asp.net - Passing Error from HttpModule to MVC Application -

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i have custom httpmodule authentication. in authenticaterequest event handler of module check if custom sso ticket available , in case perform authentication logic.

if sso ticket available, incorrect, show friendly error message user. prefer able somehow set http status 401 (unauthorized, used when authentication fails) , pass on meaningful error message http module.

i mvc application somehow information , use render custom 401 error page includes meaningful error message module.

what's best way raise error in http module , what's best way have display error using mvc application (to error message in mvc application's layout)?

you create custom controllerfactory, , in your:

protected override icontroller getcontrollerinstance(requestcontext context, type controllertype)

you have access httpcontext , routedata through context object. if user not authenticated can manipulate routedata targed desired controller/action desired routeconstraints/parameters (for instance http status message)


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