In AuthorizationValidationRule.cs the method CheckAuth is called multiple times. Why? about authorization HOT 4 CLOSED

public class UserExistsRequirement : IAuthorizationRequirement
{
    public Task Authorize(AuthorizationContext context)
    {
        // this is the authenticated user
        var user = context.User;

        // check DB here
        return Task.CompletedTask;
    }
}

public static class AuthorizationPolicyBuilderExtensions
{
    public static AuthorizationPolicyBuilder UserExists(this AuthorizationPolicyBuilder builder)
    {
        builder.AddRequirement(new UserExistsRequirement());
        return builder;
    }
}

// build your policy
var authSettings = new AuthorizationSettings();
authSettings.AddPolicy("UserExists", p => p.RequireAuthenticatedUser().UserExists());


// apply the policy to the graph type

/// <summary>
/// CLR type to map to the 'Query' graph type.
/// </summary>
public class Query
{
    /// <summary>
    /// Resolver for 'Query.viewer' field.
    /// </summary>
    [GraphQLAuthorize(Policy = "UserExists")]
    public User Viewer() => new User { Id = Guid.NewGuid().ToString(), Name = "Quinn" };
}