Files
ScratchingPost/Routing/DeviceSlugConstraint.cs
T

29 lines
938 B
C#

using NoticeBoard.Data;
using Microsoft.EntityFrameworkCore;
namespace NoticeBoard.Routing;
public class DeviceSlugConstraint : IRouteConstraint
{
// Reserved paths that should NOT be treated as device slugs
private static readonly HashSet<string> ReservedPaths = new(StringComparer.OrdinalIgnoreCase)
{
"admin", "api", "d", "error", "css", "js", "lib", "uploads", "favicon.ico"
};
public bool Match(HttpContext? httpContext, IRouter? route, string routeKey,
RouteValueDictionary values, RouteDirection routeDirection)
{
if (values.TryGetValue(routeKey, out var value) && value is string slug)
{
// Block reserved paths
if (ReservedPaths.Contains(slug))
return false;
// Only match lowercase alphanumeric + hyphens
return slug.All(c => char.IsLetterOrDigit(c) || c == '-');
}
return false;
}
}