request.php

This is the script which used on 10minutemail.com for temporary email.

        // set '/' instead of empty path rather than check later (see bug #8662)
        if (empty($this->_url->path)) {
            $this->_url->path = '/';
        } 
    }
    
   /**
    * Returns the current request URL  
    *
    * @return   string  Current request URL
    * @access   public
    */
    function getUrl($url)
    {
        return empty($this->_url)? '': $this->_url->getUrl();
    }

    /**
    * Sets a proxy to be used
    *
    * @param string     Proxy host
    * @param int        Proxy port
    * @param string     Proxy username
    * @param string     Proxy password
    * @access public
    */
    function setProxy($host, $port = 8080, $user = null, $pass = null)
    {
        $this->_proxy_host = $host;
        $this->_proxy_port = $port;
        $this->_proxy_user = $user;
        $this->_proxy_pass = $pass;

        if (!empty($user)) {
            $this->addHeader('Proxy-Authorization', 'Basic ' . base64_encode($user . ':' . $pass));
        }
    }

    /**
    * Sets basic authentication parameters
    *
    * @param string     Username
    * @param string     Password
    */
    function setBasicAuth($user, $pass)
    {
        $this->_user = $user;
        $this->_pass = $pass;

        $this->addHeader('Authorization', 'Basic ' . base64_encode($user . ':' . $pass));
    }

    /**
    * Sets the method to be used, GET, POST etc.
    *
    * @param string     Method to use. Use the defined constants for this
    * @access public
    */
    function setMethod($method)
    {
        $this->_method = $method;
    }

    /**
    * Sets the HTTP version to use, 1.0 or 1.1
    *
    * @param string     Version to use. Use the defined constants for this
    * @access public
    */
    function setHttpVer($http)
    {
        $this->_http = $http;
    }

    /**
    * Adds a request header
    *
    * @param string     Header name
    * @param string     Header value
    * @access public
    */
    function addHeader($name, $value)
    {
        $this->_requestHeaders[strtolower($name)] = $value;
    }

    /**
    * Removes a request header
    *
    * @param string     Header name to remove
    * @access public
    */
    function removeHeader($name)
    {
        if (isset($this->_requestHeaders[strtolower($name)])) {
            unset($this->_requestHeaders[strtolower($name)]);
        }
    }

    /**
    * Adds a querystring parameter
    *
    * @param string     Querystring parameter name
    * @param string     Querystring parameter value
    * @param bool       Whether the value is already urlencoded or not, default = not
    * @access public
    */
    function addQueryString($name, $value, $preencoded = false)
    {
        $this->_url->addQueryString($name, $value, $preencoded);
    }    
    
    /**
    * Sets the querystring to literally what you supply
    *
    * @param string     The querystring data. Should be of the format foo=bar&x=y etc
    * @param bool       Whether data is already urlencoded or not, default = already encoded
    * @access public
    */
    function addRawQueryString($querystring, $preencoded = true)
    {
        $this->_url->addRawQueryString($querystring, $preencoded);
    }

    /**
    * Adds postdata items
    *
    * @param string     Post data name
    * @param string     Post data value
    * @param bool       Whether data is already urlencoded or not, default = not
    * @access public
    */
    function addPostData($name, $value, $preencoded = false)
    {
        if ($preencoded) {
            $this->_postData[$name] = $value;
        } else {
            $this->_postData[$name] = $this->_arrayMapRecursive('urlencode', $value);
        }
    }

   /**
    * Recursively applies the callback function to the value
    * 
    * @param    mixed   Callback function
    * @param    mixed   Value to process
    * @access   private
    * @return   mixed   Processed value
    */
    function _arrayMapRecursive($callback, $value)
    {
        if (!is_array($value)) {
            return call_user_func($callback, $value);
        } else {
            $map = array();
            foreach ($value as $k => $v) {
                $map[$k] = $this->_arrayMapRecursive($callback, $v);
            }
            return $map;
        }
    }

   /**
    * Adds a file to upload
    * 
    * This also changes content-type to 'multipart/form-data' for proper upload
    * 
    * @access public
    * @param  string    name of file-upload field
    * @param  mixed     file name(s)
    * @param  mixed     content-type(s) of file(s) being uploaded
    * @return bool      true on success
    * @throws PEAR_Error
    */
    function addFile($inputName, $fileName, $contentType = 'application/octet-stream')
    {
        if (!is_array($fileName) && !is_readable($fileName)) {
            return PEAR::raiseError("File '{$fileName}' is not readable");
        } elseif (is_array($fileName)) {
            foreach ($fileName as $name) {
                if (!is_readable($name)) {
                    return PEAR::raiseError("File '{$name}' is not readable");
                }
            }
        }
        $this->addHeader('Content-Type', 'multipart/form-data');
        $this->_postFiles[$inputName] = array(
            'name' => $fileName,
            'type' => $contentType
        );
        return true;
    }

    /**
    * Adds raw postdata (DEPRECATED)
    *
    * @param string     The data
    * @param bool       Whether data is preencoded or not, default = already encoded
    * @access public
    * @deprecated       deprecated since 1.3.0, method setBody() should be used instead
    */
    function addRawPostData($postdata, $preencoded = true)
    {
        $this->_body = $preencoded ? $postdata : urlencode($postdata);
    }

   /**
    * Sets the request body (for POST, PUT and similar requests)
    *
    * @param    string  Request body
    * @access   public
    */
    function setBody($body)
    {
        $this->_body = $body;
    }

    /**
    * Clears any postdata that has been added (DEPRECATED). 
    * 
    * Useful for multiple request scenarios.
    *
    * @access public
    * @deprecated deprecated since 1.2
    */
    function clearPostData()
    {
        $this->_postData = null;
    }

    /**
    * Appends a cookie to "Cookie:" header
    * 
    * @param string $name cookie name
    * @param string $value cookie value
    * @access public
    */
    function addCookie($name, $value)
    {
        $cookies = isset($this->_requestHeaders['cookie']) ? $this->_requestHeaders['cookie']. '; ' : '';
        $this->addHeader('Cookie', $cookies . $name . '=' . $value);
    }
    
    /**
    * Clears any cookies that have been added (DEPRECATED). 
    * 
    * Useful for multiple request scenarios
    *
    * @access public
    * @deprecated deprecated since 1.2
    */
    function clearCookies()
    {
        $this->removeHeader('Cookie');
    }

    /**
    * Sends the request
    *
    * @access public
    * @param  bool   Whether to store response body in Response object property,
    *                set this to false if downloading a LARGE file and using a Listener
    * @return mixed  PEAR error on error, true otherwise
    */
    function sendRequest($saveBody = true)
    {
        if (!is_a($this->_url, 'Net_URL')) {
            return PEAR::raiseError('No URL given.');
        }

        $host = isset($this->_proxy_host) ? $this->_proxy_host : $this->_url->host;
        $port = isset($this->_proxy_port) ? $this->_proxy_port : $this->_url->port;

        // 4.3.0 supports SSL connections using OpenSSL. The function test determines
        // we running on at least 4.3.0
        if (strcasecmp($this->_url->protocol, 'https') == 0 AND function_exists('file_get_contents') AND extension_loaded('openssl')) {
            if (isset($this->_proxy_host)) {
                return PEAR::raiseError('HTTPS proxies are not supported.');
            }
            $host = 'ssl://' . $host;
        }

        // magic quotes may fuck up file uploads and chunked response processing
        $magicQuotes = ini_get('magic_quotes_runtime');
        ini_set('magic_quotes_runtime', false);

        // RFC 2068, section 19.7.1: A client MUST NOT send the Keep-Alive 
        // connection token to a proxy server...
        if (isset($this->_proxy_host) && !empty($this->_requestHeaders['connection']) &&
            'Keep-Alive' == $this->_requestHeaders['connection'])
        {
            $this->removeHeader('connection');
        }

        $keepAlive = (HTTP_REQUEST_HTTP_VER_1_1 == $this->_http && empty($this->_requestHeaders['connection'])) ||
                     (!empty($this->_requestHeaders['connection']) && 'Keep-Alive' == $this->_requestHeaders['connection']);
        $sockets   = &PEAR::getStaticProperty('HTTP_Request', 'sockets');
        $sockKey   = $host . ':' . $port;
        unset($this->_sock);

        // There is a connected socket in the "static" property?
        if ($keepAlive && !empty($sockets[$sockKey]) &&
            !empty($sockets[$sockKey]->fp)) 
        {
            $this->_sock =& $sockets[$sockKey];
            $err = null;
        } else {
            $this->_notify('connect');
            $this->_sock =& new Net_Socket();
            $err = $this->_sock->connect($host, $port, null, $this->_timeout, $this->_socketOptions);
        }
        PEAR::isError($err) or $err = $this->_sock->write($this->_buildRequest());

        if (!PEAR::isError($err)) {
            if (!empty($this->_readTimeout)) {
                $this->_sock->setTimeout($this->_readTimeout[0], $this->_readTimeout[1]);
            }

            $this->_notify('sentRequest');

            // Read the response
            $this->_response = &new HTTP_Response($this->_sock, $this->_listeners);
            $err = $this->_response->process(
                $this->_saveBody && $saveBody,
                HTTP_REQUEST_METHOD_HEAD != $this->_method
            );

            if ($keepAlive) {
                $keepAlive = (isset($this->_response->_headers['content-length'])
                              || (isset($this->_response->_headers['transfer-encoding'])
                                  && strtolower($this->_response->_headers['transfer-encoding']) == 'chunked'));
                if ($keepAlive) {
                    if (isset($this->_response->_headers['connection'])) {
                        $keepAlive = strtolower($this->_response->_headers['connection']) == 'keep-alive';
                    } else {
                        $keepAlive = 'HTTP/'.HTTP_REQUEST_HTTP_VER_1_1 == $this->_response->_protocol;
                    }
                }
            }
        }

        ini_set('magic_quotes_runtime', $magicQuotes);

        if (PEAR::isError($err)) {
            return $err;
        }

        if (!$keepAlive) {
            $this->disconnect();
        // Store the connected socket in "static" property