Allow sdr#file_content routes to support file names with any characte…

…rs, including dots

.rubocop.yml

@@ -40,3 +40,7 @@ Metrics/LineLength:
 
 Metrics/BlockLength:
   Enabled: false
+
+RSpec/ExpectActual:
+  Exclude:
+    - 'spec/routing/**'

config/routes.rb

@@ -9,7 +9,7 @@
       get 'current_version', to: 'sdr#current_version'
       get 'manifest/:dsname', to: 'sdr#ds_manifest', format: false
       get 'metadata/:dsname', to: 'sdr#ds_metadata', format: false
-      get 'content/:filename', to: 'sdr#file_content', format: false
+      get 'content/:filename', to: 'sdr#file_content', format: false, constraints: { filename: /.+/ }
     end
 
     scope '/workflows/:wf_name' do

spec/routing/sdr_controller_spec.rb

@@ -0,0 +1,10 @@
+require 'rails_helper'
+
+RSpec.describe SdrController, type: :routing do
+  describe 'routing' do
+    it 'routes to #content' do
+      expect(get: '/v1/sdr/objects/druid:mk420bs7601/content/00004692.tif')
+        .to route_to('sdr#file_content', druid: 'druid:mk420bs7601', filename: '00004692.tif')
+    end
+  end
+end