2 files changed, 18 insertions, 2 deletions
diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index 5a9496bd4..9be3419b0 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -91,8 +91,6 @@ module ApplicationHelper
       fa_icon('unlock', title: I18n.t('statuses.visibilities.unlisted'))
     elsif status.private_visibility? || status.limited_visibility?
       fa_icon('lock', title: I18n.t('statuses.visibilities.private'))
-    elsif status.direct_visibility?
-      fa_icon('envelope', title: I18n.t('statuses.visibilities.direct'))
     end
   end
 
diff --git a/app/helpers/email_helper.rb b/app/helpers/email_helper.rb
new file mode 100644
index 000000000..360783c62
--- /dev/null
+++ b/app/helpers/email_helper.rb
@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+module EmailHelper
+  def self.included(base)
+    base.extend(self)
+  end
+
+  def email_to_canonical_email(str)
+    username, domain = str.downcase.split('@', 2)
+    username, = username.gsub('.', '').split('+', 2)
+
+    "#{username}@#{domain}"
+  end
+
+  def email_to_canonical_email_hash(str)
+    Digest::SHA2.new(256).hexdigest(email_to_canonical_email(str))
+  end
+end