btcpayserver/BTCPayServer/Views/Server/Files.cshtml

@model ViewFilesViewModel
@{
    ViewData.SetActivePageAndTitle(ServerNavPages.Files, "File Storage");
}

<h2 class="mb-4">@ViewData["PageTitle"]</h2>

<p>
    Change your <a asp-action="Services" asp-route-returnurl="@ViewData["ReturnUrl"]">external storage service</a> provider.
    <a href="https://docs.btcpayserver.org/FAQ/FAQ-ServerSettings/#how-to-upload-files-to-btcpay" target="_blank">
        <span class="fa fa-question-circle-o text-secondary" title="More information..."></span>
    </a>
</p>

@if (Model.Files.Any())
{
    <table class="table table-sm table-responsive-md">
        <thead>
            <tr>
                <th>Name</th>
                <th>Timestamp</th>
                <th>User</th>
                <th></th>
            </tr>
        </thead>
        <tbody>
            @foreach (var file in Model.Files)
            {
                <tr>
                    <td>@file.FileName</td>
                    <td>@file.Timestamp.ToBrowserDate()</td>
                    <td>@file.ApplicationUser.UserName</td>
                    <td>
                        <a asp-action="Files" asp-route-fileId="@file.Id">Get Link</a>
                        - <a asp-action="CreateTemporaryFileUrl" asp-route-fileId="@file.Id">Get Temp Link</a>
                        - <a asp-action="DeleteFile" asp-route-fileId="@file.Id">Remove</a>
                    </td>
                </tr>
            }
        </tbody>
    </table>
}
else
{
    <p class="text-secondary mt-3">
        There are no files yet.
    </p>
}

@if (!string.IsNullOrEmpty(Model.SelectedFileId))
{
    var file = Model.Files.Single(storedFile => storedFile.Id.Equals(Model.SelectedFileId, StringComparison.InvariantCultureIgnoreCase));
    <div class="card mb-2">
        <div class="card-text">
            <ul class="list-group list-group-flush">
                <li class="list-group-item">
                    @file.FileName
                </li>

                <li class="list-group-item">
                    <div class="row px-0 mx-0">
                        <span class="col-sm-12 col-md-2">Url: </span>
                        <a class="col-sm-12 col-md-10 text-right" asp-action="GetFile" asp-controller="Storage" asp-route-fileId="@Model.SelectedFileId" target="_blank">
                            @Url.Action("GetFile", "Storage", new
                            {
                                fileId = Model.SelectedFileId
                            }, Context.Request.Scheme, Context.Request.Host.ToString())
                        </a>
                    </div>
                </li>
                <li class="list-group-item ">
                    <div class="row px-0 mx-0">
                        <span class="col-sm-12 col-md-2">Direct Url: </span>
                        <a class="col-sm-12 col-md-10 text-right" href="@Model.DirectFileUrl" target="_blank">@Model.DirectFileUrl</a>
                    </div>
                </li>
            </ul>
        </div>
    </div>
}

@if (Model.StorageConfigured)
{
    <form asp-action="CreateFile" method="post" enctype="multipart/form-data">
        <h4 class="mt-5 mb-3">Upload File</h4>

        <div class="custom-file mb-3">
            <input type="file" class="custom-file-input" name="file" id="file" required>
            <label class="custom-file-label" for="customFile">Choose file</label>
        </div>

        <button class="btn btn-primary" role="button"><span class="fa fa-plus"></span> Upload file</button>
    </form>

    @section Scripts {
        <script>
            $(document).ready(function () {

                $('.custom-file-input').on('change',
                    function () {
                        var label = $(this).next('label');
                        if (document.getElementById("file").files.length > 0) {
                            var fileName = document.getElementById("file").files[0].name;
                            label.addClass("selected").html(fileName);
                        } else {
                            label.removeClass("selected").html("Choose file");
                        }
                    });
            });
        </script>
    }
}