public static void EncryptFile(string path, EncryptionOptions options, Logger logger)
{
if (options.EnableEncryption)
{
string encrypted;
byte[] key;
if (options.RandomKey)
{
key = GenerateKey(16);
options.Key = key;
}
else
{
key = options.Key;
}
try
{
using (StreamReader sr = new StreamReader(path))
{
encrypted = Encrypt(sr.ReadToEnd(), key);
}
using (StreamWriter sw = new StreamWriter(path))
{
sw.Write(encrypted);
}
logger.Log("Encrypted file successfully");
}
catch
{
logger.Log("Failed to encrypt file");
}
}
}
public ETLOptions(SendingOptions sendingOptions, EncryptionOptions encryptionOptions,
LoggingOptions loggingOptions, ArchiveOptions archiveOptions)
{
SendingOptions = sendingOptions;
EncryptionOptions = encryptionOptions;
LoggingOptions = loggingOptions;
ArchiveOptions = archiveOptions;
}
public static string Validate(ETLOptions options)
{
string report = "";
#region Sending Validation
SendingOptions sending = options.SendingOptions;
if (!CreateDirectoryIfNotExist(sending.SourceDirectory))
{
sending.SourceDirectory = "C:\\FileWatcher\\source";
CreateDirectoryIfNotExist(sending.SourceDirectory);
report += "Cannot open source directory, using default. ";
}
if (!CreateDirectoryIfNotExist(sending.TargetDirectory))
{
sending.TargetDirectory = "C:\\FileWatcher\\target";
report += "Cannot open target directory, using default. ";
CreateDirectoryIfNotExist(sending.TargetDirectory);
}
if (!CreateDirectoryIfNotExist(sending.ArchiveDirectory))
{
sending.ArchiveDirectory = "C:\\FileWatcher\\target\\archive";
report += "Cannot open source archive, using default. ";
CreateDirectoryIfNotExist(sending.ArchiveDirectory);
}
#endregion
#region Logging Validation
LoggingOptions logging = options.LoggingOptions;
if (!CreateFileIfNotExist(logging.LogPath))
{
logging.LogPath = "C:\\FileWatcher\\target\\log.txt";
report += "Cannot open source log file, using default. ";
CreateFileIfNotExist(logging.LogPath);
}
#endregion
#region Encryption Validation
EncryptionOptions encryption = options.EncryptionOptions;
if (!encryption.RandomKey && encryption.Key.Length != 16)
{
report += "Encryption key's length must be 16, using random key. ";
}
#endregion
#region Archive Validation
ArchiveOptions archive = options.ArchiveOptions;
if ((int)archive.CompressionLevel < 0 || (int)archive.CompressionLevel > 2)
{
archive.CompressionLevel = System.IO.Compression.CompressionLevel.Optimal;
report += "Compression level value can't be below zero and abowe 2, using default value. ";
}
#endregion
return(report);
}
private void Created(object sender, FileSystemEventArgs e)
{
WaitUntilFileIsReady(e.FullPath);
FileInfo file = new FileInfo(e.FullPath);
EncryptionOptions encryptionOptions = optionsManager.GetOptions <EncryptionOptions>() as EncryptionOptions;
Encryption.EncryptFile(e.FullPath, encryptionOptions, logger);
string newPath = SendFile(file,
optionsManager.GetOptions <SendingOptions>() as SendingOptions,
logger,
optionsManager.GetOptions <ArchiveOptions>() as ArchiveOptions);
Encryption.DecryptFile(newPath, encryptionOptions, logger);
}
public static void DecryptFile(string path, EncryptionOptions options, Logger logger)
{
if (options.EnableEncryption)
{
try
{
string decrypted;
byte[] key = options.Key;
using (StreamReader sr = new StreamReader(path))
{
decrypted = Decrypt <string>(sr.ReadToEnd(), key);
}
using (StreamWriter sw = new StreamWriter(path))
{
sw.Write(decrypted);
}
logger.Log("Decrypted file successfully");
}
catch
{
logger.Log("Failed to decrypt file");
}
}
}