From 0410462c4b0a1f99a60a6132f6b08388767381fb Mon Sep 17 00:00:00 2001
From: Evan Prodromou <evan@status.net>
Date: Wed, 1 Dec 2010 13:43:34 -0500
Subject: add OpenID data to the Webfinger XRD file so you can login with it
 elsewhere

---
 plugins/OpenID/OpenIDPlugin.php | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/plugins/OpenID/OpenIDPlugin.php b/plugins/OpenID/OpenIDPlugin.php
index cdaabbbf7..d5a8c1bf0 100644
--- a/plugins/OpenID/OpenIDPlugin.php
+++ b/plugins/OpenID/OpenIDPlugin.php
@@ -735,4 +735,29 @@ class OpenIDPlugin extends Plugin
 
         return true;
     }
+
+    /**
+     * Add link in user's XRD file to allow OpenID login.
+     * 
+     * This link in the XRD should let users log in with their
+     * Webfinger identity to services that support it. See
+     * http://webfinger.org/login for an example.
+     *
+     * @param XRD  &$xrd Currently-displaying XRD object
+     * @param User $user The user that it's for
+     * 
+     * @return boolean hook value (always true)
+     */
+
+    function onEndXrdActionLinks(&$xrd, $user)
+    {
+        $profile = $user->getProfile();
+	
+        if (!empty($profile)) {
+            $xrd->links[] = array('rel' => 'http://specs.openid.net/auth/2.0/provider',
+                                  'href' => $profile->profileurl);
+        }
+	
+        return true;
+    }
 }
-- 
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