X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/f4d1d97848306e71b6525c58f2e5691b8aa686b7..b0288b83bb437bbfc0deb325cca142066dc9848b:/app/controllers/application_controller.rb

diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 517b11e14..07b23ce21 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -381,19 +381,23 @@ class ApplicationController < ActionController::Base
 
   # clean any referer parameter
   def safe_referer(referer)
-    referer = URI.parse(referer)
+    begin
+      referer = URI.parse(referer)
+
+      if referer.scheme == "http" || referer.scheme == "https"
+        referer.scheme = nil
+        referer.host = nil
+        referer.port = nil
+      elsif referer.scheme || referer.host || referer.port
+        referer = nil
+      end
 
-    if referer.scheme == "http" || referer.scheme == "https"
-      referer.scheme = nil
-      referer.host = nil
-      referer.port = nil
-    elsif referer.scheme || referer.host || referer.port
+      referer = nil if referer&.path&.first != "/"
+    rescue URI::InvalidURIError
       referer = nil
     end
 
-    referer = nil if referer&.path&.first != "/"
-
-    referer.to_s
+    referer&.to_s
   end
 
   def scope_enabled?(scope)