//
// System.Web.Handlers.TraceHandler
//
// Authors:
// Gonzalo Paniagua Javier (gonzalo@ximian.com)
// Jackson Harper (jackson@ximian.com)
//
// (C) 2002 Ximian, Inc (http://www.ximian.com)
// (C) 2004 Novell, Inc (http://www.novell.com)
//
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System.Collections;
using System.Data;
using System.Security.Permissions;
using System.Web.Util;
using System.Web.UI;
using System.Web.UI.WebControls;
namespace System.Web.Handlers{
#if NET_2_0
[Serializable]
#endif
class TraceNotAvailableException : HttpException
{
bool notLocal;
public TraceNotAvailableException (bool notLocal) :
base (notLocal ? 403 : 500, "Trace Error")
{
this.notLocal = notLocal;
}
internal override string Description {
get {
if (notLocal)
return "Trace is not enabled for remote clients.";
return "Trace.axd is not enabled in the configuration file for this application.";
}
}
}
// CAS
[AspNetHostingPermission (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
[AspNetHostingPermission (SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
public class TraceHandler : IHttpHandler
{
[SecurityPermission (SecurityAction.Demand, UnmanagedCode = true)]
public TraceHandler ()
{
// LAMESPEC: the ctor is documented to have a Demand for a SecurityPermission
// but doesn't specify which one it is (tests shows it's UnmanagedCode)
}
#if NET_2_0
void IHttpHandler.ProcessRequest (HttpContext context)
{
ProcessRequest (context);
}
protected void ProcessRequest (HttpContext context)
#else
void IHttpHandler.ProcessRequest (HttpContext context)
#endif
{
TraceManager manager = HttpRuntime.TraceManager;
if (!manager.Enabled || manager.LocalOnly && !context.Request.IsLocal)
throw new TraceNotAvailableException (manager.Enabled);
HtmlTextWriter output = new HtmlTextWriter (context.Response.Output);
if (context.Request.QueryString ["clear"] != null) {
manager.Clear ();
context.Response.Redirect (context.Request.FilePath);
}
string id_str = context.Request.QueryString ["id"];
int id = -1;
if (id_str != null)
id = Int32.Parse (id_str);
if (id > 0 && id <= manager.ItemCount) {
RenderItem (manager, output, id);
} else {
string dir = context.Server.MapPath (UrlUtils.GetDirectory (context.Request.FilePath));
RenderMenu (manager, output, dir);
}
}
#if NET_2_0
bool IHttpHandler.IsReusable {
get { return IsReusable; }
}
protected bool IsReusable {
#else
bool IHttpHandler.IsReusable {
#endif
get {
return false;
}
}
void RenderMenu (TraceManager manager, HtmlTextWriter output, string dir)
{
output.RenderBeginTag (HtmlTextWriterTag.Html);
output.RenderBeginTag (HtmlTextWriterTag.Head);
TraceData.RenderStyleSheet (output);
output.RenderEndTag ();
RenderHeader (output, dir);
output.RenderBeginTag (HtmlTextWriterTag.Body);
output.AddAttribute ("class", "tracecontent");
output.RenderBeginTag (HtmlTextWriterTag.Span);
Table table = TraceData.CreateTable ();
table.Rows.Add (TraceData.AltRow ("Requests to the Application"));
table.Rows.Add (TraceData.SubHeadRow ("No", "Time of Request",
"File", "Status Code", "Verb", " "));
if (manager.TraceData != null) {
for (int i=0; i<manager.ItemCount; i++) {
int item = i + 1;
TraceData d = manager.TraceData [i];
TraceData.RenderAltRow (table, i, item.ToString (), d.RequestTime.ToString (),
d.RequestPath, d.StatusCode.ToString (), d.RequestType,
"<a href=\"Trace.axd?id=" + item + "\" class=\"tinylink\">" +
"<b><nobr>View Details</a>");
}
table.RenderControl (output);
}
output.RenderEndTag ();
output.RenderEndTag ();
output.RenderEndTag ();
}
void RenderHeader (HtmlTextWriter output, string dir)
{
Table table = TraceData.CreateTable ();
TableRow row1 = new TableRow ();
TableRow row2 = new TableRow ();
TableCell cell1 = new TableCell ();
TableCell cell2 = new TableCell ();
TableCell cell3 = new TableCell ();
TableCell cell4 = new TableCell ();
cell1.Text = "<h1>Application Trace</h1>";
cell2.Text = "[ <a href=\"Trace.axd?clear=1\" class=\"link\">clear current trace</a> ]";
cell2.HorizontalAlign = HorizontalAlign.Right;
cell2.VerticalAlign = VerticalAlign.Bottom;
row1.Cells.Add (cell1);
row1.Cells.Add (cell2);
cell3.Text = "<h2><h2><p>"; // ummm, WTF?
cell4.Text = "<b>Physical Directory:</b>" + dir;
row2.Cells.Add (cell3);
row2.Cells.Add (cell4);
table.Rows.Add (row1);
table.Rows.Add (row2);
table.RenderControl (output);
}
void RenderItem (TraceManager manager, HtmlTextWriter output, int item)
{
manager.TraceData [item - 1].Render (output);
}
[MonoLimitation ("Not implemented, does nothing")]
protected void ShowDetails (DataSet data)
{
}
#if NET_2_0
[MonoLimitation ("Not implemented, does nothing")]
protected void ShowRequests (IList data)
{
}
[MonoLimitation ("Not implemented, does nothing")]
protected void ShowVersionDetails ()
{
}
#else
[MonoTODO ("Not implemented, does nothing")]
protected void ShowRequests (ArrayList list)
{
}
#endif
}
}
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