strlen($match[0]));
|
||
|
|
|
||
|
|
if (preg_match("/(.+) ([0-9]{3}) (.+)\r\n/DU", $response['raw']['status-line'], $match)) {
|
||
|
|
$response['status']['http-version'] = $match[1];
|
||
|
|
$response['status']['code'] = (int)$match[2];
|
||
|
|
$response['status']['reason-phrase'] = $match[3];
|
||
|
|
}
|
||
|
|
|
||
|
|
$response['header'] = $this->_parseHeader($response['raw']['header']);
|
||
|
|
$transferEncoding = null;
|
||
|
|
if (isset($response['header']['Transfer-Encoding'])) {
|
||
|
|
$transferEncoding = $response['header']['Transfer-Encoding'];
|
||
|
|
}
|
||
|
|
$decoded = $this->_decodeBody($response['raw']['body'], $transferEncoding);
|
||
|
|
$response['body'] = $decoded['body'];
|
||
|
|
|
||
|
|
if (!empty($decoded['header'])) {
|
||
|
|
$response['header'] = $this->_parseHeader($this->_buildHeader($response['header']).$this->_buildHeader($decoded['header']));
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!empty($response['header'])) {
|
||
|
|
$response['cookies'] = $this->parseCookies($response['header']);
|
||
|
|
}
|
||
|
|
|
||
|
|
foreach ($response['raw'] as $field => $val) {
|
||
|
|
if ($val === '') {
|
||
|
|
$response['raw'][$field] = null;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return $response;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Generic function to decode a $body with a given $encoding. Returns either an array with the keys
|
||
|
|
* 'body' and 'header' or false on failure.
|
||
|
|
*
|
||
|
|
* @param string $body A string continaing the body to decode.
|
||
|
|
* @param mixed $encoding Can be false in case no encoding is being used, or a string representing the encoding.
|
||
|
|
* @return mixed Array of response headers and body or false.
|
||
|
|
* @access protected
|
||
|
|
*/
|
||
|
|
function _decodeBody($body, $encoding = 'chunked') {
|
||
|
|
if (!is_string($body)) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
if (empty($encoding)) {
|
||
|
|
return array('body' => $body, 'header' => false);
|
||
|
|
}
|
||
|
|
$decodeMethod = '_decode'.Inflector::camelize(str_replace('-', '_', $encoding)).'Body';
|
||
|
|
|
||
|
|
if (!is_callable(array(&$this, $decodeMethod))) {
|
||
|
|
if (!$this->quirksMode) {
|
||
|
|
trigger_error(sprintf(__('HttpSocket::_decodeBody - Unknown encoding: %s. Activate quirks mode to surpress error.', true), h($encoding)), E_USER_WARNING);
|
||
|
|
}
|
||
|
|
return array('body' => $body, 'header' => false);
|
||
|
|
}
|
||
|
|
return $this->{$decodeMethod}($body);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Decodes a chunked message $body and returns either an array with the keys 'body' and 'header' or false as
|
||
|
|
* a result.
|
||
|
|
*
|
||
|
|
* @param string $body A string continaing the chunked body to decode.
|
||
|
|
* @return mixed Array of response headers and body or false.
|
||
|
|
* @access protected
|
||
|
|
*/
|
||
|
|
function _decodeChunkedBody($body) {
|
||
|
|
if (!is_string($body)) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
$decodedBody = null;
|
||
|
|
$chunkLength = null;
|
||
|
|
|
||
|
|
while ($chunkLength !== 0) {
|
||
|
|
if (!preg_match("/^([0-9a-f]+) *(?:;(.+)=(.+))?\r\n/iU", $body, $match)) {
|
||
|
|
if (!$this->quirksMode) {
|
||
|
|
trigger_error(__('HttpSocket::_decodeChunkedBody - Could not parse malformed chunk. Activate quirks mode to do this.', true), E_USER_WARNING);
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
$chunkSize = 0;
|
||
|
|
$hexLength = 0;
|
||
|
|
$chunkExtensionName = '';
|
||
|
|
$chunkExtensionValue = '';
|
||
|
|
if (isset($match[0])) {
|
||
|
|
$chunkSize = $match[0];
|
||
|
|
}
|
||
|
|
if (isset($match[1])) {
|
||
|
|
$hexLength = $match[1];
|
||
|
|
}
|
||
|
|
if (isset($match[2])) {
|
||
|
|
$chunkExtensionName = $match[2];
|
||
|
|
}
|
||
|
|
if (isset($match[3])) {
|
||
|
|
$chunkExtensionValue = $match[3];
|
||
|
|
}
|
||
|
|
|
||
|
|
$body = substr($body, strlen($chunkSize));
|
||
|
|
$chunkLength = hexdec($hexLength);
|
||
|
|
$chunk = substr($body, 0, $chunkLength);
|
||
|
|
if (!empty($chunkExtensionName)) {
|
||
|
|
/**
|
||
|
|
* @todo See if there are popular chunk extensions we should implement
|
||
|
|
*/
|
||
|
|
}
|
||
|
|
$decodedBody .= $chunk;
|
||
|
|
if ($chunkLength !== 0) {
|
||
|
|
$body = substr($body, $chunkLength+strlen("\r\n"));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
$entityHeader = false;
|
||
|
|
if (!empty($body)) {
|
||
|
|
$entityHeader = $this->_parseHeader($body);
|
||
|
|
}
|
||
|
|
return array('body' => $decodedBody, 'header' => $entityHeader);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Parses and sets the specified URI into current request configuration.
|
||
|
|
*
|
||
|
|
* @param mixed $uri URI, See HttpSocket::_parseUri()
|
||
|
|
* @return array Current configuration settings
|
||
|
|
* @access protected
|
||
|
|
*/
|
||
|
|
function _configUri($uri = null) {
|
||
|
|
if (empty($uri)) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (is_array($uri)) {
|
||
|
|
$uri = $this->_parseUri($uri);
|
||
|
|
} else {
|
||
|
|
$uri = $this->_parseUri($uri, true);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!isset($uri['host'])) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
$config = array(
|
||
|
|
'request' => array(
|
||
|
|
'uri' => array_intersect_key($uri, $this->config['request']['uri']),
|
||
|
|
'auth' => array_intersect_key($uri, $this->config['request']['auth'])
|
||
|
|
)
|
||
|
|
);
|
||
|
|
$this->config = Set::merge($this->config, $config);
|
||
|
|
$this->config = Set::merge($this->config, array_intersect_key($this->config['request']['uri'], $this->config));
|
||
|
|
return $this->config;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Takes a $uri array and turns it into a fully qualified URL string
|
||
|
|
*
|
||
|
|
* @param mixed $uri Either A $uri array, or a request string. Will use $this->config if left empty.
|
||
|
|
* @param string $uriTemplate The Uri template/format to use.
|
||
|
|
* @return mixed A fully qualified URL formated according to $uriTemplate, or false on failure
|
||
|
|
* @access protected
|
||
|
|
*/
|
||
|
|
function _buildUri($uri = array(), $uriTemplate = '%scheme://%user:%pass@%host:%port/%path?%query#%fragment') {
|
||
|
|
if (is_string($uri)) {
|
||
|
|
$uri = array('host' => $uri);
|
||
|
|
}
|
||
|
|
$uri = $this->_parseUri($uri, true);
|
||
|
|
|
||
|
|
if (!is_array($uri) || empty($uri)) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
$uri['path'] = preg_replace('/^\//', null, $uri['path']);
|
||
|
|
$uri['query'] = $this->_httpSerialize($uri['query']);
|
||
|
|
$stripIfEmpty = array(
|
||
|
|
'query' => '?%query',
|
||
|
|
'fragment' => '#%fragment',
|
||
|
|
'user' => '%user:%pass@',
|
||
|
|
'host' => '%host:%port/'
|
||
|
|
);
|
||
|
|
|
||
|
|
foreach ($stripIfEmpty as $key => $strip) {
|
||
|
|
if (empty($uri[$key])) {
|
||
|
|
$uriTemplate = str_replace($strip, null, $uriTemplate);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
$defaultPorts = array('http' => 80, 'https' => 443);
|
||
|
|
if (array_key_exists($uri['scheme'], $defaultPorts) && $defaultPorts[$uri['scheme']] == $uri['port']) {
|
||
|
|
$uriTemplate = str_replace(':%port', null, $uriTemplate);
|
||
|
|
}
|
||
|
|
foreach ($uri as $property => $value) {
|
||
|
|
$uriTemplate = str_replace('%'.$property, $value, $uriTemplate);
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($uriTemplate === '/*') {
|
||
|
|
$uriTemplate = '*';
|
||
|
|
}
|
||
|
|
return $uriTemplate;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Parses the given URI and breaks it down into pieces as an indexed array with elements
|
||
|
|
* such as 'scheme', 'port', 'query'.
|
||
|
|
*
|
||
|
|
* @param string $uri URI to parse
|
||
|
|
* @param mixed $base If true use default URI config, otherwise indexed array to set 'scheme', 'host', 'port', etc.
|
||
|
|
* @return array Parsed URI
|
||
|
|
* @access protected
|
||
|
|
*/
|
||
|
|
function _parseUri($uri = null, $base = array()) {
|
||
|
|
$uriBase = array(
|
||
|
|
'scheme' => array('http', 'https'),
|
||
|
|
'host' => null,
|
||
|
|
'port' => array(80, 443),
|
||
|
|
'user' => null,
|
||
|
|
'pass' => null,
|
||
|
|
'path' => '/',
|
||
|
|
'query' => null,
|
||
|
|
'fragment' => null
|
||
|
|
);
|
||
|
|
|
||
|
|
if (is_string($uri)) {
|
||
|
|
$uri = parse_url($uri);
|
||
|
|
}
|
||
|
|
if (!is_array($uri) || empty($uri)) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
if ($base === true) {
|
||
|
|
$base = $uriBase;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (isset($base['port'], $base['scheme']) && is_array($base['port']) && is_array($base['scheme'])) {
|
||
|
|
if (isset($uri['scheme']) && !isset($uri['port'])) {
|
||
|
|
$base['port'] = $base['port'][array_search($uri['scheme'], $base['scheme'])];
|
||
|
|
} elseif (isset($uri['port']) && !isset($uri['scheme'])) {
|
||
|
|
$base['scheme'] = $base['scheme'][array_search($uri['port'], $base['port'])];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (is_array($base) && !empty($base)) {
|
||
|
|
$uri = array_merge($base, $uri);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (isset($uri['scheme']) && is_array($uri['scheme'])) {
|
||
|
|
$uri['scheme'] = array_shift($uri['scheme']);
|
||
|
|
}
|
||
|
|
if (isset($uri['port']) && is_array($uri['port'])) {
|
||
|
|
$uri['port'] = array_shift($uri['port']);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (array_key_exists('query', $uri)) {
|
||
|
|
$uri['query'] = $this->_parseQuery($uri['query']);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!array_intersect_key($uriBase, $uri)) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
return $uri;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This function can be thought of as a reverse to PHP5's http_build_query(). It takes a given query string and turns it into an array and
|
||
|
|
* supports nesting by using the php bracket syntax. So this menas you can parse queries like:
|
||
|
|
*
|
||
|
|
* - ?key[subKey]=value
|
||
|
|
* - ?key[]=value1&key[]=value2
|
||
|
|
*
|
||
|
|
* A leading '?' mark in $query is optional and does not effect the outcome of this function.
|
||
|
|
* For the complete capabilities of this implementation take a look at HttpSocketTest::testparseQuery()
|
||
|
|
*
|
||
|
|
* @param mixed $query A query string to parse into an array or an array to return directly "as is"
|
||
|
|
* @return array The $query parsed into a possibly multi-level array. If an empty $query is
|
||
|
|
* given, an empty array is returned.
|
||
|
|
* @access protected
|
||
|
|
*/
|
||
|
|
function _parseQuery($query) {
|
||
|
|
if (is_array($query)) {
|
||
|
|
return $query;
|
||
|
|
}
|
||
|
|
$parsedQuery = array();
|
||
|
|
|
||
|
|
if (is_string($query) && !empty($query)) {
|
||
|
|
$query = preg_replace('/^\?/', '', $query);
|
||
|
|
$items = explode('&', $query);
|
||
|
|
|
||
|
|
foreach ($items as $item) {
|
||
|
|
if (strpos($item, '=') !== false) {
|
||
|
|
list($key, $value) = explode('=', $item, 2);
|
||
|
|
} else {
|
||
|
|
$key = $item;
|
||
|
|
$value = null;
|
||
|
|
}
|
||
|
|
|
||
|
|
$key = urldecode($key);
|
||
|
|
$value = urldecode($value);
|
||
|
|
|
||
|
|
if (preg_match_all('/\[([^\[\]]*)\]/iUs', $key, $matches)) {
|
||
|
|
$subKeys = $matches[1];
|
||
|
|
$rootKey = substr($key, 0, strpos($key, '['));
|
||
|
|
if (!empty($rootKey)) {
|
||
|
|
array_unshift($subKeys, $rootKey);
|
||
|
|
}
|
||
|
|
$queryNode =& $parsedQuery;
|
||
|
|
|
||
|
|
foreach ($subKeys as $subKey) {
|
||
|
|
if (!is_array($queryNode)) {
|
||
|
|
$queryNode = array();
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($subKey === '') {
|
||
|
|
$queryNode[] = array();
|
||
|
|
end($queryNode);
|
||
|
|
$subKey = key($queryNode);
|
||
|
|
}
|
||
|
|
$queryNode =& $queryNode[$subKey];
|
||
|
|
}
|
||
|
|
$queryNode = $value;
|
||
|
|
} else {
|
||
|
|
$parsedQuery[$key] = $value;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return $parsedQuery;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Builds a request line according to HTTP/1.1 specs. Activate quirks mode to work outside specs.
|
||
|
|
*
|
||
|
|
* @param array $request Needs to contain a 'uri' key. Should also contain a 'method' key, otherwise defaults to GET.
|
||
|
|
* @param string $versionToken The version token to use, defaults to HTTP/1.1
|
||
|
|
* @return string Request line
|
||
|
|
* @access protected
|
||
|
|
*/
|
||
|
|
function _buildRequestLine($request = array(), $versionToken = 'HTTP/1.1') {
|
||
|
|
$asteriskMethods = array('OPTIONS');
|
||
|
|
|
||
|
|
if (is_string($request)) {
|
||
|
|
$isValid = preg_match("/(.+) (.+) (.+)\r\n/U", $request, $match);
|
||
|
|
if (!$this->quirksMode && (!$isValid || ($match[2] == '*' && !in_array($match[3], $asteriskMethods)))) {
|
||
|
|
trigger_error(__('HttpSocket::_buildRequestLine - Passed an invalid request line string. Activate quirks mode to do this.', true), E_USER_WARNING);
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
return $request;
|
||
|
|
} elseif (!is_array($request)) {
|
||
|
|
return false;
|
||
|
|
} elseif (!array_key_exists('uri', $request)) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
$request['uri'] = $this->_parseUri($request['uri']);
|
||
|
|
$request = array_merge(array('method' => 'GET'), $request);
|
||
|
|
$request['uri'] = $this->_buildUri($request['uri'], '/%path?%query');
|
||
|
|
|
||
|
|
if (!$this->quirksMode && $request['uri'] === '*' && !in_array($request['method'], $asteriskMethods)) {
|
||
|
|
trigger_error(sprintf(__('HttpSocket::_buildRequestLine - The "*" asterisk character is only allowed for the following methods: %s. Activate quirks mode to work outside of HTTP/1.1 specs.', true), join(',', $asteriskMethods)), E_USER_WARNING);
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
return $request['method'].' '.$request['uri'].' '.$versionToken.$this->lineBreak;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Serializes an array for transport.
|
||
|
|
*
|
||
|
|
* @param array $data Data to serialize
|
||
|
|
* @return string Serialized variable
|
||
|
|
* @access protected
|
||
|
|
*/
|
||
|
|
function _httpSerialize($data = array()) {
|
||
|
|
if (is_string($data)) {
|
||
|
|
return $data;
|
||
|
|
}
|
||
|
|
if (empty($data) || !is_array($data)) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
return substr(Router::queryString($data), 1);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Builds the header.
|
||
|
|
*
|
||
|
|
* @param array $header Header to build
|
||
|
|
* @return string Header built from array
|
||
|
|
* @access protected
|
||
|
|
*/
|
||
|
|
function _buildHeader($header, $mode = 'standard') {
|
||
|
|
if (is_string($header)) {
|
||
|
|
return $header;
|
||
|
|
} elseif (!is_array($header)) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
$returnHeader = '';
|
||
|
|
foreach ($header as $field => $contents) {
|
||
|
|
if (is_array($contents) && $mode == 'standard') {
|
||
|
|
$contents = implode(',', $contents);
|
||
|
|
}
|
||
|
|
foreach ((array)$contents as $content) {
|
||
|
|
$contents = preg_replace("/\r\n(?![\t ])/", "\r\n ", $content);
|
||
|
|
$field = $this->_escapeToken($field);
|
||
|
|
|
||
|
|
$returnHeader .= $field.': '.$contents.$this->lineBreak;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return $returnHeader;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Parses an array based header.
|
||
|
|
*
|
||
|
|
* @param array $header Header as an indexed array (field => value)
|
||
|
|
* @return array Parsed header
|
||
|
|
* @access protected
|
||
|
|
*/
|
||
|
|
function _parseHeader($header) {
|
||
|
|
if (is_array($header)) {
|
||
|
|
foreach ($header as $field => $value) {
|
||
|
|
unset($header[$field]);
|
||
|
|
$field = strtolower($field);
|
||
|
|
preg_match_all('/(?:^|(?<=-))[a-z]/U', $field, $offsets, PREG_OFFSET_CAPTURE);
|
||
|
|
|
||
|
|
foreach ($offsets[0] as $offset) {
|
||
|
|
$field = substr_replace($field, strtoupper($offset[0]), $offset[1], 1);
|
||
|
|
}
|
||
|
|
$header[$field] = $value;
|
||
|
|
}
|
||
|
|
return $header;
|
||
|
|
} elseif (!is_string($header)) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
preg_match_all("/(.+):(.+)(?:(?<![\t ])" . $this->lineBreak . "|\$)/Uis", $header, $matches, PREG_SET_ORDER);
|
||
|
|
|
||
|
|
$header = array();
|
||
|
|
foreach ($matches as $match) {
|
||
|
|
list(, $field, $value) = $match;
|
||
|
|
|
||
|
|
$value = trim($value);
|
||
|
|
$value = preg_replace("/[\t ]\r\n/", "\r\n", $value);
|
||
|
|
|
||
|
|
$field = $this->_unescapeToken($field);
|
||
|
|
|
||
|
|
$field = strtolower($field);
|
||
|
|
preg_match_all('/(?:^|(?<=-))[a-z]/U', $field, $offsets, PREG_OFFSET_CAPTURE);
|
||
|
|
foreach ($offsets[0] as $offset) {
|
||
|
|
$field = substr_replace($field, strtoupper($offset[0]), $offset[1], 1);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!isset($header[$field])) {
|
||
|
|
$header[$field] = $value;
|
||
|
|
} else {
|
||
|
|
$header[$field] = array_merge((array)$header[$field], (array)$value);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return $header;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Parses cookies in response headers.
|
||
|
|
*
|
||
|
|
* @param array $header Header array containing one ore more 'Set-Cookie' headers.
|
||
|
|
* @return mixed Either false on no cookies, or an array of cookies received.
|
||
|
|
* @access public
|
||
|
|
* @todo Make this 100% RFC 2965 confirm
|
||
|
|
*/
|
||
|
|
function parseCookies($header) {
|
||
|
|
if (!isset($header['Set-Cookie'])) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
$cookies = array();
|
||
|
|
foreach ((array)$header['Set-Cookie'] as $cookie) {
|
||
|
|
if (strpos($cookie, '";"') !== false) {
|
||
|
|
$cookie = str_replace('";"', "{__cookie_replace__}", $cookie);
|
||
|
|
$parts = str_replace("{__cookie_replace__}", '";"', explode(';', $cookie));
|
||
|
|
} else {
|
||
|
|
$parts = preg_split('/\;[ \t]*/', $cookie);
|
||
|
|
}
|
||
|
|
|
||
|
|
list($name, $value) = explode('=', array_shift($parts), 2);
|
||
|
|
$cookies[$name] = compact('value');
|
||
|
|
|
||
|
|
foreach ($parts as $part) {
|
||
|
|
if (strpos($part, '=') !== false) {
|
||
|
|
list($key, $value) = explode('=', $part);
|
||
|
|
} else {
|
||
|
|
$key = $part;
|
||
|
|
$value = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
$key = strtolower($key);
|
||
|
|
if (!isset($cookies[$name][$key])) {
|
||
|
|
$cookies[$name][$key] = $value;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return $cookies;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Builds cookie headers for a request.
|
||
|
|
*
|
||
|
|
* @param array $cookies Array of cookies to send with the request.
|
||
|
|
* @return string Cookie header string to be sent with the request.
|
||
|
|
* @access public
|
||
|
|
* @todo Refactor token escape mechanism to be configurable
|
||
|
|
*/
|
||
|
|
function buildCookies($cookies) {
|
||
|
|
$header = array();
|
||
|
|
foreach ($cookies as $name => $cookie) {
|
||
|
|
$header[] = $name.'='.$this->_escapeToken($cookie['value'], array(';'));
|
||
|
|
}
|
||
|
|
$header = $this->_buildHeader(array('Cookie' => implode('; ', $header)), 'pragmatic');
|
||
|
|
return $header;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Unescapes a given $token according to RFC 2616 (HTTP 1.1 specs)
|
||
|
|
*
|
||
|
|
* @param string $token Token to unescape
|
||
|
|
* @return string Unescaped token
|
||
|
|
* @access protected
|
||
|
|
* @todo Test $chars parameter
|
||
|
|
*/
|
||
|
|
function _unescapeToken($token, $chars = null) {
|
||
|
|
$regex = '/"(['.join('', $this->_tokenEscapeChars(true, $chars)).'])"/';
|
||
|
|
$token = preg_replace($regex, '\\1', $token);
|
||
|
|
return $token;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Escapes a given $token according to RFC 2616 (HTTP 1.1 specs)
|
||
|
|
*
|
||
|
|
* @param string $token Token to escape
|
||
|
|
* @return string Escaped token
|
||
|
|
* @access protected
|
||
|
|
* @todo Test $chars parameter
|
||
|
|
*/
|
||
|
|
function _escapeToken($token, $chars = null) {
|
||
|
|
$regex = '/(['.join('', $this->_tokenEscapeChars(true, $chars)).'])/';
|
||
|
|
$token = preg_replace($regex, '"\\1"', $token);
|
||
|
|
return $token;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Gets escape chars according to RFC 2616 (HTTP 1.1 specs).
|
||
|
|
*
|
||
|
|
* @param boolean $hex true to get them as HEX values, false otherwise
|
||
|
|
* @return array Escape chars
|
||
|
|
* @access protected
|
||
|
|
* @todo Test $chars parameter
|
||
|
|
*/
|
||
|
|
function _tokenEscapeChars($hex = true, $chars = null) {
|
||
|
|
if (!empty($chars)) {
|
||
|
|
$escape = $chars;
|
||
|
|
} else {
|
||
|
|
$escape = array('"', "(", ")", "<", ">", "@", ",", ";", ":", "\\", "/", "[", "]", "?", "=", "{", "}", " ");
|
||
|
|
for ($i = 0; $i <= 31; $i++) {
|
||
|
|
$escape[] = chr($i);
|
||
|
|
}
|
||
|
|
$escape[] = chr(127);
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($hex == false) {
|
||
|
|
return $escape;
|
||
|
|
}
|
||
|
|
$regexChars = '';
|
||
|
|
foreach ($escape as $key => $char) {
|
||
|
|
$escape[$key] = '\\x'.str_pad(dechex(ord($char)), 2, '0', STR_PAD_LEFT);
|
||
|
|
}
|
||
|
|
return $escape;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Resets the state of this HttpSocket instance to it's initial state (before Object::__construct got executed) or does
|
||
|
|
* the same thing partially for the request and the response property only.
|
||
|
|
*
|
||
|
|
* @param boolean $full If set to false only HttpSocket::response and HttpSocket::request are reseted
|
||
|
|
* @return boolean True on success
|
||
|
|
* @access public
|
||
|
|
*/
|
||
|
|
function reset($full = true) {
|
||
|
|
static $initalState = array();
|
||
|
|
if (empty($initalState)) {
|
||
|
|
$initalState = get_class_vars(__CLASS__);
|
||
|
|
}
|
||
|
|
if ($full == false) {
|
||
|
|
$this->request = $initalState['request'];
|
||
|
|
$this->response = $initalState['response'];
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
parent::reset($initalState);
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
}
|