From 2be4fe28587669ba3d0efb129fd8fef77b695cf3 Mon Sep 17 00:00:00 2001
From: Pat Thoyts <patthoyts@users.sourceforge.net>
Date: Thu, 23 Feb 2012 15:47:04 +0000
Subject: [PATCH] Generate consistent gravatar hash values as per
 documentation.

The gravatar documentation on implementing the hash specifies that leading
and trailing whitespace must be trimmed and all characters should be forced
to lowercase.

Signed-off-by: Pat Thoyts <patthoyts@users.sourceforge.net>
---
 app/helpers/application_helper.rb | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index aec3dd51..12fe333a 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -3,7 +3,8 @@ module ApplicationHelper
 
   def gravatar_icon(user_email, size = 40)
     gravatar_host = request.ssl? ? "https://secure.gravatar.com" :  "http://www.gravatar.com"
-    "#{gravatar_host}/avatar/#{Digest::MD5.hexdigest(user_email)}?s=#{size}&d=identicon"
+    user_email.strip!
+    "#{gravatar_host}/avatar/#{Digest::MD5.hexdigest(user_email.downcase)}?s=#{size}&d=identicon"
   end
 
   def fixed_mode?