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import { sso } from "@better-auth/sso"; import { ENABLE_CAPTCHA, ENABLE_ENHANCED_2FA, ENABLE_MULTI_SESSION, ENABLE_SSO } from "@snapback/config"; import { getBaseUrl } from "@snapback/config/server"; // Use centralized config import { logger } from "@snapback/infrastructure"; import { send as sendEmail } from "@snapback/integrations/email"; import { combinedSchema, db } from "@snapback/platform"; import { betterAuth } from "better-auth"; import { drizzleAdapter } from "better-auth/adapters/drizzle"; import { admin, apiKey, bearer, captcha, deviceAuthorization, haveIBeenPwned, jwt, magicLink, multiSession, openAPI, organization, twoFactor, username, } from "better-auth/plugins"; import { parse as parseCookies } from "cookie"; import { nanoid } from "nanoid"; import { trackEvent } from "./lib/audit"; import { ac, admin as adminRole, member as memberRole, owner as ownerRole } from "./lib/organization-permissions"; import { invitationOnlyPlugin } from "./plugins/invitation-only/index"; const _getLocaleFromRequest = (request?: Request) => { const cookies = parseCookies(request?.headers.get("cookie") ?? ""); return cookies.NEXT_LOCALE ?? "en"; }; // Frontend app URL (for OAuth redirects and CORS) // Access process.env directly for Vercel compatibility (t3-env wrapper issue) const appUrl = process.env.APP_URL || getBaseUrl(); // Better Auth base URL (where auth endpoints are served) // CRITICAL: Auth routes are in the WEB app, NOT the API server! // - Web app: Has /api/auth/* routes (this is where Better Auth runs) // - API server: Backend API only, no auth routes // // Priority: BETTER_AUTH_URL (explicit) > APP_URL > fallback // In dev: BETTER_AUTH_URL should be :3000 (web app with auth routes) // APP_URL might be :3003 (API server - no auth routes) // // IMPORTANT: This must be set or Better Auth will log warnings // Access process.env directly for Vercel compatibility (t3-env wrapper issue) const authBaseUrl = process.env.BETTER_AUTH_URL || process.env.BETTER_AUTH_BASE_URL || process.env.APP_URL || `http://localhost:${process.env.PORT || 3000}`; // In development, trust all localhost ports to handle Next.js dynamic port assignment // Access process.env directly for Vercel compatibility (t3-env wrapper issue) // Detect local development regardless of NODE_ENV. // Doppler prd config sets NODE_ENV=production even when running locally, // so we also check if BETTER_AUTH_URL is a localhost URL. const isLocalDev = (process.env.BETTER_AUTH_URL || "").includes("localhost"); const isDevelopment = process.env.NODE_ENV !== "production" || isLocalDev; const trustedOrigins = isDevelopment ? [ appUrl, authBaseUrl, "http://localhost:3000", "http://localhost:3001", "http://localhost:3002", "http://localhost:3003", ] : [appUrl, authBaseUrl].filter((url, index, arr) => arr.indexOf(url) === index); // ============================================================================ // Redis Secondary Storage Configuration // ============================================================================ /** * Initialize Redis client for Better Auth secondary storage * Used for distributed rate limiting and session caching * * Production Features: * - Exponential backoff with jitter (up to 20 retries) * - TCP keepalive (5s) to prevent silent drops * - Application-level ping (60s) to keep connection alive * - Key namespacing for auth data */ // Key prefix for auth-related Redis operations const AUTH_KEY_PREFIX = "auth:"; export let redisClient: any = null; export let redisAvailable = false; // Track reconnection attempts for metrics let authRedisReconnectAttempts = 0; async function initializeRedis() { // Access process.env directly for Vercel compatibility (t3-env wrapper issue) if (!process.env.REDIS_URL) { // Only log warning if not in MCP quiet mode if (process.env.MCP_QUIET !== "1") { logger.warn("REDIS_URL not configured - rate limiting will use database fallback"); } return; } try { // Dynamic import to handle optional redis dependency const redis = await import("redis").catch(() => null); if (!redis) { logger.warn("Redis module not available"); return; } // Validate REDIS_URL format before attempting connection const redisUrl = process.env.REDIS_URL!; // Non-null assertion safe - checked above if (!redisUrl.startsWith("redis://") && !redisUrl.startsWith("rediss://")) { logger.error("Invalid REDIS_URL format", { error: "REDIS_URL must start with 'redis://' or 'rediss://' protocol", example: "redis://localhost:6379", provided: `${redisUrl.split(":")[0]}:...`, // Only show protocol part }); redisAvailable = false; return; } // Production-ready Redis client configuration redisClient = redis.createClient({ url: redisUrl, socket: { // Connection timeout - how long to wait for initial connection connectTimeout: 10000, // 10s (increased from 5s) // TCP keepalive - prevents silent connection drops keepAlive: 5000, // 5s // Reconnection strategy with exponential backoff + jitter reconnectStrategy: (retries: number, cause: Error) => { // Don't reconnect on socket timeout - indicates a different issue // Check by error name since SocketTimeoutError isn't exported from redis if (cause?.name === "SocketTimeoutError" || cause?.message?.includes("socket timeout")) { logger.warn("Redis socket timeout for Better Auth - not reconnecting", { cause: cause?.message, }); return false; } // Track reconnection attempts authRedisReconnectAttempts++; // Give up after 20 retries (increased from 3) if (retries > 20) { logger.error("Redis max retries exceeded", { retries, cause: cause?.message }); return new Error("Max retries reached"); } // Exponential backoff with jitter // 100ms, 200ms, 400ms, 800ms, ... max 30s const baseDelay = Math.min(2 ** retries * 100, 30000); const jitter = Math.floor(Math.random() * 200); const delay = baseDelay + jitter; if (process.env.MCP_QUIET !== "1" && retries % 5 === 0) { logger.debug("Redis reconnecting for Better Auth", { retries, delay }); } return delay; }, }, // Application-level ping to keep connection alive pingInterval: 60000, // 60s }); redisClient.on("error", (err: Error) => { // Don't log ECONNRESET as warning - it's expected during reconnection if (err.message.includes("ECONNRESET") || err.message.includes("ECONNREFUSED")) { logger.debug("Redis connection error (will reconnect)", { error: err.message }); } else { logger.warn("Redis connection error", { error: err.message }); } redisAvailable = false; }); redisClient.on("connect", () => { if (process.env.MCP_QUIET !== "1") { logger.info("Redis connected for Better Auth secondary storage"); } redisAvailable = true; }); redisClient.on("ready", () => { // Reset reconnection counter on successful connection authRedisReconnectAttempts = 0; redisAvailable = true; }); redisClient.on("reconnecting", () => { if (process.env.MCP_QUIET !== "1") { logger.debug("Redis reconnecting for Better Auth..."); } }); await redisClient.connect(); redisAvailable = true; if (process.env.MCP_QUIET !== "1") { logger.info("✅ Better Auth Redis secondary storage initialized with production config"); } } catch (error) { logger.warn("Redis initialization failed - using database fallback", { error: error instanceof Error ? error.message : String(error), }); redisAvailable = false; } } /** * Get Redis reconnection attempt count for monitoring */ export function getAuthRedisReconnectAttempts(): number { return authRedisReconnectAttempts; } // Initialize Redis on module load initializeRedis().catch((err) => { logger.error("Failed to initialize Redis for Better Auth", { error: err instanceof Error ? err.message : String(err), }); }); const _auth = betterAuth({ // ✅ Base URL for callbacks and redirects (required by Better Auth) // Uses BETTER_AUTH_URL env var, falling back to localhost with PORT baseURL: authBaseUrl, // Extend the user schema with additional fields schema: { user: { fields: { onboardingComplete: { type: "boolean", required: false, defaultValue: false, }, deviceFingerprint: { type: "string", required: false, }, }, }, }, appName: "SnapBack", // ✅ SECURITY: Prevent account enumeration attacks // OWASP ASVS 2.2.1 - Don't reveal whether username exists disablePaths: ["/is-username-available"], endpoints: { GET: { "/health": { async handler() { return new Response("OK", { status: 200 }); }, }, }, }, emailAndPassword: { enabled: true, // Account lockout hooks are handled via middleware (see account-lockout.ts) // - incrementFailedAttempts() called on failed login // - resetFailedAttempts() called on successful login }, socialProviders: { // Only include social providers if credentials are configured // This prevents Better Auth from logging warnings that corrupt MCP stdio // Note: Access process.env directly for Vercel compatibility (t3-env wrapper issue) ...(process.env.GITHUB_CLIENT_ID && process.env.GITHUB_CLIENT_SECRET ? { github: { clientId: process.env.GITHUB_CLIENT_ID, clientSecret: process.env.GITHUB_CLIENT_SECRET, }, } : {}), ...(process.env.GOOGLE_CLIENT_ID && process.env.GOOGLE_CLIENT_SECRET ? { google: { clientId: process.env.GOOGLE_CLIENT_ID, clientSecret: process.env.GOOGLE_CLIENT_SECRET, }, } : {}), }, database: drizzleAdapter(db as any, { provider: "pg", schema: combinedSchema, }), session: { expiresIn: 60 * 60 * 24 * 7, // 7 days updateAge: 60 * 60 * 24, // 1 day // ✅ CRITICAL FIX: Always store sessions in DB so findSession() falls back // to the primary DB when Redis (secondaryStorage) is unavailable or misses. // Without this, a Redis miss in serverless (Vercel cold start, connection lag) // causes findSession to return null WITHOUT checking the DB, silently breaking // bearer token validation (CLI device auth, auto-provision API key). storeSessionInDatabase: true, // ✅ OPTIMIZATION: Cookie cache for 80% database load reduction // Note: When database/secondaryStorage is configured, we use cookieCache // WITHOUT refreshCache (which is only for stateless/DB-less setups) // The cache reduces DB queries by storing session data in signed cookies cookieCache: { enabled: true, maxAge: 5 * 60, // 5 minutes - short-lived, signed cookie strategy: "jwe", // Use JWE for encrypted session data (most secure) // refreshCache is intentionally NOT set here - it's for stateless setups only }, }, account: { accountLinking: { enabled: true, trustedProviders: ["google", "github"], }, }, trustedOrigins, // ✅ OPTIMIZATION: Redis secondary storage for distributed rate limiting // Uses a lazy wrapper so Redis connects asynchronously without blocking // betterAuth() initialization. Each call checks redisAvailable at runtime. secondaryStorage: { get: async (key: string) => { if (!redisAvailable || !redisClient) return null; try { return await redisClient.get(key); } catch (error) { logger.error("Redis get failed", { key, error }); return null; } }, set: async (key: string, value: string, ttl?: number) => { if (!redisAvailable || !redisClient) return; try { if (ttl) { await redisClient.set(key, value, { EX: ttl }); } else { await redisClient.set(key, value); } } catch (error) { logger.error("Redis set failed", { key, error }); } }, delete: async (key: string) => { if (!redisAvailable || !redisClient) return; try { await redisClient.del(key); } catch (error) { logger.error("Redis delete failed", { key, error }); } }, }, advanced: { // ✅ FIX: Use isDevelopment (not NODE_ENV) so Doppler prd config running locally // still gets dev-friendly cookie settings. isDevelopment checks BETTER_AUTH_URL // for localhost, which Doppler overrides correctly. useSecureCookies: !isDevelopment, crossSiteRequestForgery: { enabled: true, // Verify origin header matches trusted origins checkOrigin: true, }, // ✅ OPTIMIZATION: Explicit ID generation using nanoid database: { generateId: () => nanoid(), defaultFindManyLimit: 100, // Prevent unbounded queries experimentalJoins: false, // Disable experimental features in production }, // ✅ OPTIMIZATION: IP tracking configuration for security audit ipAddress: { ipAddressHeaders: [ "cf-connecting-ip", // Cloudflare (highest priority) "x-real-ip", // Nginx proxy "x-forwarded-for", // Standard proxy header "x-client-ip", ], disableIpTracking: false, // Enable IP tracking for security }, // ✅ OPTIMIZATION: Enhanced cookie configuration // ✅ FIX: Use isDevelopment consistently (not env.NODE_ENV === "production") // Doppler prd sets NODE_ENV=production even when running locally, which would // incorrectly set domain=".snapback.dev" on localhost cookies. crossSubDomainCookies: { enabled: !isDevelopment, domain: !isDevelopment ? ".snapback.dev" : undefined, }, defaultCookieAttributes: { sameSite: "lax", secure: !isDevelopment, httpOnly: true, path: "/", }, // ✅ FIX: OAuth state/pkce cookies need SameSite=None for cross-site redirects // See: https://github.com/better-auth/better-auth/issues/6483 // Note: In development (localhost), browsers allow SameSite=None without Secure cookies: { state: { name: "snapback.state", attributes: { sameSite: isDevelopment ? "lax" : "none", secure: !isDevelopment, httpOnly: true, path: "/", maxAge: 600, // 10 minutes (OAuth flow timeout) }, }, pkce: { name: "snapback.pkce", attributes: { sameSite: isDevelopment ? "lax" : "none", secure: !isDevelopment, httpOnly: true, path: "/", maxAge: 600, }, }, }, cookiePrefix: "snapback", // Namespace cookies }, // Rate limiting configuration (replaces 340+ lines of custom rate limit code) rateLimit: { window: 60, // 60 seconds max: 100, // 100 requests per window (global default) // ✅ OPTIMIZATION: Use Redis for distributed rate limiting via secondaryStorage. // secondaryStorage lazy-checks redisAvailable at runtime, so this is always safe. storage: "secondary-storage", customRules: { // Strict limits for authentication endpoints "/sign-in/email": { window: 10, // 10 seconds max: 3, // 3 attempts per 10 seconds (brute force protection) }, "/sign-in/social": { window: 10, max: 5, }, "/sign-up": { window: 60, max: 5, // 5 signups per minute }, "/password-reset": { window: 60, max: 3, // 3 reset attempts per minute }, // RFC 8628 Device Authorization - protect against brute-force of user codes "/device/*": { window: 60, max: isDevelopment ? 100 : 10, // Higher limit for local dev testing }, // Higher limits for normal API endpoints "/api/*": { window: 60, max: 500, }, // No rate limiting for health checks "/health": false, "/health/ready": false, "/health/live": false, }, }, // Use database hooks for audit logging (replaces 371 lines of custom auth-audit.ts) // Also includes rate limiting configuration (replaces 340+ lines of custom rate limit code) databaseHooks: { session: { create: { after: async (session: any) => { // Track session creation (indicates successful auth) await trackEvent("session.created", { userId: session.userId, }); // Also track auth.signin for returning users (session without new user) // This fires on every login (new session = successful signin) await trackEvent("auth.signin", { userId: session.userId, timestamp: new Date().toISOString(), }); // ✅ SECURITY: Session regeneration on login (prevents session fixation) // Invalidate any old sessions to prevent fixation attacks // OWASP A07:2021 - Session Fixation Prevention try { // Delete all previous sessions for this user EXCEPT the current one const { db } = await import("@snapback/platform"); const { sql } = await import("drizzle-orm"); if (db) { const result = await db.execute(sql` DELETE FROM session WHERE "userId" = ${session.userId} AND id != ${session.id} `); const rotatedCount = result.rowCount || 0; if (rotatedCount > 0) { logger.info("Session regenerated on login - old sessions invalidated", { userId: session.userId, sessionId: session.id, rotatedCount, }); await trackEvent("session.regenerated" as any, { userId: session.userId, reason: "login", rotatedCount, }); } } } catch (error) { // Don't fail login if session rotation fails logger.warn("Session regeneration failed on login", { userId: session.userId, error: error instanceof Error ? error.message : String(error), }); } // ✅ AUTO-SET ACTIVE ORG: If user has org but session doesn't have activeOrganizationId // This handles the race condition after signup where org is created but session doesn't know try { if (!session.activeOrganizationId) { const { db, combinedSchema } = await import("@snapback/platform"); const { sql } = await import("drizzle-orm"); if (db) { const { member, session: sessionTable } = combinedSchema; // Find user's first organization (they should have one from auto-provisioning) const membership = await db .select({ organizationId: member.organizationId }) .from(member) .where(sql`${member.userId} = ${session.userId}`) .orderBy(member.createdAt) .limit(1); if (membership.length > 0 && membership[0]?.organizationId) { // Set the active organization on this session await db .update(sessionTable) .set({ activeOrganizationId: membership[0].organizationId }) .where(sql`${sessionTable.id} = ${session.id}`); logger.info("Auto-set active organization for session", { userId: session.userId, sessionId: session.id, organizationId: membership[0].organizationId, }); } } } } catch (error) { // Don't fail session creation if auto-set fails logger.warn("Failed to auto-set active organization", { userId: session.userId, sessionId: session.id, error: error instanceof Error ? error.message : String(error), }); } }, }, delete: { after: async (session: any) => { // Track logout/session revocation await trackEvent("session.revoked", { userId: session.userId, }); // Also track auth.signout for analytics funnel await trackEvent("auth.signout", { userId: session.userId, timestamp: new Date().toISOString(), }); }, }, }, user: { create: { after: async (user: any) => { // Track new user signup await trackEvent("auth.signup", { userId: user.id, timestamp: new Date().toISOString(), }); // ✅ NEW: Auto-populate Pioneer profile on OAuth signup // This ensures every user automatically gets a Pioneer profile // with proper tier tracking and referral codes try { const { onOAuthSuccess } = await import("./lib/pioneer-oauth-hook"); await onOAuthSuccess(user); } catch (error) { // Don't fail auth flow if pioneer hook fails logger.error("Pioneer OAuth hook failed", { userId: user.id, error }); } // ✅ AUTO-ORG: Create personal organization for new user // This ensures every user has a billing context from day one. // Enterprise security: transaction-safe, audit-logged, XSS-sanitized. try { const { autoProvisionOrganization } = await import("./lib/auto-provision-organization"); const result = await autoProvisionOrganization(user); if (!result.success) { // Log but don't fail - user can create org manually logger.warn("Auto-org provisioning failed", { userId: user.id, error: result.error, }); } } catch (error) { // Don't fail auth flow if auto-org fails logger.error("Auto-org provisioning error", { userId: user.id, error }); } }, }, }, }, plugins: [ // ✅ CRITICAL: Bearer plugin enables getSession to validate Bearer tokens // Required for CLI device flow where access_token is passed via Authorization header // Without this, getSession only checks session cookies, not Bearer tokens bearer(), // ✅ RFC 8628 Device Authorization Grant Flow (for WSL, Remote SSH, Codespaces) deviceAuthorization({ // IMPORTANT: Must point to /link page on web app where users verify their device code // Better Auth uses baseURL to construct full URI, but baseURL might point to API // Users need to visit the web app to verify their device code verificationUri: `${appUrl}/link`, }), admin(), apiKey({ // ✅ CONSOLIDATED: Single source of truth for API key management // Replaces: KeysDb, apikeys-service, in-memory keys.ts // Key format: sk_live_[64 chars] or sk_test_[64 chars] defaultPrefix: "sk_live_", defaultKeyLength: 64, // Schema mapping - use our existing apiKeys table with snake_case columns schema: { apikey: { modelName: "apiKeys", fields: { // Map Better Auth field names to our Drizzle schema property names userId: "userId", name: "name", // Key display name key: "key", // Hashed key value start: "start", // First few chars for lookup prefix: "prefix", // Key prefix createdAt: "createdAt", updatedAt: "updatedAt", }, }, }, // Permissions model: { resource: [actions] } permissions: { defaultPermissions: { "snapback:analyze": ["read"], "snapback:snapshot": ["read", "write"], "snapback:context": ["read"], // MCP server tool access - enables API key usage with MCP protocol mcp: ["tools"], // API access levels api: ["read", "write"], // CLI operations cli: ["snapshots"], }, }, // Enable automatic session creation for API key-authenticated requests // This eliminates need for separate verifyApiKey + getSession calls enableSessionForAPIKeys: true, // Global rate limiting for all API keys rateLimit: { enabled: true, timeWindow: 86400000, // 1 day in milliseconds maxRequests: 10000, // Default quota per day }, // Enable metadata storage for additional key info enableMetadata: true, }), // ✅ LEVEL 4: JWT plugin with device-specific token issuance jwt({ issuer: appUrl, audience: ["vscode", "mcp", "cli"], expirationTime: 60 * 15, // 15 minutes for tool JWTs } as any), magicLink({ // SECURITY: Token expiration (default 5 min per Better Auth) // Links older than this are rejected expiresIn: 300, // 5 minutes async sendMagicLink({ email, url }) { await sendEmail({ to: email, subject: "Sign in to SnapBack", text: `Click the link to sign in: ${url}`, html: `<p>Click the link to sign in: <a href="${url}">${url}</a></p>`, }); }, }), openAPI(), // ✅ OPTIMIZATION: Organization plugin with RBAC configuration // ✅ SECURITY: Session rotation on privilege escalation // Note: Call rotateSessionsOnOrgRoleChange() manually after updateMemberRole() // See: src/lib/session-rotation.ts organization({ // Access control instance from organization-permissions.ts ac, // Define roles and permissions roles: { owner: ownerRole, admin: adminRole, member: memberRole, }, // Organization creation settings allowUserToCreateOrganization: true, organizationLimit: 5, // Max 5 orgs per user (prevent abuse) // SECURITY: Invitation expiration (7 days per OWASP recommendation) // After this period, invitations must be re-sent invitationExpiresIn: 7 * 24 * 60 * 60, // 7 days in seconds // Send invitation emails async sendInvitationEmail({ invitation, organization, }: { invitation: { id: string; email: string; expiresAt: Date }; organization: { name: string }; }) { // Added proper typing const { id, email, expiresAt } = invitation; const url = new URL(appUrl); url.pathname = "/accept-invitation"; url.searchParams.set("invitationId", id); url.searchParams.set("email", email); // Include expiration info in email for transparency const expiresInDays = Math.ceil((expiresAt.getTime() - Date.now()) / (1000 * 60 * 60 * 24)); await sendEmail({ to: email, subject: `You've been invited to join ${organization.name} on SnapBack`, text: `You've been invited to join ${organization.name}. Click the link to accept: ${url.toString()}\n\nThis invitation expires in ${expiresInDays} days.`, html: `<p>You've been invited to join <strong>${organization.name}</strong> on SnapBack.</p><p><a href="${url.toString()}">Click here to accept the invitation</a></p><p><small>This invitation expires in ${expiresInDays} days.</small></p>`, }); }, }), invitationOnlyPlugin(), // ✅ SECURITY: Password breach detection via HaveIBeenPwned // OWASP A07:2021, NIST SP 800-63B Section 5.1.1.2 // Automatically checks passwords during signup and password changes haveIBeenPwned(), // ✅ SECURITY: Two-Factor Authentication // NIST SP 800-63B compliant configuration twoFactor({ // Application name shown in authenticator apps issuer: "SnapBack", // Require verification on enable for security skipVerificationOnEnable: false, // TOTP configuration totpOptions: { // 6-digit codes (standard) digits: 6, // 30-second validity period (TOTP standard) period: 30, }, // Backup codes configuration (enhanced when ENABLE_ENHANCED_2FA=true) backupCodeOptions: { // Number of backup codes to generate amount: ENABLE_ENHANCED_2FA ? 10 : 6, // Backup code length (longer for enterprise) length: ENABLE_ENHANCED_2FA ? 12 : 8, }, }), username({ // Removed onUserUpdated as it's not a valid config option }), passkey({ // Removed sendVerificationEmail as it's not a valid config option }), // ============================================================================= // Enterprise Auth Plugins (Feature Flag Gated) // ============================================================================= // ✅ ENTERPRISE: SSO Plugin (SAML 2.0 / OIDC) // Requires: ENABLE_SSO=true, @better-auth/sso package ...(ENABLE_SSO ? [ sso({ // Auto-provision users to organization based on domain provisionUser: async ({ user, userInfo }) => { // PII: Hash email for privacy-safe logging const emailHash = user.email ? `email_${Math.abs( user.email .split("") .reduce((acc, char) => ((acc << 5) - acc + char.charCodeAt(0)) | 0, 0), ) .toString(16) .padStart(8, "0")}` : "none"; logger.info("SSO user provisioning", { userId: user.id, emailHash }); // Update user with IdP-provided email verification status if (userInfo?.email_verified && !user.emailVerified) { // The user object is already created, we just log the provisioning // Email verification status is handled by trustEmailVerified option } }, // Organization auto-provisioning settings organizationProvisioning: { defaultRole: "member", }, // Allow new users via SSO (don't require pre-existing account) disableImplicitSignUp: false, // Trust IdP email verification status trustEmailVerified: true, // Domain verification for SSO providers domainVerification: { enabled: true, }, }), ] : []), // ✅ SECURITY: Captcha Plugin (Bot Protection) // OWASP A07:2021 - Prevents automated attacks on auth endpoints // Requires: ENABLE_CAPTCHA=true, CAPTCHA_SECRET_KEY env var ...(ENABLE_CAPTCHA && process.env.CAPTCHA_SECRET_KEY ? [ captcha({ provider: "cloudflare-turnstile", secretKey: process.env.CAPTCHA_SECRET_KEY, // Protect critical auth endpoints endpoints: ["/sign-up/email", "/sign-in/email", "/forget-password", "/password-reset"], }), ] : []), // ✅ ENTERPRISE: Multi-Session Plugin (Device Management) // Allows users to manage active sessions across devices // Requires: ENABLE_MULTI_SESSION=true ...(ENABLE_MULTI_SESSION ? [ multiSession({ // Enterprise limit: 10 concurrent sessions maximumSessions: 10, }), ] : []), ], onAPIError: { onError(error: unknown, ctx: unknown) { // Enhanced error logging with OAuth-specific context const errorDetails: Record<string, unknown> = { error, context: ctx, }; // Extract additional context from error object if (error && typeof error === "object") { if ("code" in error) { errorDetails.errorCode = error.code; } if ("message" in error) { errorDetails.errorMessage = error.message; } if ("statusCode" in error) { errorDetails.statusCode = error.statusCode; } } // Extract context information (e.g., request path, method) let isOAuthError = false; if (ctx && typeof ctx === "object") { if ("request" in ctx) { const request = ctx.request as { url?: string; method?: string }; errorDetails.requestUrl = request.url; errorDetails.requestMethod = request.method; // Check if this is an OAuth callback error if (request.url?.includes("/api/auth/callback/")) { const provider = request.url.split("/callback/")[1]?.split("?")[0]; errorDetails.oauthProvider = provider; errorDetails.errorType = "OAuth Callback Error"; isOAuthError = true; logger.error("OAuth Callback Error", errorDetails); } } } // Log auth error if (!isOAuthError) { logger.error("Better Auth API Error", errorDetails); } // Track failed auth in PostHog (non-blocking) trackEvent("auth.signin_failed", { errorCode: errorDetails.errorCode as string | undefined, errorMessage: errorDetails.errorMessage as string | undefined, path: errorDetails.requestUrl as string | undefined, timestamp: new Date().toISOString(), }).catch(() => { // Ignore tracking errors }); // Send to Sentry for monitoring (lazy import to avoid startup overhead) import("@snapback/infrastructure") .then(({ captureError }) => { if (captureError && error instanceof Error) { captureError(error, { tags: { errorType: isOAuthError ? "oauth_callback" : "auth_api", ...(errorDetails.errorCode ? { errorCode: String(errorDetails.errorCode) } : {}), }, extra: errorDetails, }); } }) .catch(() => { // Sentry not available, already logged }); }, }, }); // ============================================================================ // Plugin API Type Declarations // ============================================================================ // Better Auth's InferAPI doesn't emit stable types for plugins, causing // "Maximum call stack size exceeded" during builds. We define explicit types // for the plugin APIs we use. /** API Key plugin types */ export interface CreateApiKeyParams { body: { name: string; userId: string; permissions?: Record<string, string[]>; rateLimitEnabled?: boolean; rateLimitMax?: number; rateLimitTimeWindow?: number; expiresAt?: Date; metadata?: Record<string, unknown>; }; } export interface CreateApiKeyResult { id: string; key: string; name: string; createdAt: Date; } /** verifyApiKey accepts key directly or in body wrapper (support both patterns) */ export interface VerifyApiKeyParams { key?: string; permissions?: Record<string, string[]>; body?: { key: string; permissions?: Record<string, string[]>; }; } export interface VerifyApiKeyResult { valid?: boolean; isValid?: boolean; // Alternative property name used by some consumers userId?: string; key?: { id: string; userId: string; name: string; permissions?: Record<string, string[]>; rateLimitEnabled?: boolean; rateLimitMax?: number; remaining?: number; lastRefillAt?: Date; metadata?: Record<string, unknown>; }; metadata?: Record<string, unknown>; permissions?: Record<string, string[]>; error?: { message: string; code?: string }; } export interface DeleteApiKeyParams { body: { keyId: string }; } /** Passkey plugin types */ export interface ListPasskeysParams { headers: Headers; } export interface PasskeyInfo { id: string; name: string; createdAt: Date; lastUsedAt?: Date; } export interface VerifyPasskeyAuthenticationParams { body: Record<string, unknown>; } export interface VerifyPasskeyAuthenticationResult { session?: { id: string; userId: string }; user?: { id: string; email: string }; verified?: boolean; } /** Two-factor plugin types */ export interface VerifyTwoFactorOTPParams { body: { code: string; }; } export interface VerifyTwoFactorOTPResult { token?: string; user?: { id: string; email: string }; verified?: boolean; } /** Sign-in types */ export interface SignInEmailParams { body: { email: string; password: string; }; } export interface SignInEmailResult { user?: { id: string; email: string }; session?: { id: string }; } /** OpenAPI plugin types */ export interface OpenAPIComponents { schemas?: Record<string, unknown>; securitySchemes?: Record<string, unknown>; [key: string]: unknown; } export interface GenerateOpenAPISchemaResult { openapi: string; info: { title: string; version: string }; paths: Record<string, unknown>; components?: OpenAPIComponents; } /** Organization types for API */ export interface OrganizationInfo { id: string; name: string; slug: string; logo?: string | null; metadata?: Record<string, unknown>; createdAt: Date; } export interface OrganizationMember { id: string; userId: string; organizationId: string; role: string; createdAt: Date; } export interface OrganizationInvitation { id: string; email: string; organizationId: string; role: string; status: string; expiresAt: Date; createdAt: Date; } export interface AccountInfo { id: string; userId: string; providerId: string; accountId: string; createdAt: Date; } /** Extended auth.api type with plugin methods */ export interface SnapBackAuthAPI { // Core methods (from base better-auth) getSession: (params: { headers: Headers }) => Promise<{ session: { id: string; userId: string; expiresAt: Date } | null; user: { id: string; email: string; name: string; emailVerified: boolean; image?: string | null; createdAt: Date; updatedAt: Date; activeOrganization?: { id: string; name: string } | null; } | null; }>; // Sign-in method signInEmail: (params: SignInEmailParams) => Promise<SignInEmailResult>; // API Key plugin createApiKey: (params: CreateApiKeyParams) => Promise<CreateApiKeyResult>; verifyApiKey: (params: VerifyApiKeyParams) => Promise<VerifyApiKeyResult>; deleteApiKey: (params: DeleteApiKeyParams) => Promise<void>; // Passkey plugin listPasskeys: (params: { headers: Headers }) => Promise<PasskeyInfo[]>; verifyPasskeyAuthentication: ( params: VerifyPasskeyAuthenticationParams, ) => Promise<VerifyPasskeyAuthenticationResult>; // Two-factor plugin verifyTwoFactorOTP: (params: VerifyTwoFactorOTPParams) => Promise<VerifyTwoFactorOTPResult>; // OpenAPI plugin generateOpenAPISchema: () => Promise<GenerateOpenAPISchemaResult>; // Organization plugin methods getFullOrganization: (params: { headers: Headers; query: { organizationSlug?: string; organizationId?: string }; }) => Promise<{ id: string; name: string; slug: string; logo?: string | null; metadata?: Record<string, unknown>; createdAt: Date; members: OrganizationMember[]; invitations: OrganizationInvitation[]; } | null>; listOrganizations: (params: { headers: Headers }) => Promise<{ organizations: OrganizationInfo[]; } | null>; getInvitation: (params: { headers: Headers; query: { invitationId: string }; }) => Promise<OrganizationInvitation | null>; // Account management listAccounts: (params: { headers: Headers }) => Promise<AccountInfo[]>; } /** Password context from Better Auth's internal AuthContext */ export interface SnapBackPasswordContext { hash: (password: string) => Promise<string>; verify: (args: { hash: string; password: string }) => Promise<boolean>; } /** Minimal AuthContext type for $context access */ export interface SnapBackAuthContext { password: SnapBackPasswordContext; } /** Auth instance type with plugin APIs */ export interface SnapBackAuthInstance { api: SnapBackAuthAPI; handler: (request: Request) => Promise<Response>; /** Internal Better Auth context - use for password hashing in scripts */ $context: Promise<SnapBackAuthContext>; } /** Typed auth export with plugin APIs - cast to avoid complex type inference */ export const auth = _auth as unknown as SnapBackAuthInstance; export * from "./lib/organization"; // Type exports moved to appropriate locations: // - Session: Use 'better-auth/types' or '@snapback/contracts/auth/session' // - Organization types: Use Better Auth organization plugin types // Removed dangerous 'any' stub exports (audit finding #1) |