(Perl) Sign SOAP XML for New Zealand Customs Service

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Demonstrates how to create an XAdES signed SOAP XML pertaining to the New Zealand Customs Service.

Note: This example requires Chilkat v9.5.0.96 or later.

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use chilkat();

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

$success = 1;

# Create the following XML to be signed:

# <soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/"
#     xmlns:v1="http://customs.govt.nz/jbms/msggate/reqresp/v1">
#     <soapenv:Header>
#         <wsse:Security soapenv:mustUnderstand="1"
#             xmlns:wsse="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd"
#             xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd">
#             <wsu:Timestamp wsu:Id="TS-037E78514E9B9132CB16817563559151">
#                 <wsu:Created>2023-04-17T18:32:35.913Z</wsu:Created>
#                 <wsu:Expires>2023-04-17T19:32:35.913Z</wsu:Expires>
#             </wsu:Timestamp>
#         </wsse:Security>
#     </soapenv:Header>
#     <soapenv:Body wsu:Id="id-8"
#         xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd">
#         <v1:RequestResponse>
#             <v1:Submitter>TEST1234</v1:Submitter>
#             <v1:MailboxMsgId>999999</v1:MailboxMsgId>
#         </v1:RequestResponse>
#     </soapenv:Body>
# </soapenv:Envelope>

# Create a random ID like this: TS-037E78514E9B9132CB16817563559151
$tsId = chilkat::CkStringBuilder->new();
$tsId->Append("TS-");
$tsId->AppendRandom(16,"hex");

# STR-037E78514E9B9132CB16817563559614
$strId = chilkat::CkStringBuilder->new();
$strId->Append("STR-");
$strId->AppendRandom(16,"hex");

# KI-037E78514E9B9132CB16817563559583
$keyInfoId = chilkat::CkStringBuilder->new();
$keyInfoId->Append("KI-");
$keyInfoId->AppendRandom(16,"hex");

# Create a date/time for the current time with this format:  2023-04-17T18:32:35.913Z
$dt = chilkat::CkDateTime->new();
$dt->SetFromCurrentSystemTime();

$sbNow = chilkat::CkStringBuilder->new();
$sbNow->Append($dt->getAsTimestamp(0));
# If we really need the milliseconds, we can replace the "Z" with ".000Z"
# The server will also likely accept a timestamp without milliseconds, such as 2023-04-17T18:32:35Z
$n = $sbNow->Replace("Z",".000Z");

$sbNowPlusOneHour = chilkat::CkStringBuilder->new();
$dt->AddSeconds(3600);
$sbNowPlusOneHour->Append($dt->getAsTimestamp(0));
$n = $sbNowPlusOneHour->Replace("Z",".000Z");

$xmlToSign = chilkat::CkXml->new();
$xmlToSign->put_Tag("soapenv:Envelope");
$xmlToSign->AddAttribute("xmlns:soapenv","http://schemas.xmlsoap.org/soap/envelope/");
$xmlToSign->AddAttribute("xmlns:v1","http://customs.govt.nz/jbms/msggate/reqresp/v1");
$xmlToSign->UpdateAttrAt("soapenv:Header|wsse:Security",1,"soapenv:mustUnderstand","1");
$xmlToSign->UpdateAttrAt("soapenv:Header|wsse:Security",1,"xmlns:wsse","http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd");
$xmlToSign->UpdateAttrAt("soapenv:Header|wsse:Security",1,"xmlns:wsu","http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd");
$xmlToSign->UpdateAttrAt("soapenv:Header|wsse:Security|wsu:Timestamp",1,"wsu:Id",$tsId->getAsString());
$xmlToSign->UpdateChildContent("soapenv:Header|wsse:Security|wsu:Timestamp|wsu:Created",$sbNow->getAsString());
$xmlToSign->UpdateChildContent("soapenv:Header|wsse:Security|wsu:Timestamp|wsu:Expires",$sbNowPlusOneHour->getAsString());
$xmlToSign->UpdateAttrAt("soapenv:Body",1,"wsu:Id","id-8");
$xmlToSign->UpdateAttrAt("soapenv:Body",1,"xmlns:wsu","http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd");
$xmlToSign->UpdateChildContent("soapenv:Body|v1:RequestResponse|v1:Submitter","TEST1234");
$xmlToSign->UpdateChildContent("soapenv:Body|v1:RequestResponse|v1:MailboxMsgId","999999");

$gen = chilkat::CkXmlDSigGen->new();

$gen->put_SigLocation("soapenv:Envelope|soapenv:Header|wsse:Security");
$gen->put_SigLocationMod(0);
$gen->put_SigId("SIG-037E78514E9B9132CB16817563559695");
$gen->put_SigNamespacePrefix("ds");
$gen->put_SigNamespaceUri("http://www.w3.org/2000/09/xmldsig#");
$gen->put_SignedInfoPrefixList("soapenv v1");
$gen->put_IncNamespacePrefix("ec");
$gen->put_IncNamespaceUri("http://www.w3.org/2001/10/xml-exc-c14n#");
$gen->put_SignedInfoCanonAlg("EXCL_C14N");
$gen->put_SignedInfoDigestMethod("sha256");

# Set the KeyInfoId before adding references..
$gen->put_KeyInfoId($keyInfoId->getAsString());

# -------- Reference 1 --------
$xml1 = chilkat::CkXml->new();
$xml1->put_Tag("ds:Transforms");
$xml1->UpdateAttrAt("ds:Transform",1,"Algorithm","http://www.w3.org/2001/10/xml-exc-c14n#");
$xml1->UpdateAttrAt("ds:Transform|ec:InclusiveNamespaces",1,"PrefixList","wsse soapenv v1");
$xml1->UpdateAttrAt("ds:Transform|ec:InclusiveNamespaces",1,"xmlns:ec","http://www.w3.org/2001/10/xml-exc-c14n#");

$gen->AddSameDocRef2($tsId->getAsString(),"sha256",$xml1,"");

# -------- Reference 2 --------
$xml2 = chilkat::CkXml->new();
$xml2->put_Tag("ds:Transforms");
$xml2->UpdateAttrAt("ds:Transform",1,"Algorithm","http://www.w3.org/2001/10/xml-exc-c14n#");
$xml2->UpdateAttrAt("ds:Transform|ec:InclusiveNamespaces",1,"PrefixList","v1");
$xml2->UpdateAttrAt("ds:Transform|ec:InclusiveNamespaces",1,"xmlns:ec","http://www.w3.org/2001/10/xml-exc-c14n#");

$gen->AddSameDocRef2("id-8","sha256",$xml2,"");

# 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 != 1) {
    print $cert->lastErrorText() . "\r\n";
    exit;
}

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

$gen->put_KeyInfoType("Custom");

# Create the custom KeyInfo XML..
$xmlCustomKeyInfo = chilkat::CkXml->new();
$xmlCustomKeyInfo->put_Tag("wsse:SecurityTokenReference");
$xmlCustomKeyInfo->AddAttribute("wsu:Id",$strId->getAsString());
$xmlCustomKeyInfo->UpdateAttrAt("wsse:KeyIdentifier",1,"EncodingType","http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-soap-message-security-1.0#Base64Binary");
$xmlCustomKeyInfo->UpdateAttrAt("wsse:KeyIdentifier",1,"ValueType","http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-x509-token-profile-1.0#X509v3");
# Insert the single-line base64 of the signing certificate's DER
$cert->put_UncommonOptions("Base64CertNoCRLF");
$xmlCustomKeyInfo->UpdateChildContent("wsse:KeyIdentifier",$cert->getEncoded());

$xmlCustomKeyInfo->put_EmitXmlDecl(0);
$gen->put_CustomKeyInfoXml($xmlCustomKeyInfo->getXml());

# Load XML to be signed...
$sbXml = chilkat::CkStringBuilder->new();
$xmlToSign->GetXmlSb($sbXml);

$gen->put_Behaviors("IndentedSignature");

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

# Save the signed XML to a file.
$success = $sbXml->WriteFile("c:/temp/qa_output/signedXml.xml","utf-8",0);

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