feat: add reset password functionality

src/config/jwt/index.ts

@@ -1,7 +1,7 @@
 import { BasicUserInfoSchema } from '@/config/auth/types';
-import jwt from 'jsonwebtoken';
+import jwt, { JsonWebTokenError } from 'jsonwebtoken';
 import { z } from 'zod';
-import { CONFIRMATION_TOKEN_SECRET } from '../env';
+import { CONFIRMATION_TOKEN_SECRET, RESET_PASSWORD_TOKEN_SECRET } from '../env';
 import ServerError from '../util/ServerError';
 
 export const generateConfirmationToken = (user: z.infer<typeof BasicUserInfoSchema>) => {
@@ -30,3 +30,29 @@ export const verifyConfirmationToken = async (token: string) => {
     throw new ServerError('Something went wrong', 500);
   }
 };
+
+export const generateResetPasswordToken = (user: z.infer<typeof BasicUserInfoSchema>) => {
+  return jwt.sign(user, RESET_PASSWORD_TOKEN_SECRET, { expiresIn: '5m' });
+};
+export const verifyResetPasswordToken = async (token: string) => {
+  try {
+    const decoded = jwt.verify(token, RESET_PASSWORD_TOKEN_SECRET);
+
+    const parsed = BasicUserInfoSchema.safeParse(decoded);
+
+    if (!parsed.success) {
+      throw new Error('Invalid token');
+    }
+
+    return parsed.data;
+  } catch (error) {
+    if (error instanceof JsonWebTokenError) {
+      throw new ServerError(
+        'Your reset password token is invalid. Please generate a new one.',
+        401,
+      );
+    }
+
+    throw new ServerError('Something went wrong', 500);
+  }
+};