refactor 2fa

app/controllers/submit_form_controller.rb

@@ -9,7 +9,7 @@ class SubmitFormController < ApplicationController
 
   before_action :load_submitter, only: %i[show update completed]
   before_action :maybe_render_locked_page, only: :show
-  before_action :maybe_require_link_2fa, only: %i[show update]
+  before_action :maybe_require_link_2fa, only: %i[show]
 
   CONFIG_KEYS = [].freeze
 
@@ -17,7 +17,7 @@ class SubmitFormController < ApplicationController
     submission = @submitter.submission
 
     return redirect_to submit_form_completed_path(@submitter.slug) if @submitter.completed_at?
-    return render :email_2fa if require_email_2fa?(@submitter)
+    return render :email_2fa unless Submitters::AuthorizedForForm.pass_email_2fa?(@submitter, request)
 
     @form_configs = Submitters::FormConfigs.call(@submitter, CONFIG_KEYS)
 
@@ -48,7 +48,7 @@ class SubmitFormController < ApplicationController
   end
 
   def update
-    if require_email_2fa?(@submitter)
+    unless Submitters::AuthorizedForForm.call(@submitter, current_user, request)
       return render json: { error: I18n.t('verification_required_refresh_the_page_and_pass_2fa') },
                     status: :unprocessable_content
     end
@@ -84,7 +84,9 @@ class SubmitFormController < ApplicationController
   def completed
     raise ActionController::RoutingError, I18n.t('not_found') if @submitter.account.archived_at?
 
-    redirect_to submit_form_path(params[:submit_form_slug]) if require_email_2fa?(@submitter)
+    return if Submitters::AuthorizedForForm.call(@submitter, current_user, request)
+
+    redirect_to submit_form_path(params[:submit_form_slug])
   end
 
   def success; end
@@ -92,10 +94,7 @@ class SubmitFormController < ApplicationController
   private
 
   def maybe_require_link_2fa
-    return if @submitter.submission.source != 'link'
-    return unless @submitter.submission.template&.preferences&.dig('shared_link_2fa') == true
-    return if cookies.encrypted[:email_2fa_slug] == @submitter.slug
-    return if @submitter.email == current_user&.email && current_user&.account_id == @submitter.account_id
+    return if Submitters::AuthorizedForForm.pass_link_2fa?(@submitter, current_user, request)
 
     redirect_to start_form_path(@submitter.submission.template.slug)
   end
@@ -117,12 +116,4 @@ class SubmitFormController < ApplicationController
     ActiveStorage::Attachment.where(record: submission.submitters, name: :attachments)
                              .preload(:blob).index_by(&:uuid)
   end
-
-  def require_email_2fa?(submitter)
-    return false if submitter.submission.template&.preferences&.dig('require_email_2fa') != true &&
-                    submitter.preferences['require_email_2fa'] != true
-    return false if cookies.encrypted[:email_2fa_slug] == submitter.slug
-
-    true
-  end
 end