EDIFACT - S/MIME Create, Sign, and Encrypt

Create an EDIFACT MIME message, signs it, and then encrypts.

CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    DECLARE @sTmp0 nvarchar(4000)
    DECLARE @mime int
    EXEC @hr = sp_OACreate 'Chilkat.Mime', @mime OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    DECLARE @success int

    EXEC sp_OAMethod @mime, 'UnlockComponent', @success OUT, 'Anything for 30-day trial.'
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @mime, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        RETURN
      END

    --  Assuming  you have an EDIFACT document loaded into
    --  a string variable, set the MIME body with it:
    DECLARE @ediBody nvarchar(4000)

    SELECT @ediBody = 'UNB+IATB:1+6XPPC+LHPPC+940101:0950+1'' ...'
    EXEC sp_OAMethod @mime, 'SetBodyFromPlainText', NULL, @ediBody

    --  The call to SetBodyFromPlainText automatically set the
    --  content-type to "text/plain".
    --  However, we want:  application/edifact;  name=om080923.edi
    EXEC sp_OASetProperty @mime, 'ContentType', 'application/edifact'
    EXEC sp_OASetProperty @mime, 'Name', 'om080923.edi'

    --  We want the content-disposition to be:
    --  Content-Disposition: attachment; filename="om080923.edi"
    EXEC sp_OASetProperty @mime, 'Disposition', 'attachment'
    EXEC sp_OASetProperty @mime, 'Filename', 'om080923.edi'

    --  Content-Transfer-Encoding: quoted-printable
    EXEC sp_OASetProperty @mime, 'Encoding', 'quoted-printable'

    --  Note: MIME header fields are case insensitive.

    --  Add a few other header fields:
    EXEC sp_OAMethod @mime, 'AddHeaderField', NULL, 'Message-ID', '<CHILKAT-MID-83cf2fbf-10cb-4322-ad79-4c1097fd56f2@Matt>'
    EXEC sp_OAMethod @mime, 'AddHeaderField', NULL, 'MIME-VERSION', '1.0'

    --  Display the complete non-signed, non-encrypted MIME:
    EXEC sp_OAMethod @mime, 'GetMime', @sTmp0 OUT
    PRINT @sTmp0

    PRINT '*********************************************'

    --  Sign the MIME using an opaque signature.
    --  (but first load a certificate)
    DECLARE @cert int
    EXEC @hr = sp_OACreate 'Chilkat.Cert', @cert OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    EXEC sp_OAMethod @cert, 'LoadByCommonName', @success OUT, 'Chilkat Software, Inc.'
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @cert, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        RETURN
      END

    EXEC sp_OAMethod @mime, 'ConvertToSigned', @success OUT, @cert
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @mime, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        RETURN
      END

    --  Perhaps the receiver is picky and wants the content-type to be "application/pkcs7-mime"
    --  instead of "application/x-pkcs7-mime".  In that case, simply set the content-type:
    EXEC sp_OASetProperty @mime, 'ContentType', 'applicaton/pkcs7-mime'

    --  Display the signed MIME:
    EXEC sp_OAMethod @mime, 'GetMime', @sTmp0 OUT
    PRINT @sTmp0

    PRINT '*********************************************'

    --  Now encrypt it.
    DECLARE @encryptCert int
    EXEC @hr = sp_OACreate 'Chilkat.Cert', @encryptCert OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    EXEC sp_OAMethod @encryptCert, 'LoadByCommonName', @success OUT, 'speedi speedi'
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @encryptCert, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        RETURN
      END

    EXEC sp_OAMethod @mime, 'Encrypt', @success OUT, @encryptCert
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @mime, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        RETURN
      END

    --  Again, if receiver is picky and wants the content-type to be "application/pkcs7-mime"
    --  instead of "application/x-pkcs7-mime".  In that case, simply set the content-type:
    EXEC sp_OASetProperty @mime, 'ContentType', 'applicaton/pkcs7-mime'

    --  Display the signed/encrypted MIME
    EXEC sp_OAMethod @mime, 'GetMime', @sTmp0 OUT
    PRINT @sTmp0

    PRINT '*********************************************'

    --  Save the MIME to a file:
    EXEC sp_OAMethod @mime, 'SaveMime', @success OUT, 'edifact_smime.txt'
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @mime, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        RETURN
      END

    PRINT 'Success!'
END
GO