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SuperTokens is an open-source authentication solution designed to provide secure and scalable user authentication for web and mobile applications. It simplifies the process of implementing authentication by offering features such as session management, social login, and passwordless authentication. SuperTokens is particularly popular among developers for its ease of integration and flexibility, making it a go-to choice for many production applications.
When using SuperTokens, you might encounter the error code INVALID_REFRESH_TOKEN. This error typically manifests when a user attempts to refresh their session but is unable to do so. The application may display an error message indicating that the refresh token is invalid, or the user may be unexpectedly logged out.
The INVALID_REFRESH_TOKEN error occurs when the refresh token provided by the client is either invalid or has been revoked. This can happen for several reasons, such as the token being tampered with, expired, or manually revoked by the server. Understanding the root cause of this issue is crucial for implementing an effective resolution.
To address the INVALID_REFRESH_TOKEN error, follow these actionable steps:
The most straightforward solution is to prompt the user to log in again. This will generate a new session and refresh token, allowing the user to continue using the application without interruption.
Ensure that your application gracefully handles token expiry by checking the token's validity before making API requests. You can use SuperTokens' built-in methods to verify token validity. For more information, refer to the SuperTokens documentation on handling token expiry.
Ensure that refresh tokens are securely stored on the client side, preferably in HTTP-only cookies, to prevent unauthorized access or tampering. For best practices, visit SuperTokens Security Best Practices.
Implement server-side monitoring to detect suspicious activity and revoke tokens if necessary. This can be done using SuperTokens' session management features. Learn more about session management here.
By understanding the causes and implementing the steps outlined above, you can effectively resolve the INVALID_REFRESH_TOKEN error in your SuperTokens implementation. Regularly updating your authentication logic and following security best practices will help maintain a secure and seamless user experience.
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