/// <summary>
/// Creates attachment entity.
/// </summary>
/// <param name="file">File name with optional path.</param>
/// <returns>Returns created attachment entity.</returns>
/// <exception cref="ArgumentNullException">Is raised when <b>file</b> is null reference.</exception>
public static MIME_Entity CreateAttachment(string file)
{
if (file == null)
{
throw new ArgumentNullException("file");
}
MIME_Entity retVal = new MIME_Entity();
MIME_b_Application body = new MIME_b_Application(MIME_MediaTypes.Application.octet_stream);
retVal.Body = body;
body.SetDataFromFile(file, MIME_TransferEncodings.Base64);
retVal.ContentType.Param_Name = Path.GetFileName(file);
FileInfo fileInfo = new FileInfo(file);
MIME_h_ContentDisposition disposition = new MIME_h_ContentDisposition(MIME_DispositionTypes.Attachment);
disposition.Param_FileName = Path.GetFileName(file);
disposition.Param_Size = fileInfo.Length;
disposition.Param_CreationDate = fileInfo.CreationTime;
disposition.Param_ModificationDate = fileInfo.LastWriteTime;
disposition.Param_ReadDate = fileInfo.LastAccessTime;
retVal.ContentDisposition = disposition;
return(retVal);
}
/// <summary>
/// Creates attachment entity.
/// </summary>
/// <param name="stream">Attachment data stream. Data is read from stream current position.</param>
/// <param name="fileName">File name.</param>
/// <returns>Returns created attachment entity.</returns>
/// <exception cref="ArgumentNullException">Is raised when <b>stream</b> or <b>fileName</b> is null reference.</exception>
public static MIME_Entity CreateAttachment(Stream stream, string fileName)
{
if (stream == null)
{
throw new ArgumentNullException("stream");
}
if (fileName == null)
{
throw new ArgumentNullException("fileName");
}
long fileSize = stream.CanSeek ? (stream.Length - stream.Position) : -1;
MIME_Entity retVal = new MIME_Entity();
MIME_b_Application body = new MIME_b_Application(MIME_MediaTypes.Application.octet_stream);
retVal.Body = body;
body.SetData(stream, MIME_TransferEncodings.Base64);
retVal.ContentType.Param_Name = Path.GetFileName(fileName);
MIME_h_ContentDisposition disposition = new MIME_h_ContentDisposition(MIME_DispositionTypes.Attachment);
disposition.Param_FileName = Path.GetFileName(fileName);
disposition.Param_Size = fileSize;
//disposition.Param_CreationDate = fileInfo.CreationTime;
//disposition.Param_ModificationDate = fileInfo.LastWriteTime;
//disposition.Param_ReadDate = fileInfo.LastAccessTime;
retVal.ContentDisposition = disposition;
return(retVal);
}
/// <summary>
/// Parses body from the specified stream
/// </summary>
/// <param name="owner">Owner MIME entity.</param>
/// <param name="defaultContentType">Default content-type for this body.</param>
/// <param name="stream">Stream from where to read body.</param>
/// <returns>Returns parsed body.</returns>
/// <exception cref="ArgumentNullException">Is raised when <b>stream</b>, <b>defaultContentType</b> or <b>strean</b> is null reference.</exception>
/// <exception cref="ParseException">Is raised when any parsing errors.</exception>
protected static new MIME_b Parse(MIME_Entity owner, MIME_h_ContentType defaultContentType, SmartStream stream)
{
if (owner == null)
{
throw new ArgumentNullException("owner");
}
if (defaultContentType == null)
{
throw new ArgumentNullException("defaultContentType");
}
if (stream == null)
{
throw new ArgumentNullException("stream");
}
MIME_b_Application retVal = null;
if (owner.ContentType != null)
{
retVal = new MIME_b_Application(owner.ContentType.TypeWithSubtype);
}
else
{
retVal = new MIME_b_Application(defaultContentType.TypeWithSubtype);
}
Net_Utils.StreamCopy(stream, retVal.EncodedStream, 32000);
return(retVal);
}
/// <summary>
/// Stores MIME entity body to the specified stream.
/// </summary>
/// <param name="stream">Stream where to store body data.</param>
/// <param name="headerWordEncoder">Header 8-bit words ecnoder. Value null means that words are not encoded.</param>
/// <param name="headerParmetersCharset">Charset to use to encode 8-bit header parameters. Value null means parameters not encoded.</param>
/// <param name="headerReencode">If true always specified encoding is used for header. If false and header field value not modified,
/// original encoding is kept.</param>
/// <exception cref="ArgumentNullException">Is raised when <b>stream</b> is null reference.</exception>
internal protected override void ToStream(Stream stream, MIME_Encoding_EncodedWord headerWordEncoder, Encoding headerParmetersCharset, bool headerReencode)
{
// We have signer certificate, sign this entity.
if (this.BodyParts.Count > 0 && m_pSignerCert != null)
{
// Remove old signature if there is any.
if (this.BodyParts.Count > 1)
{
this.BodyParts.Remove(1);
}
// Store entity to tmp stream.
MemoryStream tmpDataEntityStream = new MemoryStream();
this.BodyParts[0].ToStream(tmpDataEntityStream, null, null, false);
// Compute PKCS #7 message.
SignedCms signedCms = new SignedCms(new ContentInfo(tmpDataEntityStream.ToArray()), true);
signedCms.ComputeSignature(new CmsSigner(m_pSignerCert));
byte[] pkcs7 = signedCms.Encode();
// Create PKCS 7 entity.
MIME_Entity entity_application_pkcs7 = new MIME_Entity();
MIME_b_Application application_pkcs7 = new MIME_b_Application(MIME_MediaTypes.Application.x_pkcs7_signature);
entity_application_pkcs7.Body = application_pkcs7;
application_pkcs7.SetData(new MemoryStream(pkcs7), MIME_TransferEncodings.Base64);
entity_application_pkcs7.ContentType.Param_Name = "smime.p7s";
entity_application_pkcs7.ContentDescription = "S/MIME Cryptographic Signature";
this.BodyParts.Add(entity_application_pkcs7);
signedCms.Decode(application_pkcs7.Data);
signedCms.CheckSignature(true);
}
base.ToStream(stream, headerWordEncoder, headerParmetersCharset, headerReencode);
}
/// <summary>
/// Parses body from the specified stream
/// </summary>
/// <param name="owner">Owner MIME entity.</param>
/// <param name="mediaType">MIME media type. For example: text/plain.</param>
/// <param name="stream">Stream from where to read body.</param>
/// <returns>Returns parsed body.</returns>
/// <exception cref="ArgumentNullException">Is raised when <b>stream</b>, <b>mediaType</b> or <b>strean</b> is null reference.</exception>
/// <exception cref="ParseException">Is raised when any parsing errors.</exception>
protected static new MIME_b Parse(MIME_Entity owner, string mediaType, SmartStream stream)
{
if (owner == null)
{
throw new ArgumentNullException("owner");
}
if (mediaType == null)
{
throw new ArgumentNullException("mediaType");
}
if (stream == null)
{
throw new ArgumentNullException("stream");
}
MIME_b_Application retVal = new MIME_b_Application(mediaType);
Net_Utils.StreamCopy(stream, retVal.EncodedStream, 32000);
return(retVal);
}
/// <summary>
/// Creates attachment entity.
/// </summary>
/// <param name="file">File name with optional path.</param>
/// <returns>Returns created attachment entity.</returns>
/// <exception cref="ArgumentNullException">Is raised when <b>file</b> is null reference.</exception>
public static MIME_Entity CreateAttachment(string file)
{
if(file == null){
throw new ArgumentNullException("file");
}
MIME_Entity retVal = new MIME_Entity();
MIME_b_Application body = new MIME_b_Application(MIME_MediaTypes.Application.octet_stream);
retVal.Body = body;
body.SetBodyDataFromFile(file,MIME_TransferEncodings.Base64);
retVal.ContentType.Param_Name = Path.GetFileName(file);
FileInfo fileInfo = new FileInfo(file);
MIME_h_ContentDisposition disposition = new MIME_h_ContentDisposition(MIME_DispositionTypes.Attachment);
disposition.Param_FileName = Path.GetFileName(file);
disposition.Param_Size = fileInfo.Length;
disposition.Param_CreationDate = fileInfo.CreationTime;
disposition.Param_ModificationDate = fileInfo.LastWriteTime;
disposition.Param_ReadDate = fileInfo.LastAccessTime;
retVal.ContentDisposition = disposition;
return retVal;
}
/// <summary>
/// Parses body from the specified stream
/// </summary>
/// <param name="owner">Owner MIME entity.</param>
/// <param name="defaultContentType">Default content-type for this body.</param>
/// <param name="stream">Stream from where to read body.</param>
/// <returns>Returns parsed body.</returns>
/// <exception cref="ArgumentNullException">Is raised when <b>stream</b>, <b>defaultContentType</b> or <b>strean</b> is null reference.</exception>
/// <exception cref="ParseException">Is raised when any parsing errors.</exception>
protected static new MIME_b Parse(MIME_Entity owner,MIME_h_ContentType defaultContentType,SmartStream stream)
{
if(owner == null){
throw new ArgumentNullException("owner");
}
if(defaultContentType == null){
throw new ArgumentNullException("defaultContentType");
}
if(stream == null){
throw new ArgumentNullException("stream");
}
MIME_b_Application retVal = null;
if(owner.ContentType != null){
retVal = new MIME_b_Application(owner.ContentType.TypeWithSubtype);
}
else{
retVal = new MIME_b_Application(defaultContentType.TypeWithSubtype);
}
Net_Utils.StreamCopy(stream,retVal.EncodedStream,stream.LineBufferSize);
return retVal;
}
/// <summary>
/// Generates message parsing failed message.
/// </summary>
/// <param name="message">Message stream.</param>
/// <returns>Returns message parsing failed message.</returns>
/// <exception cref="ArgumentNullException">Is raised when <b>message</b> is null reference.</exception>
public static Mail_Message GenerateBadMessage(Stream message)
{
if(message == null){
throw new ArgumentNullException("message");
}
Mail_Message msg = new Mail_Message();
msg.MimeVersion = "1.0";
msg.MessageID = MIME_Utils.CreateMessageID();
msg.Date = DateTime.Now;
msg.From = new Mail_t_MailboxList();
msg.From.Add(new Mail_t_Mailbox("system","system"));
msg.To = new Mail_t_AddressList();
msg.To.Add(new Mail_t_Mailbox("system","system"));
msg.Subject = "[BAD MESSAGE] Bad message, message parsing failed !";
//--- multipart/mixed -------------------------------------------------------------------------------------------------
MIME_h_ContentType contentType_multipartMixed = new MIME_h_ContentType(MIME_MediaTypes.Multipart.mixed);
contentType_multipartMixed.Param_Boundary = Guid.NewGuid().ToString().Replace('-','.');
MIME_b_MultipartMixed multipartMixed = new MIME_b_MultipartMixed(contentType_multipartMixed);
msg.Body = multipartMixed;
//--- text/plain ---------------------------------------------------------------------------------------------------
MIME_Entity entity_text_plain = new MIME_Entity();
MIME_b_Text text_plain = new MIME_b_Text(MIME_MediaTypes.Text.plain);
entity_text_plain.Body = text_plain;
text_plain.SetText(MIME_TransferEncodings.QuotedPrintable,Encoding.UTF8,"NOTE: Bad message, message parsing failed.\r\n\r\nOriginal message attached as 'data.eml'\r\n");
multipartMixed.BodyParts.Add(entity_text_plain);
//--- application/octet-stream --------------------------------------------------------------------------------------
MIME_Entity entity_application_octet_stream = new MIME_Entity();
entity_application_octet_stream.ContentDisposition = new MIME_h_ContentDisposition("attachment");
entity_application_octet_stream.ContentDisposition.Param_FileName = "data.eml";
MIME_b_Application application_octet_stream = new MIME_b_Application(MIME_MediaTypes.Application.octet_stream);
entity_application_octet_stream.Body = application_octet_stream;
application_octet_stream.SetData(message,"base64");
multipartMixed.BodyParts.Add(entity_application_octet_stream);
return msg;
}
/// <summary>
/// Creates attachment entity.
/// </summary>
/// <param name="stream">Attachment data stream. Data is read from stream current position.</param>
/// <param name="fileName">File name.</param>
/// <returns>Returns created attachment entity.</returns>
/// <exception cref="ArgumentNullException">Is raised when <b>stream</b> or <b>fileName</b> is null reference.</exception>
public static MIME_Entity CreateAttachment(Stream stream,string fileName)
{
if(stream == null){
throw new ArgumentNullException("stream");
}
if(fileName == null){
throw new ArgumentNullException("fileName");
}
long fileSize = stream.CanSeek ? (stream.Length - stream.Position) : -1;
MIME_Entity retVal = new MIME_Entity();
MIME_b_Application body = new MIME_b_Application(MIME_MediaTypes.Application.octet_stream);
retVal.Body = body;
body.SetData(stream,MIME_TransferEncodings.Base64);
retVal.ContentType.Param_Name = Path.GetFileName(fileName);
MIME_h_ContentDisposition disposition = new MIME_h_ContentDisposition(MIME_DispositionTypes.Attachment);
disposition.Param_FileName = Path.GetFileName(fileName);
disposition.Param_Size = fileSize;
//disposition.Param_CreationDate = fileInfo.CreationTime;
//disposition.Param_ModificationDate = fileInfo.LastWriteTime;
//disposition.Param_ReadDate = fileInfo.LastAccessTime;
retVal.ContentDisposition = disposition;
return retVal;
}
/// <summary>
/// Stores MIME entity body to the specified stream.
/// </summary>
/// <param name="stream">Stream where to store body data.</param>
/// <param name="headerWordEncoder">Header 8-bit words ecnoder. Value null means that words are not encoded.</param>
/// <param name="headerParmetersCharset">Charset to use to encode 8-bit header parameters. Value null means parameters not encoded.</param>
/// <param name="headerReencode">If true always specified encoding is used for header. If false and header field value not modified,
/// original encoding is kept.</param>
/// <exception cref="ArgumentNullException">Is raised when <b>stream</b> is null reference.</exception>
internal protected override void ToStream(Stream stream,MIME_Encoding_EncodedWord headerWordEncoder,Encoding headerParmetersCharset,bool headerReencode)
{
// We have signer certificate, sign this entity.
if(this.BodyParts.Count > 0 && m_pSignerCert != null){
// Remove old signature if there is any.
if(this.BodyParts.Count > 1){
this.BodyParts.Remove(1);
}
// Store entity to tmp stream.
MemoryStream tmpDataEntityStream = new MemoryStream();
this.BodyParts[0].ToStream(tmpDataEntityStream,null,null,false);
// Compute PKCS #7 message.
SignedCms signedCms = new SignedCms(new ContentInfo(tmpDataEntityStream.ToArray()),true);
signedCms.ComputeSignature(new CmsSigner(m_pSignerCert));
byte[] pkcs7 = signedCms.Encode();
// Create PKCS 7 entity.
MIME_Entity entity_application_pkcs7 = new MIME_Entity();
MIME_b_Application application_pkcs7 = new MIME_b_Application(MIME_MediaTypes.Application.x_pkcs7_signature);
entity_application_pkcs7.Body = application_pkcs7;
application_pkcs7.SetData(new MemoryStream(pkcs7),MIME_TransferEncodings.Base64);
entity_application_pkcs7.ContentType.Param_Name = "smime.p7s";
entity_application_pkcs7.ContentDescription = "S/MIME Cryptographic Signature";
this.BodyParts.Add(entity_application_pkcs7);
signedCms.Decode(application_pkcs7.Data);
signedCms.CheckSignature(true);
}
base.ToStream(stream,headerWordEncoder,headerParmetersCharset,headerReencode);
}
public void Send(ChannelMessage message)
{
var creds = CredentialsProvider.GetCredentials().ToNetworkCredential();
Mail_Message msg = new Mail_Message();
msg.MimeVersion = "1.0";
msg.MessageID = MIME_Utils.CreateMessageID();
msg.Subject = message.Context;
msg.From = message.From.ToMailBoxList();
msg.ReplyTo = message.ReturnTo == null ?
message.From.ToAddressList() : message.ReturnTo.ToAddressList();
if (String.IsNullOrEmpty(message.InReplyTo) == false)
msg.InReplyTo = message.InReplyTo;
msg.To = new Mail_t_AddressList();
foreach (var address in message.To)
msg.To.Add(address.ToMailBox());
msg.Cc = new Mail_t_AddressList();
foreach (var address in message.CC)
msg.Cc.Add(address.ToMailBox());
//--- multipart/mixed -------------------------------------------------------------------------------------------------
MIME_h_ContentType contentType_multipartMixed = new MIME_h_ContentType(MIME_MediaTypes.Multipart.mixed);
contentType_multipartMixed.Param_Boundary = Guid.NewGuid().ToString().Replace('-', '.');
MIME_b_MultipartMixed multipartMixed = new MIME_b_MultipartMixed(contentType_multipartMixed);
msg.Body = multipartMixed;
//--- multipart/alternative -----------------------------------------------------------------------------------------
MIME_Entity entity_multipartAlternative = new MIME_Entity();
MIME_h_ContentType contentType_multipartAlternative = new MIME_h_ContentType(MIME_MediaTypes.Multipart.alternative);
contentType_multipartAlternative.Param_Boundary = Guid.NewGuid().ToString().Replace('-', '.');
MIME_b_MultipartAlternative multipartAlternative = new MIME_b_MultipartAlternative(contentType_multipartAlternative);
entity_multipartAlternative.Body = multipartAlternative;
multipartMixed.BodyParts.Add(entity_multipartAlternative);
//--- text/plain ----------------------------------------------------------------------------------------------------
MIME_Entity entity_text_plain = new MIME_Entity();
MIME_b_Text text_plain = new MIME_b_Text(MIME_MediaTypes.Text.plain);
entity_text_plain.Body = text_plain;
// Add text body if there is any
if (message.BodyText != null && message.BodyText.Length > 0)
{
var bodyText = message.BodyText.ReadString();
// Make sure there is a newline at the end of our text, otherwise it will screw up
// our multipart data format
if (!bodyText.EndsWith(Environment.NewLine))
bodyText = bodyText + Environment.NewLine;
text_plain.SetText(MIME_TransferEncodings.SevenBit, Encoding.UTF8, bodyText);
}
multipartAlternative.BodyParts.Add(entity_text_plain);
//--- text/html ------------------------------------------------------------------------------------------------------
MIME_Entity entity_text_html = new MIME_Entity();
MIME_b_Text text_html = new MIME_b_Text(MIME_MediaTypes.Text.html);
entity_text_html.Body = text_html;
if (message.BodyHtml != null && message.BodyHtml.Length > 0)
{
var bodyHtml = message.BodyHtml.ReadString();
// Make sure there is a newline at the end of our text, otherwise it will screw up
// our multipart data format
if (!bodyHtml.EndsWith(Environment.NewLine))
bodyHtml = bodyHtml + Environment.NewLine;
text_html.SetText(MIME_TransferEncodings.SevenBit, Encoding.UTF8, bodyHtml);
}
multipartAlternative.BodyParts.Add(entity_text_html);
foreach (var channelAttachment in message.Attachments)
{
MIME_b_Application attachmentBody = new MIME_b_Application(MIME_MediaTypes.Application.octet_stream);
MIME_Entity attachment = new MIME_Entity();
attachment.Body = attachmentBody;
// Has to happen before the following lines of code
multipartMixed.BodyParts.Add(attachment);
attachment.ContentType = new MIME_h_ContentType(MimeHelper.GetMimeType(channelAttachment.Filename));
attachment.ContentType.Param_Name = channelAttachment.Filename;
MIME_h_ContentDisposition contentDisposition = new MIME_h_ContentDisposition(DispositionTypeNames.Attachment);
contentDisposition.Param_FileName = channelAttachment.Filename;
attachment.ContentDisposition = contentDisposition;
attachment.ContentTransferEncoding = TransferEncoding.Base64.ToString();
attachmentBody.SetData(channelAttachment.ContentStream, MIME_TransferEncodings.Base64);
}
// Inject headers
if (!String.IsNullOrEmpty(message.MessageIdentifier))
msg.Header.Add(new MIME_h_Unstructured("x-i2mp-messageid", message.MessageIdentifier));
//if (!String.IsNullOrEmpty(message.Metadata.i2mpFlow))
// msg.Header.Add(new MIME_h_Unstructured("x-i2mp-flow", message.Metadata.i2mpFlow));
//if (!String.IsNullOrEmpty(message.Metadata.i2mpReference))
// mailMessage.Headers.Add("X-i2mp-ref", message.Metadata.i2mpReference);
//if (!String.IsNullOrEmpty(message.Metadata.i2mpSequence))
// mailMessage.Headers.Add("X-i2mp-seq", message.Metadata.i2mpSequence);
//if (!String.IsNullOrEmpty(message.Metadata.i2mpRelation))
// mailMessage.Headers.Add("X-i2mp-rel", message.Metadata.i2mpRelation);
//if (!String.IsNullOrEmpty(message.Metadata.i2mpRelationId))
// mailMessage.Headers.Add("X-i2mp-rel-id", message.Metadata.i2mpRelationId);
// Send message
try
{
SMTP_Client client = new SMTP_Client();
if ("/Settings/Channels/LoggerEnabled".AsKey(false))
client.Logger = new LumiSoft.Net.Log.Logger();
// todo push this logic into the smtp client implementation itself
if (Hostname == "smtp.live.com")
{
// Hack for hotmail, first do a connect with no secured channel,
// then a STARTTLS
client.Connect(Hostname, Port, false);
client.StartTLS();
}
else
{
client.Connect(Hostname, Port, IsSecured);
}
client.Authenticate(creds.UserName, creds.Password);
using (MemoryStream ms = new MemoryStream())
{
client.MailFrom(msg.From[0].Address, -1);
msg.ToStream(ms,
new MIME_Encoding_EncodedWord(MIME_EncodedWordEncoding.Q, Encoding.UTF8), Encoding.UTF8);
// Reset stream
ms.Seek(0, SeekOrigin.Begin);
foreach (var address in message.To)
client.RcptTo(address.Address);
foreach (var address in message.CC)
client.RcptTo(address.Address);
foreach (var address in message.BCC)
client.RcptTo(address.Address);
try
{
client.SendMessage(ms);
}
finally
{
client.Dispose();
}
}
}
catch(SmtpFailedRecipientsException e)
{
throw new ChannelFunctionalException(e.Message, e) { DoNotRetry = true };
}
catch (SmtpException e)
{
throw new ChannelFunctionalException(e.Message, e);
}
catch (Exception e)
{
throw new ChannelFunctionalException(e.Message, e);
}
}
