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import { GuardsList } from '@ioc:Adonis/Addons/Auth';
import { HttpContextContract } from '@ioc:Adonis/Core/HttpContext';
import { AuthenticationException } from '@adonisjs/auth/build/standalone';
/**
* This is actually a reverted a reverted auth middleware available in ./Auth.ts
* provided by the AdonisJS project iself.
*/
export default class GuestMiddleware {
/**
* The URL to redirect to when request is authorized
*/
protected redirectTo = '/dashboard';
protected async authenticate(
auth: HttpContextContract['auth'],
guards: (keyof GuardsList)[],
) {
let guardLastAttempted: string | undefined;
for (const guard of guards) {
guardLastAttempted = guard;
// eslint-disable-next-line no-await-in-loop
if (await auth.use(guard).check()) {
auth.defaultGuard = guard;
throw new AuthenticationException(
'Unauthorized access',
'E_UNAUTHORIZED_ACCESS',
guardLastAttempted,
this.redirectTo,
);
}
}
}
/**
* Handle request
*/
public async handle(
{ auth }: HttpContextContract,
next: () => Promise<void>,
customGuards: (keyof GuardsList)[],
) {
/**
* Uses the user defined guards or the default guard mentioned in
* the config file
*/
const guards = customGuards.length > 0 ? customGuards : [auth.name];
await this.authenticate(auth, guards);
await next();
}
}
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