mixpanel_signature.js

'use strict';

var crypto = require('crypto');

exports.generate_signature = function (params, api_secret) {
  var sorted = [];
  var pre_sig;

  Object.keys(params).sort().forEach(function (key) {
    sorted.push([key, params[key]].join('='));
  });

  pre_sig = sorted.join('') + api_secret;

  return crypto.createHash('md5').update(pre_sig).digest('hex');
};