keycloak-scim/docs/documentation/server_admin/topics/identity-broker/suggested.adoc
Jon Koops 021a2af2fd
Compute SHA-256 digest for PKCE using the Web Crypto API (#33251)
Closes #33250

Signed-off-by: Jon Koops <jonkoops@gmail.com>
2024-09-25 16:19:16 +02:00

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[[_client_suggested_idp]]
=== Client-suggested Identity Provider
OIDC applications can bypass the {project_name} login page by hinting at the identity provider they want to use. You can enable this by setting the `kc_idp_hint` query parameter in the Authorization Code Flow authorization endpoint.
With {project_name} OIDC client adapters, you can specify this query parameter when you access a secured resource in the application.
For example:
[source,bash,subs=+attributes]
----
GET /myapplication.com?kc_idp_hint=facebook HTTP/1.1
Host: localhost:8080
----
In this case, your realm must have an identity provider with a `facebook` alias. If this provider does not exist, the login form is displayed.
If you are using the JavaScript adapter, you can also achieve the same behavior as follows:
[source,javascript]
----
const keycloak = new Keycloak('keycloak.json');
await keycloak.createLoginUrl({
idpHint: 'facebook'
});
----
With the `kc_idp_hint` query parameter, the client can override the default identity provider if you configure one for the `Identity Provider Redirector` authenticator. The client can disable the automatic redirecting by setting the `kc_idp_hint` query parameter to an empty value.