elysia-bearer's Introduction

@elysiajs/bearer

Plugin for elysia for retrieving Bearer token.

This plugin is for retrieving a Bearer token specified in RFC6750.

This plugin DOES NOT handle authentication validation for your server, rather the plugin leaves the decision for developers to apply logic for handle validation check themself.

Installation

bun add @elysiajs/bearer

Example

import { Elysia } from 'elysia'
import { bearer } from '@elysiajs/bearer'

const app = new Elysia()
    .use(bearer())
    .get('/sign', ({ bearer }) => bearer, {
        beforeHandle({ bearer, set }) {
            if (!bearer) {
                set.status = 400
                set.headers[
                    'WWW-Authenticate'
                ] = `Bearer realm='sign', error="invalid_request"`

                return 'Unauthorized'
            }
        }
    })
    .listen(8080)

API

This plugin decorates bearer into Context.

bearer

Extracted bearer token according to RFC6750, is either string or undefined,

If is undefined, means that there's no token provided.

Config

Below is the configurable property for customizing the Bearer plugin.

Extract

Custom extractor for retrieving tokens when the API doesn't compliant with RFC6750.

/**
 * If the API doesn't compliant with RFC6750
 * The key for extracting the token is configurable
 */
extract: {
    /**
     * Determined which fields to be identified as Bearer token
     *
     * @default access_token
     */
    body?: string
    /**
     * Determined which fields to be identified as Bearer token
     *
     * @default access_token
     */
    query?: string
    /**
     * Determined which type of Authentication should be Bearer token
     *
     * @default Bearer
     */
    header?: string
}

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