X-Git-Url: https://git.openstreetmap.org/rails.git/blobdiff_plain/ff7ddb6b86bf918a9418af7382836b41594d45e4..20bdbb05c32d6f93593974fbd37e811932841801:/app/controllers/export_controller.rb

diff --git a/app/controllers/export_controller.rb b/app/controllers/export_controller.rb
index 50aa2a3c9..cddc97b68 100644
--- a/app/controllers/export_controller.rb
+++ b/app/controllers/export_controller.rb
@@ -4,6 +4,10 @@ class ExportController < ApplicationController
   before_action :update_totp, :only => [:finish]
   authorize_resource :class => false
 
+  content_security_policy(:only => :embed) do |policy|
+    policy.frame_ancestors("*")
+  end
+
   caches_page :embed
 
   # When the user clicks 'Export' we redirect to a URL which generates the export download
@@ -11,22 +15,19 @@ class ExportController < ApplicationController
     bbox = BoundingBox.from_lon_lat_params(params)
     format = params[:format]
 
-    if format == "osm"
+    case format
+    when "osm"
       # redirect to API map get
       redirect_to :controller => "api/map", :action => "index", :bbox => bbox
 
-    elsif format == "mapnik"
+    when "mapnik"
       # redirect to a special 'export' cgi script
       format = params[:mapnik_format]
       scale = params[:mapnik_scale]
 
-      redirect_to "https://render.openstreetmap.org/cgi-bin/export?bbox=#{bbox}&scale=#{scale}&format=#{format}"
+      redirect_to "https://render.openstreetmap.org/cgi-bin/export?bbox=#{bbox}&scale=#{scale}&format=#{format}", :allow_other_host => true
     end
   end
 
-  def embed
-    append_content_security_policy_directives(
-      :frame_ancestors => %w[*]
-    )
-  end
+  def embed; end
 end