Implement user registration and email verification features

app/utils/emailVerification.util.js

@@ -0,0 +1,28 @@
+//app/utils/emailVerification.util.js
+const crypto = require("crypto");
+
+/**
+ * Generate a cryptographically secure
+ * random email-verification token.
+ */
+const generateEmailVerificationToken = () => {
+  return crypto.randomBytes(32).toString("hex");
+};
+
+
+/**
+ * Hash verification token before
+ * storing it in database.
+ */
+const hashEmailVerificationToken = (token) => {
+  return crypto
+    .createHash("sha256")
+    .update(token)
+    .digest("hex");
+};
+
+
+module.exports = {
+  generateEmailVerificationToken,
+  hashEmailVerificationToken,
+};

app/utils/validation/validateEmail.util.js

@@ -0,0 +1,21 @@
+const validateEmail = (email) => {
+  // Must be a string
+  if (typeof email !== "string") {
+    return false;
+  }
+
+  // Remove spaces
+  const trimmedEmail = email.trim();
+
+  // Basic email format validation
+  const emailRegex = /^[^\s@]+@[^\s@]+\.[^\s@]+$/;
+
+  return emailRegex.test(trimmedEmail);
+};
+const normalizeEmail = (email) => {
+  return email.trim().toLowerCase();
+};
+
+module.exports = {
+  validateEmail, normalizeEmail
+};

app/utils/validation/validatePassword.util.js

@@ -1,3 +1,4 @@
+//app/utils/validation/validatePassword.util.js
 const validatePassword = (password) => {
   // Check if password is a string
   if (typeof password !== "string") {