Merge pull request #4633 from tomhughes/trace-images

[rails.git] / app / controllers / export_controller.rb

diff --git a/app/controllers/export_controller.rb b/app/controllers/export_controller.rb
index a5766e99c840acdcdedcc31d7c6d7ceb6ed31cef..94851de96485741758d681a1247be029c402dc17 100644 (file)
--- a/app/controllers/export_controller.rb
+++ b/app/controllers/export_controller.rb
@@ -1,30 +1,33 @@
 class ExportController < ApplicationController
-  def start
-    render :update do |page|
-      page.replace_html :sidebar_title, 'Export'
-      page.replace_html :sidebar_content, :partial => 'start'
-      page.call "openSidebar"
-    end
-  end
+  before_action :authorize_web
+  before_action :set_locale
+  before_action :update_totp, :only => [:finish]
+  authorize_resource :class => false
 
+  caches_page :embed
+
+  # When the user clicks 'Export' we redirect to a URL which generates the export download
   def finish
-    bbox = BoundingBox.new(params[:minlon], params[:minlat], params[:maxlon], params[:maxlat])
+    bbox = BoundingBox.from_lon_lat_params(params)
     format = params[:format]
 
-    if format == "osm"
-      redirect_to "http://api.openstreetmap.org/api/#{API_VERSION}/map?bbox=#{bbox}"
-    elsif format == "mapnik"
+    case format
+    when "osm"
+      # redirect to API map get
+      redirect_to :controller => "api/map", :action => "index", :bbox => bbox
+
+    when "mapnik"
+      # redirect to a special 'export' cgi script
       format = params[:mapnik_format]
       scale = params[:mapnik_scale]
 
-      redirect_to "http://tile.openstreetmap.org/cgi-bin/export?bbox=#{bbox}&scale=#{scale}&format=#{format}"
-    elsif format == "osmarender"
-      format = params[:osmarender_format]
-      zoom = params[:osmarender_zoom].to_i
-      width = bbox.slippy_width(zoom).to_i
-      height = bbox.slippy_height(zoom).to_i
-
-      redirect_to "http://tah.openstreetmap.org/MapOf/index.php?long=#{bbox.centre_lon}&lat=#{bbox.centre_lat}&z=#{zoom}&w=#{width}&h=#{height}&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
 end