text: /**
   * CAS validate:  validate requests via CAS service tickets
   *
   * Options:
   *
   *   - `serivce`  the service url we are checking.  probably best to leave it blank
   *   - `cas_host` the CAS host.  will fallback to environment variable CAS_HOST
   *
   * @param {Object} options
   * @return {Function}
   * @api public
   */
  
  // fixme, put in the global init here, if/when I ever decide to write that
  
  
  exports.redirect = require('./redirect').redirect
  exports.check_and_return = require('./redirect').check_and_return
  exports.check_or_redirect = require('./check_or_redirect')
  // note that ticket include xml parsing now, should eventually
  // include json as an option
  exports.ticket = require('./ticket')
  exports.ssoff = require('./ssoff')
  exports.logout = require('./logout')
  exports.get_username = require('./sax_parser').get_username
  exports.get_attributes = require('./sax_parser').get_attributes
  exports.session_or_abort = require('./session_or_abort')
  