C# web api authentication using Microsoft Account

Question

I have an Angular frontend app and a web api. For my Angular, I'm using Msal.js for authenticating. It's working already, I get redirected to Microsoft login page then I get the user details and the token.

The problem is even when I use the token as Authorization: Bearer '{my token}' header, the Web API still returns a 401 Unauthorized error.

I've used this guide for my web api authentication. All my apps are still local.

Jean-Marc Prieur · Accepted Answer · 2017-09-03 03:16:19Z

2

Sorry. The Azure AD V2 endpoint (which msal uses) does not support yet getting a token for a Web API which is different than your web application.

If this is an option for you to have your Angular frontend being the same App as your WebAPI, I suggest you have a look at https://github.com/Azure-Samples/active-directory-javascript-singlepageapp-dotnet-webapi-v2.

Otherwise, if this is not suitable, I'd advise you to wait a bit: we expect the missing capability to be available soon.

answered Sep 3, 2017 at 3:16

Jean-Marc Prieur

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Jed Over a year ago

It's okay now, my web app is inside my web api I got it working now.

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