Попробуйте:
В контроллере:
string myHostUrl = $"{HttpContext.Request.Scheme}://{HttpContext.Request.Host}";
За пределами контроллера:
public class YourClass
{
private readonly IHttpContextAccessor _httpContextAccessor;
public YourClass(IHttpContextAccessor httpContextAccessor)
{
_httpContextAccessor = httpContextAccessor;
}
public void YourMethod()
{
string myHostUrl = $"{_httpContextAccessor.HttpContext.Request.Scheme}://{_httpContextAccessor.HttpContext.Request.Host}";
}
}
А затем зарегистрируйте IHttpContextAccessor
в классе запуска следующим образом:
public void ConfigureServices(IServiceCollection services)
{
services.TryAddSingleton<IHttpContextAccessor, HttpContextAccessor>();
// Or you can also register as follows
services.AddHttpContextAccessor();
}