codesnips

authentication

python 
from argon2 import PasswordHasher

password_hasher = PasswordHasher(
    time_cost=3,
    memory_cost=65536,
    parallelism=4,

Password hashing with Argon2 and bcrypt migration paths

passwords argon2 bcrypt
by Kai Nakamura 1 tab
ruby 
class ApplicationController < ActionController::Base
  before_action :authenticate_user!

  rescue_from ActionController::InvalidAuthenticityToken do
    handle_unauthenticated(reason: :csrf)
  end

Turbo Streams: partial page auth failure handling

rails turbo hotwire
by codesnips 3 tabs
php 
<?php

namespace App\Http\Controllers\Auth;

use App\Http\Controllers\Controller;
use App\Models\User;

Laravel Sanctum for API authentication

laravel sanctum authentication
by Carlos Mendez 3 tabs
ruby 
class DownloadsController < ApplicationController
  before_action :authenticate_user!, only: :create
  skip_before_action :verify_authenticity_token, only: :show

  def create
    document = current_user.documents.find(params[:document_id])

Signed, Expiring Download URLs With HMAC Verification in Rails

rails hmac security
by codesnips 3 tabs
typescript 
import { Request, Response } from 'express';
import { authenticate } from './auth.service';

export async function login(req: Request, res: Response): Promise<void> {
  const { email, password } = req.body ?? {};

Password hashing with Argon2

security node argon2
by codesnips 3 tabs
javascript 
import * as Turbo from "@hotwired/turbo";

function metaContent(name) {
  const el = document.querySelector(`meta[name="${name}"]`);
  return el ? el.getAttribute("content") : null;
}

Attach custom headers to Turbo fetch requests (stimulus-free)

rails hotwire turbo
by codesnips 3 tabs
php 
<?php

namespace App\Models;

use App\Notifications\VerifyEmailNotification;
use Illuminate\Contracts\Auth\MustVerifyEmail;

Signed Email-Verification Links with Custom Laravel Notification and Signed Routes

laravel signed-urls email-verification
by codesnips 4 tabs
typescript 
import { cookies } from "next/headers";
import { jwtVerify } from "jose";

export interface Session {
  userId: string;
  role: "user" | "admin";

Next.js Route Handler with auth guard

nextjs route-handlers authentication
by codesnips 3 tabs
php 
<?php

use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;

Throttled Last-Seen Tracking with Laravel Middleware and Redis Cache

laravel middleware redis
by codesnips 4 tabs
python 
from datetime import timedelta

INSTALLED_APPS += ['rest_framework_simplejwt']

REST_FRAMEWORK = {
    'DEFAULT_AUTHENTICATION_CLASSES': [

Django REST Framework authentication with JWT

django python rest
by Priya Sharma 2 tabs
php 
<?php

namespace App\Http\Requests;

use Illuminate\Contracts\Validation\Validator;
use Illuminate\Foundation\Http\FormRequest;

Laravel Form Request Validation for Signup With Custom Rules and Error Responses

laravel validation form-request
by codesnips 3 tabs
typescript 
import { initTRPC, TRPCError } from '@trpc/server';

export interface Context {
  user: { id: string; role: 'user' | 'admin' } | null;
  db: DatabaseClient;
}

tRPC router pattern for type-safe APIs

typescript trpc api
by codesnips 4 tabs