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    @passport-next/passport-oauth2

    2.1.4 • Public • Published

    passport-oauth2

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    General-purpose OAuth 2.0 authentication strategy for Passport.

    This module lets you authenticate using OAuth 2.0 in your Node.js applications. By plugging into Passport, OAuth 2.0 authentication can be easily and unobtrusively integrated into any application or framework that supports Connect-style middleware, including Express.

    Note that this strategy provides generic OAuth 2.0 support. In many cases, a provider-specific strategy can be used instead, which cuts down on unnecessary configuration, and accommodates any provider-specific quirks. See the list for supported providers.

    Developers who need to implement authentication against an OAuth 2.0 provider that is not already supported are encouraged to sub-class this strategy. If you choose to open source the new provider-specific strategy, please add it to the list so other people can find it.

    Install

    $ npm install @passport-next/passport-oauth2
    

    Usage

    Configure Strategy

    The OAuth 2.0 authentication strategy authenticates users using a third-party account and OAuth 2.0 tokens. The provider's OAuth 2.0 endpoints, as well as the client identifer and secret, are specified as options. The strategy requires a verify callback, which receives an access token and profile, and calls cb providing a user.

    passport.use(new OAuth2Strategy({
        authorizationURL: 'https://www.example.com/oauth2/authorize',
        tokenURL: 'https://www.example.com/oauth2/token',
        clientID: EXAMPLE_CLIENT_ID,
        clientSecret: EXAMPLE_CLIENT_SECRET,
        callbackURL: "http://localhost:3000/auth/example/callback"
      },
      function(accessToken, refreshToken, profile, cb) {
        User.findOrCreate({ exampleId: profile.id }, function (err, user) {
          return cb(err, user);
        });
      }
    ));

    Authenticate Requests

    Use passport.authenticate(), specifying the 'oauth2' strategy, to authenticate requests.

    For example, as route middleware in an Express application:

    app.get('/auth/example',
      passport.authenticate('oauth2'));
    
    app.get('/auth/example/callback',
      passport.authenticate('oauth2', { failureRedirect: '/login' }),
      function(req, res) {
        // Successful authentication, redirect home.
        res.redirect('/');
      });

    Strategy Options

    authorizationURL

    REQUIRED
    { authorizationURL: string }
    URL used to obtain an authorization grant

    tokenURL

    REQUIRED
    { tokenURL: string }
    URL used to obtain an access token

    clientID

    REQUIRED
    { clientID: string }
    The client identifier issued to the client by the OAuth 2.0 service.

    clientSecret

    REQUIRED
    { clientSecret: string }
    The client secret issued to the client by the OAuth 2.0 service.

    callbackURL

    OPTIONAL
    { callbackURL: string }
    URL to which the service provider will redirect the user after obtaining authorization. The URL can be relative or fully qualified; when relative, the original URL of the authorization request will be prepended to the relative URL.

    customHeaders

    OPTIONAL
    { customHeaders: Object }
    Custom headers you can pass along with the authorization request.

    parseIdToken

    OPTIONAL
    { parseIdToken: boolean }
    When set to true, the id token is used to construct the user profile instead of the access token (if the authentication response also includes an id token).

    passReqToCallback

    OPTIONAL
    { passReqToCallback: boolean }
    When set to true, the first argument sent to the verify callback is the request, http.IncomingMessage, (default: false)

    proxy

    OPTIONAL
    { proxy: boolean }
    Used when resolving a relative callbackURL. When set to true, req.headers['x-forwarded-proto'] and req.headers['x-forwarded-host'] will be used otherwise req.connection.encrypted and req.headers.host will be used.

    Note: if your webserver, e.g. Express, provides req.app.get and the value req.app.get('trust proxy') is set, proxy option will automatically be set to true.

    scope

    OPTIONAL
    { scope: Array|string }
    The scope of the access request made by the client of the OAuth 2.0 service. The scope is a list one or more strings, which are defined by the OAuth 2.0 service.

    When the scope is provided as a list of strings, each string should be separated by a single space, as per the OAuth 2.0 spec. When the scope is provided as an Array of strings, each array element will be joined by the scopeSeparator.

    scopeSeparator

    OPTIONAL
    { scopeSeparator: string }
    The separator used to join the scope strings when the scope is provided as an Array (default: single space).

    sessionKey

    OPTIONAL
    { sessionKey: string }
    The key to use to store the state string when the state option is set to true. (default: 'oauth2:' + url.parse(options.authorizationURL).hostname)

    skipUserProfile

    OPTIONAL
    { skipUserProfile: boolean }
    Whether or not to return the user profile information of the user granting authorization to their account information.

    state

    OPTIONAL
    { state: boolean }
    When set to true, a state string with be created, stored, sent along with the authentication request and verified when the response from the OAuth 2.0 service is received.

    store

    OPTIONAL
    { store: Function }
    The store to use when storing the state string (default: SessionStore, req.session[sessionKey], requires session middleware such as express-session). See the NullStore for an example of a store function.

    Contributing

    Tests

    The test suite is located in the test/ directory. All new features are expected to have corresponding test cases. Ensure that the complete test suite passes by executing:

    $ make test

    Coverage

    All new feature development is expected to have test coverage. Patches that increse test coverage are happily accepted. Coverage reports can be viewed by executing:

    $ make test-cov
    $ make view-cov

    Install

    npm i @passport-next/passport-oauth2

    DownloadsWeekly Downloads

    2,112

    Version

    2.1.4

    License

    MIT

    Unpacked Size

    35.1 kB

    Total Files

    16

    Last publish

    Collaborators

    • brettz9
    • rwky
    • adamhathcock
    • guyellis