- Place the Files.aspx and Files.aspx.cs files in a folder which needs to be served as directory browsing in IIS
- Make Files.aspx as the default document for the website in IIS
- Files can be downloaded via static files IIS feature. Hence, enable the static content and ASP.NET latest version in "Turn Windows features on or off"
- Request Filtering in IIS can be used for additional security measures like limiting file extensions, file size, url size etc.
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June 26, 2025 01:59
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Directory Browsing with sorting and additional columns in IIS
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| <%@ Page Language="C#" AutoEventWireup="true" CodeFile="Files.aspx.cs" Inherits="Files.FilesPage" %> | |
| <%@ Import Namespace="System.Collections.Generic" %> | |
| <%@ Import Namespace="System.IO" %> | |
| <%@ Import Namespace="Files" %> | |
| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>Contents of <%= path %></title> | |
| <style type="text/css"> | |
| a { | |
| text-decoration: none; | |
| } | |
| a:hover { | |
| text-decoration: underline; | |
| } | |
| p { | |
| font-family: verdana; | |
| font-size: 10pt; | |
| } | |
| h2 { | |
| font-family: verdana; | |
| } | |
| td, th { | |
| font-family: verdana; | |
| font-size: 10pt; | |
| padding-left: 1em; | |
| } | |
| th { | |
| text-align: left; | |
| text-decoration: underline; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <h2> | |
| <asp:HyperLink runat="server" ID="NavigateUpLink">[To Parent Directory]</asp:HyperLink> | |
| <%= path %> | |
| </h2> | |
| <hr /> | |
| <table> | |
| <tr> | |
| <th>Name</th> | |
| <th>Last Modified</th> | |
| <th>Size (KB)</th> | |
| <th>Extension</th> | |
| <th>Type</th> | |
| </tr> | |
| <% foreach (DirectoryListingEntry fItem in listing) | |
| { %> | |
| <tr> | |
| <td> | |
| <% if (fItem.FileSystemInfo is DirectoryInfo) | |
| {%> | |
| <a href="?path=<%=fItem.VirtualPath%>"><%=fItem.Filename%></a> | |
| <%} | |
| else | |
| {%> | |
| <a href="<%=fItem.VirtualPath%>" target="_blank"><%=fItem.Filename%></a> | |
| <%}%> | |
| </td> | |
| <td><%= fItem.FileSystemInfo.LastWriteTime.ToString("yyyy-MMM-dd HH:mm")%></td> | |
| <td><%= GetFileSizeString(fItem.FileSystemInfo) %></td> | |
| <td><%=fItem.FileSystemInfo.Extension %></td> | |
| <td><%=(fItem.FileSystemInfo is DirectoryInfo)?"folder":"file" %></td> | |
| </tr> | |
| <% } %> | |
| </table> | |
| <hr /> | |
| <p> | |
| <asp:Label runat="Server" ID="FileCount" /> | |
| </p> | |
| <script> | |
| // https://stackoverflow.com/questions/14267781/sorting-html-table-with-javascript | |
| var getCellValue = function (tr, idx) { return tr.children[idx].innerText || tr.children[idx].textContent; } | |
| var comparer = function (idx, asc) { | |
| return function (a, b) { | |
| return function (v1, v2) { | |
| return v1 !== '' && v2 !== '' && !isNaN(v1) && !isNaN(v2) ? v1 - v2 : v1.toString().localeCompare(v2); | |
| }(getCellValue(asc ? a : b, idx), getCellValue(asc ? b : a, idx)); | |
| } | |
| }; | |
| // setup table sorting by clicking column header | |
| Array.prototype.slice.call(document.querySelectorAll('th')).forEach(function (th) { | |
| th.addEventListener('click', function () { | |
| var table = th.parentNode | |
| while (table.tagName.toUpperCase() != 'TABLE') table = table.parentNode; | |
| Array.prototype.slice.call(table.querySelectorAll('tr:nth-child(n+2)')) | |
| .sort(comparer(Array.prototype.slice.call(th.parentNode.children).indexOf(th), this.asc = !this.asc)) | |
| .forEach(function (tr) { table.appendChild(tr) }); | |
| }) | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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| using System; | |
| using System.IO; | |
| using System.Web; | |
| using System.Collections.Generic; | |
| namespace Files | |
| { | |
| public partial class FilesPage : System.Web.UI.Page | |
| { | |
| public DirectoryListingEntryCollection listing = new DirectoryListingEntryCollection(); | |
| public string path = "/"; | |
| protected void Page_Load() | |
| { | |
| path = Request.QueryString["path"]; | |
| if (string.IsNullOrEmpty(path)) | |
| { | |
| path = "/"; | |
| } | |
| else | |
| { | |
| path = VirtualPathUtility.AppendTrailingSlash(path); | |
| } | |
| string sortBy = Request.QueryString["sortby"]; | |
| // | |
| // Databind to the directory listing | |
| // | |
| DirectoryInfo dirInfo = new DirectoryInfo(Server.MapPath(path)); | |
| FileSystemInfo[] fiFiles = dirInfo.GetFileSystemInfos(); | |
| foreach (FileSystemInfo f in fiFiles) | |
| { | |
| if (f.Attributes.HasFlag(FileAttributes.Hidden)) { continue; } | |
| DirectoryListingEntry e = new DirectoryListingEntry(); | |
| e.FileSystemInfo = f; | |
| e.Filename = f.Name; | |
| //e.Path = f.FullName; | |
| e.VirtualPath = path + (path.EndsWith("/") ? "" : "/") + f.Name; | |
| listing.Add(e); | |
| } | |
| if (listing == null) | |
| { | |
| throw new Exception("This page cannot be used without the DirectoryListing module"); | |
| } | |
| // | |
| // Handle sorting | |
| // | |
| if (string.IsNullOrEmpty(sortBy)) | |
| { | |
| // set default sorting | |
| sortBy = "daterev"; | |
| } | |
| if (sortBy.Equals("name")) | |
| { | |
| listing.Sort(DirectoryListingEntry.CompareFileNames); | |
| } | |
| else if (sortBy.Equals("namerev")) | |
| { | |
| listing.Sort(DirectoryListingEntry.CompareFileNamesReverse); | |
| } | |
| else if (sortBy.Equals("date")) | |
| { | |
| listing.Sort(DirectoryListingEntry.CompareDatesModified); | |
| } | |
| else if (sortBy.Equals("daterev")) | |
| { | |
| listing.Sort(DirectoryListingEntry.CompareDatesModifiedReverse); | |
| } | |
| else if (sortBy.Equals("size")) | |
| { | |
| listing.Sort(DirectoryListingEntry.CompareFileSizes); | |
| } | |
| else if (sortBy.Equals("sizerev")) | |
| { | |
| listing.Sort(DirectoryListingEntry.CompareFileSizesReverse); | |
| } | |
| // | |
| // Prepare the file counter label | |
| // | |
| FileCount.Text = listing.Count + " items"; | |
| // | |
| // | |
| // Parepare the parent path label | |
| string parentPath = null; | |
| if (path.Equals("/") || path.Equals(VirtualPathUtility.AppendTrailingSlash(HttpRuntime.AppDomainAppVirtualPath))) | |
| { | |
| // cannot exit above the site root or application root | |
| parentPath = null; | |
| } | |
| else | |
| { | |
| parentPath = VirtualPathUtility.Combine(path, ".."); | |
| } | |
| if (string.IsNullOrEmpty(parentPath)) | |
| { | |
| NavigateUpLink.Visible = false; | |
| NavigateUpLink.Enabled = false; | |
| } | |
| else | |
| { | |
| NavigateUpLink.NavigateUrl = "?path=" + parentPath; | |
| } | |
| } | |
| public string GetFileSizeString(FileSystemInfo info) | |
| { | |
| if (info is FileInfo) | |
| { | |
| return string.Format("{0}", (int)(((FileInfo)info).Length * 10 / (double)1024) / (double)10); | |
| } | |
| else | |
| { | |
| return string.Empty; | |
| } | |
| } | |
| } | |
| public class DirectoryListingEntryCollection : List<DirectoryListingEntry> | |
| { | |
| } | |
| public class DirectoryListingEntry | |
| { | |
| //public string Path; | |
| public string VirtualPath; | |
| public string Filename; | |
| public FileSystemInfo FileSystemInfo; | |
| internal static int CompareFileNames(DirectoryListingEntry x, DirectoryListingEntry y) | |
| { | |
| return x.Filename.CompareTo(y.Filename); | |
| } | |
| internal static int CompareFileNamesReverse(DirectoryListingEntry x, DirectoryListingEntry y) | |
| { | |
| return -1 * x.Filename.CompareTo(y.Filename); | |
| } | |
| internal static int CompareDatesModified(DirectoryListingEntry x, DirectoryListingEntry y) | |
| { | |
| return x.FileSystemInfo.LastWriteTime.CompareTo(y.FileSystemInfo.LastWriteTime); | |
| } | |
| internal static int CompareDatesModifiedReverse(DirectoryListingEntry x, DirectoryListingEntry y) | |
| { | |
| return -1 * x.FileSystemInfo.LastWriteTime.CompareTo(y.FileSystemInfo.LastWriteTime); | |
| } | |
| internal static int CompareFileSizes(DirectoryListingEntry x, DirectoryListingEntry y) | |
| { | |
| if (x.FileSystemInfo is DirectoryInfo) | |
| { | |
| return -1; | |
| } | |
| if (y.FileSystemInfo is DirectoryInfo) | |
| { | |
| return 1; | |
| } | |
| return ((FileInfo)x.FileSystemInfo).Length.CompareTo(((FileInfo)y.FileSystemInfo).Length); | |
| } | |
| internal static int CompareFileSizesReverse(DirectoryListingEntry x, DirectoryListingEntry y) | |
| { | |
| if (x.FileSystemInfo is DirectoryInfo) | |
| { | |
| return -1; | |
| } | |
| if (y.FileSystemInfo is DirectoryInfo) | |
| { | |
| return 1; | |
| } | |
| return -1 * ((FileInfo)x.FileSystemInfo).Length.CompareTo(((FileInfo)y.FileSystemInfo).Length); | |
| } | |
| } | |
| } |
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It's only showing web.config, I've added the file name extension to the request filtering, mime type, directory browsing and disabled file compression but still doesn't show anything else.
I'm trying on a virtual directory of a site. I've tried setting the path var to the directory path but no success.
Win Server 22 Std
Update: Yes it's only loading site root folder not the virtual directory itself as root, so it can't find any files.