Code Explainers

Code explainers tagged #webhooks

go 
func HandleWebhook(store WebhookStore, dispatcher *EventDispatcher) gin.HandlerFunc {
	return func(c *gin.Context) {
		body, err := c.GetRawData()
		if err != nil {

Building a resilient webhook handler in Gin

webhooks dependency-injection signature-verification
Intermediate 9 steps
rust 
use std::collections::HashMap;
use std::sync::Arc;
 
use axum::body::Bytes;

A concurrent webhook dispatcher in Axum

trait-objects concurrency shared-state
Intermediate 9 steps
java 
@Service
public class WebhookDedupService {
 
    private static final Logger log = LoggerFactory.getLogger(WebhookDedupService.class);

Idempotent webhooks with Redis in Spring

idempotency redis deduplication
Intermediate 7 steps
javascript 
import { NextResponse } from 'next/server';
import { revalidatePath } from 'next/cache';
import crypto from 'node:crypto';
 

A GitHub webhook that revalidates Next.js docs

webhooks hmac-verification cache-revalidation
Intermediate 8 steps
go 
package handlers
 
type WebhookEvent struct {
	ID   string          `json:"id"`

Verifying and processing webhooks in Gin

webhooks hmac idempotency
Intermediate 9 steps
php 
<?php
 
namespace App\Http\Controllers;
 

Handling Stripe webhooks in Laravel

webhooks signature-verification dependency-injection
Intermediate 7 steps
ruby 
class WebhookSignatureConstraint
  def initialize(provider)
    @provider = provider
  end

Verifying webhook signatures with Rails routing constraints

routing constraints hmac webhooks
Advanced 7 steps
go 
func (h *WebhookHandler) HandleBatch(c *gin.Context) {
	var payload BatchWebhookPayload
	if err := c.ShouldBindJSON(&payload); err != nil {
		c.JSON(http.StatusBadRequest, gin.H{"error": "invalid payload"})

Handling batched webhooks in Gin

webhooks signature-verification job-queue
Intermediate 7 steps
php 
<?php
 
namespace App\Http\Middleware;
 

Verifying GitHub webhook signatures in Laravel

middleware hmac webhooks
Intermediate 5 steps
php 
<?php
 
namespace App\Http\Middleware;
 

Verifying webhook signatures in Laravel

hmac middleware webhooks
Intermediate 7 steps
typescript 
import {
  Controller,
  Post,
  Headers,

Verifying Stripe webhooks in NestJS

webhooks signature-verification event-handling
Intermediate 7 steps
ruby 
require "openssl"
require "base64"
 
module WebhookSignature

Signing and verifying webhooks in Ruby

hmac cryptography webhooks
Intermediate 7 steps
go 
package middleware
 
import (
	"bytes"

Verifying webhook HMAC signatures in Gin

hmac middleware webhooks
Intermediate 7 steps
ruby 
class Webhooks::StripeController < ApplicationController
  skip_before_action :verify_authenticity_token
  skip_before_action :authenticate_user!
 

How a Rails Stripe webhook controller works

webhooks signature verification event dispatch
Intermediate 7 steps
rust 
use axum::{
    body::Bytes,
    extract::State,
    http::{HeaderMap, StatusCode},

Verifying Stripe webhook signatures in Axum

hmac webhooks constant-time-comparison
Intermediate 8 steps
php 
<?php
 
namespace App\Http\Controllers;
 

Verifying Stripe webhooks in Laravel

webhooks signature-verification event-dispatch
Intermediate 8 steps
python 
import stripe
from fastapi import APIRouter, Request, Header, HTTPException
 
from app.config import settings

Handling Stripe webhooks in FastAPI

webhooks signature-verification event-routing
Intermediate 7 steps
javascript 
const express = require('express');
const Stripe = require('stripe');
 
const stripe = new Stripe(process.env.STRIPE_SECRET_KEY);

Verifying Stripe webhooks in Express

webhooks signature-verification raw-body
Intermediate 7 steps