[Feature Request] Support domain_hint in aad-starter

[glyoder]

Query/Question
I'm using the azure-spring-boot-starter-active-directory library to use azure active directory for login. But I need to pass a domain hint to the authorization url. Unforunately the authorization endpoint is hardcoded in AADAuthorizationServerEndpoints -- is there some way to override this that I'm missing?

Why is this not a Bug or a feature Request?
There may be a simple way to do this that I'm not aware of.

Setup (please complete the following information if applicable):

• OS: Linux
• IDE : IntelliJ
• Version of the Library used: 3.4.0

Information Checklist
Kindly make sure that you have added all the following information above and checkoff the required fields otherwise we will treat the issuer as an incomplete report

• Query Added
• Setup information Added

[joshfree]

@stliu could you follow up with @glyoder

[chenrujun]

Hi, @glyoder .
Thanks for reaching out.

1. Now azure-spring-boot-starter-active-directory does not support domain hint.
2. But azure-spring-boot-starter-active-directory-b2c supports domain hint.

My current plan is to implement this feature before 2021-08-06 (Milestone: [2021] August).
I will very appreciate it if you can create a PR.

Refs:

1. azure-spring-boot-starter-active-directory-b2c supports domain hint:
   1.1. https://github.com/Azure/azure-sdk-for-java/tree/azure-spring-boot-starter-active-directory-b2c_3.4.0/sdk/spring/azure-spring-boot-starter-active-directory-b2c#configure-and-compile-your-app
   1.2. https://github.com/Azure/azure-sdk-for-java/blob/azure-spring-boot-starter-active-directory-b2c_3.4.0/sdk/spring/azure-spring-boot/src/main/java/com/azure/spring/autoconfigure/b2c/AADB2CProperties.java#L89
   1.3. https://github.com/Azure/azure-sdk-for-java/blob/azure-spring-boot-starter-active-directory-b2c_3.4.0/sdk/spring/azure-spring-boot/src/main/java/com/azure/spring/autoconfigure/b2c/AADB2CAuthorizationRequestResolver.java#L87

2. If we need to let azure-spring-boot-starter-active-directory supports domain hint:
   2.1. https://github.com/Azure/azure-sdk-for-java/blob/azure-spring-boot-starter-active-directory-b2c_3.4.0/sdk/spring/azure-spring-boot/src/main/java/com/azure/spring/autoconfigure/aad/AADAuthenticationProperties.java
   2.2. https://github.com/Azure/azure-sdk-for-java/blob/azure-spring-boot-starter-active-directory-b2c_3.4.0/sdk/spring/azure-spring-boot/src/main/java/com/azure/spring/aad/webapp/AADOAuth2AuthorizationRequestResolver.java#L21

[chenrujun]

Closing this issue because related PR has been merged.