(Ruby) 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 Ruby Downloads install from rubygems.org gem install chilkat or download... Ruby Library for Windows, MacOS, Linux, Alpine Linux

require 'chilkat'

# 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 = true

gen = Chilkat::CkXmlDSigGen.new()

gen.put_SigLocation("DTE")
gen.put_SigLocationMod(0)
gen.put_SigNamespacePrefix("")
gen.put_SigNamespaceUri("http://www.w3.org/2000/09/xmldsig#")
gen.put_SignedInfoCanonAlg("C14N")
gen.put_SignedInfoDigestMethod("sha1")

# -------- Reference 1 --------
gen.AddSameDocRef("F13T34","sha1","","","")

# Provide a certificate + private key. (PFX password is test123)
cert = Chilkat::CkCert.new()
success = cert.LoadPfxFile("qa_data/pfx/cert_test123.pfx","test123")
if (success != true)
    print cert.lastErrorText() + "\n";
    exit
end

gen.SetX509Cert(cert,true)

gen.put_KeyInfoType("X509Data+KeyValue")
gen.put_X509Type("Certificate")

# Load XML to be signed...
sbXml = Chilkat::CkStringBuilder.new()
success = sbXml.LoadFile("qa_data/xml_dsig/sii_cl/xmlToSign.xml","iso-8859-1")
if (success == false)
    print "Failed to load XML file." + "\n";
    exit
end

gen.put_Behaviors("IndentedSignature")

# Sign the XML...
success = gen.CreateXmlDSigSb(sbXml)
if (success != true)
    print gen.lastErrorText() + "\n";
    exit
end

# -----------------------------------------------

# Save the signed XML to a file.
success = sbXml.WriteFile("qa_data/xml_dsig/sii_cl/signed1.xml","iso-8859-1",false)

print sbXml.getAsString() + "\n";

# ----------------------------------------
# Verify the signatures we just produced...
verifier = Chilkat::CkXmlDSig.new()
success = verifier.LoadSignatureSb(sbXml)
if (success != true)
    print verifier.lastErrorText() + "\n";
    exit
end

numSigs = verifier.get_NumSignatures()
verifyIdx = 0
while verifyIdx < numSigs
    verifier.put_Selector(verifyIdx)
    verified = verifier.VerifySignature(true)
    if (verified != true)
        print verifier.lastErrorText() + "\n";
        exit
    end

    verifyIdx = verifyIdx + 1
end
print "All signatures were successfully verified." + "\n";