1187 lines
37 KiB
PHP
1187 lines
37 KiB
PHP
<?php
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/**
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* Zend Framework
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*
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* LICENSE
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*
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* This source file is subject to the new BSD license that is bundled
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* with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://framework.zend.com/license/new-bsd
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@zend.com so we can send you a copy immediately.
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*
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* @category Zend
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* @package Zend_Http
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* @subpackage Client
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* @version $Id: Client.php 9906 2008-07-02 21:20:10Z shahar $
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* @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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/**
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* @see Zend_Loader
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*/
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require_once 'Zend/Loader.php';
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/**
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* @see Zend_Uri
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*/
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require_once 'Zend/Uri.php';
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/**
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* @see Zend_Http_Client_Adapter_Interface
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*/
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require_once 'Zend/Http/Client/Adapter/Interface.php';
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/**
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* @see Zend_Http_Response
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*/
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require_once 'Zend/Http/Response.php';
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/**
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* Zend_Http_Client is an implemetation of an HTTP client in PHP. The client
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* supports basic features like sending different HTTP requests and handling
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* redirections, as well as more advanced features like proxy settings, HTTP
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* authentication and cookie persistance (using a Zend_Http_CookieJar object)
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*
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* @todo Implement proxy settings
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* @category Zend
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* @package Zend_Http
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* @subpackage Client
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* @throws Zend_Http_Client_Exception
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* @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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class Zend_Http_Client
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{
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/**
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* HTTP request methods
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*/
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const GET = 'GET';
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const POST = 'POST';
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const PUT = 'PUT';
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const HEAD = 'HEAD';
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const DELETE = 'DELETE';
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const TRACE = 'TRACE';
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const OPTIONS = 'OPTIONS';
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const CONNECT = 'CONNECT';
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/**
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* Supported HTTP Authentication methods
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*/
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const AUTH_BASIC = 'basic';
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//const AUTH_DIGEST = 'digest'; <-- not implemented yet
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/**
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* HTTP protocol versions
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*/
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const HTTP_1 = '1.1';
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const HTTP_0 = '1.0';
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/**
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* POST data encoding methods
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*/
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const ENC_URLENCODED = 'application/x-www-form-urlencoded';
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const ENC_FORMDATA = 'multipart/form-data';
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/**
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* Configuration array, set using the constructor or using ::setConfig()
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*
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* @var array
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*/
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protected $config = array(
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'maxredirects' => 5,
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'strictredirects' => false,
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'useragent' => 'Zend_Http_Client',
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'timeout' => 10,
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'adapter' => 'Zend_Http_Client_Adapter_Socket',
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'httpversion' => self::HTTP_1,
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'keepalive' => false,
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'storeresponse' => true,
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'strict' => true
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);
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/**
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* The adapter used to preform the actual connection to the server
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*
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* @var Zend_Http_Client_Adapter_Interface
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*/
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protected $adapter = null;
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/**
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* Request URI
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*
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* @var Zend_Uri_Http
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*/
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protected $uri;
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/**
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* Associative array of request headers
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*
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* @var array
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*/
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protected $headers = array();
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/**
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* HTTP request method
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*
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* @var string
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*/
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protected $method = self::GET;
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/**
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* Associative array of GET parameters
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*
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* @var array
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*/
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protected $paramsGet = array();
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/**
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* Assiciative array of POST parameters
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*
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* @var array
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*/
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protected $paramsPost = array();
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/**
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* Request body content type (for POST requests)
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*
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* @var string
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*/
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protected $enctype = null;
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/**
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* The raw post data to send. Could be set by setRawData($data, $enctype).
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*
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* @var string
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*/
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protected $raw_post_data = null;
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/**
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* HTTP Authentication settings
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*
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* Expected to be an associative array with this structure:
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* $this->auth = array('user' => 'username', 'password' => 'password', 'type' => 'basic')
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* Where 'type' should be one of the supported authentication types (see the AUTH_*
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* constants), for example 'basic' or 'digest'.
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*
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* If null, no authentication will be used.
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*
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* @var array|null
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*/
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protected $auth;
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/**
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* File upload arrays (used in POST requests)
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*
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* An associative array, where each element is of the format:
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* 'name' => array('filename.txt', 'text/plain', 'This is the actual file contents')
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*
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* @var array
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*/
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protected $files = array();
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/**
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* The client's cookie jar
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*
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* @var Zend_Http_CookieJar
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*/
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protected $cookiejar = null;
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/**
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* The last HTTP request sent by the client, as string
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*
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* @var string
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*/
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protected $last_request = null;
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/**
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* The last HTTP response received by the client
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*
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* @var Zend_Http_Response
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*/
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protected $last_response = null;
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/**
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* Redirection counter
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*
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* @var int
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*/
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protected $redirectCounter = 0;
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/**
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* Fileinfo magic database resource
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*
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* This varaiable is populated the first time _detectFileMimeType is called
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* and is then reused on every call to this method
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*
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* @var resource
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*/
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static protected $_fileInfoDb = null;
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/**
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* Contructor method. Will create a new HTTP client. Accepts the target
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* URL and optionally configuration array.
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*
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* @param Zend_Uri_Http|string $uri
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* @param array $config Configuration key-value pairs.
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*/
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public function __construct($uri = null, $config = null)
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{
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if ($uri !== null) $this->setUri($uri);
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if ($config !== null) $this->setConfig($config);
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}
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/**
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* Set the URI for the next request
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*
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* @param Zend_Uri_Http|string $uri
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* @return Zend_Http_Client
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* @throws Zend_Http_Client_Exception
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*/
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public function setUri($uri)
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{
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if (is_string($uri)) {
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$uri = Zend_Uri::factory($uri);
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}
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if (!$uri instanceof Zend_Uri_Http) {
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/** @see Zend_Http_Client_Exception */
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require_once 'Zend/Http/Client/Exception.php';
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throw new Zend_Http_Client_Exception('Passed parameter is not a valid HTTP URI.');
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}
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// We have no ports, set the defaults
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if (! $uri->getPort()) {
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$uri->setPort(($uri->getScheme() == 'https' ? 443 : 80));
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}
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$this->uri = $uri;
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return $this;
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}
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/**
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* Get the URI for the next request
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*
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* @param boolean $as_string If true, will return the URI as a string
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* @return Zend_Uri_Http|string
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*/
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public function getUri($as_string = false)
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{
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if ($as_string && $this->uri instanceof Zend_Uri_Http) {
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return $this->uri->__toString();
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} else {
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return $this->uri;
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}
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}
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/**
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* Set configuration parameters for this HTTP client
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*
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* @param array $config
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* @return Zend_Http_Client
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* @throws Zend_Http_Client_Exception
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*/
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public function setConfig($config = array())
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{
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if (! is_array($config)) {
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/** @see Zend_Http_Client_Exception */
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require_once 'Zend/Http/Client/Exception.php';
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throw new Zend_Http_Client_Exception('Expected array parameter, given ' . gettype($config));
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}
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foreach ($config as $k => $v)
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$this->config[strtolower($k)] = $v;
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return $this;
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}
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/**
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* Set the next request's method
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*
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* Validated the passed method and sets it. If we have files set for
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* POST requests, and the new method is not POST, the files are silently
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* dropped.
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*
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* @param string $method
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* @return Zend_Http_Client
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* @throws Zend_Http_Client_Exception
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*/
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public function setMethod($method = self::GET)
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{
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$regex = '/^[^\x00-\x1f\x7f-\xff\(\)<>@,;:\\\\"\/\[\]\?={}\s]+$/';
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if (! preg_match($regex, $method)) {
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/** @see Zend_Http_Client_Exception */
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require_once 'Zend/Http/Client/Exception.php';
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throw new Zend_Http_Client_Exception("'{$method}' is not a valid HTTP request method.");
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}
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if ($method == self::POST && $this->enctype === null)
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$this->setEncType(self::ENC_URLENCODED);
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$this->method = $method;
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return $this;
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}
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/**
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* Set one or more request headers
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*
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* This function can be used in several ways to set the client's request
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* headers:
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* 1. By providing two parameters: $name as the header to set (eg. 'Host')
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* and $value as it's value (eg. 'www.example.com').
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* 2. By providing a single header string as the only parameter
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* eg. 'Host: www.example.com'
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* 3. By providing an array of headers as the first parameter
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* eg. array('host' => 'www.example.com', 'x-foo: bar'). In This case
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* the function will call itself recursively for each array item.
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*
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* @param string|array $name Header name, full header string ('Header: value')
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* or an array of headers
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* @param mixed $value Header value or null
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* @return Zend_Http_Client
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* @throws Zend_Http_Client_Exception
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*/
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public function setHeaders($name, $value = null)
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{
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// If we got an array, go recusive!
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if (is_array($name)) {
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foreach ($name as $k => $v) {
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if (is_string($k)) {
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$this->setHeaders($k, $v);
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} else {
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$this->setHeaders($v, null);
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}
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}
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} else {
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// Check if $name needs to be split
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if ($value === null && (strpos($name, ':') > 0))
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list($name, $value) = explode(':', $name, 2);
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// Make sure the name is valid if we are in strict mode
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if ($this->config['strict'] && (! preg_match('/^[a-zA-Z0-9-]+$/', $name))) {
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/** @see Zend_Http_Client_Exception */
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require_once 'Zend/Http/Client/Exception.php';
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throw new Zend_Http_Client_Exception("{$name} is not a valid HTTP header name");
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}
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$normalized_name = strtolower($name);
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// If $value is null or false, unset the header
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if ($value === null || $value === false) {
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unset($this->headers[$normalized_name]);
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// Else, set the header
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} else {
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// Header names are storred lowercase internally.
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if (is_string($value)) $value = trim($value);
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$this->headers[$normalized_name] = array($name, $value);
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}
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}
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return $this;
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}
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/**
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* Get the value of a specific header
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*
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* Note that if the header has more than one value, an array
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* will be returned.
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*
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* @param string $key
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* @return string|array|null The header value or null if it is not set
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*/
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public function getHeader($key)
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{
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$key = strtolower($key);
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if (isset($this->headers[$key])) {
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return $this->headers[$key][1];
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} else {
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return null;
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}
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}
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/**
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* Set a GET parameter for the request. Wrapper around _setParameter
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*
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* @param string|array $name
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* @param string $value
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* @return Zend_Http_Client
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*/
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public function setParameterGet($name, $value = null)
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{
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if (is_array($name)) {
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foreach ($name as $k => $v)
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$this->_setParameter('GET', $k, $v);
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} else {
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$this->_setParameter('GET', $name, $value);
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}
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return $this;
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}
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/**
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* Set a POST parameter for the request. Wrapper around _setParameter
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*
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* @param string|array $name
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* @param string $value
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* @return Zend_Http_Client
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*/
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public function setParameterPost($name, $value = null)
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{
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if (is_array($name)) {
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foreach ($name as $k => $v)
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$this->_setParameter('POST', $k, $v);
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} else {
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$this->_setParameter('POST', $name, $value);
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}
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return $this;
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}
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/**
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* Set a GET or POST parameter - used by SetParameterGet and SetParameterPost
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*
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* @param string $type GET or POST
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* @param string $name
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* @param string $value
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* @return null
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*/
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protected function _setParameter($type, $name, $value)
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{
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$parray = array();
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$type = strtolower($type);
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switch ($type) {
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case 'get':
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$parray = &$this->paramsGet;
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break;
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case 'post':
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$parray = &$this->paramsPost;
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break;
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}
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if ($value === null) {
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if (isset($parray[$name])) unset($parray[$name]);
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} else {
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$parray[$name] = $value;
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}
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}
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/**
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* Get the number of redirections done on the last request
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*
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* @return int
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*/
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public function getRedirectionsCount()
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{
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return $this->redirectCounter;
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}
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/**
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* Set HTTP authentication parameters
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*
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* $type should be one of the supported types - see the self::AUTH_*
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* constants.
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*
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* To enable authentication:
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* <code>
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* $this->setAuth('shahar', 'secret', Zend_Http_Client::AUTH_BASIC);
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* </code>
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*
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* To disable authentication:
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* <code>
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* $this->setAuth(false);
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* </code>
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*
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* @see http://www.faqs.org/rfcs/rfc2617.html
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* @param string|false $user User name or false disable authentication
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* @param string $password Password
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* @param string $type Authentication type
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* @return Zend_Http_Client
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* @throws Zend_Http_Client_Exception
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*/
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public function setAuth($user, $password = '', $type = self::AUTH_BASIC)
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{
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// If we got false or null, disable authentication
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if ($user === false || $user === null) {
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$this->auth = null;
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// Else, set up authentication
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} else {
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// Check we got a proper authentication type
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if (! defined('self::AUTH_' . strtoupper($type))) {
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/** @see Zend_Http_Client_Exception */
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require_once 'Zend/Http/Client/Exception.php';
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throw new Zend_Http_Client_Exception("Invalid or not supported authentication type: '$type'");
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}
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$this->auth = array(
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'user' => (string) $user,
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'password' => (string) $password,
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'type' => $type
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);
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}
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return $this;
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}
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/**
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* Set the HTTP client's cookie jar.
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*
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* A cookie jar is an object that holds and maintains cookies across HTTP requests
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* and responses.
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*
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* @param Zend_Http_CookieJar|boolean $cookiejar Existing cookiejar object, true to create a new one, false to disable
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* @return Zend_Http_Client
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* @throws Zend_Http_Client_Exception
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*/
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public function setCookieJar($cookiejar = true)
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{
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if (! class_exists('Zend_Http_CookieJar'))
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require_once 'Zend/Http/CookieJar.php';
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if ($cookiejar instanceof Zend_Http_CookieJar) {
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$this->cookiejar = $cookiejar;
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} elseif ($cookiejar === true) {
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$this->cookiejar = new Zend_Http_CookieJar();
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} elseif (! $cookiejar) {
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$this->cookiejar = null;
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} else {
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/** @see Zend_Http_Client_Exception */
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require_once 'Zend/Http/Client/Exception.php';
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throw new Zend_Http_Client_Exception('Invalid parameter type passed as CookieJar');
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}
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return $this;
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}
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/**
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* Return the current cookie jar or null if none.
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*
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* @return Zend_Http_CookieJar|null
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*/
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public function getCookieJar()
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{
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return $this->cookiejar;
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}
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|
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/**
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|
* Add a cookie to the request. If the client has no Cookie Jar, the cookies
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|
* will be added directly to the headers array as "Cookie" headers.
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|
*
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|
* @param Zend_Http_Cookie|string $cookie
|
|
* @param string|null $value If "cookie" is a string, this is the cookie value.
|
|
* @return Zend_Http_Client
|
|
* @throws Zend_Http_Client_Exception
|
|
*/
|
|
public function setCookie($cookie, $value = null)
|
|
{
|
|
if (! class_exists('Zend_Http_Cookie'))
|
|
require_once 'Zend/Http/Cookie.php';
|
|
|
|
if (is_array($cookie)) {
|
|
foreach ($cookie as $c => $v) {
|
|
if (is_string($c)) {
|
|
$this->setCookie($c, $v);
|
|
} else {
|
|
$this->setCookie($v);
|
|
}
|
|
}
|
|
|
|
return $this;
|
|
}
|
|
|
|
if ($value !== null) $value = urlencode($value);
|
|
|
|
if (isset($this->cookiejar)) {
|
|
if ($cookie instanceof Zend_Http_Cookie) {
|
|
$this->cookiejar->addCookie($cookie);
|
|
} elseif (is_string($cookie) && $value !== null) {
|
|
$cookie = Zend_Http_Cookie::fromString("{$cookie}={$value}", $this->uri);
|
|
$this->cookiejar->addCookie($cookie);
|
|
}
|
|
} else {
|
|
if ($cookie instanceof Zend_Http_Cookie) {
|
|
$name = $cookie->getName();
|
|
$value = $cookie->getValue();
|
|
$cookie = $name;
|
|
}
|
|
|
|
if (preg_match("/[=,; \t\r\n\013\014]/", $cookie)) {
|
|
/** @see Zend_Http_Client_Exception */
|
|
require_once 'Zend/Http/Client/Exception.php';
|
|
throw new Zend_Http_Client_Exception("Cookie name cannot contain these characters: =,; \t\r\n\013\014 ({$cookie})");
|
|
}
|
|
|
|
$value = addslashes($value);
|
|
|
|
if (! isset($this->headers['cookie'])) $this->headers['cookie'] = array('Cookie', '');
|
|
$this->headers['cookie'][1] .= $cookie . '=' . $value . '; ';
|
|
}
|
|
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Set a file to upload (using a POST request)
|
|
*
|
|
* Can be used in two ways:
|
|
*
|
|
* 1. $data is null (default): $filename is treated as the name if a local file which
|
|
* will be read and sent. Will try to guess the content type using mime_content_type().
|
|
* 2. $data is set - $filename is sent as the file name, but $data is sent as the file
|
|
* contents and no file is read from the file system. In this case, you need to
|
|
* manually set the content-type ($ctype) or it will default to
|
|
* application/octet-stream.
|
|
*
|
|
* @param string $filename Name of file to upload, or name to save as
|
|
* @param string $formname Name of form element to send as
|
|
* @param string $data Data to send (if null, $filename is read and sent)
|
|
* @param string $ctype Content type to use (if $data is set and $ctype is
|
|
* null, will be application/octet-stream)
|
|
* @return Zend_Http_Client
|
|
* @throws Zend_Http_Client_Exception
|
|
*/
|
|
public function setFileUpload($filename, $formname, $data = null, $ctype = null)
|
|
{
|
|
if ($data === null) {
|
|
if (($data = @file_get_contents($filename)) === false) {
|
|
/** @see Zend_Http_Client_Exception */
|
|
require_once 'Zend/Http/Client/Exception.php';
|
|
throw new Zend_Http_Client_Exception("Unable to read file '{$filename}' for upload");
|
|
}
|
|
|
|
if (! $ctype) $ctype = $this->_detectFileMimeType($filename);
|
|
}
|
|
|
|
// Force enctype to multipart/form-data
|
|
$this->setEncType(self::ENC_FORMDATA);
|
|
|
|
$this->files[$formname] = array(basename($filename), $ctype, $data);
|
|
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Set the encoding type for POST data
|
|
*
|
|
* @param string $enctype
|
|
* @return Zend_Http_Client
|
|
*/
|
|
public function setEncType($enctype = self::ENC_URLENCODED)
|
|
{
|
|
$this->enctype = $enctype;
|
|
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Set the raw (already encoded) POST data.
|
|
*
|
|
* This function is here for two reasons:
|
|
* 1. For advanced user who would like to set their own data, already encoded
|
|
* 2. For backwards compatibilty: If someone uses the old post($data) method.
|
|
* this method will be used to set the encoded data.
|
|
*
|
|
* @param string $data
|
|
* @param string $enctype
|
|
* @return Zend_Http_Client
|
|
*/
|
|
public function setRawData($data, $enctype = null)
|
|
{
|
|
$this->raw_post_data = $data;
|
|
$this->setEncType($enctype);
|
|
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Clear all GET and POST parameters
|
|
*
|
|
* Should be used to reset the request parameters if the client is
|
|
* used for several concurrent requests.
|
|
*
|
|
* @return Zend_Http_Client
|
|
*/
|
|
public function resetParameters()
|
|
{
|
|
// Reset parameter data
|
|
$this->paramsGet = array();
|
|
$this->paramsPost = array();
|
|
$this->files = array();
|
|
$this->raw_post_data = null;
|
|
|
|
// Clear outdated headers
|
|
if (isset($this->headers['content-type'])) unset($this->headers['content-type']);
|
|
if (isset($this->headers['content-length'])) unset($this->headers['content-length']);
|
|
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Get the last HTTP request as string
|
|
*
|
|
* @return string
|
|
*/
|
|
public function getLastRequest()
|
|
{
|
|
return $this->last_request;
|
|
}
|
|
|
|
/**
|
|
* Get the last HTTP response received by this client
|
|
*
|
|
* If $config['storeresponse'] is set to false, or no response was
|
|
* stored yet, will return null
|
|
*
|
|
* @return Zend_Http_Response or null if none
|
|
*/
|
|
public function getLastResponse()
|
|
{
|
|
return $this->last_response;
|
|
}
|
|
|
|
/**
|
|
* Load the connection adapter
|
|
*
|
|
* While this method is not called more than one for a client, it is
|
|
* seperated from ->request() to preserve logic and readability
|
|
*
|
|
* @param Zend_Http_Client_Adapter_Interface|string $adapter
|
|
* @return null
|
|
* @throws Zend_Http_Client_Exception
|
|
*/
|
|
public function setAdapter($adapter)
|
|
{
|
|
if (is_string($adapter)) {
|
|
try {
|
|
Zend_Loader::loadClass($adapter);
|
|
} catch (Zend_Exception $e) {
|
|
/** @see Zend_Http_Client_Exception */
|
|
require_once 'Zend/Http/Client/Exception.php';
|
|
throw new Zend_Http_Client_Exception("Unable to load adapter '$adapter': {$e->getMessage()}");
|
|
}
|
|
|
|
$adapter = new $adapter;
|
|
}
|
|
|
|
if (! $adapter instanceof Zend_Http_Client_Adapter_Interface) {
|
|
/** @see Zend_Http_Client_Exception */
|
|
require_once 'Zend/Http/Client/Exception.php';
|
|
throw new Zend_Http_Client_Exception('Passed adapter is not a HTTP connection adapter');
|
|
}
|
|
|
|
$this->adapter = $adapter;
|
|
$config = $this->config;
|
|
unset($config['adapter']);
|
|
$this->adapter->setConfig($config);
|
|
}
|
|
|
|
/**
|
|
* Send the HTTP request and return an HTTP response object
|
|
*
|
|
* @param string $method
|
|
* @return Zend_Http_Response
|
|
* @throws Zend_Http_Client_Exception
|
|
*/
|
|
public function request($method = null)
|
|
{
|
|
if (! $this->uri instanceof Zend_Uri_Http) {
|
|
/** @see Zend_Http_Client_Exception */
|
|
require_once 'Zend/Http/Client/Exception.php';
|
|
throw new Zend_Http_Client_Exception('No valid URI has been passed to the client');
|
|
}
|
|
|
|
if ($method) $this->setMethod($method);
|
|
$this->redirectCounter = 0;
|
|
$response = null;
|
|
|
|
// Make sure the adapter is loaded
|
|
if ($this->adapter == null) $this->setAdapter($this->config['adapter']);
|
|
|
|
// Send the first request. If redirected, continue.
|
|
do {
|
|
// Clone the URI and add the additional GET parameters to it
|
|
$uri = clone $this->uri;
|
|
if (! empty($this->paramsGet)) {
|
|
$query = $uri->getQuery();
|
|
if (! empty($query)) $query .= '&';
|
|
$query .= http_build_query($this->paramsGet, null, '&');
|
|
|
|
$uri->setQuery($query);
|
|
}
|
|
|
|
$body = $this->_prepareBody();
|
|
$headers = $this->_prepareHeaders();
|
|
|
|
// Open the connection, send the request and read the response
|
|
$this->adapter->connect($uri->getHost(), $uri->getPort(),
|
|
($uri->getScheme() == 'https' ? true : false));
|
|
|
|
$this->last_request = $this->adapter->write($this->method,
|
|
$uri, $this->config['httpversion'], $headers, $body);
|
|
|
|
$response = $this->adapter->read();
|
|
if (! $response) {
|
|
/** @see Zend_Http_Client_Exception */
|
|
require_once 'Zend/Http/Client/Exception.php';
|
|
throw new Zend_Http_Client_Exception('Unable to read response, or response is empty');
|
|
}
|
|
|
|
$response = Zend_Http_Response::fromString($response);
|
|
if ($this->config['storeresponse']) $this->last_response = $response;
|
|
|
|
// Load cookies into cookie jar
|
|
if (isset($this->cookiejar)) $this->cookiejar->addCookiesFromResponse($response, $uri);
|
|
|
|
// If we got redirected, look for the Location header
|
|
if ($response->isRedirect() && ($location = $response->getHeader('location'))) {
|
|
|
|
// Check whether we send the exact same request again, or drop the parameters
|
|
// and send a GET request
|
|
if ($response->getStatus() == 303 ||
|
|
((! $this->config['strictredirects']) && ($response->getStatus() == 302 ||
|
|
$response->getStatus() == 301))) {
|
|
|
|
$this->resetParameters();
|
|
$this->setMethod(self::GET);
|
|
}
|
|
|
|
// If we got a well formed absolute URI
|
|
if (Zend_Uri_Http::check($location)) {
|
|
$this->setHeaders('host', null);
|
|
$this->setUri($location);
|
|
|
|
} else {
|
|
|
|
// Split into path and query and set the query
|
|
if (strpos($location, '?') !== false) {
|
|
list($location, $query) = explode('?', $location, 2);
|
|
} else {
|
|
$query = '';
|
|
}
|
|
$this->uri->setQuery($query);
|
|
|
|
// Else, if we got just an absolute path, set it
|
|
if(strpos($location, '/') === 0) {
|
|
$this->uri->setPath($location);
|
|
|
|
// Else, assume we have a relative path
|
|
} else {
|
|
// Get the current path directory, removing any trailing slashes
|
|
$path = $this->uri->getPath();
|
|
$path = rtrim(substr($path, 0, strrpos($path, '/')), "/");
|
|
$this->uri->setPath($path . '/' . $location);
|
|
}
|
|
}
|
|
++$this->redirectCounter;
|
|
|
|
} else {
|
|
// If we didn't get any location, stop redirecting
|
|
break;
|
|
}
|
|
|
|
} while ($this->redirectCounter < $this->config['maxredirects']);
|
|
|
|
return $response;
|
|
}
|
|
|
|
/**
|
|
* Prepare the request headers
|
|
*
|
|
* @return array
|
|
*/
|
|
protected function _prepareHeaders()
|
|
{
|
|
$headers = array();
|
|
|
|
// Set the host header
|
|
if (! isset($this->headers['host'])) {
|
|
$host = $this->uri->getHost();
|
|
|
|
// If the port is not default, add it
|
|
if (! (($this->uri->getScheme() == 'http' && $this->uri->getPort() == 80) ||
|
|
($this->uri->getScheme() == 'https' && $this->uri->getPort() == 443))) {
|
|
$host .= ':' . $this->uri->getPort();
|
|
}
|
|
|
|
$headers[] = "Host: {$host}";
|
|
}
|
|
|
|
// Set the connection header
|
|
if (! isset($this->headers['connection'])) {
|
|
if (! $this->config['keepalive']) $headers[] = "Connection: close";
|
|
}
|
|
|
|
// Set the Accept-encoding header if not set - depending on whether
|
|
// zlib is available or not.
|
|
if (! isset($this->headers['accept-encoding'])) {
|
|
if (function_exists('gzinflate')) {
|
|
$headers[] = 'Accept-encoding: gzip, deflate';
|
|
} else {
|
|
$headers[] = 'Accept-encoding: identity';
|
|
}
|
|
}
|
|
|
|
// Set the content-type header
|
|
if ($this->method == self::POST &&
|
|
(! isset($this->headers['content-type']) && isset($this->enctype))) {
|
|
|
|
$headers[] = "Content-type: {$this->enctype}";
|
|
}
|
|
|
|
// Set the user agent header
|
|
if (! isset($this->headers['user-agent']) && isset($this->config['useragent'])) {
|
|
$headers[] = "User-agent: {$this->config['useragent']}";
|
|
}
|
|
|
|
// Set HTTP authentication if needed
|
|
if (is_array($this->auth)) {
|
|
$auth = self::encodeAuthHeader($this->auth['user'], $this->auth['password'], $this->auth['type']);
|
|
$headers[] = "Authorization: {$auth}";
|
|
}
|
|
|
|
// Load cookies from cookie jar
|
|
if (isset($this->cookiejar)) {
|
|
$cookstr = $this->cookiejar->getMatchingCookies($this->uri,
|
|
true, Zend_Http_CookieJar::COOKIE_STRING_CONCAT);
|
|
|
|
if ($cookstr) $headers[] = "Cookie: {$cookstr}";
|
|
}
|
|
|
|
// Add all other user defined headers
|
|
foreach ($this->headers as $header) {
|
|
list($name, $value) = $header;
|
|
if (is_array($value))
|
|
$value = implode(', ', $value);
|
|
|
|
$headers[] = "$name: $value";
|
|
}
|
|
|
|
return $headers;
|
|
}
|
|
|
|
/**
|
|
* Prepare the request body (for POST and PUT requests)
|
|
*
|
|
* @return string
|
|
* @throws Zend_Http_Client_Exception
|
|
*/
|
|
protected function _prepareBody()
|
|
{
|
|
// According to RFC2616, a TRACE request should not have a body.
|
|
if ($this->method == self::TRACE) {
|
|
return '';
|
|
}
|
|
|
|
// If we have raw_post_data set, just use it as the body.
|
|
if (isset($this->raw_post_data)) {
|
|
$this->setHeaders('Content-length', strlen($this->raw_post_data));
|
|
return $this->raw_post_data;
|
|
}
|
|
|
|
$body = '';
|
|
|
|
// If we have files to upload, force enctype to multipart/form-data
|
|
if (count ($this->files) > 0) $this->setEncType(self::ENC_FORMDATA);
|
|
|
|
// If we have POST parameters or files, encode and add them to the body
|
|
if (count($this->paramsPost) > 0 || count($this->files) > 0) {
|
|
switch($this->enctype) {
|
|
case self::ENC_FORMDATA:
|
|
// Encode body as multipart/form-data
|
|
$boundary = '---ZENDHTTPCLIENT-' . md5(microtime());
|
|
$this->setHeaders('Content-type', self::ENC_FORMDATA . "; boundary={$boundary}");
|
|
|
|
// Get POST parameters and encode them
|
|
$params = $this->_getParametersRecursive($this->paramsPost);
|
|
foreach ($params as $pp) {
|
|
$body .= self::encodeFormData($boundary, $pp[0], $pp[1]);
|
|
}
|
|
|
|
// Encode files
|
|
foreach ($this->files as $name => $file) {
|
|
$fhead = array('Content-type' => $file[1]);
|
|
$body .= self::encodeFormData($boundary, $name, $file[2], $file[0], $fhead);
|
|
}
|
|
|
|
$body .= "--{$boundary}--\r\n";
|
|
break;
|
|
|
|
case self::ENC_URLENCODED:
|
|
// Encode body as application/x-www-form-urlencoded
|
|
$this->setHeaders('Content-type', self::ENC_URLENCODED);
|
|
$body = http_build_query($this->paramsPost, '', '&');
|
|
break;
|
|
|
|
default:
|
|
/** @see Zend_Http_Client_Exception */
|
|
require_once 'Zend/Http/Client/Exception.php';
|
|
throw new Zend_Http_Client_Exception("Cannot handle content type '{$this->enctype}' automatically." .
|
|
" Please use Zend_Http_Client::setRawData to send this kind of content.");
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Set the content-length if we have a body or if request is POST/PUT
|
|
if ($body || $this->method == self::POST || $this->method == self::PUT) {
|
|
$this->setHeaders('Content-length', strlen($body));
|
|
}
|
|
|
|
return $body;
|
|
}
|
|
|
|
/**
|
|
* Helper method that gets a possibly multi-level parameters array (get or
|
|
* post) and flattens it.
|
|
*
|
|
* The method returns an array of (key, value) pairs (because keys are not
|
|
* necessarily unique. If one of the parameters in as array, it will also
|
|
* add a [] suffix to the key.
|
|
*
|
|
* @param array $parray The parameters array
|
|
* @param bool $urlencode Whether to urlencode the name and value
|
|
* @return array
|
|
*/
|
|
protected function _getParametersRecursive($parray, $urlencode = false)
|
|
{
|
|
if (! is_array($parray)) return $parray;
|
|
$parameters = array();
|
|
|
|
foreach ($parray as $name => $value) {
|
|
if ($urlencode) $name = urlencode($name);
|
|
|
|
// If $value is an array, iterate over it
|
|
if (is_array($value)) {
|
|
$name .= ($urlencode ? '%5B%5D' : '[]');
|
|
foreach ($value as $subval) {
|
|
if ($urlencode) $subval = urlencode($subval);
|
|
$parameters[] = array($name, $subval);
|
|
}
|
|
} else {
|
|
if ($urlencode) $value = urlencode($value);
|
|
$parameters[] = array($name, $value);
|
|
}
|
|
}
|
|
|
|
return $parameters;
|
|
}
|
|
|
|
/**
|
|
* Attempt to detect the MIME type of a file using available extensions
|
|
*
|
|
* This method will try to detect the MIME type of a file. If the fileinfo
|
|
* extension is available, it will be used. If not, the mime_magic
|
|
* extension which is deprected but is still available in many PHP setups
|
|
* will be tried.
|
|
*
|
|
* If neither extension is available, the default application/octet-stream
|
|
* MIME type will be returned
|
|
*
|
|
* @param string $file File path
|
|
* @return string MIME type
|
|
*/
|
|
protected function _detectFileMimeType($file)
|
|
{
|
|
$type = null;
|
|
|
|
// First try with fileinfo functions
|
|
if (function_exists('finfo_open')) {
|
|
if (self::$_fileInfoDb === null) {
|
|
self::$_fileInfoDb = @finfo_open(FILEINFO_MIME);
|
|
}
|
|
|
|
if (self::$_fileInfoDb) {
|
|
$type = finfo_file(self::$_fileInfoDb, $file);
|
|
}
|
|
|
|
} elseif (function_exists('mime_content_type')) {
|
|
$type = mime_content_type($file);
|
|
}
|
|
|
|
// Fallback to the default application/octet-stream
|
|
if (! $type) {
|
|
$type = 'application/octet-stream';
|
|
}
|
|
|
|
return $type;
|
|
}
|
|
|
|
/**
|
|
* Encode data to a multipart/form-data part suitable for a POST request.
|
|
*
|
|
* @param string $boundary
|
|
* @param string $name
|
|
* @param mixed $value
|
|
* @param string $filename
|
|
* @param array $headers Associative array of optional headers @example ("Content-transfer-encoding" => "binary")
|
|
* @return string
|
|
*/
|
|
public static function encodeFormData($boundary, $name, $value, $filename = null, $headers = array()) {
|
|
$ret = "--{$boundary}\r\n" .
|
|
'Content-disposition: form-data; name="' . $name .'"';
|
|
|
|
if ($filename) $ret .= '; filename="' . $filename . '"';
|
|
$ret .= "\r\n";
|
|
|
|
foreach ($headers as $hname => $hvalue) {
|
|
$ret .= "{$hname}: {$hvalue}\r\n";
|
|
}
|
|
$ret .= "\r\n";
|
|
|
|
$ret .= "{$value}\r\n";
|
|
|
|
return $ret;
|
|
}
|
|
|
|
/**
|
|
* Create a HTTP authentication "Authorization:" header according to the
|
|
* specified user, password and authentication method.
|
|
*
|
|
* @see http://www.faqs.org/rfcs/rfc2617.html
|
|
* @param string $user
|
|
* @param string $password
|
|
* @param string $type
|
|
* @return string
|
|
* @throws Zend_Http_Client_Exception
|
|
*/
|
|
public static function encodeAuthHeader($user, $password, $type = self::AUTH_BASIC)
|
|
{
|
|
$authHeader = null;
|
|
|
|
switch ($type) {
|
|
case self::AUTH_BASIC:
|
|
// In basic authentication, the user name cannot contain ":"
|
|
if (strpos($user, ':') !== false) {
|
|
/** @see Zend_Http_Client_Exception */
|
|
require_once 'Zend/Http/Client/Exception.php';
|
|
throw new Zend_Http_Client_Exception("The user name cannot contain ':' in 'Basic' HTTP authentication");
|
|
}
|
|
|
|
$authHeader = 'Basic ' . base64_encode($user . ':' . $password);
|
|
break;
|
|
|
|
//case self::AUTH_DIGEST:
|
|
/**
|
|
* @todo Implement digest authentication
|
|
*/
|
|
// break;
|
|
|
|
default:
|
|
/** @see Zend_Http_Client_Exception */
|
|
require_once 'Zend/Http/Client/Exception.php';
|
|
throw new Zend_Http_Client_Exception("Not a supported HTTP authentication type: '$type'");
|
|
}
|
|
|
|
return $authHeader;
|
|
}
|
|
}
|