59 lines
1.4 KiB
Ruby
59 lines
1.4 KiB
Ruby
# frozen_string_literal: true
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class ContentSecurityPolicy
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module Extension
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extend self
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def site_setting_extension
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{ script_src: SiteSetting.content_security_policy_script_src.split('|') }
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end
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def plugin_extensions
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[].tap do |extensions|
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Discourse.plugins.each do |plugin|
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extensions.concat(plugin.csp_extensions) if plugin.enabled?
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end
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end
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end
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THEME_SETTING = 'extend_content_security_policy'
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def theme_extensions(theme_ids)
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key = "theme_extensions_#{Theme.transform_ids(theme_ids).join(',')}"
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cache[key] ||= find_theme_extensions(theme_ids)
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end
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def clear_theme_extensions_cache!
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cache.clear
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end
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private
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def cache
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@cache ||= DistributedCache.new('csp_extensions')
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end
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def find_theme_extensions(theme_ids)
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extensions = []
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Theme.where(id: Theme.transform_ids(theme_ids)).find_each do |theme|
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theme.cached_settings.each do |setting, value|
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extensions << build_theme_extension(value) if setting.to_s == THEME_SETTING
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end
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end
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extensions
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end
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def build_theme_extension(raw)
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{}.tap do |extension|
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raw.split('|').each do |entry|
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directive, source = entry.split(':', 2).map(&:strip)
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extension[directive] ||= []
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extension[directive] << source
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end
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end
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end
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end
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end
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