ASP.NET Core Identity Authorization using Parameter for Team Membership

Question

I have an application with tables like this:

• User (ASP.NET Core Identity)
• Team
• UserTeam (many-to-many join table)

Users can be mem

Answer 1

In Net Core 3, use the following answer above, https://stackoverflow.com/a/48390808/14727392 with comment listed "context.Resource as AuthorizationFilterContext" returning null in ASP.NET Core 3.0

protected override Task HandleRequirementAsync(AuthorizationHandlerContext context, CookieOrTokenAuthorizationRequirement requirement)
{
    if (context.Resource is Endpoint endpoint)
    {
        if endpoint.Metadata.OfType().Any(filter=> filter.Policy == "HasAdminTeamAccess")

        var teamId = _httpContextAccessor.HttpContext.GetRouteData().Values["teamId"]
        if (context.User.IsTeamAdmin(teamId))
        {
            context.Succeed(requirement);
        }
        else
        {
            context.Fail();
        }
    }
}