public override void Init(object data)
{
if (data != null && data is string)
{
var text = data as string;
if (!string.IsNullOrEmpty(text))
{
var h2r = new HtmlToRtf();
using (var stream = new MemoryStream())
{
h2r.OpenHtml(text);
h2r.ToRtf(stream);
stream.Seek(0, SeekOrigin.Begin);
using (var reader = new StreamReader(stream))
{
var txt = reader.ReadToEnd();
byte[] byteArray = Encoding.ASCII.GetBytes(txt);
using (MemoryStream ms = new MemoryStream(byteArray))
{
TextRange tr = new TextRange(MainRTB.Document.ContentStart, MainRTB.Document.ContentEnd);
tr.Load(ms, DataFormats.Rtf);
}
}
}
}
}
}
/// <summary>
/// Converts HTML document to RTF format; Places this RTF in RichTextBox;
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Start_Click(object sender, RoutedEventArgs e)
{
string htmlFile = @"..\..\Sample.html";
string rtfString = String.Empty;
// Create an instance of the converter.
SautinSoft.HtmlToRtf h = new HtmlToRtf();
h.TextStyle.DefaultFontFamily = "Calibri";
// Convert HTML to RTF.
if (h.OpenHtml(htmlFile))
{
using (MemoryStream msRtf = new MemoryStream())
{
// Convert HTML to RTF.
if (h.ToRtf(msRtf))
{
// Place the RTF into RichTextBox.
System.Windows.Documents.TextRange tr = new System.Windows.Documents.TextRange(
RtfControl.Document.ContentStart, RtfControl.Document.ContentEnd);
tr.Load(msRtf, DataFormats.Rtf);
}
}
}
}
private static object FromHtmlToRtf(ICoreItem coreItem, BodyReadConfiguration configuration, Stream bodyStream, bool createReader)
{
HtmlToRtf htmlToRtf = new HtmlToRtf();
htmlToRtf.InputEncoding = ConvertUtils.GetItemMimeCharset(coreItem.PropertyBag).GetEncoding();
htmlToRtf.DetectEncodingFromMetaTag = false;
htmlToRtf.Header = configuration.InjectPrefix;
htmlToRtf.Footer = configuration.InjectSuffix;
htmlToRtf.HeaderFooterFormat = configuration.InjectionHeaderFooterFormat;
if (configuration.ImageRenderingCallback != null)
{
TextConvertersInternalHelpers.SetImageRenderingCallback(htmlToRtf, configuration.ImageRenderingCallback);
}
return(BodyReadDelegates.GetRtfStreamOrReader(bodyStream, htmlToRtf, createReader));
}
private static object FromHtmlToRtf(ICoreItem coreItem, BodyWriteConfiguration configuration, Stream bodyStream, bool createWriter)
{
Stream stream = null;
object obj = null;
try
{
stream = new ConverterStream(bodyStream, new RtfToRtfCompressed(), ConverterStreamAccess.Write);
stream = new BodyCharsetDetectionStream(stream, null, coreItem, BodyStreamFormat.RtfUncompressed, null, configuration.TargetCharset, configuration.TargetCharsetFlags, null, false);
HtmlToRtf htmlToRtf = new HtmlToRtf();
htmlToRtf.InputEncoding = configuration.SourceEncoding;
htmlToRtf.DetectEncodingFromMetaTag = false;
htmlToRtf.Header = configuration.InjectPrefix;
htmlToRtf.Footer = configuration.InjectSuffix;
htmlToRtf.HeaderFooterFormat = configuration.InjectionHeaderFooterFormat;
if (configuration.ImageRenderingCallback != null)
{
TextConvertersInternalHelpers.SetImageRenderingCallback(htmlToRtf, configuration.ImageRenderingCallback);
}
TextConverter converter = htmlToRtf;
if (configuration.FilterHtml || configuration.InternalHtmlTagCallback != null)
{
stream = new ConverterStream(stream, htmlToRtf, ConverterStreamAccess.Write);
converter = new HtmlToHtml
{
InputEncoding = configuration.SourceEncoding,
OutputEncoding = configuration.SourceEncoding,
DetectEncodingFromMetaTag = false,
FilterHtml = configuration.FilterHtml,
HtmlTagCallback = configuration.InternalHtmlTagCallback
};
}
obj = BodyWriteDelegates.GetConverterStreamOrWriter(stream, converter, createWriter);
}
finally
{
if (obj == null && stream != null)
{
BodyWriteDelegates.SafeDisposeStream(stream);
}
}
return(obj);
}
private static void RichTextProperty_Changed(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
var view = d as CustomRichTextBox;
string text = "\t";
if (e.NewValue != null && !string.IsNullOrEmpty(e.NewValue.ToString()))
{
text = e.NewValue as string;
}
try
{
if (!string.IsNullOrEmpty(text))
{
var h2r = new HtmlToRtf();
using (var stream = new MemoryStream())
{
h2r.OpenHtml(text);
h2r.ToRtf(stream);
stream.Seek(0, SeekOrigin.Begin);
using (var reader = new StreamReader(stream))
{
var txt = reader.ReadToEnd();
byte[] byteArray = Encoding.ASCII.GetBytes(txt);
using (MemoryStream ms = new MemoryStream(byteArray))
{
TextRange tr = new TextRange(view.Document.ContentStart, view.Document.ContentEnd);
tr.Load(ms, DataFormats.Rtf);
}
}
}
}
}
catch (Exception ex)
{
App.Logger.Error(ex.Message);
}
}
protected override Task WriteAsyncTask(LogEventInfo logEvent, CancellationToken cancellationToken)
{
if (FlowDoc == null)
{
return(Task.Run(() =>
{
var me = this;
var dispatcherOperation = Application.Current.Dispatcher.BeginInvoke(
DispatcherPriority.Background,
(Func <object>)(() => Application.Current.FindResource(me.ResourceKey)),
cancellationToken);
dispatcherOperation.Task.ContinueWith((task) =>
{
lock (me.FlowDocLock)
{
me.FlowDoc = (FlowDocument)dispatcherOperation.Result;
}
}, cancellationToken);
}));
}
return(Task.Run(() =>
{
string logMessage = this.RenderLogEvent(this.Layout, logEvent);
SautinSoft.HtmlToRtf h = new HtmlToRtf();
string rtf = String.Empty;
if (h.OpenHtml(logMessage))
{
rtf = h.ToRtf();
SetRTFText(rtf);
foreach (var block in rtb.Document.Blocks)
{
FlowDoc.Blocks.Add(block);
}
}
}));
}
public static void SetImageRenderingCallback(HtmlToRtf conversion, ImageRenderingCallback callback)
{
conversion.SetImageRenderingCallback(new ImageRenderingCallbackInternal(callback.Invoke));
}
public void changeBodyOfTnef(MimePart tnefPart, SchedulingInfo schedulingInfo)
{
TnefReader tnefreader = new TnefReader(tnefPart.GetContentReadStream(), 0, TnefComplianceMode.Loose);
while (tnefreader.ReadNextAttribute())
{
if (tnefreader.AttributeTag != TnefAttributeTag.MapiProperties)
continue;
string dialingInfo = schedulingInfo.dialingInfo;
TnefWriter writer = new TnefWriter(
tnefPart.GetContentWriteStream(tnefPart.ContentTransferEncoding), tnefreader.AttachmentKey, 0, TnefWriterFlags.NoStandardAttributes);
writer.StartAttribute(TnefAttributeTag.MapiProperties, TnefAttributeLevel.Message);
writer.WriteAllProperties(tnefreader.PropertyReader);
writer.StartProperty(TnefPropertyTag.RtfCompressed);
if (null != dialingInfo)
{
dialingInfo = convertToUnicode(dialingInfo);
}
string body = null == dialingInfo ? schedulingInfo.emailMessage : schedulingInfo.emailMessage + "<br><br>" + dialingInfo;
Stream stream = new MemoryStream(Encoding.UTF8.GetBytes(body));
HtmlToRtf htmlToRtf = new HtmlToRtf();
RtfToRtfCompressed rtfToRtfCompressed = new RtfToRtfCompressed();
htmlToRtf.InputEncoding = System.Text.Encoding.UTF8;//GetEncoding("ISO-8859-1");
stream = new ConverterStream(stream, htmlToRtf, ConverterStreamAccess.Read);
stream = new ConverterStream(stream, rtfToRtfCompressed, ConverterStreamAccess.Read);
writer.WritePropertyValue(stream);
if (null != writer)
{
writer.Close();
}
}
tnefreader.Close();
RvLogger.DebugWrite("ok**************************************");
}
/// <summary>
/// Invoked by Exchange when the entire message has been received.
/// </summary>
/// <param name="source">The source of this event.</param>
/// <param name="eodArgs">The arguments for this event.</param>
public void OnEndOfDataHandler(ReceiveMessageEventSource source, EndOfDataEventArgs eodArgs)
{
Debug.WriteLine("[BodyConversion] OnEndOfDataHandler is called");
// The purpose of this sample is to show how TextConverters can be used
// to update the body. This sample shows how to ensure that no active
// content, such as scripts, can pass through in a message body.
EmailMessage message = eodArgs.MailItem.Message;
Stream originalBodyContent = null;
Stream newBodyContent = null;
Encoding encoding;
string charsetName;
try
{
Body body = message.Body;
BodyFormat bodyFormat = body.BodyFormat;
if (!body.TryGetContentReadStream(out originalBodyContent))
{
// You cannot decode the body.
return;
}
if (BodyFormat.Text == bodyFormat)
{
// Plain text body. Add a disclaimer to this body.
charsetName = body.CharsetName;
if (null == charsetName ||
!Microsoft.Exchange.Data.Globalization.Charset.TryGetEncoding(charsetName, out encoding))
{
// Either no charset, or charset is not supported by the system.
return;
}
// Create and set up the TextToText conversion object.
TextToText textToTextConversion = new TextToText();
// Don't change the body code page.
textToTextConversion.InputEncoding = encoding;
// By default, the output code page is the same as the input code page.
// Add a disclaimer to indicate that the body is not being filtered.
textToTextConversion.HeaderFooterFormat = HeaderFooterFormat.Text;
textToTextConversion.Footer = "the plain text body is NOT being filtered";
// Open the stream to write updated content into.
newBodyContent = body.GetContentWriteStream();
// Do the conversion. This will replace the original text.
// with an updated version.
try
{
// The easiest way to do the conversion in one step is by using the Convert
// method. It creates the appropriate converter stream
// and copies from one stream to another.
textToTextConversion.Convert(originalBodyContent, newBodyContent);
}
catch (Microsoft.Exchange.Data.TextConverters.TextConvertersException)
{
// The conversion has failed.
}
}
else if (BodyFormat.Html == bodyFormat)
{
// The HTML body.
// Filter the original HTML to remove any scripts and other
// potentially unsafe content.
charsetName = body.CharsetName;
if (null == charsetName ||
!Microsoft.Exchange.Data.Globalization.Charset.TryGetEncoding(charsetName, out encoding))
{
// Either no charset, or charset is not supported by the system.
return;
}
// Create and set up the HtmlToHtml conversion object.
HtmlToHtml htmlToHtmlConversion = new HtmlToHtml();
// Don't change the body code page.
htmlToHtmlConversion.InputEncoding = encoding;
// By default, the output code page is the same as the input code page.
// Set up output HTML filtering. HTML filtering will ensure that
// no scripts or active content can pass through.
htmlToHtmlConversion.FilterHtml = true;
// Add a disclaimer to indicate that the body is being filtered.
htmlToHtmlConversion.HeaderFooterFormat = HeaderFooterFormat.Html;
htmlToHtmlConversion.Footer = "<p><font face=\"Arial\" size=\"+1\">the HTML body is being filtered</font></p>";
// Open the stream to write updated content into.
newBodyContent = body.GetContentWriteStream();
// Do the conversion. This will replace the original HTML
// with a filtered version.
try
{
// The easiest way to do the conversion in one step is by using the Convert
// method. It creates an appropriate converter stream
// and copies from one stream to another.
htmlToHtmlConversion.Convert(originalBodyContent, newBodyContent);
}
catch (Microsoft.Exchange.Data.TextConverters.TextConvertersException)
{
// The conversion has failed.
}
}
else if (BodyFormat.Rtf == bodyFormat)
{
// This is compressed RTF body in a TNEF message.
// Compressed RTF body can contain the encapsulated original HTML to be
// filtered.
// Do not modify the message format here, just filter out
// potentially unsafe content. Convert RTF to HTML, filter out any
// unsafe HTML content, and convert the result back to RTF.
// Note that conversion from RTF to HTML and back to RTF can result in loss of data. Some
// embedded images in RTF can be lost and formatting can slightly change.
// First wrap the original body content, which is in a "compressed RTF" format, into
// a stream that will do RTF decompression. Reading from this stream
// will return original RTF (the same format that the Word and RichEdit controls are using).
ConverterStream uncompressedRtf = new ConverterStream(originalBodyContent, new RtfCompressedToRtf(), ConverterStreamAccess.Read);
// Create and configure the RtfToHtml conversion object.
RtfToHtml rtfToHtmlConversion = new RtfToHtml();
// Set up output HTML filtering. HTML filtering will ensure that
// no scripts or active content can pass through.
rtfToHtmlConversion.FilterHtml = true;
// Add a disclaimer to indicate that the body is being filtered.
rtfToHtmlConversion.HeaderFooterFormat = HeaderFooterFormat.Html;
rtfToHtmlConversion.Footer = "<p><font face=\"Arial\" size=1>the RTF body is being filtered</font></p>";
// Now create a wrapping TextReader object, which returns the filtered
// HTML converted (or extracted) from the original RTF.
ConverterReader html = new ConverterReader(uncompressedRtf, rtfToHtmlConversion);
// After you filter the HTML, convert it back to RTF. For the purposes of this sample, do not
// change the message format.
// Create and configure the HtmlToRtf conversion object.
HtmlToRtf htmlToRtfConversion = new HtmlToRtf();
// Create a wrapping stream that returns RTF converted back from filtered HTML.
ConverterStream filteredRtf = new ConverterStream(html, htmlToRtfConversion);
// Create and configure the RtfToRtfCompressed conversion object, which
// will compress the resulting RTF.
RtfToRtfCompressed rtfCompressionConversion = new RtfToRtfCompressed();
// Always write it back in a compressed form.
rtfCompressionConversion.CompressionMode = RtfCompressionMode.Compressed;
// Open the stream to write updated body content into.
newBodyContent = body.GetContentWriteStream();
// Finally, perform the complete chain of conversions you set up. This
// will read the original compressed RTF chunk by chunk, convert it to HTML
// and filter scripts, then convert HTML back to RTF, compress it and write
// back into the current message body.
try
{
// Use the Convert method because it is convenient. This Convert
// method compresses the resulting RTF it reads from the conversion
// chain stream you set up and writes the result into the output stream.
// It saves a few lines of code that would be required to create another wrapper stream and
// copy from one stream to another.
rtfCompressionConversion.Convert(filteredRtf, newBodyContent);
}
catch (Microsoft.Exchange.Data.TextConverters.TextConvertersException)
{
// The conversion has failed.
}
}
else
{
// Handle cases where the body format is not one of the above.
}
}
finally
{
if (originalBodyContent != null)
{
originalBodyContent.Close();
}
if (newBodyContent != null)
{
newBodyContent.Close();
}
}
}