Initial commit

app/controllers/carto/api/image_proxy_controller.rb

@@ -0,0 +1,26 @@
+
+module Carto
+  module Api
+    class ImageProxyController < ::Api::ApplicationController
+
+      ssl_required :show
+
+      def show
+        # image url
+        url = params[:url]
+        render :status => 404 if url.blank?
+
+        # fetch the image
+        http_client = Carto::Http::Client.get('image_proxy', log_requests: true)
+        response = http_client.get(url, followlocation: true,  timeout: 3)
+        if response.code == 200
+          send_data response.response_body, type: response.headers['Content-Type'], disposition: 'inline'
+        else
+          render :status => 404
+        end
+
+      end
+
+    end
+  end
+end