From 6da59fab58b3f517a9e48204faa4f29ceabc4ba9 Mon Sep 17 00:00:00 2001
From: James Walker <walkah@walkah.net>
Date: Tue, 18 May 2010 10:09:16 -0400
Subject: invalid mbox_sha1sum in the case where users don't have an email
 address (reported by pedantic-web.org)

---
 actions/foaf.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/actions/foaf.php b/actions/foaf.php
index 9cb65a885..2f054de0c 100644
--- a/actions/foaf.php
+++ b/actions/foaf.php
@@ -95,7 +95,9 @@ class FoafAction extends Action
         // Would be nice to tell if they were a Person or not (e.g. a #person usertag?)
         $this->elementStart('Agent', array('rdf:about' =>
                                              $this->user->uri));
-        $this->element('mbox_sha1sum', null, sha1('mailto:' . $this->user->email));
+        if ($this->user->email) {
+            $this->element('mbox_sha1sum', null, sha1('mailto:' . $this->user->email));
+        }
         if ($this->profile->fullname) {
             $this->element('name', null, $this->profile->fullname);
         }
-- 
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