Freaks City

Architecture Overview To enhance session security and manage user persistence, the architecture employs a pair of JSON Web Tokens (JWT). An access_token handles immediate API requests with a short lifespan (e.g., 30 minutes), while a refresh_token maintains longer-term validity (e.g., 60 minutes) to extend sessions without re-authentication. Wh ...

JSON Web Tokens (JWT) are a compact, URL-safe means of representing claims to be transferred between two parties. By employing digital signatures, JWTs ensure that data remains tamper-proof during transit. Structure of a JWT A JWT is composed of three distinct segments separated by periods: Header: Specifies the algorithm and token type. Paylo ...

RSA Asymmetric Encryption Implementation The following example demonstrates a complete RSA encryption utility for generating key pairs, encrypting data with public keys, and decryptign with private keys. This implementation uses Java's built-in cryptographic providers with Base64 encoding for key and data portability. import javax.crypto.Cipher ...

1. Introduction Preface Welcome back to the development of the B-side project. This week we will focus on coding the right-side settings part of the editor, completing component property settings, layer settings, and page settings. To avoid getting lost in business complexities, we'll cover several typical features and knowledge points. What ...

Securing stateless REST APIs relies heavily on short-lived access tokens paired with longer-lived refresh credentials. This pattern prevents frequent re-authentication while limiting exposure from compromised tokens. Below is a practical implementation of this mechanism using Spring Boot, Spring Security, and the JJWT library. Core Dependencies ...

Problem Overview When attempting to generate verification tokens in Flask using TimedJSONWebSignatureSerializer from the itsdangerous library (version 2.1.2), an import error occurs: ImportError: cannot import name 'TimedJSONWebSignatureSerializer' from 'itsdangerous' The clas simply doesn't exist in the installed version of the library. Root ...

Design Approach Upon successful login, generate a token using the userId and have the frontend store it. When subsequent requests reach the gateway, create a filter to parse userId from the token and inject it into the request headers. Once the request arrives at the target service, create an interceptor to extract userId from the headers, fet ...

Cookie (Stored in Browser) A cookie is a specific piece of data that is permanently stored in the browser. It is merely a data storage functionality implemented by browsers. Cookies are generated by the server, sent to the browser, and saved as key-value pairs in a text file within a directory on the client. On subsequent requests to the same w ...