Week-3 JWT Assignment

week-3/02-jwt/index.js

@@ -1,7 +1,12 @@
-const jwt = require('jsonwebtoken');
-const jwtPassword = 'secret';
-
+const jwt = require("jsonwebtoken");
+const jwtPassword = "secret";
+const zod = require("zod");
 
+/**
+ * Zod schema verify
+ */
+const emailSchema = zod.string().email();
+const passwordSchema = zod.string().min(6);
 /**
  * Generates a JWT for a given username and password.
  *
@@ -14,7 +19,14 @@ const jwtPassword = 'secret';
  *                        the password does not meet the length requirement.
  */
 function signJwt(username, password) {
-    // Your code here
+  // Your code here
+  const verifyEmail = emailSchema.safeParse(username);
+  const verifyPassword = passwordSchema.safeParse(password);
+  if (!verifyEmail.success || !verifyPassword.success) {
+    return null;
+  }
+  const response = jwt.sign({ username}, jwtPassword);
+  return response;
 }
 
 /**
@@ -26,7 +38,13 @@ function signJwt(username, password) {
  *                    using the secret key.
  */
 function verifyJwt(token) {
-    // Your code here
+  // Your code here
+  try{
+    jwt.verify(token,jwtPassword);
+    return true;
+  }
+  catch(e){}
+  return false;
 }
 
 /**
@@ -37,10 +55,12 @@ function verifyJwt(token) {
  *                         Returns false if the token is not a valid JWT format.
  */
 function decodeJwt(token) {
-    // Your code here
+  // Your code here
+  const decodeJwt = jwt.decode(token);
+  if(!decodeJwt) return false;
+  return true;
 }
 
-
 module.exports = {
   signJwt,
   verifyJwt,