/// <summary>
/// Generate a valid MIME boundary, if it does not exist.
/// </summary>
public MailContentType GenerateMIMEBoundary()
{
if (_MIMEBoundary == null)
{
_MIMEBoundary = "-8<--" + _ContentType.ToString().Replace("_", "/") + "--8<--" + _Random.GetBytes(12).ToHexString() + "--8<-";
// Update text-version within the e-mail header
if (_EMailHeader != null)
{
_EMailHeader.SetEMailHeader("Content-Type", this.ToString());
}
}
return(this);
}
/// <summary>
/// Create a new e-mail content type by parsing the given string.
/// </summary>
/// <param name="ContentTypeString"></param>
public MailContentType(AbstractEMail EMailHeader,
String ContentTypeString)
{
this._EMailHeader = EMailHeader;
this._Text = ContentTypeString;
var Splitted = ContentTypeString.
Split(new String[] { ";" }, StringSplitOptions.RemoveEmptyEntries).
Select(v => v.Trim()).
ToArray();
if (Splitted.Length == 0)
{
this._ContentType = MailContentTypes.text_plain;
}
else if (!Enum.TryParse <MailContentTypes>(Splitted[0].Replace("/", "_").Replace("+", "__"), out this._ContentType))
{
this._ContentType = MailContentTypes.text_plain;
}
else
{
foreach (var SubInformation in Splitted.Skip(1))
{
if (SubInformation.ToLower().StartsWith("charset="))
{
_CharSet = SubInformation.Substring("charset=".Length).Trim().ToLower();
if (_CharSet.StartsWith(@""""))
{
_CharSet = _CharSet.Remove(0, 1);
}
if (_CharSet.EndsWith(@""""))
{
_CharSet = _CharSet.Substring(0, _CharSet.Length - 1);
}
continue;
}
if (SubInformation.ToLower().StartsWith("boundary="))
{
_MIMEBoundary = SubInformation.Substring("boundary=".Length).Trim();
if (_MIMEBoundary.StartsWith(@""""))
{
_MIMEBoundary = _MIMEBoundary.Remove(0, 1);
}
if (_MIMEBoundary.EndsWith(@""""))
{
_MIMEBoundary = _MIMEBoundary.Substring(0, MIMEBoundary.Length - 1);
}
continue;
}
}
}
// Update text-version within the e-mail header
if (_EMailHeader != null)
{
_EMailHeader.SetEMailHeader("Content-Type", this.ToString());
}
}
