1033 lines
31 KiB
PHP
1033 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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* CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
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* Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
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*
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* Licensed under The MIT License
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* For full copyright and license information, please see the LICENSE.txt
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* Redistributions of files must retain the above copyright notice.
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*
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* @copyright Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
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* @link http://cakephp.org CakePHP(tm) Project
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* @package Cake.Network.Http
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* @since CakePHP(tm) v 1.2.0
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* @license http://www.opensource.org/licenses/mit-license.php MIT License
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*/
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App::uses('CakeSocket', 'Network');
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App::uses('Router', 'Routing');
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App::uses('Hash', 'Utility');
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/**
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* CakePHP 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.Network.Http
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*/
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class HttpSocket extends CakeSocket {
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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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*/
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public $quirksMode = false;
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/**
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* Contain information about the last request (read only)
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*
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* @var array
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*/
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public $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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'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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'redirect' => false,
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'cookies' => array(),
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);
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/**
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* Contain information about the last response (read only)
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*
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* @var array
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*/
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public $response = null;
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/**
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* Response class name
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*
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* @var string
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*/
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public $responseClass = 'HttpSocketResponse';
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/**
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* Configuration settings for the HttpSocket and the requests
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*
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* @var array
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*/
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public $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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'ssl_verify_peer' => true,
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'ssl_allow_self_signed' => false,
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'ssl_verify_depth' => 5,
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'ssl_verify_host' => true,
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'request' => array(
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'uri' => array(
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'scheme' => array('http', 'https'),
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'host' => 'localhost',
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'port' => array(80, 443)
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),
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'redirect' => false,
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'cookies' => array(),
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)
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);
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/**
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* Authentication settings
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*
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* @var array
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*/
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protected $_auth = array();
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/**
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* Proxy settings
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*
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* @var array
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*/
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protected $_proxy = array();
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/**
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* Resource to receive the content of request
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*
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* @var mixed
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*/
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protected $_contentResource = null;
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/**
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* Build an HTTP Socket using the specified configuration.
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*
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* You can use a URL string to set the URL and use default configurations for
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* all other options:
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*
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* `$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 string|array $config Configuration information, either a string URL or an array of options.
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*/
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public function __construct($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 = Hash::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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* Set authentication settings.
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*
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* Accepts two forms of parameters. If all you need is a username + password, as with
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* Basic authentication you can do the following:
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*
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* {{{
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* $http->configAuth('Basic', 'mark', 'secret');
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* }}}
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*
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* If you are using an authentication strategy that requires more inputs, like Digest authentication
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* you can call `configAuth()` with an array of user information.
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*
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* {{{
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* $http->configAuth('Digest', array(
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* 'user' => 'mark',
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* 'pass' => 'secret',
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* 'realm' => 'my-realm',
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* 'nonce' => 1235
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* ));
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* }}}
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*
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* To remove any set authentication strategy, call `configAuth()` with no parameters:
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*
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* `$http->configAuth();`
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*
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* @param string $method Authentication method (ie. Basic, Digest). If empty, disable authentication
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* @param string|array $user Username for authentication. Can be an array with settings to authentication class
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* @param string $pass Password for authentication
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* @return void
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*/
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public function configAuth($method, $user = null, $pass = null) {
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if (empty($method)) {
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$this->_auth = array();
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return;
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}
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if (is_array($user)) {
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$this->_auth = array($method => $user);
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return;
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}
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$this->_auth = array($method => compact('user', 'pass'));
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}
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/**
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* Set proxy settings
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*
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* @param string|array $host Proxy host. Can be an array with settings to authentication class
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* @param integer $port Port. Default 3128.
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* @param string $method Proxy method (ie, Basic, Digest). If empty, disable proxy authentication
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* @param string $user Username if your proxy need authentication
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* @param string $pass Password to proxy authentication
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* @return void
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*/
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public function configProxy($host, $port = 3128, $method = null, $user = null, $pass = null) {
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if (empty($host)) {
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$this->_proxy = array();
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return;
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}
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if (is_array($host)) {
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$this->_proxy = $host + array('host' => null);
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return;
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}
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$this->_proxy = compact('host', 'port', 'method', 'user', 'pass');
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}
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/**
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* Set the resource to receive the request content. This resource must support fwrite.
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*
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* @param resource|boolean $resource Resource or false to disable the resource use
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* @return void
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* @throws SocketException
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*/
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public function setContentResource($resource) {
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if ($resource === false) {
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$this->_contentResource = null;
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return;
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}
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if (!is_resource($resource)) {
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throw new SocketException(__d('cake_dev', 'Invalid resource.'));
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}
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$this->_contentResource = $resource;
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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 string|array $request Either an URI string, or an array defining host/uri
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* @return mixed false on error, HttpSocketResponse on success
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* @throws SocketException
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*/
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public function request($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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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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$this->request = Hash::merge($this->request, array_diff_key($this->config['request'], array('cookies' => true)), $request);
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$this->_configUri($this->request['uri']);
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$Host = $this->request['uri']['host'];
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if (!empty($this->config['request']['cookies'][$Host])) {
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if (!isset($this->request['cookies'])) {
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$this->request['cookies'] = array();
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}
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if (!isset($request['cookies'])) {
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$request['cookies'] = array();
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}
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$this->request['cookies'] = array_merge($this->request['cookies'], $this->config['request']['cookies'][$Host], $request['cookies']);
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}
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if (isset($host)) {
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$this->config['host'] = $host;
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}
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$this->_setProxy();
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$this->request['proxy'] = $this->_proxy;
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$cookies = null;
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if (is_array($this->request['header'])) {
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if (!empty($this->request['cookies'])) {
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$cookies = $this->buildCookies($this->request['cookies']);
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}
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$scheme = '';
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$port = 0;
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if (isset($this->request['uri']['scheme'])) {
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$scheme = $this->request['uri']['scheme'];
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}
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if (isset($this->request['uri']['port'])) {
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$port = $this->request['uri']['port'];
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}
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if (
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($scheme === 'http' && $port != 80) ||
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($scheme === '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['uri']['user'], $this->request['uri']['pass'])) {
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$this->configAuth('Basic', $this->request['uri']['user'], $this->request['uri']['pass']);
|
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} elseif (isset($this->request['auth'], $this->request['auth']['method'], $this->request['auth']['user'], $this->request['auth']['pass'])) {
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$this->configAuth($this->request['auth']['method'], $this->request['auth']['user'], $this->request['auth']['pass']);
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}
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$this->_setAuth();
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$this->request['auth'] = $this->_auth;
|
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|
|
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||
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if (is_array($this->request['body'])) {
|
||
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$this->request['body'] = http_build_query($this->request['body'], '', '&');
|
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|
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}
|
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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);
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($this->quirksMode === false && $this->request['line'] === false) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
$this->_configContext($this->request['uri']['host']);
|
||
|
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|
||
|
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$this->request['raw'] = '';
|
||
|
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if ($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']);
|
||
|
|
|
||
|
|
$response = null;
|
||
|
|
$inHeader = true;
|
||
|
|
while ($data = $this->read()) {
|
||
|
|
if ($this->_contentResource) {
|
||
|
|
if ($inHeader) {
|
||
|
|
$response .= $data;
|
||
|
|
$pos = strpos($response, "\r\n\r\n");
|
||
|
|
if ($pos !== false) {
|
||
|
|
$pos += 4;
|
||
|
|
$data = substr($response, $pos);
|
||
|
|
fwrite($this->_contentResource, $data);
|
||
|
|
|
||
|
|
$response = substr($response, 0, $pos);
|
||
|
|
$inHeader = false;
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
fwrite($this->_contentResource, $data);
|
||
|
|
fflush($this->_contentResource);
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
$response .= $data;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($connectionType === 'close') {
|
||
|
|
$this->disconnect();
|
||
|
|
}
|
||
|
|
|
||
|
|
list($plugin, $responseClass) = pluginSplit($this->responseClass, true);
|
||
|
|
App::uses($responseClass, $plugin . 'Network/Http');
|
||
|
|
if (!class_exists($responseClass)) {
|
||
|
|
throw new SocketException(__d('cake_dev', 'Class %s not found.', $this->responseClass));
|
||
|
|
}
|
||
|
|
$this->response = new $responseClass($response);
|
||
|
|
|
||
|
|
if (!empty($this->response->cookies)) {
|
||
|
|
if (!isset($this->config['request']['cookies'][$Host])) {
|
||
|
|
$this->config['request']['cookies'][$Host] = array();
|
||
|
|
}
|
||
|
|
$this->config['request']['cookies'][$Host] = array_merge($this->config['request']['cookies'][$Host], $this->response->cookies);
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($this->request['redirect'] && $this->response->isRedirect()) {
|
||
|
|
$request['uri'] = trim(urldecode($this->response->getHeader('Location')), '=');
|
||
|
|
$request['redirect'] = is_int($this->request['redirect']) ? $this->request['redirect'] - 1 : $this->request['redirect'];
|
||
|
|
$this->response = $this->request($request);
|
||
|
|
}
|
||
|
|
|
||
|
|
return $this->response;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Issues a GET request to the specified URI, query, and request.
|
||
|
|
*
|
||
|
|
* Using a string uri and an array of query string parameters:
|
||
|
|
*
|
||
|
|
* `$response = $http->get('http://google.com/search', array('q' => 'cakephp', 'client' => 'safari'));`
|
||
|
|
*
|
||
|
|
* Would do a GET request to `http://google.com/search?q=cakephp&client=safari`
|
||
|
|
*
|
||
|
|
* You could express the same thing using a uri array and query string parameters:
|
||
|
|
*
|
||
|
|
* {{{
|
||
|
|
* $response = $http->get(
|
||
|
|
* array('host' => 'google.com', 'path' => '/search'),
|
||
|
|
* array('q' => 'cakephp', 'client' => 'safari')
|
||
|
|
* );
|
||
|
|
* }}}
|
||
|
|
*
|
||
|
|
* @param string|array $uri URI to request. Either a string uri, or a uri array, see HttpSocket::_parseUri()
|
||
|
|
* @param array $query Querystring parameters to append to URI
|
||
|
|
* @param array $request An indexed array with indexes such as 'method' or uri
|
||
|
|
* @return mixed Result of request, either false on failure or the response to the request.
|
||
|
|
*/
|
||
|
|
public function get($uri = null, $query = array(), $request = array()) {
|
||
|
|
if (!empty($query)) {
|
||
|
|
$uri = $this->_parseUri($uri, $this->config['request']['uri']);
|
||
|
|
if (isset($uri['query'])) {
|
||
|
|
$uri['query'] = array_merge($uri['query'], $query);
|
||
|
|
} else {
|
||
|
|
$uri['query'] = $query;
|
||
|
|
}
|
||
|
|
$uri = $this->_buildUri($uri);
|
||
|
|
}
|
||
|
|
|
||
|
|
$request = Hash::merge(array('method' => 'GET', 'uri' => $uri), $request);
|
||
|
|
return $this->request($request);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 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 string|array $uri URI to request. See HttpSocket::_parseUri()
|
||
|
|
* @param array $data Array of request body data keys and values.
|
||
|
|
* @param array $request An indexed array with indexes such as 'method' or uri
|
||
|
|
* @return mixed Result of request, either false on failure or the response to the request.
|
||
|
|
*/
|
||
|
|
public function post($uri = null, $data = array(), $request = array()) {
|
||
|
|
$request = Hash::merge(array('method' => 'POST', 'uri' => $uri, 'body' => $data), $request);
|
||
|
|
return $this->request($request);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Issues a PUT request to the specified URI, query, and request.
|
||
|
|
*
|
||
|
|
* @param string|array $uri URI to request, See HttpSocket::_parseUri()
|
||
|
|
* @param array $data Array of request body data keys and values.
|
||
|
|
* @param array $request An indexed array with indexes such as 'method' or uri
|
||
|
|
* @return mixed Result of request
|
||
|
|
*/
|
||
|
|
public function put($uri = null, $data = array(), $request = array()) {
|
||
|
|
$request = Hash::merge(array('method' => 'PUT', 'uri' => $uri, 'body' => $data), $request);
|
||
|
|
return $this->request($request);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Issues a PATCH request to the specified URI, query, and request.
|
||
|
|
*
|
||
|
|
* @param string|array $uri URI to request, See HttpSocket::_parseUri()
|
||
|
|
* @param array $data Array of request body data keys and values.
|
||
|
|
* @param array $request An indexed array with indexes such as 'method' or uri
|
||
|
|
* @return mixed Result of request
|
||
|
|
*/
|
||
|
|
public function patch($uri = null, $data = array(), $request = array()) {
|
||
|
|
$request = Hash::merge(array('method' => 'PATCH', 'uri' => $uri, 'body' => $data), $request);
|
||
|
|
return $this->request($request);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Issues a DELETE request to the specified URI, query, and request.
|
||
|
|
*
|
||
|
|
* @param string|array $uri URI to request (see {@link _parseUri()})
|
||
|
|
* @param array $data Array of request body data keys and values.
|
||
|
|
* @param array $request An indexed array with indexes such as 'method' or uri
|
||
|
|
* @return mixed Result of request
|
||
|
|
*/
|
||
|
|
public function delete($uri = null, $data = array(), $request = array()) {
|
||
|
|
$request = Hash::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 = new HttpSocket('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 string|array Either a string or array of URL options to create a URL with.
|
||
|
|
* @param string $uriTemplate A template string to use for URL formatting.
|
||
|
|
* @return mixed Either false on failure or a string containing the composed URL.
|
||
|
|
*/
|
||
|
|
public function url($url = null, $uriTemplate = null) {
|
||
|
|
if ($url === null) {
|
||
|
|
$url = '/';
|
||
|
|
}
|
||
|
|
if (is_string($url)) {
|
||
|
|
$scheme = $this->config['request']['uri']['scheme'];
|
||
|
|
if (is_array($scheme)) {
|
||
|
|
$scheme = $scheme[0];
|
||
|
|
}
|
||
|
|
$port = $this->config['request']['uri']['port'];
|
||
|
|
if (is_array($port)) {
|
||
|
|
$port = $port[0];
|
||
|
|
}
|
||
|
|
if ($url{0} === '/') {
|
||
|
|
$url = $this->config['request']['uri']['host'] . ':' . $port . $url;
|
||
|
|
}
|
||
|
|
if (!preg_match('/^.+:\/\/|\*|^\//', $url)) {
|
||
|
|
$url = $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);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Set authentication in request
|
||
|
|
*
|
||
|
|
* @return void
|
||
|
|
* @throws SocketException
|
||
|
|
*/
|
||
|
|
protected function _setAuth() {
|
||
|
|
if (empty($this->_auth)) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
$method = key($this->_auth);
|
||
|
|
list($plugin, $authClass) = pluginSplit($method, true);
|
||
|
|
$authClass = Inflector::camelize($authClass) . 'Authentication';
|
||
|
|
App::uses($authClass, $plugin . 'Network/Http');
|
||
|
|
|
||
|
|
if (!class_exists($authClass)) {
|
||
|
|
throw new SocketException(__d('cake_dev', 'Unknown authentication method.'));
|
||
|
|
}
|
||
|
|
if (!method_exists($authClass, 'authentication')) {
|
||
|
|
throw new SocketException(__d('cake_dev', 'The %s does not support authentication.', $authClass));
|
||
|
|
}
|
||
|
|
call_user_func_array("$authClass::authentication", array($this, &$this->_auth[$method]));
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Set the proxy configuration and authentication
|
||
|
|
*
|
||
|
|
* @return void
|
||
|
|
* @throws SocketException
|
||
|
|
*/
|
||
|
|
protected function _setProxy() {
|
||
|
|
if (empty($this->_proxy) || !isset($this->_proxy['host'], $this->_proxy['port'])) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
$this->config['host'] = $this->_proxy['host'];
|
||
|
|
$this->config['port'] = $this->_proxy['port'];
|
||
|
|
|
||
|
|
if (empty($this->_proxy['method']) || !isset($this->_proxy['user'], $this->_proxy['pass'])) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
list($plugin, $authClass) = pluginSplit($this->_proxy['method'], true);
|
||
|
|
$authClass = Inflector::camelize($authClass) . 'Authentication';
|
||
|
|
App::uses($authClass, $plugin . 'Network/Http');
|
||
|
|
|
||
|
|
if (!class_exists($authClass)) {
|
||
|
|
throw new SocketException(__d('cake_dev', 'Unknown authentication method for proxy.'));
|
||
|
|
}
|
||
|
|
if (!method_exists($authClass, 'proxyAuthentication')) {
|
||
|
|
throw new SocketException(__d('cake_dev', 'The %s does not support proxy authentication.', $authClass));
|
||
|
|
}
|
||
|
|
call_user_func_array("$authClass::proxyAuthentication", array($this, &$this->_proxy));
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Parses and sets the specified URI into current request configuration.
|
||
|
|
*
|
||
|
|
* @param string|array $uri URI, See HttpSocket::_parseUri()
|
||
|
|
* @return boolean If uri has merged in config
|
||
|
|
*/
|
||
|
|
protected function _configUri($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'])
|
||
|
|
)
|
||
|
|
);
|
||
|
|
$this->config = Hash::merge($this->config, $config);
|
||
|
|
$this->config = Hash::merge($this->config, array_intersect_key($this->config['request']['uri'], $this->config));
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Configure the socket's context. Adds in configuration
|
||
|
|
* that can not be declared in the class definition.
|
||
|
|
*
|
||
|
|
* @param string $host The host you're connecting to.
|
||
|
|
* @return void
|
||
|
|
*/
|
||
|
|
protected function _configContext($host) {
|
||
|
|
foreach ($this->config as $key => $value) {
|
||
|
|
if (substr($key, 0, 4) !== 'ssl_') {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
$contextKey = substr($key, 4);
|
||
|
|
if (empty($this->config['context']['ssl'][$contextKey])) {
|
||
|
|
$this->config['context']['ssl'][$contextKey] = $value;
|
||
|
|
}
|
||
|
|
unset($this->config[$key]);
|
||
|
|
}
|
||
|
|
if (empty($this->config['context']['ssl']['cafile'])) {
|
||
|
|
$this->config['context']['ssl']['cafile'] = CAKE . 'Config' . DS . 'cacert.pem';
|
||
|
|
}
|
||
|
|
if (!empty($this->config['context']['ssl']['verify_host'])) {
|
||
|
|
$this->config['context']['ssl']['CN_match'] = $host;
|
||
|
|
}
|
||
|
|
unset($this->config['context']['ssl']['verify_host']);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Takes a $uri array and turns it into a fully qualified URL string
|
||
|
|
*
|
||
|
|
* @param string|array $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 formatted according to $uriTemplate, or false on failure
|
||
|
|
*/
|
||
|
|
protected function _buildUri($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']);
|
||
|
|
$uri['query'] = http_build_query($uri['query'], '', '&');
|
||
|
|
$uri['query'] = rtrim($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|array $uri URI to parse
|
||
|
|
* @param boolean|array $base If true use default URI config, otherwise indexed array to set 'scheme', 'host', 'port', etc.
|
||
|
|
* @return array Parsed URI
|
||
|
|
*/
|
||
|
|
protected function _parseUri($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 means 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 string|array $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 $query is
|
||
|
|
* given, an empty array is returned.
|
||
|
|
*/
|
||
|
|
protected function _parseQuery($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 = $value;
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
if (!isset($parsedQuery[$key])) {
|
||
|
|
$parsedQuery[$key] = $value;
|
||
|
|
} else {
|
||
|
|
$parsedQuery[$key] = (array)$parsedQuery[$key];
|
||
|
|
$parsedQuery[$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 $versionToken The version token to use, defaults to HTTP/1.1
|
||
|
|
* @return string Request line
|
||
|
|
* @throws SocketException
|
||
|
|
*/
|
||
|
|
protected function _buildRequestLine($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)))) {
|
||
|
|
throw new SocketException(__d('cake_dev', 'HttpSocket::_buildRequestLine - Passed an invalid request line string. Activate quirks mode to do this.'));
|
||
|
|
}
|
||
|
|
return $request;
|
||
|
|
} elseif (!is_array($request)) {
|
||
|
|
return false;
|
||
|
|
} elseif (!array_key_exists('uri', $request)) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
$request['uri'] = $this->_parseUri($request['uri']);
|
||
|
|
$request += array('method' => 'GET');
|
||
|
|
if (!empty($this->_proxy['host'])) {
|
||
|
|
$request['uri'] = $this->_buildUri($request['uri'], '%scheme://%host:%port/%path?%query');
|
||
|
|
} else {
|
||
|
|
$request['uri'] = $this->_buildUri($request['uri'], '/%path?%query');
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!$this->quirksMode && $request['uri'] === '*' && !in_array($request['method'], $asteriskMethods)) {
|
||
|
|
throw new SocketException(__d('cake_dev', 'HttpSocket::_buildRequestLine - The "*" asterisk character is only allowed for the following methods: %s. Activate quirks mode to work outside of HTTP/1.1 specs.', implode(',', $asteriskMethods)));
|
||
|
|
}
|
||
|
|
return $request['method'] . ' ' . $request['uri'] . ' ' . $versionToken . "\r\n";
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Builds the header.
|
||
|
|
*
|
||
|
|
* @param array $header Header to build
|
||
|
|
* @param string $mode
|
||
|
|
* @return string Header built from array
|
||
|
|
*/
|
||
|
|
protected function _buildHeader($header, $mode = 'standard') {
|
||
|
|
if (is_string($header)) {
|
||
|
|
return $header;
|
||
|
|
} elseif (!is_array($header)) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
$fieldsInHeader = array();
|
||
|
|
foreach ($header as $key => $value) {
|
||
|
|
$lowKey = strtolower($key);
|
||
|
|
if (array_key_exists($lowKey, $fieldsInHeader)) {
|
||
|
|
$header[$fieldsInHeader[$lowKey]] = $value;
|
||
|
|
unset($header[$key]);
|
||
|
|
} else {
|
||
|
|
$fieldsInHeader[$lowKey] = $key;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
$returnHeader = '';
|
||
|
|
foreach ($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 . "\r\n";
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return $returnHeader;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Builds cookie headers for a request.
|
||
|
|
*
|
||
|
|
* Cookies can either be in the format returned in responses, or
|
||
|
|
* a simple key => value pair.
|
||
|
|
*
|
||
|
|
* @param array $cookies Array of cookies to send with the request.
|
||
|
|
* @return string Cookie header string to be sent with the request.
|
||
|
|
*/
|
||
|
|
public function buildCookies($cookies) {
|
||
|
|
$header = array();
|
||
|
|
foreach ($cookies as $name => $cookie) {
|
||
|
|
if (is_array($cookie)) {
|
||
|
|
$value = $this->_escapeToken($cookie['value'], array(';'));
|
||
|
|
} else {
|
||
|
|
$value = $this->_escapeToken($cookie, array(';'));
|
||
|
|
}
|
||
|
|
$header[] = $name . '=' . $value;
|
||
|
|
}
|
||
|
|
return $this->_buildHeader(array('Cookie' => implode('; ', $header)), 'pragmatic');
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Escapes a given $token according to RFC 2616 (HTTP 1.1 specs)
|
||
|
|
*
|
||
|
|
* @param string $token Token to escape
|
||
|
|
* @param array $chars
|
||
|
|
* @return string Escaped token
|
||
|
|
*/
|
||
|
|
protected function _escapeToken($token, $chars = null) {
|
||
|
|
$regex = '/([' . implode('', $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
|
||
|
|
* @param array $chars
|
||
|
|
* @return array Escape chars
|
||
|
|
*/
|
||
|
|
protected function _tokenEscapeChars($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) {
|
||
|
|
return $escape;
|
||
|
|
}
|
||
|
|
foreach ($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 $full If set to false only HttpSocket::response and HttpSocket::request are reset
|
||
|
|
* @return boolean True on success
|
||
|
|
*/
|
||
|
|
public function reset($full = true) {
|
||
|
|
static $initalState = array();
|
||
|
|
if (empty($initalState)) {
|
||
|
|
$initalState = get_class_vars(__CLASS__);
|
||
|
|
}
|
||
|
|
if (!$full) {
|
||
|
|
$this->request = $initalState['request'];
|
||
|
|
$this->response = $initalState['response'];
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
parent::reset($initalState);
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|