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Change form-action Content-Security-Policy directive to be more restrictive (#26897)

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Claire 2024-09-12 15:24:19 +02:00 • committed by GitHub
parent 5f782f9629
commit a496aeabcb
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4 changed files with 29 additions and 21 deletions
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22
config/initializers/content_security_policy.rb
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@ -12,24 +12,6 @@ policy = ContentSecurityPolicy.new
assets_host = policy.assets_host
media_hosts = policy.media_hosts
def sso_host
return unless ENV['ONE_CLICK_SSO_LOGIN'] == 'true'
return unless ENV['OMNIAUTH_ONLY'] == 'true'
return unless Devise.omniauth_providers.length == 1
provider = Devise.omniauth_configs[Devise.omniauth_providers[0]]
@sso_host ||= begin
case provider.provider
when :cas
provider.cas_url
when :saml
provider.options[:idp_sso_target_url]
when :openid_connect
provider.options.dig(:client_options, :authorization_endpoint) || OpenIDConnect::Discovery::Provider::Config.discover!(provider.options[:issuer]).authorization_endpoint
end
end
end
Rails.application.config.content_security_policy do |p|
p.base_uri :none
p.default_src :none
@ -40,8 +22,8 @@ Rails.application.config.content_security_policy do |p|
p.media_src :self, :data, *media_hosts
p.manifest_src :self, assets_host
if sso_host.present?
p.form_action :self, sso_host
if policy.sso_host.present?
p.form_action :self, policy.sso_host
else
p.form_action :self
end