Notes on Next.js Forget Password and Reset Password Functionality

Introduction

• Topic: Forget Password and Reset Password functionality in Next.js
• Applicable for Next.js 13, 14, and future versions using app directory.
• This video is the second part of a previous video covering login and registration functionalities.

Previous Video Overview

• Covered:
  • User login functionality
  • User registration functionality
  • Login with GitHub
  • Navigating between login and registration pages
  • Storing user data in MongoDB (both registered and GitHub login users)
  • Protecting routes using authentication (example: dashboard route)

Video Playlists

• Next.js 13 and 14 playlists available on the channel
• Topics include:
  • Best practices
  • State management (e.g., Redux Toolkit, Context API)
  • Integrating with CMS (e.g., Sanity, Ghost CMS)
  • Debugging and building applications
  • TypeScript usage

Forget Password and Reset Password Functionality Overview

1. Creating a New User
   • Register user before testing forget/reset password functionality.
   • Email validation when user attempts to reset password for an unregistered email.
2. Registration Process
   • User registered in the database with encrypted password for security.
   • Successfully logging in with registered credentials.
3. Reset Password Process
   • User submits registered email for password reset.
   • Email with a reset link sent to the user's email.
   • Reset token and expiry date stored in MongoDB for security purposes.

Implementation Steps

1. UI Creation

• Create a new route for forget password and reset password in the app directory.
• Implement user authentication checks to restrict access.

2. API Routes

• Create API routes for
  • Forget Password: Checks if email exists and sends reset link.
  • Verify Token: Verifies the reset token's validity.
  • Reset Password: Updates user password in the database.

3. Token Handling

• Use the crypto package to generate reset tokens and hash them securely.
• Store hashed tokens and expiry dates in the database.

4. Email Sending

• Configure SendGrid to send emails with reset links.
• Construct email body with reset URL containing the token.

5. Error Handling

• Handle errors when token is invalid or expired.
• Provide feedback to users for successful or failed operations.

Conclusion

• Functionalities covered include:
  • User registration
  • Forget password request
  • Reset password process
  • Validating tokens and updating passwords
• Encouragement to subscribe for more related content and learning resources.