(PHP ActiveX) Create sii.cl Factura Electrónica (Chile Servicio de Impuestos Internos)

Demonstrates how to sign an XML invoice according to Chilean Internal Revenue Service regulations.

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows Note: The php_com_dotnet.dll may need to be enabled inside of php.ini.

<?php

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

// See: Apply 2nd Signature to sii.cl Factura Electr�nica (Chile Servicio de Impuestos Internos)
// for an example showing how to apply a 2nd signature.

// We want to sign XML that looks like the following:

// <?xml version="1.0" encoding="iso-8859-1"?>
// <DTE version="1.0" xmlns="http://www.sii.cl/SiiDte">
//     <Documento ID="F13T34">
//         <Encabezado>
//             <IdDoc>
//                 <TipoDTE>34</TipoDTE>
//                 <Folio>13</Folio>
//                 <FchEmis>2020-07-17</FchEmis>
//                 <FmaPago>1</FmaPago>
//                 <FchVenc>2020-07-17</FchVenc>
//             </IdDoc>
//             <Emisor>
//                 <RUTEmisor>...</RUTEmisor>
//                 <RznSoc>...</RznSoc>
//                 <GiroEmis>...</GiroEmis>
//                 <Acteco>...</Acteco>
//                 <DirOrigen>...</DirOrigen>
//                 <CmnaOrigen>...</CmnaOrigen>
//                 <CiudadOrigen>...</CiudadOrigen>
//             </Emisor>
//             <Receptor>
//                 <RUTRecep>...</RUTRecep>
//                 <RznSocRecep>...</RznSocRecep>
//                 <GiroRecep>...</GiroRecep>
//                 <Contacto/>
//                 <DirRecep>...</DirRecep>
//                 <CmnaRecep>...</CmnaRecep>
//                 <CiudadRecep>...</CiudadRecep>
//             </Receptor>
//             <Totales>
//                 <MntExe>14999</MntExe>
//                 <MntTotal>14999</MntTotal>
//             </Totales>
//         </Encabezado>
//         <Detalle>
//             <NroLinDet>1</NroLinDet>
//             <CdgItem>
//                 <TpoCodigo>INT</TpoCodigo>
//                 <VlrCodigo>1</VlrCodigo>
//             </CdgItem>
//             <NmbItem>Atenci�n profesional mes de Junio 2020</NmbItem>
//             <QtyItem>1</QtyItem>
//             <UnmdItem>UNI</UnmdItem>
//             <PrcItem>14999</PrcItem>
//             <MontoItem>14999</MontoItem>
//         </Detalle>
//         <TED version="1.0">
//             <DD>
//                 <RE>99972220-K</RE>
//                 <TD>34</TD>
//                 <F>13</F>
//                 <FE>2020-07-17</FE>
//                 <RR>99942999-2</RR>
//                 <RSR>...</RSR>
//                 <MNT>14999</MNT>
//                 <IT1>Atencion profesional mes de Junio 2020</IT1>
//                 <CAF version="1.0">
//                     <DA>
//                         <RE>99972220-K</RE>
//                         <RS>...</RS>
//                         <TD>34</TD>
//                         <RNG>
//                             <D>3</D>
//                             <H>12</H>
//                         </RNG>
//                         <FA>2019-10-10</FA>
//                         <RSAPK>
//                             <M>2zHVYpcVNQRvS2yFuqdrh...TEQZx/m0t9HVTgWKZvlc6LSQ==</M>
//                             <E>Aw==</E>
//                         </RSAPK>
//                         <IDK>300</IDK>
//                     </DA>
//                     <FRMA algoritmo="SHA1withRSA">LaVkjISGu...sBtsQL1jR9lw==</FRMA>
//                 </CAF>
//                 <TSTED>2020-07-17T13:19:10</TSTED>
//             </DD>
//             <FRMT algoritmo="SHA1withRSA">LxZr6zmXRZIfTz7...IXS6sp4vfz2fIsA==</FRMT>
//         </TED>
//         <TmstFirma>2020-07-17T13:19:10</TmstFirma>
//     </Documento>
// </DTE>

$success = 1;

// For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.XmlDSigGen')
$gen = new COM("Chilkat.XmlDSigGen");

$gen->SigLocation = 'DTE';
$gen->SigLocationMod = 0;
$gen->SigNamespacePrefix = '';
$gen->SigNamespaceUri = 'http://www.w3.org/2000/09/xmldsig#';
$gen->SignedInfoCanonAlg = 'C14N';
$gen->SignedInfoDigestMethod = 'sha1';

// -------- Reference 1 --------
$gen->AddSameDocRef('F13T34','sha1','','','');

// Provide a certificate + private key. (PFX password is test123)
// For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.Cert')
$cert = new COM("Chilkat.Cert");
$success = $cert->LoadPfxFile('qa_data/pfx/cert_test123.pfx','test123');
if ($success != 1) {
    print $cert->LastErrorText . "\n";
    exit;
}

$gen->SetX509Cert($cert,1);

$gen->KeyInfoType = 'X509Data+KeyValue';
$gen->X509Type = 'Certificate';

// Load XML to be signed...
// For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.StringBuilder')
$sbXml = new COM("Chilkat.StringBuilder");
$success = $sbXml->LoadFile('qa_data/xml_dsig/sii_cl/xmlToSign.xml','iso-8859-1');
if ($success == 0) {
    print 'Failed to load XML file.' . "\n";
    exit;
}

$gen->Behaviors = 'IndentedSignature';

// Sign the XML...
$success = $gen->CreateXmlDSigSb($sbXml);
if ($success != 1) {
    print $gen->LastErrorText . "\n";
    exit;
}

// -----------------------------------------------

// Save the signed XML to a file.
$success = $sbXml->WriteFile('qa_data/xml_dsig/sii_cl/signed1.xml','iso-8859-1',0);

print $sbXml->getAsString() . "\n";

// ----------------------------------------
// Verify the signatures we just produced...
// For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.XmlDSig')
$verifier = new COM("Chilkat.XmlDSig");
$success = $verifier->LoadSignatureSb($sbXml);
if ($success != 1) {
    print $verifier->LastErrorText . "\n";
    exit;
}

$numSigs = $verifier->NumSignatures;
$verifyIdx = 0;
while ($verifyIdx < $numSigs) {
    $verifier->Selector = $verifyIdx;
    $verified = $verifier->VerifySignature(1);
    if ($verified != 1) {
        print $verifier->LastErrorText . "\n";
        exit;
    }

    $verifyIdx = $verifyIdx + 1;
}

print 'All signatures were successfully verified.' . "\n";

?>