private void BuildMultiPartMessage(MimeEntity entity, MailMessageEx message)
{
foreach (MimeEntity entity2 in entity.Children)
{
if (entity2 != null)
{
if (string.Equals(entity2.ContentType.MediaType, MediaTypes.MultipartAlternative, StringComparison.InvariantCultureIgnoreCase) || string.Equals(entity2.ContentType.MediaType, MediaTypes.MultipartMixed, StringComparison.InvariantCultureIgnoreCase))
{
this.BuildMultiPartMessage(entity2, message);
}
else if (!IsAttachment(entity2) && (string.Equals(entity2.ContentType.MediaType, MediaTypes.TextPlain) || string.Equals(entity2.ContentType.MediaType, MediaTypes.TextHtml)))
{
message.AlternateViews.Add(this.CreateAlternateView(entity2));
this.SetMessageBody(message, entity2);
}
else if (string.Equals(entity2.ContentType.MediaType, MediaTypes.MessageRfc822, StringComparison.InvariantCultureIgnoreCase) && string.Equals(entity2.ContentDisposition.DispositionType, "attachment", StringComparison.InvariantCultureIgnoreCase))
{
message.Children.Add(this.ToMailMessageEx(entity2));
}
else if (IsAttachment(entity2))
{
message.Attachments.Add(this.CreateAttachment(entity2));
}
}
}
}
public MailMessageEx Top(int messageId, int lineCount)
{
if (messageId < 1)
{
throw new ArgumentOutOfRangeException("messageId");
}
if (lineCount < 0)
{
throw new ArgumentOutOfRangeException("lineCount");
}
RetrResponse response;
using (TopCommand command = new TopCommand(_clientStream, messageId, lineCount))
{
response = ExecuteCommand <RetrResponse, TopCommand>(command);
}
MimeReader reader = new MimeReader(response.MessageLines);
MimeEntity entity = reader.CreateMimeEntity();
MailMessageEx message = entity.ToMailMessageEx();
message.Octets = response.Octets;
message.MessageNumber = messageId;
return(entity.ToMailMessageEx());
}
private MailMessageEx ToMailMessageEx(MimeEntity entity)
{
if (entity == null)
{
return(null);
}
MailMessageEx message = MailMessageEx.CreateMailMessageFromEntity(entity);
if (!string.IsNullOrEmpty(entity.ContentType.Boundary))
{
message = MailMessageEx.CreateMailMessageFromEntity(entity);
this.BuildMultiPartMessage(entity, message);
return(message);
}
if (string.Equals(entity.ContentType.MediaType, MediaTypes.MessageRfc822, StringComparison.InvariantCultureIgnoreCase))
{
if (entity.Children.Count < 0)
{
throw new Pop3Exception("Invalid child count on message/rfc822 entity.");
}
message = MailMessageEx.CreateMailMessageFromEntity(entity.Children[0]);
this.BuildMultiPartMessage(entity, message);
return(message);
}
message = MailMessageEx.CreateMailMessageFromEntity(entity);
this.BuildSinglePartMessage(entity, message);
return(message);
}
public static void PopulateAddressList(string addressList, MailAddressCollection recipients)
{
foreach (MailAddress current in MailMessageEx.GetMailAddresses(addressList))
{
recipients.Add(current);
}
}
public static MailMessageEx CreateMailMessageFromEntity(MimeEntity entity)
{
MailMessageEx mailMessageEx = new MailMessageEx();
string[] allKeys = entity.Headers.AllKeys;
for (int i = 0; i < allKeys.Length; i++)
{
string text = allKeys[i];
string text2 = entity.Headers[text];
if (text2.Equals(string.Empty))
{
text2 = " ";
}
mailMessageEx.Headers.Add(text.ToLowerInvariant(), text2);
string a;
if ((a = text.ToLowerInvariant()) != null)
{
if (!(a == "bcc"))
{
if (!(a == "cc"))
{
if (!(a == "from"))
{
if (!(a == "reply-to"))
{
if (!(a == "subject"))
{
if (a == "to")
{
MailMessageEx.PopulateAddressList(text2, mailMessageEx.To);
}
}
else
{
mailMessageEx.Subject = text2;
}
}
else
{
mailMessageEx.ReplyTo = MailMessageEx.CreateMailAddress(text2);
}
}
else
{
mailMessageEx.From = MailMessageEx.CreateMailAddress(text2);
}
}
else
{
MailMessageEx.PopulateAddressList(text2, mailMessageEx.CC);
}
}
else
{
MailMessageEx.PopulateAddressList(text2, mailMessageEx.Bcc);
}
}
}
return(mailMessageEx);
}
private void SetMessageBody(MailMessageEx message, MimeEntity child)
{
Encoding encoding = child.GetEncoding();
message.Body = this.DecodeBytes(child.Content.ToArray(), encoding);
message.BodyEncoding = encoding;
message.IsBodyHtml = string.Equals(MediaTypes.TextHtml, child.ContentType.MediaType, StringComparison.InvariantCultureIgnoreCase);
}
/// <summary>
/// Retrs the mail message ex.
/// </summary>
/// <param name="item">The item.</param>
/// <returns></returns>
public MailMessageEx RetrMailMessageEx(Pop3ListItem item)
{
MailMessageEx message = RetrMimeEntity(item).ToMailMessageEx();
if (message != null)
{
message.MessageNumber = item.MessageId;
}
return(message);
}
private static IEnumerable <MailAddress> GetMailAddresses(string addressList)
{
Regex regex = new Regex("(['\"]{1,}.+['\"]{1,}\\s+)?<?[\\w\\.\\-]+@[^\\.][\\w\\.\\-]+\\.[a-z]{2,}>?");
foreach (Match match in regex.Matches(addressList))
{
yield return(MailMessageEx.CreateMailAddress(match.Value));
}
yield break;
}
private void BuildSinglePartMessage(MimeEntity entity, MailMessageEx message)
{
this.SetMessageBody(message, entity);
}
