Пример #1
0
    private Mail_Message CreateMessage(string message)
    {
        Mail_Message m = new Mail_Message();

        m.MimeVersion = "1.0";
        m.Date        = DateTime.Now;
        m.MessageID   = MIME_Utils.CreateMessageID();
        m.From        = Mail_t_MailboxList.Parse(form);
        m.To          = Mail_t_AddressList.Parse(to);
        m.Subject     = subject;


        //--- multipart/alternative -----------------------------------------------------------------------------------------
        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);

        m.Body = 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;
        text_plain.SetText(MIME_TransferEncodings.QuotedPrintable, Encoding.UTF8, message);
        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;
        text_html.SetText(MIME_TransferEncodings.QuotedPrintable, Encoding.UTF8, message);
        multipartAlternative.BodyParts.Add(entity_text_html);

        return(m);
    }
        /// <summary>
        /// Executes specified actions.
        /// </summary>
        /// <param name="dvActions">Dataview what contains actions to be executed.</param>
        /// <param name="server">Reference to owner virtual server.</param>
        /// <param name="message">Recieved message.</param>
        /// <param name="sender">MAIL FROM: command value.</param>
        /// <param name="to">RCPT TO: commands values.</param>
        public GlobalMessageRuleActionResult DoActions(DataView dvActions, VirtualServer server, Stream message, string sender, string[] to)
        {
            // TODO: get rid of MemoryStream, move to Stream

            //    bool   messageChanged = false;
            bool   deleteMessage = false;
            string storeFolder   = null;
            string errorText     = null;

            // Loop actions
            foreach (DataRowView drV in dvActions)
            {
                GlobalMessageRuleAction_enum action = (GlobalMessageRuleAction_enum)drV["ActionType"];
                byte[] actionData = (byte[])drV["ActionData"];

                // Reset stream position
                message.Position = 0;

                #region AutoResponse

                /* Description: Sends specified autoresponse message to sender.
                 *  Action data structure:
                 *      <ActionData>
                 *          <From></From>
                 *          <Message></Message>
                 *      </ActionData>
                 */

                if (action == GlobalMessageRuleAction_enum.AutoResponse)
                {
                    XmlTable table = new XmlTable("ActionData");
                    table.Parse(actionData);

                    string smtp_from   = table.GetValue("From");
                    string responseMsg = table.GetValue("Message");

                    // See if we have header field X-LS-MailServer-AutoResponse, never answer to auto response.
                    MIME_h_Collection header = new MIME_h_Collection(new MIME_h_Provider());
                    header.Parse(new SmartStream(message, false));
                    if (header.Contains("X-LS-MailServer-AutoResponse"))
                    {
                        // Just skip
                    }
                    else
                    {
                        Mail_Message autoresponseMessage = Mail_Message.ParseFromByte(System.Text.Encoding.Default.GetBytes(responseMsg));

                        // Add header field 'X-LS-MailServer-AutoResponse:'
                        autoresponseMessage.Header.Add(new MIME_h_Unstructured("X-LS-MailServer-AutoResponse", ""));
                        // Update message date
                        autoresponseMessage.Date = DateTime.Now;

                        // Set To: if not explicity set
                        if (autoresponseMessage.To == null || autoresponseMessage.To.Count == 0)
                        {
                            if (autoresponseMessage.To == null)
                            {
                                Mail_t_AddressList t = new Mail_t_AddressList();
                                t.Add(new Mail_t_Mailbox(null, sender));
                                autoresponseMessage.To = t;
                            }
                            else
                            {
                                autoresponseMessage.To.Add(new Mail_t_Mailbox(null, sender));
                            }
                        }
                        // Update Subject: variables, if any
                        if (autoresponseMessage.Subject != null)
                        {
                            if (header.Contains("Subject"))
                            {
                                autoresponseMessage.Subject = autoresponseMessage.Subject.Replace("#SUBJECT", header.GetFirst("Subject").ValueToString().Trim());
                            }
                        }

                        // Sender missing, we can't send auto response.
                        if (string.IsNullOrEmpty(sender))
                        {
                            continue;
                        }

                        server.ProcessAndStoreMessage(smtp_from, new string[] { sender }, new MemoryStream(autoresponseMessage.ToByte(new MIME_Encoding_EncodedWord(MIME_EncodedWordEncoding.Q, Encoding.UTF8), Encoding.UTF8)), null);
                    }
                }

                #endregion

                #region Delete Message

                /* Description: Deletes message.
                 *  Action data structure:
                 *      <ActionData>
                 *      </ActionData>
                 */

                else if (action == GlobalMessageRuleAction_enum.DeleteMessage)
                {
                    XmlTable table = new XmlTable("ActionData");
                    table.Parse(actionData);

                    deleteMessage = true;
                }

                #endregion

                #region ExecuteProgram

                /* Description: Executes specified program.
                 *  Action data structure:
                 *      <ActionData>
                 *          <Program></Program>
                 *          <Arguments></Arguments>
                 *      </ActionData>
                 */

                else if (action == GlobalMessageRuleAction_enum.ExecuteProgram)
                {
                    XmlTable table = new XmlTable("ActionData");
                    table.Parse(actionData);

                    System.Diagnostics.ProcessStartInfo pInfo = new System.Diagnostics.ProcessStartInfo();
                    pInfo.FileName       = table.GetValue("Program");
                    pInfo.Arguments      = table.GetValue("Arguments");
                    pInfo.CreateNoWindow = true;
                    System.Diagnostics.Process.Start(pInfo);
                }

                #endregion

                #region ForwardToEmail

                /* Description: Forwards email to specified email.
                 *  Action data structure:
                 *      <ActionData>
                 *          <Email></Email>
                 *      </ActionData>
                 */

                else if (action == GlobalMessageRuleAction_enum.ForwardToEmail)
                {
                    XmlTable table = new XmlTable("ActionData");
                    table.Parse(actionData);

                    // See If message has X-LS-MailServer-ForwardedTo: and equals to "Email".
                    // If so, then we have cross reference forward, don't forward that message
                    MIME_h_Collection header = new MIME_h_Collection(new MIME_h_Provider());
                    header.Parse(new SmartStream(message, false));
                    bool forwardedAlready = false;
                    if (header.Contains("X-LS-MailServer-ForwardedTo"))
                    {
                        foreach (MIME_h headerField in header["X-LS-MailServer-ForwardedTo"])
                        {
                            if (headerField.ValueToString().Trim() == table.GetValue("Email"))
                            {
                                forwardedAlready = true;
                                break;
                            }
                        }
                    }

                    // Reset stream position
                    message.Position = 0;

                    if (forwardedAlready)
                    {
                        // Just skip
                    }
                    else
                    {
                        // Add header field 'X-LS-MailServer-ForwardedTo:'
                        MemoryStream msFwMessage = new MemoryStream();
                        byte[]       fwField     = System.Text.Encoding.Default.GetBytes("X-LS-MailServer-ForwardedTo: " + table.GetValue("Email") + "\r\n");
                        msFwMessage.Write(fwField, 0, fwField.Length);
                        SCore.StreamCopy(message, msFwMessage);

                        server.ProcessAndStoreMessage(sender, new string[] { table.GetValue("Email") }, msFwMessage, null);
                    }
                }

                #endregion

                #region ForwardToHost

                /* Description: Forwards email to specified host.
                 *              All RCPT TO: recipients are preserved.
                 *  Action data structure:
                 *      <ActionData>
                 *          <Host></Host>
                 *          <Port></Port>
                 *      </ActionData>
                 */

                else if (action == GlobalMessageRuleAction_enum.ForwardToHost)
                {
                    XmlTable table = new XmlTable("ActionData");
                    table.Parse(actionData);

                    foreach (string t in to)
                    {
                        message.Position = 0;
                        server.RelayServer.StoreRelayMessage(
                            Guid.NewGuid().ToString(),
                            null,
                            message,
                            HostEndPoint.Parse(table.GetValue("Host") + ":" + table.GetValue("Port")),
                            sender,
                            t,
                            null,
                            SMTP_DSN_Notify.NotSpecified,
                            SMTP_DSN_Ret.NotSpecified
                            );
                    }
                    message.Position = 0;
                }

                #endregion

                #region StoreToDiskFolder

                /* Description: Stores message to specified disk folder.
                 *  Action data structure:
                 *      <ActionData>
                 *          <Folder></Folder>
                 *      </ActionData>
                 */

                else if (action == GlobalMessageRuleAction_enum.StoreToDiskFolder)
                {
                    XmlTable table = new XmlTable("ActionData");
                    table.Parse(actionData);

                    string folder = table.GetValue("Folder");
                    if (!folder.EndsWith("\\"))
                    {
                        folder += "\\";
                    }

                    if (Directory.Exists(folder))
                    {
                        using (FileStream fs = File.Create(folder + DateTime.Now.ToString("ddMMyyyyHHmmss") + "_" + Guid.NewGuid().ToString().Replace('-', '_').Substring(0, 8) + ".eml")){
                            SCore.StreamCopy(message, fs);
                        }
                    }
                    else
                    {
                        // TODO: log error somewhere
                    }
                }

                #endregion

                #region StoreToIMAPFolder

                /* Description: Stores message to specified IMAP folder.
                 *  Action data structure:
                 *      <ActionData>
                 *          <Folder></Folder>
                 *      </ActionData>
                 */

                else if (action == GlobalMessageRuleAction_enum.StoreToIMAPFolder)
                {
                    XmlTable table = new XmlTable("ActionData");
                    table.Parse(actionData);
                    storeFolder = table.GetValue("Folder");
                }

                #endregion

                #region AddHeaderField

                /* Description: Add specified header field to message main header.
                 *  Action data structure:
                 *      <ActionData>
                 *          <HeaderFieldName></HeaderFieldName>
                 *          <HeaderFieldValue></HeaderFieldValue>
                 *      </ActionData>
                 */

                else if (action == GlobalMessageRuleAction_enum.AddHeaderField)
                {
                    XmlTable table = new XmlTable("ActionData");
                    table.Parse(actionData);

                    Mail_Message mime = Mail_Message.ParseFromStream(message);
                    mime.Header.Add(new MIME_h_Unstructured(table.GetValue("HeaderFieldName"), table.GetValue("HeaderFieldValue")));
                    message.SetLength(0);
                    mime.ToStream(message, new MIME_Encoding_EncodedWord(MIME_EncodedWordEncoding.Q, Encoding.UTF8), Encoding.UTF8);

                    //  messageChanged = true;
                }

                #endregion

                #region RemoveHeaderField

                /* Description: Removes specified header field from message mian header.
                 *  Action data structure:
                 *      <ActionData>
                 *          <HeaderFieldName></HeaderFieldName>
                 *      </ActionData>
                 */

                else if (action == GlobalMessageRuleAction_enum.RemoveHeaderField)
                {
                    XmlTable table = new XmlTable("ActionData");
                    table.Parse(actionData);

                    Mail_Message mime = Mail_Message.ParseFromStream(message);
                    mime.Header.RemoveAll(table.GetValue("HeaderFieldName"));
                    message.SetLength(0);
                    mime.ToStream(message, new MIME_Encoding_EncodedWord(MIME_EncodedWordEncoding.Q, Encoding.UTF8), Encoding.UTF8);

                    //    messageChanged = true;
                }

                #endregion

                #region SendErrorToClient

                /* Description: Sends error to currently connected client. NOTE: Error text may contain ASCII printable chars only and maximum length is 500.
                 *  Action data structure:
                 *      <ActionData>
                 *          <ErrorText></ErrorText>
                 *      </ActionData>
                 */

                else if (action == GlobalMessageRuleAction_enum.SendErrorToClient)
                {
                    XmlTable table = new XmlTable("ActionData");
                    table.Parse(actionData);

                    errorText = table.GetValue("ErrorText");
                }

                #endregion

                #region StoreToFTPFolder

                /* Description: Stores message to specified FTP server folder.
                 *  Action data structure:
                 *      <ActionData>
                 *          <Server></Server>
                 *          <Port></Server>
                 *          <User></User>
                 *          <Password></Password>
                 *          <Folder></Folder>
                 *      </ActionData>
                 */

                else if (action == GlobalMessageRuleAction_enum.StoreToFTPFolder)
                {
                    XmlTable table = new XmlTable("ActionData");
                    table.Parse(actionData);

                    _MessageRuleAction_FTP_AsyncSend ftpSend = new _MessageRuleAction_FTP_AsyncSend(
                        table.GetValue("Server"),
                        Convert.ToInt32(table.GetValue("Port")),
                        table.GetValue("User"),
                        table.GetValue("Password"),
                        table.GetValue("Folder"),
                        message,
                        DateTime.Now.ToString("ddMMyyyyHHmmss") + "_" + Guid.NewGuid().ToString().Replace('-', '_').Substring(0, 8) + ".eml"
                        );
                }

                #endregion

                #region PostToNNTPNewsGroup

                /* Description: Posts message to specified NNTP newsgroup.
                 *  Action data structure:
                 *      <ActionData>
                 *          <Server></Server>
                 *          <Port></Server>
                 *          <User></User>
                 *          <Password></Password>
                 *          <Newsgroup></Newsgroup>
                 *      </ActionData>
                 */

                else if (action == GlobalMessageRuleAction_enum.PostToNNTPNewsGroup)
                {
                    XmlTable table = new XmlTable("ActionData");
                    table.Parse(actionData);

                    // Add header field "Newsgroups: newsgroup", NNTP server demands it.
                    Mail_Message mime = Mail_Message.ParseFromStream(message);
                    if (!mime.Header.Contains("Newsgroups:"))
                    {
                        mime.Header.Add(new MIME_h_Unstructured("Newsgroups:", table.GetValue("Newsgroup")));
                    }

                    _MessageRuleAction_NNTP_Async nntp = new _MessageRuleAction_NNTP_Async(
                        table.GetValue("Server"),
                        Convert.ToInt32(table.GetValue("Port")),
                        table.GetValue("Newsgroup"),
                        new MemoryStream(mime.ToByte(new MIME_Encoding_EncodedWord(MIME_EncodedWordEncoding.Q, Encoding.UTF8), Encoding.UTF8))
                        );
                }

                #endregion

                #region PostToHTTP

                /* Description: Posts message to specified page via HTTP.
                 *  Action data structure:
                 *      <ActionData>
                 *          <URL></URL>
                 *          <FileName></FileName>
                 *      </ActionData>
                 */

                else if (action == GlobalMessageRuleAction_enum.PostToHTTP)
                {
                    XmlTable table = new XmlTable("ActionData");
                    table.Parse(actionData);

                    _MessageRuleAction_HTTP_Async http = new _MessageRuleAction_HTTP_Async(
                        table.GetValue("URL"),
                        message
                        );
                }

                #endregion
            }

            return(new GlobalMessageRuleActionResult(deleteMessage, storeFolder, errorText));
        }
Пример #3
0
        public void LoadMessages(String start, String end)
        {
            if (!_IsConnected)
            {
                throw new EMailException {
                          ExceptionType = EMAIL_EXCEPTION_TYPE.NOT_CONNECTED
                }
            }
            ;

            int intStart = 0;

            int.TryParse(start, out intStart);
            int intEnd = Client.Messages.Count - 1;

            int.TryParse(end, out intEnd);

            int okEnd   = (intEnd > Client.Messages.Count - 1 || intEnd < 1) ? Client.Messages.Count - 1 : intEnd;
            int okStart = (intStart <0 || intStart> okEnd) ? 0 : intStart;

            for (int i = okStart; i <= okEnd; i++)
            {
                POP3_ClientMessage   item = Client.Messages[i];
                POP3_Message_Wrapper wr   = new POP3_Message_Wrapper();
                Mail_Message         mime = Mail_Message.ParseFromByte(item.MessageToByte());

                string             body = mime.BodyText;
                Mail_t_AddressList cc   = mime.Cc;
                MIME_Entity[]      atts = mime.Attachments;
                Mail_t_AddressList to   = mime.To;

                wr.Date = mime.Date;
                foreach (var fr in mime.From)
                {
                    if (fr is Mail_t_Mailbox)
                    {
                        wr.From.Add(((Mail_t_Mailbox)fr).Address);
                    }
                }
                wr.UID            = mime.MessageID;
                wr.SequenceNumber = item.SequenceNumber;
                wr.Subject        = mime.Subject;
                wr.TextBody       = String.IsNullOrWhiteSpace(mime.BodyText) ? mime.BodyHtmlText : mime.BodyText;

                foreach (MIME_Entity entity in mime.Attachments)
                {
                    POP3_Mail_Attachment att = new POP3_Mail_Attachment();
                    if (entity.ContentDisposition != null && entity.ContentDisposition.Param_FileName != null)
                    {
                        att.Text = entity.ContentDisposition.Param_FileName;
                    }
                    else
                    {
                        att.Text = "untitled";
                    }
                    att.Body = ((MIME_b_SinglepartBase)entity.Body).Data;
                    wr.Attachments.Add(att);
                }
                _Messages.Add(wr);
            }
        }
Пример #4
0
        public void LoadRecentMessages(Int32 lastSequenceNumber)
        {
            if (!_IsConnected)
            {
                throw new EMailException {
                          ExceptionType = EMAIL_EXCEPTION_TYPE.NOT_CONNECTED
                }
            }
            ;
            List <POP3_ClientMessage> lista = new List <POP3_ClientMessage>();

            foreach (POP3_ClientMessage item in Client.Messages)
            {
                lista.Add(item);
            }
            lista = lista.OrderBy(x => x.SequenceNumber).ToList();
            var nuovi = (from n in lista
                         where n.SequenceNumber > lastSequenceNumber
                         select n).ToList();

            foreach (var item in nuovi)
            {
                POP3_Message_Wrapper wr   = new POP3_Message_Wrapper();
                Mail_Message         mime = Mail_Message.ParseFromByte(item.MessageToByte());

                string             body = mime.BodyText;
                Mail_t_AddressList cc   = mime.Cc;
                MIME_Entity[]      atts = mime.Attachments;
                Mail_t_AddressList to   = mime.To;

                wr.Date = mime.Date;
                foreach (var fr in mime.From)
                {
                    if (fr is Mail_t_Mailbox)
                    {
                        wr.From.Add(((Mail_t_Mailbox)fr).Address);
                    }
                }
                wr.UID            = mime.MessageID;
                wr.SequenceNumber = item.SequenceNumber;
                wr.Subject        = mime.Subject;
                wr.TextBody       = String.IsNullOrWhiteSpace(mime.BodyText) ? mime.BodyHtmlText : mime.BodyText;

                foreach (MIME_Entity entity in mime.Attachments)
                {
                    POP3_Mail_Attachment att = new POP3_Mail_Attachment();
                    if (entity.ContentDisposition != null && entity.ContentDisposition.Param_FileName != null)
                    {
                        att.Text = entity.ContentDisposition.Param_FileName;
                    }
                    else
                    {
                        att.Text = "untitled";
                    }
                    att.Body = ((MIME_b_SinglepartBase)entity.Body).Data;
                    wr.Attachments.Add(att);
                }
                _Messages.Add(wr);
            }
        }
    }