/// <summary>
/// SFTP procedure to upload or download files
/// </summary>
/// <param name="blShuttingDown"></param>
public void SFTP(ref bool blShuttingDown)
{
SftpClient sftp = null;
try
{
string upassword = "";
AES256 aes = new AES256(ep);
if (_password.Length > 0)
{
upassword = aes.Decrypt(_password);
}
if (string.IsNullOrEmpty(KeyFileDirectory))
{
sftp = new SftpClient(Host, Port, Username, upassword);
}
else
{
KeyFiles = Common.WalkDirectory(KeyFileDirectory, ref blShuttingDown);
List<PrivateKeyFile> PKeyFiles = new List<PrivateKeyFile>();
foreach (FileInfo kfile in KeyFiles)
{
PrivateKeyFile p;
if (UsePassPhrase)
{
p = new PrivateKeyFile(kfile.FullName, upassword);
}
else
{
p = new PrivateKeyFile(kfile.FullName);
}
PKeyFiles.Add(p);
}
sftp = new SftpClient(Host, Port, Username, PKeyFiles.ToArray());
}
BackupFolder = BackupFolder.Replace("\\\\", "\\");
UploadFiles = Common.WalkDirectory(BackupFolder, ref blShuttingDown, FileNameFilter);
sftp.Connect();
upassword = "";
_evt.WriteEntry("Remote Sync SFTP: Connected successfully to Host: " + Host, System.Diagnostics.EventLogEntryType.Information,1005, 10);
switch (TransferDirection)
{
case TransferDirectionOptions.Upload:
List<DirectoryInfo> Dirs = null;
Stream ureader = null;
try
{
string strRemotePath = "";
strRemotePath = Common.FixNullstring(RemoteDirectory);
if (RemoteDirectory != "")
{
strRemotePath = RemoteDirectory + "/";
}
strRemotePath = Common.RemotePathClean(Common.FixNullstring(strRemotePath));
BackupFolder = Common.WindowsPathClean(Common.FixNullstring(BackupFolder));
if (!string.IsNullOrEmpty(strRemotePath))
{
if (!sftp.Exists(strRemotePath))
{
sftp.CreateDirectory(strRemotePath);
}
sftp.ChangeDirectory(strRemotePath);
}
//Create Directories
Dirs = Common.GetAllDirectories(BackupFolder);
foreach (DirectoryInfo dir in Dirs)
{
if (blShuttingDown)
{
throw new Exception("Shutting Down");
}
try
{
strRemotePath = dir.FullName;
strRemotePath = Common.RemotePathCombine(RemoteDirectory, strRemotePath, BackupFolder);
if (blShuttingDown)
{
_evt.WriteEntry("Remote Sync: Shutting Down, about to Create a Folder: " + strRemotePath, System.Diagnostics.EventLogEntryType.Information, 1040, 10);
return;
}
}
catch (Exception)
{
_evt.WriteEntry("Remote Sync: Folder Path Text Formatting Error: " + strRemotePath, System.Diagnostics.EventLogEntryType.Error, 1040, 10);
}
try
{
sftp.CreateDirectory(strRemotePath);
_evt.WriteEntry("Remote Sync: Folder Created on " + Host + ": " + strRemotePath, System.Diagnostics.EventLogEntryType.Information, 1040, 10);
}
catch (Exception)
{
}
}
//Upload every file found and place in the correct directory
UploadFiles = Common.WalkDirectory(BackupFolder, ref blShuttingDown, FileNameFilter);
foreach (FileInfo ufile in UploadFiles)
{
try
{
bool blFileFound = false;
bool blOverwriteFile = false;
if (blShuttingDown)
{
throw new Exception("Shutting Down");
}
strRemotePath = ufile.DirectoryName;
strRemotePath = Common.RemotePathCombine(Common.FixNullstring(RemoteDirectory),strRemotePath,Common.FixNullstring(BackupFolder));
if (!string.IsNullOrEmpty(strRemotePath))
{
sftp.ChangeDirectory(strRemotePath);
}
strRemotePath = Common.RemotePathCombine(strRemotePath, ufile.Name);
if (sftp.Exists(strRemotePath))
{
blFileFound = true;
//if (!((ufile.LastWriteTimeUtc == sftp.GetLastWriteTimeUtc(strRemotePath))))
SftpFile mupload = sftp.Get(strRemotePath);
if (ufile.Length != mupload.Length)
{
blOverwriteFile = true;
}
}
if (sftp.Exists(strRemotePath + ".7z"))
{
blFileFound = true;
SftpFile mupload = sftp.Get(strRemotePath + ".7z");
//File Size can't be used to compare and last write time cannot be modified so can't compare
blOverwriteFile = true; //Overwrite Options can be specified by the user
/*if (!((ufile.LastWriteTimeUtc == mupload.LastWriteTimeUtc)))
{
blOverwriteFile = true;
}*/
}
if (blShuttingDown)
{
_evt.WriteEntry("Remote Sync: Shutting Down, about to possibly upload a file: " + ufile.FullName + " Host: " + Host + " To: " + strRemotePath, System.Diagnostics.EventLogEntryType.Information, 1010, 10);
return;
}
if ((blFileFound == false || blOverwriteFile || (Overwrite == OverwriteOptions.ForceOverwrite && blFileFound)) && !(Overwrite == OverwriteOptions.NoOverwrite && blFileFound == true))
{
/*if (sftp.Exists(ufile.FullName))
{
SftpFileAttributes fa=sftp.GetAttributes(ufile.FullName);
fa.OwnerCanWrite = true;
fa.OthersCanWrite = true;
fa.GroupCanWrite = true;
sftp.SetAttributes(ufile.FullName,fa);
sftp.DeleteFile(ufile.FullName);
}*/
ureader = new FileStream(ufile.FullName, FileMode.Open);
//sftp.UploadFile(File.OpenRead(ufile.FullName), strRemotePath);
sftp.UploadFile(ureader, strRemotePath);
_evt.WriteEntry("Remote Sync SFTP: File Uploaded: " + ufile.FullName + " Host: " + Host + " To: " + strRemotePath, System.Diagnostics.EventLogEntryType.Information, 1010, 10);
ureader.Close();
ureader = null;
//sftp.SetLastWriteTime(ufile.Name, ufile.LastWriteTimeUtc); //not implemented yet
}
}
catch (Exception ex)
{
_evt.WriteEntry("Remote Sync SFTP: Host: " + Host + "Upload of FileName: " + ufile.FullName + " Error: " + ex.Message, System.Diagnostics.EventLogEntryType.Error, 1000, 10);
}
}
}
catch (Exception exsftup)
{
_evt.WriteEntry("Remote Sync SFTP: Host: " + Host + " Error: " + exsftup.Message, System.Diagnostics.EventLogEntryType.Error, 1000, 10);
}
finally
{
if (Dirs != null)
{
Dirs.Clear();
}
Dirs = null;
if (ureader != null)
{
ureader.Close();
ureader = null;
}
if (UploadFiles != null)
{
UploadFiles.Clear();
}
UploadFiles = null;
}
break;
case TransferDirectionOptions.Download:
List<RemoteFile> RemoteFiles=null;
try
{
if (!string.IsNullOrEmpty(RemoteDirectory))
{
sftp.ChangeDirectory(RemoteDirectory);
}
RemoteFiles = Common.GetRemoteDirectories(RemoteDirectory, sftp, "");
//Creates Folder Locally in the BackupFolder
Common.CreateLocalFolderStructure(RemoteFiles, BackupFolder);
//Downloads Files in each directory
foreach (RemoteFile ftpfile in RemoteFiles)
{
string DownloadPath = "";
string strLocalFilePath = "";
string strRemoteFilePath = "";
if (blShuttingDown)
{
throw new Exception("Shutting Down");
}
try
{
DownloadPath = Common.RemotePathCombine(RemoteDirectory,ftpfile.ParentDirectory);
if (!ftpfile.IsDirectory)
{
strLocalFilePath = Common.WindowsPathCombine(BackupFolder, ftpfile.ParentDirectory);
strLocalFilePath = Common.WindowsPathCombine(strLocalFilePath, ftpfile.Name);
strRemoteFilePath = Common.RemotePathCombine(DownloadPath, ftpfile.Name);
if (blShuttingDown)
{
if (sftp != null)
{
if (sftp.IsConnected)
{
sftp.Disconnect();
}
sftp.Dispose();
}
_evt.WriteEntry("Remote Sync: Shutting Down, about to possibly download a Host: " + Host + " file: " + DownloadPath + "/" + ftpfile.Name + " From: " + strLocalFilePath, System.Diagnostics.EventLogEntryType.Information, 1020, 10);
return;
}
if (Common.DownloadFile(strLocalFilePath, strRemoteFilePath, ftpfile, Overwrite))
{
if (Common.FixNullstring(FileNameFilter) != "" && Common.VerifyPattern(FileNameFilter))
{
if (Common.FileNameMatchesPattern(FileNameFilter, ftpfile.Name))
{
if (File.Exists(strLocalFilePath))
{
File.SetAttributes(strLocalFilePath, FileAttributes.Normal);
File.Delete(strLocalFilePath);
}
using (FileStream fs = new FileStream(strLocalFilePath, FileMode.Create))
{
sftp.DownloadFile(strRemoteFilePath, fs);
_evt.WriteEntry("Remote Sync SFTP: File Downloaded: " + strRemoteFilePath + " Host: " + Host + " To: " + strLocalFilePath, System.Diagnostics.EventLogEntryType.Information, 1020, 10);
fs.Close();
}
}
}
else
{
if (File.Exists(strLocalFilePath))
{
File.SetAttributes(strLocalFilePath, FileAttributes.Normal);
File.Delete(strLocalFilePath);
}
using (FileStream fs = new FileStream(strLocalFilePath, FileMode.Create))
{
sftp.DownloadFile(strRemoteFilePath, fs);
_evt.WriteEntry("Remote Sync SFTP: File Downloaded: " + strRemoteFilePath + " Host: " + Host + " To: " + strLocalFilePath, System.Diagnostics.EventLogEntryType.Information, 1020, 10);
fs.Close();
}
}
}
}
}
catch (Exception exintry)
{
_evt.WriteEntry("Remote Sync SFTP: File Download Error: " + DownloadPath + "/" + ftpfile.Name + " Host: " + Host + " To: " + strLocalFilePath + " Error: " + exintry.Message, System.Diagnostics.EventLogEntryType.Error, 1000, 10);
}
}
/*
//Example Simple Usage
RemoteFiles = sftp.ListDirectory(".");
foreach (Renci.SshNet.Sftp.SftpFile ftpfile in RemoteFiles)
{
using (FileStream fs = new FileStream(BackupFolder + "\\" + ftpfile.Name, FileMode.Create))
{
sftp.DownloadFile(ftpfile.FullName, fs);
}
}
*/
}
catch (Exception excon)
{
_evt.WriteEntry("Remote Sync SFTP: Host: " + Host + " Error: " + excon.Message, System.Diagnostics.EventLogEntryType.Error, 1000, 10);
}
finally
{
if (RemoteFiles != null)
{
RemoteFiles.Clear();
}
RemoteFiles = null;
}
break;
}
}
catch (Exception ex)
{
_evt.WriteEntry("Remote Sync SFTP: Host: " + Host + " Error: " + ex.Message, System.Diagnostics.EventLogEntryType.Error, 1000, 10);
}
finally
{
if (sftp != null)
{
if (sftp.IsConnected)
{
sftp.Disconnect();
}
sftp.Dispose();
}
sftp = null;
}
}
/// <summary>
/// FTPS procedure to upload or download files
/// </summary>
/// <param name="blShuttingDown"></param>
public void FTPs(ref bool blShuttingDown)
{
FTPSClient FTPS = null;
bool blFileFound = false;
bool blOverwriteFile = false;
try
{
FTPS = new FTPSClient();
AES256 aes = new AES256(ep);
string upassword = aes.Decrypt(_password);
if (Protocol == ProtocolOptions.FTP)
{
FTPS.Connect(Host, Port, new NetworkCredential(Username, upassword), ESSLSupportMode.ClearText, null, null, 0, 0, 0, Timeout);
}
else
{
if (AllowAnyCertificate)
{
if (Protocol == ProtocolOptions.FTPsExplicit)
{
FTPS.Connect(Host, Port, new NetworkCredential(Username, upassword), ESSLSupportMode.CredentialsRequired | ESSLSupportMode.DataChannelRequested, new RemoteCertificateValidationCallback(ValidateTestServerCertificate), null, 0, 0, 0, Timeout);
}
else
{
FTPS.Connect(Host, Port, new NetworkCredential(Username, upassword), ESSLSupportMode.Implicit, new RemoteCertificateValidationCallback(ValidateTestServerCertificate), null, 0, 0, 0, Timeout);
}
}
else
{
if (Protocol == ProtocolOptions.FTPsExplicit)
{
FTPS.Connect(Host, Port, new NetworkCredential(Username, upassword), ESSLSupportMode.CredentialsRequired | ESSLSupportMode.DataChannelRequested, new RemoteCertificateValidationCallback(ValidateServerCertificate), null, 0, 0, 0, Timeout);
}
else
{
FTPS.Connect(Host, Port, new NetworkCredential(Username, upassword), ESSLSupportMode.Implicit, new RemoteCertificateValidationCallback(ValidateServerCertificate), null, 0, 0, 0, Timeout);
}
}
}
_evt.WriteEntry("Remote Sync: FTPS Connected Successfully to: " + Host, System.Diagnostics.EventLogEntryType.Information, 2005, 20);
upassword = "";
switch (TransferDirection)
{
case TransferDirectionOptions.Upload:
BackupFolder = BackupFolder.Replace("\\\\", "\\");
IList<DirectoryListItem> RemoteFilesU=null;
try
{
FTPS.SetCurrentDirectory(RemoteDirectory);
RemoteFilesU = FTPS.GetDirectoryList();
UploadFiles = Common.WalkDirectory(BackupFolder, ref blShuttingDown, FileNameFilter);
//CreateRemote Directories
foreach (DirectoryInfo dir in Common.GetAllDirectories(BackupFolder))
{
string strRemotePath = "";
strRemotePath=Common.RemotePathCombine(RemoteDirectory, dir.FullName, BackupFolder);
if (blShuttingDown)
{
throw new Exception("Shutting Down");
}
if (blShuttingDown)
{
_evt.WriteEntry("Remote Sync: Shutting down about to possibly create a folder on Host: " + Host + " Folder: " + strRemotePath, System.Diagnostics.EventLogEntryType.Information, 2040, 20);
return;
}
try
{
FTPS.MakeDir(strRemotePath);
_evt.WriteEntry("Remote Sync: Folder Created on " + Host + " : " + strRemotePath, System.Diagnostics.EventLogEntryType.Information, 2040, 20);
}
catch (Exception)
{
}
//FTPS.SetCurrentDirectory(strRemotePath);
}
//Upload Each File
foreach (FileInfo fileU in UploadFiles)
{
if (blShuttingDown)
{
throw new Exception("Shutting Down");
}
try
{
string strRemotePath = "";
strRemotePath = Common.RemotePathCombine(RemoteDirectory, fileU.DirectoryName, BackupFolder);
strRemotePath = Common.RemotePathCombine(strRemotePath, fileU.Name);
blFileFound = false;
blOverwriteFile = false;
try
{
if (FTPS.GetFileTransferSize(strRemotePath) > 0)
{
blFileFound = true;
if (!(/*(fileU.LastAccessTimeUtc == FTPS.GetFileModificationTime(strRemotePath)) &&*/ ((ulong)fileU.Length == FTPS.GetFileTransferSize(strRemotePath))))
{
blOverwriteFile = true;
}
}
}
catch (Exception)
{
//File Not found No Action Necessary on Error
}
try
{
if (FTPS.GetFileTransferSize(strRemotePath + ".7z") > 0)
{
blFileFound = true;
//7z file exists but there is no current way to compare the 7zipped file vs the non compressed file so the user overwrite option will force the appropriate action
blOverwriteFile = true;
/*
if (!((fileU.LastAccessTimeUtc == FTPS.GetFileModificationTime(strRemotePath + ".7z")) && ((ulong)fileU.Length == FTPS.GetFileTransferSize(strRemotePath + ".7z"))))
{
blOverwriteFile = true;
}
*/
}
}
catch (Exception)
{
//File Not Found No Action Necessary on Error
}
if (blShuttingDown)
{
_evt.WriteEntry("Remote Sync FTPS: Shutting Down about to possible upload a file: " + fileU.FullName + " Host: " + Host + " To: " + strRemotePath, System.Diagnostics.EventLogEntryType.Information, 2010, 20);
return;
}
if ((!blFileFound || blOverwriteFile || (Overwrite == OverwriteOptions.ForceOverwrite && blFileFound)) && !(Overwrite == OverwriteOptions.NoOverwrite && blFileFound))
{
//This Uploads the file
FTPS.PutFile(fileU.FullName, strRemotePath);
_evt.WriteEntry("Remote Sync FTPS: File Uploaded: " + fileU.FullName + " Host: " + Host + " To: " + strRemotePath, System.Diagnostics.EventLogEntryType.Information, 2010, 20);
}
}
catch (Exception exp)
{
_evt.WriteEntry("Remote Sync FTPS: Host:" + Host + " Upload FileName: " + fileU.FullName + " Error: " + exp.Message, System.Diagnostics.EventLogEntryType.Error, 2010, 20);
}
}
}
catch (Exception exu)
{
_evt.WriteEntry("Remote Sync FTPS: Upload Error on Host:" + Host + " Error: " + exu.Message, System.Diagnostics.EventLogEntryType.Error, 2010, 20);
}
finally
{
if (RemoteFilesU != null)
{
RemoteFilesU.Clear();
}
if (UploadFiles != null)
{
UploadFiles.Clear();
}
RemoteFilesU = null;
UploadFiles = null;
}
break;
case TransferDirectionOptions.Download:
List<RemoteFile> RemoteFilesD=null;
try
{
FTPS.SetCurrentDirectory(RemoteDirectory);
RemoteFilesD = Common.GetRemoteDirectories(RemoteDirectory, FTPS, "");
Common.CreateLocalFolderStructure(RemoteFilesD, BackupFolder);
foreach (RemoteFile FileD in RemoteFilesD)
{
string strLocalFile = "";
string strRemoteFile = "";
if (blShuttingDown)
{
throw new Exception("Shutting Down");
}
try
{
if (!FileD.IsDirectory)
{
strLocalFile = Common.WindowsPathCombine(BackupFolder, FileD.ParentDirectory);
strLocalFile = Common.WindowsPathCombine(strLocalFile, FileD.Name);
strRemoteFile = FileD.FullName;
if (Common.DownloadFile(strLocalFile, strRemoteFile, FileD, Overwrite))
{
if ((!blFileFound || blOverwriteFile || (Overwrite == OverwriteOptions.ForceOverwrite && blFileFound)) && !(Overwrite == OverwriteOptions.NoOverwrite && blFileFound))
{
if (Common.FixNullstring(FileNameFilter) != "" && Common.VerifyPattern(FileNameFilter))
{
if (Common.FileNameMatchesPattern(FileNameFilter, FileD.Name))
{
FTPS.GetFile(strRemoteFile, strLocalFile);
_evt.WriteEntry("Remote Sync FTPS: File Downloaded: " + strRemoteFile + " Host: " + Host + " To: " + strLocalFile, System.Diagnostics.EventLogEntryType.Information, 2020, 20);
}
}
else
{
FTPS.GetFile(strRemoteFile, strLocalFile);
_evt.WriteEntry("Remote Sync FTPS: File Downloaded: " + strRemoteFile + " Host: " + Host + " To: " + strLocalFile, System.Diagnostics.EventLogEntryType.Information, 2020, 20);
}
}
}
}
}
catch (Exception exdi)
{
_evt.WriteEntry("Remote Sync FTPS: File Download Error: " + strRemoteFile + " Host: " + Host + " To: " + strLocalFile + " Error: " + exdi.Message, System.Diagnostics.EventLogEntryType.Error, 2020, 20);
}
}
}
catch (Exception exd)
{
_evt.WriteEntry("Remote Sync FTPS: Download Error: Host: " + Host + " Error: " + exd.Message, System.Diagnostics.EventLogEntryType.Error, 2020, 20);
}
finally
{
if (RemoteFilesD !=null)
{
RemoteFilesD.Clear();
}
RemoteFilesD = null;
}
break;
}
}
catch (Exception ex)
{
_evt.WriteEntry("Remote Sync FTPS: Error: Host: " + Host + " Error: " + ex.Message, System.Diagnostics.EventLogEntryType.Error, 2000, 20);
}
finally
{
if (FTPS != null)
{
try
{
FTPS.Close();
}
catch (Exception)
{
}
FTPS.Dispose();
}
FTPS = null;
}
}
/// <summary>
/// dgvCompress Cell End Edit Event
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void dgvCompress_CellEndEdit(object sender, DataGridViewCellEventArgs e)
{
if (dgvCompress.Columns[e.ColumnIndex].HeaderText == "EncryptionPassword")
{
DataGridViewTextBoxCell cell = dgvCompress[e.ColumnIndex, e.RowIndex] as DataGridViewTextBoxCell;
AES256 aes = new AES256(ep);
if (Common.FixNullstring(cell.Value).Length > 0)
{
//Encrypt the password
cell.Value = aes.Encrypt(cell.Value.ToString());
}
}
}
/// <summary>
/// Compress All Folders in a path each folder to a individual 7zip file
/// </summary>
/// <param name="blShuttingDown"></param>
private void compressFolder(ref bool blShuttingDown)
{
SevenZip.SevenZipCompressor compressor = null;
SevenZip.SevenZipExtractor extractor = null;
Stream exreader = null;
Stream creader = null;
Stream extestreader = null;
string[] strfilearr = new string[1];
try
{
SevenZip.SevenZipBase.SetLibraryPath(Get7ZipFolder());
string[] Directories = Directory.GetDirectories(SourceFolder);
//Loop through every local directory
foreach (string strDir in Directories)
{
bool blArchiveOk = false;
DirectoryInfo DirInfo1 = new DirectoryInfo(strDir);
string str7Dir = Common.WindowsPathClean(DirInfo1.FullName + ".7z");
string strDestination = Common.WindowsPathCombine(DestinationFolder, str7Dir, SourceFolder);
if (blShuttingDown)
{
_evt.WriteEntry("Compress: Shutting Down, about to Compress: " + strDir, System.Diagnostics.EventLogEntryType.Information, 5130, 50);
return;
}
if (!startCompressing(DirInfo1.LastWriteTime))
{
continue;
}
//Check for Original Folder
try
{
if (File.Exists(strDestination))
{
FileInfo file7 = new FileInfo(strDestination);
extestreader = new FileStream(strDestination, FileMode.Open);
extractor = new SevenZipExtractor(extestreader);
//If archive is not corrupted and KeepUncompressed is false then it is ok to delete the original
if (extractor.Check() && KeepOriginalFile == false)
{
//Same File compressed then ok to delete
if (DirInfo1.LastWriteTime == file7.LastWriteTime && Common.CalculateFolderSize(DirInfo1.FullName) == extractor.UnpackedSize && Common.GetFolderFileCount(DirInfo1.FullName) == extractor.FilesCount)
{
Directory.Delete(DirInfo1.FullName, true);
}
}
continue;
}
}
catch (Exception)
{
_evt.WriteEntry("Compress: Failed to Delete Original File: " + DirInfo1.FullName, System.Diagnostics.EventLogEntryType.Error, 5140, 50);
continue;
}
finally
{
if (extestreader != null)
{
extestreader.Close();
extestreader.Dispose();
extestreader = null;
}
if (extractor != null)
{
extractor.Dispose();
extractor = null;
}
}
//Compression of Entire Folder
strfilearr[0] = DirInfo1.FullName;
try
{
compressor = new SevenZip.SevenZipCompressor();
compressor.CompressionMethod = SevenZip.CompressionMethod.Lzma2;
compressor.CompressionLevel = CompressionLvl;
compressor.ArchiveFormat = OutArchiveFormat.SevenZip;
if (!string.IsNullOrEmpty(_encryptionPassword))
{
compressor.ZipEncryptionMethod = ZipEncryptionMethod.Aes256;
}
long lFreeSpace = 0;
lFreeSpace = Common.DriveFreeSpaceBytes(DestinationFolder);
//Check for Enough Free Space to compress the file
if (((Common.CalculateFolderSize(SourceFolder) * 2.0f) > (float)lFreeSpace) && (lFreeSpace != -1))
{
_evt.WriteEntry("Compress: Not enough available free space to compress this file: " + DirInfo1.FullName, System.Diagnostics.EventLogEntryType.Error, 5140, 50);
compressor = null;
continue;
}
if (lFreeSpace == -1)
{
_evt.WriteEntry("Compress: Only files local to this machine should be compressed. Performance problem can occur with large files over the network. " + DirInfo1.FullName, System.Diagnostics.EventLogEntryType.Warning, 5150, 50);
}
//Compress or Compress and Encrypt Files
if (!string.IsNullOrEmpty(_encryptionPassword))
{
//Compress and Encrypt the Folder if password is specified
creader = new FileStream(str7Dir, FileMode.OpenOrCreate);
AES256 aes = new AES256(ep);
string upassword = aes.Decrypt(_encryptionPassword);
compressor.CompressDirectory(DirInfo1.FullName, creader, upassword);
creader.Close();
creader.Dispose();
creader = null;
exreader = new FileStream(str7Dir, FileMode.Open);
extractor = new SevenZipExtractor(exreader, upassword);
upassword = "";
}
else
{
//Compress the Folder Normally
creader = new FileStream(str7Dir, FileMode.OpenOrCreate);
compressor.CompressDirectory(DirInfo1.FullName, creader);
creader.Close();
creader.Dispose();
creader = null;
exreader = new FileStream(str7Dir, FileMode.Open);
extractor = new SevenZipExtractor(exreader);
}
//7Zip file ok?
blArchiveOk = extractor.Check();
//close the archive so it can be deleted later
exreader.Close();
exreader.Dispose();
exreader = null;
verifyArchive(blArchiveOk, str7Dir, DirInfo1.FullName);
}
catch (Exception ex)
{
_evt.WriteEntry("Compress: " + ex.Message.ToString(), System.Diagnostics.EventLogEntryType.Error, 5000, 50);
}
finally
{
if (creader != null)
{
creader.Close();
creader.Dispose();
creader = null;
}
if (exreader != null)
{
exreader.Close();
exreader.Dispose();
exreader = null;
}
if (extractor != null)
{
extractor.Dispose();
extractor = null;
}
compressor = null;
}
}// end foreach
_evt.WriteEntry("Compress: Compress Folders Completed", System.Diagnostics.EventLogEntryType.Information, 5000, 50);
}
catch (Exception ex)
{
_evt.WriteEntry("Compress: Compress Folders Attempt Failed" + ex.Message, System.Diagnostics.EventLogEntryType.Error, 5170, 50);
}
finally
{
if (creader != null)
{
creader.Close();
creader.Dispose();
creader = null;
}
if (exreader != null)
{
exreader.Close();
exreader.Dispose();
exreader = null;
}
if (extractor != null)
{
extractor.Dispose();
extractor = null;
}
if (extestreader != null)
{
extestreader.Close();
extestreader.Dispose();
extestreader = null;
}
compressor = null;
}
}
/// <summary>
/// Compress files individually with .7z added on the end of the filename
/// </summary>
/// <param name="blShuttingDown"></param>
private void compressFile(ref bool blShuttingDown)
{
SevenZip.SevenZipCompressor compressor = null;
SevenZip.SevenZipExtractor extractor = null;
Stream exreader = null;
Stream creader = null;
Stream extestreader = null;
string[] strfilearr = new string[1];
try
{
AllFiles = Common.WalkDirectory(SourceFolder, ref blShuttingDown, FileNameFilter);
SevenZip.SevenZipBase.SetLibraryPath(Get7ZipFolder());
if (SourceFolder != DestinationFolder)
{
Common.CreateDestinationFolders(SourceFolder, DestinationFolder);
}
if (blShuttingDown)
{
throw new Exception("Shutting Down");
}
//Loop through every file
foreach (System.IO.FileInfo file1 in AllFiles)
{
string str7File = Common.WindowsPathClean(file1.FullName + ".7z");
string strDestination = Common.WindowsPathCombine(DestinationFolder, str7File, SourceFolder);
bool blArchiveOk = false;
if (blShuttingDown)
{
_evt.WriteEntry("Compress: Shutting Down, about to Compress: " + file1.FullName, System.Diagnostics.EventLogEntryType.Information, 5130, 50);
throw new Exception("Shutting Down");
}
//Skip over already compressed files
if (file1.Extension.ToLower() == ".7z" || file1.Extension.ToLower() == ".zip" || file1.Extension.ToLower() == ".rar")
{
continue;
}
if (Common.IsFileLocked(file1))
{
_evt.WriteEntry("Compress: File is locked: " + file1.FullName, System.Diagnostics.EventLogEntryType.Error, 5130, 50);
continue;
}
if (!startCompressing(file1.LastWriteTime))
{
continue;
}
try
{
if (File.Exists(strDestination))
{
extestreader = new FileStream(strDestination, FileMode.Open);
extractor = new SevenZipExtractor(extestreader);
//If archive is not corrupted and KeepUncompressed is false then it is ok to delete the original
if (extractor.Check() && KeepOriginalFile == false)
{
FileInfo file2 = new FileInfo(strDestination);
//Same File compressed then ok to delete
if (file1.LastWriteTime == file2.LastWriteTime && file1.Length == extractor.UnpackedSize && extractor.FilesCount == 1)
{
//File.SetAttributes(file1.FullName, FileAttributes.Normal);
file1.IsReadOnly = false;
File.Delete(file1.FullName);
}
file2 = null;
}
continue;
}
}
catch (Exception)
{
_evt.WriteEntry("Compress: Failed to Delete Original File: " + file1.FullName, System.Diagnostics.EventLogEntryType.Error, 5140, 50);
continue;
}
finally
{
if (extestreader != null)
{
extestreader.Close();
extestreader.Dispose();
extestreader = null;
}
if (extractor != null)
{
extractor.Dispose();
extractor = null;
}
}
//If file already zipped and the last modified time are the same then delete
//Compression of individual files
strfilearr[0] = file1.FullName;
try
{
compressor = new SevenZip.SevenZipCompressor();
compressor.CompressionMethod = SevenZip.CompressionMethod.Lzma2;
compressor.CompressionLevel = CompressionLvl;
compressor.ArchiveFormat = OutArchiveFormat.SevenZip;
if (!string.IsNullOrEmpty(_encryptionPassword))
{
compressor.ZipEncryptionMethod = ZipEncryptionMethod.Aes256;
}
long lFreeSpace = 0;
lFreeSpace = Common.DriveFreeSpaceBytes(DestinationFolder);
//Check for Enough Free Space to compress the file
if (((file1.Length * 2) > lFreeSpace) && (lFreeSpace != -1))
{
_evt.WriteEntry("Compress: Not enough available free space to compress this file: " + file1.FullName, System.Diagnostics.EventLogEntryType.Error, 5140, 50);
compressor = null;
continue;
}
if (lFreeSpace == -1)
{
_evt.WriteEntry("Compress: Only files local to this machine should be compressed. Performance problem can occur with large files over the network. " + file1.FullName, System.Diagnostics.EventLogEntryType.Warning, 5150, 50);
}
//Compress or Compress and Encrypt Files
if (!string.IsNullOrEmpty(_encryptionPassword))
{
creader = new FileStream(str7File, FileMode.OpenOrCreate);
//Encrypt the file if password is specified
AES256 aes = new AES256(ep);
string upassword = aes.Decrypt(_encryptionPassword);
compressor.CompressFilesEncrypted(creader, upassword, strfilearr);
creader.Close();
creader.Dispose();
creader = null;
exreader = new FileStream(str7File, FileMode.Open);
extractor = new SevenZipExtractor(exreader, upassword);
upassword = "";
}
else
{
if (Common.IsFileLocked(file1))
{
_evt.WriteEntry("Compress: File is locked: " + file1.FullName, System.Diagnostics.EventLogEntryType.Error, 5070, 50);
continue;
}
creader = new FileStream(str7File, FileMode.OpenOrCreate);
compressor.CompressFiles(creader, strfilearr);
creader.Close();
creader.Dispose();
creader = null;
exreader = new FileStream(str7File, FileMode.Open);
extractor = new SevenZipExtractor(exreader);
}
//7Zip file ok?
blArchiveOk = extractor.Check();
exreader.Close();
exreader.Dispose();
exreader = null;
verifyArchive(blArchiveOk, str7File, file1.FullName);
}
catch (Exception ex)
{
_evt.WriteEntry("Compress: " + ex.Message.ToString(), System.Diagnostics.EventLogEntryType.Error, 5000, 50);
}
finally
{
if (creader != null)
{
creader.Close();
creader.Dispose();
creader = null;
}
if (exreader != null)
{
exreader.Close();
exreader.Dispose();
exreader = null;
}
if (extractor != null)
{
extractor.Dispose();
extractor = null;
}
compressor = null;
}
}// end foreach
_evt.WriteEntry("Compress: Complete Files Compressed: " + FilesCompressed.Count, System.Diagnostics.EventLogEntryType.Information, 5000, 50);
}
catch (Exception ex)
{
_evt.WriteEntry("Compress: Compress Files Attempt Failed" + ex.Message, System.Diagnostics.EventLogEntryType.Error, 5170, 50);
}
finally
{
if (creader != null)
{
creader.Close();
creader.Dispose();
creader = null;
}
if (exreader != null)
{
exreader.Close();
exreader.Dispose();
exreader = null;
}
if (extractor != null)
{
extractor.Dispose();
extractor = null;
}
if (extestreader != null)
{
extestreader.Close();
extestreader.Dispose();
extestreader = null;
}
compressor = null;
}
}
/// <summary>
/// Extracts 7zip file contents
/// </summary>
/// <param name="blShuttingDown"></param>
private void extract(ref bool blShuttingDown)
{
SevenZip.SevenZipExtractor extractor = null;
Stream exreader = null;
//7Zip Extraction of 7zip contents
string strDestination = "";
try
{
SevenZip.SevenZipBase.SetLibraryPath(Get7ZipFolder());
AllFiles = Common.WalkDirectory(SourceFolder, ref blShuttingDown, FileNameFilter);
foreach (System.IO.FileInfo file1 in AllFiles)
{
bool blArchiveOk = false;
try
{
if (blShuttingDown)
{
if (extractor != null)
{
extractor.Dispose();
}
_evt.WriteEntry("Compress: Shutting Down, about to Extract: " + file1.FullName, System.Diagnostics.EventLogEntryType.Information, 5130, 50);
return;
}
//Skip over already compressed files
if (file1.Extension.ToLower() == ".7z" || file1.Extension.ToLower() == ".zip")
{
if (!startCompressing(file1.LastWriteTime))
{
continue;
}
//If file not already extracted and currently exists
if (File.Exists(file1.FullName) && !File.Exists(file1.FullName.Replace(file1.Extension, "")))
{
if (Common.IsFileLocked(file1))
{
_evt.WriteEntry("Compress: File is locked: " + file1.FullName, System.Diagnostics.EventLogEntryType.Error, 5170, 50);
continue;
}
exreader = new FileStream(file1.FullName, FileMode.Open);
if (string.IsNullOrEmpty(_encryptionPassword))
{
extractor = new SevenZipExtractor(exreader);
}
else
{
AES256 aes = new AES256(ep);
string upassword = aes.Decrypt(_encryptionPassword);
extractor = new SevenZipExtractor(exreader, upassword);
upassword = "";
}
blArchiveOk = extractor.Check();
//FileInfo file2 = new FileInfo(file1.FullName.Replace(".7z",""));
//If archive is not corrupted and KeepUncompressed is false then it is ok to delete the original
if (blArchiveOk)
{
long lFreeSpace = 0;
lFreeSpace = Common.DriveFreeSpaceBytes(DestinationFolder);
if (((file1.Length * 4) > lFreeSpace) && (lFreeSpace != -1))
{
_evt.WriteEntry("Compress: Not enough available free space to compress this file: " + file1.FullName, System.Diagnostics.EventLogEntryType.Error, 5140, 50);
continue;
}
if (lFreeSpace == -1)
{
_evt.WriteEntry("Compress: Only files local to this machine should be compressed. Performance problem can occur with large files over the network. " + file1.FullName, System.Diagnostics.EventLogEntryType.Warning, 5150, 50);
}
if (string.IsNullOrEmpty(DestinationFolder))
{
DestinationFolder = SourceFolder;
}
strDestination = DestinationFolder;
strDestination = Common.WindowsPathCombine(strDestination, file1.DirectoryName, SourceFolder);
if (SourceOption == CompressSourceOptions.Folder)
{
strDestination = Common.WindowsPathCombine(strDestination, Common.WindowsPathClean(Common.Strip7zExtension(file1.FullName)), SourceFolder);
if (!Directory.Exists(strDestination))
{
Directory.CreateDirectory(strDestination);
}
}
extractor.ExtractArchive(strDestination);
FilesCompressed.Add(file1);
_evt.WriteEntry("Compress: Successfully Extracted file: " + file1.FullName + " To: " + strDestination, System.Diagnostics.EventLogEntryType.Information, 5170, 50);
//Unlock file so that it can be deleted
extractor.Dispose();
extractor = null;
exreader.Close();
exreader.Dispose();
exreader = null;
if (!KeepOriginalFile)
{
//File.SetAttributes(file1.FullName, FileAttributes.Normal);
file1.IsReadOnly = false;
File.Delete(file1.FullName);
_evt.WriteEntry("Compress: Deleted Original Compressed File: " + file1.FullName + " Per Setting KeepOriginalFile", System.Diagnostics.EventLogEntryType.Information, 5170, 50);
}
}
else
{
_evt.WriteEntry("Compress: Extract Attempt 7zip Archive Encrypted or Corrupted: " + file1.FullName, System.Diagnostics.EventLogEntryType.Error, 5170, 50);
}
}
}
}
catch (Exception exe)
{
_evt.WriteEntry("Compress: Extract Attempt Failed: " + file1.FullName + "Error: " + exe.Message, System.Diagnostics.EventLogEntryType.Error, 5170, 50);
}
finally
{
if (extractor != null)
{
extractor.Dispose();
extractor = null;
}
if (exreader != null)
{
exreader.Close();
exreader.Dispose();
exreader = null;
}
//extractor = null;
}
} //extract foreach
}
catch (Exception ex)
{
_evt.WriteEntry("Compress: Extract Attempt Failed" + ex.Message, System.Diagnostics.EventLogEntryType.Error, 5170, 50);
}
finally
{
if (extractor != null)
{
extractor.Dispose();
extractor = null;
}
if (exreader != null)
{
exreader.Close();
exreader.Dispose();
exreader = null;
}
}
}
