Hash passwords as soon as a new user is created

.rubocop_todo.yml

@@ -61,7 +61,7 @@ Metrics/BlockNesting:
 # Offense count: 26
 # Configuration parameters: CountComments, CountAsOne.
 Metrics/ClassLength:
-  Max: 285
+  Max: 286
 
 # Offense count: 59
 # Configuration parameters: AllowedMethods, AllowedPatterns.

app/controllers/users_controller.rb

@@ -104,11 +104,11 @@ class UsersController < ApplicationController
         render :action => "new"
       elsif current_user.auth_provider.present?
         # Verify external authenticator before moving on
-        session[:new_user] = current_user.attributes.slice("email", "display_name", "pass_crypt", "pass_crypt_confirmation")
+        session[:new_user] = current_user.attributes.slice("email", "display_name", "pass_crypt")
         redirect_to auth_url(current_user.auth_provider, current_user.auth_uid), :status => :temporary_redirect
       else
         # Save the user record
-        session[:new_user] = current_user.attributes.slice("email", "display_name", "pass_crypt", "pass_crypt_confirmation")
+        session[:new_user] = current_user.attributes.slice("email", "display_name", "pass_crypt")
         redirect_to :action => :terms
       end
     end

app/models/user.rb

@@ -115,6 +115,7 @@ class User < ApplicationRecord
 
   alias_attribute :created_at, :creation_time
 
+  after_initialize :encrypt_password
   before_save :encrypt_password
   before_save :update_tile
   after_save :spam_check