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import { AuthenticationException } from '@adonisjs/auth/build/standalone' |
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import type { GuardsList } from '@ioc:Adonis/Addons/Auth' |
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import type { HttpContextContract } from '@ioc:Adonis/Core/HttpContext' |
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/** |
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* Auth middleware is meant to restrict un-authenticated access to a given route |
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* or a group of routes. |
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* |
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* You must register this middleware inside `start/kernel.ts` file under the list |
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* of named middleware. |
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*/ |
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export default class AuthMiddleware { |
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/** |
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* The URL to redirect to when request is Unauthorized |
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*/ |
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protected redirectTo = '/login' |
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/** |
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* Authenticates the current HTTP request against a custom set of defined |
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* guards. |
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* |
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* The authentication loop stops as soon as the user is authenticated using any |
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* of the mentioned guards and that guard will be used by the rest of the code |
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* during the current request. |
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*/ |
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protected async authenticate(auth: HttpContextContract['auth'], guards: (keyof GuardsList)[]) { |
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/** |
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* Hold reference to the guard last attempted within the for loop. We pass |
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* the reference of the guard to the "AuthenticationException", so that |
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* it can decide the correct response behavior based upon the guard |
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* driver |
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*/ |
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let guardLastAttempted: string | undefined |
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for (let guard of guards) { |
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guardLastAttempted = guard |
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if (await auth.use(guard).check()) { |
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/** |
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* Instruct auth to use the given guard as the default guard for |
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* the rest of the request, since the user authenticated |
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* succeeded here |
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*/ |
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auth.defaultGuard = guard |
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return true |
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} |
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} |
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/** |
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* Unable to authenticate using any guard |
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*/ |
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throw new AuthenticationException( |
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'Unauthorized access', |
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'E_UNAUTHORIZED_ACCESS', |
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guardLastAttempted, |
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this.redirectTo, |
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) |
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} |
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/** |
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* Handle request |
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*/ |
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public async handle ( |
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{ auth }: HttpContextContract, |
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next: () => Promise<void>, |
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customGuards: (keyof GuardsList)[] |
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) { |
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/** |
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* Uses the user defined guards or the default guard mentioned in |
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* the config file |
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*/ |
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const guards = customGuards.length ? customGuards : [auth.name] |
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await this.authenticate(auth, guards) |
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await next() |
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} |
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} |
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ikechukwukalu /
food-hut-adonisjs
