Begin migration to registration codes

Signed-off-by: Fred Boniface <fred@fjla.uk>

src/services/registration.services.js

@@ -6,7 +6,36 @@ const domains = require("../configs/domains.configs");
 const errors = require("../configs/errorCodes.configs");
 
 import { logger } from "../utils/logger.utils";
+import { getDomainFromEmail } from "../utils/sanitizer.utils";
+import { valid as validDomains } from "../configs/domains.configs";
+import { generateCode } from "../utils/auth.utils";
 
+async function createRegKey(body) {
+  logger.debug("registerServices.createRegKey: Incoming request");
+  if (body.email) {
+    const domain = getDomainFromEmail(body.email);
+    logger.info(`registerServices: Registration request from: ${domain}`);
+    if (validDomains.includes(domain)) {
+      logger.debug(`registerServices.createRegKey: Key from valid: ${domain}`);
+      const key = generateCode()
+      const message = await auth.generateConfirmationEmail(body.email, key);
+      if (!message) {
+        const err = new Error("Message Generation Error");
+        logger.error(err, "registerServices.createRegKey: Error generating email");
+        return 500;
+      }
+      if ((await mail.send(message)) == true) {
+        return {status: 201, message: "email sent"};
+      }
+      return {status:500, errorCode:950, errorMsg: errors[950]}
+    }
+    return { status: 403, errorCode: 702, errorMsg: errors[702] };
+  } else {
+    return { status: 400, errorCode: 901, errorMsg: errors[902] };
+  }
+}  // NEXT-- UPDATE EMAIL TEMPLATE TO ACCEPT SIX DIGIT CODE RATHER THAN UUID - HTML TEMPLATE NEEDS COMPLETELY REDOING
+
+/* OLD FUNCTION
 async function createRegKey(body) {
   logger.debug("registerServices.createRegKey: Incoming request");
   if (body.email) {
@@ -35,6 +64,7 @@ async function createRegKey(body) {
     return { status: 400, errorCode: 901, errorMsg: errors[902] };
   }
 }
+*/
 
 async function regUser(req) {
   // Add input validation

src/utils/auth.utils.ts

@@ -38,6 +38,12 @@ async function generateKey() {
   return crypt.randomUUID();
 }
 
+export function generateCode(): string {
+  const bytes = crypt.randomBytes(3);
+  const randomNumber = bytes.readUIntBE(0, 3) % 1000000;
+  return randomNumber.toString().padStart(6, '0');
+}
+
 async function generateConfirmationEmail(eml: string, uuid: string) {
   try {
     const htmlTpl = await fs.readFile("mail-templates/register.html", "utf-8");