Code Explainers

Code explainers tagged #sessions

javascript 
const express = require('express');
const cookieParser = require('cookie-parser');
 
const router = express.Router();

Remember-me login with signed cookies in Express

authentication signed-cookies sessions
Intermediate 9 steps
python 
from functools import wraps
from flask import Blueprint, session, request, redirect, url_for, flash, render_template
from werkzeug.security import check_password_hash
 

Session-based auth with a Flask Blueprint

authentication decorators sessions
Intermediate 9 steps
javascript 
const express = require('express');
const session = require('express-session');
const RedisStore = require('connect-redis').default;
const { createClient } = require('redis');

Redis-backed session auth in Express

sessions authentication redis
Intermediate 8 steps
python 
from fastapi import Depends, FastAPI, HTTPException
from sqlalchemy import create_engine
from sqlalchemy.orm import Session, sessionmaker
 

Wiring SQLAlchemy sessions into FastAPI

dependency-injection orm sessions
Intermediate 7 steps
rust 
use axum::{
    extract::FromRef,
    http::StatusCode,
    response::{IntoResponse, Redirect},

Signed cookie sessions in Axum

sessions cookies authentication
Intermediate 8 steps
ruby 
class SessionsController < ApplicationController
  MAX_ATTEMPTS = 5
  THROTTLE_WINDOW = 15.minutes
 

Throttling failed logins in Rails

rate-limiting authentication caching
Intermediate 7 steps
php 
<?php
 
final class CsrfGuard
{

Building a per-form CSRF guard in PHP

csrf security sessions
Intermediate 8 steps