> For the complete documentation index, see [llms.txt](https://openai.gitbook.io/code-cheatsheets/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://openai.gitbook.io/code-cheatsheets/js/all/node/packages/passport.md).

# Passport

```
npm install passport
```

Easily integrate different logins with an authentication middleware

```js
app.post('/login', passport.authenticate('local', { successRedirect: '/',
                                                    failureRedirect: '/login' }));
```

## Google

```javascript
npm install passport-google-oauth20
```

1. Get a Google\_client\_id and secret by creating a project at <https://console.developers.google.com/apis/dashboard> and making an Oauth 2.0 client in credentials
2.

```javascript
const passport = require('passport');
const GoogleStrategy = require('passport-google-oauth20').Strategy;

passport.use(new GoogleStrategy({
    clientID: GOOGLE_CLIENT_ID,
    clientSecret: GOOGLE_CLIENT_SECRET,
    callbackURL: "http://www.example.com/auth/google/callback"
  },
  function(accessToken, refreshToken, profile, cb) {
    User.findOrCreate({ googleId: profile.id }, function (err, user) {
      return cb(err, user);
    });
  }
));
```