btcpayserver/BTCPayServer/Views/Server/SparkServices.cshtml

@model SparkServicesViewModel
@{
    ViewData.SetActivePageAndTitle(ServerNavPages.Services);
}


<h4>Spark service</h4>
<partial name="_StatusMessage" for="@TempData["StatusMessage"]" />

@if (Model.ShowQR)
{
    <div class="alert alert-warning alert-dismissible" role="alert">
        <button type="button" class="close" data-dismiss="alert" aria-label="Close"><span aria-hidden="true">&times;</span></button>
        <div>
            <span><b>CONFIDENTIAL:</b> This QR Code is confidential, close this window as soon as you don't need it anymore.<br /></span>
            <span>A malicious actor with access to this QR Code could steal the funds on your lightning wallet.</span>
        </div>
    </div>
}

<div class="row">
    <div class="col-md-6">
        <div asp-validation-summary="All" class="text-danger"></div>
    </div>
</div>

<div class="row">

    <div class="col-md-8">
        <div class="form-group">
            <h5>Browser connection</h5>
            <p>
                <span>You can go to spark from your browser by <a href="@Model.SparkLink" target="_blank">clicking here</a><br /></span>
            </p>
        </div>

        <div class="form-group">
            <h5>QR Code connection</h5>
            <p>
                <span>You can use QR Code to connect to your clightning from your mobile.<br /></span>
            </p>
        </div>
        <div class="form-group">
            @if (!Model.ShowQR)
            {
                <div class="form-group">
                    <form method="get">
                        <input type="hidden" asp-for="ShowQR" value="true" />
                        <button type="submit" class="btn btn-primary">Show Confidential QR Code</button>
                    </form>
                </div>
            }
            else
            {
                <div class="form-group">
                    <div id="qrCode"></div>
                    <div id="qrCodeData" data-url="@Html.Raw(Model.SparkLink)"></div>
                </div>
            }
        </div>
    </div>
</div>

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

    @if (Model.ShowQR)
    {
        <script type="text/javascript" src="~/js/qrcode.min.js"></script>
        <script type="text/javascript">
        new QRCode(document.getElementById("qrCode"),
            {
                text: "@Html.Raw(Model.SparkLink)",
                width: 150,
                height: 150
            });
        </script>
    }
}