n8n-MCP

"use strict"; var __importDefault = (this && this.__importDefault) || function (mod) { return (mod && mod.__esModule) ? mod : { "default": mod }; }; Object.defineProperty(exports, "__esModule", { value: true }); exports.AuthManager = void 0; const crypto_1 = __importDefault(require("crypto")); class AuthManager { constructor() { this.validTokens = new Set(); this.tokenExpiry = new Map(); } validateToken(token, expectedToken) { if (!expectedToken) { return true; } if (!token) { return false; } if (AuthManager.timingSafeCompare(token, expectedToken)) { return true; } if (this.validTokens.has(token)) { const expiry = this.tokenExpiry.get(token); if (expiry && expiry > Date.now()) { return true; } else { this.validTokens.delete(token); this.tokenExpiry.delete(token); return false; } } return false; } generateToken(expiryHours = 24) { const token = crypto_1.default.randomBytes(32).toString('hex'); const expiryTime = Date.now() + (expiryHours * 60 * 60 * 1000); this.validTokens.add(token); this.tokenExpiry.set(token, expiryTime); this.cleanupExpiredTokens(); return token; } revokeToken(token) { this.validTokens.delete(token); this.tokenExpiry.delete(token); } cleanupExpiredTokens() { const now = Date.now(); for (const [token, expiry] of this.tokenExpiry.entries()) { if (expiry <= now) { this.validTokens.delete(token); this.tokenExpiry.delete(token); } } } static hashToken(token) { return crypto_1.default.createHash('sha256').update(token).digest('hex'); } static compareTokens(plainToken, hashedToken) { const hashedPlainToken = AuthManager.hashToken(plainToken); return crypto_1.default.timingSafeEqual(Buffer.from(hashedPlainToken), Buffer.from(hashedToken)); } static timingSafeCompare(plainToken, expectedToken) { try { if (!plainToken || !expectedToken) { return false; } const plainBuffer = Buffer.from(plainToken, 'utf8'); const expectedBuffer = Buffer.from(expectedToken, 'utf8'); if (plainBuffer.length !== expectedBuffer.length) { return false; } return crypto_1.default.timingSafeEqual(plainBuffer, expectedBuffer); } catch (error) { return false; } } } exports.AuthManager = AuthManager; //# sourceMappingURL=auth.js.map