protected override void Execute(CodeActivityContext context)
{
try
{
string inputFilePath = InputFilePath.Get(context);
string outputFilePath = OutputFilePath.Get(context);
string key = Key.Get(context);
Encoding keyEncoding = KeyEncoding.Get(context);
if (string.IsNullOrWhiteSpace(inputFilePath))
{
throw new ArgumentNullException(Resources.InputFilePathDisplayName);
}
if (string.IsNullOrWhiteSpace(outputFilePath))
{
throw new ArgumentNullException(Resources.OutputFilePathDisplayName);
}
if (string.IsNullOrWhiteSpace(key))
{
throw new ArgumentNullException(Resources.Key);
}
if (keyEncoding == null)
{
throw new ArgumentNullException(Resources.Encoding);
}
if (!File.Exists(inputFilePath))
{
throw new ArgumentException(Resources.FileDoesNotExistsException, Resources.InputFilePathDisplayName);
}
// Because we use File.WriteAllText below, we don't need to delete the file now.
if (File.Exists(outputFilePath) && !Overwrite)
{
throw new ArgumentException(Resources.FileAlreadyExistsException, Resources.OutputFilePathDisplayName);
}
byte[] encrypted = File.ReadAllBytes(inputFilePath);
byte[] decrypted = null;
try
{
decrypted = CryptographyHelper.DecryptData(Algorithm, encrypted, keyEncoding.GetBytes(key));
}
catch (CryptographicException ex)
{
throw new InvalidOperationException(Resources.GenericCryptographicException, ex);
}
// This overwrites the file if it already exists.
File.WriteAllBytes(outputFilePath, decrypted);
}
catch (Exception ex)
{
Trace.TraceError(ex.ToString());
if (!ContinueOnError.Get(context))
{
throw;
}
}
}
protected override void Execute(CodeActivityContext context)
{
Result.Set(context, "Not Masked");
string inputFilePath = InputFilePath.Get(context);
string outputDirPath = OutputDirPath.Get(context);
string maskingKeyWord = MaskingKeyWord.Get(context);
string occurrenceValue = Occurrence.Get(context);
bool maskOnlyKeyword = MaskOnlyKeyword.Get(context);
if (!string.IsNullOrEmpty(inputFilePath) && !string.IsNullOrEmpty(outputDirPath) && !string.IsNullOrEmpty(maskingKeyWord) &&
maskingKeyWord.IndexOf(" ") < 0 && !string.IsNullOrEmpty(occurrenceValue) && File.Exists(inputFilePath) &&
Directory.Exists(outputDirPath))
{
string redactedPDFNameEscaped = Regex.Replace(Path.GetFileName(inputFilePath), "%", "%%");
string redactedPDFPath = $@"{outputDirPath}\{redactedPDFNameEscaped}";
string jpgFilesDir = ConvertPDFToJPGs(inputFilePath);
if (maskOnlyKeyword)
{
if (!string.IsNullOrEmpty(occurrenceValue) && occurrenceValue.Equals("ALL", StringComparison.OrdinalIgnoreCase))
{
int occurrence = 0;
var redactedJPGFiles = RedactOnlyKeyword(jpgFilesDir, maskingKeyWord, occurrence, maskOnlyKeyword);
if (maskingSuccessfull)
{
ConvertJPGsToPDF(redactedJPGFiles, redactedPDFPath);
Result.Set(context, "Success");
}
}
else if (!string.IsNullOrEmpty(occurrenceValue))
{
if (IsDigitsOnly(occurrenceValue))
{
int occurrence = Convert.ToInt32(occurrenceValue);
var redactedJPGFiles = RedactOnlyKeyword(jpgFilesDir, maskingKeyWord, occurrence, maskOnlyKeyword);
if (maskingSuccessfull)
{
ConvertJPGsToPDF(redactedJPGFiles, redactedPDFPath);
Result.Set(context, "Success");
}
}
else
{
throw new Exception("Occurrence should contain only digits.");
}
}
}
else if (!string.IsNullOrEmpty(occurrenceValue))
{
if (IsDigitsOnly(occurrenceValue))
{
int occurrence = Convert.ToInt32(occurrenceValue);
var redactedJPGFiles = RedactTextTillEnd(jpgFilesDir, maskingKeyWord, occurrence, maskOnlyKeyword);
if (maskingSuccessfull)
{
ConvertJPGsToPDF(redactedJPGFiles, redactedPDFPath);
Result.Set(context, "Success");
}
}
else
{
throw new Exception("Occurrence should contain only digits.");
}
}
Directory.Delete(jpgFilesDir, recursive: true);
}
else
{
if (!string.IsNullOrEmpty(inputFilePath) && File.Exists(inputFilePath))
{
throw new Exception("Input File Path is not correct.");
}
else if (!string.IsNullOrEmpty(outputDirPath) && Directory.Exists(outputDirPath))
{
throw new Exception("Directory Path is not correct.");
}
else if (!string.IsNullOrEmpty(maskingKeyWord) && maskingKeyWord.IndexOf(" ") < 0)
{
throw new Exception("Masking Keyword is not correct.");
}
else if (!string.IsNullOrEmpty(occurrenceValue))
{
throw new Exception("Occurrence Value should not be null.");
}
}
}