cantina-auth-facebook

Facebook authentication for Cantina.

Dependencies

• auth - Authentication support provided by cantina-auth

Adds Middleware

• Facebook authentication middleware under the authURL route.

Configuration

• successRedirect - Where to redirect after the authentication succeeds.
• failureRedirect - Where to redirect if the authentication fails.
• clientID - Facebook app client id.
• clientSecret - Facebook app client secret.
• callbackURL - Callback URL (publicly accessible) for authentication.
• authURL - A path to initiation the authentication process.
• scope - ?

Defaults

{
  'auth-facebook': {
    successRedirect: '/',
    failureRedirect: '/',
    authURL: '/login'
  }
}

Usage

Your application MUST provide handlers for serializing, deserializing, and verifying users.

• app.serializeUser
• app.deserializeUser
• app.verifyFacebookUser

Example

var app = require('cantina').createApp();
 
app.boot(function(err) {
  if (err) return console.error(err);
 
  app.conf.add({
    'auth-facebook': {
      clientID: 'your id here',
      clientSecret: 'your secret here',
      callbackURL: 'http://mydomain.com/auth/facebook/callback',
      authURL: '/login/facebook',
      scope: 'email'
    }
  });
 
  app.serializeUser = function(user, cb) {
    return cb(null, user);
  };
  app.deserializeUser = function(obj, cb) {
    return cb(null, obj);
  };
  app.verifyFacebookUser = function(token, tokenSecret, profile, done) {
    return done(null, profile);
  };
 
  app.require('cantina-web');
  app.require('cantina-redis');
  app.require('cantina-session');
  app.require('cantina-auth');
  app.require('cantina-auth-facebook');
 
  app.start(function(err) {
    if (err) return console.error(err);
 
    app.middleware.get('/', function index(req, res) {
      res.writeHead(200, {'Content-Type': 'text/html; charset=utf-8'});
      if (req.isAuthenticated()) {
        res.end('Welcome, <a href="https://facebook.com/' + req.user.username + '">' + req.user.displayName + '</a>!');
      }
      else {
        res.end('<a href="/login/facebook">click here to login via Facebook</a>');
      }
    });
  });
});

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Developed by Terra Eclipse

Terra Eclipse, Inc. is a nationally recognized political technology and strategy firm located in Santa Cruz, CA and Washington, D.C.