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* FEATURE: allow plugins and themes to extend the default CSP For plugins: ``` extend_content_security_policy( script_src: ['https://domain.com/script.js', 'https://your-cdn.com/'], style_src: ['https://domain.com/style.css'] ) ``` For themes and components: ``` extend_content_security_policy: type: list default: "script_src:https://domain.com/|style_src:https://domain.com" ``` * clear CSP base url before each test we have a test that stubs `Rails.env.development?` to true * Only allow extending directives that core includes, for now
33 lines
829 B
Ruby
33 lines
829 B
Ruby
# frozen_string_literal: true
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require_dependency 'content_security_policy'
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class ContentSecurityPolicy
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class Middleware
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def initialize(app)
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@app = app
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end
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def call(env)
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request = Rack::Request.new(env)
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_, headers, _ = response = @app.call(env)
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return response unless html_response?(headers)
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ContentSecurityPolicy.base_url = request.host_with_port if Rails.env.development?
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headers['Content-Security-Policy'] = policy if SiteSetting.content_security_policy
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headers['Content-Security-Policy-Report-Only'] = policy if SiteSetting.content_security_policy_report_only
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response
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end
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private
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delegate :policy, to: :ContentSecurityPolicy
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def html_response?(headers)
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headers['Content-Type'] && headers['Content-Type'] =~ /html/
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end
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end
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end
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