/// <summary>Retrieves a message header by its internal number (1..<see cref="ImapMailboxInfo.Exist" />).</summary>
/// <param name="number">The internal message number (1..<see cref="ImapMailboxInfo.Exist" />).</param>
/// <returns></returns>
/// <exception cref="System.ArgumentOutOfRangeException"></exception>
/// <exception cref="System.FormatException"></exception>
public Rfc822Message GetMessageHeader(int number)
{
if (number < 1)
{
throw new ArgumentOutOfRangeException(nameof(number));
}
while (true)
{
var answer = SendCommand("FETCH " + number + " BODY[HEADER]");
if (answer.Data.Length == 0)
{
continue;
}
var streamReader = answer.GetStreamReader(0);
var header = streamReader.ReadLine();
var size = int.Parse(header.Substring(header.LastIndexOf('{')).Unbox("{", "}", true));
var dataReader = answer.GetDataReader(header.Length + 2);
var messageData = dataReader.ReadBytes(size);
if (messageData.Length != size)
{
throw new FormatException();
}
var message = Rfc822Message.FromBinary(messageData);
return(message);
}
}
public static string saveEmail(Rfc822Message msg, long issueId, long acctId, string uid)
{
string filename = "";
if ((GlobalShared.mailInDir != null) & !string.IsNullOrEmpty(GlobalShared.mailInDir.Trim()))
{
filename = string.Format(GlobalShared.popFilename, GlobalShared.mailInDir, acctId, issueId, DateTime.Now, uid, "txt");
System.IO.StreamWriter sw = new System.IO.StreamWriter(filename, false);
sw.Write(messageFormat(msg));
sw.Flush();
sw.Close();
}
return(filename);
}
/// <summary>Retrieves a message by its internal number (1..<see cref="ImapMailboxInfo.Exist" />).</summary>
/// <param name="number">The internal message number (1..<see cref="ImapMailboxInfo.Exist" />).</param>
/// <returns></returns>
/// <exception cref="System.ArgumentOutOfRangeException"></exception>
public Rfc822Message GetMessage(int number)
{
if (number < 1)
{
throw new ArgumentOutOfRangeException(nameof(number));
}
var answer = SendCommand("FETCH " + number + " BODY[]");
var start = Array.IndexOf(answer.Data, (byte)'\n') + 1;
var end = Array.LastIndexOf(answer.Data, (byte)')') - 2;
var message = new byte[end - start];
Array.Copy(answer.Data, start, message, 0, end - start);
return(Rfc822Message.FromBinary(message));
}
public static string messageFormat(Rfc822Message msg)
{
string outString = "";
outString = "From: " + msg.From.Address + Microsoft.VisualBasic.Constants.vbCrLf;
outString += "To: ";
foreach (Email.Net.Common.EmailAddress addr in msg.To)
{
outString += addr.Address + ", \"";
}
outString += Microsoft.VisualBasic.Constants.vbCrLf;
bool cc = false;
foreach (Email.Net.Common.EmailAddress addr in msg.CarbonCopies)
{
if (!cc)
{
outString += "Bcc: ";
cc = true;
}
outString += addr.Address + ", ";
}
foreach (Email.Net.Common.EmailAddress addr in msg.BlindedCarbonCopies)
{
if (!cc)
{
outString += "Bcc: ";
cc = true;
}
outString += addr.Address + ", ";
}
outString += "Date: " + msg.Date + Microsoft.VisualBasic.Constants.vbCrLf;
outString += "Subject: " + msg.Subject + Microsoft.VisualBasic.Constants.vbCrLf;
outString += "Message: " + Microsoft.VisualBasic.Constants.vbCrLf + msg.Text + Microsoft.VisualBasic.Constants.vbCrLf;
return(outString);
}
public static string findIssueTag(Rfc822Message msg)
{
string tag = "";
bool found = false;
if (GlobalShared.regx.IsMatch(msg.Subject))
{
found = true;
return(parseIssueTag(msg.Subject));
}
if (msg.Header.ExtraHeaders.Count > 0)
{
foreach (System.Collections.Generic.KeyValuePair <string, string> hdr in msg.Header.ExtraHeaders)
{
if (hdr.Key.Equals(GlobalShared.ISSUE_HEADER))
{
found = true;
tag = hdr.Value;
break; // TODO: might not be correct. Was : Exit For
}
}
}
return(tag);
}
private SortedList <string, Rfc822Message> getSmtpMessages()
{
Pop3Client target = new Pop3Client();
target.Host = Host;
//TCP port for connection
target.Port = Convert.ToUInt16(Port);
//Username to login to the POP3 server
target.Username = Username;
//Password to login to the POP3 server
target.Password = Password;
// SSL Interaction type
Email.Net.Common.Configurations.EInteractionType interaction = default(Email.Net.Common.Configurations.EInteractionType);
if (TSL)
{
interaction = EInteractionType.StartTLS;
}
else if (SSL)
{
interaction = EInteractionType.SSLPort;
}
else
{
interaction = EInteractionType.Plain;
}
target.SSLInteractionType = EInteractionType.SSLPort;
target.AuthenticationType = EAuthenticationType.Login;
if (authenticationType == (int)EAuthenticationType.None)
{
Password = "";
Username = "";
}
System.Collections.Generic.SortedList <string, Rfc822Message> messages = new System.Collections.Generic.SortedList <string, Rfc822Message>();
Rfc822Message msg = null;
// Login to POP server
try {
Pop3Response response = target.Login();
if (response.Type == EPop3ResponseType.OK)
{
// Retrieve Unique IDs for all messages
Pop3MessageUIDInfoCollection messageUIDs = target.GetAllUIDMessages();
//Check if messages already received
foreach (Pop3MessageUIDInfo uidInfo in messageUIDs)
{
try {
msg = target.GetMessage(uidInfo.SerialNumber);
} catch (Email.Net.Common.Exceptions.ConnectionException ex) {
} catch (Email.Net.Common.Exceptions.AuthenticationMethodNotSupportedException ex) {
} catch (System.Exception ex) {
}
if ((msg != null))
{
if (!string.IsNullOrEmpty(UtilFunctions.findIssueTag(msg).Trim()))
{
if (!UtilFunctions.searchUID(uidInfo.UniqueNumber))
{
// No. Add to list
messages.Add(uidInfo.UniqueNumber, target.GetMessage(uidInfo.SerialNumber));
}
}
}
if (!runFlag | !isEnabled)
{
break; // TODO: might not be correct. Was : Exit For
}
}
string cnt = (messages.Count.ToString());
cnt += " SMTP messages were found";
GlobalShared.Log.Log((int)LogClass.logType.Info, cnt, false);
}
//Logout from the server
target.Logout();
} catch (IOException ex) {
GlobalShared.Log.Log((int)LogClass.logType.ErrorCondition, ex.Message, false);
} catch (Email.Net.Common.Exceptions.ConnectionException ex) {
GlobalShared.Log.Log((int)LogClass.logType.ErrorCondition, ex.Message, false);
} catch (System.Exception ex) {
GlobalShared.Log.Log((int)LogClass.logType.ErrorCondition, ex.Message, false);
}
return(messages);
}