Added ability to add public key to account.

app/controllers/users_controller.rb

@@ -352,7 +352,7 @@ class UsersController < ApplicationController
   end
 
   def user_params(add = [])
-    a = [:ign, :email, :password, :password_confirmation, :mail_own_thread_reply, :mail_other_thread_reply, :mail_own_blogpost_comment, :mail_other_blogpost_comment, :mail_mention] + add
+    a = [:ign, :email, :password, :password_confirmation, :mail_own_thread_reply, :mail_other_thread_reply, :mail_own_blogpost_comment, :mail_other_blogpost_comment, :mail_mention, :public_key] + add
     params.require(:user).permit(a)
   end
 end

app/views/users/edit_notifications.html.erb

@@ -45,6 +45,9 @@
       </tr>
     </tbody>
   </table>
+  <h3>Public Key</h1>
+  <p>All notification emails, including password resets, will be encrypted with this key if you supply it. <b>Do not lose your private key, otherwise you won't be able to easily recover your account.</b></p>
+  <%= f.text_area :public_key, placeholder: "-----BEGIN PGP PUBLIC KEY BLOCK-----" %>
   <p><%= f.submit "Save changes", class: "btn blue left" %></p>
   <div class="clear"></div>
-<% end %>
+<% end %>

db/migrate/20171013001146_add_public_key_to_users.rb

@@ -0,0 +1,5 @@
+class AddPublicKeyToUsers < ActiveRecord::Migration
+  def change
+    add_column :users, :public_key, :text
+  end
+end