add require file links auth toggle

app/controllers/account_configs_controller.rb

@@ -9,7 +9,8 @@ class AccountConfigsController < ApplicationController
     AccountConfig::FORCE_MFA,
     AccountConfig::ALLOW_TO_RESUBMIT,
     AccountConfig::ESIGNING_PREFERENCE_KEY,
-    AccountConfig::FORM_WITH_CONFETTI_KEY
+    AccountConfig::FORM_WITH_CONFETTI_KEY,
+    AccountConfig::DOWNLOAD_LINKS_AUTH_KEY
   ].freeze
 
   InvalidKey = Class.new(StandardError)

app/controllers/api/active_storage_blobs_proxy_controller.rb

@@ -20,6 +20,8 @@ module Api
 
       blob = ActiveStorage::Blob.find_by!(uuid: blob_uuid)
 
+      authorization_check!(blob) if exp.blank?
+
       if request.headers['Range'].present?
         send_blob_byte_range_data blob, request.headers['Range']
       else
@@ -31,5 +33,20 @@ module Api
         end
       end
     end
+
+    private
+
+    def authorization_check!(blob)
+      is_authorized =
+        blob.attachments.all? do |a|
+          a.name.in?(%w[logo preview_images]) ||
+            (current_user && a.record.account.id == current_user.account_id) ||
+            !a.record.account.account_configs.find_or_initialize_by(key: AccountConfig::DOWNLOAD_LINKS_AUTH_KEY).value
+        end
+
+      return if is_authorized
+
+      raise CanCan::AccessDenied
+    end
   end
 end

app/controllers/api/api_base_controller.rb

@@ -50,14 +50,16 @@ module Api
     end
 
     def authenticate_user!
-      @current_user ||=
+      render json: { error: 'Not authenticated' }, status: :unauthorized unless current_user
-        if request.headers['X-Auth-Token'].present?
+    end
-          sha256 = Digest::SHA256.hexdigest(request.headers['X-Auth-Token'])
 
-          User.joins(:access_token).active.find_by(access_token: { sha256: })
+    def current_user
-        end
+      super || @current_user ||=
+                 if request.headers['X-Auth-Token'].present?
+                   sha256 = Digest::SHA256.hexdigest(request.headers['X-Auth-Token'])
 
-      render json: { error: 'Not authenticated' }, status: :unauthorized unless current_user
+                   User.joins(:access_token).active.find_by(access_token: { sha256: })
+                 end
     end
 
     def current_account

app/models/account_config.rb

@@ -34,6 +34,7 @@ class AccountConfig < ApplicationRecord
   FORM_WITH_CONFETTI_KEY = 'form_with_confetti'
   ESIGNING_PREFERENCE_KEY = 'esigning_preference'
   WEBHOOK_PREFERENCES_KEY = 'webhook_preferences'
+  DOWNLOAD_LINKS_AUTH_KEY = 'download_links_auth'
 
   DEFAULT_VALUES = {
     SUBMITTER_INVITATION_EMAIL_KEY => {

app/views/accounts/show.html.erb

@@ -75,6 +75,18 @@
             </div>
           <% end %>
         <% end %>
+        <% account_config = AccountConfig.find_or_initialize_by(account: current_account, key: AccountConfig::DOWNLOAD_LINKS_AUTH_KEY) %>
+        <% if can?(:manage, account_config) %>
+          <%= form_for account_config, url: account_configs_path, method: :post do |f| %>
+            <%= f.hidden_field :key %>
+            <div class="flex items-center justify-between py-2.5">
+              <span>
+                Require authorization for file download links
+              </span>
+              <%= f.check_box :value, class: 'toggle', checked: account_config.value, onchange: 'this.form.requestSubmit()' %>
+            </div>
+          <% end %>
+        <% end %>
       </div>
     <% end %>
     <% if can?(:manage, current_account) && Docuseal.multitenant? && true_user == current_user %>

config/routes.rb

@@ -79,6 +79,8 @@ Rails.application.routes.draw do
     resources :submissions_export, only: %i[index new]
   end
   resources :preview_document_page, only: %i[show], path: '/preview/:signed_uuid'
+  resource :blobs_proxy, only: %i[show], path: '/file/:signed_uuid/*filename',
+                         controller: 'api/active_storage_blobs_proxy'
   resource :blobs_proxy, only: %i[show], path: '/blobs_proxy/:signed_uuid/*filename',
                          controller: 'api/active_storage_blobs_proxy'