(Classic ASP) IMAP Read PEC Email of Aruba and Extract the Invoice XML Files

IMAP Read PEC Email of Aruba and Extract the Invoice XML Files.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

<html>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>
<body>
<%
' This example requires the Chilkat API to have been previously unlocked.
' See Global Unlock Sample for sample code.

' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.Imap")
set imap = Server.CreateObject("Chilkat.Imap")

' Connect using TLS.
imap.Ssl = 1
imap.Port = 993
success = imap.Connect("imap.example.com")
If (success = 0) Then
    Response.Write "<pre>" & Server.HTMLEncode( imap.LastErrorText) & "</pre>"
    Response.End
End If

' Authenticate
success = imap.Login("email_account_login","email_account_password")
If (success = 0) Then
    Response.Write "<pre>" & Server.HTMLEncode( imap.LastErrorText) & "</pre>"
    Response.End
End If

' Select an IMAP mailbox
success = imap.SelectMailbox("Inbox/postacert")
If (success = 0) Then
    Response.Write "<pre>" & Server.HTMLEncode( imap.LastErrorText) & "</pre>"
    Response.End
End If

' Search for messages having "POSTA CERTIFICATA: Invio File" in the subject.
fetchUids = 1
' messageSet is a Chilkat.MessageSet
Set messageSet = imap.Search("SUBJECT ""POSTA CERTIFICATA: Invio File""",fetchUids)
If (imap.LastMethodSuccess = 0) Then
    Response.Write "<pre>" & Server.HTMLEncode( imap.LastErrorText) & "</pre>"
    Response.End
End If

If (messageSet.Count < 1) Then
    Response.Write "<pre>" & Server.HTMLEncode( "No messages found.") & "</pre>"

    Response.End
End If

' For our example, we'll process only the 1st email in the messageSet.
' Download the MIME source of the email into a StringBuilder object.
' email is a Chilkat.Email
Set email = imap.FetchSingle(messageSet.GetId(0),messageSet.HasUids)
If (imap.LastMethodSuccess = 0) Then
    Response.Write "<pre>" & Server.HTMLEncode( imap.LastErrorText) & "</pre>"

    Response.End
End If

' The email should contain an attached email.
' The Invoice XML is contained within the attached email.
' attachedEmail is a Chilkat.Email
Set attachedEmail = email.GetAttachedMessage(0)
If (email.LastMethodSuccess = 0) Then
    Response.Write "<pre>" & Server.HTMLEncode( email.LastErrorText) & "</pre>"

    Response.End
End If

' Get the MIME of the attached email..
' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.StringBuilder")
set sbMime = Server.CreateObject("Chilkat.StringBuilder")
success = attachedEmail.GetMimeSb(sbMime)

' Load it into a Chilkat MIME object.
' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.Mime")
set mime = Server.CreateObject("Chilkat.Mime")
success = mime.LoadMimeSb(sbMime)

' Examine the structure of the MIME.
Response.Write "<pre>" & Server.HTMLEncode( mime.GetStructure("text")) & "</pre>"

' The MIME has this structure:
' multipart/mixed
'     application/octet-stream
'     application/octet-stream     <-- This is where the XML is contained.   It is within an opaque signature.
'     text/plain

' The 2nd application/octet-stream MIME header looks like this:

' ------=_Part_329673_-1348225228.1579889273592
' Content-Type: application/octet-stream; name="SM99999_99aaa.xml.p7m"
' Content-Transfer-Encoding: base64
' Content-Disposition: attachment; filename="SM99999_99aaa.xml.p7m"

' Let's get the binary content of the .p7m
' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.BinData")
set bdP7m = Server.CreateObject("Chilkat.BinData")
' Get the 2nd sub-part, at index 1 because index 0 is the 1st sub-part.
' mimeP7m is a Chilkat.Mime
Set mimeP7m = mime.GetPart(1)
If (mime.LastMethodSuccess <> 1) Then
    Response.Write "<pre>" & Server.HTMLEncode( "Failed to get 2nd sub-part. Perhaps the MIME does not have a 2nd sub-part?") & "</pre>"
    Response.End
End If

success = mimeP7m.GetBodyBd(bdP7m)

' Verify the signature, which also extracts the content contained within the opaque signature.
' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.Crypt2")
set crypt = Server.CreateObject("Chilkat.Crypt2")
success = crypt.OpaqueVerifyBd(bdP7m)
If (success = 0) Then
    Response.Write "<pre>" & Server.HTMLEncode( crypt.LastErrorText) & "</pre>"
    Response.End
End If

' The bdP7m now contains the Invoice XML.
' Load it into an XML object.
' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.Xml")
set xml = Server.CreateObject("Chilkat.Xml")
success = xml.LoadBd(bdP7m,1)

Response.Write "<pre>" & Server.HTMLEncode( xml.GetXml()) & "</pre>"

' We have XML such as the following:
' 
' <?xml version="1.0" encoding="windows-1252"?>
' <?xml-stylesheet type="text/xsl" href="fatturapa_v1.2.xsl"?>
' <p:FatturaElettronica versione="FPR12" xmlns:ds="http://www.w3.org/2000/09/xmldsig#" 
'     xmlns:p="http://ivaservizi.agenziaentrate.gov.it/docs/xsd/fatture/v1.2" 
'     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
'     <FatturaElettronicaHeader>
' 	...
'     </FatturaElettronicaHeader>
'     <FatturaElettronicaBody>
' 	...
'     </FatturaElettronicaBody>
' </p:FatturaElettronica>

' Use this online tool to generate parsing code from sample XML: 
' Generate Parsing Code from XML

Response.Write "<pre>" & Server.HTMLEncode( "success.") & "</pre>"

%>
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