<%@ Page Title="Virus Scan Integration" Language="C#" MasterPageFile="~/Site.master" AutoEventWireup="true" %>
<%@ Register Assembly="AjaxUploader" Namespace="AjaxUploader.Controls" TagPrefix="au" %> 
<script runat="server"> private readonly System.Collections.Generic.List<string> _cleanFiles = new System.Collections.Generic.List<string>();
 private readonly System.Collections.Generic.List<string> _rejectedFiles = new System.Collections.Generic.List<string>();

 protected void Uploader1_FileUploaded(object sender, AjaxUploader.Events.FileUploadedEventArgs e)
 {
 var fileName = e.FileName ?? "(unnamed)";
 var uploadService = new AjaxUploader.Services.UploadService();

 if (fileName.IndexOf("virus", StringComparison.OrdinalIgnoreCase) >= 0
 || fileName.IndexOf("eicar", StringComparison.OrdinalIgnoreCase) >= 0)
 {
 uploadService.DeleteFile(e.FileGuid);
 _rejectedFiles.Add(fileName + " - simulated malware signature match");
 return;
 }

 var cleanFolder = Server.MapPath("~/App_Data/ScannedClean");
 System.IO.Directory.CreateDirectory(cleanFolder);
 uploadService.CopyFile(e.FileGuid, System.IO.Path.Combine(cleanFolder, System.IO.Path.GetFileName(fileName)));
 _cleanFiles.Add(fileName);
 }

 protected void BtnScan_Click(object sender, EventArgs e)
 {
 if (_cleanFiles.Count == 0 && _rejectedFiles.Count == 0)
 {
 lblStatus.CssClass = "alert alert-warning mt-3";
 lblStatus.Text = "Upload one or more files first, then click Run Post-Upload Scan.";
 }
 else
 {
 lblStatus.CssClass = "alert alert-info mt-3";
 lblStatus.Text = "Scan finished: " + _cleanFiles.Count + " clean, " + _rejectedFiles.Count + " rejected.";
 }

 lblStatus.Visible = true;
 litClean.Text = RenderItems(_cleanFiles);
 litRejected.Text = RenderItems(_rejectedFiles);
 }

 private string RenderItems(System.Collections.Generic.IEnumerable<string> items)
 {
 var sb = new System.Text.StringBuilder();
 foreach (var item in items)
 {
 sb.Append("<div>");
 sb.Append(Server.HtmlEncode(item));
 sb.Append("</div>");
 }

 return sb.ToString();
 }
</script> 
<asp:Content ID="TitleContent" ContentPlaceHolderID="TitleContent" runat="server">Virus Scan Integration - AjaxUploader v5.0 Demos</asp:Content>
<asp:Content ID="HeaderContent" ContentPlaceHolderID="HeaderTitle" runat="server">Virus Scan Integration</asp:Content> 
<asp:Content ID="BodyContent" ContentPlaceHolderID="MainContent" runat="server"> 
<div class="demo-card"> <div class="demo-card-header">Virus Scan Integration</div> <div class="demo-card-body"> <p class="demo-description"> Hook into a virus scanning step after upload on postback. This sample simulates a scan
 and rejects filenames containing <code>virus</code> or <code>eicar</code>, while copying
 clean files into <code>App_Data/ScannedClean</code>.
 </p> <au:AjaxFileUpload ID="Uploader1" runat="server"
 AutoUpload="true"
 ShowProgress="true"
 ButtonText="Upload &amp; Scan"
 OnFileUploaded="Uploader1_FileUploaded" /> <asp:Button ID="BtnScan" runat="server" Text="Run Post-Upload Scan"
 CssClass="btn btn-primary btn-sm mt-3" OnClick="BtnScan_Click" /> <asp:Label ID="lblStatus" runat="server" Visible="false" /> <div class="row mt-3"> <div class="col-md-6"> <div class="fw-semibold mb-2">Clean</div> <asp:Literal ID="litClean" runat="server" /> </div> <div class="col-md-6"> <div class="fw-semibold mb-2">Rejected</div> <asp:Literal ID="litRejected" runat="server" /> </div> </div> <div class="code-panel"> <pre><code>&lt;%-- ASPX markup --%&gt;
&lt;au:AjaxFileUpload ID="Uploader1" runat="server"
 AutoUpload="true"
 ShowProgress="true"
 OnFileUploaded="Uploader1_FileUploaded" /&gt;

&lt;%-- Code-behind: virus scanning in FileUploaded event --%&gt;
protected void Uploader1_FileUploaded(object sender,
 AjaxFileUploadEventArgs e)
{
 if (e.FileName.Contains("virus"))
 {
 new UploadService().DeleteFile(e.FileGuid);
 return;
 }

 new UploadService().CopyFile(
 e.FileGuid,
 Server.MapPath("~/App_Data/ScannedClean/" + e.FileName));
}
</code></pre> </div> <p class="mt-3 text-muted"> Tip: rename a test file to include <code>virus</code> or <code>eicar</code> to see the
 rejection branch in action.
 </p> </div>
</div> 
</asp:Content>
