mirror of
https://github.com/arthur-pbty/reducelink.git
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Puechberty Arthur
144 lines
3.4 KiB
TypeScript
144 lines
3.4 KiB
TypeScript
// Utilitaires pour la validation et génération de liens
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import { customAlphabet } from 'nanoid'
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// Alphabet pour les alias aléatoires (sans caractères ambigus)
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const alphabet = 'abcdefghijkmnopqrstuvwxyzABCDEFGHJKLMNPQRSTUVWXYZ23456789'
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const nanoid = customAlphabet(alphabet, 6)
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/**
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* Génère un alias aléatoire unique
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*/
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export function generateRandomAlias(): string {
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return nanoid()
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}
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/**
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* Valide et nettoie un alias personnalisé
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*/
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export function sanitizeAlias(alias: string): string {
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return alias
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.toLowerCase()
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.trim()
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.replace(/[^a-z0-9-_]/g, '')
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.slice(0, 50)
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}
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/**
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* Valide une URL
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*/
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export function isValidUrl(url: string): boolean {
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try {
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const parsed = new URL(url)
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return ['http:', 'https:'].includes(parsed.protocol)
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} catch {
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return false
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}
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}
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/**
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* Extrait le domaine d'une URL
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*/
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export function extractDomain(url: string): string {
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try {
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const parsed = new URL(url)
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return parsed.hostname
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} catch {
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return ''
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}
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}
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/**
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* Génère l'URL du favicon pour un domaine
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*/
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export function getFaviconUrl(url: string): string {
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const domain = extractDomain(url)
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if (!domain) return ''
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return `https://www.google.com/s2/favicons?domain=${domain}&sz=64`
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}
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/**
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* Vérifie si un alias est réservé (routes du site)
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*/
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export function isReservedAlias(alias: string): boolean {
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const reserved = [
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'liens',
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'stats',
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'a-propos',
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'conditions',
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'api',
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'admin',
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'_next',
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'favicon.ico',
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'robots.txt',
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'sitemap.xml',
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]
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return reserved.includes(alias.toLowerCase())
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}
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/**
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* Détecte les liens potentiellement suspects
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*/
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export function isSuspiciousUrl(url: string): { suspicious: boolean; reason?: string } {
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const suspiciousPatterns = [
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{ pattern: /bit\.ly|tinyurl|goo\.gl|t\.co/i, reason: 'Lien déjà raccourci' },
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{ pattern: /\.(exe|bat|cmd|msi|dll)$/i, reason: 'Fichier exécutable' },
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{ pattern: /javascript:/i, reason: 'Script JavaScript' },
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{ pattern: /data:/i, reason: 'URL data' },
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]
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for (const { pattern, reason } of suspiciousPatterns) {
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if (pattern.test(url)) {
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return { suspicious: true, reason }
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}
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}
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return { suspicious: false }
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}
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/**
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* Formate un nombre avec des séparateurs de milliers
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*/
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export function formatNumber(num: number): string {
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return new Intl.NumberFormat('fr-FR').format(num)
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}
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/**
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* Formate une date en français
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*/
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export function formatDate(date: Date): string {
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return new Intl.DateTimeFormat('fr-FR', {
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day: 'numeric',
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month: 'long',
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year: 'numeric',
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}).format(new Date(date))
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}
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/**
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* Formate une date relative
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*/
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export function formatRelativeDate(date: Date): string {
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const now = new Date()
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const diff = now.getTime() - new Date(date).getTime()
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const days = Math.floor(diff / (1000 * 60 * 60 * 24))
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if (days === 0) return "Aujourd'hui"
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if (days === 1) return 'Hier'
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if (days < 7) return `Il y a ${days} jours`
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if (days < 30) return `Il y a ${Math.floor(days / 7)} semaine${Math.floor(days / 7) > 1 ? 's' : ''}`
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if (days < 365) return `Il y a ${Math.floor(days / 30)} mois`
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return `Il y a ${Math.floor(days / 365)} an${Math.floor(days / 365) > 1 ? 's' : ''}`
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}
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/**
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* Base URL du site
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*/
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export const BASE_URL = process.env.NEXT_PUBLIC_BASE_URL || 'https://reducelink.arthurp.fr'
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/**
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* Génère l'URL raccourcie complète
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*/
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export function getShortUrl(shortCode: string): string {
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return `${BASE_URL}/${shortCode}`
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}
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