Custom authentication plugin for Hapi using Bearer tokens

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1635.0.76 years ago10 years agoMinified + gzip package size for hapi-auth-bearer-simple in KB


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Hapi authentication plugin
hapi Bearer Token Authentication Scheme


The plugin requires validating a token passed in by the bearer authorization header or via the access_token query param. The validation function is something you have to provide to the plugin.


var validateFunction = function (token, callback) {

    // Use a real strategy here to check if the token is valid
    if (token === 'abc456789') {
        callback(null, true, userCredentials);
    else {
        callback(null, false, userCredentials);

server.register(require('hapi-auth-bearer-simple'), function (err) {

    if (err) {
        throw err;

    server.auth.strategy('bearer', 'bearerAuth', {
        validateFunction: validateFunction

    // Add a standard route here as example
        method: 'GET',
        path: '/',
        handler: function (request, reply) {

            reply({ success: true });
        config: {
            auth: {
                strategy: 'bearer',
                scope: 'user' // or [ 'user', 'admin' ]

    server.start(function (err) {

        if (err) {
            throw err;

        server.log([],'Server started at: ' + server.info.uri);

  • validateFunction - (required) a token lookup and validation function with the signature function (token, callback)
- `token` - the auth token received from the client.
- `callback` - a callback function with the signature `function (err, isValid, credentials)` where:
    - `err` - any error.
    - `isValid` - `true` if both the username was found and the password matched, otherwise `false`.
    - `credentials` - an object passed back to the plugin and which will become available in the `request`object as `request.auth.credentials`. Normally credentials are only included when `isValid`is `true`.
  • exposeRequest - (optional / advanced) If set to true the validateFunction's this will be set to the request. This can be usefull if you have plugins that expose certain functions/objects on the request object and you want to use them in your validateFunction.


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