gitlab-org--gitlab-foss/lib/omni_auth/strategies/saml.rb
Sebastian Arcila Valenzuela 3692e9f8a2
Validate that SAML requests are originated from gitlab
If the request wasn't initiated by gitlab we shouldn't add the new
identity to the user, and instead show that we weren't able to link
the identity to the user.

This should fix: https://gitlab.com/gitlab-org/gitlab-ce/issues/56509
2019-09-30 14:22:06 +02:00

29 lines
802 B
Ruby

# frozen_string_literal: true
module OmniAuth
module Strategies
class SAML
extend ::Gitlab::Utils::Override
# NOTE: This method duplicates code from omniauth-saml
# so that we can access authn_request to store it
# See: https://github.com/omniauth/omniauth-saml/issues/172
override :request_phase
def request_phase
authn_request = OneLogin::RubySaml::Authrequest.new
store_authn_request_id(authn_request)
with_settings do |settings|
redirect(authn_request.create(settings, additional_params_for_authn_request))
end
end
private
def store_authn_request_id(authn_request)
Gitlab::Auth::Saml::OriginValidator.new(session).store_origin(authn_request)
end
end
end
end