server/src/Core/Models/TwoFactorProvider.cs

using System;
using System.Collections.Generic;
using System.Text.Json;
using Bit.Core.Enums;
using Fido2NetLib.Objects;

namespace Bit.Core.Models
{
    public class TwoFactorProvider
    {
        public bool Enabled { get; set; }
        public Dictionary<string, object> MetaData { get; set; } = new Dictionary<string, object>();

        public class WebAuthnData
        {
            public WebAuthnData() { }

            public WebAuthnData(dynamic o)
            {
                Name = o.Name;
                try
                {
                    Descriptor = o.Descriptor;
                }
                catch
                {
                    // Fallback for older newtonsoft serialized tokens.
                    if (o.Descriptor.Type == 0)
                    {
                        o.Descriptor.Type = "public-key";
                    }
                    Descriptor = JsonSerializer.Deserialize<PublicKeyCredentialDescriptor>(o.Descriptor.ToString(),
                        new JsonSerializerOptions { PropertyNameCaseInsensitive = true });
                }
                PublicKey = o.PublicKey;
                UserHandle = o.UserHandle;
                SignatureCounter = o.SignatureCounter;
                CredType = o.CredType;
                RegDate = o.RegDate;
                AaGuid = o.AaGuid;
                Migrated = o.Migrated;
            }

            public string Name { get; set; }
            public PublicKeyCredentialDescriptor Descriptor { get; internal set; }
            public byte[] PublicKey { get; internal set; }
            public byte[] UserHandle { get; internal set; }
            public uint SignatureCounter { get; set; }
            public string CredType { get; internal set; }
            public DateTime RegDate { get; internal set; }
            public Guid AaGuid { get; internal set; }
            public bool Migrated { get; internal set; }
        }

        public static bool RequiresPremium(TwoFactorProviderType type)
        {
            switch (type)
            {
                case TwoFactorProviderType.Duo:
                case TwoFactorProviderType.YubiKey:
                case TwoFactorProviderType.WebAuthn:
                    return true;
                default:
                    return false;
            }
        }
    }
}