Index: branches/version-2_13-dev/data/module/HTTP/Request2/Exception.php
===================================================================
--- branches/version-2_13-dev/data/module/HTTP/Request2/Exception.php	(revision 23125)
+++ branches/version-2_13-dev/data/module/HTTP/Request2/Exception.php	(revision 23125)
@@ -0,0 +1,183 @@
+<?php
+/**
+ * Exception classes for HTTP_Request2 package
+ *
+ * PHP version 5
+ *
+ * LICENSE:
+ *
+ * Copyright (c) 2008-2012, Alexey Borzov <avb@php.net>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *    * Redistributions of source code must retain the above copyright
+ *      notice, this list of conditions and the following disclaimer.
+ *    * Redistributions in binary form must reproduce the above copyright
+ *      notice, this list of conditions and the following disclaimer in the
+ *      documentation and/or other materials provided with the distribution.
+ *    * The names of the authors may not be used to endorse or promote products
+ *      derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @category HTTP
+ * @package  HTTP_Request2
+ * @author   Alexey Borzov <avb@php.net>
+ * @license  http://opensource.org/licenses/bsd-license.php New BSD License
+ * @version  SVN: $Id: Exception.php 324415 2012-03-21 10:50:50Z avb $
+ * @link     http://pear.php.net/package/HTTP_Request2
+ */
+
+/**
+ * Base class for exceptions in PEAR
+ */
+require_once 'PEAR/Exception.php';
+
+/**
+ * Base exception class for HTTP_Request2 package
+ *
+ * @category HTTP
+ * @package  HTTP_Request2
+ * @author   Alexey Borzov <avb@php.net>
+ * @license  http://opensource.org/licenses/bsd-license.php New BSD License
+ * @version  Release: 2.1.1
+ * @link     http://pear.php.net/package/HTTP_Request2
+ * @link     http://pear.php.net/pepr/pepr-proposal-show.php?id=132
+ */
+class HTTP_Request2_Exception extends PEAR_Exception
+{
+    /** An invalid argument was passed to a method */
+    const INVALID_ARGUMENT   = 1;
+    /** Some required value was not available */
+    const MISSING_VALUE      = 2;
+    /** Request cannot be processed due to errors in PHP configuration */
+    const MISCONFIGURATION   = 3;
+    /** Error reading the local file */
+    const READ_ERROR         = 4;
+
+    /** Server returned a response that does not conform to HTTP protocol */
+    const MALFORMED_RESPONSE = 10;
+    /** Failure decoding Content-Encoding or Transfer-Encoding of response */
+    const DECODE_ERROR       = 20;
+    /** Operation timed out */
+    const TIMEOUT            = 30;
+    /** Number of redirects exceeded 'max_redirects' configuration parameter */
+    const TOO_MANY_REDIRECTS = 40;
+    /** Redirect to a protocol other than http(s):// */
+    const NON_HTTP_REDIRECT  = 50;
+
+    /**
+     * Native error code
+     * @var int
+     */
+    private $_nativeCode;
+
+    /**
+     * Constructor, can set package error code and native error code
+     *
+     * @param string $message    exception message
+     * @param int    $code       package error code, one of class constants
+     * @param int    $nativeCode error code from underlying PHP extension
+     */
+    public function __construct($message = null, $code = null, $nativeCode = null)
+    {
+        parent::__construct($message, $code);
+        $this->_nativeCode = $nativeCode;
+    }
+
+    /**
+     * Returns error code produced by underlying PHP extension
+     *
+     * For Socket Adapter this may contain error number returned by
+     * stream_socket_client(), for Curl Adapter this will contain error number
+     * returned by curl_errno()
+     *
+     * @return integer
+     */
+    public function getNativeCode()
+    {
+        return $this->_nativeCode;
+    }
+}
+
+/**
+ * Exception thrown in case of missing features
+ *
+ * @category HTTP
+ * @package  HTTP_Request2
+ * @author   Alexey Borzov <avb@php.net>
+ * @license  http://opensource.org/licenses/bsd-license.php New BSD License
+ * @version  Release: 2.1.1
+ * @link     http://pear.php.net/package/HTTP_Request2
+ */
+class HTTP_Request2_NotImplementedException extends HTTP_Request2_Exception
+{
+}
+
+/**
+ * Exception that represents error in the program logic
+ *
+ * This exception usually implies a programmer's error, like passing invalid
+ * data to methods or trying to use PHP extensions that weren't installed or
+ * enabled. Usually exceptions of this kind will be thrown before request even
+ * starts.
+ *
+ * The exception will usually contain a package error code.
+ *
+ * @category HTTP
+ * @package  HTTP_Request2
+ * @author   Alexey Borzov <avb@php.net>
+ * @license  http://opensource.org/licenses/bsd-license.php New BSD License
+ * @version  Release: 2.1.1
+ * @link     http://pear.php.net/package/HTTP_Request2
+ */
+class HTTP_Request2_LogicException extends HTTP_Request2_Exception
+{
+}
+
+/**
+ * Exception thrown when connection to a web or proxy server fails
+ *
+ * The exception will not contain a package error code, but will contain
+ * native error code, as returned by stream_socket_client() or curl_errno().
+ *
+ * @category HTTP
+ * @package  HTTP_Request2
+ * @author   Alexey Borzov <avb@php.net>
+ * @license  http://opensource.org/licenses/bsd-license.php New BSD License
+ * @version  Release: 2.1.1
+ * @link     http://pear.php.net/package/HTTP_Request2
+ */
+class HTTP_Request2_ConnectionException extends HTTP_Request2_Exception
+{
+}
+
+/**
+ * Exception thrown when sending or receiving HTTP message fails
+ *
+ * The exception may contain both package error code and native error code.
+ *
+ * @category HTTP
+ * @package  HTTP_Request2
+ * @author   Alexey Borzov <avb@php.net>
+ * @license  http://opensource.org/licenses/bsd-license.php New BSD License
+ * @version  Release: 2.1.1
+ * @link     http://pear.php.net/package/HTTP_Request2
+ */
+class HTTP_Request2_MessageException extends HTTP_Request2_Exception
+{
+}
+?>
Index: branches/version-2_13-dev/data/module/HTTP/Request2/Response.php
===================================================================
--- branches/version-2_13-dev/data/module/HTTP/Request2/Response.php	(revision 23125)
+++ branches/version-2_13-dev/data/module/HTTP/Request2/Response.php	(revision 23125)
@@ -0,0 +1,654 @@
+<?php
+/**
+ * Class representing a HTTP response
+ *
+ * PHP version 5
+ *
+ * LICENSE:
+ *
+ * Copyright (c) 2008-2012, Alexey Borzov <avb@php.net>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *      notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *      notice, this list of conditions and the following disclaimer in the
+ *      documentation and/or other materials provided with the distribution.
+ *     * The names of the authors may not be used to endorse or promote products
+ *      derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @category HTTP
+ * @package  HTTP_Request2
+ * @author   Alexey Borzov <avb@php.net>
+ * @license  http://opensource.org/licenses/bsd-license.php New BSD License
+ * @version  SVN: $Id: Response.php 324936 2012-04-07 07:49:03Z avb $
+ * @link     http://pear.php.net/package/HTTP_Request2
+ */
+
+/**
+ * Exception class for HTTP_Request2 package
+ */
+require_once 'HTTP/Request2/Exception.php';
+
+/**
+ * Class representing a HTTP response
+ *
+ * The class is designed to be used in "streaming" scenario, building the
+ * response as it is being received:
+ * <code>
+ * $statusLine = read_status_line();
+ * $response = new HTTP_Request2_Response($statusLine);
+ * do {
+ *     $headerLine = read_header_line();
+ *     $response->parseHeaderLine($headerLine);
+ * } while ($headerLine != '');
+ *
+ * while ($chunk = read_body()) {
+ *     $response->appendBody($chunk);
+ * }
+ *
+ * var_dump($response->getHeader(), $response->getCookies(), $response->getBody());
+ * </code>
+ *
+ * @category HTTP
+ * @package  HTTP_Request2
+ * @author   Alexey Borzov <avb@php.net>
+ * @license  http://opensource.org/licenses/bsd-license.php New BSD License
+ * @version  Release: 2.1.1
+ * @link     http://pear.php.net/package/HTTP_Request2
+ * @link     http://tools.ietf.org/html/rfc2616#section-6
+ */
+class HTTP_Request2_Response
+{
+    /**
+     * HTTP protocol version (e.g. 1.0, 1.1)
+     * @var  string
+     */
+    protected $version;
+
+    /**
+     * Status code
+     * @var  integer
+     * @link http://tools.ietf.org/html/rfc2616#section-6.1.1
+     */
+    protected $code;
+
+    /**
+     * Reason phrase
+     * @var  string
+     * @link http://tools.ietf.org/html/rfc2616#section-6.1.1
+     */
+    protected $reasonPhrase;
+
+    /**
+     * Effective URL (may be different from original request URL in case of redirects)
+     * @var  string
+     */
+    protected $effectiveUrl;
+
+    /**
+     * Associative array of response headers
+     * @var  array
+     */
+    protected $headers = array();
+
+    /**
+     * Cookies set in the response
+     * @var  array
+     */
+    protected $cookies = array();
+
+    /**
+     * Name of last header processed by parseHederLine()
+     *
+     * Used to handle the headers that span multiple lines
+     *
+     * @var  string
+     */
+    protected $lastHeader = null;
+
+    /**
+     * Response body
+     * @var  string
+     */
+    protected $body = '';
+
+    /**
+     * Whether the body is still encoded by Content-Encoding
+     *
+     * cURL provides the decoded body to the callback; if we are reading from
+     * socket the body is still gzipped / deflated
+     *
+     * @var  bool
+     */
+    protected $bodyEncoded;
+
+    /**
+     * Associative array of HTTP status code / reason phrase.
+     *
+     * @var  array
+     * @link http://tools.ietf.org/html/rfc2616#section-10
+     */
+    protected static $phrases = array(
+
+        // 1xx: Informational - Request received, continuing process
+        100 => 'Continue',
+        101 => 'Switching Protocols',
+
+        // 2xx: Success - The action was successfully received, understood and
+        // accepted
+        200 => 'OK',
+        201 => 'Created',
+        202 => 'Accepted',
+        203 => 'Non-Authoritative Information',
+        204 => 'No Content',
+        205 => 'Reset Content',
+        206 => 'Partial Content',
+
+        // 3xx: Redirection - Further action must be taken in order to complete
+        // the request
+        300 => 'Multiple Choices',
+        301 => 'Moved Permanently',
+        302 => 'Found',  // 1.1
+        303 => 'See Other',
+        304 => 'Not Modified',
+        305 => 'Use Proxy',
+        307 => 'Temporary Redirect',
+
+        // 4xx: Client Error - The request contains bad syntax or cannot be
+        // fulfilled
+        400 => 'Bad Request',
+        401 => 'Unauthorized',
+        402 => 'Payment Required',
+        403 => 'Forbidden',
+        404 => 'Not Found',
+        405 => 'Method Not Allowed',
+        406 => 'Not Acceptable',
+        407 => 'Proxy Authentication Required',
+        408 => 'Request Timeout',
+        409 => 'Conflict',
+        410 => 'Gone',
+        411 => 'Length Required',
+        412 => 'Precondition Failed',
+        413 => 'Request Entity Too Large',
+        414 => 'Request-URI Too Long',
+        415 => 'Unsupported Media Type',
+        416 => 'Requested Range Not Satisfiable',
+        417 => 'Expectation Failed',
+
+        // 5xx: Server Error - The server failed to fulfill an apparently
+        // valid request
+        500 => 'Internal Server Error',
+        501 => 'Not Implemented',
+        502 => 'Bad Gateway',
+        503 => 'Service Unavailable',
+        504 => 'Gateway Timeout',
+        505 => 'HTTP Version Not Supported',
+        509 => 'Bandwidth Limit Exceeded',
+
+    );
+
+    /**
+     * Returns the default reason phrase for the given code or all reason phrases
+     *
+     * @param int $code Response code
+     *
+     * @return string|array|null Default reason phrase for $code if $code is given
+     *                           (null if no phrase is available), array of all
+     *                           reason phrases if $code is null
+     * @link   http://pear.php.net/bugs/18716
+     */
+    public static function getDefaultReasonPhrase($code = null)
+    {
+        if (null === $code) {
+            return self::$phrases;
+        } else {
+            return isset(self::$phrases[$code]) ? self::$phrases[$code] : null;
+        }
+    }
+
+    /**
+     * Constructor, parses the response status line
+     *
+     * @param string $statusLine   Response status line (e.g. "HTTP/1.1 200 OK")
+     * @param bool   $bodyEncoded  Whether body is still encoded by Content-Encoding
+     * @param string $effectiveUrl Effective URL of the response
+     *
+     * @throws   HTTP_Request2_MessageException if status line is invalid according to spec
+     */
+    public function __construct($statusLine, $bodyEncoded = true, $effectiveUrl = null)
+    {
+        if (!preg_match('!^HTTP/(\d\.\d) (\d{3})(?: (.+))?!', $statusLine, $m)) {
+            throw new HTTP_Request2_MessageException(
+                "Malformed response: {$statusLine}",
+                HTTP_Request2_Exception::MALFORMED_RESPONSE
+            );
+        }
+        $this->version      = $m[1];
+        $this->code         = intval($m[2]);
+        $this->reasonPhrase = !empty($m[3]) ? trim($m[3]) : self::getDefaultReasonPhrase($this->code);
+        $this->bodyEncoded  = (bool)$bodyEncoded;
+        $this->effectiveUrl = (string)$effectiveUrl;
+    }
+
+    /**
+     * Parses the line from HTTP response filling $headers array
+     *
+     * The method should be called after reading the line from socket or receiving
+     * it into cURL callback. Passing an empty string here indicates the end of
+     * response headers and triggers additional processing, so be sure to pass an
+     * empty string in the end.
+     *
+     * @param string $headerLine Line from HTTP response
+     */
+    public function parseHeaderLine($headerLine)
+    {
+        $headerLine = trim($headerLine, "\r\n");
+
+        if ('' == $headerLine) {
+            // empty string signals the end of headers, process the received ones
+            if (!empty($this->headers['set-cookie'])) {
+                $cookies = is_array($this->headers['set-cookie'])?
+                           $this->headers['set-cookie']:
+                           array($this->headers['set-cookie']);
+                foreach ($cookies as $cookieString) {
+                    $this->parseCookie($cookieString);
+                }
+                unset($this->headers['set-cookie']);
+            }
+            foreach (array_keys($this->headers) as $k) {
+                if (is_array($this->headers[$k])) {
+                    $this->headers[$k] = implode(', ', $this->headers[$k]);
+                }
+            }
+
+        } elseif (preg_match('!^([^\x00-\x1f\x7f-\xff()<>@,;:\\\\"/\[\]?={}\s]+):(.+)$!', $headerLine, $m)) {
+            // string of the form header-name: header value
+            $name  = strtolower($m[1]);
+            $value = trim($m[2]);
+            if (empty($this->headers[$name])) {
+                $this->headers[$name] = $value;
+            } else {
+                if (!is_array($this->headers[$name])) {
+                    $this->headers[$name] = array($this->headers[$name]);
+                }
+                $this->headers[$name][] = $value;
+            }
+            $this->lastHeader = $name;
+
+        } elseif (preg_match('!^\s+(.+)$!', $headerLine, $m) && $this->lastHeader) {
+            // continuation of a previous header
+            if (!is_array($this->headers[$this->lastHeader])) {
+                $this->headers[$this->lastHeader] .= ' ' . trim($m[1]);
+            } else {
+                $key = count($this->headers[$this->lastHeader]) - 1;
+                $this->headers[$this->lastHeader][$key] .= ' ' . trim($m[1]);
+            }
+        }
+    }
+
+    /**
+     * Parses a Set-Cookie header to fill $cookies array
+     *
+     * @param string $cookieString value of Set-Cookie header
+     *
+     * @link     http://web.archive.org/web/20080331104521/http://cgi.netscape.com/newsref/std/cookie_spec.html
+     */
+    protected function parseCookie($cookieString)
+    {
+        $cookie = array(
+            'expires' => null,
+            'domain'  => null,
+            'path'    => null,
+            'secure'  => false
+        );
+
+        if (!strpos($cookieString, ';')) {
+            // Only a name=value pair
+            $pos = strpos($cookieString, '=');
+            $cookie['name']  = trim(substr($cookieString, 0, $pos));
+            $cookie['value'] = trim(substr($cookieString, $pos + 1));
+
+        } else {
+            // Some optional parameters are supplied
+            $elements = explode(';', $cookieString);
+            $pos = strpos($elements[0], '=');
+            $cookie['name']  = trim(substr($elements[0], 0, $pos));
+            $cookie['value'] = trim(substr($elements[0], $pos + 1));
+
+            for ($i = 1; $i < count($elements); $i++) {
+                if (false === strpos($elements[$i], '=')) {
+                    $elName  = trim($elements[$i]);
+                    $elValue = null;
+                } else {
+                    list ($elName, $elValue) = array_map('trim', explode('=', $elements[$i]));
+                }
+                $elName = strtolower($elName);
+                if ('secure' == $elName) {
+                    $cookie['secure'] = true;
+                } elseif ('expires' == $elName) {
+                    $cookie['expires'] = str_replace('"', '', $elValue);
+                } elseif ('path' == $elName || 'domain' == $elName) {
+                    $cookie[$elName] = urldecode($elValue);
+                } else {
+                    $cookie[$elName] = $elValue;
+                }
+            }
+        }
+        $this->cookies[] = $cookie;
+    }
+
+    /**
+     * Appends a string to the response body
+     *
+     * @param string $bodyChunk part of response body
+     */
+    public function appendBody($bodyChunk)
+    {
+        $this->body .= $bodyChunk;
+    }
+
+    /**
+     * Returns the effective URL of the response
+     *
+     * This may be different from the request URL if redirects were followed.
+     *
+     * @return string
+     * @link   http://pear.php.net/bugs/bug.php?id=18412
+     */
+    public function getEffectiveUrl()
+    {
+        return $this->effectiveUrl;
+    }
+
+    /**
+     * Returns the status code
+     *
+     * @return   integer
+     */
+    public function getStatus()
+    {
+        return $this->code;
+    }
+
+    /**
+     * Returns the reason phrase
+     *
+     * @return   string
+     */
+    public function getReasonPhrase()
+    {
+        return $this->reasonPhrase;
+    }
+
+    /**
+     * Whether response is a redirect that can be automatically handled by HTTP_Request2
+     *
+     * @return   bool
+     */
+    public function isRedirect()
+    {
+        return in_array($this->code, array(300, 301, 302, 303, 307))
+               && isset($this->headers['location']);
+    }
+
+    /**
+     * Returns either the named header or all response headers
+     *
+     * @param string $headerName Name of header to return
+     *
+     * @return   string|array    Value of $headerName header (null if header is
+     *                           not present), array of all response headers if
+     *                           $headerName is null
+     */
+    public function getHeader($headerName = null)
+    {
+        if (null === $headerName) {
+            return $this->headers;
+        } else {
+            $headerName = strtolower($headerName);
+            return isset($this->headers[$headerName])? $this->headers[$headerName]: null;
+        }
+    }
+
+    /**
+     * Returns cookies set in response
+     *
+     * @return   array
+     */
+    public function getCookies()
+    {
+        return $this->cookies;
+    }
+
+    /**
+     * Returns the body of the response
+     *
+     * @return   string
+     * @throws   HTTP_Request2_Exception if body cannot be decoded
+     */
+    public function getBody()
+    {
+        if (0 == strlen($this->body) || !$this->bodyEncoded
+            || !in_array(strtolower($this->getHeader('content-encoding')), array('gzip', 'deflate'))
+        ) {
+            return $this->body;
+
+        } else {
+            if (extension_loaded('mbstring') && (2 & ini_get('mbstring.func_overload'))) {
+                $oldEncoding = mb_internal_encoding();
+                mb_internal_encoding('8bit');
+            }
+
+            try {
+                switch (strtolower($this->getHeader('content-encoding'))) {
+                case 'gzip':
+                    $decoded = self::decodeGzip($this->body);
+                    break;
+                case 'deflate':
+                    $decoded = self::decodeDeflate($this->body);
+                }
+            } catch (Exception $e) {
+            }
+
+            if (!empty($oldEncoding)) {
+                mb_internal_encoding($oldEncoding);
+            }
+            if (!empty($e)) {
+                throw $e;
+            }
+            return $decoded;
+        }
+    }
+
+    /**
+     * Get the HTTP version of the response
+     *
+     * @return   string
+     */
+    public function getVersion()
+    {
+        return $this->version;
+    }
+
+    /**
+     * Decodes the message-body encoded by gzip
+     *
+     * The real decoding work is done by gzinflate() built-in function, this
+     * method only parses the header and checks data for compliance with
+     * RFC 1952
+     *
+     * @param string $data gzip-encoded data
+     *
+     * @return   string  decoded data
+     * @throws   HTTP_Request2_LogicException
+     * @throws   HTTP_Request2_MessageException
+     * @link     http://tools.ietf.org/html/rfc1952
+     */
+    public static function decodeGzip($data)
+    {
+        $length = strlen($data);
+        // If it doesn't look like gzip-encoded data, don't bother
+        if (18 > $length || strcmp(substr($data, 0, 2), "\x1f\x8b")) {
+            return $data;
+        }
+        if (!function_exists('gzinflate')) {
+            throw new HTTP_Request2_LogicException(
+                'Unable to decode body: gzip extension not available',
+                HTTP_Request2_Exception::MISCONFIGURATION
+            );
+        }
+        $method = ord(substr($data, 2, 1));
+        if (8 != $method) {
+            throw new HTTP_Request2_MessageException(
+                'Error parsing gzip header: unknown compression method',
+                HTTP_Request2_Exception::DECODE_ERROR
+            );
+        }
+        $flags = ord(substr($data, 3, 1));
+        if ($flags & 224) {
+            throw new HTTP_Request2_MessageException(
+                'Error parsing gzip header: reserved bits are set',
+                HTTP_Request2_Exception::DECODE_ERROR
+            );
+        }
+
+        // header is 10 bytes minimum. may be longer, though.
+        $headerLength = 10;
+        // extra fields, need to skip 'em
+        if ($flags & 4) {
+            if ($length - $headerLength - 2 < 8) {
+                throw new HTTP_Request2_MessageException(
+                    'Error parsing gzip header: data too short',
+                    HTTP_Request2_Exception::DECODE_ERROR
+                );
+            }
+            $extraLength = unpack('v', substr($data, 10, 2));
+            if ($length - $headerLength - 2 - $extraLength[1] < 8) {
+                throw new HTTP_Request2_MessageException(
+                    'Error parsing gzip header: data too short',
+                    HTTP_Request2_Exception::DECODE_ERROR
+                );
+            }
+            $headerLength += $extraLength[1] + 2;
+        }
+        // file name, need to skip that
+        if ($flags & 8) {
+            if ($length - $headerLength - 1 < 8) {
+                throw new HTTP_Request2_MessageException(
+                    'Error parsing gzip header: data too short',
+                    HTTP_Request2_Exception::DECODE_ERROR
+                );
+            }
+            $filenameLength = strpos(substr($data, $headerLength), chr(0));
+            if (false === $filenameLength || $length - $headerLength - $filenameLength - 1 < 8) {
+                throw new HTTP_Request2_MessageException(
+                    'Error parsing gzip header: data too short',
+                    HTTP_Request2_Exception::DECODE_ERROR
+                );
+            }
+            $headerLength += $filenameLength + 1;
+        }
+        // comment, need to skip that also
+        if ($flags & 16) {
+            if ($length - $headerLength - 1 < 8) {
+                throw new HTTP_Request2_MessageException(
+                    'Error parsing gzip header: data too short',
+                    HTTP_Request2_Exception::DECODE_ERROR
+                );
+            }
+            $commentLength = strpos(substr($data, $headerLength), chr(0));
+            if (false === $commentLength || $length - $headerLength - $commentLength - 1 < 8) {
+                throw new HTTP_Request2_MessageException(
+                    'Error parsing gzip header: data too short',
+                    HTTP_Request2_Exception::DECODE_ERROR
+                );
+            }
+            $headerLength += $commentLength + 1;
+        }
+        // have a CRC for header. let's check
+        if ($flags & 2) {
+            if ($length - $headerLength - 2 < 8) {
+                throw new HTTP_Request2_MessageException(
+                    'Error parsing gzip header: data too short',
+                    HTTP_Request2_Exception::DECODE_ERROR
+                );
+            }
+            $crcReal   = 0xffff & crc32(substr($data, 0, $headerLength));
+            $crcStored = unpack('v', substr($data, $headerLength, 2));
+            if ($crcReal != $crcStored[1]) {
+                throw new HTTP_Request2_MessageException(
+                    'Header CRC check failed',
+                    HTTP_Request2_Exception::DECODE_ERROR
+                );
+            }
+            $headerLength += 2;
+        }
+        // unpacked data CRC and size at the end of encoded data
+        $tmp = unpack('V2', substr($data, -8));
+        $dataCrc  = $tmp[1];
+        $dataSize = $tmp[2];
+
+        // finally, call the gzinflate() function
+        // don't pass $dataSize to gzinflate, see bugs #13135, #14370
+        $unpacked = gzinflate(substr($data, $headerLength, -8));
+        if (false === $unpacked) {
+            throw new HTTP_Request2_MessageException(
+                'gzinflate() call failed',
+                HTTP_Request2_Exception::DECODE_ERROR
+            );
+        } elseif ($dataSize != strlen($unpacked)) {
+            throw new HTTP_Request2_MessageException(
+                'Data size check failed',
+                HTTP_Request2_Exception::DECODE_ERROR
+            );
+        } elseif ((0xffffffff & $dataCrc) != (0xffffffff & crc32($unpacked))) {
+            throw new HTTP_Request2_Exception(
+                'Data CRC check failed',
+                HTTP_Request2_Exception::DECODE_ERROR
+            );
+        }
+        return $unpacked;
+    }
+
+    /**
+     * Decodes the message-body encoded by deflate
+     *
+     * @param string $data deflate-encoded data
+     *
+     * @return   string  decoded data
+     * @throws   HTTP_Request2_LogicException
+     */
+    public static function decodeDeflate($data)
+    {
+        if (!function_exists('gzuncompress')) {
+            throw new HTTP_Request2_LogicException(
+                'Unable to decode body: gzip extension not available',
+                HTTP_Request2_Exception::MISCONFIGURATION
+            );
+        }
+        // RFC 2616 defines 'deflate' encoding as zlib format from RFC 1950,
+        // while many applications send raw deflate stream from RFC 1951.
+        // We should check for presence of zlib header and use gzuncompress() or
+        // gzinflate() as needed. See bug #15305
+        $header = unpack('n', substr($data, 0, 2));
+        return (0 == $header[1] % 31)? gzuncompress($data): gzinflate($data);
+    }
+}
+?>
Index: branches/version-2_13-dev/data/module/HTTP/Request2/MultipartBody.php
===================================================================
--- branches/version-2_13-dev/data/module/HTTP/Request2/MultipartBody.php	(revision 23125)
+++ branches/version-2_13-dev/data/module/HTTP/Request2/MultipartBody.php	(revision 23125)
@@ -0,0 +1,280 @@
+<?php
+/**
+ * Helper class for building multipart/form-data request body
+ *
+ * PHP version 5
+ *
+ * LICENSE:
+ *
+ * Copyright (c) 2008-2012, Alexey Borzov <avb@php.net>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *    * Redistributions of source code must retain the above copyright
+ *      notice, this list of conditions and the following disclaimer.
+ *    * Redistributions in binary form must reproduce the above copyright
+ *      notice, this list of conditions and the following disclaimer in the
+ *      documentation and/or other materials provided with the distribution.
+ *    * The names of the authors may not be used to endorse or promote products
+ *      derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @category HTTP
+ * @package  HTTP_Request2
+ * @author   Alexey Borzov <avb@php.net>
+ * @license  http://opensource.org/licenses/bsd-license.php New BSD License
+ * @version  SVN: $Id: MultipartBody.php 324415 2012-03-21 10:50:50Z avb $
+ * @link     http://pear.php.net/package/HTTP_Request2
+ */
+
+/**
+ * Class for building multipart/form-data request body
+ *
+ * The class helps to reduce memory consumption by streaming large file uploads
+ * from disk, it also allows monitoring of upload progress (see request #7630)
+ *
+ * @category HTTP
+ * @package  HTTP_Request2
+ * @author   Alexey Borzov <avb@php.net>
+ * @license  http://opensource.org/licenses/bsd-license.php New BSD License
+ * @version  Release: 2.1.1
+ * @link     http://pear.php.net/package/HTTP_Request2
+ * @link     http://tools.ietf.org/html/rfc1867
+ */
+class HTTP_Request2_MultipartBody
+{
+    /**
+     * MIME boundary
+     * @var  string
+     */
+    private $_boundary;
+
+    /**
+     * Form parameters added via {@link HTTP_Request2::addPostParameter()}
+     * @var  array
+     */
+    private $_params = array();
+
+    /**
+     * File uploads added via {@link HTTP_Request2::addUpload()}
+     * @var  array
+     */
+    private $_uploads = array();
+
+    /**
+     * Header for parts with parameters
+     * @var  string
+     */
+    private $_headerParam = "--%s\r\nContent-Disposition: form-data; name=\"%s\"\r\n\r\n";
+
+    /**
+     * Header for parts with uploads
+     * @var  string
+     */
+    private $_headerUpload = "--%s\r\nContent-Disposition: form-data; name=\"%s\"; filename=\"%s\"\r\nContent-Type: %s\r\n\r\n";
+
+    /**
+     * Current position in parameter and upload arrays
+     *
+     * First number is index of "current" part, second number is position within
+     * "current" part
+     *
+     * @var  array
+     */
+    private $_pos = array(0, 0);
+
+
+    /**
+     * Constructor. Sets the arrays with POST data.
+     *
+     * @param array $params      values of form fields set via
+     *                           {@link HTTP_Request2::addPostParameter()}
+     * @param array $uploads     file uploads set via
+     *                           {@link HTTP_Request2::addUpload()}
+     * @param bool  $useBrackets whether to append brackets to array variable names
+     */
+    public function __construct(array $params, array $uploads, $useBrackets = true)
+    {
+        $this->_params = self::_flattenArray('', $params, $useBrackets);
+        foreach ($uploads as $fieldName => $f) {
+            if (!is_array($f['fp'])) {
+                $this->_uploads[] = $f + array('name' => $fieldName);
+            } else {
+                for ($i = 0; $i < count($f['fp']); $i++) {
+                    $upload = array(
+                        'name' => ($useBrackets? $fieldName . '[' . $i . ']': $fieldName)
+                    );
+                    foreach (array('fp', 'filename', 'size', 'type') as $key) {
+                        $upload[$key] = $f[$key][$i];
+                    }
+                    $this->_uploads[] = $upload;
+                }
+            }
+        }
+    }
+
+    /**
+     * Returns the length of the body to use in Content-Length header
+     *
+     * @return   integer
+     */
+    public function getLength()
+    {
+        $boundaryLength     = strlen($this->getBoundary());
+        $headerParamLength  = strlen($this->_headerParam) - 4 + $boundaryLength;
+        $headerUploadLength = strlen($this->_headerUpload) - 8 + $boundaryLength;
+        $length             = $boundaryLength + 6;
+        foreach ($this->_params as $p) {
+            $length += $headerParamLength + strlen($p[0]) + strlen($p[1]) + 2;
+        }
+        foreach ($this->_uploads as $u) {
+            $length += $headerUploadLength + strlen($u['name']) + strlen($u['type']) +
+                       strlen($u['filename']) + $u['size'] + 2;
+        }
+        return $length;
+    }
+
+    /**
+     * Returns the boundary to use in Content-Type header
+     *
+     * @return   string
+     */
+    public function getBoundary()
+    {
+        if (empty($this->_boundary)) {
+            $this->_boundary = '--' . md5('PEAR-HTTP_Request2-' . microtime());
+        }
+        return $this->_boundary;
+    }
+
+    /**
+     * Returns next chunk of request body
+     *
+     * @param integer $length Number of bytes to read
+     *
+     * @return   string  Up to $length bytes of data, empty string if at end
+     */
+    public function read($length)
+    {
+        $ret         = '';
+        $boundary    = $this->getBoundary();
+        $paramCount  = count($this->_params);
+        $uploadCount = count($this->_uploads);
+        while ($length > 0 && $this->_pos[0] <= $paramCount + $uploadCount) {
+            $oldLength = $length;
+            if ($this->_pos[0] < $paramCount) {
+                $param = sprintf(
+                    $this->_headerParam, $boundary, $this->_params[$this->_pos[0]][0]
+                ) . $this->_params[$this->_pos[0]][1] . "\r\n";
+                $ret    .= substr($param, $this->_pos[1], $length);
+                $length -= min(strlen($param) - $this->_pos[1], $length);
+
+            } elseif ($this->_pos[0] < $paramCount + $uploadCount) {
+                $pos    = $this->_pos[0] - $paramCount;
+                $header = sprintf(
+                    $this->_headerUpload, $boundary, $this->_uploads[$pos]['name'],
+                    $this->_uploads[$pos]['filename'], $this->_uploads[$pos]['type']
+                );
+                if ($this->_pos[1] < strlen($header)) {
+                    $ret    .= substr($header, $this->_pos[1], $length);
+                    $length -= min(strlen($header) - $this->_pos[1], $length);
+                }
+                $filePos  = max(0, $this->_pos[1] - strlen($header));
+                if ($length > 0 && $filePos < $this->_uploads[$pos]['size']) {
+                    $ret     .= fread($this->_uploads[$pos]['fp'], $length);
+                    $length  -= min($length, $this->_uploads[$pos]['size'] - $filePos);
+                }
+                if ($length > 0) {
+                    $start   = $this->_pos[1] + ($oldLength - $length) -
+                               strlen($header) - $this->_uploads[$pos]['size'];
+                    $ret    .= substr("\r\n", $start, $length);
+                    $length -= min(2 - $start, $length);
+                }
+
+            } else {
+                $closing  = '--' . $boundary . "--\r\n";
+                $ret     .= substr($closing, $this->_pos[1], $length);
+                $length  -= min(strlen($closing) - $this->_pos[1], $length);
+            }
+            if ($length > 0) {
+                $this->_pos     = array($this->_pos[0] + 1, 0);
+            } else {
+                $this->_pos[1] += $oldLength;
+            }
+        }
+        return $ret;
+    }
+
+    /**
+     * Sets the current position to the start of the body
+     *
+     * This allows reusing the same body in another request
+     */
+    public function rewind()
+    {
+        $this->_pos = array(0, 0);
+        foreach ($this->_uploads as $u) {
+            rewind($u['fp']);
+        }
+    }
+
+    /**
+     * Returns the body as string
+     *
+     * Note that it reads all file uploads into memory so it is a good idea not
+     * to use this method with large file uploads and rely on read() instead.
+     *
+     * @return   string
+     */
+    public function __toString()
+    {
+        $this->rewind();
+        return $this->read($this->getLength());
+    }
+
+
+    /**
+     * Helper function to change the (probably multidimensional) associative array
+     * into the simple one.
+     *
+     * @param string $name        name for item
+     * @param mixed  $values      item's values
+     * @param bool   $useBrackets whether to append [] to array variables' names
+     *
+     * @return   array   array with the following items: array('item name', 'item value');
+     */
+    private static function _flattenArray($name, $values, $useBrackets)
+    {
+        if (!is_array($values)) {
+            return array(array($name, $values));
+        } else {
+            $ret = array();
+            foreach ($values as $k => $v) {
+                if (empty($name)) {
+                    $newName = $k;
+                } elseif ($useBrackets) {
+                    $newName = $name . '[' . $k . ']';
+                } else {
+                    $newName = $name;
+                }
+                $ret = array_merge($ret, self::_flattenArray($newName, $v, $useBrackets));
+            }
+            return $ret;
+        }
+    }
+}
+?>
Index: branches/version-2_13-dev/data/module/HTTP/Request2/Adapter.php
===================================================================
--- branches/version-2_13-dev/data/module/HTTP/Request2/Adapter.php	(revision 23125)
+++ branches/version-2_13-dev/data/module/HTTP/Request2/Adapter.php	(revision 23125)
@@ -0,0 +1,157 @@
+<?php
+/**
+ * Base class for HTTP_Request2 adapters
+ *
+ * PHP version 5
+ *
+ * LICENSE:
+ *
+ * Copyright (c) 2008-2012, Alexey Borzov <avb@php.net>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *    * Redistributions of source code must retain the above copyright
+ *      notice, this list of conditions and the following disclaimer.
+ *    * Redistributions in binary form must reproduce the above copyright
+ *      notice, this list of conditions and the following disclaimer in the
+ *      documentation and/or other materials provided with the distribution.
+ *    * The names of the authors may not be used to endorse or promote products
+ *      derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @category HTTP
+ * @package  HTTP_Request2
+ * @author   Alexey Borzov <avb@php.net>
+ * @license  http://opensource.org/licenses/bsd-license.php New BSD License
+ * @version  SVN: $Id: Adapter.php 324415 2012-03-21 10:50:50Z avb $
+ * @link     http://pear.php.net/package/HTTP_Request2
+ */
+
+/**
+ * Class representing a HTTP response
+ */
+require_once 'HTTP/Request2/Response.php';
+
+/**
+ * Base class for HTTP_Request2 adapters
+ *
+ * HTTP_Request2 class itself only defines methods for aggregating the request
+ * data, all actual work of sending the request to the remote server and
+ * receiving its response is performed by adapters.
+ *
+ * @category HTTP
+ * @package  HTTP_Request2
+ * @author   Alexey Borzov <avb@php.net>
+ * @license  http://opensource.org/licenses/bsd-license.php New BSD License
+ * @version  Release: 2.1.1
+ * @link     http://pear.php.net/package/HTTP_Request2
+ */
+abstract class HTTP_Request2_Adapter
+{
+    /**
+     * A list of methods that MUST NOT have a request body, per RFC 2616
+     * @var  array
+     */
+    protected static $bodyDisallowed = array('TRACE');
+
+    /**
+     * Methods having defined semantics for request body
+     *
+     * Content-Length header (indicating that the body follows, section 4.3 of
+     * RFC 2616) will be sent for these methods even if no body was added
+     *
+     * @var  array
+     * @link http://pear.php.net/bugs/bug.php?id=12900
+     * @link http://pear.php.net/bugs/bug.php?id=14740
+     */
+    protected static $bodyRequired = array('POST', 'PUT');
+
+    /**
+     * Request being sent
+     * @var  HTTP_Request2
+     */
+    protected $request;
+
+    /**
+     * Request body
+     * @var  string|resource|HTTP_Request2_MultipartBody
+     * @see  HTTP_Request2::getBody()
+     */
+    protected $requestBody;
+
+    /**
+     * Length of the request body
+     * @var  integer
+     */
+    protected $contentLength;
+
+    /**
+     * Sends request to the remote server and returns its response
+     *
+     * @param HTTP_Request2 $request HTTP request message
+     *
+     * @return   HTTP_Request2_Response
+     * @throws   HTTP_Request2_Exception
+     */
+    abstract public function sendRequest(HTTP_Request2 $request);
+
+    /**
+     * Calculates length of the request body, adds proper headers
+     *
+     * @param array &$headers associative array of request headers, this method
+     *                        will add proper 'Content-Length' and 'Content-Type'
+     *                        headers to this array (or remove them if not needed)
+     */
+    protected function calculateRequestLength(&$headers)
+    {
+        $this->requestBody = $this->request->getBody();
+
+        if (is_string($this->requestBody)) {
+            $this->contentLength = strlen($this->requestBody);
+        } elseif (is_resource($this->requestBody)) {
+            $stat = fstat($this->requestBody);
+            $this->contentLength = $stat['size'];
+            rewind($this->requestBody);
+        } else {
+            $this->contentLength = $this->requestBody->getLength();
+            $headers['content-type'] = 'multipart/form-data; boundary=' .
+                                       $this->requestBody->getBoundary();
+            $this->requestBody->rewind();
+        }
+
+        if (in_array($this->request->getMethod(), self::$bodyDisallowed)
+            || 0 == $this->contentLength
+        ) {
+            // No body: send a Content-Length header nonetheless (request #12900),
+            // but do that only for methods that require a body (bug #14740)
+            if (in_array($this->request->getMethod(), self::$bodyRequired)) {
+                $headers['content-length'] = 0;
+            } else {
+                unset($headers['content-length']);
+                // if the method doesn't require a body and doesn't have a
+                // body, don't send a Content-Type header. (request #16799)
+                unset($headers['content-type']);
+            }
+        } else {
+            if (empty($headers['content-type'])) {
+                $headers['content-type'] = 'application/x-www-form-urlencoded';
+            }
+            $headers['content-length'] = $this->contentLength;
+        }
+    }
+}
+?>
Index: branches/version-2_13-dev/data/module/HTTP/Request2/Observer/Log.php
===================================================================
--- branches/version-2_13-dev/data/module/HTTP/Request2/Observer/Log.php	(revision 23125)
+++ branches/version-2_13-dev/data/module/HTTP/Request2/Observer/Log.php	(revision 23125)
@@ -0,0 +1,215 @@
+<?php
+/**
+ * An observer useful for debugging / testing.
+ *
+ * PHP version 5
+ *
+ * LICENSE:
+ *
+ * Copyright (c) 2008-2012, Alexey Borzov <avb@php.net>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *    * Redistributions of source code must retain the above copyright
+ *      notice, this list of conditions and the following disclaimer.
+ *    * Redistributions in binary form must reproduce the above copyright
+ *      notice, this list of conditions and the following disclaimer in the
+ *      documentation and/or other materials provided with the distribution.
+ *    * The names of the authors may not be used to endorse or promote products
+ *      derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @category HTTP
+ * @package  HTTP_Request2
+ * @author   David Jean Louis <izi@php.net>
+ * @author   Alexey Borzov <avb@php.net>
+ * @license  http://opensource.org/licenses/bsd-license.php New BSD License
+ * @version  SVN: $Id: Log.php 324415 2012-03-21 10:50:50Z avb $
+ * @link     http://pear.php.net/package/HTTP_Request2
+ */
+
+/**
+ * Exception class for HTTP_Request2 package
+ */
+require_once 'HTTP/Request2/Exception.php';
+
+/**
+ * A debug observer useful for debugging / testing.
+ *
+ * This observer logs to a log target data corresponding to the various request
+ * and response events, it logs by default to php://output but can be configured
+ * to log to a file or via the PEAR Log package.
+ *
+ * A simple example:
+ * <code>
+ * require_once 'HTTP/Request2.php';
+ * require_once 'HTTP/Request2/Observer/Log.php';
+ *
+ * $request  = new HTTP_Request2('http://www.example.com');
+ * $observer = new HTTP_Request2_Observer_Log();
+ * $request->attach($observer);
+ * $request->send();
+ * </code>
+ *
+ * A more complex example with PEAR Log:
+ * <code>
+ * require_once 'HTTP/Request2.php';
+ * require_once 'HTTP/Request2/Observer/Log.php';
+ * require_once 'Log.php';
+ *
+ * $request  = new HTTP_Request2('http://www.example.com');
+ * // we want to log with PEAR log
+ * $observer = new HTTP_Request2_Observer_Log(Log::factory('console'));
+ *
+ * // we only want to log received headers
+ * $observer->events = array('receivedHeaders');
+ *
+ * $request->attach($observer);
+ * $request->send();
+ * </code>
+ *
+ * @category HTTP
+ * @package  HTTP_Request2
+ * @author   David Jean Louis <izi@php.net>
+ * @author   Alexey Borzov <avb@php.net>
+ * @license  http://opensource.org/licenses/bsd-license.php New BSD License
+ * @version  Release: 2.1.1
+ * @link     http://pear.php.net/package/HTTP_Request2
+ */
+class HTTP_Request2_Observer_Log implements SplObserver
+{
+    // properties {{{
+
+    /**
+     * The log target, it can be a a resource or a PEAR Log instance.
+     *
+     * @var resource|Log $target
+     */
+    protected $target = null;
+
+    /**
+     * The events to log.
+     *
+     * @var array $events
+     */
+    public $events = array(
+        'connect',
+        'sentHeaders',
+        'sentBody',
+        'receivedHeaders',
+        'receivedBody',
+        'disconnect',
+    );
+
+    // }}}
+    // __construct() {{{
+
+    /**
+     * Constructor.
+     *
+     * @param mixed $target Can be a file path (default: php://output), a resource,
+     *                      or an instance of the PEAR Log class.
+     * @param array $events Array of events to listen to (default: all events)
+     *
+     * @return void
+     */
+    public function __construct($target = 'php://output', array $events = array())
+    {
+        if (!empty($events)) {
+            $this->events = $events;
+        }
+        if (is_resource($target) || $target instanceof Log) {
+            $this->target = $target;
+        } elseif (false === ($this->target = @fopen($target, 'ab'))) {
+            throw new HTTP_Request2_Exception("Unable to open '{$target}'");
+        }
+    }
+
+    // }}}
+    // update() {{{
+
+    /**
+     * Called when the request notifies us of an event.
+     *
+     * @param HTTP_Request2 $subject The HTTP_Request2 instance
+     *
+     * @return void
+     */
+    public function update(SplSubject $subject)
+    {
+        $event = $subject->getLastEvent();
+        if (!in_array($event['name'], $this->events)) {
+            return;
+        }
+
+        switch ($event['name']) {
+        case 'connect':
+            $this->log('* Connected to ' . $event['data']);
+            break;
+        case 'sentHeaders':
+            $headers = explode("\r\n", $event['data']);
+            array_pop($headers);
+            foreach ($headers as $header) {
+                $this->log('> ' . $header);
+            }
+            break;
+        case 'sentBody':
+            $this->log('> ' . $event['data'] . ' byte(s) sent');
+            break;
+        case 'receivedHeaders':
+            $this->log(sprintf(
+                '< HTTP/%s %s %s', $event['data']->getVersion(),
+                $event['data']->getStatus(), $event['data']->getReasonPhrase()
+            ));
+            $headers = $event['data']->getHeader();
+            foreach ($headers as $key => $val) {
+                $this->log('< ' . $key . ': ' . $val);
+            }
+            $this->log('< ');
+            break;
+        case 'receivedBody':
+            $this->log($event['data']->getBody());
+            break;
+        case 'disconnect':
+            $this->log('* Disconnected');
+            break;
+        }
+    }
+
+    // }}}
+    // log() {{{
+
+    /**
+     * Logs the given message to the configured target.
+     *
+     * @param string $message Message to display
+     *
+     * @return void
+     */
+    protected function log($message)
+    {
+        if ($this->target instanceof Log) {
+            $this->target->debug($message);
+        } elseif (is_resource($this->target)) {
+            fwrite($this->target, $message . "\r\n");
+        }
+    }
+
+    // }}}
+}
+
+?>
Index: branches/version-2_13-dev/data/module/HTTP/Request2/CookieJar.php
===================================================================
--- branches/version-2_13-dev/data/module/HTTP/Request2/CookieJar.php	(revision 23125)
+++ branches/version-2_13-dev/data/module/HTTP/Request2/CookieJar.php	(revision 23125)
@@ -0,0 +1,517 @@
+<?php
+/**
+ * Stores cookies and passes them between HTTP requests
+ *
+ * PHP version 5
+ *
+ * LICENSE:
+ *
+ * Copyright (c) 2008-2012, Alexey Borzov <avb@php.net>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *    * Redistributions of source code must retain the above copyright
+ *      notice, this list of conditions and the following disclaimer.
+ *    * Redistributions in binary form must reproduce the above copyright
+ *      notice, this list of conditions and the following disclaimer in the
+ *      documentation and/or other materials provided with the distribution.
+ *    * The names of the authors may not be used to endorse or promote products
+ *      derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @category HTTP
+ * @package  HTTP_Request2
+ * @author   Alexey Borzov <avb@php.net>
+ * @license  http://opensource.org/licenses/bsd-license.php New BSD License
+ * @version  SVN: $Id: CookieJar.php 324415 2012-03-21 10:50:50Z avb $
+ * @link     http://pear.php.net/package/HTTP_Request2
+ */
+
+/** Class representing a HTTP request message */
+require_once 'HTTP/Request2.php';
+
+/**
+ * Stores cookies and passes them between HTTP requests
+ *
+ * @category HTTP
+ * @package  HTTP_Request2
+ * @author   Alexey Borzov <avb@php.net>
+ * @license  http://opensource.org/licenses/bsd-license.php New BSD License
+ * @version  Release: 2.1.1
+ * @link     http://pear.php.net/package/HTTP_Request2
+ */
+class HTTP_Request2_CookieJar implements Serializable
+{
+    /**
+     * Array of stored cookies
+     *
+     * The array is indexed by domain, path and cookie name
+     *   .example.com
+     *     /
+     *       some_cookie => cookie data
+     *     /subdir
+     *       other_cookie => cookie data
+     *   .example.org
+     *     ...
+     *
+     * @var array
+     */
+    protected $cookies = array();
+
+    /**
+     * Whether session cookies should be serialized when serializing the jar
+     * @var bool
+     */
+    protected $serializeSession = false;
+
+    /**
+     * Whether Public Suffix List should be used for domain matching
+     * @var bool
+     */
+    protected $useList = true;
+
+    /**
+     * Array with Public Suffix List data
+     * @var  array
+     * @link http://publicsuffix.org/
+     */
+    protected static $psl = array();
+
+    /**
+     * Class constructor, sets various options
+     *
+     * @param bool $serializeSessionCookies Controls serializing session cookies,
+     *                                      see {@link serializeSessionCookies()}
+     * @param bool $usePublicSuffixList     Controls using Public Suffix List,
+     *                                      see {@link usePublicSuffixList()}
+     */
+    public function __construct(
+        $serializeSessionCookies = false, $usePublicSuffixList = true
+    ) {
+        $this->serializeSessionCookies($serializeSessionCookies);
+        $this->usePublicSuffixList($usePublicSuffixList);
+    }
+
+    /**
+     * Returns current time formatted in ISO-8601 at UTC timezone
+     *
+     * @return string
+     */
+    protected function now()
+    {
+        $dt = new DateTime();
+        $dt->setTimezone(new DateTimeZone('UTC'));
+        return $dt->format(DateTime::ISO8601);
+    }
+
+    /**
+     * Checks cookie array for correctness, possibly updating its 'domain', 'path' and 'expires' fields
+     *
+     * The checks are as follows:
+     *   - cookie array should contain 'name' and 'value' fields;
+     *   - name and value should not contain disallowed symbols;
+     *   - 'expires' should be either empty parseable by DateTime;
+     *   - 'domain' and 'path' should be either not empty or an URL where
+     *     cookie was set should be provided.
+     *   - if $setter is provided, then document at that URL should be allowed
+     *     to set a cookie for that 'domain'. If $setter is not provided,
+     *     then no domain checks will be made.
+     *
+     * 'expires' field will be converted to ISO8601 format from COOKIE format,
+     * 'domain' and 'path' will be set from setter URL if empty.
+     *
+     * @param array    $cookie cookie data, as returned by
+     *                         {@link HTTP_Request2_Response::getCookies()}
+     * @param Net_URL2 $setter URL of the document that sent Set-Cookie header
+     *
+     * @return   array    Updated cookie array
+     * @throws   HTTP_Request2_LogicException
+     * @throws   HTTP_Request2_MessageException
+     */
+    protected function checkAndUpdateFields(array $cookie, Net_URL2 $setter = null)
+    {
+        if ($missing = array_diff(array('name', 'value'), array_keys($cookie))) {
+            throw new HTTP_Request2_LogicException(
+                "Cookie array should contain 'name' and 'value' fields",
+                HTTP_Request2_Exception::MISSING_VALUE
+            );
+        }
+        if (preg_match(HTTP_Request2::REGEXP_INVALID_COOKIE, $cookie['name'])) {
+            throw new HTTP_Request2_LogicException(
+                "Invalid cookie name: '{$cookie['name']}'",
+                HTTP_Request2_Exception::INVALID_ARGUMENT
+            );
+        }
+        if (preg_match(HTTP_Request2::REGEXP_INVALID_COOKIE, $cookie['value'])) {
+            throw new HTTP_Request2_LogicException(
+                "Invalid cookie value: '{$cookie['value']}'",
+                HTTP_Request2_Exception::INVALID_ARGUMENT
+            );
+        }
+        $cookie += array('domain' => '', 'path' => '', 'expires' => null, 'secure' => false);
+
+        // Need ISO-8601 date @ UTC timezone
+        if (!empty($cookie['expires'])
+            && !preg_match('/^\\d{4}-\\d{2}-\\d{2}T\\d{2}:\\d{2}:\\d{2}\\+0000$/', $cookie['expires'])
+        ) {
+            try {
+                $dt = new DateTime($cookie['expires']);
+                $dt->setTimezone(new DateTimeZone('UTC'));
+                $cookie['expires'] = $dt->format(DateTime::ISO8601);
+            } catch (Exception $e) {
+                throw new HTTP_Request2_LogicException($e->getMessage());
+            }
+        }
+
+        if (empty($cookie['domain']) || empty($cookie['path'])) {
+            if (!$setter) {
+                throw new HTTP_Request2_LogicException(
+                    'Cookie misses domain and/or path component, cookie setter URL needed',
+                    HTTP_Request2_Exception::MISSING_VALUE
+                );
+            }
+            if (empty($cookie['domain'])) {
+                if ($host = $setter->getHost()) {
+                    $cookie['domain'] = $host;
+                } else {
+                    throw new HTTP_Request2_LogicException(
+                        'Setter URL does not contain host part, can\'t set cookie domain',
+                        HTTP_Request2_Exception::MISSING_VALUE
+                    );
+                }
+            }
+            if (empty($cookie['path'])) {
+                $path = $setter->getPath();
+                $cookie['path'] = empty($path)? '/': substr($path, 0, strrpos($path, '/') + 1);
+            }
+        }
+
+        if ($setter && !$this->domainMatch($setter->getHost(), $cookie['domain'])) {
+            throw new HTTP_Request2_MessageException(
+                "Domain " . $setter->getHost() . " cannot set cookies for "
+                . $cookie['domain']
+            );
+        }
+
+        return $cookie;
+    }
+
+    /**
+     * Stores a cookie in the jar
+     *
+     * @param array    $cookie cookie data, as returned by
+     *                         {@link HTTP_Request2_Response::getCookies()}
+     * @param Net_URL2 $setter URL of the document that sent Set-Cookie header
+     *
+     * @throws   HTTP_Request2_Exception
+     */
+    public function store(array $cookie, Net_URL2 $setter = null)
+    {
+        $cookie = $this->checkAndUpdateFields($cookie, $setter);
+
+        if (strlen($cookie['value'])
+            && (is_null($cookie['expires']) || $cookie['expires'] > $this->now())
+        ) {
+            if (!isset($this->cookies[$cookie['domain']])) {
+                $this->cookies[$cookie['domain']] = array();
+            }
+            if (!isset($this->cookies[$cookie['domain']][$cookie['path']])) {
+                $this->cookies[$cookie['domain']][$cookie['path']] = array();
+            }
+            $this->cookies[$cookie['domain']][$cookie['path']][$cookie['name']] = $cookie;
+
+        } elseif (isset($this->cookies[$cookie['domain']][$cookie['path']][$cookie['name']])) {
+            unset($this->cookies[$cookie['domain']][$cookie['path']][$cookie['name']]);
+        }
+    }
+
+    /**
+     * Adds cookies set in HTTP response to the jar
+     *
+     * @param HTTP_Request2_Response $response HTTP response message
+     * @param Net_URL2               $setter   original request URL, needed for
+     *                               setting default domain/path
+     */
+    public function addCookiesFromResponse(HTTP_Request2_Response $response, Net_URL2 $setter)
+    {
+        foreach ($response->getCookies() as $cookie) {
+            $this->store($cookie, $setter);
+        }
+    }
+
+    /**
+     * Returns all cookies matching a given request URL
+     *
+     * The following checks are made:
+     *   - cookie domain should match request host
+     *   - cookie path should be a prefix for request path
+     *   - 'secure' cookies will only be sent for HTTPS requests
+     *
+     * @param Net_URL2 $url      Request url
+     * @param bool     $asString Whether to return cookies as string for "Cookie: " header
+     *
+     * @return array|string Matching cookies
+     */
+    public function getMatching(Net_URL2 $url, $asString = false)
+    {
+        $host   = $url->getHost();
+        $path   = $url->getPath();
+        $secure = 0 == strcasecmp($url->getScheme(), 'https');
+
+        $matched = $ret = array();
+        foreach (array_keys($this->cookies) as $domain) {
+            if ($this->domainMatch($host, $domain)) {
+                foreach (array_keys($this->cookies[$domain]) as $cPath) {
+                    if (0 === strpos($path, $cPath)) {
+                        foreach ($this->cookies[$domain][$cPath] as $name => $cookie) {
+                            if (!$cookie['secure'] || $secure) {
+                                $matched[$name][strlen($cookie['path'])] = $cookie;
+                            }
+                        }
+                    }
+                }
+            }
+        }
+        foreach ($matched as $cookies) {
+            krsort($cookies);
+            $ret = array_merge($ret, $cookies);
+        }
+        if (!$asString) {
+            return $ret;
+        } else {
+            $str = '';
+            foreach ($ret as $c) {
+                $str .= (empty($str)? '': '; ') . $c['name'] . '=' . $c['value'];
+            }
+            return $str;
+        }
+    }
+
+    /**
+     * Returns all cookies stored in a jar
+     *
+     * @return array
+     */
+    public function getAll()
+    {
+        $cookies = array();
+        foreach (array_keys($this->cookies) as $domain) {
+            foreach (array_keys($this->cookies[$domain]) as $path) {
+                foreach ($this->cookies[$domain][$path] as $name => $cookie) {
+                    $cookies[] = $cookie;
+                }
+            }
+        }
+        return $cookies;
+    }
+
+    /**
+     * Sets whether session cookies should be serialized when serializing the jar
+     *
+     * @param boolean $serialize serialize?
+     */
+    public function serializeSessionCookies($serialize)
+    {
+        $this->serializeSession = (bool)$serialize;
+    }
+
+    /**
+     * Sets whether Public Suffix List should be used for restricting cookie-setting
+     *
+     * Without PSL {@link domainMatch()} will only prevent setting cookies for
+     * top-level domains like '.com' or '.org'. However, it will not prevent
+     * setting a cookie for '.co.uk' even though only third-level registrations
+     * are possible in .uk domain.
+     *
+     * With the List it is possible to find the highest level at which a domain
+     * may be registered for a particular top-level domain and consequently
+     * prevent cookies set for '.co.uk' or '.msk.ru'. The same list is used by
+     * Firefox, Chrome and Opera browsers to restrict cookie setting.
+     *
+     * Note that PSL is licensed differently to HTTP_Request2 package (refer to
+     * the license information in public-suffix-list.php), so you can disable
+     * its use if this is an issue for you.
+     *
+     * @param boolean $useList use the list?
+     *
+     * @link     http://publicsuffix.org/learn/
+     */
+    public function usePublicSuffixList($useList)
+    {
+        $this->useList = (bool)$useList;
+    }
+
+    /**
+     * Returns string representation of object
+     *
+     * @return string
+     *
+     * @see    Serializable::serialize()
+     */
+    public function serialize()
+    {
+        $cookies = $this->getAll();
+        if (!$this->serializeSession) {
+            for ($i = count($cookies) - 1; $i >= 0; $i--) {
+                if (empty($cookies[$i]['expires'])) {
+                    unset($cookies[$i]);
+                }
+            }
+        }
+        return serialize(array(
+            'cookies'          => $cookies,
+            'serializeSession' => $this->serializeSession,
+            'useList'          => $this->useList
+        ));
+    }
+
+    /**
+     * Constructs the object from serialized string
+     *
+     * @param string $serialized string representation
+     *
+     * @see   Serializable::unserialize()
+     */
+    public function unserialize($serialized)
+    {
+        $data = unserialize($serialized);
+        $now  = $this->now();
+        $this->serializeSessionCookies($data['serializeSession']);
+        $this->usePublicSuffixList($data['useList']);
+        foreach ($data['cookies'] as $cookie) {
+            if (!empty($cookie['expires']) && $cookie['expires'] <= $now) {
+                continue;
+            }
+            if (!isset($this->cookies[$cookie['domain']])) {
+                $this->cookies[$cookie['domain']] = array();
+            }
+            if (!isset($this->cookies[$cookie['domain']][$cookie['path']])) {
+                $this->cookies[$cookie['domain']][$cookie['path']] = array();
+            }
+            $this->cookies[$cookie['domain']][$cookie['path']][$cookie['name']] = $cookie;
+        }
+    }
+
+    /**
+     * Checks whether a cookie domain matches a request host.
+     *
+     * The method is used by {@link store()} to check for whether a document
+     * at given URL can set a cookie with a given domain attribute and by
+     * {@link getMatching()} to find cookies matching the request URL.
+     *
+     * @param string $requestHost  request host
+     * @param string $cookieDomain cookie domain
+     *
+     * @return   bool    match success
+     */
+    public function domainMatch($requestHost, $cookieDomain)
+    {
+        if ($requestHost == $cookieDomain) {
+            return true;
+        }
+        // IP address, we require exact match
+        if (preg_match('/^(?:\d{1,3}\.){3}\d{1,3}$/', $requestHost)) {
+            return false;
+        }
+        if ('.' != $cookieDomain[0]) {
+            $cookieDomain = '.' . $cookieDomain;
+        }
+        // prevents setting cookies for '.com' and similar domains
+        if (!$this->useList && substr_count($cookieDomain, '.') < 2
+            || $this->useList && !self::getRegisteredDomain($cookieDomain)
+        ) {
+            return false;
+        }
+        return substr('.' . $requestHost, -strlen($cookieDomain)) == $cookieDomain;
+    }
+
+    /**
+     * Removes subdomains to get the registered domain (the first after top-level)
+     *
+     * The method will check Public Suffix List to find out where top-level
+     * domain ends and registered domain starts. It will remove domain parts
+     * to the left of registered one.
+     *
+     * @param string $domain domain name
+     *
+     * @return string|bool   registered domain, will return false if $domain is
+     *                       either invalid or a TLD itself
+     */
+    public static function getRegisteredDomain($domain)
+    {
+        $domainParts = explode('.', ltrim($domain, '.'));
+
+        // load the list if needed
+        if (empty(self::$psl)) {
+            $path = 'data/module//data' . DIRECTORY_SEPARATOR . 'HTTP_Request2';
+            if (0 === strpos($path, '@' . 'data_dir@')) {
+                $path = realpath(
+                    dirname(__FILE__) . DIRECTORY_SEPARATOR . '..'
+                    . DIRECTORY_SEPARATOR . '..' . DIRECTORY_SEPARATOR . 'data'
+                );
+            }
+            self::$psl = include_once $path . DIRECTORY_SEPARATOR . 'public-suffix-list.php';
+        }
+
+        if (!($result = self::checkDomainsList($domainParts, self::$psl))) {
+            // known TLD, invalid domain name
+            return false;
+        }
+
+        // unknown TLD
+        if (!strpos($result, '.')) {
+            // fallback to checking that domain "has at least two dots"
+            if (2 > ($count = count($domainParts))) {
+                return false;
+            }
+            return $domainParts[$count - 2] . '.' . $domainParts[$count - 1];
+        }
+        return $result;
+    }
+
+    /**
+     * Recursive helper method for {@link getRegisteredDomain()}
+     *
+     * @param array $domainParts remaining domain parts
+     * @param mixed $listNode    node in {@link HTTP_Request2_CookieJar::$psl} to check
+     *
+     * @return string|null   concatenated domain parts, null in case of error
+     */
+    protected static function checkDomainsList(array $domainParts, $listNode)
+    {
+        $sub    = array_pop($domainParts);
+        $result = null;
+
+        if (!is_array($listNode) || is_null($sub)
+            || array_key_exists('!' . $sub, $listNode)
+        ) {
+            return $sub;
+
+        } elseif (array_key_exists($sub, $listNode)) {
+            $result = self::checkDomainsList($domainParts, $listNode[$sub]);
+
+        } elseif (array_key_exists('*', $listNode)) {
+            $result = self::checkDomainsList($domainParts, $listNode['*']);
+
+        } else {
+            return $sub;
+        }
+
+        return (strlen($result) > 0) ? ($result . '.' . $sub) : null;
+    }
+}
+?>
Index: branches/version-2_13-dev/data/module/HTTP/Request2/SOCKS5.php
===================================================================
--- branches/version-2_13-dev/data/module/HTTP/Request2/SOCKS5.php	(revision 23125)
+++ branches/version-2_13-dev/data/module/HTTP/Request2/SOCKS5.php	(revision 23125)
@@ -0,0 +1,158 @@
+<?php
+/**
+ * SOCKS5 proxy connection class
+ *
+ * PHP version 5
+ *
+ * LICENSE:
+ *
+ * Copyright (c) 2008-2012, Alexey Borzov <avb@php.net>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *    * Redistributions of source code must retain the above copyright
+ *      notice, this list of conditions and the following disclaimer.
+ *    * Redistributions in binary form must reproduce the above copyright
+ *      notice, this list of conditions and the following disclaimer in the
+ *      documentation and/or other materials provided with the distribution.
+ *    * The names of the authors may not be used to endorse or promote products
+ *      derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @category HTTP
+ * @package  HTTP_Request2
+ * @author   Alexey Borzov <avb@php.net>
+ * @license  http://opensource.org/licenses/bsd-license.php New BSD License
+ * @version  SVN: $Id: SOCKS5.php 324953 2012-04-08 07:24:12Z avb $
+ * @link     http://pear.php.net/package/HTTP_Request2
+ */
+
+/** Socket wrapper class used by Socket Adapter */
+require_once 'HTTP/Request2/SocketWrapper.php';
+
+/**
+ * SOCKS5 proxy connection class (used by Socket Adapter)
+ *
+ * @category HTTP
+ * @package  HTTP_Request2
+ * @author   Alexey Borzov <avb@php.net>
+ * @license  http://opensource.org/licenses/bsd-license.php New BSD License
+ * @version  Release: 2.1.1
+ * @link     http://pear.php.net/package/HTTP_Request2
+ * @link     http://pear.php.net/bugs/bug.php?id=19332
+ * @link     http://tools.ietf.org/html/rfc1928
+ */
+class HTTP_Request2_SOCKS5 extends HTTP_Request2_SocketWrapper
+{
+    /**
+     * Constructor, tries to connect and authenticate to a SOCKS5 proxy
+     *
+     * @param string $address    Proxy address, e.g. 'tcp://localhost:1080'
+     * @param int    $timeout    Connection timeout (seconds)
+     * @param array  $sslOptions SSL context options
+     * @param string $username   Proxy user name
+     * @param string $password   Proxy password
+     *
+     * @throws HTTP_Request2_LogicException
+     * @throws HTTP_Request2_ConnectionException
+     * @throws HTTP_Request2_MessageException
+     */
+    public function __construct(
+        $address, $timeout = 10, array $sslOptions = array(),
+        $username = null, $password = null
+    ) {
+        parent::__construct($address, $timeout, $sslOptions);
+
+        if (strlen($username)) {
+            $request = pack('C4', 5, 2, 0, 2);
+        } else {
+            $request = pack('C3', 5, 1, 0);
+        }
+        $this->write($request);
+        $response = unpack('Cversion/Cmethod', $this->read(3));
+        if (5 != $response['version']) {
+            throw new HTTP_Request2_MessageException(
+                'Invalid version received from SOCKS5 proxy: ' . $response['version'],
+                HTTP_Request2_Exception::MALFORMED_RESPONSE
+            );
+        }
+        switch ($response['method']) {
+        case 2:
+            $this->performAuthentication($username, $password);
+        case 0:
+            break;
+        default:
+            throw new HTTP_Request2_ConnectionException(
+                "Connection rejected by proxy due to unsupported auth method"
+            );
+        }
+    }
+
+    /**
+     * Performs username/password authentication for SOCKS5
+     *
+     * @param string $username Proxy user name
+     * @param string $password Proxy password
+     *
+     * @throws HTTP_Request2_ConnectionException
+     * @throws HTTP_Request2_MessageException
+     * @link http://tools.ietf.org/html/rfc1929
+     */
+    protected function performAuthentication($username, $password)
+    {
+        $request  = pack('C2', 1, strlen($username)) . $username
+                    . pack('C', strlen($password)) . $password;
+
+        $this->write($request);
+        $response = unpack('Cvn/Cstatus', $this->read(3));
+        if (1 != $response['vn'] || 0 != $response['status']) {
+            throw new HTTP_Request2_ConnectionException(
+                'Connection rejected by proxy due to invalid username and/or password'
+            );
+        }
+    }
+
+    /**
+     * Connects to a remote host via proxy
+     *
+     * @param string $remoteHost Remote host
+     * @param int    $remotePort Remote port
+     *
+     * @throws HTTP_Request2_ConnectionException
+     * @throws HTTP_Request2_MessageException
+     */
+    public function connect($remoteHost, $remotePort)
+    {
+        $request = pack('C5', 0x05, 0x01, 0x00, 0x03, strlen($remoteHost))
+                   . $remoteHost . pack('n', $remotePort);
+
+        $this->write($request);
+        $response = unpack('Cversion/Creply/Creserved', $this->read(1024));
+        if (5 != $response['version'] || 0 != $response['reserved']) {
+            throw new HTTP_Request2_MessageException(
+                'Invalid response received from SOCKS5 proxy',
+                HTTP_Request2_Exception::MALFORMED_RESPONSE
+            );
+        } elseif (0 != $response['reply']) {
+            throw new HTTP_Request2_ConnectionException(
+                "Unable to connect to {$remoteHost}:{$remotePort} through SOCKS5 proxy",
+                0, $response['reply']
+            );
+        }
+    }
+}
+?>
Index: branches/version-2_13-dev/data/module/HTTP/Request2/SocketWrapper.php
===================================================================
--- branches/version-2_13-dev/data/module/HTTP/Request2/SocketWrapper.php	(revision 23125)
+++ branches/version-2_13-dev/data/module/HTTP/Request2/SocketWrapper.php	(revision 23125)
@@ -0,0 +1,283 @@
+<?php
+/**
+ * Socket wrapper class used by Socket Adapter
+ *
+ * PHP version 5
+ *
+ * LICENSE:
+ *
+ * Copyright (c) 2008-2012, Alexey Borzov <avb@php.net>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *    * Redistributions of source code must retain the above copyright
+ *      notice, this list of conditions and the following disclaimer.
+ *    * Redistributions in binary form must reproduce the above copyright
+ *      notice, this list of conditions and the following disclaimer in the
+ *      documentation and/or other materials provided with the distribution.
+ *    * The names of the authors may not be used to endorse or promote products
+ *      derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @category HTTP
+ * @package  HTTP_Request2
+ * @author   Alexey Borzov <avb@php.net>
+ * @license  http://opensource.org/licenses/bsd-license.php New BSD License
+ * @version  SVN: $Id: SocketWrapper.php 324935 2012-04-07 07:10:50Z avb $
+ * @link     http://pear.php.net/package/HTTP_Request2
+ */
+
+/** Exception classes for HTTP_Request2 package */
+require_once 'HTTP/Request2/Exception.php';
+
+/**
+ * Socket wrapper class used by Socket Adapter
+ *
+ * Needed to properly handle connection errors, global timeout support and
+ * similar things. Loosely based on Net_Socket used by older HTTP_Request.
+ *
+ * @category HTTP
+ * @package  HTTP_Request2
+ * @author   Alexey Borzov <avb@php.net>
+ * @license  http://opensource.org/licenses/bsd-license.php New BSD License
+ * @version  Release: 2.1.1
+ * @link     http://pear.php.net/package/HTTP_Request2
+ * @link     http://pear.php.net/bugs/bug.php?id=19332
+ * @link     http://tools.ietf.org/html/rfc1928
+ */
+class HTTP_Request2_SocketWrapper
+{
+    /**
+     * PHP warning messages raised during stream_socket_client() call
+     * @var array
+     */
+    protected $connectionWarnings = array();
+
+    /**
+     * Connected socket
+     * @var resource
+     */
+    protected $socket;
+
+    /**
+     * Sum of start time and global timeout, exception will be thrown if request continues past this time
+     * @var  integer
+     */
+    protected $deadline;
+
+    /**
+     * Global timeout value, mostly for exception messages
+     * @var integer
+     */
+    protected $timeout;
+
+    /**
+     * Class constructor, tries to establish connection
+     *
+     * @param string $address    Address for stream_socket_client() call,
+     *                           e.g. 'tcp://localhost:80'
+     * @param int    $timeout    Connection timeout (seconds)
+     * @param array  $sslOptions SSL context options
+     *
+     * @throws HTTP_Request2_LogicException
+     * @throws HTTP_Request2_ConnectionException
+     */
+    public function __construct($address, $timeout, array $sslOptions = array())
+    {
+        $context = stream_context_create();
+        foreach ($sslOptions as $name => $value) {
+            if (!stream_context_set_option($context, 'ssl', $name, $value)) {
+                throw new HTTP_Request2_LogicException(
+                    "Error setting SSL context option '{$name}'"
+                );
+            }
+        }
+        set_error_handler(array($this, 'connectionWarningsHandler'));
+        $this->socket = stream_socket_client(
+            $address, $errno, $errstr, $timeout, STREAM_CLIENT_CONNECT, $context
+        );
+        restore_error_handler();
+        if (!$this->socket) {
+            $error = $errstr ? $errstr : implode("\n", $this->connectionWarnings);
+            throw new HTTP_Request2_ConnectionException(
+                "Unable to connect to {$address}. Error: {$error}", 0, $errno
+            );
+        }
+    }
+
+    /**
+     * Destructor, disconnects socket
+     */
+    public function __destruct()
+    {
+        fclose($this->socket);
+    }
+
+    /**
+     * Wrapper around fread(), handles global request timeout
+     *
+     * @param int $length Reads up to this number of bytes
+     *
+     * @return   string Data read from socket
+     * @throws   HTTP_Request2_MessageException     In case of timeout
+     */
+    public function read($length)
+    {
+        if ($this->deadline) {
+            stream_set_timeout($this->socket, max($this->deadline - time(), 1));
+        }
+        $data = fread($this->socket, $length);
+        $this->checkTimeout();
+        return $data;
+    }
+
+    /**
+     * Reads until either the end of the socket or a newline, whichever comes first
+     *
+     * Strips the trailing newline from the returned data, handles global
+     * request timeout. Method idea borrowed from Net_Socket PEAR package.
+     *
+     * @param int $bufferSize buffer size to use for reading
+     *
+     * @return   string Available data up to the newline (not including newline)
+     * @throws   HTTP_Request2_MessageException     In case of timeout
+     */
+    public function readLine($bufferSize)
+    {
+        $line = '';
+        while (!feof($this->socket)) {
+            if ($this->deadline) {
+                stream_set_timeout($this->socket, max($this->deadline - time(), 1));
+            }
+            $line .= @fgets($this->socket, $bufferSize);
+            $this->checkTimeout();
+            if (substr($line, -1) == "\n") {
+                return rtrim($line, "\r\n");
+            }
+        }
+        return $line;
+    }
+
+    /**
+     * Wrapper around fwrite(), handles global request timeout
+     *
+     * @param string $data String to be written
+     *
+     * @return int
+     * @throws HTTP_Request2_MessageException
+     */
+    public function write($data)
+    {
+        if ($this->deadline) {
+            stream_set_timeout($this->socket, max($this->deadline - time(), 1));
+        }
+        $written = fwrite($this->socket, $data);
+        $this->checkTimeout();
+        // http://www.php.net/manual/en/function.fwrite.php#96951
+        if ($written < strlen($data)) {
+            throw new HTTP_Request2_MessageException('Error writing request');
+        }
+        return $written;
+    }
+
+    /**
+     * Tests for end-of-file on a socket
+     *
+     * @return bool
+     */
+    public function eof()
+    {
+        return feof($this->socket);
+    }
+
+    /**
+     * Sets request deadline
+     *
+     * @param int $deadline Exception will be thrown if request continues
+     *                      past this time
+     * @param int $timeout  Original request timeout value, to use in
+     *                      Exception message
+     */
+    public function setDeadline($deadline, $timeout)
+    {
+        $this->deadline = $deadline;
+        $this->timeout  = $timeout;
+    }
+
+    /**
+     * Turns on encryption on a socket
+     *
+     * @throws HTTP_Request2_ConnectionException
+     */
+    public function enableCrypto()
+    {
+        $modes = array(
+            STREAM_CRYPTO_METHOD_TLS_CLIENT,
+            STREAM_CRYPTO_METHOD_SSLv3_CLIENT,
+            STREAM_CRYPTO_METHOD_SSLv23_CLIENT,
+            STREAM_CRYPTO_METHOD_SSLv2_CLIENT
+        );
+
+        foreach ($modes as $mode) {
+            if (stream_socket_enable_crypto($this->socket, true, $mode)) {
+                return;
+            }
+        }
+        throw new HTTP_Request2_ConnectionException(
+            'Failed to enable secure connection when connecting through proxy'
+        );
+    }
+
+    /**
+     * Throws an Exception if stream timed out
+     *
+     * @throws HTTP_Request2_MessageException
+     */
+    protected function checkTimeout()
+    {
+        $info = stream_get_meta_data($this->socket);
+        if ($info['timed_out'] || $this->deadline && time() > $this->deadline) {
+            $reason = $this->deadline
+                ? "after {$this->timeout} second(s)"
+                : 'due to default_socket_timeout php.ini setting';
+            throw new HTTP_Request2_MessageException(
+                "Request timed out {$reason}", HTTP_Request2_Exception::TIMEOUT
+            );
+        }
+    }
+
+    /**
+     * Error handler to use during stream_socket_client() call
+     *
+     * One stream_socket_client() call may produce *multiple* PHP warnings
+     * (especially OpenSSL-related), we keep them in an array to later use for
+     * the message of HTTP_Request2_ConnectionException
+     *
+     * @param int    $errno  error level
+     * @param string $errstr error message
+     *
+     * @return bool
+     */
+    protected function connectionWarningsHandler($errno, $errstr)
+    {
+        if ($errno & E_WARNING) {
+            array_unshift($this->connectionWarnings, $errstr);
+        }
+        return true;
+    }
+}
+?>
Index: branches/version-2_13-dev/data/module/HTTP/Request2/Adapter/Socket.php
===================================================================
--- branches/version-2_13-dev/data/module/HTTP/Request2/Adapter/Socket.php	(revision 23125)
+++ branches/version-2_13-dev/data/module/HTTP/Request2/Adapter/Socket.php	(revision 23125)
@@ -0,0 +1,1016 @@
+<?php
+/**
+ * Socket-based adapter for HTTP_Request2
+ *
+ * PHP version 5
+ *
+ * LICENSE:
+ *
+ * Copyright (c) 2008-2012, Alexey Borzov <avb@php.net>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *    * Redistributions of source code must retain the above copyright
+ *      notice, this list of conditions and the following disclaimer.
+ *    * Redistributions in binary form must reproduce the above copyright
+ *      notice, this list of conditions and the following disclaimer in the
+ *      documentation and/or other materials provided with the distribution.
+ *    * The names of the authors may not be used to endorse or promote products
+ *      derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @category HTTP
+ * @package  HTTP_Request2
+ * @author   Alexey Borzov <avb@php.net>
+ * @license  http://opensource.org/licenses/bsd-license.php New BSD License
+ * @version  SVN: $Id: Socket.php 324953 2012-04-08 07:24:12Z avb $
+ * @link     http://pear.php.net/package/HTTP_Request2
+ */
+
+/** Base class for HTTP_Request2 adapters */
+require_once 'HTTP/Request2/Adapter.php';
+
+/** Socket wrapper class */
+require_once 'HTTP/Request2/SocketWrapper.php';
+
+/**
+ * Socket-based adapter for HTTP_Request2
+ *
+ * This adapter uses only PHP sockets and will work on almost any PHP
+ * environment. Code is based on original HTTP_Request PEAR package.
+ *
+ * @category HTTP
+ * @package  HTTP_Request2
+ * @author   Alexey Borzov <avb@php.net>
+ * @license  http://opensource.org/licenses/bsd-license.php New BSD License
+ * @version  Release: 2.1.1
+ * @link     http://pear.php.net/package/HTTP_Request2
+ */
+class HTTP_Request2_Adapter_Socket extends HTTP_Request2_Adapter
+{
+    /**
+     * Regular expression for 'token' rule from RFC 2616
+     */
+    const REGEXP_TOKEN = '[^\x00-\x1f\x7f-\xff()<>@,;:\\\\"/\[\]?={}\s]+';
+
+    /**
+     * Regular expression for 'quoted-string' rule from RFC 2616
+     */
+    const REGEXP_QUOTED_STRING = '"(?:\\\\.|[^\\\\"])*"';
+
+    /**
+     * Connected sockets, needed for Keep-Alive support
+     * @var  array
+     * @see  connect()
+     */
+    protected static $sockets = array();
+
+    /**
+     * Data for digest authentication scheme
+     *
+     * The keys for the array are URL prefixes.
+     *
+     * The values are associative arrays with data (realm, nonce, nonce-count,
+     * opaque...) needed for digest authentication. Stored here to prevent making
+     * duplicate requests to digest-protected resources after we have already
+     * received the challenge.
+     *
+     * @var  array
+     */
+    protected static $challenges = array();
+
+    /**
+     * Connected socket
+     * @var  HTTP_Request2_SocketWrapper
+     * @see  connect()
+     */
+    protected $socket;
+
+    /**
+     * Challenge used for server digest authentication
+     * @var  array
+     */
+    protected $serverChallenge;
+
+    /**
+     * Challenge used for proxy digest authentication
+     * @var  array
+     */
+    protected $proxyChallenge;
+
+    /**
+     * Remaining length of the current chunk, when reading chunked response
+     * @var  integer
+     * @see  readChunked()
+     */
+    protected $chunkLength = 0;
+
+    /**
+     * Remaining amount of redirections to follow
+     *
+     * Starts at 'max_redirects' configuration parameter and is reduced on each
+     * subsequent redirect. An Exception will be thrown once it reaches zero.
+     *
+     * @var  integer
+     */
+    protected $redirectCountdown = null;
+
+    /**
+     * Sends request to the remote server and returns its response
+     *
+     * @param HTTP_Request2 $request HTTP request message
+     *
+     * @return   HTTP_Request2_Response
+     * @throws   HTTP_Request2_Exception
+     */
+    public function sendRequest(HTTP_Request2 $request)
+    {
+        $this->request = $request;
+
+        try {
+            $keepAlive = $this->connect();
+            $headers   = $this->prepareHeaders();
+            $this->socket->write($headers);
+            // provide request headers to the observer, see request #7633
+            $this->request->setLastEvent('sentHeaders', $headers);
+            $this->writeBody();
+
+            $response = $this->readResponse();
+
+            if ($jar = $request->getCookieJar()) {
+                $jar->addCookiesFromResponse($response, $request->getUrl());
+            }
+
+            if (!$this->canKeepAlive($keepAlive, $response)) {
+                $this->disconnect();
+            }
+
+            if ($this->shouldUseProxyDigestAuth($response)) {
+                return $this->sendRequest($request);
+            }
+            if ($this->shouldUseServerDigestAuth($response)) {
+                return $this->sendRequest($request);
+            }
+            if ($authInfo = $response->getHeader('authentication-info')) {
+                $this->updateChallenge($this->serverChallenge, $authInfo);
+            }
+            if ($proxyInfo = $response->getHeader('proxy-authentication-info')) {
+                $this->updateChallenge($this->proxyChallenge, $proxyInfo);
+            }
+
+        } catch (Exception $e) {
+            $this->disconnect();
+        }
+
+        unset($this->request, $this->requestBody);
+
+        if (!empty($e)) {
+            $this->redirectCountdown = null;
+            throw $e;
+        }
+
+        if (!$request->getConfig('follow_redirects') || !$response->isRedirect()) {
+            $this->redirectCountdown = null;
+            return $response;
+        } else {
+            return $this->handleRedirect($request, $response);
+        }
+    }
+
+    /**
+     * Connects to the remote server
+     *
+     * @return   bool    whether the connection can be persistent
+     * @throws   HTTP_Request2_Exception
+     */
+    protected function connect()
+    {
+        $secure  = 0 == strcasecmp($this->request->getUrl()->getScheme(), 'https');
+        $tunnel  = HTTP_Request2::METHOD_CONNECT == $this->request->getMethod();
+        $headers = $this->request->getHeaders();
+        $reqHost = $this->request->getUrl()->getHost();
+        if (!($reqPort = $this->request->getUrl()->getPort())) {
+            $reqPort = $secure? 443: 80;
+        }
+
+        $httpProxy = $socksProxy = false;
+        if (!($host = $this->request->getConfig('proxy_host'))) {
+            $host = $reqHost;
+            $port = $reqPort;
+        } else {
+            if (!($port = $this->request->getConfig('proxy_port'))) {
+                throw new HTTP_Request2_LogicException(
+                    'Proxy port not provided',
+                    HTTP_Request2_Exception::MISSING_VALUE
+                );
+            }
+            if ('http' == ($type = $this->request->getConfig('proxy_type'))) {
+                $httpProxy = true;
+            } elseif ('socks5' == $type) {
+                $socksProxy = true;
+            } else {
+                throw new HTTP_Request2_NotImplementedException(
+                    "Proxy type '{$type}' is not supported"
+                );
+            }
+        }
+
+        if ($tunnel && !$httpProxy) {
+            throw new HTTP_Request2_LogicException(
+                "Trying to perform CONNECT request without proxy",
+                HTTP_Request2_Exception::MISSING_VALUE
+            );
+        }
+        if ($secure && !in_array('ssl', stream_get_transports())) {
+            throw new HTTP_Request2_LogicException(
+                'Need OpenSSL support for https:// requests',
+                HTTP_Request2_Exception::MISCONFIGURATION
+            );
+        }
+
+        // RFC 2068, section 19.7.1: A client MUST NOT send the Keep-Alive
+        // connection token to a proxy server...
+        if ($httpProxy && !$secure && !empty($headers['connection'])
+            && 'Keep-Alive' == $headers['connection']
+        ) {
+            $this->request->setHeader('connection');
+        }
+
+        $keepAlive = ('1.1' == $this->request->getConfig('protocol_version') &&
+                      empty($headers['connection'])) ||
+                     (!empty($headers['connection']) &&
+                      'Keep-Alive' == $headers['connection']);
+
+        $options = array();
+        if ($secure || $tunnel) {
+            foreach ($this->request->getConfig() as $name => $value) {
+                if ('ssl_' == substr($name, 0, 4) && null !== $value) {
+                    if ('ssl_verify_host' == $name) {
+                        if ($value) {
+                            $options['CN_match'] = $reqHost;
+                        }
+                    } else {
+                        $options[substr($name, 4)] = $value;
+                    }
+                }
+            }
+            ksort($options);
+        }
+
+        // Use global request timeout if given, see feature requests #5735, #8964
+        if ($timeout = $this->request->getConfig('timeout')) {
+            $deadline = time() + $timeout;
+        } else {
+            $deadline = null;
+        }
+
+        // Changing SSL context options after connection is established does *not*
+        // work, we need a new connection if options change
+        $remote    = ((!$secure || $httpProxy || $socksProxy)? 'tcp://': 'ssl://')
+                     . $host . ':' . $port;
+        $socketKey = $remote . (
+                        ($secure && $httpProxy || $socksProxy)
+                        ? "->{$reqHost}:{$reqPort}" : ''
+                     ) . (empty($options)? '': ':' . serialize($options));
+        unset($this->socket);
+
+        // We use persistent connections and have a connected socket?
+        // Ensure that the socket is still connected, see bug #16149
+        if ($keepAlive && !empty(self::$sockets[$socketKey])
+            && !self::$sockets[$socketKey]->eof()
+        ) {
+            $this->socket =& self::$sockets[$socketKey];
+
+        } else {
+            if ($socksProxy) {
+                require_once 'HTTP/Request2/SOCKS5.php';
+
+                $this->socket = new HTTP_Request2_SOCKS5(
+                    $remote, $this->request->getConfig('connect_timeout'),
+                    $options, $this->request->getConfig('proxy_user'),
+                    $this->request->getConfig('proxy_password')
+                );
+                // handle request timeouts ASAP
+                $this->socket->setDeadline($deadline, $this->request->getConfig('timeout'));
+                $this->socket->connect($reqHost, $reqPort);
+                if (!$secure) {
+                    $conninfo = "tcp://{$reqHost}:{$reqPort} via {$remote}";
+                } else {
+                    $this->socket->enableCrypto();
+                    $conninfo = "ssl://{$reqHost}:{$reqPort} via {$remote}";
+                }
+
+            } elseif ($secure && $httpProxy && !$tunnel) {
+                $this->establishTunnel();
+                $conninfo = "ssl://{$reqHost}:{$reqPort} via {$remote}";
+
+            } else {
+                $this->socket = new HTTP_Request2_SocketWrapper(
+                    $remote, $this->request->getConfig('connect_timeout'), $options
+                );
+            }
+            $this->request->setLastEvent('connect', empty($conninfo)? $remote: $conninfo);
+            self::$sockets[$socketKey] =& $this->socket;
+        }
+        $this->socket->setDeadline($deadline, $this->request->getConfig('timeout'));
+        return $keepAlive;
+    }
+
+    /**
+     * Establishes a tunnel to a secure remote server via HTTP CONNECT request
+     *
+     * This method will fail if 'ssl_verify_peer' is enabled. Probably because PHP
+     * sees that we are connected to a proxy server (duh!) rather than the server
+     * that presents its certificate.
+     *
+     * @link     http://tools.ietf.org/html/rfc2817#section-5.2
+     * @throws   HTTP_Request2_Exception
+     */
+    protected function establishTunnel()
+    {
+        $donor   = new self;
+        $connect = new HTTP_Request2(
+            $this->request->getUrl(), HTTP_Request2::METHOD_CONNECT,
+            array_merge($this->request->getConfig(), array('adapter' => $donor))
+        );
+        $response = $connect->send();
+        // Need any successful (2XX) response
+        if (200 > $response->getStatus() || 300 <= $response->getStatus()) {
+            throw new HTTP_Request2_ConnectionException(
+                'Failed to connect via HTTPS proxy. Proxy response: ' .
+                $response->getStatus() . ' ' . $response->getReasonPhrase()
+            );
+        }
+        $this->socket = $donor->socket;
+        $this->socket->enableCrypto();
+    }
+
+    /**
+     * Checks whether current connection may be reused or should be closed
+     *
+     * @param boolean                $requestKeepAlive whether connection could
+     *                               be persistent in the first place
+     * @param HTTP_Request2_Response $response         response object to check
+     *
+     * @return   boolean
+     */
+    protected function canKeepAlive($requestKeepAlive, HTTP_Request2_Response $response)
+    {
+        // Do not close socket on successful CONNECT request
+        if (HTTP_Request2::METHOD_CONNECT == $this->request->getMethod()
+            && 200 <= $response->getStatus() && 300 > $response->getStatus()
+        ) {
+            return true;
+        }
+
+        $lengthKnown = 'chunked' == strtolower($response->getHeader('transfer-encoding'))
+                       || null !== $response->getHeader('content-length')
+                       // no body possible for such responses, see also request #17031
+                       || HTTP_Request2::METHOD_HEAD == $this->request->getMethod()
+                       || in_array($response->getStatus(), array(204, 304));
+        $persistent  = 'keep-alive' == strtolower($response->getHeader('connection')) ||
+                       (null === $response->getHeader('connection') &&
+                        '1.1' == $response->getVersion());
+        return $requestKeepAlive && $lengthKnown && $persistent;
+    }
+
+    /**
+     * Disconnects from the remote server
+     */
+    protected function disconnect()
+    {
+        if (!empty($this->socket)) {
+            $this->socket = null;
+            $this->request->setLastEvent('disconnect');
+        }
+    }
+
+    /**
+     * Handles HTTP redirection
+     *
+     * This method will throw an Exception if redirect to a non-HTTP(S) location
+     * is attempted, also if number of redirects performed already is equal to
+     * 'max_redirects' configuration parameter.
+     *
+     * @param HTTP_Request2          $request  Original request
+     * @param HTTP_Request2_Response $response Response containing redirect
+     *
+     * @return   HTTP_Request2_Response      Response from a new location
+     * @throws   HTTP_Request2_Exception
+     */
+    protected function handleRedirect(
+        HTTP_Request2 $request, HTTP_Request2_Response $response
+    ) {
+        if (is_null($this->redirectCountdown)) {
+            $this->redirectCountdown = $request->getConfig('max_redirects');
+        }
+        if (0 == $this->redirectCountdown) {
+            $this->redirectCountdown = null;
+            // Copying cURL behaviour
+            throw new HTTP_Request2_MessageException(
+                'Maximum (' . $request->getConfig('max_redirects') . ') redirects followed',
+                HTTP_Request2_Exception::TOO_MANY_REDIRECTS
+            );
+        }
+        $redirectUrl = new Net_URL2(
+            $response->getHeader('location'),
+            array(Net_URL2::OPTION_USE_BRACKETS => $request->getConfig('use_brackets'))
+        );
+        // refuse non-HTTP redirect
+        if ($redirectUrl->isAbsolute()
+            && !in_array($redirectUrl->getScheme(), array('http', 'https'))
+        ) {
+            $this->redirectCountdown = null;
+            throw new HTTP_Request2_MessageException(
+                'Refusing to redirect to a non-HTTP URL ' . $redirectUrl->__toString(),
+                HTTP_Request2_Exception::NON_HTTP_REDIRECT
+            );
+        }
+        // Theoretically URL should be absolute (see http://tools.ietf.org/html/rfc2616#section-14.30),
+        // but in practice it is often not
+        if (!$redirectUrl->isAbsolute()) {
+            $redirectUrl = $request->getUrl()->resolve($redirectUrl);
+        }
+        $redirect = clone $request;
+        $redirect->setUrl($redirectUrl);
+        if (303 == $response->getStatus()
+            || (!$request->getConfig('strict_redirects')
+                && in_array($response->getStatus(), array(301, 302)))
+        ) {
+            $redirect->setMethod(HTTP_Request2::METHOD_GET);
+            $redirect->setBody('');
+        }
+
+        if (0 < $this->redirectCountdown) {
+            $this->redirectCountdown--;
+        }
+        return $this->sendRequest($redirect);
+    }
+
+    /**
+     * Checks whether another request should be performed with server digest auth
+     *
+     * Several conditions should be satisfied for it to return true:
+     *   - response status should be 401
+     *   - auth credentials should be set in the request object
+     *   - response should contain WWW-Authenticate header with digest challenge
+     *   - there is either no challenge stored for this URL or new challenge
+     *     contains stale=true parameter (in other case we probably just failed
+     *     due to invalid username / password)
+     *
+     * The method stores challenge values in $challenges static property
+     *
+     * @param HTTP_Request2_Response $response response to check
+     *
+     * @return   boolean whether another request should be performed
+     * @throws   HTTP_Request2_Exception in case of unsupported challenge parameters
+     */
+    protected function shouldUseServerDigestAuth(HTTP_Request2_Response $response)
+    {
+        // no sense repeating a request if we don't have credentials
+        if (401 != $response->getStatus() || !$this->request->getAuth()) {
+            return false;
+        }
+        if (!$challenge = $this->parseDigestChallenge($response->getHeader('www-authenticate'))) {
+            return false;
+        }
+
+        $url    = $this->request->getUrl();
+        $scheme = $url->getScheme();
+        $host   = $scheme . '://' . $url->getHost();
+        if ($port = $url->getPort()) {
+            if ((0 == strcasecmp($scheme, 'http') && 80 != $port)
+                || (0 == strcasecmp($scheme, 'https') && 443 != $port)
+            ) {
+                $host .= ':' . $port;
+            }
+        }
+
+        if (!empty($challenge['domain'])) {
+            $prefixes = array();
+            foreach (preg_split('/\\s+/', $challenge['domain']) as $prefix) {
+                // don't bother with different servers
+                if ('/' == substr($prefix, 0, 1)) {
+                    $prefixes[] = $host . $prefix;
+                }
+            }
+        }
+        if (empty($prefixes)) {
+            $prefixes = array($host . '/');
+        }
+
+        $ret = true;
+        foreach ($prefixes as $prefix) {
+            if (!empty(self::$challenges[$prefix])
+                && (empty($challenge['stale']) || strcasecmp('true', $challenge['stale']))
+            ) {
+                // probably credentials are invalid
+                $ret = false;
+            }
+            self::$challenges[$prefix] =& $challenge;
+        }
+        return $ret;
+    }
+
+    /**
+     * Checks whether another request should be performed with proxy digest auth
+     *
+     * Several conditions should be satisfied for it to return true:
+     *   - response status should be 407
+     *   - proxy auth credentials should be set in the request object
+     *   - response should contain Proxy-Authenticate header with digest challenge
+     *   - there is either no challenge stored for this proxy or new challenge
+     *     contains stale=true parameter (in other case we probably just failed
+     *     due to invalid username / password)
+     *
+     * The method stores challenge values in $challenges static property
+     *
+     * @param HTTP_Request2_Response $response response to check
+     *
+     * @return   boolean whether another request should be performed
+     * @throws   HTTP_Request2_Exception in case of unsupported challenge parameters
+     */
+    protected function shouldUseProxyDigestAuth(HTTP_Request2_Response $response)
+    {
+        if (407 != $response->getStatus() || !$this->request->getConfig('proxy_user')) {
+            return false;
+        }
+        if (!($challenge = $this->parseDigestChallenge($response->getHeader('proxy-authenticate')))) {
+            return false;
+        }
+
+        $key = 'proxy://' . $this->request->getConfig('proxy_host') .
+               ':' . $this->request->getConfig('proxy_port');
+
+        if (!empty(self::$challenges[$key])
+            && (empty($challenge['stale']) || strcasecmp('true', $challenge['stale']))
+        ) {
+            $ret = false;
+        } else {
+            $ret = true;
+        }
+        self::$challenges[$key] = $challenge;
+        return $ret;
+    }
+
+    /**
+     * Extracts digest method challenge from (WWW|Proxy)-Authenticate header value
+     *
+     * There is a problem with implementation of RFC 2617: several of the parameters
+     * are defined as quoted-string there and thus may contain backslash escaped
+     * double quotes (RFC 2616, section 2.2). However, RFC 2617 defines unq(X) as
+     * just value of quoted-string X without surrounding quotes, it doesn't speak
+     * about removing backslash escaping.
+     *
+     * Now realm parameter is user-defined and human-readable, strange things
+     * happen when it contains quotes:
+     *   - Apache allows quotes in realm, but apparently uses realm value without
+     *     backslashes for digest computation
+     *   - Squid allows (manually escaped) quotes there, but it is impossible to
+     *     authorize with either escaped or unescaped quotes used in digest,
+     *     probably it can't parse the response (?)
+     *   - Both IE and Firefox display realm value with backslashes in
+     *     the password popup and apparently use the same value for digest
+     *
+     * HTTP_Request2 follows IE and Firefox (and hopefully RFC 2617) in
+     * quoted-string handling, unfortunately that means failure to authorize
+     * sometimes
+     *
+     * @param string $headerValue value of WWW-Authenticate or Proxy-Authenticate header
+     *
+     * @return   mixed   associative array with challenge parameters, false if
+     *                   no challenge is present in header value
+     * @throws   HTTP_Request2_NotImplementedException in case of unsupported challenge parameters
+     */
+    protected function parseDigestChallenge($headerValue)
+    {
+        $authParam   = '(' . self::REGEXP_TOKEN . ')\\s*=\\s*(' .
+                       self::REGEXP_TOKEN . '|' . self::REGEXP_QUOTED_STRING . ')';
+        $challenge   = "!(?<=^|\\s|,)Digest ({$authParam}\\s*(,\\s*|$))+!";
+        if (!preg_match($challenge, $headerValue, $matches)) {
+            return false;
+        }
+
+        preg_match_all('!' . $authParam . '!', $matches[0], $params);
+        $paramsAry   = array();
+        $knownParams = array('realm', 'domain', 'nonce', 'opaque', 'stale',
+                             'algorithm', 'qop');
+        for ($i = 0; $i < count($params[0]); $i++) {
+            // section 3.2.1: Any unrecognized directive MUST be ignored.
+            if (in_array($params[1][$i], $knownParams)) {
+                if ('"' == substr($params[2][$i], 0, 1)) {
+                    $paramsAry[$params[1][$i]] = substr($params[2][$i], 1, -1);
+                } else {
+                    $paramsAry[$params[1][$i]] = $params[2][$i];
+                }
+            }
+        }
+        // we only support qop=auth
+        if (!empty($paramsAry['qop'])
+            && !in_array('auth', array_map('trim', explode(',', $paramsAry['qop'])))
+        ) {
+            throw new HTTP_Request2_NotImplementedException(
+                "Only 'auth' qop is currently supported in digest authentication, " .
+                "server requested '{$paramsAry['qop']}'"
+            );
+        }
+        // we only support algorithm=MD5
+        if (!empty($paramsAry['algorithm']) && 'MD5' != $paramsAry['algorithm']) {
+            throw new HTTP_Request2_NotImplementedException(
+                "Only 'MD5' algorithm is currently supported in digest authentication, " .
+                "server requested '{$paramsAry['algorithm']}'"
+            );
+        }
+
+        return $paramsAry;
+    }
+
+    /**
+     * Parses [Proxy-]Authentication-Info header value and updates challenge
+     *
+     * @param array  &$challenge  challenge to update
+     * @param string $headerValue value of [Proxy-]Authentication-Info header
+     *
+     * @todo     validate server rspauth response
+     */
+    protected function updateChallenge(&$challenge, $headerValue)
+    {
+        $authParam   = '!(' . self::REGEXP_TOKEN . ')\\s*=\\s*(' .
+                       self::REGEXP_TOKEN . '|' . self::REGEXP_QUOTED_STRING . ')!';
+        $paramsAry   = array();
+
+        preg_match_all($authParam, $headerValue, $params);
+        for ($i = 0; $i < count($params[0]); $i++) {
+            if ('"' == substr($params[2][$i], 0, 1)) {
+                $paramsAry[$params[1][$i]] = substr($params[2][$i], 1, -1);
+            } else {
+                $paramsAry[$params[1][$i]] = $params[2][$i];
+            }
+        }
+        // for now, just update the nonce value
+        if (!empty($paramsAry['nextnonce'])) {
+            $challenge['nonce'] = $paramsAry['nextnonce'];
+            $challenge['nc']    = 1;
+        }
+    }
+
+    /**
+     * Creates a value for [Proxy-]Authorization header when using digest authentication
+     *
+     * @param string $user       user name
+     * @param string $password   password
+     * @param string $url        request URL
+     * @param array  &$challenge digest challenge parameters
+     *
+     * @return   string  value of [Proxy-]Authorization request header
+     * @link     http://tools.ietf.org/html/rfc2617#section-3.2.2
+     */
+    protected function createDigestResponse($user, $password, $url, &$challenge)
+    {
+        if (false !== ($q = strpos($url, '?'))
+            && $this->request->getConfig('digest_compat_ie')
+        ) {
+            $url = substr($url, 0, $q);
+        }
+
+        $a1 = md5($user . ':' . $challenge['realm'] . ':' . $password);
+        $a2 = md5($this->request->getMethod() . ':' . $url);
+
+        if (empty($challenge['qop'])) {
+            $digest = md5($a1 . ':' . $challenge['nonce'] . ':' . $a2);
+        } else {
+            $challenge['cnonce'] = 'Req2.' . rand();
+            if (empty($challenge['nc'])) {
+                $challenge['nc'] = 1;
+            }
+            $nc     = sprintf('%08x', $challenge['nc']++);
+            $digest = md5(
+                $a1 . ':' . $challenge['nonce'] . ':' . $nc . ':' .
+                $challenge['cnonce'] . ':auth:' . $a2
+            );
+        }
+        return 'Digest username="' . str_replace(array('\\', '"'), array('\\\\', '\\"'), $user) . '", ' .
+               'realm="' . $challenge['realm'] . '", ' .
+               'nonce="' . $challenge['nonce'] . '", ' .
+               'uri="' . $url . '", ' .
+               'response="' . $digest . '"' .
+               (!empty($challenge['opaque'])?
+                ', opaque="' . $challenge['opaque'] . '"':
+                '') .
+               (!empty($challenge['qop'])?
+                ', qop="auth", nc=' . $nc . ', cnonce="' . $challenge['cnonce'] . '"':
+                '');
+    }
+
+    /**
+     * Adds 'Authorization' header (if needed) to request headers array
+     *
+     * @param array  &$headers    request headers
+     * @param string $requestHost request host (needed for digest authentication)
+     * @param string $requestUrl  request URL (needed for digest authentication)
+     *
+     * @throws   HTTP_Request2_NotImplementedException
+     */
+    protected function addAuthorizationHeader(&$headers, $requestHost, $requestUrl)
+    {
+        if (!($auth = $this->request->getAuth())) {
+            return;
+        }
+        switch ($auth['scheme']) {
+        case HTTP_Request2::AUTH_BASIC:
+            $headers['authorization'] = 'Basic ' . base64_encode(
+                $auth['user'] . ':' . $auth['password']
+            );
+            break;
+
+        case HTTP_Request2::AUTH_DIGEST:
+            unset($this->serverChallenge);
+            $fullUrl = ('/' == $requestUrl[0])?
+                       $this->request->getUrl()->getScheme() . '://' .
+                        $requestHost . $requestUrl:
+                       $requestUrl;
+            foreach (array_keys(self::$challenges) as $key) {
+                if ($key == substr($fullUrl, 0, strlen($key))) {
+                    $headers['authorization'] = $this->createDigestResponse(
+                        $auth['user'], $auth['password'],
+                        $requestUrl, self::$challenges[$key]
+                    );
+                    $this->serverChallenge =& self::$challenges[$key];
+                    break;
+                }
+            }
+            break;
+
+        default:
+            throw new HTTP_Request2_NotImplementedException(
+                "Unknown HTTP authentication scheme '{$auth['scheme']}'"
+            );
+        }
+    }
+
+    /**
+     * Adds 'Proxy-Authorization' header (if needed) to request headers array
+     *
+     * @param array  &$headers   request headers
+     * @param string $requestUrl request URL (needed for digest authentication)
+     *
+     * @throws   HTTP_Request2_NotImplementedException
+     */
+    protected function addProxyAuthorizationHeader(&$headers, $requestUrl)
+    {
+        if (!$this->request->getConfig('proxy_host')
+            || !($user = $this->request->getConfig('proxy_user'))
+            || (0 == strcasecmp('https', $this->request->getUrl()->getScheme())
+                && HTTP_Request2::METHOD_CONNECT != $this->request->getMethod())
+        ) {
+            return;
+        }
+
+        $password = $this->request->getConfig('proxy_password');
+        switch ($this->request->getConfig('proxy_auth_scheme')) {
+        case HTTP_Request2::AUTH_BASIC:
+            $headers['proxy-authorization'] = 'Basic ' . base64_encode(
+                $user . ':' . $password
+            );
+            break;
+
+        case HTTP_Request2::AUTH_DIGEST:
+            unset($this->proxyChallenge);
+            $proxyUrl = 'proxy://' . $this->request->getConfig('proxy_host') .
+                        ':' . $this->request->getConfig('proxy_port');
+            if (!empty(self::$challenges[$proxyUrl])) {
+                $headers['proxy-authorization'] = $this->createDigestResponse(
+                    $user, $password,
+                    $requestUrl, self::$challenges[$proxyUrl]
+                );
+                $this->proxyChallenge =& self::$challenges[$proxyUrl];
+            }
+            break;
+
+        default:
+            throw new HTTP_Request2_NotImplementedException(
+                "Unknown HTTP authentication scheme '" .
+                $this->request->getConfig('proxy_auth_scheme') . "'"
+            );
+        }
+    }
+
+
+    /**
+     * Creates the string with the Request-Line and request headers
+     *
+     * @return   string
+     * @throws   HTTP_Request2_Exception
+     */
+    protected function prepareHeaders()
+    {
+        $headers = $this->request->getHeaders();
+        $url     = $this->request->getUrl();
+        $connect = HTTP_Request2::METHOD_CONNECT == $this->request->getMethod();
+        $host    = $url->getHost();
+
+        $defaultPort = 0 == strcasecmp($url->getScheme(), 'https')? 443: 80;
+        if (($port = $url->getPort()) && $port != $defaultPort || $connect) {
+            $host .= ':' . (empty($port)? $defaultPort: $port);
+        }
+        // Do not overwrite explicitly set 'Host' header, see bug #16146
+        if (!isset($headers['host'])) {
+            $headers['host'] = $host;
+        }
+
+        if ($connect) {
+            $requestUrl = $host;
+
+        } else {
+            if (!$this->request->getConfig('proxy_host')
+                || 'http' != $this->request->getConfig('proxy_type')
+                || 0 == strcasecmp($url->getScheme(), 'https')
+            ) {
+                $requestUrl = '';
+            } else {
+                $requestUrl = $url->getScheme() . '://' . $host;
+            }
+            $path        = $url->getPath();
+            $query       = $url->getQuery();
+            $requestUrl .= (empty($path)? '/': $path) . (empty($query)? '': '?' . $query);
+        }
+
+        if ('1.1' == $this->request->getConfig('protocol_version')
+            && extension_loaded('zlib') && !isset($headers['accept-encoding'])
+        ) {
+            $headers['accept-encoding'] = 'gzip, deflate';
+        }
+        if (($jar = $this->request->getCookieJar())
+            && ($cookies = $jar->getMatching($this->request->getUrl(), true))
+        ) {
+            $headers['cookie'] = (empty($headers['cookie'])? '': $headers['cookie'] . '; ') . $cookies;
+        }
+
+        $this->addAuthorizationHeader($headers, $host, $requestUrl);
+        $this->addProxyAuthorizationHeader($headers, $requestUrl);
+        $this->calculateRequestLength($headers);
+
+        $headersStr = $this->request->getMethod() . ' ' . $requestUrl . ' HTTP/' .
+                      $this->request->getConfig('protocol_version') . "\r\n";
+        foreach ($headers as $name => $value) {
+            $canonicalName = implode('-', array_map('ucfirst', explode('-', $name)));
+            $headersStr   .= $canonicalName . ': ' . $value . "\r\n";
+        }
+        return $headersStr . "\r\n";
+    }
+
+    /**
+     * Sends the request body
+     *
+     * @throws   HTTP_Request2_MessageException
+     */
+    protected function writeBody()
+    {
+        if (in_array($this->request->getMethod(), self::$bodyDisallowed)
+            || 0 == $this->contentLength
+        ) {
+            return;
+        }
+
+        $position   = 0;
+        $bufferSize = $this->request->getConfig('buffer_size');
+        while ($position < $this->contentLength) {
+            if (is_string($this->requestBody)) {
+                $str = substr($this->requestBody, $position, $bufferSize);
+            } elseif (is_resource($this->requestBody)) {
+                $str = fread($this->requestBody, $bufferSize);
+            } else {
+                $str = $this->requestBody->read($bufferSize);
+            }
+            $this->socket->write($str);
+            // Provide the length of written string to the observer, request #7630
+            $this->request->setLastEvent('sentBodyPart', strlen($str));
+            $position += strlen($str);
+        }
+        $this->request->setLastEvent('sentBody', $this->contentLength);
+    }
+
+    /**
+     * Reads the remote server's response
+     *
+     * @return   HTTP_Request2_Response
+     * @throws   HTTP_Request2_Exception
+     */
+    protected function readResponse()
+    {
+        $bufferSize = $this->request->getConfig('buffer_size');
+
+        do {
+            $response = new HTTP_Request2_Response(
+                $this->socket->readLine($bufferSize), true, $this->request->getUrl()
+            );
+            do {
+                $headerLine = $this->socket->readLine($bufferSize);
+                $response->parseHeaderLine($headerLine);
+            } while ('' != $headerLine);
+        } while (in_array($response->getStatus(), array(100, 101)));
+
+        $this->request->setLastEvent('receivedHeaders', $response);
+
+        // No body possible in such responses
+        if (HTTP_Request2::METHOD_HEAD == $this->request->getMethod()
+            || (HTTP_Request2::METHOD_CONNECT == $this->request->getMethod()
+                && 200 <= $response->getStatus() && 300 > $response->getStatus())
+            || in_array($response->getStatus(), array(204, 304))
+        ) {
+            return $response;
+        }
+
+        $chunked = 'chunked' == $response->getHeader('transfer-encoding');
+        $length  = $response->getHeader('content-length');
+        $hasBody = false;
+        if ($chunked || null === $length || 0 < intval($length)) {
+            // RFC 2616, section 4.4:
+            // 3. ... If a message is received with both a
+            // Transfer-Encoding header field and a Content-Length header field,
+            // the latter MUST be ignored.
+            $toRead = ($chunked || null === $length)? null: $length;
+            $this->chunkLength = 0;
+
+            while (!$this->socket->eof() && (is_null($toRead) || 0 < $toRead)) {
+                if ($chunked) {
+                    $data = $this->readChunked($bufferSize);
+                } elseif (is_null($toRead)) {
+                    $data = $this->socket->read($bufferSize);
+                } else {
+                    $data    = $this->socket->read(min($toRead, $bufferSize));
+                    $toRead -= strlen($data);
+                }
+                if ('' == $data && (!$this->chunkLength || $this->socket->eof())) {
+                    break;
+                }
+
+                $hasBody = true;
+                if ($this->request->getConfig('store_body')) {
+                    $response->appendBody($data);
+                }
+                if (!in_array($response->getHeader('content-encoding'), array('identity', null))) {
+                    $this->request->setLastEvent('receivedEncodedBodyPart', $data);
+                } else {
+                    $this->request->setLastEvent('receivedBodyPart', $data);
+                }
+            }
+        }
+
+        if ($hasBody) {
+            $this->request->setLastEvent('receivedBody', $response);
+        }
+        return $response;
+    }
+
+    /**
+     * Reads a part of response body encoded with chunked Transfer-Encoding
+     *
+     * @param int $bufferSize buffer size to use for reading
+     *
+     * @return   string
+     * @throws   HTTP_Request2_MessageException
+     */
+    protected function readChunked($bufferSize)
+    {
+        // at start of the next chunk?
+        if (0 == $this->chunkLength) {
+            $line = $this->socket->readLine($bufferSize);
+            if (!preg_match('/^([0-9a-f]+)/i', $line, $matches)) {
+                throw new HTTP_Request2_MessageException(
+                    "Cannot decode chunked response, invalid chunk length '{$line}'",
+                    HTTP_Request2_Exception::DECODE_ERROR
+                );
+            } else {
+                $this->chunkLength = hexdec($matches[1]);
+                // Chunk with zero length indicates the end
+                if (0 == $this->chunkLength) {
+                    $this->socket->readLine($bufferSize);
+                    return '';
+                }
+            }
+        }
+        $data = $this->socket->read(min($this->chunkLength, $bufferSize));
+        $this->chunkLength -= strlen($data);
+        if (0 == $this->chunkLength) {
+            $this->socket->readLine($bufferSize); // Trailing CRLF
+        }
+        return $data;
+    }
+}
+
+?>
Index: branches/version-2_13-dev/data/module/HTTP/Request2/Adapter/Mock.php
===================================================================
--- branches/version-2_13-dev/data/module/HTTP/Request2/Adapter/Mock.php	(revision 23125)
+++ branches/version-2_13-dev/data/module/HTTP/Request2/Adapter/Mock.php	(revision 23125)
@@ -0,0 +1,189 @@
+<?php
+/**
+ * Mock adapter intended for testing
+ *
+ * PHP version 5
+ *
+ * LICENSE:
+ *
+ * Copyright (c) 2008-2012, Alexey Borzov <avb@php.net>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *    * Redistributions of source code must retain the above copyright
+ *      notice, this list of conditions and the following disclaimer.
+ *    * Redistributions in binary form must reproduce the above copyright
+ *      notice, this list of conditions and the following disclaimer in the
+ *      documentation and/or other materials provided with the distribution.
+ *    * The names of the authors may not be used to endorse or promote products
+ *      derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @category HTTP
+ * @package  HTTP_Request2
+ * @author   Alexey Borzov <avb@php.net>
+ * @license  http://opensource.org/licenses/bsd-license.php New BSD License
+ * @version  SVN: $Id: Mock.php 324937 2012-04-07 10:05:57Z avb $
+ * @link     http://pear.php.net/package/HTTP_Request2
+ */
+
+/**
+ * Base class for HTTP_Request2 adapters
+ */
+require_once 'HTTP/Request2/Adapter.php';
+
+/**
+ * Mock adapter intended for testing
+ *
+ * Can be used to test applications depending on HTTP_Request2 package without
+ * actually performing any HTTP requests. This adapter will return responses
+ * previously added via addResponse()
+ * <code>
+ * $mock = new HTTP_Request2_Adapter_Mock();
+ * $mock->addResponse("HTTP/1.1 ... ");
+ *
+ * $request = new HTTP_Request2();
+ * $request->setAdapter($mock);
+ *
+ * // This will return the response set above
+ * $response = $req->send();
+ * </code>
+ *
+ * @category HTTP
+ * @package  HTTP_Request2
+ * @author   Alexey Borzov <avb@php.net>
+ * @license  http://opensource.org/licenses/bsd-license.php New BSD License
+ * @version  Release: 2.1.1
+ * @link     http://pear.php.net/package/HTTP_Request2
+ */
+class HTTP_Request2_Adapter_Mock extends HTTP_Request2_Adapter
+{
+    /**
+     * A queue of responses to be returned by sendRequest()
+     * @var  array
+     */
+    protected $responses = array();
+
+    /**
+     * Returns the next response from the queue built by addResponse()
+     *
+     * Only responses without explicit URLs or with URLs equal to request URL
+     * will be considered. If matching response is not found or the queue is
+     * empty then default empty response with status 400 will be returned,
+     * if an Exception object was added to the queue it will be thrown.
+     *
+     * @param HTTP_Request2 $request HTTP request message
+     *
+     * @return   HTTP_Request2_Response
+     * @throws   Exception
+     */
+    public function sendRequest(HTTP_Request2 $request)
+    {
+        $requestUrl = (string)$request->getUrl();
+        $response   = null;
+        foreach ($this->responses as $k => $v) {
+            if (!$v[1] || $requestUrl == $v[1]) {
+                $response = $v[0];
+                array_splice($this->responses, $k, 1);
+                break;
+            }
+        }
+        if (!$response) {
+            return self::createResponseFromString("HTTP/1.1 400 Bad Request\r\n\r\n");
+
+        } elseif ($response instanceof HTTP_Request2_Response) {
+            return $response;
+
+        } else {
+            // rethrow the exception
+            $class   = get_class($response);
+            $message = $response->getMessage();
+            $code    = $response->getCode();
+            throw new $class($message, $code);
+        }
+    }
+
+    /**
+     * Adds response to the queue
+     *
+     * @param mixed  $response either a string, a pointer to an open file,
+     *                         an instance of HTTP_Request2_Response or Exception
+     * @param string $url      A request URL this response should be valid for
+     *                         (see {@link http://pear.php.net/bugs/bug.php?id=19276})
+     *
+     * @throws   HTTP_Request2_Exception
+     */
+    public function addResponse($response, $url = null)
+    {
+        if (is_string($response)) {
+            $response = self::createResponseFromString($response);
+        } elseif (is_resource($response)) {
+            $response = self::createResponseFromFile($response);
+        } elseif (!$response instanceof HTTP_Request2_Response &&
+                  !$response instanceof Exception
+        ) {
+            throw new HTTP_Request2_Exception('Parameter is not a valid response');
+        }
+        $this->responses[] = array($response, $url);
+    }
+
+    /**
+     * Creates a new HTTP_Request2_Response object from a string
+     *
+     * @param string $str string containing HTTP response message
+     *
+     * @return   HTTP_Request2_Response
+     * @throws   HTTP_Request2_Exception
+     */
+    public static function createResponseFromString($str)
+    {
+        $parts       = preg_split('!(\r?\n){2}!m', $str, 2);
+        $headerLines = explode("\n", $parts[0]);
+        $response    = new HTTP_Request2_Response(array_shift($headerLines));
+        foreach ($headerLines as $headerLine) {
+            $response->parseHeaderLine($headerLine);
+        }
+        $response->parseHeaderLine('');
+        if (isset($parts[1])) {
+            $response->appendBody($parts[1]);
+        }
+        return $response;
+    }
+
+    /**
+     * Creates a new HTTP_Request2_Response object from a file
+     *
+     * @param resource $fp file pointer returned by fopen()
+     *
+     * @return   HTTP_Request2_Response
+     * @throws   HTTP_Request2_Exception
+     */
+    public static function createResponseFromFile($fp)
+    {
+        $response = new HTTP_Request2_Response(fgets($fp));
+        do {
+            $headerLine = fgets($fp);
+            $response->parseHeaderLine($headerLine);
+        } while ('' != trim($headerLine));
+
+        while (!feof($fp)) {
+            $response->appendBody(fread($fp, 8192));
+        }
+        return $response;
+    }
+}
+?>
Index: branches/version-2_13-dev/data/module/HTTP/Request2/Adapter/Curl.php
===================================================================
--- branches/version-2_13-dev/data/module/HTTP/Request2/Adapter/Curl.php	(revision 23125)
+++ branches/version-2_13-dev/data/module/HTTP/Request2/Adapter/Curl.php	(revision 23125)
@@ -0,0 +1,584 @@
+<?php
+/**
+ * Adapter for HTTP_Request2 wrapping around cURL extension
+ *
+ * PHP version 5
+ *
+ * LICENSE:
+ *
+ * Copyright (c) 2008-2012, Alexey Borzov <avb@php.net>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *    * Redistributions of source code must retain the above copyright
+ *      notice, this list of conditions and the following disclaimer.
+ *    * Redistributions in binary form must reproduce the above copyright
+ *      notice, this list of conditions and the following disclaimer in the
+ *      documentation and/or other materials provided with the distribution.
+ *    * The names of the authors may not be used to endorse or promote products
+ *      derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @category HTTP
+ * @package  HTTP_Request2
+ * @author   Alexey Borzov <avb@php.net>
+ * @license  http://opensource.org/licenses/bsd-license.php New BSD License
+ * @version  SVN: $Id: Curl.php 324746 2012-04-03 15:09:16Z avb $
+ * @link     http://pear.php.net/package/HTTP_Request2
+ */
+
+/**
+ * Base class for HTTP_Request2 adapters
+ */
+require_once 'HTTP/Request2/Adapter.php';
+
+/**
+ * Adapter for HTTP_Request2 wrapping around cURL extension
+ *
+ * @category HTTP
+ * @package  HTTP_Request2
+ * @author   Alexey Borzov <avb@php.net>
+ * @license  http://opensource.org/licenses/bsd-license.php New BSD License
+ * @version  Release: 2.1.1
+ * @link     http://pear.php.net/package/HTTP_Request2
+ */
+class HTTP_Request2_Adapter_Curl extends HTTP_Request2_Adapter
+{
+    /**
+     * Mapping of header names to cURL options
+     * @var  array
+     */
+    protected static $headerMap = array(
+        'accept-encoding' => CURLOPT_ENCODING,
+        'cookie'          => CURLOPT_COOKIE,
+        'referer'         => CURLOPT_REFERER,
+        'user-agent'      => CURLOPT_USERAGENT
+    );
+
+    /**
+     * Mapping of SSL context options to cURL options
+     * @var  array
+     */
+    protected static $sslContextMap = array(
+        'ssl_verify_peer' => CURLOPT_SSL_VERIFYPEER,
+        'ssl_cafile'      => CURLOPT_CAINFO,
+        'ssl_capath'      => CURLOPT_CAPATH,
+        'ssl_local_cert'  => CURLOPT_SSLCERT,
+        'ssl_passphrase'  => CURLOPT_SSLCERTPASSWD
+    );
+
+    /**
+     * Mapping of CURLE_* constants to Exception subclasses and error codes
+     * @var  array
+     */
+    protected static $errorMap = array(
+        CURLE_UNSUPPORTED_PROTOCOL  => array('HTTP_Request2_MessageException',
+                                             HTTP_Request2_Exception::NON_HTTP_REDIRECT),
+        CURLE_COULDNT_RESOLVE_PROXY => array('HTTP_Request2_ConnectionException'),
+        CURLE_COULDNT_RESOLVE_HOST  => array('HTTP_Request2_ConnectionException'),
+        CURLE_COULDNT_CONNECT       => array('HTTP_Request2_ConnectionException'),
+        // error returned from write callback
+        CURLE_WRITE_ERROR           => array('HTTP_Request2_MessageException',
+                                             HTTP_Request2_Exception::NON_HTTP_REDIRECT),
+        CURLE_OPERATION_TIMEOUTED   => array('HTTP_Request2_MessageException',
+                                             HTTP_Request2_Exception::TIMEOUT),
+        CURLE_HTTP_RANGE_ERROR      => array('HTTP_Request2_MessageException'),
+        CURLE_SSL_CONNECT_ERROR     => array('HTTP_Request2_ConnectionException'),
+        CURLE_LIBRARY_NOT_FOUND     => array('HTTP_Request2_LogicException',
+                                             HTTP_Request2_Exception::MISCONFIGURATION),
+        CURLE_FUNCTION_NOT_FOUND    => array('HTTP_Request2_LogicException',
+                                             HTTP_Request2_Exception::MISCONFIGURATION),
+        CURLE_ABORTED_BY_CALLBACK   => array('HTTP_Request2_MessageException',
+                                             HTTP_Request2_Exception::NON_HTTP_REDIRECT),
+        CURLE_TOO_MANY_REDIRECTS    => array('HTTP_Request2_MessageException',
+                                             HTTP_Request2_Exception::TOO_MANY_REDIRECTS),
+        CURLE_SSL_PEER_CERTIFICATE  => array('HTTP_Request2_ConnectionException'),
+        CURLE_GOT_NOTHING           => array('HTTP_Request2_MessageException'),
+        CURLE_SSL_ENGINE_NOTFOUND   => array('HTTP_Request2_LogicException',
+                                             HTTP_Request2_Exception::MISCONFIGURATION),
+        CURLE_SSL_ENGINE_SETFAILED  => array('HTTP_Request2_LogicException',
+                                             HTTP_Request2_Exception::MISCONFIGURATION),
+        CURLE_SEND_ERROR            => array('HTTP_Request2_MessageException'),
+        CURLE_RECV_ERROR            => array('HTTP_Request2_MessageException'),
+        CURLE_SSL_CERTPROBLEM       => array('HTTP_Request2_LogicException',
+                                             HTTP_Request2_Exception::INVALID_ARGUMENT),
+        CURLE_SSL_CIPHER            => array('HTTP_Request2_ConnectionException'),
+        CURLE_SSL_CACERT            => array('HTTP_Request2_ConnectionException'),
+        CURLE_BAD_CONTENT_ENCODING  => array('HTTP_Request2_MessageException'),
+    );
+
+    /**
+     * Response being received
+     * @var  HTTP_Request2_Response
+     */
+    protected $response;
+
+    /**
+     * Whether 'sentHeaders' event was sent to observers
+     * @var  boolean
+     */
+    protected $eventSentHeaders = false;
+
+    /**
+     * Whether 'receivedHeaders' event was sent to observers
+     * @var boolean
+     */
+    protected $eventReceivedHeaders = false;
+
+    /**
+     * Position within request body
+     * @var  integer
+     * @see  callbackReadBody()
+     */
+    protected $position = 0;
+
+    /**
+     * Information about last transfer, as returned by curl_getinfo()
+     * @var  array
+     */
+    protected $lastInfo;
+
+    /**
+     * Creates a subclass of HTTP_Request2_Exception from curl error data
+     *
+     * @param resource $ch curl handle
+     *
+     * @return HTTP_Request2_Exception
+     */
+    protected static function wrapCurlError($ch)
+    {
+        $nativeCode = curl_errno($ch);
+        $message    = 'Curl error: ' . curl_error($ch);
+        if (!isset(self::$errorMap[$nativeCode])) {
+            return new HTTP_Request2_Exception($message, 0, $nativeCode);
+        } else {
+            $class = self::$errorMap[$nativeCode][0];
+            $code  = empty(self::$errorMap[$nativeCode][1])
+                     ? 0 : self::$errorMap[$nativeCode][1];
+            return new $class($message, $code, $nativeCode);
+        }
+    }
+
+    /**
+     * Sends request to the remote server and returns its response
+     *
+     * @param HTTP_Request2 $request HTTP request message
+     *
+     * @return   HTTP_Request2_Response
+     * @throws   HTTP_Request2_Exception
+     */
+    public function sendRequest(HTTP_Request2 $request)
+    {
+        if (!extension_loaded('curl')) {
+            throw new HTTP_Request2_LogicException(
+                'cURL extension not available', HTTP_Request2_Exception::MISCONFIGURATION
+            );
+        }
+
+        $this->request              = $request;
+        $this->response             = null;
+        $this->position             = 0;
+        $this->eventSentHeaders     = false;
+        $this->eventReceivedHeaders = false;
+
+        try {
+            if (false === curl_exec($ch = $this->createCurlHandle())) {
+                $e = self::wrapCurlError($ch);
+            }
+        } catch (Exception $e) {
+        }
+        if (isset($ch)) {
+            $this->lastInfo = curl_getinfo($ch);
+            curl_close($ch);
+        }
+
+        $response = $this->response;
+        unset($this->request, $this->requestBody, $this->response);
+
+        if (!empty($e)) {
+            throw $e;
+        }
+
+        if ($jar = $request->getCookieJar()) {
+            $jar->addCookiesFromResponse($response, $request->getUrl());
+        }
+
+        if (0 < $this->lastInfo['size_download']) {
+            $request->setLastEvent('receivedBody', $response);
+        }
+        return $response;
+    }
+
+    /**
+     * Returns information about last transfer
+     *
+     * @return   array   associative array as returned by curl_getinfo()
+     */
+    public function getInfo()
+    {
+        return $this->lastInfo;
+    }
+
+    /**
+     * Creates a new cURL handle and populates it with data from the request
+     *
+     * @return   resource    a cURL handle, as created by curl_init()
+     * @throws   HTTP_Request2_LogicException
+     */
+    protected function createCurlHandle()
+    {
+        $ch = curl_init();
+
+        curl_setopt_array($ch, array(
+            // setup write callbacks
+            CURLOPT_HEADERFUNCTION => array($this, 'callbackWriteHeader'),
+            CURLOPT_WRITEFUNCTION  => array($this, 'callbackWriteBody'),
+            // buffer size
+            CURLOPT_BUFFERSIZE     => $this->request->getConfig('buffer_size'),
+            // connection timeout
+            CURLOPT_CONNECTTIMEOUT => $this->request->getConfig('connect_timeout'),
+            // save full outgoing headers, in case someone is interested
+            CURLINFO_HEADER_OUT    => true,
+            // request url
+            CURLOPT_URL            => $this->request->getUrl()->getUrl()
+        ));
+
+        // set up redirects
+        if (!$this->request->getConfig('follow_redirects')) {
+            curl_setopt($ch, CURLOPT_FOLLOWLOCATION, false);
+        } else {
+            if (!@curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true)) {
+                throw new HTTP_Request2_LogicException(
+                    'Redirect support in curl is unavailable due to open_basedir or safe_mode setting',
+                    HTTP_Request2_Exception::MISCONFIGURATION
+                );
+            }
+            curl_setopt($ch, CURLOPT_MAXREDIRS, $this->request->getConfig('max_redirects'));
+            // limit redirects to http(s), works in 5.2.10+
+            if (defined('CURLOPT_REDIR_PROTOCOLS')) {
+                curl_setopt($ch, CURLOPT_REDIR_PROTOCOLS, CURLPROTO_HTTP | CURLPROTO_HTTPS);
+            }
+            // works in 5.3.2+, http://bugs.php.net/bug.php?id=49571
+            if ($this->request->getConfig('strict_redirects') && defined('CURLOPT_POSTREDIR')) {
+                curl_setopt($ch, CURLOPT_POSTREDIR, 3);
+            }
+        }
+
+        // request timeout
+        if ($timeout = $this->request->getConfig('timeout')) {
+            curl_setopt($ch, CURLOPT_TIMEOUT, $timeout);
+        }
+
+        // set HTTP version
+        switch ($this->request->getConfig('protocol_version')) {
+        case '1.0':
+            curl_setopt($ch, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0);
+            break;
+        case '1.1':
+            curl_setopt($ch, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);
+        }
+
+        // set request method
+        switch ($this->request->getMethod()) {
+        case HTTP_Request2::METHOD_GET:
+            curl_setopt($ch, CURLOPT_HTTPGET, true);
+            break;
+        case HTTP_Request2::METHOD_POST:
+            curl_setopt($ch, CURLOPT_POST, true);
+            break;
+        case HTTP_Request2::METHOD_HEAD:
+            curl_setopt($ch, CURLOPT_NOBODY, true);
+            break;
+        case HTTP_Request2::METHOD_PUT:
+            curl_setopt($ch, CURLOPT_UPLOAD, true);
+            break;
+        default:
+            curl_setopt($ch, CURLOPT_CUSTOMREQUEST, $this->request->getMethod());
+        }
+
+        // set proxy, if needed
+        if ($host = $this->request->getConfig('proxy_host')) {
+            if (!($port = $this->request->getConfig('proxy_port'))) {
+                throw new HTTP_Request2_LogicException(
+                    'Proxy port not provided', HTTP_Request2_Exception::MISSING_VALUE
+                );
+            }
+            curl_setopt($ch, CURLOPT_PROXY, $host . ':' . $port);
+            if ($user = $this->request->getConfig('proxy_user')) {
+                curl_setopt(
+                    $ch, CURLOPT_PROXYUSERPWD,
+                    $user . ':' . $this->request->getConfig('proxy_password')
+                );
+                switch ($this->request->getConfig('proxy_auth_scheme')) {
+                case HTTP_Request2::AUTH_BASIC:
+                    curl_setopt($ch, CURLOPT_PROXYAUTH, CURLAUTH_BASIC);
+                    break;
+                case HTTP_Request2::AUTH_DIGEST:
+                    curl_setopt($ch, CURLOPT_PROXYAUTH, CURLAUTH_DIGEST);
+                }
+            }
+            if ($type = $this->request->getConfig('proxy_type')) {
+                switch ($type) {
+                case 'http':
+                    curl_setopt($ch, CURLOPT_PROXYTYPE, CURLPROXY_HTTP);
+                    break;
+                case 'socks5':
+                    curl_setopt($ch, CURLOPT_PROXYTYPE, CURLPROXY_SOCKS5);
+                    break;
+                default:
+                    throw new HTTP_Request2_NotImplementedException(
+                        "Proxy type '{$type}' is not supported"
+                    );
+                }
+            }
+        }
+
+        // set authentication data
+        if ($auth = $this->request->getAuth()) {
+            curl_setopt($ch, CURLOPT_USERPWD, $auth['user'] . ':' . $auth['password']);
+            switch ($auth['scheme']) {
+            case HTTP_Request2::AUTH_BASIC:
+                curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
+                break;
+            case HTTP_Request2::AUTH_DIGEST:
+                curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_DIGEST);
+            }
+        }
+
+        // set SSL options
+        foreach ($this->request->getConfig() as $name => $value) {
+            if ('ssl_verify_host' == $name && null !== $value) {
+                curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, $value? 2: 0);
+            } elseif (isset(self::$sslContextMap[$name]) && null !== $value) {
+                curl_setopt($ch, self::$sslContextMap[$name], $value);
+            }
+        }
+
+        $headers = $this->request->getHeaders();
+        // make cURL automagically send proper header
+        if (!isset($headers['accept-encoding'])) {
+            $headers['accept-encoding'] = '';
+        }
+
+        if (($jar = $this->request->getCookieJar())
+            && ($cookies = $jar->getMatching($this->request->getUrl(), true))
+        ) {
+            $headers['cookie'] = (empty($headers['cookie'])? '': $headers['cookie'] . '; ') . $cookies;
+        }
+
+        // set headers having special cURL keys
+        foreach (self::$headerMap as $name => $option) {
+            if (isset($headers[$name])) {
+                curl_setopt($ch, $option, $headers[$name]);
+                unset($headers[$name]);
+            }
+        }
+
+        $this->calculateRequestLength($headers);
+        if (isset($headers['content-length'])) {
+            $this->workaroundPhpBug47204($ch, $headers);
+        }
+
+        // set headers not having special keys
+        $headersFmt = array();
+        foreach ($headers as $name => $value) {
+            $canonicalName = implode('-', array_map('ucfirst', explode('-', $name)));
+            $headersFmt[]  = $canonicalName . ': ' . $value;
+        }
+        curl_setopt($ch, CURLOPT_HTTPHEADER, $headersFmt);
+
+        return $ch;
+    }
+
+    /**
+     * Workaround for PHP bug #47204 that prevents rewinding request body
+     *
+     * The workaround consists of reading the entire request body into memory
+     * and setting it as CURLOPT_POSTFIELDS, so it isn't recommended for large
+     * file uploads, use Socket adapter instead.
+     *
+     * @param resource $ch       cURL handle
+     * @param array    &$headers Request headers
+     */
+    protected function workaroundPhpBug47204($ch, &$headers)
+    {
+        // no redirects, no digest auth -> probably no rewind needed
+        if (!$this->request->getConfig('follow_redirects')
+            && (!($auth = $this->request->getAuth())
+                || HTTP_Request2::AUTH_DIGEST != $auth['scheme'])
+        ) {
+            curl_setopt($ch, CURLOPT_READFUNCTION, array($this, 'callbackReadBody'));
+
+        } else {
+            // rewind may be needed, read the whole body into memory
+            if ($this->requestBody instanceof HTTP_Request2_MultipartBody) {
+                $this->requestBody = $this->requestBody->__toString();
+
+            } elseif (is_resource($this->requestBody)) {
+                $fp = $this->requestBody;
+                $this->requestBody = '';
+                while (!feof($fp)) {
+                    $this->requestBody .= fread($fp, 16384);
+                }
+            }
+            // curl hangs up if content-length is present
+            unset($headers['content-length']);
+            curl_setopt($ch, CURLOPT_POSTFIELDS, $this->requestBody);
+        }
+    }
+
+    /**
+     * Callback function called by cURL for reading the request body
+     *
+     * @param resource $ch     cURL handle
+     * @param resource $fd     file descriptor (not used)
+     * @param integer  $length maximum length of data to return
+     *
+     * @return   string      part of the request body, up to $length bytes
+     */
+    protected function callbackReadBody($ch, $fd, $length)
+    {
+        if (!$this->eventSentHeaders) {
+            $this->request->setLastEvent(
+                'sentHeaders', curl_getinfo($ch, CURLINFO_HEADER_OUT)
+            );
+            $this->eventSentHeaders = true;
+        }
+        if (in_array($this->request->getMethod(), self::$bodyDisallowed)
+            || 0 == $this->contentLength || $this->position >= $this->contentLength
+        ) {
+            return '';
+        }
+        if (is_string($this->requestBody)) {
+            $string = substr($this->requestBody, $this->position, $length);
+        } elseif (is_resource($this->requestBody)) {
+            $string = fread($this->requestBody, $length);
+        } else {
+            $string = $this->requestBody->read($length);
+        }
+        $this->request->setLastEvent('sentBodyPart', strlen($string));
+        $this->position += strlen($string);
+        return $string;
+    }
+
+    /**
+     * Callback function called by cURL for saving the response headers
+     *
+     * @param resource $ch     cURL handle
+     * @param string   $string response header (with trailing CRLF)
+     *
+     * @return   integer     number of bytes saved
+     * @see      HTTP_Request2_Response::parseHeaderLine()
+     */
+    protected function callbackWriteHeader($ch, $string)
+    {
+        // we may receive a second set of headers if doing e.g. digest auth
+        if ($this->eventReceivedHeaders || !$this->eventSentHeaders) {
+            // don't bother with 100-Continue responses (bug #15785)
+            if (!$this->eventSentHeaders
+                || $this->response->getStatus() >= 200
+            ) {
+                $this->request->setLastEvent(
+                    'sentHeaders', curl_getinfo($ch, CURLINFO_HEADER_OUT)
+                );
+            }
+            $upload = curl_getinfo($ch, CURLINFO_SIZE_UPLOAD);
+            // if body wasn't read by a callback, send event with total body size
+            if ($upload > $this->position) {
+                $this->request->setLastEvent(
+                    'sentBodyPart', $upload - $this->position
+                );
+                $this->position = $upload;
+            }
+            if ($upload && (!$this->eventSentHeaders
+                            || $this->response->getStatus() >= 200)
+            ) {
+                $this->request->setLastEvent('sentBody', $upload);
+            }
+            $this->eventSentHeaders = true;
+            // we'll need a new response object
+            if ($this->eventReceivedHeaders) {
+                $this->eventReceivedHeaders = false;
+                $this->response             = null;
+            }
+        }
+        if (empty($this->response)) {
+            $this->response = new HTTP_Request2_Response(
+                $string, false, curl_getinfo($ch, CURLINFO_EFFECTIVE_URL)
+            );
+        } else {
+            $this->response->parseHeaderLine($string);
+            if ('' == trim($string)) {
+                // don't bother with 100-Continue responses (bug #15785)
+                if (200 <= $this->response->getStatus()) {
+                    $this->request->setLastEvent('receivedHeaders', $this->response);
+                }
+
+                if ($this->request->getConfig('follow_redirects') && $this->response->isRedirect()) {
+                    $redirectUrl = new Net_URL2($this->response->getHeader('location'));
+
+                    // for versions lower than 5.2.10, check the redirection URL protocol
+                    if (!defined('CURLOPT_REDIR_PROTOCOLS') && $redirectUrl->isAbsolute()
+                        && !in_array($redirectUrl->getScheme(), array('http', 'https'))
+                    ) {
+                        return -1;
+                    }
+
+                    if ($jar = $this->request->getCookieJar()) {
+                        $jar->addCookiesFromResponse($this->response, $this->request->getUrl());
+                        if (!$redirectUrl->isAbsolute()) {
+                            $redirectUrl = $this->request->getUrl()->resolve($redirectUrl);
+                        }
+                        if ($cookies = $jar->getMatching($redirectUrl, true)) {
+                            curl_setopt($ch, CURLOPT_COOKIE, $cookies);
+                        }
+                    }
+                }
+                $this->eventReceivedHeaders = true;
+            }
+        }
+        return strlen($string);
+    }
+
+    /**
+     * Callback function called by cURL for saving the response body
+     *
+     * @param resource $ch     cURL handle (not used)
+     * @param string   $string part of the response body
+     *
+     * @return   integer     number of bytes saved
+     * @throws   HTTP_Request2_MessageException
+     * @see      HTTP_Request2_Response::appendBody()
+     */
+    protected function callbackWriteBody($ch, $string)
+    {
+        // cURL calls WRITEFUNCTION callback without calling HEADERFUNCTION if
+        // response doesn't start with proper HTTP status line (see bug #15716)
+        if (empty($this->response)) {
+            throw new HTTP_Request2_MessageException(
+                "Malformed response: {$string}",
+                HTTP_Request2_Exception::MALFORMED_RESPONSE
+            );
+        }
+        if ($this->request->getConfig('store_body')) {
+            $this->response->appendBody($string);
+        }
+        $this->request->setLastEvent('receivedBodyPart', $string);
+        return strlen($string);
+    }
+}
+?>
Index: branches/version-2_13-dev/data/module/HTTP/Request.php
===================================================================
--- branches/version-2_13-dev/data/module/HTTP/Request.php	(revision 21282)
+++ branches/version-2_13-dev/data/module/HTTP/Request.php	(revision 23125)
@@ -41,5 +41,5 @@
  * @copyright   2002-2007 Richard Heyes
  * @license     http://opensource.org/licenses/bsd-license.php New BSD License
- * @version     CVS: $Id$
+ * @version     CVS: $Id: Request.php,v 1.63 2008/10/11 11:07:10 avb Exp $
  * @link        http://pear.php.net/package/HTTP_Request/
  */
@@ -560,11 +560,4 @@
         }
     }
-	
-    function addPostDataArray($array, $preencoded = false)
-    {
-		foreach($array as $key => $val){
-			$this->addPostData($key, $val, $preencoded);
-		}
-    }	
 
    /**
Index: branches/version-2_13-dev/data/module/HTTP/Request2.php
===================================================================
--- branches/version-2_13-dev/data/module/HTTP/Request2.php	(revision 23125)
+++ branches/version-2_13-dev/data/module/HTTP/Request2.php	(revision 23125)
@@ -0,0 +1,1050 @@
+<?php
+/**
+ * Class representing a HTTP request message
+ *
+ * PHP version 5
+ *
+ * LICENSE:
+ *
+ * Copyright (c) 2008-2012, Alexey Borzov <avb@php.net>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *    * Redistributions of source code must retain the above copyright
+ *      notice, this list of conditions and the following disclaimer.
+ *    * Redistributions in binary form must reproduce the above copyright
+ *      notice, this list of conditions and the following disclaimer in the
+ *      documentation and/or other materials provided with the distribution.
+ *    * The names of the authors may not be used to endorse or promote products
+ *      derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @category HTTP
+ * @package  HTTP_Request2
+ * @author   Alexey Borzov <avb@php.net>
+ * @license  http://opensource.org/licenses/bsd-license.php New BSD License
+ * @version  SVN: $Id: Request2.php 324936 2012-04-07 07:49:03Z avb $
+ * @link     http://pear.php.net/package/HTTP_Request2
+ */
+
+/**
+ * A class representing an URL as per RFC 3986.
+ */
+require_once 'Net/URL2.php';
+
+/**
+ * Exception class for HTTP_Request2 package
+ */
+require_once 'HTTP/Request2/Exception.php';
+
+/**
+ * Class representing a HTTP request message
+ *
+ * @category HTTP
+ * @package  HTTP_Request2
+ * @author   Alexey Borzov <avb@php.net>
+ * @license  http://opensource.org/licenses/bsd-license.php New BSD License
+ * @version  Release: 2.1.1
+ * @link     http://pear.php.net/package/HTTP_Request2
+ * @link     http://tools.ietf.org/html/rfc2616#section-5
+ */
+class HTTP_Request2 implements SplSubject
+{
+    /**#@+
+     * Constants for HTTP request methods
+     *
+     * @link http://tools.ietf.org/html/rfc2616#section-5.1.1
+     */
+    const METHOD_OPTIONS = 'OPTIONS';
+    const METHOD_GET     = 'GET';
+    const METHOD_HEAD    = 'HEAD';
+    const METHOD_POST    = 'POST';
+    const METHOD_PUT     = 'PUT';
+    const METHOD_DELETE  = 'DELETE';
+    const METHOD_TRACE   = 'TRACE';
+    const METHOD_CONNECT = 'CONNECT';
+    /**#@-*/
+
+    /**#@+
+     * Constants for HTTP authentication schemes
+     *
+     * @link http://tools.ietf.org/html/rfc2617
+     */
+    const AUTH_BASIC  = 'basic';
+    const AUTH_DIGEST = 'digest';
+    /**#@-*/
+
+    /**
+     * Regular expression used to check for invalid symbols in RFC 2616 tokens
+     * @link http://pear.php.net/bugs/bug.php?id=15630
+     */
+    const REGEXP_INVALID_TOKEN = '![\x00-\x1f\x7f-\xff()<>@,;:\\\\"/\[\]?={}\s]!';
+
+    /**
+     * Regular expression used to check for invalid symbols in cookie strings
+     * @link http://pear.php.net/bugs/bug.php?id=15630
+     * @link http://web.archive.org/web/20080331104521/http://cgi.netscape.com/newsref/std/cookie_spec.html
+     */
+    const REGEXP_INVALID_COOKIE = '/[\s,;]/';
+
+    /**
+     * Fileinfo magic database resource
+     * @var  resource
+     * @see  detectMimeType()
+     */
+    private static $_fileinfoDb;
+
+    /**
+     * Observers attached to the request (instances of SplObserver)
+     * @var  array
+     */
+    protected $observers = array();
+
+    /**
+     * Request URL
+     * @var  Net_URL2
+     */
+    protected $url;
+
+    /**
+     * Request method
+     * @var  string
+     */
+    protected $method = self::METHOD_GET;
+
+    /**
+     * Authentication data
+     * @var  array
+     * @see  getAuth()
+     */
+    protected $auth;
+
+    /**
+     * Request headers
+     * @var  array
+     */
+    protected $headers = array();
+
+    /**
+     * Configuration parameters
+     * @var  array
+     * @see  setConfig()
+     */
+    protected $config = array(
+        'adapter'           => 'HTTP_Request2_Adapter_Socket',
+        'connect_timeout'   => 10,
+        'timeout'           => 0,
+        'use_brackets'      => true,
+        'protocol_version'  => '1.1',
+        'buffer_size'       => 16384,
+        'store_body'        => true,
+
+        'proxy_host'        => '',
+        'proxy_port'        => '',
+        'proxy_user'        => '',
+        'proxy_password'    => '',
+        'proxy_auth_scheme' => self::AUTH_BASIC,
+        'proxy_type'        => 'http',
+
+        'ssl_verify_peer'   => true,
+        'ssl_verify_host'   => true,
+        'ssl_cafile'        => null,
+        'ssl_capath'        => null,
+        'ssl_local_cert'    => null,
+        'ssl_passphrase'    => null,
+
+        'digest_compat_ie'  => false,
+
+        'follow_redirects'  => false,
+        'max_redirects'     => 5,
+        'strict_redirects'  => false
+    );
+
+    /**
+     * Last event in request / response handling, intended for observers
+     * @var  array
+     * @see  getLastEvent()
+     */
+    protected $lastEvent = array(
+        'name' => 'start',
+        'data' => null
+    );
+
+    /**
+     * Request body
+     * @var  string|resource
+     * @see  setBody()
+     */
+    protected $body = '';
+
+    /**
+     * Array of POST parameters
+     * @var  array
+     */
+    protected $postParams = array();
+
+    /**
+     * Array of file uploads (for multipart/form-data POST requests)
+     * @var  array
+     */
+    protected $uploads = array();
+
+    /**
+     * Adapter used to perform actual HTTP request
+     * @var  HTTP_Request2_Adapter
+     */
+    protected $adapter;
+
+    /**
+     * Cookie jar to persist cookies between requests
+     * @var HTTP_Request2_CookieJar
+     */
+    protected $cookieJar = null;
+
+    /**
+     * Constructor. Can set request URL, method and configuration array.
+     *
+     * Also sets a default value for User-Agent header.
+     *
+     * @param string|Net_Url2 $url    Request URL
+     * @param string          $method Request method
+     * @param array           $config Configuration for this Request instance
+     */
+    public function __construct(
+        $url = null, $method = self::METHOD_GET, array $config = array()
+    ) {
+        $this->setConfig($config);
+        if (!empty($url)) {
+            $this->setUrl($url);
+        }
+        if (!empty($method)) {
+            $this->setMethod($method);
+        }
+        $this->setHeader(
+            'user-agent', 'HTTP_Request2/2.1.1 ' .
+            '(http://pear.php.net/package/http_request2) PHP/' . phpversion()
+        );
+    }
+
+    /**
+     * Sets the URL for this request
+     *
+     * If the URL has userinfo part (username & password) these will be removed
+     * and converted to auth data. If the URL does not have a path component,
+     * that will be set to '/'.
+     *
+     * @param string|Net_URL2 $url Request URL
+     *
+     * @return   HTTP_Request2
+     * @throws   HTTP_Request2_LogicException
+     */
+    public function setUrl($url)
+    {
+        if (is_string($url)) {
+            $url = new Net_URL2(
+                $url, array(Net_URL2::OPTION_USE_BRACKETS => $this->config['use_brackets'])
+            );
+        }
+        if (!$url instanceof Net_URL2) {
+            throw new HTTP_Request2_LogicException(
+                'Parameter is not a valid HTTP URL',
+                HTTP_Request2_Exception::INVALID_ARGUMENT
+            );
+        }
+        // URL contains username / password?
+        if ($url->getUserinfo()) {
+            $username = $url->getUser();
+            $password = $url->getPassword();
+            $this->setAuth(rawurldecode($username), $password? rawurldecode($password): '');
+            $url->setUserinfo('');
+        }
+        if ('' == $url->getPath()) {
+            $url->setPath('/');
+        }
+        $this->url = $url;
+
+        return $this;
+    }
+
+    /**
+     * Returns the request URL
+     *
+     * @return   Net_URL2
+     */
+    public function getUrl()
+    {
+        return $this->url;
+    }
+
+    /**
+     * Sets the request method
+     *
+     * @param string $method one of the methods defined in RFC 2616
+     *
+     * @return   HTTP_Request2
+     * @throws   HTTP_Request2_LogicException if the method name is invalid
+     */
+    public function setMethod($method)
+    {
+        // Method name should be a token: http://tools.ietf.org/html/rfc2616#section-5.1.1
+        if (preg_match(self::REGEXP_INVALID_TOKEN, $method)) {
+            throw new HTTP_Request2_LogicException(
+                "Invalid request method '{$method}'",
+                HTTP_Request2_Exception::INVALID_ARGUMENT
+            );
+        }
+        $this->method = $method;
+
+        return $this;
+    }
+
+    /**
+     * Returns the request method
+     *
+     * @return   string
+     */
+    public function getMethod()
+    {
+        return $this->method;
+    }
+
+    /**
+     * Sets the configuration parameter(s)
+     *
+     * The following parameters are available:
+     * <ul>
+     *   <li> 'adapter'           - adapter to use (string)</li>
+     *   <li> 'connect_timeout'   - Connection timeout in seconds (integer)</li>
+     *   <li> 'timeout'           - Total number of seconds a request can take.
+     *                              Use 0 for no limit, should be greater than
+     *                              'connect_timeout' if set (integer)</li>
+     *   <li> 'use_brackets'      - Whether to append [] to array variable names (bool)</li>
+     *   <li> 'protocol_version'  - HTTP Version to use, '1.0' or '1.1' (string)</li>
+     *   <li> 'buffer_size'       - Buffer size to use for reading and writing (int)</li>
+     *   <li> 'store_body'        - Whether to store response body in response object.
+     *                              Set to false if receiving a huge response and
+     *                              using an Observer to save it (boolean)</li>
+     *   <li> 'proxy_type'        - Proxy type, 'http' or 'socks5' (string)</li>
+     *   <li> 'proxy_host'        - Proxy server host (string)</li>
+     *   <li> 'proxy_port'        - Proxy server port (integer)</li>
+     *   <li> 'proxy_user'        - Proxy auth username (string)</li>
+     *   <li> 'proxy_password'    - Proxy auth password (string)</li>
+     *   <li> 'proxy_auth_scheme' - Proxy auth scheme, one of HTTP_Request2::AUTH_* constants (string)</li>
+     *   <li> 'proxy'             - Shorthand for proxy_* parameters, proxy given as URL,
+     *                              e.g. 'socks5://localhost:1080/' (string)</li>
+     *   <li> 'ssl_verify_peer'   - Whether to verify peer's SSL certificate (bool)</li>
+     *   <li> 'ssl_verify_host'   - Whether to check that Common Name in SSL
+     *                              certificate matches host name (bool)</li>
+     *   <li> 'ssl_cafile'        - Cerificate Authority file to verify the peer
+     *                              with (use with 'ssl_verify_peer') (string)</li>
+     *   <li> 'ssl_capath'        - Directory holding multiple Certificate
+     *                              Authority files (string)</li>
+     *   <li> 'ssl_local_cert'    - Name of a file containing local cerificate (string)</li>
+     *   <li> 'ssl_passphrase'    - Passphrase with which local certificate
+     *                              was encoded (string)</li>
+     *   <li> 'digest_compat_ie'  - Whether to imitate behaviour of MSIE 5 and 6
+     *                              in using URL without query string in digest
+     *                              authentication (boolean)</li>
+     *   <li> 'follow_redirects'  - Whether to automatically follow HTTP Redirects (boolean)</li>
+     *   <li> 'max_redirects'     - Maximum number of redirects to follow (integer)</li>
+     *   <li> 'strict_redirects'  - Whether to keep request method on redirects via status 301 and
+     *                              302 (true, needed for compatibility with RFC 2616)
+     *                              or switch to GET (false, needed for compatibility with most
+     *                              browsers) (boolean)</li>
+     * </ul>
+     *
+     * @param string|array $nameOrConfig configuration parameter name or array
+     *                                   ('parameter name' => 'parameter value')
+     * @param mixed        $value        parameter value if $nameOrConfig is not an array
+     *
+     * @return   HTTP_Request2
+     * @throws   HTTP_Request2_LogicException If the parameter is unknown
+     */
+    public function setConfig($nameOrConfig, $value = null)
+    {
+        if (is_array($nameOrConfig)) {
+            foreach ($nameOrConfig as $name => $value) {
+                $this->setConfig($name, $value);
+            }
+
+        } elseif ('proxy' == $nameOrConfig) {
+            $url = new Net_URL2($value);
+            $this->setConfig(array(
+                'proxy_type'     => $url->getScheme(),
+                'proxy_host'     => $url->getHost(),
+                'proxy_port'     => $url->getPort(),
+                'proxy_user'     => rawurldecode($url->getUser()),
+                'proxy_password' => rawurldecode($url->getPassword())
+            ));
+
+        } else {
+            if (!array_key_exists($nameOrConfig, $this->config)) {
+                throw new HTTP_Request2_LogicException(
+                    "Unknown configuration parameter '{$nameOrConfig}'",
+                    HTTP_Request2_Exception::INVALID_ARGUMENT
+                );
+            }
+            $this->config[$nameOrConfig] = $value;
+        }
+
+        return $this;
+    }
+
+    /**
+     * Returns the value(s) of the configuration parameter(s)
+     *
+     * @param string $name parameter name
+     *
+     * @return   mixed   value of $name parameter, array of all configuration
+     *                   parameters if $name is not given
+     * @throws   HTTP_Request2_LogicException If the parameter is unknown
+     */
+    public function getConfig($name = null)
+    {
+        if (null === $name) {
+            return $this->config;
+        } elseif (!array_key_exists($name, $this->config)) {
+            throw new HTTP_Request2_LogicException(
+                "Unknown configuration parameter '{$name}'",
+                HTTP_Request2_Exception::INVALID_ARGUMENT
+            );
+        }
+        return $this->config[$name];
+    }
+
+    /**
+     * Sets the autentification data
+     *
+     * @param string $user     user name
+     * @param string $password password
+     * @param string $scheme   authentication scheme
+     *
+     * @return   HTTP_Request2
+     */
+    public function setAuth($user, $password = '', $scheme = self::AUTH_BASIC)
+    {
+        if (empty($user)) {
+            $this->auth = null;
+        } else {
+            $this->auth = array(
+                'user'     => (string)$user,
+                'password' => (string)$password,
+                'scheme'   => $scheme
+            );
+        }
+
+        return $this;
+    }
+
+    /**
+     * Returns the authentication data
+     *
+     * The array has the keys 'user', 'password' and 'scheme', where 'scheme'
+     * is one of the HTTP_Request2::AUTH_* constants.
+     *
+     * @return   array
+     */
+    public function getAuth()
+    {
+        return $this->auth;
+    }
+
+    /**
+     * Sets request header(s)
+     *
+     * The first parameter may be either a full header string 'header: value' or
+     * header name. In the former case $value parameter is ignored, in the latter
+     * the header's value will either be set to $value or the header will be
+     * removed if $value is null. The first parameter can also be an array of
+     * headers, in that case method will be called recursively.
+     *
+     * Note that headers are treated case insensitively as per RFC 2616.
+     *
+     * <code>
+     * $req->setHeader('Foo: Bar'); // sets the value of 'Foo' header to 'Bar'
+     * $req->setHeader('FoO', 'Baz'); // sets the value of 'Foo' header to 'Baz'
+     * $req->setHeader(array('foo' => 'Quux')); // sets the value of 'Foo' header to 'Quux'
+     * $req->setHeader('FOO'); // removes 'Foo' header from request
+     * </code>
+     *
+     * @param string|array      $name    header name, header string ('Header: value')
+     *                                   or an array of headers
+     * @param string|array|null $value   header value if $name is not an array,
+     *                                   header will be removed if value is null
+     * @param bool              $replace whether to replace previous header with the
+     *                                   same name or append to its value
+     *
+     * @return   HTTP_Request2
+     * @throws   HTTP_Request2_LogicException
+     */
+    public function setHeader($name, $value = null, $replace = true)
+    {
+        if (is_array($name)) {
+            foreach ($name as $k => $v) {
+                if (is_string($k)) {
+                    $this->setHeader($k, $v, $replace);
+                } else {
+                    $this->setHeader($v, null, $replace);
+                }
+            }
+        } else {
+            if (null === $value && strpos($name, ':')) {
+                list($name, $value) = array_map('trim', explode(':', $name, 2));
+            }
+            // Header name should be a token: http://tools.ietf.org/html/rfc2616#section-4.2
+            if (preg_match(self::REGEXP_INVALID_TOKEN, $name)) {
+                throw new HTTP_Request2_LogicException(
+                    "Invalid header name '{$name}'",
+                    HTTP_Request2_Exception::INVALID_ARGUMENT
+                );
+            }
+            // Header names are case insensitive anyway
+            $name = strtolower($name);
+            if (null === $value) {
+                unset($this->headers[$name]);
+
+            } else {
+                if (is_array($value)) {
+                    $value = implode(', ', array_map('trim', $value));
+                } elseif (is_string($value)) {
+                    $value = trim($value);
+                }
+                if (!isset($this->headers[$name]) || $replace) {
+                    $this->headers[$name] = $value;
+                } else {
+                    $this->headers[$name] .= ', ' . $value;
+                }
+            }
+        }
+
+        return $this;
+    }
+
+    /**
+     * Returns the request headers
+     *
+     * The array is of the form ('header name' => 'header value'), header names
+     * are lowercased
+     *
+     * @return   array
+     */
+    public function getHeaders()
+    {
+        return $this->headers;
+    }
+
+    /**
+     * Adds a cookie to the request
+     *
+     * If the request does not have a CookieJar object set, this method simply
+     * appends a cookie to "Cookie:" header.
+     *
+     * If a CookieJar object is available, the cookie is stored in that object.
+     * Data from request URL will be used for setting its 'domain' and 'path'
+     * parameters, 'expires' and 'secure' will be set to null and false,
+     * respectively. If you need further control, use CookieJar's methods.
+     *
+     * @param string $name  cookie name
+     * @param string $value cookie value
+     *
+     * @return   HTTP_Request2
+     * @throws   HTTP_Request2_LogicException
+     * @see      setCookieJar()
+     */
+    public function addCookie($name, $value)
+    {
+        if (!empty($this->cookieJar)) {
+            $this->cookieJar->store(
+                array('name' => $name, 'value' => $value), $this->url
+            );
+
+        } else {
+            $cookie = $name . '=' . $value;
+            if (preg_match(self::REGEXP_INVALID_COOKIE, $cookie)) {
+                throw new HTTP_Request2_LogicException(
+                    "Invalid cookie: '{$cookie}'",
+                    HTTP_Request2_Exception::INVALID_ARGUMENT
+                );
+            }
+            $cookies = empty($this->headers['cookie'])? '': $this->headers['cookie'] . '; ';
+            $this->setHeader('cookie', $cookies . $cookie);
+        }
+
+        return $this;
+    }
+
+    /**
+     * Sets the request body
+     *
+     * If you provide file pointer rather than file name, it should support
+     * fstat() and rewind() operations.
+     *
+     * @param string|resource|HTTP_Request2_MultipartBody $body       Either a
+     *               string with the body or filename containing body or
+     *               pointer to an open file or object with multipart body data
+     * @param bool                                        $isFilename Whether
+     *               first parameter is a filename
+     *
+     * @return   HTTP_Request2
+     * @throws   HTTP_Request2_LogicException
+     */
+    public function setBody($body, $isFilename = false)
+    {
+        if (!$isFilename && !is_resource($body)) {
+            if (!$body instanceof HTTP_Request2_MultipartBody) {
+                $this->body = (string)$body;
+            } else {
+                $this->body = $body;
+            }
+        } else {
+            $fileData = $this->fopenWrapper($body, empty($this->headers['content-type']));
+            $this->body = $fileData['fp'];
+            if (empty($this->headers['content-type'])) {
+                $this->setHeader('content-type', $fileData['type']);
+            }
+        }
+        $this->postParams = $this->uploads = array();
+
+        return $this;
+    }
+
+    /**
+     * Returns the request body
+     *
+     * @return   string|resource|HTTP_Request2_MultipartBody
+     */
+    public function getBody()
+    {
+        if (self::METHOD_POST == $this->method
+            && (!empty($this->postParams) || !empty($this->uploads))
+        ) {
+            if (0 === strpos($this->headers['content-type'], 'application/x-www-form-urlencoded')) {
+                $body = http_build_query($this->postParams, '', '&');
+                if (!$this->getConfig('use_brackets')) {
+                    $body = preg_replace('/%5B\d+%5D=/', '=', $body);
+                }
+                // support RFC 3986 by not encoding '~' symbol (request #15368)
+                return str_replace('%7E', '~', $body);
+
+            } elseif (0 === strpos($this->headers['content-type'], 'multipart/form-data')) {
+                require_once 'HTTP/Request2/MultipartBody.php';
+                return new HTTP_Request2_MultipartBody(
+                    $this->postParams, $this->uploads, $this->getConfig('use_brackets')
+                );
+            }
+        }
+        return $this->body;
+    }
+
+    /**
+     * Adds a file to form-based file upload
+     *
+     * Used to emulate file upload via a HTML form. The method also sets
+     * Content-Type of HTTP request to 'multipart/form-data'.
+     *
+     * If you just want to send the contents of a file as the body of HTTP
+     * request you should use setBody() method.
+     *
+     * If you provide file pointers rather than file names, they should support
+     * fstat() and rewind() operations.
+     *
+     * @param string                $fieldName    name of file-upload field
+     * @param string|resource|array $filename     full name of local file,
+     *               pointer to open file or an array of files
+     * @param string                $sendFilename filename to send in the request
+     * @param string                $contentType  content-type of file being uploaded
+     *
+     * @return   HTTP_Request2
+     * @throws   HTTP_Request2_LogicException
+     */
+    public function addUpload(
+        $fieldName, $filename, $sendFilename = null, $contentType = null
+    ) {
+        if (!is_array($filename)) {
+            $fileData = $this->fopenWrapper($filename, empty($contentType));
+            $this->uploads[$fieldName] = array(
+                'fp'        => $fileData['fp'],
+                'filename'  => !empty($sendFilename)? $sendFilename
+                                :(is_string($filename)? basename($filename): 'anonymous.blob') ,
+                'size'      => $fileData['size'],
+                'type'      => empty($contentType)? $fileData['type']: $contentType
+            );
+        } else {
+            $fps = $names = $sizes = $types = array();
+            foreach ($filename as $f) {
+                if (!is_array($f)) {
+                    $f = array($f);
+                }
+                $fileData = $this->fopenWrapper($f[0], empty($f[2]));
+                $fps[]   = $fileData['fp'];
+                $names[] = !empty($f[1])? $f[1]
+                            :(is_string($f[0])? basename($f[0]): 'anonymous.blob');
+                $sizes[] = $fileData['size'];
+                $types[] = empty($f[2])? $fileData['type']: $f[2];
+            }
+            $this->uploads[$fieldName] = array(
+                'fp' => $fps, 'filename' => $names, 'size' => $sizes, 'type' => $types
+            );
+        }
+        if (empty($this->headers['content-type'])
+            || 'application/x-www-form-urlencoded' == $this->headers['content-type']
+        ) {
+            $this->setHeader('content-type', 'multipart/form-data');
+        }
+
+        return $this;
+    }
+
+    /**
+     * Adds POST parameter(s) to the request.
+     *
+     * @param string|array $name  parameter name or array ('name' => 'value')
+     * @param mixed        $value parameter value (can be an array)
+     *
+     * @return   HTTP_Request2
+     */
+    public function addPostParameter($name, $value = null)
+    {
+        if (!is_array($name)) {
+            $this->postParams[$name] = $value;
+        } else {
+            foreach ($name as $k => $v) {
+                $this->addPostParameter($k, $v);
+            }
+        }
+        if (empty($this->headers['content-type'])) {
+            $this->setHeader('content-type', 'application/x-www-form-urlencoded');
+        }
+
+        return $this;
+    }
+
+    /**
+     * Attaches a new observer
+     *
+     * @param SplObserver $observer any object implementing SplObserver
+     */
+    public function attach(SplObserver $observer)
+    {
+        foreach ($this->observers as $attached) {
+            if ($attached === $observer) {
+                return;
+            }
+        }
+        $this->observers[] = $observer;
+    }
+
+    /**
+     * Detaches an existing observer
+     *
+     * @param SplObserver $observer any object implementing SplObserver
+     */
+    public function detach(SplObserver $observer)
+    {
+        foreach ($this->observers as $key => $attached) {
+            if ($attached === $observer) {
+                unset($this->observers[$key]);
+                return;
+            }
+        }
+    }
+
+    /**
+     * Notifies all observers
+     */
+    public function notify()
+    {
+        foreach ($this->observers as $observer) {
+            $observer->update($this);
+        }
+    }
+
+    /**
+     * Sets the last event
+     *
+     * Adapters should use this method to set the current state of the request
+     * and notify the observers.
+     *
+     * @param string $name event name
+     * @param mixed  $data event data
+     */
+    public function setLastEvent($name, $data = null)
+    {
+        $this->lastEvent = array(
+            'name' => $name,
+            'data' => $data
+        );
+        $this->notify();
+    }
+
+    /**
+     * Returns the last event
+     *
+     * Observers should use this method to access the last change in request.
+     * The following event names are possible:
+     * <ul>
+     *   <li>'connect'                 - after connection to remote server,
+     *                                   data is the destination (string)</li>
+     *   <li>'disconnect'              - after disconnection from server</li>
+     *   <li>'sentHeaders'             - after sending the request headers,
+     *                                   data is the headers sent (string)</li>
+     *   <li>'sentBodyPart'            - after sending a part of the request body,
+     *                                   data is the length of that part (int)</li>
+     *   <li>'sentBody'                - after sending the whole request body,
+     *                                   data is request body length (int)</li>
+     *   <li>'receivedHeaders'         - after receiving the response headers,
+     *                                   data is HTTP_Request2_Response object</li>
+     *   <li>'receivedBodyPart'        - after receiving a part of the response
+     *                                   body, data is that part (string)</li>
+     *   <li>'receivedEncodedBodyPart' - as 'receivedBodyPart', but data is still
+     *                                   encoded by Content-Encoding</li>
+     *   <li>'receivedBody'            - after receiving the complete response
+     *                                   body, data is HTTP_Request2_Response object</li>
+     * </ul>
+     * Different adapters may not send all the event types. Mock adapter does
+     * not send any events to the observers.
+     *
+     * @return   array   The array has two keys: 'name' and 'data'
+     */
+    public function getLastEvent()
+    {
+        return $this->lastEvent;
+    }
+
+    /**
+     * Sets the adapter used to actually perform the request
+     *
+     * You can pass either an instance of a class implementing HTTP_Request2_Adapter
+     * or a class name. The method will only try to include a file if the class
+     * name starts with HTTP_Request2_Adapter_, it will also try to prepend this
+     * prefix to the class name if it doesn't contain any underscores, so that
+     * <code>
+     * $request->setAdapter('curl');
+     * </code>
+     * will work.
+     *
+     * @param string|HTTP_Request2_Adapter $adapter Adapter to use
+     *
+     * @return   HTTP_Request2
+     * @throws   HTTP_Request2_LogicException
+     */
+    public function setAdapter($adapter)
+    {
+        if (is_string($adapter)) {
+            if (!class_exists($adapter, false)) {
+                if (false === strpos($adapter, '_')) {
+                    $adapter = 'HTTP_Request2_Adapter_' . ucfirst($adapter);
+                }
+                if (!class_exists($adapter, false)
+                    && preg_match('/^HTTP_Request2_Adapter_([a-zA-Z0-9]+)$/', $adapter)
+                ) {
+                    include_once str_replace('_', DIRECTORY_SEPARATOR, $adapter) . '.php';
+                }
+                if (!class_exists($adapter, false)) {
+                    throw new HTTP_Request2_LogicException(
+                        "Class {$adapter} not found",
+                        HTTP_Request2_Exception::MISSING_VALUE
+                    );
+                }
+            }
+            $adapter = new $adapter;
+        }
+        if (!$adapter instanceof HTTP_Request2_Adapter) {
+            throw new HTTP_Request2_LogicException(
+                'Parameter is not a HTTP request adapter',
+                HTTP_Request2_Exception::INVALID_ARGUMENT
+            );
+        }
+        $this->adapter = $adapter;
+
+        return $this;
+    }
+
+    /**
+     * Sets the cookie jar
+     *
+     * A cookie jar is used to maintain cookies across HTTP requests and
+     * responses. Cookies from jar will be automatically added to the request
+     * headers based on request URL.
+     *
+     * @param HTTP_Request2_CookieJar|bool $jar Existing CookieJar object, true to
+     *                                          create a new one, false to remove
+     *
+     * @return HTTP_Request2
+     * @throws HTTP_Request2_LogicException
+     */
+    public function setCookieJar($jar = true)
+    {
+        if (!class_exists('HTTP_Request2_CookieJar', false)) {
+            require_once 'HTTP/Request2/CookieJar.php';
+        }
+
+        if ($jar instanceof HTTP_Request2_CookieJar) {
+            $this->cookieJar = $jar;
+        } elseif (true === $jar) {
+            $this->cookieJar = new HTTP_Request2_CookieJar();
+        } elseif (!$jar) {
+            $this->cookieJar = null;
+        } else {
+            throw new HTTP_Request2_LogicException(
+                'Invalid parameter passed to setCookieJar()',
+                HTTP_Request2_Exception::INVALID_ARGUMENT
+            );
+        }
+
+        return $this;
+    }
+
+    /**
+     * Returns current CookieJar object or null if none
+     *
+     * @return HTTP_Request2_CookieJar|null
+     */
+    public function getCookieJar()
+    {
+        return $this->cookieJar;
+    }
+
+    /**
+     * Sends the request and returns the response
+     *
+     * @throws   HTTP_Request2_Exception
+     * @return   HTTP_Request2_Response
+     */
+    public function send()
+    {
+        // Sanity check for URL
+        if (!$this->url instanceof Net_URL2
+            || !$this->url->isAbsolute()
+            || !in_array(strtolower($this->url->getScheme()), array('https', 'http'))
+        ) {
+            throw new HTTP_Request2_LogicException(
+                'HTTP_Request2 needs an absolute HTTP(S) request URL, '
+                . ($this->url instanceof Net_URL2
+                   ? "'" . $this->url->__toString() . "'" : 'none')
+                . ' given',
+                HTTP_Request2_Exception::INVALID_ARGUMENT
+            );
+        }
+        if (empty($this->adapter)) {
+            $this->setAdapter($this->getConfig('adapter'));
+        }
+        // magic_quotes_runtime may break file uploads and chunked response
+        // processing; see bug #4543. Don't use ini_get() here; see bug #16440.
+        if ($magicQuotes = get_magic_quotes_runtime()) {
+            set_magic_quotes_runtime(false);
+        }
+        // force using single byte encoding if mbstring extension overloads
+        // strlen() and substr(); see bug #1781, bug #10605
+        if (extension_loaded('mbstring') && (2 & ini_get('mbstring.func_overload'))) {
+            $oldEncoding = mb_internal_encoding();
+            mb_internal_encoding('8bit');
+        }
+
+        try {
+            $response = $this->adapter->sendRequest($this);
+        } catch (Exception $e) {
+        }
+        // cleanup in either case (poor man's "finally" clause)
+        if ($magicQuotes) {
+            set_magic_quotes_runtime(true);
+        }
+        if (!empty($oldEncoding)) {
+            mb_internal_encoding($oldEncoding);
+        }
+        // rethrow the exception
+        if (!empty($e)) {
+            throw $e;
+        }
+        return $response;
+    }
+
+    /**
+     * Wrapper around fopen()/fstat() used by setBody() and addUpload()
+     *
+     * @param string|resource $file       file name or pointer to open file
+     * @param bool            $detectType whether to try autodetecting MIME
+     *                        type of file, will only work if $file is a
+     *                        filename, not pointer
+     *
+     * @return array array('fp' => file pointer, 'size' => file size, 'type' => MIME type)
+     * @throws HTTP_Request2_LogicException
+     */
+    protected function fopenWrapper($file, $detectType = false)
+    {
+        if (!is_string($file) && !is_resource($file)) {
+            throw new HTTP_Request2_LogicException(
+                "Filename or file pointer resource expected",
+                HTTP_Request2_Exception::INVALID_ARGUMENT
+            );
+        }
+        $fileData = array(
+            'fp'   => is_string($file)? null: $file,
+            'type' => 'application/octet-stream',
+            'size' => 0
+        );
+        if (is_string($file)) {
+            if (!($fileData['fp'] = @fopen($file, 'rb'))) {
+                $error = error_get_last();
+                throw new HTTP_Request2_LogicException(
+                    $error['message'], HTTP_Request2_Exception::READ_ERROR
+                );
+            }
+            if ($detectType) {
+                $fileData['type'] = self::detectMimeType($file);
+            }
+        }
+        if (!($stat = fstat($fileData['fp']))) {
+            throw new HTTP_Request2_LogicException(
+                "fstat() call failed", HTTP_Request2_Exception::READ_ERROR
+            );
+        }
+        $fileData['size'] = $stat['size'];
+
+        return $fileData;
+    }
+
+    /**
+     * Tries to detect MIME type of a file
+     *
+     * The method will try to use fileinfo extension if it is available,
+     * deprecated mime_content_type() function in the other case. If neither
+     * works, default 'application/octet-stream' MIME type is returned
+     *
+     * @param string $filename file name
+     *
+     * @return   string  file MIME type
+     */
+    protected static function detectMimeType($filename)
+    {
+        // finfo extension from PECL available
+        if (function_exists('finfo_open')) {
+            if (!isset(self::$_fileinfoDb)) {
+                self::$_fileinfoDb = @finfo_open(FILEINFO_MIME);
+            }
+            if (self::$_fileinfoDb) {
+                $info = finfo_file(self::$_fileinfoDb, $filename);
+            }
+        }
+        // (deprecated) mime_content_type function available
+        if (empty($info) && function_exists('mime_content_type')) {
+            return mime_content_type($filename);
+        }
+        return empty($info)? 'application/octet-stream': $info;
+    }
+}
+?>
