A DNN Theme footer include file that outputs useful Debug info for OHS, development, etc. C#, CSharp, .NET

__debug.ascx

<%-- THIS IS THE C# CSharp .NET VERSION
NOTES: 
 - the way we get the Skin name is "janky" ;)
 - uses Bootstrap (next version won't?)

How to use:
1. Save this file in your theme folder, usually includes/__debug.ascx
2. Update the IPs; add the WAN IP(s) for your location(s)
3. Update the Bootstrap version manually
4. Either in includes/_footer.ascx (or Home.ascx), before closing DIV in main <footer> section add this
<!-- #include virtual="__debug.ascx" --> 
5. To view the output when NOT at an allowed IP, just add /debug/on to your URL

FUTURE: no Bootstrap
--%>




<% if (UserCanViewDebug()) { %>
  <div class="alert alert-warning m-0 text-monospace" role="alert">
    <%-- DNN / HOST --%>
    <div class="mb-2">
      <p>DNN <%=DotNetNuke.Application.DotNetNukeContext.Current.Application.Version.ToString(3) %> / <%=System.Environment.Version.ToString() %> / Host=<%=System.Net.Dns.GetHostName() %></p>
    </div>

    <%-- THEME --%>
    <div class="mb-2">
      <p>Theme: 
        Skin=<strong><%=PortalSettings.DefaultPortalSkin.Split('/')[1].ToUpper() %></strong>, 
        Layout/Container=<span title="<%=PortalSettings.ActiveTab.SkinSrc %>"><%=System.IO.Path.GetFileNameWithoutExtension(PortalSettings.ActiveTab.SkinSrc) %></span>/<span title="<%=PortalSettings.ActiveTab.ContainerSrc %>"><%=System.IO.Path.GetFileNameWithoutExtension(PortalSettings.ActiveTab.ContainerSrc) %></span>, 
        Bootstrap=<span title="no plans to upgrade Bootstrap to v5 - 20210808 JRF">v4.6</span>
      </p>
    </div>

    <%-- PAGE --%>
    <div class="">
      <p class="mb-1">Page: TabID=<%=PortalSettings.ActiveTab.TabID %>, Name=<%=PortalSettings.ActiveTab.TabName %>, Title=<%=PortalSettings.ActiveTab.Title %></p>
      <div class="px-3">
        <div class="mb-0">Status: 
          <span title="Display in Menu/Nav">IsVisible=<%=PortalSettings.ActiveTab.IsVisible %>, </span>  
          <span>Published=<%=PortalSettings.ActiveTab.HasBeenPublished %> </span>
          
        </div>
        <p class="mb-0">
          Nav: Level=<%=PortalSettings.ActiveTab.Level %>, 
          Path=<%=PortalSettings.ActiveTab.TabPath %>, 
          <span title="Disabled in Menu/Nav (e.g. not a link)">DisableLink=<%=PortalSettings.ActiveTab.DisableLink %> </span>
        </p>
        <p class="mb-0">QueryString pairs: <%=Request.QueryString.ToString().Replace("&",", ") %></p>
      </div>
    </div>
    <hr />

    <%-- SMALL PRINT --%>
    <div class="small text-dark">
      <p class="mb-0">
        Using <code><%=System.Configuration.ConfigurationManager.AppSettings["UpdateServiceUrl"] %></code> for updates. 
        Deployed on <%=System.Configuration.ConfigurationManager.AppSettings["InstallationDate"] %> 
        at Dnn version <%=System.Configuration.ConfigurationManager.AppSettings["InstallVersion"] %>,
      </p>
      <p>WAN IP: <%=GetIpAddress() %>, page output <%=DateTime.Now.ToString("F") %></p>
    </div>

    <p class="small font-weight-bold mt-2 mb-0">Debug info only visible from ASL WAN IP addresses and being output from <code>includes/_footer.ascx</code> in Skin.</p>

  </div>
<% } %>


<script runat="server">
  public bool UserCanViewDebug()
  {
    var list = new List<string> {
      "127.0.0.1",        // localhost
      "192.241.63.162",   // 309SN
    };
    return list.Contains(GetIpAddress()) || UrlOverride();
  }
  public bool UrlOverride(string urlParamName = "debug", string urlParamValue = "on")
  {
    return Request.QueryString[urlParamName] == urlParamValue;
  }
  public string GetIpAddress()
  {
    string stringIpAddress;
    stringIpAddress = Request.ServerVariables["HTTP_X_FORWARDED_FOR"];
    if (stringIpAddress == null)
    {
      stringIpAddress = Request.ServerVariables["REMOTE_ADDR"];
    }
    return stringIpAddress;
  }
</script>

Improved output Aug 2021