diff -r 000000000000 -r 4eba9c11703f web/Zend/Feed/Pubsubhubbub/HttpResponse.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/Zend/Feed/Pubsubhubbub/HttpResponse.php	Mon Dec 13 18:29:26 2010 +0100
@@ -0,0 +1,234 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category   Zend
+ * @package    Zend_Feed_Pubsubhubbub
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id: HttpResponse.php 20785 2010-01-31 09:43:03Z mikaelkael $
+ */
+
+/**
+ * @see Zend_Feed_Pubsubhubbub
+ */
+require_once 'Zend/Feed/Pubsubhubbub.php';
+
+/**
+ * @category   Zend
+ * @package    Zend_Feed_Pubsubhubbub
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Feed_Pubsubhubbub_HttpResponse
+{
+    /**
+     * The body of any response to the current callback request
+     *
+     * @var string
+     */
+    protected $_body = '';
+
+    /**
+     * Array of headers. Each header is an array with keys 'name' and 'value'
+     *
+     * @var array
+     */
+    protected $_headers = array();
+
+    /**
+     * HTTP response code to use in headers
+     *
+     * @var int
+     */
+    protected $_httpResponseCode = 200;
+
+    /**
+     * Send the response, including all headers
+     *
+     * @return void
+     */
+    public function sendResponse()
+    {
+        $this->sendHeaders();
+        echo $this->getBody();
+    }
+
+    /**
+     * Send all headers
+     *
+     * Sends any headers specified. If an {@link setHttpResponseCode() HTTP response code}
+     * has been specified, it is sent with the first header.
+     *
+     * @return void
+     */
+    public function sendHeaders()
+    {
+        if (count($this->_headers) || (200 != $this->_httpResponseCode)) {
+            $this->canSendHeaders(true);
+        } elseif (200 == $this->_httpResponseCode) {
+            return;
+        }
+        $httpCodeSent = false;
+        foreach ($this->_headers as $header) {
+            if (!$httpCodeSent && $this->_httpResponseCode) {
+                header($header['name'] . ': ' . $header['value'], $header['replace'], $this->_httpResponseCode);
+                $httpCodeSent = true;
+            } else {
+                header($header['name'] . ': ' . $header['value'], $header['replace']);
+            }
+        }
+        if (!$httpCodeSent) {
+            header('HTTP/1.1 ' . $this->_httpResponseCode);
+            $httpCodeSent = true;
+        }
+    }
+
+    /**
+     * Set a header
+     *
+     * If $replace is true, replaces any headers already defined with that
+     * $name.
+     *
+     * @param  string $name
+     * @param  string $value
+     * @param  boolean $replace
+     * @return Zend_Feed_Pubsubhubbub_HttpResponse
+     */
+    public function setHeader($name, $value, $replace = false)
+    {
+        $name  = $this->_normalizeHeader($name);
+        $value = (string) $value;
+        if ($replace) {
+            foreach ($this->_headers as $key => $header) {
+                if ($name == $header['name']) {
+                    unset($this->_headers[$key]);
+                }
+            }
+        }
+        $this->_headers[] = array(
+            'name'    => $name,
+            'value'   => $value,
+            'replace' => $replace,
+        );
+
+        return $this;
+    }
+
+    /**
+     * Check if a specific Header is set and return its value
+     *
+     * @param  string $name
+     * @return string|null
+     */
+    public function getHeader($name)
+    {
+        $name = $this->_normalizeHeader($name);
+        foreach ($this->_headers as $header) {
+            if ($header['name'] == $name) {
+                return $header['value'];
+            }
+        }
+    }
+
+    /**
+     * Return array of headers; see {@link $_headers} for format
+     *
+     * @return array
+     */
+    public function getHeaders()
+    {
+        return $this->_headers;
+    }
+
+    /**
+     * Can we send headers?
+     *
+     * @param  boolean $throw Whether or not to throw an exception if headers have been sent; defaults to false
+     * @return boolean
+     * @throws Zend_Feed_Pubsubhubbub_Exception
+     */
+    public function canSendHeaders($throw = false)
+    {
+        $ok = headers_sent($file, $line);
+        if ($ok && $throw) {
+            require_once 'Zend/Feed/Pubsubhubbub/Exception.php';
+            throw new Zend_Feed_Pubsubhubbub_Exception('Cannot send headers; headers already sent in ' . $file . ', line ' . $line);
+        }
+        return !$ok;
+    }
+
+    /**
+     * Set HTTP response code to use with headers
+     *
+     * @param  int $code
+     * @return Zend_Feed_Pubsubhubbub_HttpResponse
+     */
+    public function setHttpResponseCode($code)
+    {
+        if (!is_int($code) || (100 > $code) || (599 < $code)) {
+            require_once 'Zend/Feed/Pubsubhubbub/Exception.php';
+            throw new Zend_Feed_Pubsubhubbub_Exception('Invalid HTTP response'
+            . ' code:' . $code);
+        }
+        $this->_httpResponseCode = $code;
+        return $this;
+    }
+
+    /**
+     * Retrieve HTTP response code
+     *
+     * @return int
+     */
+    public function getHttpResponseCode()
+    {
+        return $this->_httpResponseCode;
+    }
+
+    /**
+     * Set body content
+     *
+     * @param  string $content
+     * @return Zend_Feed_Pubsubhubbub_HttpResponse
+     */
+    public function setBody($content)
+    {
+        $this->_body = (string) $content;
+        $this->setHeader('content-length', strlen($content));
+        return $this;
+    }
+
+    /**
+     * Return the body content
+     *
+     * @return string
+     */
+    public function getBody()
+    {
+        return $this->_body;
+    }
+
+    /**
+     * Normalizes a header name to X-Capitalized-Names
+     *
+     * @param  string $name
+     * @return string
+     */
+    protected function _normalizeHeader($name)
+    {
+        $filtered = str_replace(array('-', '_'), ' ', (string) $name);
+        $filtered = ucwords(strtolower($filtered));
+        $filtered = str_replace(' ', '-', $filtered);
+        return $filtered;
+    }
+}