My opinionated ruby on rails template
Merge pull request #2 from jaspermayone/copilot/remove-strict-csp-policy
authored by
Jasper Mayone
and committed by
GitHub
cd5e9272
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README.md
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README.md
···
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- **BlindIndex** — Search encrypted fields without decryption
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- **InvisibleCaptcha** — Honeypot spam protection
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- **Strong Migrations** — Prevents dangerous migrations in production
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- **CSP & CORS** — Content Security Policy and cross-origin headers
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- **CSP & CORS** — Optional Content Security Policy (disabled by default) and cross-origin headers
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- **Security Scanning** — Bundler-audit and Brakeman in CI
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### Admin Dashboards
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modules/csp.rb
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modules/csp.rb
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gem 'rack-cors'
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# bundler-audit included by Rails 8
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say ' Configuring Content Security Policy...', :cyan
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say ' Content Security Policy disabled by default (can be enabled in initializer)...', :cyan
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initializer 'content_security_policy.rb', <<~RUBY
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# frozen_string_literal: true
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# Define an application-wide content security policy
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# Content Security Policy (CSP) is disabled by default for flexibility.
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# Uncomment and configure the policy below if you need stricter security controls.
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# See: https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy
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Rails.application.configure do
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config.content_security_policy do |policy|
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policy.default_src :self
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policy.font_src :self, :data, 'https://fonts.gstatic.com'
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policy.img_src :self, :data, :blob
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policy.object_src :none
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policy.script_src :self
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policy.style_src :self, :unsafe_inline, 'https://fonts.googleapis.com'
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policy.frame_ancestors :self
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policy.base_uri :self
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policy.form_action :self
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# Allow connections to same origin and websockets
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policy.connect_src :self, :wss
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# Report violations to your error tracking service
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# policy.report_uri '/csp-report'
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end
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# Generate nonce for inline scripts/styles
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# Use <%= csp_meta_tag %> in your layout and
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# <%= javascript_tag nonce: true %> for inline scripts
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config.content_security_policy_nonce_generator = ->(request) { request.session.id.to_s }
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config.content_security_policy_nonce_directives = %w[script-src style-src]
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# Report CSP violations without enforcing (useful for rollout)
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# config.content_security_policy_report_only = true
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end
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# Rails.application.configure do
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# config.content_security_policy do |policy|
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# policy.default_src :self
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# policy.font_src :self, :data, 'https://fonts.gstatic.com'
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# policy.img_src :self, :data, :blob
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# policy.object_src :none
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# policy.script_src :self
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# policy.style_src :self, :unsafe_inline, 'https://fonts.googleapis.com'
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# policy.frame_ancestors :self
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# policy.base_uri :self
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# policy.form_action :self
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#
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# # Allow connections to same origin and websockets
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# policy.connect_src :self, :wss
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#
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# # Report violations to your error tracking service
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# # policy.report_uri '/csp-report'
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# end
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#
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# # Generate nonce for inline scripts/styles
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# # Use <%= csp_meta_tag %> in your layout and
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# # <%= javascript_tag nonce: true %> for inline scripts
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# config.content_security_policy_nonce_generator = ->(request) { request.session.id.to_s }
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# config.content_security_policy_nonce_directives = %w[script-src style-src]
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#
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# # Report CSP violations without enforcing (useful for rollout)
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# # config.content_security_policy_report_only = true
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# end
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RUBY
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say ' Configuring CORS...', :cyan
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}
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RUBY
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say ' Adding CSP meta tag to layout...', :cyan
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inject_into_file 'app/views/layouts/application.html.erb', after: "<%= csrf_meta_tags %>\n" do
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" <%= csp_meta_tag %>\n"
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end
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say ' Skipping CSP meta tag...', :cyan
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# CSP meta tag is not added since CSP is disabled by default
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# Uncomment below if you enable CSP in the initializer
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# inject_into_file 'app/views/layouts/application.html.erb', after: "<%= csrf_meta_tags %>\n" do
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# " <%= csp_meta_tag %>\n"
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# end
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say 'Security hardening configured!', :green
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say ' CSP headers enabled (review policy for your needs)', :cyan
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say ' CSP headers disabled by default (review initializer to enable)', :cyan
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say ' CORS configured for API routes', :cyan
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say ' Run `bundle audit` to check for vulnerabilities', :yellow