/// <summary>
/// Object constructor.
/// </summary>
public BugTrapService(bool interactiveMode)
{
this.interactiveMode = interactiveMode;
this.acceptCompleted = new ManualResetEvent(false);
this.stopServiceEvent = new ManualResetEvent(false);
this.endRequestEvent = new AutoResetEvent(false);
this.applicationSettings = (ApplicationSettings)ConfigurationManager.GetSection("applicationSettings");
this.AutoLog = this.applicationSettings.LogEvents;
this.InitializeComponent();
this.LoadDirectories();
}
/// <summary>
/// Send notification e-mail.
/// </summary>
/// <param name="applicationSettings">Application settings.</param>
/// <param name="email">Notification e-mail address.</param>
/// <param name="appTitle">Application title.</param>
private void SendEMail(ApplicationSettings applicationSettings, string email, string appTitle)
{
if (!string.IsNullOrEmpty(applicationSettings.SmtpHost) &&
!string.IsNullOrEmpty(email))
{
string senderAddress = applicationSettings.SenderAddress ?? string.Empty;
MailMessage message = new MailMessage(senderAddress, email);
message.Subject = '\"' + appTitle + "\" error report";
message.Body = "BugTrap server received error report of \"" + appTitle + "\" on " + DateTime.Now.ToString();
SmtpClient smtpClient;
if (applicationSettings.SmtpPort > 0)
smtpClient = new SmtpClient(applicationSettings.SmtpHost, applicationSettings.SmtpPort);
else
smtpClient = new SmtpClient(applicationSettings.SmtpHost);
if (applicationSettings.SmtpUser != null)
smtpClient.Credentials = new NetworkCredential(applicationSettings.SmtpUser, applicationSettings.SmtpPassword);
smtpClient.Send(message);
}
}
/// <summary>
/// Find application entry in the application item list.
/// </summary>
/// <param name="applicationSettings">Application settings.</param>
/// <param name="appEntry">Application entry to search for.</param>
/// <returns>True if appropriate entry was found and false otherwise.</returns>
private bool FindAppEntry(ApplicationSettings applicationSettings, AppEntry appEntry)
{
Set<AppEntry> applicationList = applicationSettings.ApplicationList;
if (applicationList == null || applicationList.Count == 0)
return true;
if (applicationList.Contains(appEntry))
return true;
if (appEntry.Version != null)
{
AppEntry appEntry2 = new AppEntry(appEntry.Name);
if (applicationList.Contains(appEntry2))
return true;
}
return false;
}
/// <summary>
/// Find report file extension in the list of accepted extensions.
/// </summary>
/// <param name="applicationSettings">Application settings.</param>
/// <param name="extension">Report file extension.</param>
/// <returns>True if appropriate extension was found and false otherwise.</returns>
private bool FindReportFileExtension(ApplicationSettings applicationSettings, string extension)
{
Set<string> reportFileExtensions = applicationSettings.ReportFileExtensions;
if (reportFileExtensions == null || reportFileExtensions.Count == 0)
return true;
return reportFileExtensions.Contains(extension);
}
/// <summary>
/// Handle client request.
/// </summary>
private void HandleRequest()
{
ApplicationSettings applicationSettings = (ApplicationSettings)this.Application["applicationSettings"];
Dictionary <string, AppDirInfo> lastReportNumbers = (Dictionary <string, AppDirInfo>) this.Application["lastReportNumbers"];
if (this.Request.Form["protocolSignature"] != RequestHandler.protocolSignature)
{
throw new ApplicationException("Unsupported protocol version");
}
MessageType messageType = (MessageType)byte.Parse(this.Request.Form["messageType"]);
if (messageType != MessageType.CompundMessage)
{
throw new Exception("Unsupported message type");
}
CompoundMessageFlags messageFlags = (CompoundMessageFlags)uint.Parse(this.Request.Form["messageFlags"]);
if (messageFlags != CompoundMessageFlags.None)
{
throw new Exception("Unsupported message flags");
}
string appName = this.Request.Form["appName"];
string appVersion = this.Request.Form["appVersion"];
if (appName == string.Empty)
{
appName = "(UNTITLED)";
}
string appTitle = appVersion == string.Empty ? appName : appName + ' ' + appVersion;
AppEntry appEntry = new AppEntry(appName, appVersion);
if (!this.FindAppEntry(applicationSettings, appEntry))
{
throw new Exception("Report excluded by filter");
}
string extension = this.Request.Form["reportFileExtension"];
if (!this.FindReportFileExtension(applicationSettings, extension))
{
throw new Exception("Invalid report file extension");
}
HttpPostedFile reportDataFile = this.Request.Files["reportData"];
if (reportDataFile == null)
{
throw new Exception("Invalid report data");
}
int reportSize = reportDataFile.ContentLength;
if ((applicationSettings.MaxReportSize >= 0 && reportSize > applicationSettings.MaxReportSize) || reportSize <= 0)
{
throw new Exception("Report exceeds size limit");
}
string email = this.Request.Form["notificationEMail"];
string dirName = GetAppDirName(appTitle);
int maxReportNumber = 0, numReports = 0;
lock (lastReportNumbers)
{
AppDirInfo appDirInfo;
if (lastReportNumbers.TryGetValue(dirName, out appDirInfo))
{
maxReportNumber = appDirInfo.MaxReportNumber;
numReports = appDirInfo.NumReports;
}
if (applicationSettings.ReportsLimit >= 0 && numReports > applicationSettings.ReportsLimit)
{
throw new ApplicationException("Number of reports exceeds the limit");
}
if (appDirInfo == null)
{
appDirInfo = new AppDirInfo();
lastReportNumbers[dirName] = appDirInfo;
}
appDirInfo.NumReports = ++numReports;
appDirInfo.MaxReportNumber = ++maxReportNumber;
}
string reportDir = Path.Combine(applicationSettings.ReportPath, dirName);
Directory.CreateDirectory(reportDir);
string fileName = Global.GetReportName(applicationSettings, maxReportNumber, extension);
string filePath = Path.Combine(reportDir, fileName);
Stream inputStream = null;
FileStream outputStream = null;
try
{
inputStream = reportDataFile.InputStream;
outputStream = new FileStream(filePath, FileMode.Create, FileAccess.ReadWrite, FileShare.None);
byte[] reportData = new byte[1024];
while (reportSize > 0)
{
int chunkSize = Math.Min(reportSize, reportData.Length);
inputStream.Read(reportData, 0, chunkSize);
outputStream.Write(reportData, 0, chunkSize);
reportSize -= chunkSize;
}
this.SendEMail(applicationSettings, email, appTitle);
}
finally
{
if (inputStream != null)
{
inputStream.Close();
}
if (outputStream != null)
{
outputStream.Close();
}
}
}