Allow inline javascript and CSS in better_errors pages

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

diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index b8a50eb780e40b0da80a9b27c5ad1e9a29566741..db4ae9ad392f20f91a60d6c251f8244633cc7d34 100644 (file)
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -4,6 +4,7 @@ class ApplicationController < ActionController::Base
   protect_from_forgery :with => :exception
 
   before_action :fetch_body
+  around_action :better_errors_allow_inline, :if => proc { Rails.env.development? }
 
   attr_accessor :current_user
   helper_method :current_user
@@ -295,7 +296,8 @@ class ApplicationController < ActionController::Base
     end
   end
 
-  def preferred_languages
+  def preferred_languages(reset = false)
+    @preferred_languages = nil if reset
     @preferred_languages ||= if params[:locale]
                                Locale.list(params[:locale])
                              elsif current_user
@@ -307,13 +309,13 @@ class ApplicationController < ActionController::Base
 
   helper_method :preferred_languages
 
-  def set_locale
+  def set_locale(reset = false)
     if current_user && current_user.languages.empty? && !http_accept_language.user_preferred_languages.empty?
       current_user.languages = http_accept_language.user_preferred_languages
       current_user.save
     end
 
-    I18n.locale = Locale.available.preferred(preferred_languages)
+    I18n.locale = Locale.available.preferred(preferred_languages(reset))
 
     response.headers["Vary"] = "Accept-Language"
     response.headers["Content-Language"] = I18n.locale.to_s
@@ -411,9 +413,9 @@ class ApplicationController < ActionController::Base
     append_content_security_policy_directives(
       :child_src => %w[http://127.0.0.1:8111 https://127.0.0.1:8112],
       :frame_src => %w[http://127.0.0.1:8111 https://127.0.0.1:8112],
-      :connect_src => %w[nominatim.openstreetmap.org overpass-api.de router.project-osrm.org],
+      :connect_src => %w[nominatim.openstreetmap.org overpass-api.de router.project-osrm.org graphhopper.com],
       :form_action => %w[render.openstreetmap.org],
-      :script_src => %w[graphhopper.com open.mapquestapi.com],
+      :script_src => %w[open.mapquestapi.com],
       :img_src => %w[developer.mapquest.com]
     )
 
@@ -454,6 +456,17 @@ class ApplicationController < ActionController::Base
     end
   end
 
+  def better_errors_allow_inline
+    yield
+  rescue StandardError
+    append_content_security_policy_directives(
+      :script_src => %w['unsafe-inline'],
+      :style_src => %w['unsafe-inline']
+    )
+
+    raise
+  end
+
   private
 
   # extract authorisation credentials from headers, returns user = nil if none