2 // System.Web.Handlers.TraceHandler
5 // Gonzalo Paniagua Javier (gonzalo@ximian.com)
6 // Jackson Harper (jackson@ximian.com)
8 // (C) 2002 Ximian, Inc (http://www.ximian.com)
9 // (C) 2004 Novell, Inc (http://www.novell.com)
13 // Permission is hereby granted, free of charge, to any person obtaining
14 // a copy of this software and associated documentation files (the
15 // "Software"), to deal in the Software without restriction, including
16 // without limitation the rights to use, copy, modify, merge, publish,
17 // distribute, sublicense, and/or sell copies of the Software, and to
18 // permit persons to whom the Software is furnished to do so, subject to
19 // the following conditions:
21 // The above copyright notice and this permission notice shall be
22 // included in all copies or substantial portions of the Software.
24 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
28 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
29 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
30 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
33 using System.Collections;
35 using System.Security.Permissions;
36 using System.Web.Util;
38 using System.Web.UI.WebControls;
40 namespace System.Web.Handlers
43 class TraceNotAvailableException : HttpException
47 public TraceNotAvailableException (bool notLocal) :
48 base (notLocal ? 403 : 500, "Trace Error")
50 this.notLocal = notLocal;
53 internal override string Description {
56 return "Trace is not enabled for remote clients.";
58 return "Trace.axd is not enabled in the configuration file for this application.";
64 [AspNetHostingPermission (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
65 [AspNetHostingPermission (SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
66 public class TraceHandler : IHttpHandler
68 [SecurityPermission (SecurityAction.Demand, UnmanagedCode = true)]
69 public TraceHandler ()
71 // LAMESPEC: the ctor is documented to have a Demand for a SecurityPermission
72 // but doesn't specify which one it is (tests shows it's UnmanagedCode)
75 void IHttpHandler.ProcessRequest (HttpContext context)
77 ProcessRequest (context);
80 protected void ProcessRequest (HttpContext context)
82 TraceManager manager = HttpRuntime.TraceManager;
84 if (!manager.Enabled || manager.LocalOnly && !context.Request.IsLocal)
85 throw new TraceNotAvailableException (manager.Enabled);
87 HtmlTextWriter output = new HtmlTextWriter (context.Response.Output);
89 if (context.Request.QueryString ["clear"] != null) {
91 context.Response.Redirect (context.Request.FilePath);
94 string id_str = context.Request.QueryString ["id"];
97 id = Int32.Parse (id_str);
99 if (id > 0 && id <= manager.ItemCount) {
100 RenderItem (manager, output, id);
102 string dir = context.Server.MapPath (UrlUtils.GetDirectory (context.Request.FilePath));
103 RenderMenu (manager, output, dir);
108 bool IHttpHandler.IsReusable {
109 get { return IsReusable; }
112 protected bool IsReusable {
118 void RenderMenu (TraceManager manager, HtmlTextWriter output, string dir)
121 output.RenderBeginTag (HtmlTextWriterTag.Html);
123 output.RenderBeginTag (HtmlTextWriterTag.Head);
124 TraceData.RenderStyleSheet (output);
125 output.RenderEndTag ();
127 RenderHeader (output, dir);
129 output.RenderBeginTag (HtmlTextWriterTag.Body);
130 output.AddAttribute ("class", "tracecontent");
131 output.RenderBeginTag (HtmlTextWriterTag.Span);
133 Table table = TraceData.CreateTable ();
135 table.Rows.Add (TraceData.AltRow ("Requests to the Application"));
136 table.Rows.Add (TraceData.SubHeadRow ("No", "Time of Request",
137 "File", "Status Code", "Verb", " "));
139 if (manager.TraceData != null) {
140 for (int i=0; i<manager.ItemCount; i++) {
142 TraceData d = manager.TraceData [i];
143 TraceData.RenderAltRow (table, i, item.ToString (), d.RequestTime.ToString (),
144 d.RequestPath, d.StatusCode.ToString (), d.RequestType,
145 "<a href=\"Trace.axd?id=" + item + "\" class=\"tinylink\">" +
146 "<b><nobr>View Details</a>");
148 table.RenderControl (output);
151 output.RenderEndTag ();
152 output.RenderEndTag ();
154 output.RenderEndTag ();
157 void RenderHeader (HtmlTextWriter output, string dir)
159 Table table = TraceData.CreateTable ();
160 TableRow row1 = new TableRow ();
161 TableRow row2 = new TableRow ();
162 TableCell cell1 = new TableCell ();
163 TableCell cell2 = new TableCell ();
164 TableCell cell3 = new TableCell ();
165 TableCell cell4 = new TableCell ();
167 cell1.Text = "<h1>Application Trace</h1>";
168 cell2.Text = "[ <a href=\"Trace.axd?clear=1\" class=\"link\">clear current trace</a> ]";
170 cell2.HorizontalAlign = HorizontalAlign.Right;
171 cell2.VerticalAlign = VerticalAlign.Bottom;
173 row1.Cells.Add (cell1);
174 row1.Cells.Add (cell2);
176 cell3.Text = "<h2><h2><p>"; // ummm, WTF?
177 cell4.Text = "<b>Physical Directory:</b>" + dir;
179 row2.Cells.Add (cell3);
180 row2.Cells.Add (cell4);
182 table.Rows.Add (row1);
183 table.Rows.Add (row2);
185 table.RenderControl (output);
188 void RenderItem (TraceManager manager, HtmlTextWriter output, int item)
190 manager.TraceData [item - 1].Render (output);
193 [MonoLimitation ("Not implemented, does nothing")]
194 protected void ShowDetails (DataSet data)
197 [MonoLimitation ("Not implemented, does nothing")]
198 protected void ShowRequests (IList data)
202 [MonoLimitation ("Not implemented, does nothing")]
203 protected void ShowVersionDetails ()