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POConnect Local Users to Facebook/Twitter with PassortJS
 

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  1. POConnect Local Users to Facebook/Twitter with PassortJS
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    <p>I have an existing user base, that I want to allow them to link with their Facebook/Twitter Accounts. Looks like I can use passportjs but am having difficulty,</p> <p>Right now, a url pass in their user/pass, I do a local stragety, and look up the user. Then I want to perform an authorize I presume. I get the facebook promopts asking if I want to allow, and I hit the callback with the accessToken, but I have no way to tie that token to an existing user in my db as I see now way to get the request info.</p> <pre><code>passport.serializeUser(function(user, done) { done(null, user); }); passport.deserializeUser(function(user, done) { Users.findOne({_id: user._id}, function(err, user) { return done(err, user); }); }); passport.use(new LocalStrategy({ passReqToCallback: true }, function(req, username, password, done) { Users.findOne({_id: username}, function(err, user) { return done(null, user); }); } )); passport.use(new FacebookStrategy({ clientID: 'xxxx', clientSecret: 'xxxx', callbackURL: "http://xxxx/facebook/callback", passReqToCallback: true }, function(req, accessToken, refreshToken, profile, done) { // How would I get access to the user found in the LocalStrategy here so I can associate the accessToken to the user in the db? console.log(accessToken); console.log(refreshToken); var err = null; var user = {}; return done(err, user); } )); server.get('/facebook', passport.authenticate('local', { failureRedirect: '/login', failureFlash: true }), function (req, res) { if (req &amp;&amp; req.user) { passport.authorize('facebook', { scope: ['publish_actions','manage_pages'] })(req, res); } }); server.get('/facebook/callback', passport.authorize('facebook', { failureRedirect: '/facebook/failure', successRedirect: '/facebook/success' }), function(req, res) { res.redirect('/'); } ); </code></pre>
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    1. USMartijn Pieters
    1. USBigPoppa
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    1. COCheck out [this guide](http://passportjs.org/guide/authorize/) from the Passport website, it describes how to associate third-party accounts with existing users.
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      1. POConnect Local Users to Facebook/Twitter with PassortJS
      1. USrobertklep
 

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