Setup Guide for Azure B2C OAuth / OpenID Connect App

Step 1: Setup Azure Active Directory B2C as OAuth Provider

Please make sure you are in the Azure AD B2C directory with an active subscription and if not, you can switch to the correct directory.

Now, click on App registrations and then click on the New registration option to create a new Azure b2c application.

Enter a name for your application under the Name text field.
In supported account types, select 3rd option ‘Accounts in any identity provider or organizational directory (for authenticating users with user flows)’
In the Redirect URI section, select the Web application and enter the Callback URL from the miniOrange OAuth Client plugin (Configure OAuth tab) and save it under the Redirect URL textbox.
Click on the Register button to create your application.

After successful application creation, you will be redirected to the newly created application’s overview page. If not, you can go to the app registrations and search the name of your application and you will find your application in the list.

Copy your Application ID and save it under your Client ID textbox in your miniOrange OAuth Client plugin.

For the Azure B2C tenant, copy the domain name under Essentials in the home page and save it. We will require it later.

Then click on Certificates and secrets and then click on New client secret to generate a client secret. Enter a description and click on the Add button.

Copy the secret value from certificates & secrets page and store it as a Client secret in your miniOrange OAuth Client plugin.

Select Create Azure AD B2C user. Then, click on Email from sign in method and set your password and click create to save the user details to perform test configuration.

Select a User flow type Sign up and Sign in then click on Create button.

Fill all the information e.g. Name, Identity providers, etc. then click on Create button.

Copy the Policy name this value whenever you need to enter Azure B2C Policy in miniOrange OAuth Client plugin.

Go to user flows under policies in the left corner.Select the configured policy.

Select the desired attributes to be displayed on the test configuration and save it.

Azure B2C Endpoints and Scope:

Scope:	openid
Authorize Endpoint:	https://<tenant-name >.b2clogin.com/<tenant-name>.onmicrosoft.com/<policy-name>/oauth2/v2.0/authorize
Access Token Endpoint:	https://<tenant-name>.b2clogin.com/<tenant-name>.onmicrosoft.com/<policy-name>/oauth2/v2.0/token
Get User Info Endpoint:	https://graph.microsoft.com/v1.0/me
Custom redirect URL after logout: [optional]	https://<tenant-name>.b2clogin.com/<tenant-name>.onmicrosoft.com/<policy-name>/oauth2/v2.0/logout?post_logout_redirect_uri=<your url>