add download utils

app/controllers/api/submissions_controller.rb

@@ -80,7 +80,7 @@ module Api
       end
 
       render json: build_create_json(submissions)
-    rescue Submitters::NormalizeValues::BaseError => e
+    rescue Submitters::NormalizeValues::BaseError, DownloadUtils::UnableToDownload => e
       Rollbar.warning(e) if defined?(Rollbar)
 
       render json: { error: e.message }, status: :unprocessable_entity

app/controllers/api/submitters_controller.rb

@@ -77,7 +77,7 @@ module Api
                                                                 with_urls: true,
                                                                 with_events: false,
                                                                 params:)
-    rescue Submitters::NormalizeValues::BaseError => e
+    rescue Submitters::NormalizeValues::BaseError, DownloadUtils::UnableToDownload => e
       Rollbar.warning(e) if defined?(Rollbar)
 
       render json: { error: e.message }, status: :unprocessable_entity

app/controllers/templates_uploads_controller.rb

@@ -52,7 +52,7 @@ class TemplatesUploadsController < ApplicationController
   def create_file_params_from_url
     tempfile = Tempfile.new
     tempfile.binmode
-    tempfile.write(conn.get(Addressable::URI.parse(params[:url]).display_uri.to_s).body)
+    tempfile.write(DownloadUtils.call(params[:url]).body)
     tempfile.rewind
 
     file = ActionDispatch::Http::UploadedFile.new(
@@ -65,10 +65,4 @@ class TemplatesUploadsController < ApplicationController
 
     { files: [file] }
   end
-
-  def conn
-    Faraday.new do |faraday|
-      faraday.response :follow_redirects
-    end
-  end
 end