// creates comma separated address list from to: and cc:
private string CreateAddressList(ArrayList msgList)
{
StringBuilder sb = new StringBuilder();
int index = 1;
int msgCount = msgList.Count;
for (IEnumerator i = msgList.GetEnumerator(); i.MoveNext(); index++)
{
EmailAddress a = (EmailAddress)i.Current;
// if the personal name exists, add it to the address sent. IE: "Ian Stallings" <*****@*****.**>
if (a.name != null && a.name.Length > 0)
{
sb.Append("\"" + MailEncoder.ConvertHeaderToQP(a.name, charset) + "\" <" + a.address + ">");
}
else
{
sb.Append("<" + a.address + ">");
}
// if it's not the last address add a semi-colon:
if (msgCount != index)
{
sb.Append(",");
}
}
return(sb.ToString());
}
// end added by mb
/// <summary>Constructor using a file path</summary>
/// <example>
/// <code>Attachment a = new Attachment("C:\\file.jpg");</code>
/// </example>
public Attachment(string filePath)
{
this.filePath = filePath;
if (filePath.Length > 0)
{
try
{
FileInfo fileInfo = new FileInfo(filePath);
if (fileInfo.Exists)
{
this.mimeType = getMimeType(fileInfo.Extension);
this.name = fileInfo.Name;
this.size = (int)fileInfo.Length;
string encodedTempFile = Path.GetTempFileName();
MailEncoder.ConvertToBase64(filePath, encodedTempFile);
this.encodedFilePath = encodedTempFile;
}
}
catch (ArgumentNullException)
{
throw new SmtpException("Attachment file does not exist or path is incorrect.");
}
}
}
/// <summary>
/// Encode the file for inclusion as a mime attachment.
/// The boundaries are not provided.
/// </summary>
/// <returns></returns>
public String ToMime()
{
StringBuilder sb = new StringBuilder();
if (ContentId != null)
{
sb.Append("Content-ID: <" + ContentId + ">\r\n");
}
sb.Append("Content-Type: " + mimeType + ";\r\n");
sb.Append(" name=\"" + MailEncoder.ConvertToQP(name, null) + "\"\r\n");
sb.Append("Content-Transfer-Encoding: " + encoding + "\r\n");
sb.Append("Content-Disposition: attachment;\r\n");
sb.Append(" filename=\"" + MailEncoder.ConvertToQP(name, null) + "\"\r\n\r\n");
FileStream fin = new FileStream(encodedFilePath, FileMode.Open, FileAccess.Read);
byte[] bin;
while (fin.Position != fin.Length)
{
bin = new byte[76];
int len = fin.Read(bin, 0, 76);
sb.Append(System.Text.Encoding.UTF8.GetString(bin, 0, len) + "\r\n");
}
fin.Close();
return(sb.ToString());
}
private string GetTextMessageBody(string messageBody, string textType)
{
StringBuilder sb = new StringBuilder();
sb.Append("Content-Type: " + textType + ";\r\n");
sb.Append(" charset=\"" + charset + "\"\r\n");
sb.Append("Content-Transfer-Encoding: quoted-printable\r\n\r\n");
sb.Append(MailEncoder.ConvertToQP(messageBody, charset));
return(sb.ToString());
}
/// <summary>Constructor using a provided Stream</summary>
/// <example>
/// <code>Attachment a = new Attachment(new FileStrema(@"C:\file.jpg", FileMode.Open, FileAccess.Read), "file.jpg");</code>
/// </example>
public Attachment(Stream stream, string fileName)
{
try
{
this.mimeType = "unknown/application";
this.name = fileName;
this.size = (int)stream.Length;
string encodedTempFile = Path.GetTempFileName();
MailEncoder.ConvertToBase64(stream, encodedTempFile);
this.encodedFilePath = encodedTempFile;
}
catch (ArgumentNullException)
{
throw new SmtpException("Attachment file does not exist or path is incorrect.");
}
}
/// <summary>Returns the MailMessage as a RFC 822 formatted message</summary>
/// <example>
/// <code>
/// MailMessage msg = new MailMessage("*****@*****.**", "*****@*****.**");
/// msg.Body = "body";
/// msg.Subject = "subject";
/// string message = msg.ToString();
/// </code>
/// </example>
/// <returns>Mailmessage as RFC 822 formatted string</returns>
public override string ToString()
{
StringBuilder sb = new StringBuilder();
if (ReplyTo.name != null && ReplyTo.name.Length != 0)
{
sb.Append("Reply-To: \"" + MailEncoder.ConvertHeaderToQP(ReplyTo.name, charset) + "\" <" + ReplyTo.address + ">\r\n");
}
else
{
sb.Append("Reply-To: <" + ReplyTo.address + ">\r\n");
}
if (from.name != null && from.name.Length != 0)
{
sb.Append("From: \"" + MailEncoder.ConvertHeaderToQP(from.name, charset) + "\" <" + from.address + ">\r\n");
}
else
{
sb.Append("From: <" + from.address + ">\r\n");
}
sb.Append("To: " + CreateAddressList(recipientList) + "\r\n");
if (ccList.Count != 0)
{
sb.Append("CC: " + CreateAddressList(ccList) + "\r\n");
}
if (subject != null && subject.Length > 0)
{
StringBuilder cleanSubject = new StringBuilder(subject);
cleanSubject.Replace("\r\n", null);
cleanSubject.Replace("\n", null);
sb.Append("Subject: " + MailEncoder.ConvertHeaderToQP(cleanSubject.ToString(), charset) + "\r\n");
}
sb.Append("Date: " + DateTime.Now.ToUniversalTime().ToString("R") + "\r\n");
sb.Append(SmtpConfig.X_MAILER_HEADER + "\r\n");
if (notification)
{
if (ReplyTo.name != null && ReplyTo.name.Length != 0)
{
sb.Append("Disposition-Notification-To: " + MailEncoder.ConvertHeaderToQP(ReplyTo.name, charset) + " <" + ReplyTo.address + ">\r\n");
}
else
{
sb.Append("Disposition-Notification-To: <" + ReplyTo.address + ">\r\n");
}
}
if (priority != null)
{
sb.Append("X-Priority: " + priority + "\r\n");
}
if (customHeaders != null)
{
for (IEnumerator i = customHeaders.GetEnumerator(); i.MoveNext();)
{
MailHeader m = (MailHeader)i.Current;
if (m.name.Length >= 0 && m.body.Length >= 0)
{
sb.Append(m.name + ":" + MailEncoder.ConvertHeaderToQP(m.body, charset) + "\r\n");
}
else
{
// TODO: Check if below is within RFC spec.
sb.Append(m.name + ":\r\n");
}
}
}
sb.Append("MIME-Version: 1.0\r\n");
sb.Append(GetMessageBody());
return(sb.ToString());
}