private void SaveAttachments(IEnumerable <Attachment> attachments)
{
// Find out where to save the attachments
System.Windows.Forms.FolderBrowserDialog dialog = new System.Windows.Forms.FolderBrowserDialog();
dialog.Description = "Choose folder for saving attachments";
dialog.RootFolder = Environment.SpecialFolder.MyComputer;
dialog.SelectedPath = Properties.Settings.Default.LastAttachmentFolder;
if (dialog.SelectedPath == "")
{
dialog.SelectedPath = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
}
dialog.ShowNewFolderButton = true;
if (dialog.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
Properties.Settings.Default.LastAttachmentFolder = dialog.SelectedPath;
Properties.Settings.Default.Save();
try
{
foreach (var a in attachments)
{
xstFile.SaveAttachment(dialog.SelectedPath, a);
}
}
catch (System.Exception ex)
{
MessageBox.Show(ex.Message, "Error saving attachments");
}
}
}
public string EmbedAttachments(string body, XstFile xst)
{
if (body == null)
{
return(null);
}
var dict = new Dictionary <string, Attachment>();
foreach (var a in Attachments.Where(x => x.HasContentId))
{
dict.Add(a.ContentId, a);
}
return(Regex.Replace(body, @"(="")cid:(.*?)("")", match =>
{
Attachment a;
if (dict.TryGetValue(match.Groups[2].Value, out a))
{
// There are limits to what we can push into an inline data image,
// but we don't know exactly what
// Todo handle limit when known
a.WasRenderedInline = true;
var s = new MemoryStream();
xst.SaveAttachment(s, a);
s.Seek(0, SeekOrigin.Begin);
var cooked = match.Groups[1] + @"data:image/jpg;base64," + EscapeString(Convert.ToBase64String(s.ToArray())) + match.Groups[3];
return cooked;
}
return match.Value;
}, RegexOptions.Singleline | RegexOptions.IgnoreCase));
}
public void ReadSignedOrEncryptedMessage(XstFile xstFile)
{
Attachment a = Message.Attachments[0];
//get attachment bytes
var ms = new MemoryStream();
xstFile.SaveAttachment(ms, a);
byte[] attachmentBytes = ms.ToArray();
Message.ReadSignedOrEncryptedMessage(attachmentBytes);
}
private string SaveAttachmentToTemporaryFile(Attachment a)
{
if (a == null)
{
return(null);
}
string fileFullName = Path.ChangeExtension(
Path.GetTempPath() + Guid.NewGuid().ToString(), Path.GetExtension(a.FileName));;
try
{
xstFile.SaveAttachment(fileFullName, null, listAttachments.SelectedItem as Attachment);
tempFileNames.Add(fileFullName);
return(fileFullName);
}
catch (System.Exception ex)
{
MessageBox.Show(ex.Message, "Error saving attachment");
return(null);
}
}
private void ShowMessage(Message m)
{
try
{
//clear any existing status
ShowStatus(null);
if (m != null)
{
//email is signed and/or encrypted and no body was included
if (m.IsEncryptedOrSigned)
{
try
{
Attachment a = m.Attachments[0];
//get attachment bytes
var ms = new MemoryStream();
xstFile.SaveAttachment(ms, a);
byte[] attachmentBytes = ms.ToArray();
m.ReadSignedOrEncryptedMessage(attachmentBytes);
}
catch
{
ShowStatus("Message Failed to Decrypt");
}
}
// Can't bind HTML content, so push it into the control, if the message is HTML
if (m.ShowHtml)
{
string body = m.GetBodyAsHtmlString();
if (m.MayHaveInlineAttachment)
{
body = m.EmbedAttachments(body, xstFile); // Returns null if this is not appropriate
}
if (body != null)
{
// For testing purposes, can show print header in main visualisation
if (view.DisplayPrintHeaders)
{
body = m.EmbedHtmlPrintHeader(body, view.DisplayEmailType);
}
wbMessage.NavigateToString(body);
if (m.MayHaveInlineAttachment)
{
m.SortAndSaveAttachments(); // Re-sort attachments in case any new in-line rendering discovered
}
}
}
// Can't bind RTF content, so push it into the control, if the message is RTF
else if (m.ShowRtf)
{
var body = m.GetBodyAsFlowDocument();
// For testing purposes, can show print header in main visualisation
if (view.DisplayPrintHeaders)
{
m.EmbedRtfPrintHeader(body, view.DisplayEmailType);
}
rtfMessage.Document = body;
}
// Could bind text content, but use push so that we can optionally add headers
else if (m.ShowText)
{
var body = m.Body;
// For testing purposes, can show print header in main visualisation
if (view.DisplayPrintHeaders)
{
body = m.EmbedTextPrintHeader(body, true, view.DisplayEmailType);
}
txtMessage.Text = body;
scrollTextMessage.ScrollToHome();
}
}
else
{
// Clear the displays, in case we were showing that type before
wbMessage.Navigate("about:blank");
rtfMessage.Document.Blocks.Clear();
txtMessage.Text = "";
}
}
catch (System.Exception ex)
{
MessageBox.Show(ex.ToString(), "Error reading message body");
}
}