/tests/canoo/tests/testcases/level0/2.8.1/plug-ins/www/admin/plugins/oxMarket/library/Zend/Http/Client/Adapter/Curl.php

<?php



/**

 * Zend Framework

 *

 * LICENSE

 *

 * This source file is subject to the new BSD license that is bundled

 * with this package in the file LICENSE.txt.

 * It is also available through the world-wide-web at this URL:

 * http://framework.zend.com/license/new-bsd

 * If you did not receive a copy of the license and are unable to

 * obtain it through the world-wide-web, please send an email

 * to license@zend.com so we can send you a copy immediately.

 *

 * @category   Zend

 * @package    Zend_Http

 * @subpackage Client_Adapter

 * @version    $Id: Curl.php 34116 2009-03-23 10:41:43Z lukasz.wikierski $

 * @copyright  Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)

 * @license    http://framework.zend.com/license/new-bsd     New BSD License

 */



require_once 'Zend/Uri/Http.php';

require_once 'Zend/Http/Client/Adapter/Interface.php';

require_once 'Zend/Http/Client/Adapter/Exception.php';



/**

 * An adapter class for Zend_Http_Client based on the curl extension.

 * Curl requires libcurl. See for full requirements the PHP manual: http://php.net/curl

 *

 * @category   Zend

 * @package    Zend_Http

 * @subpackage Client_Adapter

 * @copyright  Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)

 * @license    http://framework.zend.com/license/new-bsd     New BSD License

 */

class Zend_Http_Client_Adapter_Curl implements Zend_Http_Client_Adapter_Interface

{

    /**

     * The curl session handle

     *

     * @var resource|null

     */

    protected $curl = null;



    /**

     * What host/port are we connected to?

     *

     * @var array

     */

    protected $connected_to = array(null, null);



    /**

     * Parameters array

     *

     * @var array

     */

    protected $config = array();



    /**

     * Response gotten from server

     *

     * @var string

     */

    protected $response = null;



    /**

     * Adapter constructor, currently empty. Config is set using setConfig()

     * @throws Zend_Http_Client_Adapter_Exception

     */

    public function __construct()

    {

        if(extension_loaded('curl') === false) {

            throw new Zend_Http_Client_Adapter_Exception('cURL extension has to be loaded to use this Zend_Http_Client adapter.');

        }

    }



    /**

     * Set the configuration array for the adapter

     *

     * @throws Zend_Http_Client_Adapter_Exception

     * @param array $config

     */

    public function setConfig($config = array())

    {

        if (! is_array($config)) {

            throw new Zend_Http_Client_Adapter_Exception('Http Adapter configuration expects an array, ' . gettype($config) . ' recieved.');

        }



        foreach ($config as $k => $v) {

            $this->config[strtolower($k)] = $v;

        }

    }



    /**

     * Direct setter for cURL adapter related options.

     * 

     * @param  string|int $option

     * @param  mixed $value

     * @return Zend_Http_Adapter_Curl

     */

    public function setCurlOption($option, $value)

    {

        if(!isset($this->config['curloptions'])) {

            $this->config['curloptions'] = array();

        }

        $this->config['curloptions'][$option] = $value;

        return $this;

    }



    /**

     * Initialize curl

     *

     * @param string  $host

     * @param int     $port

     * @param boolean $secure

     */

    public function connect($host, $port = 80, $secure = false)

    {

        // If we're already connected, disconnect first

        if ($this->curl) $this->close();



        // If we are connected to a different server or port, disconnect first

        if ($this->curl && is_array($this->connected_to) &&

            ($this->connected_to[0] != $host || $this->connected_to[1] != $port))

        $this->close();



        // Do the actual connection

        $this->curl = curl_init();

        if ($port != 80) {

            curl_setopt($this->curl, CURLOPT_PORT, intval($port));

        }



        // Set timeout

        curl_setopt($this->curl, CURLOPT_TIMEOUT, $this->config['timeout']);



        // Set Max redirects

        curl_setopt($this->curl, CURLOPT_MAXREDIRS, $this->config['maxredirects']);



        if (! $this->curl) {

            $this->close();

            throw new Zend_Http_Client_Adapter_Exception('Unable to Connect to ' .

            $host . ':' . $port);

        }



        if($secure == true) {

            // Behave the same like Zend_Http_Adapter_Socket on SSL options.

            if($this->config['sslcert'] != null) {

                curl_setopt($this->curl, CURLOPT_SSLCERT, $this->config['sslcert']);

            }

            if($this->config['sslpassphrase'] !== null) {

                curl_setopt($this->curl, CURLOPT_SSLCERTPASSWD, $this->config['sslpassphrase']);

            }

        }



        // Update connected_to

        $this->connected_to = array($host, $port);

    }



    /**

     * Send request to the remote server

     *

     * @param  string        $method

     * @param  Zend_Uri_Http $uri

     * @param  float         $http_ver

     * @param  array         $headers

     * @param  string        $body

     * @return string        $request

     */

    public function write($method, $uri, $http_ver = '1.1', $headers = array(), $body = '')

    {

        $invalidOverwritableCurlOptions = array(

            CURLOPT_HTTPGET, CURLOPT_POST, CURLOPT_PUT, CURLOPT_CUSTOMREQUEST, CURLOPT_HEADER,

            CURLOPT_RETURNTRANSFER, CURLOPT_HTTPHEADER, CURLOPT_POSTFIELDS, CURLOPT_INFILE,

            CURLOPT_INFILESIZE, CURLOPT_PORT, CURLOPT_MAXREDIRS, CURLOPT_TIMEOUT,

            CURL_HTTP_VERSION_1_1, CURL_HTTP_VERSION_1_0

        );



        // set URL

        curl_setopt($this->curl, CURLOPT_URL, $uri->__toString());

        // Make sure we're properly connected

        if (! $this->curl)

            throw new Zend_Http_Client_Adapter_Exception("Trying to write but we are not connected");



        if ($this->connected_to[0] != $uri->getHost() || $this->connected_to[1] != $uri->getPort())

            throw new Zend_Http_Client_Adapter_Exception("Trying to write but we are connected to the wrong host");



        // ensure correct curl call

        $curlValue = true;

        if ($method == Zend_Http_Client::GET) {

            $curlMethod = CURLOPT_HTTPGET;

        } elseif ($method == Zend_Http_Client::POST) {

            $curlMethod = CURLOPT_POST;

        } elseif($method == Zend_Http_Client::PUT) {

            // There are two different types of PUT request, either a Raw Data string has been set

            // or CURLOPT_INFILE and CURLOPT_INFILESIZE are used.

            if(isset($this->config['curloptions'][CURLOPT_INFILE])) {

                if(!isset($this->config['curloptions'][CURLOPT_INFILESIZE])) {

                    throw new Zend_Http_Client_Exception("Cannot set a file-handle for cURL option CURLOPT_INFILE without also setting its size in CURLOPT_INFILESIZE.");

                }

                // Now we will probably already have Content-Length set, so that we have to delete it

                // from $headers at this point:

                foreach($headers AS $k => $header) {

                    if(stristr($header, "Content-Length:") !== false) {

                        unset($headers[$k]);

                    }

                }

                $curlMethod = CURLOPT_PUT;

            } else {

                $curlMethod = CURLOPT_CUSTOMREQUEST;

                $curlValue = "PUT";

            }

        } elseif($method == Zend_Http_Client::DELETE) {

            $curlMethod = CURLOPT_CUSTOMREQUEST;

            $curlValue = "DELETE";

        } elseif($method == Zend_Http_Client::OPTIONS) {

            $curlMethod = CURLOPT_CUSTOMREQUEST;

            $curlValue = "OPTIONS";

        } elseif($method == Zend_Http_Client::TRACE) {

            $curlMethod = CURLOPT_CUSTOMREQUEST;

            $curlValue = "TRACE";

        } else {

            // For now, through an exception for unsupported request methods

            throw new Zend_Http_Client_Adapter_Exception("Method currently not supported");

        }



        // get http version to use

        $curlHttp = ($http_ver = 1.1) ? CURL_HTTP_VERSION_1_1 : CURL_HTTP_VERSION_1_0;



        curl_setopt($this->curl, $curlMethod, $curlValue);

        curl_setopt($this->curl, $curlHttp, true);



        // ensure headers are also returned

        curl_setopt($this->curl, CURLOPT_HEADER, true);

        // ensure actual response is returned

        curl_setopt($this->curl, CURLOPT_RETURNTRANSFER, true);



        // set additional headers

        $headers['Accept'] = "";

        curl_setopt($this->curl, CURLOPT_HTTPHEADER, $headers);



        /**

         * Make sure POSTFIELDS is set after $curlMethod is set:

         * @link http://de2.php.net/manual/en/function.curl-setopt.php#81161

         */

        if ($method == Zend_Http_Client::POST) {

            curl_setopt($this->curl, CURLOPT_POSTFIELDS, $body);

        } else if($curlMethod == CURLOPT_PUT) {

            // this covers a PUT by file-handle:

            // Make the setting of this options explicit (rather than setting it through the loop following a bit lower)

            // to group common functionality together.

            curl_setopt($this->curl, CURLOPT_INFILE, $this->config['curloptions'][CURLOPT_INFILE]);

            curl_setopt($this->curl, CURLOPT_INFILESIZE, $this->config['curloptions'][CURLOPT_INFILESIZE]);

            unset($this->config['curloptions'][CURLOPT_INFILE]);

            unset($this->config['curloptions'][CURLOPT_INFILESIZE]);

        } else if($method == Zend_Http_Client::PUT) {

            // This is a PUT by a setRawData string, not by file-handle

            curl_setopt($this->curl, CURLOPT_POSTFIELDS, $body);

        }



        // set additional curl options

        if(isset($this->config['curloptions'])) {

            foreach((array)$this->config['curloptions'] AS $k => $v) {

                if(!in_array($k, $invalidOverwritableCurlOptions)) {

                    if(curl_setopt($this->curl, $k, $v) == false) {

                        throw new Zend_Http_Client_Exception(sprintf("Unknown or erroreous cURL option '%s' set", $k));

                    }

                }

            }

        }



        // send the request

        $this->response = curl_exec($this->curl);



        $request = curl_getinfo($this->curl, CURLINFO_HEADER_OUT);

        $request .= $body;



        if(empty($this->response)) {

            throw new Zend_Http_Client_Exception("Error in cURL request: ".curl_error($this->curl));

        }



        // cURL automatically decodes chunked-messages, this means we have to disallow the Zend_Http_Response to do it again

        if(stripos($this->response, "Transfer-Encoding: chunked\r\n")) {

            $this->response = str_ireplace("Transfer-Encoding: chunked\r\n", '', $this->response);

        }

        // TODO: Probably the pattern for multiple handshake requests is always the same, several HTTP codes in the response. Use that information?

        // cURL automactically handles Expect: 100-continue; and its responses. Delete the HTTP 100 CONTINUE from a response

        // because it messes up Zend_Http_Response parsing

        if(stripos($this->response, "HTTP/1.1 100 Continue\r\n\r\n") !== false) {

            $this->response = str_ireplace("HTTP/1.1 100 Continue\r\n\r\n", '', $this->response);

        }

        // cURL automatically handles Proxy rewrites, remove the "HTTP/1.0 200 Connection established" string:

        if(stripos($this->response, "HTTP/1.0 200 Connection established\r\n\r\n") !== false) {

            $this->response = str_ireplace("HTTP/1.0 200 Connection established\r\n\r\n", '', $this->response);

        }



        return $request;

    }



    /**

     * Return read response from server

     *

     * @return string

     */

    public function read()

    {

        return $this->response;

    }



    /**

     * Close the connection to the server

     *

     */

    public function close()

    {

        curl_close($this->curl);

        $this->curl = null;

        $this->connected_to = array(null, null);

    }



    /**

     * Destructor: make sure curl is disconnected

     *

     */

    public function __destruct()

    {

        if ($this->curl) $this->close();

    }

}