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(VBScript) 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

Dim fso, outFile
Set fso = CreateObject("Scripting.FileSystemObject")
Set outFile = fso.CreateTextFile("output.txt", True)

' This example requires the Chilkat API to have been previously unlocked.
' See Global Unlock Sample for sample code.

set imap = CreateObject("Chilkat_9_5_0.Imap")

' Connect using TLS.
imap.Ssl = 1
imap.Port = 993
success = imap.Connect("imap.example.com")
If (success = 0) Then
    outFile.WriteLine(imap.LastErrorText)
    WScript.Quit
End If

' Authenticate
success = imap.Login("email_account_login","email_account_password")
If (success = 0) Then
    outFile.WriteLine(imap.LastErrorText)
    WScript.Quit
End If

' Select an IMAP mailbox
success = imap.SelectMailbox("Inbox/postacert")
If (success = 0) Then
    outFile.WriteLine(imap.LastErrorText)
    WScript.Quit
End If

' Search for messages having "POSTA CERTIFICATA: Invio File" in the subject.
fetchUids = 1
' messageSet is a Chilkat_9_5_0.MessageSet
Set messageSet = imap.Search("SUBJECT ""POSTA CERTIFICATA: Invio File""",fetchUids)
If (imap.LastMethodSuccess = 0) Then
    outFile.WriteLine(imap.LastErrorText)
    WScript.Quit
End If

If (messageSet.Count < 1) Then
    outFile.WriteLine("No messages found.")

    WScript.Quit
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_9_5_0.Email
Set email = imap.FetchSingle(messageSet.GetId(0),messageSet.HasUids)
If (imap.LastMethodSuccess = 0) Then
    outFile.WriteLine(imap.LastErrorText)

    WScript.Quit
End If

' The email should contain an attached email.
' The Invoice XML is contained within the attached email.
' attachedEmail is a Chilkat_9_5_0.Email
Set attachedEmail = email.GetAttachedMessage(0)
If (email.LastMethodSuccess = 0) Then
    outFile.WriteLine(email.LastErrorText)

    WScript.Quit
End If

' Get the MIME of the attached email..
set sbMime = CreateObject("Chilkat_9_5_0.StringBuilder")
success = attachedEmail.GetMimeSb(sbMime)

' Load it into a Chilkat MIME object.
set mime = CreateObject("Chilkat_9_5_0.Mime")
success = mime.LoadMimeSb(sbMime)

' Examine the structure of the MIME.
outFile.WriteLine(mime.GetStructure("text"))

' 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
set bdP7m = CreateObject("Chilkat_9_5_0.BinData")
' Get the 2nd sub-part, at index 1 because index 0 is the 1st sub-part.
' mimeP7m is a Chilkat_9_5_0.Mime
Set mimeP7m = mime.GetPart(1)
If (mime.LastMethodSuccess <> 1) Then
    outFile.WriteLine("Failed to get 2nd sub-part. Perhaps the MIME does not have a 2nd sub-part?")
    WScript.Quit
End If

success = mimeP7m.GetBodyBd(bdP7m)

' Verify the signature, which also extracts the content contained within the opaque signature.
set crypt = CreateObject("Chilkat_9_5_0.Crypt2")
success = crypt.OpaqueVerifyBd(bdP7m)
If (success = 0) Then
    outFile.WriteLine(crypt.LastErrorText)
    WScript.Quit
End If

' The bdP7m now contains the Invoice XML.
' Load it into an XML object.
set xml = CreateObject("Chilkat_9_5_0.Xml")
success = xml.LoadBd(bdP7m,1)

outFile.WriteLine(xml.GetXml())

' 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

outFile.WriteLine("success.")

outFile.Close

 

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