Sanitize feature name

lib/rollout/ui/helpers.rb

@@ -108,5 +108,9 @@ def feature_to_hash(feature)
         percentage: feature.percentage
       }
     end
+
+    def sanitized_name(feature_name)
+      Rack::Utils.escape_html(feature_name)
+    end
   end
 end

lib/rollout/ui/views/features/index.slim

@@ -45,13 +45,13 @@ h2.font-semibold.text-xl.text-gray-500.pt-12.flex.items-center
               = time_ago(@rollout.logging.updated_at(feature_name))
           td.flex.items-center.py-2.justify-end.whitespace-no-wrap.pl-3
             form action=activate_percentage_feature_path(feature_name, 100) method='POST'
-              button.p-3.bg-gray-100.ml-1.rounded-sm.font-bold.leading-none.transition-colors.duration-150(class='hover:bg-gray-200' type='submit' onclick="return confirm('Are you sure you want activate #{feature_name} to 100%?')")
+              button.p-3.bg-gray-100.ml-1.rounded-sm.font-bold.leading-none.transition-colors.duration-150(class='hover:bg-gray-200' type='submit' onclick="return confirm('Are you sure you want activate #{sanitized_name(feature_name)} to 100%?')")
                 ' 100%
             form action=activate_percentage_feature_path(feature_name, 0) method='POST'
-              button.p-3.bg-gray-100.ml-1.rounded-sm.font-bold.leading-none.transition-colors.duration-150(class='hover:bg-gray-200' type='submit' onclick="return confirm('Are you sure you want activate #{feature_name} to 0%?')")
+              button.p-3.bg-gray-100.ml-1.rounded-sm.font-bold.leading-none.transition-colors.duration-150(class='hover:bg-gray-200' type='submit' onclick="return confirm('Are you sure you want activate #{sanitized_name(feature_name)} to 0%?')")
                 ' 0%
             form action=delete_feature_path(feature_name) method='POST'
-              button.p-3.bg-gray-100.ml-1.rounded-sm.font-bold.leading-none.transition-colors.duration-150(class='hover:bg-gray-200' type='submit' onclick="return confirm('Are you sure you want to delete #{feature_name}?')")
+              button.p-3.bg-gray-100.ml-1.rounded-sm.font-bold.leading-none.transition-colors.duration-150(class='hover:bg-gray-200' type='submit' onclick="return confirm('Are you sure you want to delete #{sanitized_name(feature_name)}?')")
                 ' Delete
 
 - global_history_events = @rollout.respond_to?(:logging) ? @rollout.logging.global_events.reverse : []

lib/rollout/ui/views/features/show.slim

@@ -63,7 +63,7 @@ main.p-6.bg-gray-100.max-w-lg.w-full.text-sm.rounded-sm
 
   .flex.items-center.justify-end
     form action=delete_feature_path(@feature.name) method='POST'
-      button.mr-5.text-gray-600(class='hover:underline' type='submit' onclick="return confirm('Are you sure you want to delete #{@feature.name}?')")
+      button.mr-5.text-gray-600(class='hover:underline' type='submit' onclick="return confirm('Are you sure you want to delete #{sanitized_name(@feature.name)}?')")
         | Delete
     button.py-4.px-5.bg-gray-700.text-gray-200.rounded-sm.font-bold.leading-none.transition-colors.duration-200(
       type='submit'

spec/rollout/ui/web_spec.rb

@@ -72,19 +72,35 @@ def app
     ROLLOUT.delete(:fake_test_feature_for_rollout_ui_webspec)
   end
 
+  it "rescapes javascript in the action index" do
+    ROLLOUT.activate(:'+alert(1)+')
+
+    get '/'
+
+    expect(last_response).to be_ok
+    expect(last_response.body).to include('Rollout UI') & include("'+alert(1)+'")
+  end
+
   it "renders show html" do
     get '/features/test'
 
     expect(last_response).to be_ok
     expect(last_response.body).to include('Rollout UI') & include('test')
   end
 
+  it "escapes javascript in the action show" do
+    get "/features/'+alert(1)+'"
+
+    expect(last_response).to be_ok
+    expect(last_response.body).to include('Rollout UI') & include("'+alert(1)+'")
+  end
+
   it "renders show json" do
     ROLLOUT.activate(:fake_test_feature_for_rollout_ui_webspec)
     header 'Accept', 'application/json'
- 
+
     get '/features/fake_test_feature_for_rollout_ui_webspec'
- 
+
     expect(last_response).to be_ok
     expect(last_response.headers).to include('Content-Type' => 'application/json')
     response = JSON.parse(last_response.body)
@@ -98,4 +114,4 @@ def app
 
     ROLLOUT.delete(:fake_test_feature_for_rollout_ui_webspec)
   end
-end
+end