discourse/lib/webauthn/challenge_generator.rb

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# frozen_string_literal: true
module Webauthn
class ChallengeGenerator
class ChallengeSession
attr_reader :challenge, :rp_id, :rp_name
def initialize(params)
@challenge = params[:challenge]
@rp_id = params[:rp_id]
@rp_name = params[:rp_name]
end
def commit_to_session(secure_session, user)
secure_session[self.class.session_challenge_key(user)] = @challenge
secure_session[self.class.session_rp_id_key(user)] = @rp_id
secure_session[self.class.session_rp_name_key(user)] = @rp_name
self
end
def self.session_challenge_key(user)
"staged-webauthn-challenge-#{user&.id}"
end
def self.session_rp_id_key(user)
"staged-webauthn-rp-id-#{user&.id}"
end
def self.session_rp_name_key(user)
"staged-webauthn-rp-name-#{user&.id}"
end
end
def self.generate
ChallengeSession.new(
challenge: SecureRandom.hex(30),
rp_id: Discourse.current_hostname,
rp_name: SiteSetting.title
)
end
end
end