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diff --git a/models/Auth.old/Yadis/HTTPFetcher.php b/models/Auth.old/Yadis/HTTPFetcher.php
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+++ b/models/Auth.old/Yadis/HTTPFetcher.php
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+<?php
+
+/**
+ * This module contains the HTTP fetcher interface
+ *
+ * PHP versions 4 and 5
+ *
+ * LICENSE: See the COPYING file included in this distribution.
+ *
+ * @package OpenID
+ * @author JanRain, Inc. <openid@janrain.com>
+ * @copyright 2005 Janrain, Inc.
+ * @license http://www.gnu.org/copyleft/lesser.html LGPL
+ */
+
+class Auth_Yadis_HTTPResponse {
+    function Auth_Yadis_HTTPResponse($final_url = null, $status = null,
+                                         $headers = null, $body = null)
+    {
+        $this->final_url = $final_url;
+        $this->status = $status;
+        $this->headers = $headers;
+        $this->body = $body;
+    }
+}
+
+/**
+ * This class is the interface for HTTP fetchers the Yadis library
+ * uses.  This interface is only important if you need to write a new
+ * fetcher for some reason.
+ *
+ * @access private
+ * @package OpenID
+ */
+class Auth_Yadis_HTTPFetcher {
+
+    var $timeout = 20; // timeout in seconds.
+
+    /**
+     * Return whether a URL should be allowed. Override this method to
+     * conform to your local policy.
+     *
+     * By default, will attempt to fetch any http or https URL.
+     */
+    function allowedURL($url)
+    {
+        return $this->URLHasAllowedScheme($url);
+    }
+
+    /**
+     * Does this fetcher implementation (and runtime) support fetching
+     * HTTPS URLs?  May inspect the runtime environment.
+     *
+     * @return bool $support True if this fetcher supports HTTPS
+     * fetching; false if not.
+     */
+    function supportsSSL()
+    {
+        trigger_error("not implemented", E_USER_ERROR);
+    }
+
+    /**
+     * Is this an https URL?
+     *
+     * @access private
+     */
+    function isHTTPS($url)
+    {
+        return (bool)preg_match('/^https:\/\//i', $url);
+    }
+
+    /**
+     * Is this an http or https URL?
+     *
+     * @access private
+     */
+    function URLHasAllowedScheme($url)
+    {
+        return (bool)preg_match('/^https?:\/\//i', $url);
+    }
+
+    /**
+     * @access private
+     */
+    function _findRedirect($headers)
+    {
+        foreach ($headers as $line) {
+            if (strpos(strtolower($line), "location: ") === 0) {
+                $parts = explode(" ", $line, 2);
+                return $parts[1];
+            }
+        }
+        return null;
+    }
+
+    /**
+     * Fetches the specified URL using optional extra headers and
+     * returns the server's response.
+     *
+     * @param string $url The URL to be fetched.
+     * @param array $extra_headers An array of header strings
+     * (e.g. "Accept: text/html").
+     * @return mixed $result An array of ($code, $url, $headers,
+     * $body) if the URL could be fetched; null if the URL does not
+     * pass the URLHasAllowedScheme check or if the server's response
+     * is malformed.
+     */
+    function get($url, $headers)
+    {
+        trigger_error("not implemented", E_USER_ERROR);
+    }
+}
+
+?>
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