btcpayserver/BTCPayServer/Views/Manage/TwoFactorAuthentication.cshtml

@model TwoFactorAuthenticationViewModel
@{
    ViewData.SetActivePageAndTitle(ManageNavPages.TwoFactorAuthentication, "Two-factor authentication");
}

@if(Model.Is2faEnabled)
{
    if(Model.RecoveryCodesLeft == 0)
    {
        <div class="alert alert-danger">
            <h4 class="alert-heading mb-3">
                <span class="fa fa-warning"></span>
                You have no recovery codes left.
            </h4>
            <p class="mb-0">You must <a asp-action="GenerateRecoveryCodes" class="alert-link">generate a new set of recovery codes</a> before you can log in with a recovery code.</p>
        </div>
    }
    else if(Model.RecoveryCodesLeft == 1)
    {
        <div class="alert alert-danger">
            <h4 class="alert-heading mb-3">
                <span class="fa fa-warning"></span>
                You have 1 recovery code left.
            </h4>
            <p class="mb-0">You can <a asp-action="GenerateRecoveryCodes" class="alert-link">generate a new set of recovery codes</a>.</p>
        </div>
    }
    else if(Model.RecoveryCodesLeft <= 3)
    {
        <div class="alert alert-warning">
            <h4 class="alert-heading mb-3">
                <span class="fa fa-warning"></span>
                You have @Model.RecoveryCodesLeft recovery codes left.
            </h4>
            <p class="mb-0">You should <a asp-action="GenerateRecoveryCodes" class="alert-link">generate a new set of recovery codes</a>.</p>
        </div>
    }
    <h5>Your current 2FA</h5>
    <ul>
        <li><a asp-action="Disable2faWarning">Disable 2FA</a></li>
        <li><a asp-action="GenerateRecoveryCodes">Reset recovery codes</a></li>
    </ul>
}

<h5 class="mt-4">Authenticator app</h5>
<ul>

    @if(!Model.HasAuthenticator)
    {
        <li><a asp-action="EnableAuthenticator">Add authenticator app</a></li>
    }
    else
    {
        <li><a asp-action="EnableAuthenticator">Configure authenticator app</a></li>
        <li><a asp-action="ResetAuthenticatorWarning">Reset authenticator key</a></li>
    }
</ul>

@section Scripts {
    @await Html.PartialAsync("_ValidationScriptsPartial")
}