/// <summary>
/// Takes author name and removes metadata in files created by specified author
/// </summary>
/// <param name="authorName">Author name</param>
public void RemoveMetadataByAuthor(string authorName)
{
// Map directory in source folder
string sourceDirectoryPath = Common.MapSourceFilePath(this.DocumentsPath);
// get files presented in target directory
string[] files = Directory.GetFiles(sourceDirectoryPath);
foreach (string path in files)
{
// recognize format
using (FormatBase format = FormatFactory.RecognizeFormat(path))
{
// initialize DocFormat
DocFormat docFormat = format as DocFormat;
if (docFormat != null)
{
// get document properties
DocMetadata properties = docFormat.DocumentProperties;
// check if author is the same
if (string.Equals(properties.Author, authorName, StringComparison.OrdinalIgnoreCase))
{
// remove comments
docFormat.ClearComments();
List <string> customKeys = new List <string>();
// find all custom keys
foreach (KeyValuePair <string, PropertyValue> keyValuePair in properties)
{
if (!properties.IsBuiltIn(keyValuePair.Key))
{
customKeys.Add(keyValuePair.Key);
}
}
// and remove all of them
foreach (string key in customKeys)
{
properties.Remove(key);
}
//====== yet to change things =========================
// and commit changes
string fileName = Path.GetFileName(path);
string outputFilePath = Common.MapDestinationFilePath(this.DocumentsPath + "/" + fileName);
docFormat.Save(outputFilePath);
//=====================================================
}
}
}
}
Console.WriteLine("Press any key to exit.");
}
/// <summary>
/// Removes document comments of Doc file
/// </summary>
public static void RemoveComments()
{
try
{
// initialize DocFormat
DocFormat docFormat = new DocFormat(Common.MapSourceFilePath(filePath));
// remove comments
docFormat.ClearComments();
// save file in destination folder
docFormat.Save(Common.MapDestinationFilePath(filePath));
Console.WriteLine("File saved in destination folder.");
}
catch (Exception exp)
{
Console.WriteLine(exp.Message);
}
}
/// <summary>
/// Removes document comments of Doc file
/// </summary>
public static void RemoveComments()
{
try
{
// initialize DocFormat
DocFormat docFormat = new DocFormat(Common.MapSourceFilePath(filePath));
// remove comments
docFormat.ClearComments();
// save file in destination folder
docFormat.Save(Common.MapDestinationFilePath(filePath));
Console.WriteLine("File saved in destination folder.");
}
catch (Exception exp)
{
Console.WriteLine(exp.Message);
}
}
public HttpResponseMessage Get(string file)
{
try
{
File.Copy(Utils._storagePath + "\\" + file, Utils._storagePath + "\\Cleaned_" + file, true);
FileStream original = File.Open(Utils._storagePath + "\\Cleaned_" + file, FileMode.Open, FileAccess.ReadWrite);
FileFormatChecker fileFormatChecker = new FileFormatChecker(original);
DocumentType documentType = fileFormatChecker.GetDocumentType();
if (fileFormatChecker.VerifyFormat(documentType))
{
switch (documentType)
{
case DocumentType.Doc:
DocFormat docFormat = new DocFormat(original);
docFormat.CleanMetadata();
docFormat.ClearBuiltInProperties();
docFormat.ClearComments();
docFormat.ClearCustomProperties();
docFormat.RemoveHiddenData(new DocInspectionOptions(DocInspectorOptionsEnum.All));
docFormat.Save(Utils._storagePath + "\\Cleaned_" + file);
break;
case DocumentType.Xls:
XlsFormat xlsFormat = new XlsFormat(original);
xlsFormat.CleanMetadata();
xlsFormat.ClearBuiltInProperties();
xlsFormat.ClearContentTypeProperties();
xlsFormat.ClearCustomProperties();
xlsFormat.RemoveHiddenData(new XlsInspectionOptions(XlsInspectorOptionsEnum.All));
xlsFormat.Save(Utils._storagePath + "\\Cleaned_" + file);
break;
case DocumentType.Pdf:
PdfFormat pdfFormat = new PdfFormat(original);
pdfFormat.CleanMetadata();
pdfFormat.ClearBuiltInProperties();
pdfFormat.ClearCustomProperties();
pdfFormat.RemoveHiddenData(new PdfInspectionOptions(PdfInspectorOptionsEnum.All));
pdfFormat.RemoveXmpData();
pdfFormat.Save(Utils._storagePath + "\\Cleaned_" + file);
break;
case DocumentType.Png:
PngFormat pngFormat = new PngFormat(original);
pngFormat.CleanMetadata();
pngFormat.RemoveXmpData();
pngFormat.Save(Utils._storagePath + "\\Cleaned_" + file);
break;
case DocumentType.Jpeg:
JpegFormat jpegFormat = new JpegFormat(original);
jpegFormat.CleanMetadata();
jpegFormat.RemoveExifInfo();
jpegFormat.RemoveGpsLocation();
jpegFormat.RemoveIptc();
jpegFormat.RemovePhotoshopData();
jpegFormat.RemoveXmpData();
jpegFormat.Save(original);
break;
case DocumentType.Bmp:
BmpFormat bmpFormat = new BmpFormat(original);
bmpFormat.CleanMetadata();
bmpFormat.Save(Utils._storagePath + "\\Cleaned_" + file);
break;
case DocumentType.Gif:
GifFormat gifFormat = new GifFormat(original);
gifFormat.CleanMetadata();
gifFormat.RemoveXmpData();
gifFormat.Save(Utils._storagePath + "\\Cleaned_" + file);
break;
case DocumentType.Msg:
OutlookMessage outlookMessage = new OutlookMessage(original);
outlookMessage.CleanMetadata();
outlookMessage.RemoveAttachments();
outlookMessage.Save(Utils._storagePath + "\\Cleaned_" + file);
break;
case DocumentType.Eml:
EmlFormat emlFormat = new EmlFormat(original);
emlFormat.CleanMetadata();
emlFormat.RemoveAttachments();
emlFormat.Save(Utils._storagePath + "\\Cleaned_" + file);
break;
case DocumentType.Dwg:
DwgFormat dwgFormat = new DwgFormat(original);
dwgFormat.CleanMetadata();
dwgFormat.Save(Utils._storagePath + "\\Cleaned_" + file);
break;
case DocumentType.Dxf:
DxfFormat dxfFormat = new DxfFormat(original);
dxfFormat.CleanMetadata();
dxfFormat.Save(Utils._storagePath + "\\Cleaned_" + file);
break;
default:
DocFormat defaultDocFormat = new DocFormat(original);
defaultDocFormat.CleanMetadata();
defaultDocFormat.ClearBuiltInProperties();
defaultDocFormat.ClearComments();
defaultDocFormat.ClearCustomProperties();
defaultDocFormat.RemoveHiddenData(new DocInspectionOptions(DocInspectorOptionsEnum.All));
defaultDocFormat.Save(Utils._storagePath + "\\Cleaned_" + file);
break;
}
}
else
{
throw new Exception("File format not supported.");
}
using (var ms = new MemoryStream())
{
original = File.OpenRead(Utils._storagePath + "\\Cleaned_" + file);
original.CopyTo(ms);
var result = new HttpResponseMessage(HttpStatusCode.OK)
{
Content = new ByteArrayContent(ms.ToArray())
};
result.Content.Headers.ContentDisposition =
new System.Net.Http.Headers.ContentDispositionHeaderValue("attachment")
{
FileName = "Cleaned_" + file
};
result.Content.Headers.ContentType =
new MediaTypeHeaderValue("application/octet-stream");
original.Close();
File.Delete(Utils._storagePath + "\\Cleaned_" + file);
return(result);
}
}
catch (Exception exc)
{
throw exc;
}
}