PHP

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. Chilkat2 PHP

<?php

use Chilkat2\BinData;
use Chilkat2\Crypt2;
use Chilkat2\Xml;

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

$bd = new BinData();
try {
    $bd->LoadFile('qa_data/p7m/IT01879020517_abc.xml.p7m');
} catch (\Chilkat2\Exception $e) {
    echo "Failed to load the .p7m file\n";
    exit;
}

$crypt = new 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.
try {
    $crypt->OpaqueVerifyBd($bd);
} catch (\Chilkat2\Exception $e) {
    echo $e->getMessage(), "\n";
    echo "Failed to extract and verify.\n";
    exit;
}

// Save the XML to a file.
$bd->WriteFile('qa_output/zIT01879020517_abc.xml');

// Alternatively, load into an XML object and emit.
$xml = new Xml();
$xml->LoadXml($bd->GetString('utf-8'));

echo $xml->GetXml(), "\n";