/// <summary>
/// Default constructor.
/// </summary>
/// <param name="server"></param>
/// <param name="api"></param>
public FetchPop3(VirtualServer server,IMailServerApi api)
{
m_pServer = server;
m_pApi = api;
m_LastFetch = DateTime.Now.AddMinutes(-5);
m_pTimer = new Timer();
m_pTimer.Interval = 15000;
m_pTimer.Elapsed += new ElapsedEventHandler(m_pTimer_Elapsed);
}
/// <summary>
/// Default constructor.
/// </summary>
/// <param name="virtualServer">Owner virtual server.</param>
/// <exception cref="ArgumentNullException">Is raised when <b>virtualServer</b> is null.</exception>
public RelayServer(VirtualServer virtualServer)
{
if(virtualServer == null){
throw new ArgumentNullException("virtualServer");
}
m_pVirtualServer = virtualServer;
this.Queues.Add(new Relay_Queue("Relay"));
this.Queues.Add(new Relay_Queue("Retry"));
}
/// <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());
}
}
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(
null,
Guid.NewGuid().ToString(),
message,
HostEndPoint.Parse(table.GetValue("Host") + ":" + table.GetValue("Port")),
sender,
t,
null,
SMTP_DSN_Notify.NotSpecified,
SMTP_DSN_Ret.NotSpecified
);
}
message.Position = 0; // TODO: does it later that needed there, must do in called place instead ?
}
#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);
}
/// <summary>
/// Loads virtual server from xml file.
/// </summary>
internal void LoadVirtualServers()
{
try{
if(!File.Exists(SCore.PathFix(m_StartupPath + "Settings\\localServers.xml"))){
return;
}
DateTime dateServers = File.GetLastWriteTime(SCore.PathFix(m_StartupPath + "Settings\\localServers.xml"));
if(DateTime.Compare(dateServers,m_ServersFileDate) != 0){
m_ServersFileDate = dateServers;
DataSet ds = new DataSet();
ds.Tables.Add("Servers");
ds.Tables["Servers"].Columns.Add("ID");
ds.Tables["Servers"].Columns.Add("Enabled");
ds.Tables["Servers"].Columns.Add("Name");
ds.Tables["Servers"].Columns.Add("API_assembly");
ds.Tables["Servers"].Columns.Add("API_class");
ds.Tables["Servers"].Columns.Add("API_initstring");
ds.ReadXml(SCore.PathFix(m_StartupPath + "Settings\\localServers.xml"));
if(ds.Tables.Contains("Servers")){
// Delete running virtual servers what has deleted.
for(int i=0;i<m_pVirtualServers.Count;i++){
VirtualServer server = m_pVirtualServers[i];
bool exists = false;
foreach(DataRow dr in ds.Tables["Servers"].Rows){
if(server.ID == dr["ID"].ToString()){
exists = true;
break;
}
}
if(!exists){
server.Stop();
m_pVirtualServers.Remove(server);
i--;
}
}
// Add new added virtual servers what aren't running already.
foreach(DataRow dr in ds.Tables["Servers"].Rows){
//--- See if specified server already running, if so, skip it. --//
bool exists = false;
foreach(VirtualServer server in m_pVirtualServers){
if(server.ID == dr["ID"].ToString()){
exists = true;
server.Enabled = ConvertEx.ToBoolean(dr["Enabled"],true);
break;
}
}
if(exists){
continue;
}
//--------------------------------------------------------------//
string id = dr["ID"].ToString();
string name = dr["Name"].ToString();
string assembly = dr["API_assembly"].ToString();
string apiClass = dr["API_class"].ToString();
string intiStr = dr["API_initstring"].ToString();
IMailServerApi api = LoadApi(assembly,apiClass,intiStr);
VirtualServer virtualServer = new VirtualServer(this,id,name,intiStr,api);
m_pVirtualServers.Add(virtualServer);
virtualServer.Enabled = ConvertEx.ToBoolean(dr["Enabled"],true);
}
}
}
}
catch(Exception x){
Error.DumpError(x,new System.Diagnostics.StackTrace());
}
}
