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(Unicode C) Send ZATCA Invoice for ClearanceSee more ZATCA ExamplesDemonstrates how to send a ZATCA invoice for clearance, which is to send the HTTP POST with invoice hash and the signed invoice in base64 format.
#include <C_CkXmlW.h> #include <C_CkBinDataW.h> #include <C_CkJsonObjectW.h> #include <C_CkHttpW.h> #include <C_CkHttpResponseW.h> void ChilkatSample(void) { const wchar_t *signedXmlFilePath; HCkXmlW signedXml; BOOL success; const wchar_t *invoiceHash; const wchar_t *cbc_UUID; HCkBinDataW bd; const wchar_t *base64Invoice; HCkJsonObjectW json; HCkHttpW http; HCkHttpResponseW resp; int statusCode; HCkJsonObjectW jsonResp; // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. // This example will send a POST with HTTP Basic Authentication to // https://gw-fatoora.zatca.sa/e-invoicing/simulation/invoices/clearance/single // NOTE: At the time of this writing, I don't know for sure if the above URL is correct. // // The body of the POST will contain JSON formatted as such: // { // "summary": "Standard Invoice", // "value": { // "invoiceHash": "PEx8bNFcEMEpHzUVvQntQI6ot8eFqTT/l59b+H1HqX4=", // "uuid": "16e78469-64af-406d-9cfd-895e724198f0", // "invoice": "PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz4KPEl....." // } // } // The above JSON is created from the signed XML invoice, such as the following: // *** Look at the above base64 data for the invoiceHash and uuid. These values are found in the invoice as shown below. // *** We'll write code to load the signed invoice into a Chilkat XML object, grab the invoice hash and the uuid, // *** and then construct the above JSON, which will then be sent in a POST. (See below...) // <?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> // <!-- Please note that the signature values are sample values only --> // <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> // <ds:Signature xmlns:ds="http://www.w3.org/2000/09/xmldsig#" Id="signature"> // <ds:SignedInfo> // <ds:CanonicalizationMethod Algorithm="http://www.w3.org/2006/12/xml-c14n11"/> // <ds:SignatureMethod Algorithm="http://www.w3.org/2001/04/xmldsig-more#ecdsa-sha256"/> // <ds:Reference Id="invoiceSignedData" URI=""> // <ds:Transforms> // <ds:Transform Algorithm="http://www.w3.org/TR/1999/REC-xpath-19991116"> // <ds:XPath>not(//ancestor-or-self::ext:UBLExtensions)</ds:XPath> // </ds:Transform> // <ds:Transform Algorithm="http://www.w3.org/TR/1999/REC-xpath-19991116"> // <ds:XPath>not(//ancestor-or-self::cac:Signature)</ds:XPath> // </ds:Transform> // <ds:Transform Algorithm="http://www.w3.org/TR/1999/REC-xpath-19991116"> // <ds:XPath>not(//ancestor-or-self::cac:AdditionalDocumentReference[cbc:ID='QR'])</ds:XPath> // </ds:Transform> // <ds:Transform Algorithm="http://www.w3.org/2006/12/xml-c14n11"/> // </ds:Transforms> // <ds:DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"/> // <ds:DigestValue>PEx8bNFcEMEpHzUVvQntQI6ot8eFqTT/l59b+H1HqX4=</ds:DigestValue> // </ds:Reference> // <ds:Reference Type="http://www.w3.org/2000/09/xmldsig#SignatureProperties" URI="#xadesSignedProperties"> // <ds:DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"/> // <ds:DigestValue>ZDEyMDUyODJjYzk4MGViNTJhNmYzMGIyZTgxODhkY2JlOWEzNmRiMTFlZTVhMDAxNjk5OTRkYTg3ODhlY2ZiMw==</ds:DigestValue> // </ds:Reference> // </ds:SignedInfo> // ... // ... // ... // </ext:ExtensionContent> // </ext:UBLExtension> // </ext:UBLExtensions> // // <cbc:ProfileID>reporting:1.0</cbc:ProfileID> // <cbc:ID>SME00062</cbc:ID> // <cbc:UUID>16e78469-64af-406d-9cfd-895e724198f0</cbc:UUID> // <cbc:IssueDate>2022-03-13</cbc:IssueDate> // <cbc:IssueTime>14:40:40</cbc:IssueTime> // <cbc:InvoiceTypeCode name="0111010">388</cbc:InvoiceTypeCode> // ... // ... // ... // </cac:InvoiceLine> // </Invoice> // ------------------------------------------------------------------- // First, let's load our signed XML into a Chilkat XML object so we can get the uuid and invoice hash. signedXmlFilePath = L"qa_data/zatca/http_post_clearance/sample_signed_invoice.xml"; signedXml = CkXmlW_Create(); success = CkXmlW_LoadXmlFile(signedXml,signedXmlFilePath); if (success == FALSE) { wprintf(L"%s\n",CkXmlW_lastErrorText(signedXml)); CkXmlW_Dispose(signedXml); return; } invoiceHash = CkXmlW_getChildContent(signedXml,L"ext:UBLExtensions|ext:UBLExtension|ext:ExtensionContent|sig:UBLDocumentSignatures|sac:SignatureInformation|ds:Signature|ds:SignedInfo|ds:Reference[0]|ds:DigestValue"); wprintf(L"invoiceHash: %s\n",invoiceHash); cbc_UUID = CkXmlW_getChildContent(signedXml,L"cbc:UUID"); wprintf(L"UUID: %s\n",cbc_UUID); // The Chilkat XML object was used purely for getting the above 2 values. // We must send the EXACT signed XML in base64 format. Therefore, we should load the signed XML into a Chilkat BinData and get it in base64 single-line format. bd = CkBinDataW_Create(); success = CkBinDataW_LoadFile(bd,signedXmlFilePath); base64Invoice = CkBinDataW_getEncoded(bd,L"base64"); // OK, let's build the JSON that will be in the HTTP POST body. json = CkJsonObjectW_Create(); CkJsonObjectW_UpdateString(json,L"summary",L"Standard Invoice"); CkJsonObjectW_UpdateString(json,L"value.invoiceHash",invoiceHash); CkJsonObjectW_UpdateString(json,L"value.uuid",cbc_UUID); CkJsonObjectW_UpdateString(json,L"value.invoice",base64Invoice); // Now create the HTTP object and send the POST. http = CkHttpW_Create(); // We'll want HTTP basic authentication. CkHttpW_putBasicAuth(http,TRUE); CkHttpW_putLogin(http,L"your login"); CkHttpW_putPassword(http,L"your password"); resp = CkHttpW_PostJson3(http,L"https://gw-fatoora.zatca.sa/e-invoicing/simulation/invoices/clearance/single",L"application/json",json); if (CkHttpW_getLastMethodSuccess(http) == FALSE) { wprintf(L"%s\n",CkHttpW_lastErrorText(http)); CkXmlW_Dispose(signedXml); CkBinDataW_Dispose(bd); CkJsonObjectW_Dispose(json); CkHttpW_Dispose(http); return; } // Check the response status code. A 200 or 202 indicates success.. statusCode = CkHttpResponseW_getStatusCode(resp); wprintf(L"Response status code = %d\n",statusCode); // Examine the response, which is JSON. jsonResp = CkJsonObjectW_Create(); CkHttpResponseW_GetBodyJson(resp,jsonResp); CkJsonObjectW_putEmitCompact(jsonResp,FALSE); wprintf(L"JSON Response:\n"); wprintf(L"%s\n",CkJsonObjectW_emit(jsonResp)); // Use this online tool to generate parsing code from sample JSON: // Generate Parsing Code from JSON CkXmlW_Dispose(signedXml); CkBinDataW_Dispose(bd); CkJsonObjectW_Dispose(json); CkHttpW_Dispose(http); CkJsonObjectW_Dispose(jsonResp); } |
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