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Code Issues Releases Wiki Activity

Improve security: HSTS, Force SSL, CSP

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This commit is contained in:
Philipp Fischbeck 2019-03-17 10:55:09 +01:00
parent 51f985830a
commit a5dc6c2532
8 changed files with 34 additions and 31 deletions
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4
app/assets/javascripts/application.js
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@ -20,5 +20,5 @@
//= require codemirror/modes/css
//= require codemirror/modes/javascript
//= require codemirror/modes/htmlmixed
//= require translations
//= require_tree .
//= require mathjax-config
//= require init

10
app/assets/javascripts/translations.js.coffee → app/assets/javascripts/init.coffee
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@ -1,6 +1,4 @@
# Place all the behaviors and hooks related to the matching controller here.
# All this logic will automatically be available in application.js.
# You can use CoffeeScript in this file: http://coffeescript.org/
window.App ||= {}
cm = null
@ -13,8 +11,12 @@ loadCodeMirror = ->
mode: "text/html"
})
$(document).on "turbolinks:load", loadCodeMirror
App.init = ->
MathJax.Hub.Queue(["Typeset",MathJax.Hub]);
loadCodeMirror();
$(document).on "turbolinks:load", ->
App.init()
$(document).on "click", '#translationNav a[href="#preview"]', ->
$('#preview .problem-content').html(cm.getValue())

9
app/assets/javascripts/mathjax-config.js Normal file
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@ -0,0 +1,9 @@
window.MathJax = {
jax: ["input/TeX", "output/HTML-CSS"],
tex2jax: {
inlineMath: [ ["$","$"], ["\\(","\\)"] ],
displayMath: [ ["$$","$$"], ["\\[","\\]"] ],
processEscapes: true
},
"HTML-CSS": { availableFonts: ["TeX"] }
};

2
app/assets/javascripts/mathjax.js.coffee
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@ -1,2 +0,0 @@
$(document).on 'turbolinks:load', ->
MathJax.Hub.Queue(["Typeset",MathJax.Hub]);

13
app/views/layouts/application.html.erb
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@ -5,18 +5,7 @@
<%= favicon_link_tag %>
<%= stylesheet_link_tag 'application', media: 'all', 'data-turbolinks-track' => true %>
<%= javascript_include_tag 'application', 'data-turbolinks-track' => true %>
<script type="text/x-mathjax-config">
MathJax.Hub.Config({
jax: ["input/TeX", "output/HTML-CSS"],
tex2jax: {
inlineMath: [ ["$","$"], ["\\(","\\)"] ],
displayMath: [ ["$$","$$"], ["\\[","\\]"] ],
processEscapes: true
},
"HTML-CSS": { availableFonts: ["TeX"] }
});
</script>
<script src='https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js?config=TeX-AMS_HTML' async></script>
<%= javascript_include_tag 'https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js?config=TeX-AMS_HTML-full,Safe', 'data-turbolinks-track' => true %>
<%= csrf_meta_tags %>
</head>
<body>

4
config/application.rb
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@ -16,6 +16,10 @@ module Projekteuler
# -- all .rb files in that directory are automatically loaded after loading
# the framework and any gems in your application.
config.action_dispatch.default_headers = {
'X-Frame-Options' => 'DENY'
}
# Set Time.zone default to the specified zone and make Active Record auto-convert to this zone.
# Run "rake -D time" for a list of tasks for finding time zone names. Default is UTC.
# config.time_zone = 'Central Time (US & Canada)'

2
config/environments/production.rb
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@ -47,7 +47,7 @@ Rails.application.configure do
# config.action_cable.allowed_request_origins = [ 'http://example.com', /http:\/\/example.*/ ]
# Force all access to the app over SSL, use Strict-Transport-Security, and use secure cookies.
# config.force_ssl = true
config.force_ssl = true
# Use the lowest log level to ensure availability of diagnostic information
# when problems arise.

21
config/initializers/content_security_policy.rb
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@ -4,17 +4,18 @@
# For further information see the following documentation
# https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy
# Rails.application.config.content_security_policy do |policy|
# policy.default_src :self, :https
# policy.font_src :self, :https, :data
# policy.img_src :self, :https, :data
# policy.object_src :none
# policy.script_src :self, :https
# policy.style_src :self, :https
Rails.application.config.content_security_policy do |policy|
policy.default_src :none
policy.font_src :self, 'https://cdnjs.cloudflare.com'
policy.img_src :self, 'https://cdnjs.cloudflare.com', 'https://projecteuler.net'
policy.object_src :none
policy.script_src :self, 'https://cdnjs.cloudflare.com'
policy.style_src :self, :unsafe_inline
policy.connect_src :self
# # Specify URI for violation reports
# # policy.report_uri "/csp-violation-report-endpoint"
# end
# Specify URI for violation reports
# policy.report_uri "/csp-violation-report-endpoint"
end
# If you are using UJS then enable automatic nonce generation
# Rails.application.config.content_security_policy_nonce_generator = -> request { SecureRandom.base64(16) }