Xabaril/AspNetCore.Diagnostics.HealthChecks

Unable to use Google Authentication with Healthchecks UI

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#1536 opened on Nov 11, 2022

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UIhelp wanted

Description

What happened: After adding

        services
            .AddHealthChecksUI()
            .AddInMemoryStorage();

and

 app.UseRouting()
       .UseEndpoints(config => config.MapHealthChecksUI());

to my Blazor application I am no longer able to authenticate using Google authentication.

What you expected to happen: I expected to continue to authenticate with Google. I expected MapHealthChecksUI would have no effect on my application's authentication.

How to reproduce it (as minimally and precisely as possible): Configure an application to use Google Authentication then add

 app
            .UseRouting()
            .UseEndpoints(config => config.MapHealthChecksUI());

and

        services
            .AddHealthChecksUI()
            .AddInMemoryStorage();

to program.cs, run the application and attempt to log in using Google Authentication.

Source code sample:

Anything else we need to know?:

When I attempt to authenticate I get: Access blocked: This app’s request is invalid You can’t sign in because this app sent an invalid request. Error 400: redirect_uri_mismatch

Environment:

  • .NET Core version:
    • 6.0.305
  • Healthchecks version:
    • AspNetCore.HealthChecks.UI 6.0.5
  • Operative system:
    • Windows 11 22H2 (Enterprise)
  • Others:

Contributor guide

Tech stack
csharp
Domain
backendauthentication
Issue type
bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
stale
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
clear
Prerequisites
Understanding of ASP.NET Core middleware pipelineFamiliarity with Google OAuth configuration
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
45
Research direction
Investigate the middleware order in Program.cs or Startup.cs. The issue likely occurs because MapHealthChecksUI() introduces a middleware that interferes with the redirect URI for Google authentication. Check if UseAuthentication() is placed before UseEndpoints() and if the redirect URI is correctly configured in the Google OAuth client. Refer to the HealthChecksUI documentation and the Google authentication setup guide for Blazor applications.