how to write custom keycloak themes api

[vidhyadharan D]

Hi,

I see redhat keycloak themes https://sso.redhat.com/ have apis such as loginExists, https://sso.redhat.com/auth/realms/redhat-external/rhdtools/loginExists , usernameUsed https://sso.redhat.com/auth/realms/redhat-external/rhdtools/usernameUsed These API 's are custom designed ? Could you please explain how to write custom theming keycloak api. I would like to expose an api for password policies , so that I can customize on the client side.

Thanks,

vidhya 

[Garth]

Looks like they have added the `loginExists` and `usernameUsed` functions as REST extensions. You can do the same by creating a custom `RealmResourceProvider`:
https://www.keycloak.org/docs/latest/server_development/#_extensions_rest

Custom theme documentation is here:
https://www.keycloak.org/docs/latest/server_development/#_themes
Also, I created a template to help you start making your own theme:
https://github.com/xgp/keycloak-theme-template

Ask further questions here if you get stuck.

On Mon, Mar 22, 2021, at 5:23 PM, vidhyadharan D wrote:
> Hi,
>
> I see redhat keycloak themes https://sso.redhat.com/ have apis such as

> *loginExists*,
> https://sso.redhat.com/auth/realms/redhat-external/rhdtools/loginExists
> , *usernameUsed*

> https://sso.redhat.com/auth/realms/redhat-external/rhdtools/usernameUsed These API 's are custom designed ? Could you please explain how to write custom theming keycloak api. I would like to expose an api for password policies , so that I can customize on the client side.
>
> Thanks,
> vidhya
>

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[vidhyadharan D]

By default we authenticate with OAuth token , whereas in themes we don’t have user ID/ password , how this REST extension works . 

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