I am designing an ASP.NET Core based Web API, which needs to support multiple variants of my product, let's say based on a license or the variety which it was installed.
Instead of going for multiple services for each type of product, I thought of a single service which houses/hosts multiple Endpoints or URLs. I will make this configurable in the appsettings.json at the time of installation.
I am aware of the UseUrls on creating the WebHost, but can I bind the specific URL in a set of URLs to specific Controllers?
Code:
WebHost.CreateDefaultBuilder(args)
.UseUrls("http://localhost:5000;http://localhost:5001;https://localhost:5002")
Expect
https://localhost:5000/ --> Product1Controller
https://localhost:5001/ --> Product2Controller
https://localhost:5002/ --> Product2Controller
I am new to the ASP.NET Core, please help me if this is achievable or not. Thanks in advance.
A workaround is to add custom Constraint on api controller which is enabled with specific port.
1.Create a PortActionConstraint class:
[AttributeUsage(AttributeTargets.Class)]
public class PortActionConstraint : ActionMethodSelectorAttribute
{
public PortActionConstraint(int port)
{
Port = port;
}
public int Port { get; }
public override bool IsValidForRequest(RouteContext routeContext, ActionDescriptor action)
{
//external port
var externalPort = routeContext.HttpContext.Request.Host.Port;
//local port
var localPort = routeContext.HttpContext.Connection.LocalPort;
//write here your custom logic. for example
return Port == localPort;
}
}
2.Add attribute with correspond port number on all controller like
[PortActionConstraint(5000)]
[Route("api/[controller]")]
[ApiController]
public class Product1Controller : ControllerBase
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