/// <summary>
/// Copies one directory, all files, and all sub directories to another directory.
/// </summary>
/// <param name="sourceDirectory">Directory to copy files and sub-directories from. </param>
/// <param name="destinationDirectory">Directory to copy files and sub-directories to. </param>
/// <param name="overwriteFlag">Determines whether or not to overwrite a file if it already exists at the given location</param>
internal static void CopyDirectories(string sourceDirectory, string destinationDirectory, bool overwriteFlag, bool useImpersonation)
{
SecurityACL dacl = null;
try
{
sourceDirectory = SharedSupport.AddBackSlashToDirectory(sourceDirectory);
destinationDirectory = SharedSupport.AddBackSlashToDirectory(destinationDirectory);
if (!Directory.Exists(sourceDirectory))
{
//If the source directory does not exist throw a new error.
throw new DirectoryNotFoundException(SharedSupport.GetLocalizedString("StudentAssignment_DirectoryNotFound") + sourceDirectory);
}
if (!Directory.Exists(destinationDirectory))
{
if (useImpersonation)
{
// Impersonate the AM User
ImpersonateUser User = null;
try
{
User = new ImpersonateUser();
// Login
User.Logon();
// start impersonating
User.Start();
//if the destination does not exist, create it.
Directory.CreateDirectory(destinationDirectory);
}
finally
{
if (User != null)
{
// stop impersonating
User.Stop();
User.Dispose();
}
}
}
else
{
Directory.CreateDirectory(destinationDirectory);
}
}
//copy each file in the current directory
string[] f = Directory.GetFiles(sourceDirectory);
dacl = new SecurityACL(Constants.AMUserName);
for (int i = 0; i < f.Length; i++)
{
if (!File.Exists(f[i].ToString()))
{
throw new FileNotFoundException(sourceDirectory + f[i].ToString());
}
else
{
string sourceFile = sourceDirectory + Path.GetFileName(f[i].ToString());
string destinationFile = destinationDirectory + Path.GetFileName(f[i].ToString());
File.Copy(sourceFile, destinationFile, overwriteFlag);
dacl.ApplyACLToFile(destinationFile);
}
}
// recursively copy each subdirectory in the current directory
string[] d = Directory.GetDirectories(sourceDirectory);
if (d.Length > 0)
{
for (int i = 0; i < d.Length; i++)
{
string sourceDir = d[i].ToString();
string destDir = destinationDirectory + d[i].ToString().Replace(sourceDirectory, String.Empty);
if (!Directory.Exists(destDir))
{
if (useImpersonation)
{
// Impersonate the AM User
ImpersonateUser User = null;
try
{
User = new ImpersonateUser();
// Login
User.Logon();
// start impersonating
User.Start();
//if the destination does not exist, create it.
Directory.CreateDirectory(destDir);
}
finally
{
if (User != null)
{
// stop impersonating
User.Stop();
User.Dispose();
}
}
}
else
{
Directory.CreateDirectory(destDir);
}
}
ServerAction.CopyDirectories(sourceDir, destDir, overwriteFlag, useImpersonation);
}
}
}
catch (Exception ex)
{
SharedSupport.HandleError(ex);
}
finally
{
if (dacl != null)
{
dacl.Dispose();
}
}
}
public void RunService()
{
//Spawn new process - invoking the compiledFile
UserProcess oProcess = new UserProcess();
try
{
// set actual output file location
actualOutputFileLocation = workingDirectory + actualOutputFile;
//Set process start parameters
ProcessStartInfo psi = new ProcessStartInfo();
psi.Arguments = commandLineParams;
psi.FileName = compiledFileName;
psi.WorkingDirectory = workingDirectory;
psi.RedirectStandardOutput = true;
psi.RedirectStandardError = false;
psi.UseShellExecute = false;
if (File.Exists(inputFileLocation))
{
oProcess.InputFile = workingDirectory + Guid.NewGuid() + ".txt";
File.Copy(inputFileLocation, oProcess.InputFile, true);
psi.RedirectStandardInput = true;
try
{
SecurityACL dacl = new SecurityACL(Constants.AMUserName);
dacl.ApplyACLToFile(oProcess.InputFile);
}
catch (Exception)
{
// Continue on. If we fail to apply the ACL, we may still be able
// to autocheck (i.e. if user has set custom permissions.
}
}
oProcess.StartInfo = psi;
oProcess.OutputFile = actualOutputFileLocation;
//Log start
SharedSupport.LogMessage(SharedSupport.GetLocalizedString("StudentAssignment_CheckStart"));
if (!oProcess.Run(processTime))
{
throw new System.Exception(SharedSupport.GetLocalizedString("ServerAction_FailedCreateTestProcess"));
}
//wait to see if process comes back in time. Otherwise if it runs too long - kill it
if (!oProcess.HasExited)
{
SharedSupport.LogMessage(SharedSupport.GetLocalizedString("StudentAssignment_CheckKilled"));
throw new System.Exception(SharedSupport.GetLocalizedString("StudentAssignemtn_CheckExceededProcessTime"));
}
else
{
SharedSupport.LogMessage(SharedSupport.GetLocalizedString("StudentAssignment_CheckEnd"));
}
}
catch (Exception ex)
{
checkSuccessful = false;
errorString = ex.Message;
SharedSupport.HandleError(ex);
}
}