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(PowerBuilder) Sign XML for Zakat, Tax and Customs Authority (ZATCA)See more ZATCA ExamplesDemonstrates how to sign XML for Zakat, Tax and Customs Authority (ZATCA).
integer li_rc integer li_Success oleobject loo_SbXml oleobject loo_Gen oleobject loo_Object1 oleobject loo_Xml1 oleobject loo_CertFromPfx oleobject loo_Cert oleobject loo_PrivKey oleobject loo_Verifier integer li_NumSigs integer li_VerifyIdx integer li_Verified // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. li_Success = 1 // Load XML to be signed... loo_SbXml = create oleobject li_rc = loo_SbXml.ConnectToNewObject("Chilkat_9_5_0.StringBuilder") if li_rc < 0 then destroy loo_SbXml MessageBox("Error","Connecting to COM object failed") return end if li_Success = loo_SbXml.LoadFile("qa_data/xml_dsig_valid_samples/UBL_Saudi_ZATCA_Zakat_Tax_and_Customs_Authority_toBeSigned.xml","utf-8") if li_Success = 0 then Write-Debug "Failed to load XML file to be signed." destroy loo_SbXml return end if // Loads XML containing the following (with data modified from the original sample). // <?xml version="1.0" encoding="UTF-8"?> // <Invoice xmlns="urn:oasis:names:specification:ubl:schema:xsd:Invoice-2" xmlns:cac="urn:oasis:names:specification:ubl:schema:xsd:CommonAggregateComponents-2" xmlns:cbc="urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2" xmlns:ext="urn:oasis:names:specification:ubl:schema:xsd:CommonExtensionComponents-2"><ext:UBLExtensions> // <ext:UBLExtension> // <ext:ExtensionURI>urn:oasis:names:specification:ubl:dsig:enveloped:xades</ext:ExtensionURI> // <ext:ExtensionContent> // <sig:UBLDocumentSignatures xmlns:sig="urn:oasis:names:specification:ubl:schema:xsd:CommonSignatureComponents-2" xmlns:sac="urn:oasis:names:specification:ubl:schema:xsd:SignatureAggregateComponents-2" xmlns:sbc="urn:oasis:names:specification:ubl:schema:xsd:SignatureBasicComponents-2"> // <sac:SignatureInformation> // <cbc:ID>urn:oasis:names:specification:ubl:signature:1</cbc:ID> // <sbc:ReferencedSignatureID>urn:oasis:names:specification:ubl:signature:Invoice</sbc:ReferencedSignatureID> // // </sac:SignatureInformation> // </sig:UBLDocumentSignatures> // </ext:ExtensionContent> // </ext:UBLExtension> // </ext:UBLExtensions> // // <cbc:ProfileID>reporting:1.0</cbc:ProfileID> // <cbc:ID>100</cbc:ID> // <cbc:UUID>3cf5ee18-ee25-44ea-a444-2c37ba7f28be</cbc:UUID> // <cbc:IssueDate>2021-04-25</cbc:IssueDate> // <cbc:IssueTime>15:30:00</cbc:IssueTime> // <cbc:InvoiceTypeCode name="0100000">388</cbc:InvoiceTypeCode> // <cbc:DocumentCurrencyCode>SAR</cbc:DocumentCurrencyCode> // <cbc:TaxCurrencyCode>SAR</cbc:TaxCurrencyCode> // <cbc:LineCountNumeric>2</cbc:LineCountNumeric> // <cac:AdditionalDocumentReference> // <cbc:ID>ICV</cbc:ID> // <cbc:UUID>46531</cbc:UUID> // </cac:AdditionalDocumentReference> // <cac:AdditionalDocumentReference> // <cbc:ID>PIH</cbc:ID> // <cac:Attachment> // <cbc:EmbeddedDocumentBinaryObject mimeCode="text/plain">NWZl......NTdlOQ==</cbc:EmbeddedDocumentBinaryObject> // </cac:Attachment> // </cac:AdditionalDocumentReference> // // // <cac:AdditionalDocumentReference> // <cbc:ID>QR</cbc:ID> // <cac:Attachment> // <cbc:EmbeddedDocumentBinaryObject mimeCode="text/plain">ARlBbC........FAau5g</cbc:EmbeddedDocumentBinaryObject> // </cac:Attachment> // </cac:AdditionalDocumentReference><cac:Signature> // <cbc:ID>urn:oasis:names:specification:ubl:signature:Invoice</cbc:ID> // <cbc:SignatureMethod>urn:oasis:names:specification:ubl:dsig:enveloped:xades</cbc:SignatureMethod> // </cac:Signature><cac:AccountingSupplierParty> // <cac:Party> // <cac:PartyIdentification> // <cbc:ID schemeID="MLS">123457890</cbc:ID> // </cac:PartyIdentification> // <cac:PostalAddress> // <cbc:StreetName>King Abdulaziz Road</cbc:StreetName> // <cbc:BuildingNumber>9999</cbc:BuildingNumber> // <cbc:PlotIdentification>9999</cbc:PlotIdentification> // <cbc:CitySubdivisionName>Al Amal</cbc:CitySubdivisionName> // <cbc:CityName>Riyadh</cbc:CityName> // <cbc:PostalZone>12643</cbc:PostalZone> // <cbc:CountrySubentity>Riyadh Region</cbc:CountrySubentity> // <cac:Country> // <cbc:IdentificationCode>SA</cbc:IdentificationCode> // </cac:Country> // </cac:PostalAddress> // <cac:PartyTaxScheme> // <cbc:CompanyID>300099999900003</cbc:CompanyID> // <cac:TaxScheme> // <cbc:ID>VAT</cbc:ID> // </cac:TaxScheme> // </cac:PartyTaxScheme> // <cac:PartyLegalEntity> // <cbc:RegistrationName>Example Co. LTD</cbc:RegistrationName> // </cac:PartyLegalEntity> // </cac:Party> // </cac:AccountingSupplierParty> // <cac:AccountingCustomerParty> // <cac:Party> // <cac:PartyIdentification> // <cbc:ID schemeID="SAG">123C12345678</cbc:ID> // </cac:PartyIdentification> // <cac:PostalAddress> // <cbc:StreetName>King Abdullah Road</cbc:StreetName> // <cbc:BuildingNumber>9999</cbc:BuildingNumber> // <cbc:PlotIdentification>9999</cbc:PlotIdentification> // <cbc:CitySubdivisionName>Al Mursalat</cbc:CitySubdivisionName> // <cbc:CityName>Riyadh</cbc:CityName> // <cbc:PostalZone>11564</cbc:PostalZone> // <cbc:CountrySubentity>Riyadh Region</cbc:CountrySubentity> // <cac:Country> // <cbc:IdentificationCode>SA</cbc:IdentificationCode> // </cac:Country> // </cac:PostalAddress> // <cac:PartyTaxScheme> // <cac:TaxScheme> // <cbc:ID>VAT</cbc:ID> // </cac:TaxScheme> // </cac:PartyTaxScheme> // <cac:PartyLegalEntity> // <cbc:RegistrationName>EXAMPLE MARKETS</cbc:RegistrationName> // </cac:PartyLegalEntity> // </cac:Party> // </cac:AccountingCustomerParty> // <cac:Delivery> // <cbc:ActualDeliveryDate>2022-04-25</cbc:ActualDeliveryDate> // </cac:Delivery> // <cac:PaymentMeans> // <cbc:PaymentMeansCode>42</cbc:PaymentMeansCode> // </cac:PaymentMeans> // <cac:TaxTotal> // <cbc:TaxAmount currencyID="SAR">135.00</cbc:TaxAmount> // <cac:TaxSubtotal> // <cbc:TaxableAmount currencyID="SAR">900.00</cbc:TaxableAmount> // <cbc:TaxAmount currencyID="SAR">135.00</cbc:TaxAmount> // <cac:TaxCategory> // <cbc:ID>S</cbc:ID> // <cbc:Percent>15</cbc:Percent> // <cac:TaxScheme> // <cbc:ID>VAT</cbc:ID> // </cac:TaxScheme> // </cac:TaxCategory> // </cac:TaxSubtotal> // </cac:TaxTotal> // <cac:TaxTotal> // <cbc:TaxAmount currencyID="SAR">135.00</cbc:TaxAmount> // </cac:TaxTotal> // <cac:LegalMonetaryTotal> // <cbc:LineExtensionAmount currencyID="SAR">900.00</cbc:LineExtensionAmount> // <cbc:TaxExclusiveAmount currencyID="SAR">900.00</cbc:TaxExclusiveAmount> // <cbc:TaxInclusiveAmount currencyID="SAR">1035.00</cbc:TaxInclusiveAmount> // <cbc:AllowanceTotalAmount currencyID="SAR">0.00</cbc:AllowanceTotalAmount> // <cbc:PayableAmount currencyID="SAR">1035.00</cbc:PayableAmount> // </cac:LegalMonetaryTotal> // <cac:InvoiceLine> // <cbc:ID>1</cbc:ID> // <cbc:InvoicedQuantity unitCode="PCE">1</cbc:InvoicedQuantity> // <cbc:LineExtensionAmount currencyID="SAR">200.00</cbc:LineExtensionAmount> // <cac:TaxTotal> // <cbc:TaxAmount currencyID="SAR">30.00</cbc:TaxAmount> // <cbc:RoundingAmount currencyID="SAR">230.00</cbc:RoundingAmount> // </cac:TaxTotal> // <cac:Item> // <cbc:Name>Item A</cbc:Name> // <cac:ClassifiedTaxCategory> // <cbc:ID>S</cbc:ID> // <cbc:Percent>15</cbc:Percent> // <cac:TaxScheme> // <cbc:ID>VAT</cbc:ID> // </cac:TaxScheme> // </cac:ClassifiedTaxCategory> // </cac:Item> // <cac:Price> // <cbc:PriceAmount currencyID="SAR">200.00</cbc:PriceAmount> // </cac:Price> // </cac:InvoiceLine> // <cac:InvoiceLine> // <cbc:ID>2</cbc:ID> // <cbc:InvoicedQuantity unitCode="PCE">2</cbc:InvoicedQuantity> // <cbc:LineExtensionAmount currencyID="SAR">700.00</cbc:LineExtensionAmount> // <cac:TaxTotal> // <cbc:TaxAmount currencyID="SAR">105.00</cbc:TaxAmount> // <cbc:RoundingAmount currencyID="SAR">805.00</cbc:RoundingAmount> // </cac:TaxTotal> // <cac:Item> // <cbc:Name>Item B</cbc:Name> // <cac:ClassifiedTaxCategory> // <cbc:ID>S</cbc:ID> // <cbc:Percent>15</cbc:Percent> // <cac:TaxScheme> // <cbc:ID>VAT</cbc:ID> // </cac:TaxScheme> // </cac:ClassifiedTaxCategory> // </cac:Item> // <cac:Price> // <cbc:PriceAmount currencyID="SAR">350.00</cbc:PriceAmount> // </cac:Price> // </cac:InvoiceLine> // </Invoice> loo_Gen = create oleobject li_rc = loo_Gen.ConnectToNewObject("Chilkat_9_5_0.XmlDSigGen") loo_Gen.SigLocation = "Invoice|ext:UBLExtensions|ext:UBLExtension|ext:ExtensionContent|sig:UBLDocumentSignatures|sac:SignatureInformation" loo_Gen.SigLocationMod = 0 loo_Gen.SigId = "signature" loo_Gen.SigNamespacePrefix = "ds" loo_Gen.SigNamespaceUri = "http://www.w3.org/2000/09/xmldsig#" loo_Gen.SignedInfoCanonAlg = "C14N_11" loo_Gen.SignedInfoDigestMethod = "sha256" // Create an Object to be added to the Signature. loo_Object1 = create oleobject li_rc = loo_Object1.ConnectToNewObject("Chilkat_9_5_0.Xml") loo_Object1.Tag = "xades:QualifyingProperties" loo_Object1.AddAttribute("xmlns:xades","http://uri.etsi.org/01903/v1.3.2#") loo_Object1.AddAttribute("Target","signature") loo_Object1.UpdateAttrAt("xades:SignedProperties",1,"Id","xadesSignedProperties") loo_Object1.UpdateChildContent("xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningTime","TO BE GENERATED BY CHILKAT") loo_Object1.UpdateAttrAt("xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificate|xades:Cert|xades:CertDigest|ds:DigestMethod",1,"Algorithm","http://www.w3.org/2001/04/xmlenc#sha256") loo_Object1.UpdateChildContent("xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificate|xades:Cert|xades:CertDigest|ds:DigestValue","TO BE GENERATED BY CHILKAT") loo_Object1.UpdateChildContent("xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificate|xades:Cert|xades:IssuerSerial|ds:X509IssuerName","TO BE GENERATED BY CHILKAT") loo_Object1.UpdateChildContent("xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificate|xades:Cert|xades:IssuerSerial|ds:X509SerialNumber","TO BE GENERATED BY CHILKAT") loo_Gen.AddObject("",loo_Object1.GetXml(),"","") // -------- Reference 1 -------- loo_Xml1 = create oleobject li_rc = loo_Xml1.ConnectToNewObject("Chilkat_9_5_0.Xml") loo_Xml1.Tag = "ds:Transforms" loo_Xml1.UpdateAttrAt("ds:Transform",1,"Algorithm","http://www.w3.org/TR/1999/REC-xpath-19991116") loo_Xml1.UpdateChildContent("ds:Transform|ds:XPath","not(//ancestor-or-self::ext:UBLExtensions)") loo_Xml1.UpdateAttrAt("ds:Transform[1]",1,"Algorithm","http://www.w3.org/TR/1999/REC-xpath-19991116") loo_Xml1.UpdateChildContent("ds:Transform[1]|ds:XPath","not(//ancestor-or-self::cac:Signature)") loo_Xml1.UpdateAttrAt("ds:Transform[2]",1,"Algorithm","http://www.w3.org/TR/1999/REC-xpath-19991116") loo_Xml1.UpdateChildContent("ds:Transform[2]|ds:XPath","not(//ancestor-or-self::cac:AdditionalDocumentReference[cbc:ID='QR'])") loo_Xml1.UpdateAttrAt("ds:Transform[3]",1,"Algorithm","http://www.w3.org/2006/12/xml-c14n11") loo_Gen.AddSameDocRef2("","sha256",loo_Xml1,"") loo_Gen.SetRefIdAttr("","invoiceSignedData") // -------- Reference 2 -------- loo_Gen.AddObjectRef("xadesSignedProperties","sha256","","","http://www.w3.org/2000/09/xmldsig#SignatureProperties") // Provide a certificate + private key. (PFX password is test123) loo_CertFromPfx = create oleobject li_rc = loo_CertFromPfx.ConnectToNewObject("Chilkat_9_5_0.Cert") li_Success = loo_CertFromPfx.LoadPfxFile("qa_data/pfx/cert_test123.pfx","test123") if li_Success <> 1 then Write-Debug loo_CertFromPfx.LastErrorText destroy loo_SbXml destroy loo_Gen destroy loo_Object1 destroy loo_Xml1 destroy loo_CertFromPfx return end if // Alternatively, if your certificate and private key are in separate PEM files, do this: loo_Cert = create oleobject li_rc = loo_Cert.ConnectToNewObject("Chilkat_9_5_0.Cert") li_Success = loo_Cert.LoadFromFile("qa_data/zatca/cert.pem") if li_Success <> 1 then Write-Debug loo_Cert.LastErrorText destroy loo_SbXml destroy loo_Gen destroy loo_Object1 destroy loo_Xml1 destroy loo_CertFromPfx destroy loo_Cert return end if Write-Debug loo_Cert.SubjectCN // Load the private key. loo_PrivKey = create oleobject li_rc = loo_PrivKey.ConnectToNewObject("Chilkat_9_5_0.PrivateKey") li_Success = loo_PrivKey.LoadPemFile("qa_data/zatca/ec-secp256k1-priv-key.pem") if li_Success <> 1 then Write-Debug loo_PrivKey.LastErrorText destroy loo_SbXml destroy loo_Gen destroy loo_Object1 destroy loo_Xml1 destroy loo_CertFromPfx destroy loo_Cert destroy loo_PrivKey return end if Write-Debug "Key Type: " + loo_PrivKey.KeyType // Associate the private key with the certificate. li_Success = loo_Cert.SetPrivateKey(loo_PrivKey) if li_Success <> 1 then Write-Debug loo_Cert.LastErrorText destroy loo_SbXml destroy loo_Gen destroy loo_Object1 destroy loo_Xml1 destroy loo_CertFromPfx destroy loo_Cert destroy loo_PrivKey return end if // The certificate passed to SetX509Cert must have an associated private key. // If the cert was loaded from a PFX, then it should automatically has an associated private key. // If the cert was loaded from PEM, then the private key was explicitly associated as shown above. li_Success = loo_Gen.SetX509Cert(loo_Cert,1) if li_Success <> 1 then Write-Debug loo_Gen.LastErrorText destroy loo_SbXml destroy loo_Gen destroy loo_Object1 destroy loo_Xml1 destroy loo_CertFromPfx destroy loo_Cert destroy loo_PrivKey return end if loo_Gen.KeyInfoType = "X509Data" loo_Gen.X509Type = "Certificate" // ---------------- This is important ----------------------------------------- // Starting in Chilkat v9.5.0.92, add the "ZATCA" behavior to produce the format required by ZATCA. loo_Gen.Behaviors = "IndentedSignature,TransformSignatureXPath,ZATCA" // ---------------------------------------------------------------------------- // Sign the XML... li_Success = loo_Gen.CreateXmlDSigSb(loo_SbXml) if li_Success <> 1 then Write-Debug loo_Gen.LastErrorText destroy loo_SbXml destroy loo_Gen destroy loo_Object1 destroy loo_Xml1 destroy loo_CertFromPfx destroy loo_Cert destroy loo_PrivKey return end if // ----------------------------------------------- // Save the signed XML to a file. li_Success = loo_SbXml.WriteFile("qa_output/signedXml.xml","utf-8",0) Write-Debug loo_SbXml.GetAsString() // ---------------------------------------- // Verify the signatures we just produced... loo_Verifier = create oleobject li_rc = loo_Verifier.ConnectToNewObject("Chilkat_9_5_0.XmlDSig") li_Success = loo_Verifier.LoadSignatureSb(loo_SbXml) if li_Success <> 1 then Write-Debug loo_Verifier.LastErrorText destroy loo_SbXml destroy loo_Gen destroy loo_Object1 destroy loo_Xml1 destroy loo_CertFromPfx destroy loo_Cert destroy loo_PrivKey destroy loo_Verifier return end if // ---------------- This is important ----------------------------------------- // Starting in Chilkat v9.5.0.92, specify "ZATCA" in uncommon options // to validate signed XML according to ZATCA needs. // ---------------------------------------------------------------------------- loo_Verifier.UncommonOptions = "ZATCA" li_NumSigs = loo_Verifier.NumSignatures li_VerifyIdx = 0 do while li_VerifyIdx < li_NumSigs loo_Verifier.Selector = li_VerifyIdx li_Verified = loo_Verifier.VerifySignature(1) if li_Verified <> 1 then Write-Debug loo_Verifier.LastErrorText destroy loo_SbXml destroy loo_Gen destroy loo_Object1 destroy loo_Xml1 destroy loo_CertFromPfx destroy loo_Cert destroy loo_PrivKey destroy loo_Verifier return end if li_VerifyIdx = li_VerifyIdx + 1 loop Write-Debug "All signatures were successfully verified." destroy loo_SbXml destroy loo_Gen destroy loo_Object1 destroy loo_Xml1 destroy loo_CertFromPfx destroy loo_Cert destroy loo_PrivKey destroy loo_Verifier |
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