/// <summary>
/// Initializes a new instance of the <see cref="Error"/> class
/// from a given <see cref="Exception"/> instance and
/// <see cref="HttpContext"/> instance representing the HTTP
/// context during the exception.
/// </summary>
public Error(Exception e, HttpContext context)
{
if (e == null)
{
throw new ArgumentNullException("e");
}
_exception = e;
Exception baseException = e.GetBaseException();
//
// Load the basic information.
//
_hostName = Environment.TryGetMachineName(context);
_typeName = baseException.GetType().FullName;
_message = baseException.Message;
_source = baseException.Source;
_detail = e.ToString();
_user = Mask.NullString(Thread.CurrentPrincipal.Identity.Name);
_time = DateTime.Now;
//
// If this is an HTTP exception, then get the status code
// and detailed HTML message provided by the host.
//
HttpException httpException = e as HttpException;
if (httpException != null)
{
_statusCode = httpException.GetHttpCode();
_webHostHtmlMessage = TryGetHtmlErrorMessage(httpException);
}
//
// If the HTTP context is available, then capture the
// collections that represent the state request as well as
// the user.
//
if (context != null)
{
IPrincipal webUser = context.User;
if (webUser != null &&
Mask.NullString(webUser.Identity.Name).Length > 0)
{
_user = webUser.Identity.Name;
}
HttpRequest request = context.Request;
_serverVariables = CopyCollection(request.ServerVariables);
if (_serverVariables != null)
{
// Hack for issue #140:
// http://code.google.com/p/elmah/issues/detail?id=140
const string authPasswordKey = "AUTH_PASSWORD";
string authPassword = _serverVariables[authPasswordKey];
if (authPassword != null) // yes, mask empty too!
{
_serverVariables[authPasswordKey] = "*****";
}
}
_queryString = CopyCollection(request.QueryString);
_form = CopyCollection(request.Form);
_cookies = CopyCollection(request.Cookies);
}
}
public override string ToString()
{
return(Mask.EmptyString(Exception.Message, Exception.GetType().FullName));
}
/// <summary>
/// Schedules the error to be e-mailed synchronously.
/// </summary>
protected virtual void ReportError(Error error)
{
if (error == null)
{
throw new ArgumentNullException("error");
}
//
// Start by checking if we have a sender and a recipient.
// These values may be null if someone overrides the
// implementation of OnInit but does not override the
// MailSender and MailRecipient properties.
//
string sender = this.MailSender ?? string.Empty;
string recipient = this.MailRecipient ?? string.Empty;
string copyRecipient = this.MailCopyRecipient ?? string.Empty;
if (recipient.Length == 0)
{
return;
}
//
// Create the mail, setting up the sender and recipient and priority.
//
MailMessage mail = new MailMessage();
mail.Priority = this.MailPriority;
mail.From = new MailAddress(sender);
mail.To.Add(recipient);
if (copyRecipient.Length > 0)
{
mail.CC.Add(copyRecipient);
}
//
// Format the mail subject.
//
string subjectFormat = Mask.EmptyString(this.MailSubjectFormat, "Error ({1}): {0}");
mail.Subject = string.Format(subjectFormat, error.Message, error.Type).
Replace('\r', ' ').Replace('\n', ' ');
//
// Format the mail body.
//
ErrorTextFormatter formatter = CreateErrorFormatter();
StringWriter bodyWriter = new StringWriter();
formatter.Format(bodyWriter, error);
mail.Body = bodyWriter.ToString();
switch (formatter.MimeType)
{
case "text/html": mail.IsBodyHtml = true; break;
case "text/plain": mail.IsBodyHtml = false; break;
default:
{
throw new ApplicationException(string.Format(
"The error mail module does not know how to handle the {1} media type that is created by the {0} formatter.",
formatter.GetType().FullName, formatter.MimeType));
}
}
MailAttachment ysodAttachment = null;
ErrorMailEventArgs args = new ErrorMailEventArgs(error, mail);
try
{
//
// If an HTML message was supplied by the web host then attach
// it to the mail if not explicitly told not to do so.
//
if (!NoYsod && error.WebHostHtmlMessage.Length > 0)
{
ysodAttachment = CreateHtmlAttachment("YSOD", error.WebHostHtmlMessage);
if (ysodAttachment != null)
{
mail.Attachments.Add(ysodAttachment);
}
}
//
// Send off the mail with some chance to pre- or post-process
// using event.
//
OnMailing(args);
SendMail(mail);
OnMailed(args);
}
finally
{
OnDisposingMail(args);
mail.Dispose();
}
}
/// <summary>
/// Renders a collection as a table in HTML document body.
/// </summary>
/// <remarks>
/// This method is called by <see cref="RenderCollections"/> to
/// format a diagnostic collection from <see cref="Error"/> object.
/// </remarks>
protected virtual void RenderCollection(NameValueCollection collection, string caption)
{
if (collection == null || collection.Count == 0)
{
return;
}
HtmlTextWriter writer = this.Writer;
writer.RenderBeginTag(HtmlTextWriterTag.H1);
HttpUtility.HtmlEncode(caption, writer);
writer.RenderEndTag(); // </h1>
writer.WriteLine();
//
// Write a table with each key in the left column
// and its value in the right column.
//
writer.AddAttribute(HtmlTextWriterAttribute.Cellpadding, "5");
writer.AddAttribute(HtmlTextWriterAttribute.Cellspacing, "0");
writer.AddAttribute(HtmlTextWriterAttribute.Border, "1");
writer.AddAttribute(HtmlTextWriterAttribute.Width, "100%");
writer.RenderBeginTag(HtmlTextWriterTag.Table);
//
// Write the column headings.
//
writer.AddAttribute(HtmlTextWriterAttribute.Valign, "top");
writer.RenderBeginTag(HtmlTextWriterTag.Tr);
writer.AddAttribute(HtmlTextWriterAttribute.Align, "left");
writer.RenderBeginTag(HtmlTextWriterTag.Th);
writer.Write("Name");
writer.RenderEndTag(); // </th>
writer.AddAttribute(HtmlTextWriterAttribute.Align, "left");
writer.RenderBeginTag(HtmlTextWriterTag.Th);
writer.Write("Value");
writer.RenderEndTag(); // </th>
writer.RenderEndTag(); // </tr>
//
// Write the main body of the table containing keys
// and values in a two-column layout.
//
foreach (string key in collection.Keys)
{
writer.AddAttribute(HtmlTextWriterAttribute.Valign, "top");
writer.RenderBeginTag(HtmlTextWriterTag.Tr);
writer.RenderBeginTag(HtmlTextWriterTag.Td);
HttpUtility.HtmlEncode(key, writer);
writer.RenderEndTag(); // </td>
writer.RenderBeginTag(HtmlTextWriterTag.Td);
string value = Mask.NullString(collection[key]);
if (value.Length != 0)
{
HttpUtility.HtmlEncode(value, writer);
}
else
{
writer.Write(" ");
}
writer.RenderEndTag(); // </td>
writer.RenderEndTag(); // </tr>
}
writer.RenderEndTag(); // </table>
writer.WriteLine();
}
public IAsyncResult BeginProcessRequest(HttpContext context, AsyncCallback cb, object extraData)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
if (_result != null)
{
throw new InvalidOperationException("An asynchronous operation is already pending.");
}
HttpRequest request = context.Request;
NameValueCollection query = request.QueryString;
//
// Limit the download by some maximum # of records?
//
_maxDownloadCount = Math.Max(0, Convert.ToInt32(query["limit"], CultureInfo.InvariantCulture));
//
// Determine the desired output format.
//
string format = Mask.EmptyString(query["format"], "csv").ToLower(CultureInfo.InvariantCulture);
switch (format)
{
case "csv": _format = new CsvFormat(context); break;
case "jsonp": _format = new JsonPaddingFormat(context); break;
case "html-jsonp": _format = new JsonPaddingFormat(context, /* wrapped */ true); break;
default:
throw new Exception("Request log format is not supported.");
}
Debug.Assert(_format != null);
//
// Emit format header, initialize and then fetch results.
//
context.Response.BufferOutput = false;
_format.Header();
AsyncResult result = _result = new AsyncResult(extraData);
_log = ErrorLog.GetDefault(context);
_pageIndex = 0;
_lastBeatTime = DateTime.Now;
_context = context;
_callback = cb;
_errorEntryList = new List <ErrorLogEntry>(_pageSize);
_log.BeginGetErrors(_pageIndex, _pageSize, _errorEntryList,
new AsyncCallback(GetErrorsCallback), null);
return(result);
}
private void RenderErrors(HtmlTextWriter writer)
{
Debug.Assert(writer != null);
//
// Create a table to display error information in each row.
//
Table table = new Table();
table.ID = "ErrorLog";
table.CellSpacing = 0;
//
// Create the table row for headings.
//
TableRow headRow = new TableRow();
headRow.Cells.Add(FormatCell(new TableHeaderCell(), "Host", "host-col"));
headRow.Cells.Add(FormatCell(new TableHeaderCell(), "Code", "code-col"));
headRow.Cells.Add(FormatCell(new TableHeaderCell(), "Type", "type-col"));
headRow.Cells.Add(FormatCell(new TableHeaderCell(), "Error", "error-col"));
headRow.Cells.Add(FormatCell(new TableHeaderCell(), "User", "user-col"));
headRow.Cells.Add(FormatCell(new TableHeaderCell(), "Date", "date-col"));
headRow.Cells.Add(FormatCell(new TableHeaderCell(), "Time", "time-col"));
table.Rows.Add(headRow);
//
// Generate a table body row for each error.
//
for (int errorIndex = 0; errorIndex < _errorEntryList.Count; errorIndex++)
{
ErrorLogEntry errorEntry = (ErrorLogEntry)_errorEntryList[errorIndex];
Error error = errorEntry.Error;
TableRow bodyRow = new TableRow();
bodyRow.CssClass = errorIndex % 2 == 0 ? "even-row" : "odd-row";
//
// Format host and status code cells.
//
bodyRow.Cells.Add(FormatCell(new TableCell(), error.HostName, "host-col"));
bodyRow.Cells.Add(FormatCell(new TableCell(), error.StatusCode.ToString(), "code-col", Mask.NullString(HttpWorkerRequest.GetStatusDescription(error.StatusCode))));
bodyRow.Cells.Add(FormatCell(new TableCell(), ErrorDisplay.HumaneExceptionErrorType(error), "type-col", error.Type));
//
// Format the message cell, which contains the message
// text and a details link pointing to the page where
// all error details can be viewed.
//
TableCell messageCell = new TableCell();
messageCell.CssClass = "error-col";
Label messageLabel = new Label();
messageLabel.Text = this.Server.HtmlEncode(error.Message);
HyperLink detailsLink = new HyperLink();
detailsLink.NavigateUrl = BasePageName + "/detail?id=" + HttpUtility.UrlEncode(errorEntry.Id);
detailsLink.Text = "Details…";
messageCell.Controls.Add(messageLabel);
messageCell.Controls.Add(new LiteralControl(" "));
messageCell.Controls.Add(detailsLink);
bodyRow.Cells.Add(messageCell);
//
// Format the user, date and time cells.
//
bodyRow.Cells.Add(FormatCell(new TableCell(), error.User, "user-col"));
bodyRow.Cells.Add(FormatCell(new TableCell(), error.Time.ToShortDateString(), "date-col",
error.Time.ToLongDateString()));
bodyRow.Cells.Add(FormatCell(new TableCell(), error.Time.ToShortTimeString(), "time-col",
error.Time.ToLongTimeString()));
//
// Finally, add the row to the table.
//
table.Rows.Add(bodyRow);
}
table.RenderControl(writer);
}
/// <summary>
/// Schedules the error to be e-mailed synchronously.
/// </summary>
protected virtual void ReportError(Error error)
{
if (error == null)
{
throw new ArgumentNullException("error");
}
//
// Start by checking if we have a sender and a recipient.
// These values may be null if someone overrides the
// implementation of OnInit but does not override the
// MailSender and MailRecipient properties.
//
string sender = Mask.NullString(this.MailSender);
string recipient = Mask.NullString(this.MailRecipient);
string copyRecipient = Mask.NullString(this.MailCopyRecipient);
#if NET_1_0 || NET_1_1
//
// The sender can be defaulted in the <system.net> settings in 2.0
//
if (sender.Length == 0)
{
return;
}
#endif
if (recipient.Length == 0)
{
return;
}
//
// Create the mail, setting up the sender and recipient and priority.
//
MailMessage mail = new MailMessage();
mail.Priority = this.MailPriority;
#if NET_1_0 || NET_1_1
mail.From = sender;
mail.To = recipient;
if (copyRecipient.Length > 0)
{
mail.Cc = copyRecipient;
}
#else
mail.From = new MailAddress(sender);
mail.To.Add(recipient);
if (copyRecipient.Length > 0)
{
mail.CC.Add(copyRecipient);
}
#endif
//
// Format the mail subject.
//
string subjectFormat = Mask.EmptyString(this.MailSubjectFormat, "Error ({1}): {0}");
mail.Subject = string.Format(subjectFormat, error.Message, error.Type).
Replace('\r', ' ').Replace('\n', ' ');
//
// Format the mail body.
//
ErrorTextFormatter formatter = CreateErrorFormatter();
StringWriter bodyWriter = new StringWriter();
formatter.Format(bodyWriter, error);
mail.Body = bodyWriter.ToString();
switch (formatter.MimeType)
{
#if NET_1_0 || NET_1_1
case "text/html": mail.BodyFormat = MailFormat.Html; break;
case "text/plain": mail.BodyFormat = MailFormat.Text; break;
#else
case "text/html": mail.IsBodyHtml = true; break;
case "text/plain": mail.IsBodyHtml = false; break;
#endif
default:
{
throw new ApplicationException(string.Format(
"The error mail module does not know how to handle the {1} media type that is created by the {0} formatter.",
formatter.GetType().FullName, formatter.MimeType));
}
}
#if NET_1_1
//
// If the mail needs to be delivered to a particular SMTP server
// then set-up the corresponding CDO configuration fields of the
// mail message.
//
string smtpServer = Mask.NullString(this.SmtpServer);
if (smtpServer.Length > 0)
{
IDictionary fields = mail.Fields;
fields.Add(CdoConfigurationFields.SendUsing, /* cdoSendUsingPort */ 2);
fields.Add(CdoConfigurationFields.SmtpServer, smtpServer);
int smtpPort = this.SmtpPort;
fields.Add(CdoConfigurationFields.SmtpServerPort, smtpPort <= 0 ? 25 : smtpPort);
//
// If the SMTP server requires authentication (indicated by
// non-blank user name and password settings) then set-up
// the corresponding CDO configuration fields of the mail
// message.
//
string userName = Mask.NullString(this.AuthUserName);
string password = Mask.NullString(this.AuthPassword);
if (userName.Length > 0 && password.Length > 0)
{
fields.Add(CdoConfigurationFields.SmtpAuthenticate, 1);
fields.Add(CdoConfigurationFields.SendUserName, userName);
fields.Add(CdoConfigurationFields.SendPassword, password);
}
}
#endif
MailAttachment ysodAttachment = null;
ErrorMailEventArgs args = new ErrorMailEventArgs(error, mail);
try
{
//
// If an HTML message was supplied by the web host then attach
// it to the mail if not explicitly told not to do so.
//
if (!NoYsod && error.WebHostHtmlMessage.Length > 0)
{
ysodAttachment = CreateHtmlAttachment("YSOD", error.WebHostHtmlMessage);
if (ysodAttachment != null)
{
mail.Attachments.Add(ysodAttachment);
}
}
//
// Send off the mail with some chance to pre- or post-process
// using event.
//
OnMailing(args);
SendMail(mail);
OnMailed(args);
}
finally
{
#if NET_1_0 || NET_1_1
//
// Delete any attached files, if necessary.
//
if (ysodAttachment != null)
{
File.Delete(ysodAttachment.Filename);
mail.Attachments.Remove(ysodAttachment);
}
#endif
OnDisposingMail(args);
#if !NET_1_0 && !NET_1_1
mail.Dispose();
#endif
}
}
public Item(string text, string title, string href)
{
_text = Mask.NullString(text);
_title = Mask.NullString(title);
_href = Mask.NullString(href);
}
public override void Execute()
{
WriteLiteral("\r\n");
#line 3 "..\..\PoweredBy.cshtml"
var about = GetAbout((version, fileVersion, product, copyright) => new
{
Version = version != null
? version.ToString()
: fileVersion != null
? fileVersion.ToString()
: "?.?.?.?",
Product = Mask.EmptyString(product, "(product)"),
Copyright = copyright,
});
#line default
#line hidden
WriteLiteral("<span>\r\n Powered by <a href=\"http://elmah.googlecode.com/\">");
#line 15 "..\..\PoweredBy.cshtml"
Write(about.Product);
#line default
#line hidden
WriteLiteral("</a>,\r\n version ");
#line 16 "..\..\PoweredBy.cshtml"
Write(about.Version);
#line default
#line hidden
#line 16 "..\..\PoweredBy.cshtml"
#if DEBUG
#line default
#line hidden
WriteLiteral(" (");
#line 18 "..\..\PoweredBy.cshtml"
Write(Build.Configuration);
#line default
#line hidden
WriteLiteral(")");
#line 18 "..\..\PoweredBy.cshtml"
#endif
#line default
#line hidden
WriteLiteral(".\r\n ");
#line 20 "..\..\PoweredBy.cshtml"
Write(about.Copyright);
#line default
#line hidden
WriteLiteral("\r\n Licensed under <a href=\"http://www.apache.org/licenses/LICENSE-2.0\">Apache " +
"License, Version 2.0</a>.\r\n</span>\r\n");
}
public static string BindFormatToken(string token, object[] args, IFormatProvider provider)
{
if (token == null)
{
throw new ArgumentNullException("token");
}
if (token.Length == 0)
{
throw new ArgumentException("Format token cannot be an empty string.", "token");
}
if (args == null)
{
throw new ArgumentNullException("args");
}
if (args.Length == 0)
{
throw new ArgumentException("Missing replacement arguments.", "args");
}
object source = args[0];
int dotIndex = token.IndexOf('.');
int sourceIndex;
if (dotIndex > 0 && 0 <= (sourceIndex = TryParseUnsignedInteger(token.Substring(0, dotIndex))))
{
source = args[sourceIndex];
token = token.Substring(dotIndex + 1);
}
string format = string.Empty;
int colonIndex = token.IndexOf(':');
if (colonIndex > 0)
{
format = "{0:" + token.Substring(colonIndex + 1) + "}";
token = token.Substring(0, colonIndex);
}
if ((sourceIndex = TryParseUnsignedInteger(token)) >= 0)
{
source = args[sourceIndex];
token = null;
}
object result;
try
{
result = DataBinder.Eval(source, token);
if (result == null)
{
result = string.Empty;
}
}
catch (HttpException e) // Map silly exception type from DataBinder.Eval
{
throw new FormatException(e.Message, e);
}
return(Mask.NullString(format).Length > 0
? string.Format(provider, format, result)
: result.ToString());
}
public override string ToString()
{
return(Mask.EmptyString(MemberName, "<?member>")
+ "@" + Mask.EmptyString(FilePath, "<?filename>")
+ ":" + LineNumber.ToInvariantString());
}
