passport-token-vkontakte
Passport strategy for authenticating with VK using the OAuth 2.0 API.
This module lets you authenticate using VK in your Node.js applications. By plugging into Passport, VK authentication can be easily and unobtrusively integrated into any application or framework that supports Connect-style middleware, including Express.
Install
$ npm install passport-token-vkontakte
Usage
Configure Strategy
The VK authentication strategy authenticates users using a VK
account and OAuth 2.0 tokens. The strategy requires a verify
callback, which
accepts these credentials and calls done
providing a user, as well as
options
specifying an app ID and app secret.
passport.use(new TokenVkontakteStrategy({
clientID: VK_APP_ID,
clientSecret: VK_APP_SECRET
},
function(accessToken, refreshToken, profile, done) {
User.findOrCreate({ vkId: profile.id }, function (err, user) {
return done(err, user);
});
}
));
Authenticate Requests
Use passport.authenticate()
, specifying the 'token-vkontakte'
strategy, to
authenticate requests.
For example, as route middleware in an Express application:
app.get('/auth/token-vkontakte',
passport.authenticate('token-vkontakte'),
function(req, res) {
// Successful authentication, redirect home.
res.redirect('/');
});
Profile Fields
The VK profile is very rich, and may contain a lot of information. The
strategy can be configured with a profileFields
parameter which specifies a
list of fields (named by Portable Contacts convention) your application needs.
For example, to fetch only user's VK ID, name, and picture, configure
strategy like this.
passport.use(new TokenVkontakteStrategy({
// clientID and clientSecret
profileFields: ['id', 'displayName', 'photos']
},
// verify callback
));
If profileFields
is not specified, the default fields supplied by VK
will be parsed.