private void ExecuteUsingOfficeOpenXml(TempFileForActions tempFile, CleanActionPropertySet elementsToClean)
{
try
{
m_elementsToClean = GetElementsNotRemovedByDomClean(GetListOfEnabledElementsToClean(elementsToClean));
using (BinaryData bData = new BinaryData(tempFile.GetMemoryStream()))
{
using (XlsxDocumentReader reader = new XlsxDocumentReader(bData))
{
using (Stream str = GetOutputStream())
{
reader.CleanTo(str, m_elementsToClean);
File.Copy(InterimTempFileName, tempFile.TempFile, true);
}
}
}
}
catch (System.Exception ex)
{
Logger.LogError(ex);
throw;
}
finally
{
CleanUp();
}
}
protected static List<Exclusion> GetListOfExcludedElements(CleanActionPropertySet elementsToClean)
{
List<Exclusion> listExclusions = new List<Exclusion>();
List<string> excludedMetawallPropNames = elementsToClean.GetExcludedMetawallPropertyList();
foreach (KeyValuePair<string, IActionProperty> kvp in elementsToClean)
{
string key = kvp.Key;
IActionProperty property = kvp.Value;
if (!excludedMetawallPropNames.Contains(key))
continue;
string excludeKey = CleanActionPropertySet.ExcludedKeyToName(key);
Exclusion exclusion = new Exclusion();
if (exclusion != null)
{
exclusion.Name = excludeKey; // property.DefaultDisplayName;
exclusion.Value = property.Value;
listExclusions.Add(exclusion);
}
}
return listExclusions;
}
public override void RemoveMetadata(TempFileForActions tempFile, CleanActionPropertySet cleanProperties)
{
try
{
m_elementsToClean = GetListOfEnabledElementsToClean(cleanProperties);
List<Exclusion> listExclusion = GetListOfExcludedElements(cleanProperties);
using (BinaryData bData = new BinaryData(tempFile.GetMemoryStream()))
{
using (PptxDocumentReader reader = new PptxDocumentReader(bData))
{
using (Stream str = GetOutputStream())
{
reader.CleanTo(str, m_elementsToClean, listExclusion);
File.Copy(InterimTempFileName, tempFile.TempFile, true);
}
}
}
}
catch (System.Exception ex)
{
Logger.LogError("PowerpointX cleaning failed");
Logger.LogError(ex);
throw;
}
finally
{
CleanUp();
}
}
public override void RemoveMetadata(TempFileForActions tempFile, CleanActionPropertySet elementsToClean)
{
if (!(bool)elementsToClean[CleanOption.SkipDomCleaning].Value)
{
ExecuteWithDisabledOptions(() => DoDomRemoval(tempFile.TempFile, elementsToClean), elementsToClean, CleanOption.Macros);
}
// For elements not removed by DOM clean
ExecuteUsingOfficeOpenXml(tempFile, elementsToClean);
}
public override void RemoveMetadata(object document, CleanActionPropertySet cleanProperties)
{
CMetadataElements elementsToClean = GetMetaDataElementsToClean(cleanProperties);
CExcludedMetadataElements excludedElements = GetMetaDataElementsToExclude(cleanProperties);
if (ExecuteUsingOptimisingAddin(document, elementsToClean, excludedElements))
return;
ExecuteStrategy2(new System.Runtime.InteropServices.DispatchWrapper(document), elementsToClean, excludedElements, m_domStripperProgId);
}
public LightSpeedCleanUIController(LightSpeedCleanUserControl control, CleanActionPropertySet properties, string fileType)
{
if (!FileTypeValid(fileType))
{
Utilities.ErrorMessage errorMessage = new Utilities.ErrorMessage("NOT_VALID_OFFICE_DOC", "Workshare.Policy.Actions.Properties.LanguageResources", Assembly.GetExecutingAssembly());
Logger.LogError(errorMessage.LogString);
throw new CleanUserActionException(errorMessage.DisplayString);
}
m_control = control;
m_fileType = fileType;
m_properties = properties;
m_lowSurface = m_control.lowRiskTableLayoutPanel;
m_medSurface = m_control.mediumRiskTableLayoutPanel;
m_highSurface = m_control.highRiskTableLayoutPanel;
m_internalController.ApplyToAll += new EventHandler(m_internalController_ApplyToAll);
}
protected void ExecuteWithDisabledOptions(System.Action action, CleanActionPropertySet propertySet, params string[] optionsToTemporaryDisable)
{
var oldValues = new Dictionary<string, object>();
try
{
optionsToTemporaryDisable.ToList().ForEach(key =>
{
oldValues[key] = propertySet[key].Value;
propertySet[key].Value = false;
});
action();
}
finally
{
oldValues.ToList().ForEach(p => propertySet[p.Key].Value = oldValues[p.Key]);
}
}
public override void RemoveMacros(TempFileForActions tempFile, CleanActionPropertySet cleanProperties)
{
if ((bool)cleanProperties[CleanOption.Macros].Value == true)
{
try
{
using (CWordBinaryMacroCleaner wordMacroCleaner = new CWordBinaryMacroCleaner())
{
wordMacroCleaner.Clean(tempFile.TempFile);
}
}
catch (System.Exception ex)
{
Logger.LogError("Word Binary macro cleaning failed");
Logger.LogError(ex);
throw;
}
}
}
protected static List<ContentType> GetListOfEnabledElementsToClean(CleanActionPropertySet elementsToClean)
{
Dictionary<ContentType, string> fcsContentTypeDict = elementsToClean.GetFCSContentTypeDict();
List<ContentType> elements = new List<ContentType>();
elements.Add(ContentType.ContentRule);//we need this for multiple types to work correctly in cleaning
foreach (KeyValuePair<string, IActionProperty> outerKvp in elementsToClean)
{
IActionProperty property = outerKvp.Value;
foreach (KeyValuePair<ContentType, string> internalKvp in fcsContentTypeDict)
{
if (String.Compare(internalKvp.Value, outerKvp.Key, true, System.Globalization.CultureInfo.InvariantCulture) == 0 &&
((bool)property.Value) &&
!elements.Contains(internalKvp.Key))
{
elements.Add(internalKvp.Key);
}
}
}
return elements;
}
public virtual void RemoveMacros(TempFileForActions tempFile, CleanActionPropertySet cleanProperties)
{
}
protected static CExcludedMetadataElements GetMetaDataElementsToExclude(CleanActionPropertySet exProperties)
{
CExcludedMetadataElements ExcludedMetaDataElements = null;
using (new WsActivationContext())
{
ExcludedMetaDataElements = new CExcludedMetadataElementsClass();
List<string> excludedMetawallPropNames = exProperties.GetExcludedMetawallPropertyList();
foreach (KeyValuePair<string, IActionProperty> kvp in exProperties)
{
string key = kvp.Key;
IActionProperty property = kvp.Value;
if (!excludedMetawallPropNames.Contains(key))
continue;
string excludeKey = CleanActionPropertySet.ExcludedKeyToName(key);
IMWExcludedMetadataElement element = ExcludedMetaDataElements[excludeKey];
if (element != null)
{
element.Name = excludeKey; // property.DefaultDisplayName;
element.Value = property.Value;
}
}
}
return ExcludedMetaDataElements;
}
protected CMetadataElements GetMacrosMetaDataElementToClean(CleanActionPropertySet properties)
{
CMetadataElements MetaDataElements = null;
using (new WsActivationContext())
{
MetaDataElements = new CMetadataElementsClass();
List<string> metawallPropNames = properties.GetMetawallPropertyList();
foreach (KeyValuePair<string, IActionProperty> kvp in properties)
{
string key = kvp.Key;
if (key == CleanOption.Macros)
{
IActionProperty property = kvp.Value;
if (!metawallPropNames.Contains(key))
continue;
IMWMetadataElement element = MetaDataElements[key];
if (element != null)
{
element.Enabled = (bool)property.Value;
}
}
}
}
return MetaDataElements;
}
internal List<ContentType> GetRationalizedElementsToClean(List<ContentType> elements, CleanActionPropertySet.TargetApplication app)
{
List<ContentType> rationalized = new List<ContentType>();
rationalized.AddRange(elements);
if (app == CleanActionPropertySet.TargetApplication.Word)
{
if (rationalized.Contains(ContentType.Hyperlink) && !rationalized.Contains(ContentType.Field))
rationalized.Remove(ContentType.Hyperlink);
}
return rationalized;
}
public virtual void RemoveMetadata(TempFileForActions tempFile, CleanActionPropertySet cleanProperties)
{
DoDomRemoval(tempFile.TempFile, cleanProperties);
CMetadataElements elementsToClean = GetMetaDataElementsToClean(cleanProperties);
CExcludedMetadataElements excludedElements = GetMetaDataElementsToExclude(cleanProperties);
ExecuteStrategy2(tempFile.TempFile, elementsToClean, excludedElements, "Workshare.OfficeBinaryStripperStrategy");
}
private bool SatisfiesTargetApplication(CleanActionPropertySet.TargetApplication targetApplication, string fileType)
{
switch (fileType.ToLower(System.Globalization.CultureInfo.InvariantCulture))
{
case ".doc":
case ".docx":
case ".docm":
case ".dotx":
case ".dotm":
return (targetApplication & CleanActionPropertySet.TargetApplication.Word) == CleanActionPropertySet.TargetApplication.Word;
case ".xls":
case ".xlsx":
case ".xlsm":
case ".xltx":
case ".xltm":
return (targetApplication & CleanActionPropertySet.TargetApplication.Excel) == CleanActionPropertySet.TargetApplication.Excel;
case ".ppt":
case ".pptx":
case ".pptm":
case ".potx":
case ".potm":
case ".ppsx":
case ".ppsm":
return (targetApplication & CleanActionPropertySet.TargetApplication.PowerPoint) == CleanActionPropertySet.TargetApplication.PowerPoint;
default:
return false;
}
}
public override void RemoveMetadata(TempFileForActions tempFile, CleanActionPropertySet cleanProperties)
{
Workshare.Protect.Api.CMetadataElements elementsToClean = GetMetaDataElementsToClean(cleanProperties);
DoDomRemoval(tempFile.TempFile, cleanProperties);
}
public CleanData(CleanActionPropertySet cleanProperties, TempFileForActions tempFile)
{
this.cleanProperties = cleanProperties;
this.tempFile = tempFile;
}
private Stream CallCleanThread(CleanActionPropertySet cleanProperties, Stream input, ref Dictionary<string, string> streamProperties, CleanPropertiesDisplayTranslator strings, bool callingFallbackThread, bool convertFile)
{
string originalDisplayName = streamProperties[strings.StrmProp_DisplayName];
string originalFileName = streamProperties[strings.StrmProp_FileName];
convertFile = (InstalledProduct.IsProtectEnterpriseClientInstalled() || InstalledProduct.IsProfessionalInstalled()) && FcsFile.IsRtfFile(input);
if (convertFile)
{
input = ConvertToDoc(input, streamProperties, strings);
}
string displayName = streamProperties[strings.StrmProp_DisplayName];
using (TempFileForActions tempFile = new TempFileForActions(Path.GetFileName(displayName), input))
{
CleanData cleanData = new CleanData(cleanProperties, tempFile);
Thread staThread;
if (callingFallbackThread)
{
staThread = new Thread(DoFallbackClean);
staThread.Name = MethodBase.GetCurrentMethod().DeclaringType.Name + ".DoFallbackClean";
}
else
{
staThread = new Thread(DoClean);
staThread.Name = MethodBase.GetCurrentMethod().DeclaringType.Name + ".DoClean";
}
staThread.SetApartmentState(ApartmentState.STA);
staThread.Start(cleanData);
staThread.Join();
if (cleanData.ex != null)
{
//IActionProperty iap = null;
if (callingFallbackThread || RunningInServerCtxt(cleanProperties))
{
m_fallbackTried = false;
input.Dispose();
throw cleanData.ex;
}
cleanData.ex = null;
return CallCleanThread(cleanProperties, input, ref streamProperties, strings, true, convertFile);
}
input.Dispose();
if (!convertFile)
{
return tempFile.GetMemoryStream();
}
return ConvertFromDoc(tempFile, originalFileName, originalDisplayName, streamProperties, strings);
}
}
private Stream ExecuteStream(Stream input, Dictionary<string, string> sProperties, ActionPropertySet aProperties)
{
m_fallbackTried = null;
if (aProperties == null) throw new ArgumentNullException("aProperties");
Dictionary<string, string> streamProperties = sProperties;
CleanActionPropertySet cleanProperties = new CleanActionPropertySet(aProperties);
cleanProperties[Workshare.ApplicationControllers.PropertyNames.REQUIRES_APPCONTROLLER].Value = false;
CleanPropertiesDisplayTranslator strings = CleanPropertiesDisplayTranslator.Instance;
if (!streamProperties.ContainsKey(strings.StrmProp_DisplayName))
{
ErrorMessage errorMessage = new ErrorMessage("UNABLE_TO_GET_FILE_IN_STREAM", "Workshare.Policy.Actions.Properties.LanguageResources", Assembly.GetExecutingAssembly());
Logger.LogError(errorMessage.LogString);
throw new CleanUserActionException(errorMessage.DisplayString);
}
if (aProperties.SystemProperties.ContainsKey(strings.SysProp_FileType))
{
if (!m_supportedFiles.Supports(aProperties.SystemProperties[strings.SysProp_FileType].Value as string))
{
Utilities.ErrorMessage errorMessage = new Utilities.ErrorMessage("UNABLE_TO_CLEAN_NON_SUPPORTED_FILETYPE", "Workshare.Policy.Actions.Properties.LanguageResources", Assembly.GetExecutingAssembly());
Logger.LogError(errorMessage.LogString);
return null;
}
}
return CallCleanThread(cleanProperties, input, ref streamProperties, strings, false, false);
}
private void BuildRiskLevelImage(CleanActionPropertySet.RiskRating rating, PictureBox pictureBox)
{
Bitmap bmp = pictureBox.Image as Bitmap;
if (bmp == null)
{
bmp = new Bitmap(pictureBox.Width, pictureBox.Height);
}
Color startColor = Color.Empty;
Color endColor = Color.Empty;
switch (rating)
{
case CleanActionPropertySet.RiskRating.Low:
startColor = Color.Green;
break;
case CleanActionPropertySet.RiskRating.Medium:
startColor = Color.Goldenrod;
break;
case CleanActionPropertySet.RiskRating.High:
startColor = Color.Red;
break;
}
endColor = Color.FromArgb(128, startColor);
Graphics graphics = Graphics.FromImage(bmp);
Rectangle[] rectangles = new Rectangle[4];
Point location = Point.Empty;
Size size = new Size((bmp.Width - 3) / 4, bmp.Height);
for (int i = 0; i < rectangles.Length; i++)
{
rectangles[i] = new Rectangle(location, size);
location.X += size.Width + 1;
}
using (LinearGradientBrush brush = new LinearGradientBrush(new Rectangle(Point.Empty, bmp.Size),
startColor, endColor, 0f))
{
graphics.FillRectangles(brush, rectangles);
}
pictureBox.Image = bmp;
}
protected List<ContentType> GetListOfEnabledElementsToClean(CleanActionPropertySet elementsToClean)
{
Dictionary<ContentType, string> fcsContentTypeDict = elementsToClean.GetFCSContentTypeDict();
List<ContentType> elements = new List<ContentType>();
elements.Add(ContentType.ContentRule);//we need this for multiple types to work correctly in cleaning
foreach (KeyValuePair<string, IActionProperty> outerKvp in elementsToClean)
{
IActionProperty property = outerKvp.Value;
bool enabled;
if (bool.TryParse(property.Value.ToString(), out enabled) && enabled)
{
foreach (KeyValuePair<ContentType, string> internalKvp in fcsContentTypeDict)
{
if (string.Equals(internalKvp.Value, outerKvp.Key, StringComparison.InvariantCultureIgnoreCase)
&& !elements.Contains(internalKvp.Key))
{
elements.Add(internalKvp.Key);
}
}
}
}
return elements;
}
internal virtual ActionPropertySet BuildActionProperties(string sourceFilePath)
{
ActionPropertySet result = new ActionPropertySet();
CleanActionPropertySet temp = new CleanActionPropertySet();
var dict = temp.GetFCSContentTypeDict();
foreach (string key in temp.Keys)
{
result.Add(new ActionProperty(key, temp[key].Value));
}
foreach (MetadataType mdt in m_metadataExclusions)
{
ContentType ct = Utils.ConvertContentType(mdt);
string contentType;
if (dict.TryGetValue(ct, out contentType))
{
result[contentType].Value = false;
}
}
foreach (CommonFieldType cft in m_fieldExclusions)
{
string fieldType = "ExcludeFieldCodes" + Utils.ConvertFieldType(cft);
result[fieldType].Value = true;
}
result[CleanOption.UseWordOptimizingAddin].Value = true;
result[CleanOption.ExcludeCustomProperties].Value = Normalize(CustomPropertyExclusionList);
result[CleanOption.ExcludeFieldCodes].Value = Normalize(AdvancedFieldExclusionList);
result[CleanOption.DeleteFieldCodes].Value = Normalize(FieldDeletionList);
result[CleanOption.ExcludeDocumentVariables].Value = Normalize(DocumentVariableExclusionList);
result[CleanOption.HandleFootnotesHiddenData].Value = TreatFootNotesAsMetadata;
//result.Add(new ActionProperty("EnableFootnotes", true)); // always set this so that the cleaning is controlled by the excluded metadata types
if (!string.IsNullOrEmpty(sourceFilePath))
{
var fileType = ValidateFileType(sourceFilePath);
result.SystemProperties.Add("FileType", new ActionProperty("FileType", FileTypeBridge.GetFileType(fileType)));
}
return result;
}
public override void RemoveMetadata(TempFileForActions tempFile, CleanActionPropertySet cleanProperties)
{
CMetadataElements elementsToClean = GetMetaDataElementsToClean(cleanProperties);
CExcludedMetadataElements excludedElements = GetMetaDataElementsToExclude(cleanProperties);
CMetadataElements reviewersOnlyElements = new CMetadataElements();
reviewersOnlyElements.SelectNoElements();
reviewersOnlyElements["Reviewers"].Enabled = elementsToClean["Reviewers"].Enabled;
int lDttm = 0;
bool bExcludeSaveDate = FieldIsExcluded(excludedElements, "savedate");
if (elementsToClean["DocumentStatistics"].Enabled && !bExcludeSaveDate) // if zeroed, do not re-zero
{
lDttm = -1; // don't bother with dttm Revision
}
// We clean reviews on the binary level first to get ride of them correctly.
if (!(bool) cleanProperties[CleanOption.SkipDomCleaning].Value)
{
lDttm = ExecuteStrategy3(tempFile.TempFile, lDttm, reviewersOnlyElements, excludedElements, "Metawall.WordBinaryStripper");
DoDomRemoval(tempFile.TempFile, cleanProperties);
}
// Clean all binary metadata again, the DOM clean would have inserted some metadata.
ExecuteStrategy3(tempFile.TempFile, lDttm, elementsToClean, excludedElements, "Metawall.WordBinaryStripper");
}
public override void RemoveMetadata(TempFileForActions tempFile, CleanActionPropertySet cleanProperties)
{
List<ContentType> listContentTypes = GetListOfEnabledElementsToClean(cleanProperties);
List<Exclusion> listExclusion = GetListOfExcludedElements(cleanProperties);
CleanFile(tempFile.TempFile, listContentTypes, listExclusion);
}
protected void DoDomRemoval(string filename, CleanActionPropertySet cleanProperties)
{
OfficeApplicationCache officeApplicationCache = OfficeApplicationCache.Instance;
object document = TryToOpenDocument(filename, GetAttempts());
try
{
MessageFilter.Register();
if (!IsMarkedAsFinal(document))
{
if (IsReadOnly(document))
{
Logger.LogInfo(Properties.LanguageResources.THIS_FILE_IS_READ_ONLY);
officeApplicationCache.CloseDocument(document, false);
throw new Exception(Properties.LanguageResources.THIS_FILE_IS_READ_ONLY);
}
}
bool bFormProtected = IsFormProtected(document);
bool bTriedToSave = false;
try
{
RemoveMetadata(document, cleanProperties);
bTriedToSave = true;
officeApplicationCache.CloseDocument(document, true);
}
catch
{
if (!bTriedToSave)
{
officeApplicationCache.CloseDocument(document, false);
}
if (bFormProtected)
{
Logger.LogInfo(Properties.LanguageResources.THIS_FILE_IS_FORM_PROTECTED);
throw new Exception(Properties.LanguageResources.THIS_FILE_IS_FORM_PROTECTED);
}
throw;
}
}
finally
{
if (document != null)
{
Marshal.ReleaseComObject(document);
}
MessageFilter.Revoke();
}
}
public virtual void RemoveMetadata(object document, CleanActionPropertySet cleanProperties)
{
CMetadataElements elementsToClean = GetMetaDataElementsToClean(cleanProperties);
CExcludedMetadataElements excludedElements = GetMetaDataElementsToExclude(cleanProperties);
ExecuteStrategy2(new DispatchWrapper(document), elementsToClean, excludedElements, m_domStripperProgId);
}
private bool SatisfiesTargetApplication(CleanActionPropertySet.TargetApplication targetApplication, string fileType)
{
foreach (string ft in fileType.Split(";".ToCharArray(), StringSplitOptions.RemoveEmptyEntries))
{
switch (ft.ToLowerInvariant())
{
case ".doc":
case ".docx":
case ".docm":
case ".dotx":
case ".dotm":
case ".rtf":
if ((targetApplication & CleanActionPropertySet.TargetApplication.Word) == CleanActionPropertySet.TargetApplication.Word)
{
return true;
}
break;
case ".xls":
case ".xlsx":
case ".xlsm":
case ".xltx":
case ".xltm":
if ((targetApplication & CleanActionPropertySet.TargetApplication.Excel) == CleanActionPropertySet.TargetApplication.Excel)
{
return true;
}
break;
case ".ppt":
case ".pptx":
case ".pptm":
case ".potx":
case ".potm":
case ".ppsx":
case ".ppsm":
if ((targetApplication & CleanActionPropertySet.TargetApplication.PowerPoint) == CleanActionPropertySet.TargetApplication.PowerPoint)
{
return true;
}
break;
default:
return false;
}
}
return false;
}
public LightSpeedCleanStrategyProxy(CleanActionPropertySet cleanProperties)
{
m_cleanProperties = cleanProperties;
}