How to handle errors from SSO server?

[VladislavOshkanov]

Hi!
I need to handle errors from SSO server in my app, for example, if I got 404 on SSO url.
How can I handle this error in my app in order to prevent app from crash and show error message to user?
Thanks

[FabianGosebrink]

So my first try would be first: Wrapping the promise in the APP_INITILIZER and catch the errors, then redirect the user or show an alert or something, or in the main.ts catch the bootstrap fail of the app and do something there. Hope this helps.

[MGAMAL-SFI]

I have same issue my app crash when sso is down why?

[FabianGosebrink]

@mgamal-dev have you read my previous answer?

[MGAMAL-SFI]

Yeah, but I have some component will be public and not secured it is also crashed
When I add catch block it doesn't mean the app will show this page correctly

[FabianGosebrink]

You have to wrap the promise and catch errors with a reject/resolve. Did not try it out but I think this should work.

@VladislavOshkanov can you show me the configuration please?

You have to make sure the app can start by catching the Promise and resolving it. Currently you can ask for the config and check for null. I have a PR which introduces an event if the authwellknown could not have been loaded.

export function configureAuth(oidcConfigService: OidcConfigService) {
    return () => {
        return new Promise((resolve, reject) => {
            oidcConfigService
                .withConfig({
                    <your config>
                })
                .then(() => resolve(true))
                .catch(() => resolve(false));
        });
    };
}