Using JWT for authentication in an ionic 3 application

Question

I have an ionic 3 application where I want to use the touchId feature.

The backend API is being developed in .net.

For my authentication model, I'm thinking that after a user enters a login name and password and is authenticated by the server, it sends back a JWT token.

I can store the token locally and then every time a user uses the touchId it checks if a token is stored locally, then matches that token to the server and that will allow access.

Is this how it works?

Fateh Mohamed · Accepted Answer · 2018-03-29 15:12:21Z

5

you can use angular2-jwt, it works perfectly and send your token automatically with all your http requests and you can manage your token expiration very easy

you can only give the source of your access token in your config file from ionic storage, here is the config for ionic:

import { JwtModule, JWT_OPTIONS } from '@auth0/angular-jwt';
import { Storage } from '@ionic/storage';

export function jwtOptionsFactory(storage) {
return {
  tokenGetter: () => {
   return storage.get('access_token');
 }
}
}


@NgModule({

imports: [
 JwtModule.forRoot({
    jwtOptionsProvider: {
    provide: JWT_OPTIONS,
    useFactory: jwtOptionsFactory,
    deps: [Storage]
  }
})
]})

answered Mar 29, 2018 at 15:12

Fateh Mohamed

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1 Comment

cnak2 Over a year ago

Hi Fateh, thanks!. Will this work with .net core on the back end?

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