zxcvbn/lib/main.js

realistic password strength estimation

// Generated by CoffeeScript 1.10.0
var feedback, matching, scoring, time, time_estimates, zxcvbn;

matching = require('./matching');

scoring = require('./scoring');

time_estimates = require('./time_estimates');

feedback = require('./feedback');

time = function() {
  return (new Date()).getTime();
};

zxcvbn = function(password, user_inputs) {
  var arg, attack_times, i, len, matches, prop, ref, result, sanitized_inputs, start, val;
  if (user_inputs == null) {
    user_inputs = [];
  }
  start = time();
  sanitized_inputs = [];
  for (i = 0, len = user_inputs.length; i < len; i++) {
    arg = user_inputs[i];
    if ((ref = typeof arg) === "string" || ref === "number" || ref === "boolean") {
      sanitized_inputs.push(arg.toString().toLowerCase());
    }
  }
  matching.set_user_input_dictionary(sanitized_inputs);
  matches = matching.omnimatch(password);
  result = scoring.most_guessable_match_sequence(password, matches);
  result.calc_time = time() - start;
  attack_times = time_estimates.estimate_attack_times(result.guesses);
  for (prop in attack_times) {
    val = attack_times[prop];
    result[prop] = val;
  }
  result.feedback = feedback.get_feedback(result.score, result.sequence);
  return result;
};

module.exports = zxcvbn;

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