Mismatch in Issuer Validation with Auth0: Trailing Slash in Discovery Endpoint

[mtfu]

Hello,

I am trying to configure GoGatekeeper to work with Auth0 as the OIDC provider. However, I am encountering an issue where GoGatekeeper fails due to a mismatch in the issuer URL provided by Auth0's discovery endpoint.

Auth0 includes a trailing slash in the issuer field of its discovery document, as shown below:

{
  "issuer": "https://my-custom-domain.eu.auth0.com/"
}

GoGatekeeper appears to compare the configured oidc-issuer-url without the trailing slash, resulting in a mismatch and the following error:

failed to get provider configuration from discovery {"error": ""issuer" in config (https://my-custom-domain.eu.auth0.com/) does not match provided issuer URL (https://my-custom-domain.eu.auth0.com)"}

I looked into the documentation but couldn't find an option to set the issuer manually or configure GoGatekeeper to handle this discrepancy.

My Questions:
Does anyone know if there’s a way to:

1. Configure GoGatekeeper to handle the trailing slash in the issuer comparison?
2. Explicitly set the issuer in the configuration to work around this issue?

Any guidance or suggestions would be greatly appreciated.

Thank you!

Regards,
Michael