From b38b9327a8f11b642e5f51f7ee537043e25ccff9 Mon Sep 17 00:00:00 2001
From: Joey Hess <joey@kitenet.net>
Date: Wed, 23 Jun 2010 19:36:23 -0400
Subject: take username from email address as fallback

---
 IkiWiki/Plugin/openid.pm | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/IkiWiki/Plugin/openid.pm b/IkiWiki/Plugin/openid.pm
index f4ba8db18..f19a559a9 100644
--- a/IkiWiki/Plugin/openid.pm
+++ b/IkiWiki/Plugin/openid.pm
@@ -187,12 +187,17 @@ sub auth ($$) {
 					$vident->signed_extension_fields('http://openid.net/srv/ax/1.0'),
 				);
 			}
+			my $username;
 			foreach my $ext (@extensions) {
 				foreach my $field (qw{value.email email}) {
 					if (exists $ext->{$field} &&
 					    defined $ext->{$field} &&
 					    length $ext->{$field}) {
 						$session->param(email => $ext->{$field});
+						if (! defined $username &&
+						    $ext->{$field}=~/(.+)@.+/) {
+							$username = $1;
+						}
 						last;
 					}
 				}
@@ -200,11 +205,15 @@ sub auth ($$) {
 					if (exists $ext->{$field} &&
 					    defined $ext->{$field} &&
 					    length $ext->{$field}) {
-						$session->param(username => $ext->{$field});
+						$username=$ext->{$field};
 						last;
 					}
 				}
 			}
+			if (defined $username) {
+				$username=~s/\s+/_/g;
+				$session->param(username => $username);
+			}
 		}
 		else {
 			error("OpenID failure: ".$csr->err);
-- 
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