Node.js 无法从facebook获取passport

在学习passport中间件时，我试图将其与新的Express 4路由器功能集成

但在尝试passport facebook中间件时，使用以下代码：

router.route('/auth/facebook')
    .get(passport.authenticate('facebook', {scope : 'email'}));

router.route('auth/facebook/callback')
    .get( passport.authenticate('facebook', {
        successRedirect : '/profile',
        failureRedirect : '/'
    }));

我遇到了以下问题：

Error: read ETIMEDOUT
at Strategy.OAuth2Strategy._createOAuthError (/Users/home/WorkSpaces/MEAN/EasyAuth/node_modules/passport-facebook/node_modules/passport-oauth2/lib/strategy.js:348:17)
at /Users/home/WorkSpaces/MEAN/EasyAuth/node_modules/passport-facebook/node_modules/passport-oauth2/lib/strategy.js:171:43
at exports.OAuth2.getOAuthAccessToken (/Users/home/WorkSpaces/MEAN/EasyAuth/node_modules/passport-facebook/node_modules/passport-oauth2/node_modules/oauth/lib/oauth2.js:177:18)
at ClientRequest.exports.OAuth2._executeRequest (/Users/home/WorkSpaces/MEAN/EasyAuth/node_modules/passport-facebook/node_modules/passport-oauth2/node_modules/oauth/lib/oauth2.js:148:5)
at ClientRequest.emit (events.js:95:17)
at CleartextStream.socketErrorListener (http.js:1551:9)
at CleartextStream.emit (events.js:95:17)
at Socket.onerror (tls.js:1455:17)
at Socket.emit (events.js:117:20)
at Socket._destroy.self._writableState.errorEmitted (net.js:440:14) 

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请看下面的优秀教程

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ETIMEDOUT可能是无效的重定向uri，但很难从错误消息中分辨出来。

谢谢，是的，我正在查看此tut，但它仍然使用express 3样式的app.get函数；我正在尝试将其迁移到express 4风格的router.rout风格的代码中。但似乎效果不太好有一部分他们展示了到Express4的迁移。最后一页。