From af164c1f8c4745ca732c04163862569a64aa1bfd Mon Sep 17 00:00:00 2001 From: ale Date: Sat, 16 Aug 2025 23:07:29 +0200 Subject: [PATCH] initial commit Signed-off-by: ale --- .gitignore | 2 + EXAMPLES.md | 415 +++++++ README.md | 67 +- package-lock.json | 1670 --------------------------- package.json | 8 +- src/app/api/ping/route.js | 166 +++ src/app/api/status/route.js | 69 ++ src/app/components/CopyButton.js | 45 + src/app/components/PingForm.js | 137 +++ src/app/components/PingInterface.js | 111 ++ src/app/components/PingResults.js | 176 +++ src/app/components/RateLimitInfo.js | 116 ++ src/app/page.js | 116 +- src/hooks/usePingService.js | 108 ++ src/lib/config.js | 119 ++ src/lib/rate-limiter.js | 100 ++ src/lib/validators.js | 149 +++ src/middleware.js | 38 + 18 files changed, 1824 insertions(+), 1788 deletions(-) create mode 100644 EXAMPLES.md delete mode 100644 package-lock.json create mode 100644 src/app/api/ping/route.js create mode 100644 src/app/api/status/route.js create mode 100644 src/app/components/CopyButton.js create mode 100644 src/app/components/PingForm.js create mode 100644 src/app/components/PingInterface.js create mode 100644 src/app/components/PingResults.js create mode 100644 src/app/components/RateLimitInfo.js create mode 100644 src/hooks/usePingService.js create mode 100644 src/lib/config.js create mode 100644 src/lib/rate-limiter.js create mode 100644 src/lib/validators.js create mode 100644 src/middleware.js diff --git a/.gitignore b/.gitignore index 5ef6a52..106636f 100644 --- a/.gitignore +++ b/.gitignore @@ -39,3 +39,5 @@ yarn-error.log* # typescript *.tsbuildinfo next-env.d.ts +*.lock +*-lock.json \ No newline at end of file diff --git a/EXAMPLES.md b/EXAMPLES.md new file mode 100644 index 0000000..d40f00f --- /dev/null +++ b/EXAMPLES.md @@ -0,0 +1,415 @@ +# Ejemplos de Uso - API Ping Service + +Este documento contiene ejemplos prácticos de cómo usar la API Ping Service en diferentes escenarios. + +## 📡 Ejemplos de API + +### 1. Ping Básico + +```bash +curl -X POST http://localhost:3000/api/ping \ + -H "Content-Type: application/json" \ + -d '{ + "target": "8.8.8.8", + "count": 4, + "timeout": 5000 + }' +``` + +**Respuesta:** +```json +{ + "success": true, + "target": "8.8.8.8", + "timestamp": "2025-08-16T21:00:00.000Z", + "results": [ + { + "sequence": 1, + "time": 15.2, + "alive": true, + "host": "8.8.8.8" + } + ], + "statistics": { + "packetsTransmitted": 4, + "packetsReceived": 4, + "packetLoss": "0.0", + "min": 14.1, + "max": 16.8, + "avg": "15.20" + } +} +``` + +### 2. Ping a Hostname + +```bash +curl -X POST http://localhost:3000/api/ping \ + -H "Content-Type: application/json" \ + -d '{ + "target": "google.com", + "count": 3, + "timeout": 3000 + }' +``` + +### 3. Ping Rápido (1 ping) + +```bash +curl -X POST http://localhost:3000/api/ping \ + -H "Content-Type: application/json" \ + -d '{ + "target": "1.1.1.1", + "count": 1, + "timeout": 2000 + }' +``` + +### 4. Verificar Estado del Servicio + +```bash +curl -X GET http://localhost:3000/api/status +``` + +## 🚨 Ejemplos de Errores + +### Rate Limit Excedido + +```bash +# Después de 10 requests en 1 minuto +curl -X POST http://localhost:3000/api/ping \ + -H "Content-Type: application/json" \ + -d '{"target": "8.8.8.8"}' +``` + +**Respuesta (HTTP 429):** +```json +{ + "error": "Rate limit exceeded", + "message": "Too many requests. Please try again later.", + "resetTime": 1692180660000, + "limit": 10, + "remaining": 0 +} +``` + +### IP Privada (Bloqueada) + +```bash +curl -X POST http://localhost:3000/api/ping \ + -H "Content-Type: application/json" \ + -d '{"target": "192.168.1.1"}' +``` + +**Respuesta (HTTP 400):** +```json +{ + "error": "Invalid target", + "message": "Private, loopback, or reserved IP addresses are not allowed" +} +``` + +### Target Inválido + +```bash +curl -X POST http://localhost:3000/api/ping \ + -H "Content-Type: application/json" \ + -d '{"target": "invalid..hostname"}' +``` + +**Respuesta (HTTP 400):** +```json +{ + "error": "Invalid target", + "message": "Invalid IP address or hostname format" +} +``` + +## 💻 Ejemplos en JavaScript + +### 1. Función de Ping Simple + +```javascript +async function pingHost(target, count = 4) { + try { + const response = await fetch('/api/ping', { + method: 'POST', + headers: { + 'Content-Type': 'application/json', + }, + body: JSON.stringify({ + target, + count, + timeout: 5000 + }) + }); + + if (!response.ok) { + const error = await response.json(); + throw new Error(error.message); + } + + const result = await response.json(); + console.log(`Ping to ${target}:`); + console.log(`Average: ${result.statistics.avg}ms`); + console.log(`Packet Loss: ${result.statistics.packetLoss}%`); + + return result; + } catch (error) { + console.error('Ping failed:', error.message); + throw error; + } +} + +// Uso +pingHost('8.8.8.8', 3); +``` + +### 2. Monitor de Múltiples Hosts + +```javascript +async function monitorHosts(hosts) { + const results = []; + + for (const host of hosts) { + try { + const result = await pingHost(host, 2); + results.push({ + host, + success: true, + averageTime: result.statistics.avg, + packetLoss: result.statistics.packetLoss + }); + } catch (error) { + results.push({ + host, + success: false, + error: error.message + }); + } + + // Esperar 2 segundos entre hosts para no saturar + await new Promise(resolve => setTimeout(resolve, 2000)); + } + + return results; +} + +// Uso +const hosts = ['8.8.8.8', '1.1.1.1', 'google.com', 'github.com']; +monitorHosts(hosts).then(console.log); +``` + +### 3. Verificador de Rate Limit + +```javascript +async function checkRateLimit() { + try { + const response = await fetch('/api/status'); + const data = await response.json(); + + const rateLimit = data.clientInfo.rateLimit; + console.log(`Rate Limit: ${rateLimit.remaining}/${rateLimit.limit} remaining`); + + if (rateLimit.remaining < 3) { + console.warn('⚠️ Approaching rate limit!'); + } + + return rateLimit; + } catch (error) { + console.error('Failed to check rate limit:', error); + return null; + } +} +``` + +### 4. Ping con Reintentos + +```javascript +async function pingWithRetry(target, maxRetries = 3) { + for (let attempt = 1; attempt <= maxRetries; attempt++) { + try { + console.log(`Attempt ${attempt}/${maxRetries} for ${target}`); + + const result = await pingHost(target, 1); + console.log(`✅ Success on attempt ${attempt}`); + return result; + + } catch (error) { + console.log(`❌ Attempt ${attempt} failed: ${error.message}`); + + if (attempt === maxRetries) { + throw new Error(`Failed after ${maxRetries} attempts: ${error.message}`); + } + + // Esperar antes del siguiente intento + const delay = attempt * 1000; // 1s, 2s, 3s... + await new Promise(resolve => setTimeout(resolve, delay)); + } + } +} +``` + +## 🐍 Ejemplos en Python + +### 1. Cliente Python Simple + +```python +import requests +import json +import time + +class PingClient: + def __init__(self, base_url="http://localhost:3000"): + self.base_url = base_url + + def ping(self, target, count=4, timeout=5000): + """Realiza un ping al target especificado""" + url = f"{self.base_url}/api/ping" + data = { + "target": target, + "count": count, + "timeout": timeout + } + + try: + response = requests.post(url, json=data) + response.raise_for_status() + return response.json() + except requests.exceptions.RequestException as e: + print(f"Error: {e}") + return None + + def get_status(self): + """Obtiene el estado del servicio""" + url = f"{self.base_url}/api/status" + try: + response = requests.get(url) + response.raise_for_status() + return response.json() + except requests.exceptions.RequestException as e: + print(f"Error: {e}") + return None + +# Uso +client = PingClient() + +# Ping simple +result = client.ping("8.8.8.8", count=3) +if result: + print(f"Average: {result['statistics']['avg']}ms") + +# Verificar estado +status = client.get_status() +if status: + print(f"Service: {status['service']}") + print(f"Rate limit: {status['clientInfo']['rateLimit']['remaining']}/10") +``` + +### 2. Monitor Continuo + +```python +import time +import datetime + +def monitor_host(client, target, interval=60, duration=3600): + """Monitorea un host durante un período específico""" + start_time = time.time() + end_time = start_time + duration + + print(f"Monitoring {target} for {duration/60} minutes...") + + while time.time() < end_time: + timestamp = datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S") + + result = client.ping(target, count=1) + if result and result.get('success'): + avg_time = result['statistics']['avg'] + packet_loss = result['statistics']['packetLoss'] + print(f"[{timestamp}] {target}: {avg_time}ms (loss: {packet_loss}%)") + else: + print(f"[{timestamp}] {target}: FAILED") + + time.sleep(interval) + +# Uso +client = PingClient() +monitor_host(client, "8.8.8.8", interval=30, duration=1800) # 30 min +``` + +## 🔧 Headers de Rate Limiting + +El servicio incluye headers HTTP para monitorear el rate limiting: + +```bash +curl -I -X POST http://localhost:3000/api/ping \ + -H "Content-Type: application/json" \ + -d '{"target": "8.8.8.8"}' +``` + +**Headers de respuesta:** +``` +X-RateLimit-Limit: 10 +X-RateLimit-Remaining: 9 +X-RateLimit-Reset: 1692180660000 +``` + +## 🚀 Casos de Uso Avanzados + +### Dashboard de Monitoreo + +```javascript +class NetworkDashboard { + constructor() { + this.hosts = ['8.8.8.8', '1.1.1.1', 'google.com']; + this.results = new Map(); + } + + async updateStatus() { + for (const host of this.hosts) { + try { + const result = await pingHost(host, 1); + this.results.set(host, { + status: 'up', + latency: result.statistics.avg, + lastCheck: new Date() + }); + } catch (error) { + this.results.set(host, { + status: 'down', + error: error.message, + lastCheck: new Date() + }); + } + } + + this.displayResults(); + } + + displayResults() { + console.clear(); + console.log('🌐 Network Status Dashboard'); + console.log('=' .repeat(40)); + + this.results.forEach((result, host) => { + const icon = result.status === 'up' ? '✅' : '❌'; + const info = result.status === 'up' + ? `${result.latency}ms` + : result.error; + + console.log(`${icon} ${host.padEnd(15)} ${info}`); + }); + } + + start(interval = 30000) { + this.updateStatus(); + setInterval(() => this.updateStatus(), interval); + } +} + +// Uso +const dashboard = new NetworkDashboard(); +dashboard.start(30000); // Actualizar cada 30 segundos +``` + +Estos ejemplos muestran cómo integrar el servicio de ping en diferentes aplicaciones y escenarios de uso real. diff --git a/README.md b/README.md index 66bb426..65fc09b 100644 --- a/README.md +++ b/README.md @@ -1,36 +1,61 @@ -This is a [Next.js](https://nextjs.org) project bootstrapped with [`create-next-app`](https://github.com/vercel/next.js/tree/canary/packages/create-next-app). +# API Ping Service -## Getting Started +Un servicio moderno de ping construido con Next.js 15 que permite realizar pruebas de conectividad de red de forma segura y controlada. -First, run the development server: +## 🚀 Características + +- **Rate Limiting**: Máximo 10 peticiones por minuto por IP para prevenir abuso +- **Validación de seguridad**: Bloquea IPs privadas, localhost y rangos reservados +- **Interfaz moderna**: UI responsiva con Tailwind CSS +- **Tiempo real**: Resultados en tiempo real con indicadores de progreso +- **Estadísticas completas**: Métricas detalladas de latencia, pérdida de paquetes, etc. +- **API RESTful**: Endpoints bien documentados para integración + +## 🔧 Instalación ```bash +# Instalar dependencias +npm install + +# Ejecutar en modo desarrollo npm run dev -# or -yarn dev -# or -pnpm dev -# or -bun dev + +# Ejecutar en producción +npm run build +npm start ``` -Open [http://localhost:3000](http://localhost:3000) with your browser to see the result. +## 📡 API Endpoints -You can start editing the page by modifying `app/page.js`. The page auto-updates as you edit the file. +### POST /api/ping +Realiza una prueba de ping al destino especificado. -This project uses [`next/font`](https://nextjs.org/docs/app/building-your-application/optimizing/fonts) to automatically optimize and load [Geist](https://vercel.com/font), a new font family for Vercel. +**Request Body:** +```json +{ + "target": "8.8.8.8", // IP o hostname (requerido) + "count": 4, // Número de pings (1-10, default: 4) + "timeout": 5000 // Timeout en ms (1000-10000, default: 5000) +} +``` -## Learn More +### GET /api/status +Obtiene información del estado del servicio y estadísticas del cliente. -To learn more about Next.js, take a look at the following resources: +## 🛡️ Seguridad -- [Next.js Documentation](https://nextjs.org/docs) - learn about Next.js features and API. -- [Learn Next.js](https://nextjs.org/learn) - an interactive Next.js tutorial. +### Rate Limiting +- **Límite**: 10 peticiones por minuto por IP +- **Ventana deslizante**: Se renueva automáticamente -You can check out [the Next.js GitHub repository](https://github.com/vercel/next.js) - your feedback and contributions are welcome! +### Validaciones +- ✅ IPs públicas válidas (IPv4/IPv6) +- ✅ Hostnames válidos según RFC 1123 +- ❌ IPs privadas, localhost y rangos reservados -## Deploy on Vercel +## 🎨 Interfaz de Usuario -The easiest way to deploy your Next.js app is to use the [Vercel Platform](https://vercel.com/new?utm_medium=default-template&filter=next.js&utm_source=create-next-app&utm_campaign=create-next-app-readme) from the creators of Next.js. - -Check out our [Next.js deployment documentation](https://nextjs.org/docs/app/building-your-application/deploying) for more details. +- **Responsive**: Optimizada para móviles y escritorio +- **Dark Mode**: Soporte completo para tema oscuro +- **Tiempo Real**: Indicadores de progreso durante las pruebas +- **Quick Select**: Botones rápidos para destinos comunes diff --git a/package-lock.json b/package-lock.json deleted file mode 100644 index 1e57433..0000000 --- a/package-lock.json +++ /dev/null @@ -1,1670 +0,0 @@ -{ - "name": "api-ping", - 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Please try again later.', + resetTime: rateLimitResult.resetTime, + limit: rateLimitResult.limit, + remaining: rateLimitResult.remaining + }, { + status: 429, + headers: { + 'X-RateLimit-Limit': rateLimitResult.limit.toString(), + 'X-RateLimit-Remaining': rateLimitResult.remaining.toString(), + 'X-RateLimit-Reset': rateLimitResult.resetTime.toString() + } + }); + } + + // Parsear el body de la request + const body = await request.json(); + const { target, count = 4, timeout = 5000 } = body; + + // Validar parámetros + if (!target) { + return NextResponse.json({ + error: 'Missing target', + message: 'Target IP or hostname is required' + }, { status: 400 }); + } + + // Validar IP/hostname + const validationResult = validateIP(target); + if (!validationResult.valid) { + return NextResponse.json({ + error: 'Invalid target', + message: validationResult.message + }, { status: 400 }); + } + + // Validar count (usar configuración) + const pingCount = Math.min( + Math.max(parseInt(count) || PING_CONFIG.PING_LIMITS.DEFAULT_COUNT, PING_CONFIG.PING_LIMITS.MIN_COUNT), + PING_CONFIG.PING_LIMITS.MAX_COUNT + ); + + // Validar timeout (usar configuración) + const pingTimeout = Math.min( + Math.max(parseInt(timeout) || PING_CONFIG.PING_LIMITS.DEFAULT_TIMEOUT, PING_CONFIG.PING_LIMITS.MIN_TIMEOUT), + PING_CONFIG.PING_LIMITS.MAX_TIMEOUT + ); + + // Realizar el ping + const results = []; + const startTime = Date.now(); + + for (let i = 0; i < pingCount; i++) { + try { + const result = await ping.promise.probe(target, { + timeout: pingTimeout / 1000, // ping library expects seconds + min_reply: 1, + deadline: 30 + }); + + results.push({ + sequence: i + 1, + time: result.time === 'unknown' ? null : parseFloat(result.time), + alive: result.alive, + host: result.host, + numeric_host: result.numeric_host, + output: result.output + }); + + // Esperar entre pings (usar configuración) + if (i < pingCount - 1) { + await new Promise(resolve => setTimeout(resolve, PING_CONFIG.NETWORK.PING_INTERVAL_MS)); + } + } catch (error) { + results.push({ + sequence: i + 1, + time: null, + alive: false, + host: target, + error: error.message + }); + } + } + + const endTime = Date.now(); + const totalTime = endTime - startTime; + + // Calcular estadísticas + const successfulPings = results.filter(r => r.alive && r.time !== null); + const times = successfulPings.map(r => r.time); + + const stats = { + packetsTransmitted: pingCount, + packetsReceived: successfulPings.length, + packetLoss: ((pingCount - successfulPings.length) / pingCount * 100).toFixed(1), + totalTime: totalTime, + min: times.length > 0 ? Math.min(...times) : null, + max: times.length > 0 ? Math.max(...times) : null, + avg: times.length > 0 ? (times.reduce((a, b) => a + b, 0) / times.length).toFixed(2) : null + }; + + return NextResponse.json({ + success: true, + target: target, + timestamp: new Date().toISOString(), + results: results, + statistics: stats, + rateLimit: { + limit: rateLimitResult.limit, + remaining: rateLimitResult.remaining - 1, + resetTime: rateLimitResult.resetTime + } + }, { + headers: { + 'X-RateLimit-Limit': rateLimitResult.limit.toString(), + 'X-RateLimit-Remaining': (rateLimitResult.remaining - 1).toString(), + 'X-RateLimit-Reset': rateLimitResult.resetTime.toString() + } + }); + + } catch (error) { + console.error('Ping API error:', error); + + return NextResponse.json({ + error: 'Internal server error', + message: 'An error occurred while processing the ping request' + }, { status: 500 }); + } +} + +export async function GET() { + return NextResponse.json({ + message: 'Ping API Service', + description: 'Send a POST request with a target IP or hostname to perform a ping test', + usage: { + method: 'POST', + body: { + target: 'IP address or hostname (required)', + count: 'Number of pings (1-10, default: 4)', + timeout: 'Timeout in milliseconds (1000-10000, default: 5000)' + } + }, + rateLimit: 'Maximum 10 requests per minute per IP address' + }); +} diff --git a/src/app/api/status/route.js b/src/app/api/status/route.js new file mode 100644 index 0000000..914919a --- /dev/null +++ b/src/app/api/status/route.js @@ -0,0 +1,69 @@ +import { NextResponse } from 'next/server'; +import { RateLimiter } from '../../../lib/rate-limiter'; + +// Crear instancia del rate limiter +const rateLimiter = new RateLimiter(); + +export async function GET(request) { + try { + // Obtener IP del cliente + const forwarded = request.headers.get('x-forwarded-for'); + const clientIP = forwarded + ? forwarded.split(',')[0].trim() + : request.headers.get('x-real-ip') || 'unknown'; + + // Obtener estadísticas del rate limiter para este cliente + const rateLimitStats = rateLimiter.getStats(clientIP); + + return NextResponse.json({ + service: 'API Ping Service', + version: '1.0.0', + status: 'operational', + timestamp: new Date().toISOString(), + uptime: process.uptime(), + clientInfo: { + ip: clientIP, + rateLimit: rateLimitStats + }, + features: { + maxPingsPerRequest: 10, + maxTimeout: 10000, + minTimeout: 1000, + supportedProtocols: ['ICMP'], + restrictions: [ + 'No private IP addresses', + 'No localhost addresses', + 'No reserved IP ranges', + 'Rate limited to 10 requests per minute' + ] + }, + endpoints: { + ping: { + path: '/api/ping', + method: 'POST', + description: 'Perform ping test to specified target', + parameters: { + target: 'IP address or hostname (required)', + count: 'Number of pings (1-10, default: 4)', + timeout: 'Timeout in milliseconds (1000-10000, default: 5000)' + } + }, + status: { + path: '/api/status', + method: 'GET', + description: 'Get service status and client information' + } + } + }); + + } catch (error) { + console.error('Status API error:', error); + + return NextResponse.json({ + service: 'API Ping Service', + status: 'error', + timestamp: new Date().toISOString(), + error: 'Internal server error' + }, { status: 500 }); + } +} diff --git a/src/app/components/CopyButton.js b/src/app/components/CopyButton.js new file mode 100644 index 0000000..7cc0f6f --- /dev/null +++ b/src/app/components/CopyButton.js @@ -0,0 +1,45 @@ +'use client'; + +import { useState } from 'react'; + +export default function CopyButton({ text, className = '' }) { + const [copied, setCopied] = useState(false); + + const handleCopy = async () => { + try { + await navigator.clipboard.writeText(text); + setCopied(true); + setTimeout(() => setCopied(false), 2000); + } catch (err) { + console.error('Failed to copy text: ', err); + } + }; + + return ( + + ); +} diff --git a/src/app/components/PingForm.js b/src/app/components/PingForm.js new file mode 100644 index 0000000..360ce77 --- /dev/null +++ b/src/app/components/PingForm.js @@ -0,0 +1,137 @@ +'use client'; + +import { useState } from 'react'; + +export default function PingForm({ onSubmit, isLoading, onCancel }) { + const [target, setTarget] = useState(''); + const [count, setCount] = useState(4); + const [timeout, setTimeout] = useState(5000); + + const handleSubmit = (e) => { + e.preventDefault(); + if (!target.trim()) return; + + onSubmit({ + target: target.trim(), + count: parseInt(count), + timeout: parseInt(timeout), + }); + }; + + const commonTargets = [ + { name: 'Google DNS', value: '8.8.8.8' }, + { name: 'Cloudflare DNS', value: '1.1.1.1' }, + { name: 'Google.com', value: 'google.com' }, + { name: 'GitHub.com', value: 'github.com' }, + ]; + + return ( +
+
+ + setTarget(e.target.value)} + placeholder="e.g., 8.8.8.8 or google.com" + className="w-full px-3 py-2 border border-gray-300 dark:border-gray-600 rounded-lg shadow-sm focus:outline-none focus:ring-2 focus:ring-blue-500 focus:border-blue-500 dark:bg-gray-700 dark:text-white" + required + disabled={isLoading} + /> + + {/* Quick Select Buttons */} +
+ Quick select: + {commonTargets.map((item) => ( + + ))} +
+
+ +
+
+ + +
+ +
+ + +
+
+ +
+ + + {isLoading && onCancel && ( + + )} +
+
+ ); +} diff --git a/src/app/components/PingInterface.js b/src/app/components/PingInterface.js new file mode 100644 index 0000000..088ee09 --- /dev/null +++ b/src/app/components/PingInterface.js @@ -0,0 +1,111 @@ +'use client'; + +import { useEffect } from 'react'; +import { usePingService } from '../../hooks/usePingService'; +import PingForm from './PingForm'; +import PingResults from './PingResults'; +import RateLimitInfo from './RateLimitInfo'; + +export default function PingInterface() { + const { + isLoading, + results, + error, + rateLimitInfo, + executePing, + cancelPing, + clearResults, + fetchStatus + } = usePingService(); + + // Cargar información inicial del estado al montar el componente + useEffect(() => { + fetchStatus(); + }, [fetchStatus]); + + return ( +
+ {/* Rate Limit Information */} + {rateLimitInfo && } + + {/* Ping Form */} +
+ +
+ + {/* Error Display */} + {error && ( +
+
+
+
+ + + +
+
+

+ Error +

+
+ {error} +
+
+
+ +
+
+ )} + + {/* Results Display */} + {results && ( +
+ +
+ +
+
+ )} + + {/* Usage Information */} +
+
+
+ + + +
+
+

+ Usage Guidelines +

+
    +
  • • Maximum 10 requests per minute per IP address
    • +
  • • Maximum 10 pings per request
    • +
  • • Timeout range: 1-10 seconds
    • +
  • • Private IPs and localhost are blocked for security
    • +
  • • Only public IP addresses and valid hostnames are allowed
    • +
+
+
+
+
+ ); +} diff --git a/src/app/components/PingResults.js b/src/app/components/PingResults.js new file mode 100644 index 0000000..8daa165 --- /dev/null +++ b/src/app/components/PingResults.js @@ -0,0 +1,176 @@ +'use client'; + +import CopyButton from './CopyButton'; + +export default function PingResults({ results }) { + const { target, timestamp, results: pingResults, statistics } = results; + + const formatTime = (time) => { + if (time === null || time === undefined) return 'N/A'; + return `${time}ms`; + }; + + const formatTimestamp = (isoString) => { + return new Date(isoString).toLocaleString(); + }; + + const getStatusColor = (alive) => { + return alive ? 'text-green-600 dark:text-green-400' : 'text-red-600 dark:text-red-400'; + }; + + const getStatusIcon = (alive) => { + if (alive) { + return ( + + + + ); + } else { + return ( + + + + ); + } + }; + + return ( +
+ {/* Header */} +
+

+ Ping Results for {target} +

+

+ Test completed at {formatTimestamp(timestamp)} +

+
+ + {/* Statistics Summary */} +
+
+
+
+ {statistics.packetsTransmitted} +
+
Sent
+
+
+
+ {statistics.packetsReceived} +
+
Received
+
+
+
0 ? 'text-red-600 dark:text-red-400' : 'text-green-600 dark:text-green-400'}`}> + {statistics.packetLoss}% +
+
Loss
+
+
+
+ {statistics.avg ? `${statistics.avg}ms` : 'N/A'} +
+
Avg Time
+
+
+ + {statistics.min !== null && statistics.max !== null && ( +
+ Min: {statistics.min}ms • Max: {statistics.max}ms • Total Time: {statistics.totalTime}ms +
+ )} +
+ + {/* Individual Ping Results */} +
+

+ Individual Ping Results +

+
+ {pingResults.map((result) => ( +
+
+ {getStatusIcon(result.alive)} + + Ping #{result.sequence} + + {result.host && result.host !== target && ( + + ({result.host}) + + )} +
+ +
+ + {result.alive ? 'Success' : 'Failed'} + + + {formatTime(result.time)} + +
+
+ ))} +
+
+ + {/* Raw Output (if available) */} + {pingResults.some(r => r.output) && ( +
+
+ +
+ + + + Show Raw Terminal Output + + {pingResults.filter(r => r.output).length} ping{pingResults.filter(r => r.output).length !== 1 ? 's' : ''} + +
+ r.output).map(r => `Ping #${r.sequence}:\n${r.output}`).join('\n\n')} + className="ml-2" + /> + +
+ {pingResults + .filter(r => r.output) + .map((r, index) => ( +
+
+
+
+
+
+
+
+ + Ping #{r.sequence} - {r.alive ? '✅ Success' : '❌ Failed'} + +
+
+ + {r.time ? `${r.time}ms` : 'No response'} + + +
+
+
+ 
+                        {r.output}
+
+
+
+ ))} +
+
+
+ )} +
+ ); +} diff --git a/src/app/components/RateLimitInfo.js b/src/app/components/RateLimitInfo.js new file mode 100644 index 0000000..29f0549 --- /dev/null +++ b/src/app/components/RateLimitInfo.js @@ -0,0 +1,116 @@ +'use client'; + +export default function RateLimitInfo({ rateLimitInfo }) { + const { limit, remaining, resetTime } = rateLimitInfo; + + const formatResetTime = (timestamp) => { + const resetDate = new Date(timestamp); + const now = new Date(); + const diffMs = resetDate - now; + + if (diffMs <= 0) { + return 'Now'; + } + + const diffSeconds = Math.ceil(diffMs / 1000); + + if (diffSeconds < 60) { + return `${diffSeconds}s`; + } + + const diffMinutes = Math.ceil(diffSeconds / 60); + return `${diffMinutes}m`; + }; + + const getStatusColor = () => { + const percentage = (remaining / limit) * 100; + + if (percentage > 50) { + return 'bg-green-500'; + } else if (percentage > 20) { + return 'bg-yellow-500'; + } else { + return 'bg-red-500'; + } + }; + + const getTextColor = () => { + const percentage = (remaining / limit) * 100; + + if (percentage > 50) { + return 'text-green-700 dark:text-green-300'; + } else if (percentage > 20) { + return 'text-yellow-700 dark:text-yellow-300'; + } else { + return 'text-red-700 dark:text-red-300'; + } + }; + + const getBorderColor = () => { + const percentage = (remaining / limit) * 100; + + if (percentage > 50) { + return 'border-green-200 dark:border-green-800'; + } else if (percentage > 20) { + return 'border-yellow-200 dark:border-yellow-800'; + } else { + return 'border-red-200 dark:border-red-800'; + } + }; + + const getBgColor = () => { + const percentage = (remaining / limit) * 100; + + if (percentage > 50) { + return 'bg-green-50 dark:bg-green-900/20'; + } else if (percentage > 20) { + return 'bg-yellow-50 dark:bg-yellow-900/20'; + } else { + return 'bg-red-50 dark:bg-red-900/20'; + } + }; + + return ( +
+
+

+ Rate Limit Status +

+ + Resets in {formatResetTime(resetTime)} + +
+ +
+
+
+ Requests remaining + {remaining} / {limit} +
+ +
+
+
+
+ +
+
+ {remaining} +
+
+ left +
+
+
+ + {remaining <= 2 && ( +
+ ⚠️ You're approaching the rate limit. Please wait before making more requests. +
+ )} +
+ ); +} diff --git a/src/app/page.js b/src/app/page.js index d0d0a6a..b9070c0 100644 --- a/src/app/page.js +++ b/src/app/page.js @@ -1,103 +1,27 @@ -import Image from "next/image"; +import PingInterface from './components/PingInterface'; export default function Home() { return ( -
-
- Next.js logo -
    -
  1. - Get started by editing{" "} - - src/app/page.js - - . -
    2. -
  2. - Save and see your changes instantly. -
    3. -
+
+
+
+

+ 🏓 API Ping Service +

+

+ Test network connectivity to any IP address or hostname with our secure ping service. + Rate limited for fair usage and designed with modern security practices. +

+
+ +
+ +
- -
- + +
); } diff --git a/src/hooks/usePingService.js b/src/hooks/usePingService.js new file mode 100644 index 0000000..85c8492 --- /dev/null +++ b/src/hooks/usePingService.js @@ -0,0 +1,108 @@ +import { useState, useCallback, useRef } from 'react'; + +export function usePingService() { + const [isLoading, setIsLoading] = useState(false); + const [results, setResults] = useState(null); + const [error, setError] = useState(null); + const [rateLimitInfo, setRateLimitInfo] = useState(null); + const abortControllerRef = useRef(null); + + const executePing = useCallback(async (formData) => { + // Cancelar request anterior si existe + if (abortControllerRef.current) { + abortControllerRef.current.abort(); + } + + // Crear nuevo AbortController + abortControllerRef.current = new AbortController(); + + setIsLoading(true); + setError(null); + setResults(null); + + try { + const response = await fetch('/api/ping', { + method: 'POST', + headers: { + 'Content-Type': 'application/json', + }, + body: JSON.stringify(formData), + signal: abortControllerRef.current.signal, + }); + + const data = await response.json(); + + // Actualizar información de rate limit desde headers + if (response.headers.get('X-RateLimit-Limit')) { + setRateLimitInfo({ + limit: parseInt(response.headers.get('X-RateLimit-Limit')), + remaining: parseInt(response.headers.get('X-RateLimit-Remaining')), + resetTime: parseInt(response.headers.get('X-RateLimit-Reset')), + }); + } + + if (!response.ok) { + throw new Error(data.message || `HTTP ${response.status}: ${response.statusText}`); + } + + setResults(data); + + // Actualizar rate limit info desde la respuesta si está disponible + if (data.rateLimit) { + setRateLimitInfo(data.rateLimit); + } + + } catch (err) { + // No mostrar error si fue cancelado + if (err.name !== 'AbortError') { + setError(err.message); + } + } finally { + setIsLoading(false); + abortControllerRef.current = null; + } + }, []); + + const cancelPing = useCallback(() => { + if (abortControllerRef.current) { + abortControllerRef.current.abort(); + abortControllerRef.current = null; + setIsLoading(false); + } + }, []); + + const clearResults = useCallback(() => { + setResults(null); + setError(null); + }, []); + + const fetchStatus = useCallback(async () => { + try { + const response = await fetch('/api/status'); + const data = await response.json(); + + if (data.clientInfo?.rateLimit) { + setRateLimitInfo(data.clientInfo.rateLimit); + } + + return data; + } catch (err) { + console.error('Failed to fetch status:', err); + return null; + } + }, []); + + return { + // Estado + isLoading, + results, + error, + rateLimitInfo, + + // Acciones + executePing, + cancelPing, + clearResults, + fetchStatus, + }; +} diff --git a/src/lib/config.js b/src/lib/config.js new file mode 100644 index 0000000..8fa09fc --- /dev/null +++ b/src/lib/config.js @@ -0,0 +1,119 @@ +// Configuración del servicio de ping +export const PING_CONFIG = { + // Rate limiting + RATE_LIMIT: { + MAX_REQUESTS: parseInt(process.env.RATE_LIMIT_MAX) || 10, + WINDOW_MS: parseInt(process.env.RATE_LIMIT_WINDOW_MS) || 60 * 1000, // 1 minuto + }, + + // Límites de ping + PING_LIMITS: { + MAX_COUNT: parseInt(process.env.PING_MAX_COUNT) || 10, + MIN_COUNT: 1, + MAX_TIMEOUT: parseInt(process.env.PING_MAX_TIMEOUT) || 10000, // 10 segundos + MIN_TIMEOUT: 1000, // 1 segundo + DEFAULT_COUNT: 4, + DEFAULT_TIMEOUT: 5000, // 5 segundos + }, + + // Configuración de seguridad + SECURITY: { + BLOCK_PRIVATE_IPS: true, + BLOCK_LOCALHOST: true, + BLOCK_RESERVED_RANGES: true, + ALLOWED_PROTOCOLS: ['ICMP'], + }, + + // Configuración de red + NETWORK: { + MAX_CONCURRENT_PINGS: 5, + PING_INTERVAL_MS: 1000, // Intervalo entre pings individuales + MAX_HOSTNAME_LENGTH: 253, + MAX_LABEL_LENGTH: 63, + }, + + // Headers de respuesta + HEADERS: { + INCLUDE_RATE_LIMIT_HEADERS: true, + INCLUDE_SECURITY_HEADERS: true, + CORS_ENABLED: true, + }, + + // Logging y debugging + DEBUG: { + LOG_REQUESTS: process.env.NODE_ENV === 'development', + LOG_RATE_LIMITS: process.env.NODE_ENV === 'development', + INCLUDE_RAW_OUTPUT: true, + } +}; + +// Validador de configuración +export function validateConfig() { + const errors = []; + + if (PING_CONFIG.RATE_LIMIT.MAX_REQUESTS <= 0) { + errors.push('MAX_REQUESTS must be greater than 0'); + } + + if (PING_CONFIG.PING_LIMITS.MAX_COUNT > 50) { + errors.push('MAX_COUNT should not exceed 50 for performance reasons'); + } + + if (PING_CONFIG.PING_LIMITS.MAX_TIMEOUT > 30000) { + errors.push('MAX_TIMEOUT should not exceed 30 seconds'); + } + + if (errors.length > 0) { + throw new Error(`Configuration validation failed: ${errors.join(', ')}`); + } + + return true; +} + +// Configuración específica por entorno +export function getEnvironmentConfig() { + const env = process.env.NODE_ENV || 'development'; + + const envConfigs = { + development: { + RATE_LIMIT: { + MAX_REQUESTS: 20, // Más permisivo en desarrollo + WINDOW_MS: 60 * 1000, + }, + DEBUG: { + LOG_REQUESTS: true, + LOG_RATE_LIMITS: true, + INCLUDE_RAW_OUTPUT: true, + } + }, + + production: { + RATE_LIMIT: { + MAX_REQUESTS: 10, // Más restrictivo en producción + WINDOW_MS: 60 * 1000, + }, + DEBUG: { + LOG_REQUESTS: false, + LOG_RATE_LIMITS: false, + INCLUDE_RAW_OUTPUT: false, + } + }, + + test: { + RATE_LIMIT: { + MAX_REQUESTS: 100, // Sin límites en tests + WINDOW_MS: 60 * 1000, + }, + DEBUG: { + LOG_REQUESTS: false, + LOG_RATE_LIMITS: false, + INCLUDE_RAW_OUTPUT: false, + } + } + }; + + return { + ...PING_CONFIG, + ...envConfigs[env] + }; +} diff --git a/src/lib/rate-limiter.js b/src/lib/rate-limiter.js new file mode 100644 index 0000000..5726b50 --- /dev/null +++ b/src/lib/rate-limiter.js @@ -0,0 +1,100 @@ +import NodeCache from 'node-cache'; +import { PING_CONFIG } from './config.js'; + +export class RateLimiter { + constructor(options = {}) { + // Usar configuración por defecto o personalizada + this.limit = options.limit || PING_CONFIG.RATE_LIMIT.MAX_REQUESTS; + this.windowMs = options.windowMs || PING_CONFIG.RATE_LIMIT.WINDOW_MS; + + // Cache con TTL automático + this.cache = new NodeCache({ + stdTTL: this.windowMs / 1000, + checkperiod: 60 // revisar cada 60 segundos + }); + } + + async checkLimit(identifier) { + const key = `rate_limit:${identifier}`; + const now = Date.now(); + const windowStart = now - this.windowMs; + + // Obtener datos actuales del cache + let data = this.cache.get(key) || { + requests: [], + resetTime: now + this.windowMs + }; + + // Filtrar requests dentro de la ventana de tiempo + data.requests = data.requests.filter(timestamp => timestamp > windowStart); + + // Verificar si se excede el límite + const requestCount = data.requests.length; + const allowed = requestCount < this.limit; + + if (allowed) { + // Agregar la nueva request + data.requests.push(now); + + // Si es la primera request en esta ventana, actualizar resetTime + if (data.requests.length === 1) { + data.resetTime = now + this.windowMs; + } + + // Guardar en cache + this.cache.set(key, data, this.windowMs / 1000); + } + + return { + allowed, + limit: this.limit, + remaining: Math.max(0, this.limit - requestCount - (allowed ? 1 : 0)), + resetTime: data.resetTime, + requestCount: requestCount + (allowed ? 1 : 0) + }; + } + + // Método para obtener estadísticas de un cliente + getStats(identifier) { + const key = `rate_limit:${identifier}`; + const data = this.cache.get(key); + + if (!data) { + return { + limit: this.limit, + remaining: this.limit, + requestCount: 0, + resetTime: Date.now() + this.windowMs + }; + } + + const now = Date.now(); + const windowStart = now - this.windowMs; + const validRequests = data.requests.filter(timestamp => timestamp > windowStart); + + return { + limit: this.limit, + remaining: Math.max(0, this.limit - validRequests.length), + requestCount: validRequests.length, + resetTime: data.resetTime + }; + } + + // Método para limpiar el cache manualmente + clear() { + this.cache.flushAll(); + } + + // Método para obtener todas las estadísticas (útil para debugging) + getAllStats() { + const keys = this.cache.keys(); + const stats = {}; + + keys.forEach(key => { + const identifier = key.replace('rate_limit:', ''); + stats[identifier] = this.getStats(identifier); + }); + + return stats; + } +} diff --git a/src/lib/validators.js b/src/lib/validators.js new file mode 100644 index 0000000..147c5b0 --- /dev/null +++ b/src/lib/validators.js @@ -0,0 +1,149 @@ +import ipRegex from 'ip-regex'; + +export function validateIP(target) { + if (!target || typeof target !== 'string') { + return { + valid: false, + message: 'Target must be a valid string' + }; + } + + // Limpiar espacios en blanco + const cleanTarget = target.trim(); + + if (cleanTarget.length === 0) { + return { + valid: false, + message: 'Target cannot be empty' + }; + } + + // Verificar si es una IP válida (IPv4 o IPv6) + if (ipRegex().test(cleanTarget)) { + // Validaciones adicionales para IPs + if (isPrivateOrReservedIP(cleanTarget)) { + return { + valid: false, + message: 'Private, loopback, or reserved IP addresses are not allowed' + }; + } + + return { + valid: true, + type: 'ip', + message: 'Valid IP address' + }; + } + + // Si no es IP, verificar si es un hostname válido + if (isValidHostname(cleanTarget)) { + // Verificar que no sea localhost o dominios locales + if (isLocalHostname(cleanTarget)) { + return { + valid: false, + message: 'Local hostnames are not allowed' + }; + } + + return { + valid: true, + type: 'hostname', + message: 'Valid hostname' + }; + } + + return { + valid: false, + message: 'Invalid IP address or hostname format' + }; +} + +function isPrivateOrReservedIP(ip) { + // Rangos de IPs privadas y reservadas que no deberíamos permitir + const privateRanges = [ + /^127\./, // Loopback + /^10\./, // Private class A + /^172\.(1[6-9]|2[0-9]|3[01])\./, // Private class B + /^192\.168\./, // Private class C + /^169\.254\./, // Link-local + /^224\./, // Multicast + /^0\./, // Reserved + /^255\./, // Broadcast + /^::1$/, // IPv6 loopback + /^fe80:/, // IPv6 link-local + /^fc00:/, // IPv6 private + /^fd00:/ // IPv6 private + ]; + + return privateRanges.some(range => range.test(ip)); +} + +function isValidHostname(hostname) { + // Verificar longitud + if (hostname.length > 253) { + return false; + } + + // Patrón para hostname válido (RFC 1123) + const hostnameRegex = /^[a-z0-9]([a-z0-9-]{0,61}[a-z0-9])?(\.[a-z0-9]([a-z0-9-]{0,61}[a-z0-9])?)*$/i; + + if (!hostnameRegex.test(hostname)) { + return false; + } + + // Verificar que no termine con punto + if (hostname.endsWith('.')) { + return false; + } + + // Verificar que cada parte del hostname no sea demasiado larga + const parts = hostname.split('.'); + return parts.every(part => part.length <= 63 && part.length > 0); +} + +function isLocalHostname(hostname) { + const localHostnames = [ + 'localhost', + 'localhost.localdomain', + 'local', + 'internal', + 'intranet' + ]; + + const lowerHostname = hostname.toLowerCase(); + + // Verificar hostnames exactos + if (localHostnames.includes(lowerHostname)) { + return true; + } + + // Verificar dominios .local + if (lowerHostname.endsWith('.local')) { + return true; + } + + // Verificar si termina en .localhost + if (lowerHostname.endsWith('.localhost')) { + return true; + } + + return false; +} + +export function sanitizeTarget(target) { + if (typeof target !== 'string') { + return ''; + } + + return target.trim().toLowerCase(); +} + +export function isValidTimeout(timeout) { + const timeoutNum = parseInt(timeout); + return !isNaN(timeoutNum) && timeoutNum >= 1000 && timeoutNum <= 30000; +} + +export function isValidCount(count) { + const countNum = parseInt(count); + return !isNaN(countNum) && countNum >= 1 && countNum <= 10; +} diff --git a/src/middleware.js b/src/middleware.js new file mode 100644 index 0000000..71664aa --- /dev/null +++ b/src/middleware.js @@ -0,0 +1,38 @@ +import { NextResponse } from 'next/server'; + +export function middleware(request) { + // Crear la respuesta + const response = NextResponse.next(); + + // Agregar headers de seguridad + response.headers.set('X-Content-Type-Options', 'nosniff'); + response.headers.set('X-Frame-Options', 'DENY'); + response.headers.set('X-XSS-Protection', '1; mode=block'); + response.headers.set('Referrer-Policy', 'strict-origin-when-cross-origin'); + + // Headers específicos para API + if (request.nextUrl.pathname.startsWith('/api/')) { + response.headers.set('Access-Control-Allow-Origin', '*'); + response.headers.set('Access-Control-Allow-Methods', 'GET, POST, OPTIONS'); + response.headers.set('Access-Control-Allow-Headers', 'Content-Type'); + + // Manejar preflight requests + if (request.method === 'OPTIONS') { + return new Response(null, { status: 200, headers: response.headers }); + } + } + + return response; +} + +export const config = { + matcher: [ + /* + * Match all request paths except for the ones starting with: + * - _next/static (static files) + * - _next/image (image optimization files) + * - favicon.ico (favicon file) + */ + '/((?!_next/static|_next/image|favicon.ico).*)', + ], +};