244 lines
11 KiB
VB.net
244 lines
11 KiB
VB.net
Imports Independentsoft.Email
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Imports Independentsoft.Email.Imap
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Imports Independentsoft.Email.Mime
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Imports DigitalData.EMLProfiler.ClassCurrent
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Imports DigitalData.Modules.Logging
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Imports AE
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Imports System.Net
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Imports System.Reflection
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Imports System.IO
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Public Class clsEmailIMAP
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Private Shared Logger As DigitalData.Modules.Logging.Logger
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Sub New(LogConf As LogConfig)
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Logger = LogConf.GetLogger
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End Sub
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'Private Shared Sub OnWriteLog(ByVal sender As Object, ByVal e As WriteLogEventArgs)
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' Logger.Info(e.Log)
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'End Sub
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Public Function FetchIMAPMessages(Server As String, Port As Integer, Username As String, Password As String, Inbox As String, Optional IsTest As Boolean = False, Optional DeleteinTest As Boolean = False, Optional MoveMailTo As String = "") As Boolean
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Logger.Debug("Connecting to Server {0}:{1} with user {2}", Server, Port, Username)
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Try
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Logger.Debug("Connecting...")
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Using oClient As New S22.Imap.ImapClient(Server, Port, Username, Password, S22.Imap.AuthMethod.Login, True)
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If Not oClient.Authed Then
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Logger.Warn("Connected to server but authentication failed.")
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Return False
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End If
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Logger.Debug("Connection successful")
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Logger.Debug($"Fetching unseen MessageIds from Inbox: {Inbox}")
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Dim oMessageIds As IEnumerable(Of UInteger) = oClient.Search(S22.Imap.SearchCondition.Unseen, Inbox)
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Logger.Debug("Found {0} messages", oMessageIds.Count)
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Logger.Debug("Fetching messages...")
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For Each oMessageId As UInteger In oMessageIds
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Logger.Debug($"Checking message")
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Dim oMessage = oClient.GetMessage(oMessageId, False, Inbox)
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Logger.Debug($"Checking message Subject: {oMessage.Subject}, From: {oMessage.From}")
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Dim oTempPath = Path.GetTempFileName()
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Dim oResult = WriteMessageToFile(oMessage, oTempPath)
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Dim oCount As Integer = 0
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Dim oMsg As New Message(oTempPath)
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oCount &= 1
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If IsTest = False Then
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MAIL_LIST.Add(oMsg)
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Else
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Logger.Debug($"IMAP-Test Message#: {oCount} - Msgsubject is: {oMsg.Subject} - MsgMessageID is: {oMsg.MessageID}")
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Logger.Debug($"message correctly fetched. Mail has been downloaded to {oTempPath}")
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End If
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Try
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If DeleteinTest = True Then
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Logger.Debug($"Message shall be deleted...")
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oClient.DeleteMessage(oMessageId,)
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Logger.Debug($"Message has been deleted!")
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End If
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Catch ex As Exception
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Logger.Warn("Message could not be deleted: " & ex.Message)
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End Try
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Try
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If MoveMailTo <> "" Then
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Logger.Debug($"Moving to [{MoveMailTo}] is active...")
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oClient.MoveMessage(oMessageId, MoveMailTo)
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Logger.Debug($"Successfully moved!")
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End If
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Catch ex As Exception
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Logger.Warn("Message could not be moved: " & ex.Message)
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End Try
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Try
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If IsTest = False Then
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File.Delete(oTempPath)
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End If
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Catch ex As Exception
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Logger.Error(ex)
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Logger.Warn("Temp file could not be deleted")
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End Try
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Next
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oClient.Expunge()
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Logger.Debug("Finished Message-Fetch")
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End Using
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Return True
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Catch ex As Exception
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Logger.Error(ex)
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Return False
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End Try
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End Function
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Private Shared Sub OnWriteLog(ByVal sender As Object, ByVal e As WriteLogEventArgs)
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Console.Write(e.Log)
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End Sub
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Public Function FetchIMAPMessagesIsoft(Server As String, Port As Integer, Username As String, Password As String, Inbox As String, Optional IsTest As Boolean = False, Optional DeleteinTest As Boolean = False, Optional MoveMailTo As String = "", Optional IsoftLog As String = "")
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Try
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Logger.Debug(String.Format("Working on IMAP_COLLECT Independentsoft..."))
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Dim oClient As New Independentsoft.Email.Imap.ImapClient(Server, Port)
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If IsoftLog <> "" Then
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Dim iLogger As New Independentsoft.Email.Logger(IsoftLog)
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AddHandler iLogger.WriteLog, AddressOf OnWriteLog
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oClient.Logger = iLogger
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End If
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oClient.EnableSsl = True
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oClient.ValidateRemoteCertificate = False
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oClient.Connect()
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Try
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oClient.Login(Username, Password, AuthenticationType.Login)
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Catch ex As Exception
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Try
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oClient.Login(Username, Password, AuthenticationType.Ntlm)
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Catch ex1 As Exception
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Logger.Error(ex)
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Return False
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End Try
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End Try
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Logger.Debug("Logged in...")
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oClient.SelectFolder(Inbox)
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Dim oEnvelopes As Independentsoft.Email.Imap.Envelope() = oClient.ListMessages()
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Dim oCount As Integer = 0
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For i As Integer = 0 To oEnvelopes.Length - 1
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If Not IsNothing(oEnvelopes(i).Subject) Then
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'If envelopes(i).Subject.ToString.ToUpper.Contains("[PROCESSMANAGER]") Or envelopes(i).Subject.ToString.ToUpper.Contains("[ADDI]") Then
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Logger.Info($"Working on email: UniqueID: {oEnvelopes(i).UniqueID} - Subject:{oEnvelopes(i).Subject} - Date {oEnvelopes(i).Date.ToString}")
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Dim oMessage As Mime.Message = oClient.GetMessage(oEnvelopes(i).UniqueID)
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If Not IsNothing(oMessage) Then
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oCount += 1
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MAIL_LIST.Add(oMessage)
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End If
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Try
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If DeleteinTest = True Then
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Logger.Debug($"Message shall be deleted...")
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oClient.Delete(oEnvelopes(i).UniqueID)
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Logger.Debug($"Message has been marked as deleted!")
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End If
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Catch ex As Exception
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Logger.Warn("Message could not be deleted: " & ex.Message)
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End Try
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Try
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If MoveMailTo <> "" Then
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Logger.Debug($"Moving to [{MoveMailTo}] is active...")
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oClient.AddMessage(MoveMailTo, oMessage)
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Logger.Debug($"Successfully moved!")
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End If
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Catch ex As Exception
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Logger.Warn("Message could not be moved: " & ex.Message)
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End Try
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End If
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Next
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oClient.Expunge()
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oClient.Disconnect()
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' Logger.Debug($"{oCount.ToString} messages will be worked..")
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' Logger.Debug("IMAP_COLLECT finished!")
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Return True
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Catch ex As Exception
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Logger.Error(ex, "Unexpected Error in IMAP COLLECT Independentsoft:")
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Return False
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End Try
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End Function
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''' <summary>
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''' Uses a private API from MailWriter to write a MailMessage to disk.
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''' May break in future versions of .NET
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''' </summary>
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Public Function WriteMessageToFile(Message As Mail.MailMessage, Filename As String) As Boolean
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Dim oAssembly As Assembly = GetType(Mail.SmtpClient).Assembly
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Dim oMailWriterType As Type = oAssembly.[GetType]("System.Net.Mail.MailWriter")
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Try
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Using oStream As New FileStream(Filename, FileMode.Create)
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Dim oMailWriterConstructor As ConstructorInfo = oMailWriterType.GetConstructor(
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BindingFlags.Instance Or BindingFlags.NonPublic, Nothing, New Type() {GetType(Stream)}, Nothing
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)
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Dim oMailWriter As Object = oMailWriterConstructor.Invoke(New Object() {oStream})
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Dim sendMethod As MethodInfo = GetType(Mail.MailMessage).GetMethod("Send", BindingFlags.Instance Or BindingFlags.NonPublic)
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sendMethod.Invoke(Message, BindingFlags.Instance Or BindingFlags.NonPublic, Nothing, {oMailWriter, True, True}, Nothing)
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End Using
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Return True
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Catch ex As Exception
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Return Nothing
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End Try
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End Function
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'Public Function TEST_IMAP_COLLECT(INBOXNAME As String, MYMAIL_SERVER As String, MYMAIL_PORT As Integer, MYMAIL_USER As String, MYMAIL_USER_PW As String)
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' Try
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' Logger.Info(String.Format("Working on TEST_IMAP_COLLECT....."))
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' Dim oLogPath = System.IO.Path.Combine(My.Application.Info.DirectoryPath, "Log\logindependentSoft.txt")
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' Logger.Debug($"IsoftLog: {oLogPath}...")
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' Dim oindependentLogger As New Independentsoft.Email.Logger(oLogPath)
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' Dim oImapClient As New Independentsoft.Email.Imap.ImapClient(MYMAIL_SERVER, MYMAIL_PORT)
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' oImapClient.Logger = oindependentLogger
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' oImapClient.ValidateRemoteCertificate = False
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' oImapClient.Connect()
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' Logger.Debug($"oImapClient connected...")
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' Try
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' oImapClient.Login(MAIL_USER, MAIL_USER_PW, AuthenticationType.Login)
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' Catch ex As Exception
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' MsgBox($"Unexpected error in (oImapClient.Login): {ex.Message}")
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' Logger.Info($"Unexpected error in oImapClient.Login - User: [{MYMAIL_USER}] PW: [{MYMAIL_USER_PW}]")
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' Logger.Warn(ex.StackTrace.ToString)
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' Logger.Warn(ex.Message)
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' oImapClient.Logger.Close()
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' Logger.Error(ex)
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' Return False
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' End Try
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' oImapClient.SelectFolder(INBOXNAME)
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' Dim oEnvelopes As Independentsoft.Email.Imap.Envelope() = oImapClient.ListMessages()
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' For i As Integer = 0 To oEnvelopes.Length - 1
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' If Not IsNothing(oEnvelopes(i).Subject) Then
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' 'If envelopes(i).Subject.ToString.ToUpper.Contains("[PROCESSMANAGER]") Or envelopes(i).Subject.ToString.ToUpper.Contains("[ADDI]") Then
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' MsgBox($"Working on email: UniqueID: {oEnvelopes(i).UniqueID} - Subject:{oEnvelopes(i).Subject} - Date {oEnvelopes(i).Date.ToString}")
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' Dim message As Mime.Message = oImapClient.GetMessage(oEnvelopes(i).UniqueID)
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' End If
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' Next
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' oImapClient.Disconnect()
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' oImapClient.Logger.Close()
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' Logger.Info("TEST_IMAP_COLLECT finished!")
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' Return True
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' Catch ex As Exception
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' Logger.Info($"Unexpected error in TEST_IMAP_COLLECT - User: [{MYMAIL_USER}] PW: [{MYMAIL_USER_PW}]")
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' MsgBox($"Unexpected error in TEST_IMAP_COLLECT: {ex.Message}")
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' Logger.Error(ex, "Unexpected Error in TEST_IMAP_COLLECT:")
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' Return False
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' End Try
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'End Function
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End Class
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