/// <summary>
/// Parses header field from the specified value.
/// </summary>
/// <param name="value">Header field value. Header field name must be included. For example: 'Content-Type: text/plain'.</param>
/// <returns>Returns parsed header field.</returns>
/// <exception cref="ArgumentNullException">Is raised when <b>value</b> is null reference.</exception>
/// <exception cref="ParseException">Is raised when header field parsing errors.</exception>
public static Mail_h_AddressList Parse(string value)
{
if (value == null)
{
throw new ArgumentNullException("value");
}
string[] name_value = value.Split(new char[] { ':' }, 2);
if (name_value.Length != 2)
{
throw new ParseException("Invalid header field value '" + value + "'.");
}
/* RFC 5322 3.4.
* address = mailbox / group
* mailbox = name-addr / addr-spec
* name-addr = [display-name] angle-addr
* angle-addr = [CFWS] "<" addr-spec ">" [CFWS] / obs-angle-addr
* group = display-name ":" [group-list] ";" [CFWS]
* display-name = phrase
* mailbox-list = (mailbox *("," mailbox)) / obs-mbox-list
* address-list = (address *("," address)) / obs-addr-list
* group-list = mailbox-list / CFWS / obs-group-list
*/
Mail_h_AddressList retVal = new Mail_h_AddressList(name_value[0], Mail_t_AddressList.Parse(name_value[1].Trim()));
retVal.m_ParseValue = value;
retVal.m_pAddresses.AcceptChanges();
return(retVal);
}
/// <summary>
/// Default constructor.
/// </summary>
/// <param name="fieldName">Header field name. For example: "To".</param>
/// <param name="values">Addresses collection.</param>
/// <exception cref="ArgumentNullException">Is raised when <b>filedName</b> or <b>values</b> is null reference.</exception>
/// <exception cref="ArgumentException">Is raised when any of the arguments has invalid value.</exception>
public Mail_h_AddressList(string fieldName,Mail_t_AddressList values)
{
if(fieldName == null){
throw new ArgumentNullException("fieldName");
}
if(fieldName == string.Empty){
throw new ArgumentException("Argument 'fieldName' value must be specified.");
}
if(values == null){
throw new ArgumentNullException("values");
}
m_Name = fieldName;
m_pAddresses = values;
}
/// <summary>
/// Default constructor.
/// </summary>
/// <param name="fieldName">Header field name. For example: "To".</param>
/// <param name="values">Addresses collection.</param>
/// <exception cref="ArgumentNullException">Is raised when <b>filedName</b> or <b>values</b> is null reference.</exception>
/// <exception cref="ArgumentException">Is raised when any of the arguments has invalid value.</exception>
public Mail_h_AddressList(string fieldName, Mail_t_AddressList values)
{
if (fieldName == null)
{
throw new ArgumentNullException("fieldName");
}
if (fieldName == string.Empty)
{
throw new ArgumentException("Argument 'fieldName' value must be specified.");
}
if (values == null)
{
throw new ArgumentNullException("values");
}
m_Name = fieldName;
m_pAddresses = values;
}
/// <summary>
/// Parses <b>address-list</b> from specified string value.
/// </summary>
/// <param name="value">The <b>address-list</b> string value.</param>
/// <returns></returns>
/// <exception cref="ArgumentNullException">Is raised when <b>value</b> is null reference.</exception>
/// <exception cref="ParseException">Is raised when <b>value</b> is not valid <b>address-list</b> value.</exception>
public static Mail_t_AddressList Parse(string value)
{
if (value == null)
{
throw new ArgumentNullException("value");
}
/* RFC 5322 3.4.
* address = mailbox / group
* mailbox = name-addr / addr-spec
* name-addr = [display-name] angle-addr
* angle-addr = [CFWS] "<" addr-spec ">" [CFWS] / obs-angle-addr
* group = display-name ":" [group-list] ";" [CFWS]
* display-name = phrase
* mailbox-list = (mailbox *("," mailbox)) / obs-mbox-list
* address-list = (address *("," address)) / obs-addr-list
* group-list = mailbox-list / CFWS / obs-group-list
*/
MIME_Reader r = new MIME_Reader(value);
Mail_t_AddressList retVal = new Mail_t_AddressList();
while (true)
{
string word = r.QuotedReadToDelimiter(new char[] { ',', '<', ':' });
// We processed all data.
if (word == null && r.Available == 0)
{
break;
}
// group
else if (r.Peek(true) == ':')
{
Mail_t_Group group = new Mail_t_Group(word != null ? MIME_Encoding_EncodedWord.DecodeS(TextUtils.UnQuoteString(word)) : null);
// Consume ':'
r.Char(true);
while (true)
{
word = r.QuotedReadToDelimiter(new char[] { ',', '<', ':', ';' });
// We processed all data.
if ((word == null && r.Available == 0) || r.Peek(false) == ';')
{
break;
}
// In valid address list value.
else if (word == string.Empty)
{
throw new ParseException("Invalid address-list value '" + value + "'.");
}
// name-addr
else if (r.Peek(true) == '<')
{
group.Members.Add(new Mail_t_Mailbox(word != null ? MIME_Encoding_EncodedWord.DecodeS(TextUtils.UnQuoteString(word)) : null, r.ReadParenthesized()));
}
// addr-spec
else
{
group.Members.Add(new Mail_t_Mailbox(null, word));
}
// We reached at the end of group.
if (r.Peek(true) == ';')
{
r.Char(true);
break;
}
// We have more addresses.
if (r.Peek(true) == ',')
{
r.Char(false);
}
}
retVal.Add(group);
}
// name-addr
else if (r.Peek(true) == '<')
{
retVal.Add(new Mail_t_Mailbox(word != null ? MIME_Encoding_EncodedWord.DecodeS(TextUtils.UnQuoteString(word.Trim())) : null, r.ReadParenthesized()));
}
// addr-spec
else
{
retVal.Add(new Mail_t_Mailbox(null, word));
}
// We have more addresses.
if (r.Peek(true) == ',')
{
r.Char(false);
}
}
return(retVal);
}
/// <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>
/// Parses <b>address-list</b> from specified string value.
/// </summary>
/// <param name="value">The <b>address-list</b> string value.</param>
/// <returns></returns>
/// <exception cref="ArgumentNullException">Is raised when <b>value</b> is null reference.</exception>
/// <exception cref="ParseException">Is raised when <b>value</b> is not valid <b>address-list</b> value.</exception>
public static Mail_t_AddressList Parse(string value)
{
if(value == null){
throw new ArgumentNullException("value");
}
/* RFC 5322 3.4.
address = mailbox / group
mailbox = name-addr / addr-spec
name-addr = [display-name] angle-addr
angle-addr = [CFWS] "<" addr-spec ">" [CFWS] / obs-angle-addr
group = display-name ":" [group-list] ";" [CFWS]
display-name = phrase
mailbox-list = (mailbox *("," mailbox)) / obs-mbox-list
address-list = (address *("," address)) / obs-addr-list
group-list = mailbox-list / CFWS / obs-group-list
*/
MIME_Reader r = new MIME_Reader(value);
Mail_t_AddressList retVal = new Mail_t_AddressList();
while(true){
string word = r.QuotedReadToDelimiter(new char[]{',','<',':'});
// We processed all data.
if(word == null && r.Available == 0){
break;
}
// group
else if(r.Peek(true) == ':'){
Mail_t_Group group = new Mail_t_Group(word != null ? MIME_Encoding_EncodedWord.DecodeS(TextUtils.UnQuoteString(word)) : null);
// Consume ':'
r.Char(true);
while(true){
word = r.QuotedReadToDelimiter(new char[]{',','<',':',';'});
// We processed all data.
if((word == null && r.Available == 0) || r.Peek(false) == ';'){
break;
}
// In valid address list value.
else if(word == string.Empty){
throw new ParseException("Invalid address-list value '" + value + "'.");
}
// name-addr
else if(r.Peek(true) == '<'){
group.Members.Add(new Mail_t_Mailbox(word != null ? MIME_Encoding_EncodedWord.DecodeS(TextUtils.UnQuoteString(word)) : null,r.ReadParenthesized()));
}
// addr-spec
else{
group.Members.Add(new Mail_t_Mailbox(null,word));
}
// We reached at the end of group.
if(r.Peek(true) == ';'){
r.Char(true);
break;
}
// We have more addresses.
if(r.Peek(true) == ','){
r.Char(false);
}
}
retVal.Add(group);
}
// name-addr
else if(r.Peek(true) == '<'){
retVal.Add(new Mail_t_Mailbox(word != null ? MIME_Encoding_EncodedWord.DecodeS(TextUtils.UnQuoteString(word.Trim())) : null,r.ReadParenthesized()));
}
// addr-spec
else{
retVal.Add(new Mail_t_Mailbox(null,word));
}
// We have more addresses.
if(r.Peek(true) == ','){
r.Char(false);
}
}
return retVal;
}
