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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 | /** * Service SSL Checker — Verifie l'expiration des certificats HTTPS. * * Fonctionnalites : * - Connexion TLS directe pour recuperer les infos du certificat * - Check periodique toutes les 60 minutes * - Detection des statuts : valid, expiring, expired, error * - Alertes webhook quand un certificat expire bientot ou est expire * - Nettoyage automatique de l'historique selon le plan utilisateur * * @module services/sslChecker */ const tls = require('node:tls'); const { pool: db } = require('../db'); const { notify } = require('./webhookNotifier'); const { getPlanLimits } = require('../config/plans'); const CHECK_INTERVAL_MS = 60 * 60 * 1000; // 1 heure const CLEANUP_INTERVAL_MS = 24 * 60 * 60 * 1000; // 1 jour const TLS_TIMEOUT_MS = 10000; const ALERT_COOLDOWN_MS = 12 * 60 * 60 * 1000; // 12h entre alertes identiques // Cooldown par certificat pour eviter le spam d'alertes const lastAlertTime = new Map(); /** * Recupere les informations du certificat TLS d'un domaine. * * @param {string} domain — Le domaine a verifier * @param {number} port — Le port TLS (443 par defaut) * @returns {Promise<{issuer: string, subject: string, validFrom: Date, validTo: Date}>} */ function fetchCertificateInfo(domain, port = 443) { return new Promise((resolve, reject) => { const socket = tls.connect( { host: domain, port, servername: domain, rejectUnauthorized: false, // Accepter meme les certs expires pour les inspecter timeout: TLS_TIMEOUT_MS, }, () => { const cert = socket.getPeerCertificate(); socket.destroy(); if (!cert?.valid_to) { reject(new Error('Aucun certificat recu.')); return; } resolve({ issuer: cert.issuer ? formatDN(cert.issuer) : 'Inconnu', subject: cert.subject ? formatDN(cert.subject) : domain, validFrom: new Date(cert.valid_from), validTo: new Date(cert.valid_to), }); }, ); socket.on('timeout', () => { socket.destroy(); reject(new Error('Connexion TLS timeout.')); }); socket.on('error', (err) => { socket.destroy(); reject(new Error(`Erreur TLS : ${err.message}`)); }); }); } /** * Formate un Distinguished Name (DN) en chaine lisible. * @param {Object} dn * @returns {string} */ function formatDN(dn) { if (typeof dn === 'string') return dn; const parts = []; if (dn.O) parts.push(dn.O); if (dn.CN) parts.push(dn.CN); return parts.join(' - ') || JSON.stringify(dn); } /** * Calcule le nombre de jours restants avant expiration. * @param {Date} validTo * @returns {number} */ function daysRemaining(validTo) { const now = Date.now(); const diff = validTo.getTime() - now; return Math.floor(diff / (1000 * 60 * 60 * 24)); } /** * Determine le statut du certificat. * @param {number} days — Jours restants * @param {number} alertDays — Seuil d'alerte * @returns {'valid' | 'expiring' | 'expired'} */ function classifyStatus(days, alertDays) { if (days <= 0) return 'expired'; if (days <= alertDays) return 'expiring'; return 'valid'; } /** * Verifie un certificat individuel et met a jour la base. * @param {Object} cert — Ligne de la table ssl_certificates */ /** * Enregistre le resultat d'un check en base (certificat + historique). */ async function persistCheckResult(cert, info, status, days) { await db.query( `UPDATE ssl_certificates SET issuer = $1, subject = $2, valid_from = $3, valid_to = $4, last_check = NOW(), last_status = $5, last_error = NULL WHERE id = $6`, [info.issuer, info.subject, info.validFrom, info.validTo, status, cert.id], ); await db.query( `INSERT INTO ssl_check_history (certificate_id, status, days_remaining) VALUES ($1, $2, $3)`, [cert.id, status, days], ); } /** * Envoie une alerte de recovery si le certificat vient d'etre renouvele. */ async function handleRecovery(cert, info, days) { const ALERT_STATUSES = ['expiring', 'expired', 'error']; const wasInAlert = ALERT_STATUSES.includes(cert.last_status); if (!wasInAlert) return; await notify(cert.user_id, 'ssl_recovery', { title: `Certificat SSL renouvele : ${cert.domain}`, message: `Le certificat de ${cert.domain}:${cert.port} est a nouveau valide (${days} jours restants).`, fields: [ { name: 'Domaine', value: cert.domain, inline: true }, { name: 'Jours restants', value: `${days}`, inline: true }, { name: 'Emetteur', value: info.issuer, inline: true }, ], }); console.log(`[ssl] RECOVERY: ${cert.domain} — certificat renouvele, ${days} jours restants`); } /** * Envoie une alerte si le certificat expire bientot ou est expire (avec cooldown). */ async function handleExpiryAlert(cert, info, status, days) { const now = Date.now(); const lastAlert = lastAlertTime.get(cert.id) || 0; if (now - lastAlert <= ALERT_COOLDOWN_MS) return; lastAlertTime.set(cert.id, now); const event = status === 'expired' ? 'ssl_expired' : 'ssl_expiring'; const pluralS = days > 1 ? 's' : ''; const title = status === 'expired' ? `Certificat SSL expire : ${cert.domain}` : `Certificat SSL expire dans ${days} jour${pluralS} : ${cert.domain}`; const expiryInfo = status === 'expired' ? 'est expire' : 'expire le ' + info.validTo.toLocaleDateString('fr-FR'); await notify(cert.user_id, event, { title, message: `Le certificat de ${cert.domain}:${cert.port} ${expiryInfo}.`, fields: [ { name: 'Domaine', value: cert.domain, inline: true }, { name: 'Jours restants', value: `${days}`, inline: true }, { name: 'Emetteur', value: info.issuer, inline: true }, ], }); console.log(`[ssl] ALERTE ${status.toUpperCase()}: ${cert.domain} — ${days} jours restants`); } /** * Enregistre une erreur TLS en base. */ async function persistCheckError(cert, errMessage) { await db.query( `UPDATE ssl_certificates SET last_check = NOW(), last_status = 'error', last_error = $1 WHERE id = $2`, [errMessage, cert.id], ); await db.query( `INSERT INTO ssl_check_history (certificate_id, status, error) VALUES ($1, 'error', $2)`, [cert.id, errMessage], ); } async function checkCertificate(cert) { try { const info = await fetchCertificateInfo(cert.domain, cert.port); const days = daysRemaining(info.validTo); const status = classifyStatus(days, cert.alert_days); await persistCheckResult(cert, info, status, days); if (status === 'valid') { await handleRecovery(cert, info, days); } else { await handleExpiryAlert(cert, info, status, days); } } catch (err) { await persistCheckError(cert, err.message); console.error(`[ssl] Erreur check ${cert.domain}:`, err.message); } } /** * Verifie tous les certificats actifs. */ async function checkAll() { try { const { rows: certs } = await db.query( `SELECT sc.*, u.plan FROM ssl_certificates sc JOIN users u ON u.id = sc.user_id WHERE sc.enabled = TRUE`, ); for (const cert of certs) { // Verifier que le plan autorise les alertes SSL const limits = await getPlanLimits(cert.plan || 'free'); if (!limits.ssl_alerts) continue; await checkCertificate(cert); } } catch (err) { console.error('[ssl] Erreur lors du check global :', err.message); } } /** * Nettoie l'historique des checks selon la retention du plan utilisateur. */ async function cleanup() { try { const { rows: users } = await db.query( `SELECT DISTINCT u.id, u.plan FROM users u JOIN ssl_certificates c ON c.user_id = u.id`, ); let totalDeleted = 0; for (const user of users) { const limits = await getPlanLimits(user.plan || 'free'); const retentionDays = limits.ssl_retention_days; if (retentionDays === Infinity) continue; const result = await db.query( `DELETE FROM ssl_check_history WHERE certificate_id IN (SELECT id FROM ssl_certificates WHERE user_id = $1) AND created_at < NOW() - INTERVAL '1 day' * $2`, [user.id, retentionDays], ); totalDeleted += result.rowCount; } if (totalDeleted > 0) { console.log(`[ssl] Nettoyage par plan : ${totalDeleted} enregistrements supprimes`); } } catch (err) { console.error('[ssl] Erreur cleanup :', err.message); } } /** * Verifie un seul domaine a la demande (pour l'ajout ou le check manuel). * * @param {string} domain * @param {number} port * @returns {Promise<{issuer: string, subject: string, validFrom: Date, validTo: Date, daysRemaining: number, status: string}>} */ async function checkDomain(domain, port = 443) { const info = await fetchCertificateInfo(domain, port); const days = daysRemaining(info.validTo); return { ...info, daysRemaining: days, status: classifyStatus(days, 30), }; } /** * Demarre le checker SSL periodique. */ function startSslChecker() { console.log('[ssl] Demarrage du monitoring SSL (check toutes les heures)'); setInterval(checkAll, CHECK_INTERVAL_MS); setInterval(cleanup, CLEANUP_INTERVAL_MS); // Premier check apres 30 secondes (laisser le temps aux connexions DB) setTimeout(checkAll, 30000); } module.exports = { startSslChecker, checkDomain, fetchCertificateInfo, classifyStatus, daysRemaining }; |