定义生成totp和验证

+/**
+ * Created by lintry on 2017/5/19.
+ */
+
+module.exports = require('./lib/totp');

+/**
+ * Created by lintry on 2017/5/19.
+ */
+
+const Authenticator = function (secret, options) {
+  if (!(this instanceof Authenticator)) {
+    return new Authenticator(secret, options)
+  }
+
+  const _ = require('lodash'),
+    path = require('path'),
+    crypto_utils = require('kml-crypto-utils'),
+    speakeasy = require('speakeasy'),
+    qr = require('qr-image');
+
+  options = options || {};
+
+  this.secret = crypto_utils.AESDecode(secret);
+
+  const TOTP_OPTIONS = this.totp_options = {
+    secret: this.secret,
+    encoding: options.encoding || 'base32',
+    step: options.step || 30
+  };
+
+
+  /**
+   * 验证token有效性
+   * @type {Authenticator.verify}
+   */
+  const verify = this.verify = function(token) {
+    return speakeasy.totp.verify(_.merge({token: token}, TOTP_OPTIONS));
+  };
+
+  /**
+   * 在options.window的范围内验证token的有效性
+   * @type {Authenticator.verifyDelta}
+   */
+  const verifyDelta = this.verifyDelta = function(token) {
+    return speakeasy.totp.verifyDelta(_.merge({token: token}, TOTP_OPTIONS));
+  };
+
+  /**
+   * 获取QR显示值
+   * @type {Authenticator.getOtpAuth}
+   */
+  const getOtpAuth = this.getOtpAuth = function (title, issuer) {
+    let _title = title || 'HowAreU';
+    let _issuer = encodeURIComponent(issuer || 'TOTP-KEY');
+    return `otpauth://totp/${_title}?secret=${this.secret}&issuer=${_issuer}`;
+  };
+
+  /**
+   * 生成svg的QR图片内容
+   * @type {Authenticator.getQR}
+   */
+  const getQR = this.getQR = function(title, issuer) {
+    return qr.imageSync(getOtpAuth(title, issuer), { type: 'svg' });
+  };
+
+  /**
+   * 生成新的token
+   * @type {Authenticator.totp}
+   */
+  const totp = this.totp = function () {
+    return speakeasy.totp(_.merge({}, TOTP_OPTIONS));
+  };
+
+  return this;
+};
+
+module.exports = Authenticator;
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+/**
+ * Created by lintry on 2017/5/19.
+ */
+
+const TOTP = function (options) {
+  if (!(this instanceof TOTP)) {
+    return new TOTP(options)
+  }
+
+  const _ = require('lodash'),
+    crypto_utils = require('kml-crypto-utils'),
+    speakeasy = require('speakeasy'),
+    Authenticator = require('./authenticator');
+
+  options = options || {};
+
+  const TOTP_OPTIONS = {
+    encoding: options.encoding || 'base32',
+    step: options.step || 30
+  };
+
+  /**
+   * 生成密钥并加密
+   * @return {*}
+   */
+  this.createSecret = function() {
+    return crypto_utils.AESEncode(speakeasy.generateSecret({length: 20}).base32);
+  };
+
+  /**
+   * 解析密钥
+   * @param secret
+   * @return {Authenticator}
+   */
+  this.parse = function (secret) {
+    return new Authenticator(secret, TOTP_OPTIONS)
+  };
+
+  return this;
+};
+
+module.exports = TOTP;
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@@ -13,7 +13,15 @@
   "keywords": [],
   "author": "lintry <shenlin00@gmail.com>",
   "license": "MIT",
+  "files": [
+    "/*",
+    "!/.*",
+    "!/test"
+  ],
   "dependencies": {
+    "kml-crypto-utils": "git+ssh://git@gitlab.kmlab.com:comm/crypto-utils.git#1.1.7",
+    "lodash": "^4.17.4",
+    "qr-image": "^3.2.0",
     "speakeasy": "^2.0.0"
   }
 }

+/**
+ * Created by lintry on 2017/5/19.
+ */
+
+const Authenticator = require('../lib/authenticator');
+const chalk = require('chalk');
+const fs = require('fs-extra');
+const path = require('path');
+
+let secret = 'vH6OdbUEjSukTqlDvW3TYdusjiOIkxRnAHNTjJewfZa5yNueG9wx1N9pJMFOmPAV';
+let authenticator = new Authenticator(secret);
+
+console.log(chalk.cyan('totp的secret'));
+console.log(secret);
+
+let token = process.argv[2];
+if (!token) {
+  token = authenticator.totp();
+  console.error(chalk.red('none token found, we generate a new token instead'), token);
+  return;
+}
+console.log(chalk.green('token is'), token);
+
+let verify = authenticator.verify(token);
+console.log(chalk.magenta('verify is '), (verify ? chalk.green : chalk.red)(verify));
+console.log(chalk.blue('verifyDelta is '), authenticator.verifyDelta(token));
+
+
+let img_path = path.resolve(process.cwd(), 'img');
+let qr = path.resolve(img_path, 'qr.svg');
+
+fs.ensureDir(img_path, function (err, added_root) {
+  if (err) {
+    return console.error(chalk.red('create folder error'), chalk.red(JSON.stringify(err, null, 4)));
+  }
+  added_root && console.log(chalk.green(img_path + ' is created'));
+
+  let fd = fs.openSync(qr, 'w');
+  fs.writeSync(fd, authenticator.getQR('totp@gitlab.kmlab.com', '通行密钥'));
+  fs.closeSync(fd);
+
+  console.log(chalk.yellow(authenticator.getOtpAuth('totp@gitlab.kmlab.com', '通行密钥')))
+});
+
+console.log('QR SVG output is', img_path, qr);
\ No newline at end of file

+/**
+ * Created by lintry on 2017/5/19.
+ */
+
+const TOTP = require('../lib/totp');
+const chalk = require('chalk');
+const fs = require('fs-extra');
+
+let totp = new TOTP();
+
+let secret = totp.createSecret();
+console.log(chalk.cyan('创建totp的secret'));
+console.log(secret);
+
+console.log(chalk.magenta('secret'), secret);
+
+let authenticator = totp.parse(secret);
+
+console.log(authenticator.totp_options);
+
+let token = authenticator.totp();
+console.log(chalk.green('token is'), token);
+
+console.log(chalk.magenta('verify is '), authenticator.verify(token));
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