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require 'httparty'
module CryptCheck
module Tls
module Https
class Server < Tls::TcpServer
attr_reader :hsts
def initialize(hostname, port=443)
super
fetch_hsts
end
def fetch_hsts
port = @port == 443 ? '' : ":#{@port}"
response = ::HTTParty.head "https://#{@hostname}#{port}/", { follow_redirects: false, verify: false, timeout: SSL_TIMEOUT }
if header = response.headers['strict-transport-security']
name, value = header.split '='
if name == 'max-age'
@hsts = value.to_i
Logger.info { "HSTS : #{@hsts.to_s.colorize hsts_long? ? :green : nil}" }
return
end
end
Logger.info { 'No HSTS'.colorize :yellow }
@hsts = nil
end
def hsts?
!@hsts.nil?
end
def hsts_long?
hsts? and @hsts >= 6*30*24*60*60
end
end
end
end
end