Tools/Start-PodeSmtpServer.ps1
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function Start-PodeSmtpServer { # ensure we have smtp handlers if ($PodeSession.TcpHandlers['smtp'] -eq $null) { throw 'No SMTP handler has been passed' } # scriptblock for the core smtp message processing logic $process = { param ( [Parameter()] $Client ) # if there's no client, just return if ($Client -eq $null) { return } # variables to store data for later processing $mail_from = [string]::Empty $rcpt_tos = @() $data = [string]::Empty # open response to smtp request Write-ToTcpStream -Client $Client -Message '220 localhost -- Pode Proxy Server' $msg = [string]::Empty # respond to smtp request while ($true) { try { $msg = Read-FromTcpStream -Client $Client } catch { break } if (![string]::IsNullOrWhiteSpace($msg)) { if ($msg.StartsWith('QUIT')) { Write-ToTcpStream -Client $Client -Message '221 Bye' $Client.Close() break } if ($msg.StartsWith('EHLO') -or $msg.StartsWith('HELO')) { Write-ToTcpStream -Client $Client -Message '250 OK' } if ($msg.StartsWith('RCPT TO')) { Write-ToTcpStream -Client $Client -Message '250 OK' $rcpt_tos += (Get-SmtpEmail $msg) } if ($msg.StartsWith('MAIL FROM')) { Write-ToTcpStream -Client $Client -Message '250 OK' $mail_from = Get-SmtpEmail $msg } if ($msg.StartsWith('DATA')) { Write-ToTcpStream -Client $Client -Message '354 Start mail input; end with <CR><LF>.<CR><LF>' $data = Read-FromTcpStream -Client $Client Write-ToTcpStream -Client $Client -Message '250 OK' # set session data $PodeSession.Smtp.From = $mail_from $PodeSession.Smtp.To = $rcpt_tos $PodeSession.Smtp.Data = $data # call user handlers for processing smtp data Invoke-Command -ScriptBlock $PodeSession.TcpHandlers['smtp'] -ArgumentList $PodeSession.Smtp } } } } # setup and run the smtp listener try { $endpoint = New-Object System.Net.IPEndPoint([System.Net.IPAddress]::Any, $PodeSession.Port) $listener = New-Object System.Net.Sockets.TcpListener -ArgumentList $endpoint # start listener $listener.Start() # state where we're running Write-Host "Listening on smtp://localhost:$($PodeSession.Port)" -ForegroundColor Yellow # loop for tcp request while ($true) { if ($listener.Pending()) { $client = $listener.AcceptTcpClient() $PodeSession.Smtp = @{} Invoke-Command -ScriptBlock $process -ArgumentList $client } } Write-Host 'Terminating...' } finally { if ($listener -ne $null) { $listener.Stop() } } } function Get-SmtpEmail { param ( [Parameter()] [string] $Value ) $tmp = ($Value -isplit ':') if ($tmp.Length -gt 1) { return $tmp[1].Trim().Trim('<', '>') } return [string]::Empty } |