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

See more Email Object Examples

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

Chilkat SQL Server Downloads

SQL Server
-- Important: See this note about string length limitations for strings returned by sp_OAMethod calls.
--
CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    DECLARE @iTmp0 int
    DECLARE @iTmp1 int
    -- Important: Do not use nvarchar(max).  See the warning about using nvarchar(max).
    DECLARE @sTmp0 nvarchar(4000)
    DECLARE @success int
    SELECT @success = 0

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

    DECLARE @imap int
    EXEC @hr = sp_OACreate 'Chilkat.Imap', @imap OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    -- Connect using TLS.
    EXEC sp_OASetProperty @imap, 'Ssl', 1
    EXEC sp_OASetProperty @imap, 'Port', 993
    EXEC sp_OAMethod @imap, 'Connect', @success OUT, 'imap.example.com'
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @imap, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @imap
        RETURN
      END

    -- Authenticate
    EXEC sp_OAMethod @imap, 'Login', @success OUT, 'email_account_login', 'email_account_password'
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @imap, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @imap
        RETURN
      END

    -- Select an IMAP mailbox
    EXEC sp_OAMethod @imap, 'SelectMailbox', @success OUT, 'Inbox/postacert'
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @imap, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @imap
        RETURN
      END

    -- Search for messages having "POSTA CERTIFICATA: Invio File" in the subject.
    DECLARE @fetchUids int
    SELECT @fetchUids = 1
    DECLARE @messageSet int
    EXEC @hr = sp_OACreate 'Chilkat.MessageSet', @messageSet OUT

    EXEC sp_OAMethod @imap, 'QueryMbx', @success OUT, 'SUBJECT "POSTA CERTIFICATA: Invio File"', @fetchUids, @messageSet
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @imap, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @imap
        EXEC @hr = sp_OADestroy @messageSet
        RETURN
      END

    EXEC sp_OAGetProperty @messageSet, 'Count', @iTmp0 OUT
    IF @iTmp0 < 1
      BEGIN

        PRINT 'No messages found.'
        EXEC @hr = sp_OADestroy @imap
        EXEC @hr = sp_OADestroy @messageSet
        RETURN
      END
    -- For our example, we'll process only the 1st email in the messageSet.
    -- Download the MIME source of the email into a StringBuilder object.
    DECLARE @email int
    EXEC @hr = sp_OACreate 'Chilkat.Email', @email OUT

    EXEC sp_OAMethod @messageSet, 'GetId', @iTmp0 OUT, 0
    EXEC sp_OAGetProperty @messageSet, 'HasUids', @iTmp1 OUT
    EXEC sp_OAMethod @imap, 'FetchEmail', @success OUT, 0, @iTmp0, @iTmp1, @email
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @imap, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @imap
        EXEC @hr = sp_OADestroy @messageSet
        EXEC @hr = sp_OADestroy @email
        RETURN
      END

    -- The email should contain an attached email.
    -- The Invoice XML is contained within the attached email.
    DECLARE @attachedEmail int
    EXEC @hr = sp_OACreate 'Chilkat.Email', @attachedEmail OUT

    EXEC sp_OAMethod @email, 'GetAttachedEmail', @success OUT, 0, @attachedEmail
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @email, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @imap
        EXEC @hr = sp_OADestroy @messageSet
        EXEC @hr = sp_OADestroy @email
        EXEC @hr = sp_OADestroy @attachedEmail
        RETURN
      END

    -- Get the MIME of the attached email..
    DECLARE @sbMime int
    EXEC @hr = sp_OACreate 'Chilkat.StringBuilder', @sbMime OUT

    EXEC sp_OAMethod @attachedEmail, 'GetMimeSb', @success OUT, @sbMime

    -- Load it into a Chilkat MIME object.
    DECLARE @mime int
    EXEC @hr = sp_OACreate 'Chilkat.Mime', @mime OUT

    EXEC sp_OAMethod @mime, 'LoadMimeSb', @success OUT, @sbMime

    -- Examine the structure of the MIME.
    EXEC sp_OAMethod @mime, 'GetStructure', @sTmp0 OUT, 'text'
    PRINT @sTmp0

    -- 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
    DECLARE @bdP7m int
    EXEC @hr = sp_OACreate 'Chilkat.BinData', @bdP7m OUT

    -- Get the 2nd sub-part, at index 1 because index 0 is the 1st sub-part.

    DECLARE @mimeP7m int
    EXEC @hr = sp_OACreate 'Chilkat.Mime', @mimeP7m OUT

    EXEC sp_OAMethod @mime, 'PartAt', @success OUT, 1, @mimeP7m
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @mime, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @imap
        EXEC @hr = sp_OADestroy @messageSet
        EXEC @hr = sp_OADestroy @email
        EXEC @hr = sp_OADestroy @attachedEmail
        EXEC @hr = sp_OADestroy @sbMime
        EXEC @hr = sp_OADestroy @mime
        EXEC @hr = sp_OADestroy @bdP7m
        EXEC @hr = sp_OADestroy @mimeP7m
        RETURN
      END

    EXEC sp_OAGetProperty @mime, 'LastMethodSuccess', @iTmp0 OUT
    IF @iTmp0 <> 1
      BEGIN

        PRINT 'Failed to get 2nd sub-part. Perhaps the MIME does not have a 2nd sub-part?'
        EXEC @hr = sp_OADestroy @imap
        EXEC @hr = sp_OADestroy @messageSet
        EXEC @hr = sp_OADestroy @email
        EXEC @hr = sp_OADestroy @attachedEmail
        EXEC @hr = sp_OADestroy @sbMime
        EXEC @hr = sp_OADestroy @mime
        EXEC @hr = sp_OADestroy @bdP7m
        EXEC @hr = sp_OADestroy @mimeP7m
        RETURN
      END
    EXEC sp_OAMethod @mimeP7m, 'GetBodyBd', @success OUT, @bdP7m

    -- Verify the signature, which also extracts the content contained within the opaque signature.
    DECLARE @crypt int
    EXEC @hr = sp_OACreate 'Chilkat.Crypt2', @crypt OUT

    EXEC sp_OAMethod @crypt, 'OpaqueVerifyBd', @success OUT, @bdP7m
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @crypt, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @imap
        EXEC @hr = sp_OADestroy @messageSet
        EXEC @hr = sp_OADestroy @email
        EXEC @hr = sp_OADestroy @attachedEmail
        EXEC @hr = sp_OADestroy @sbMime
        EXEC @hr = sp_OADestroy @mime
        EXEC @hr = sp_OADestroy @bdP7m
        EXEC @hr = sp_OADestroy @mimeP7m
        EXEC @hr = sp_OADestroy @crypt
        RETURN
      END

    -- The bdP7m now contains the Invoice XML.
    -- Load it into an XML object.
    DECLARE @xml int
    EXEC @hr = sp_OACreate 'Chilkat.Xml', @xml OUT

    EXEC sp_OAMethod @xml, 'LoadBd', @success OUT, @bdP7m, 1

    EXEC sp_OAMethod @xml, 'GetXml', @sTmp0 OUT
    PRINT @sTmp0

    -- 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


    PRINT 'success.'

    EXEC @hr = sp_OADestroy @imap
    EXEC @hr = sp_OADestroy @messageSet
    EXEC @hr = sp_OADestroy @email
    EXEC @hr = sp_OADestroy @attachedEmail
    EXEC @hr = sp_OADestroy @sbMime
    EXEC @hr = sp_OADestroy @mime
    EXEC @hr = sp_OADestroy @bdP7m
    EXEC @hr = sp_OADestroy @mimeP7m
    EXEC @hr = sp_OADestroy @crypt
    EXEC @hr = sp_OADestroy @xml


END
GO