added logger

Author: wes4m

src/logger/index.ts

@@ -0,0 +1,7 @@
+
+const LOGGING = process.env.LOGGING == "1";
+ 
+export const log = (type: string, source: string, message: string) => {
+    if (!LOGGING) return;
+    console.log(`\x1b[33m${new Date().toLocaleString()}\x1b[0m: [\x1b[36m${source} ${type}\x1b[0m] ${message}`);
+}

src/parser/index.ts

@@ -1,5 +1,6 @@
 import { XMLBuilder, XmlBuilderOptions, XMLParser } from "fast-xml-parser";
 import _ from "lodash";
+import { log } from "../logger";
 
 export interface XMLObject {[tag: string]: any};
 export type XMLQueryResult = XMLObject[] | undefined;
@@ -140,7 +141,7 @@ export class XMLDocument {
 
             return true;
         } catch(error: any) {
-            console.log(error.message);
+            log("Info", "Parser", error.message);
         }
 
         return false;

src/zatca/signing/index.ts

@@ -9,6 +9,7 @@ import { XMLDocument } from "../../parser";
 import { generateQR } from "../qr";
 import defaultUBLExtensions from "../templates/ubl_sign_extension_template";
 import defaultUBLExtensionsSignedProperties, {defaultUBLExtensionsSignedPropertiesForSigning} from "../templates/ubl_extension_signed_properties_template";
+import { log } from "../../logger";
 
 /**
  * Removes (UBLExtensions (Signing), Signature Envelope, and QR data) Elements. Then canonicalizes the XML to c14n.
@@ -149,15 +150,15 @@ export const generateSignedXMLString = ({invoice_xml, certificate_string, privat
 
     // 1: Invoice Hash
     const invoice_hash = getInvoiceHash(invoice_xml);
-    console.log("Invoice hash: ", invoice_hash);
+    log("Info", "Signer", `Invoice hash:  ${invoice_hash}`);
 
     // 2: Certificate hash and certificate info
     const cert_info = getCertificateInfo(certificate_string);
-    console.log("Certificate info: ", cert_info);
+    log("Info", "Signer", `Certificate info:  ${JSON.stringify(cert_info)}`);
 
     // 3: Digital Certificate
     const digital_signature = createInvoiceDigitalSignature(invoice_hash, private_key_string);
-    console.log("Digital signature: ", digital_signature);
+    log("Info", "Signer", `Digital signature: ${digital_signature}`);
 
     // 4: QR
     const qr = generateQR({
@@ -166,7 +167,7 @@ export const generateSignedXMLString = ({invoice_xml, certificate_string, privat
         public_key: cert_info.public_key,
         certificate_signature: cert_info.signature
     });
-    console.log("QR: ", qr);
+    log("Info", "Signer", `QR: ${qr}`);
 
 
     // Set Signed properties
@@ -183,7 +184,7 @@ export const generateSignedXMLString = ({invoice_xml, certificate_string, privat
     const signed_properties_bytes = Buffer.from(ubl_signature_signed_properties_xml_string_for_signing);
     let signed_properties_hash = createHash("sha256").update(signed_properties_bytes).digest('hex');
     signed_properties_hash = Buffer.from(signed_properties_hash).toString("base64");
-    console.log("Signed properites hash: ", signed_properties_hash);
+    log("Info", "Signer", `Signed properites hash: ${signed_properties_hash}`);
 
     // UBL Extensions
     let ubl_signature_xml_string = defaultUBLExtensions(