PowerBuilder

Extract XML from FatturaPA .p7m

See more Digital Signatures Examples

Demonstrates how to verify the signature and extract the XML from a FatturaPA .p7m file. PowerBuilder

integer li_rc
integer li_Success
oleobject loo_Bd
oleobject loo_Crypt
integer li_BVerified
oleobject loo_Xml

li_Success = 0

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

loo_Bd = create oleobject
li_rc = loo_Bd.ConnectToNewObject("Chilkat.BinData")
if li_rc < 0 then
    destroy loo_Bd
    MessageBox("Error","Connecting to COM object failed")
    return
end if
li_Success = loo_Bd.LoadFile("qa_data/p7m/IT01879020517_abc.xml.p7m")
if li_Success <> 1 then
    Write-Debug "Failed to load the .p7m file"
    destroy loo_Bd
    return
end if

loo_Crypt = create oleobject
li_rc = loo_Crypt.ConnectToNewObject("Chilkat.Crypt2")

// Verify and extrct the payload contained within the .p7m.
// In this case, the payload is the FatturaPA XML.
// If successful, the resulting bd will contain only the XML.
li_BVerified = loo_Crypt.OpaqueVerifyBd(loo_Bd)
if li_BVerified <> 1 then
    Write-Debug loo_Crypt.LastErrorText
    Write-Debug "Failed to extract and verify."
    destroy loo_Bd
    destroy loo_Crypt
    return
end if

// Save the XML to a file.
loo_Bd.WriteFile("qa_output/zIT01879020517_abc.xml")

// Alternatively, load into an XML object and emit.
loo_Xml = create oleobject
li_rc = loo_Xml.ConnectToNewObject("Chilkat.Xml")

loo_Xml.LoadXml(loo_Bd.GetString("utf-8"))

Write-Debug loo_Xml.GetXml()


destroy loo_Bd
destroy loo_Crypt
destroy loo_Xml