debd0d98fc
Fixes identified from full security audit covering auth, crypto, injection, infrastructure, and configuration security. Critical: - C1: Fail-closed on unrecognized NODE_ENV (prevent DEV_SECRET in staging) - C3: Validate API token expires_at (reject invalid dates that bypass expiry) High: - H1: Refresh JWT role from DB on each session (reflect demotions immediately) - H2: Docker socket proxy for l4-port-manager (restrict API surface) - H5: Block dangerous WAF custom directives (SecRuleEngine, SecAuditEngine) - H7: Require explicit NEXTAUTH_TRUST_HOST instead of always trusting Host - H8: Semantic validation of sync payload (block metadata SSRF, size limits) Medium: - M3: Rate limit password change current-password verification - M5: Parameterized SQL in log/waf parsers (replace template literals) - M6: Nonce-based CSP replacing unsafe-inline for script-src - M9: Strip Caddy placeholders from rewrite path_prefix - M10: Sanitize authentik outpostDomain (path traversal, placeholders) - M14: Deny access on missing JWT role instead of defaulting to "user" Low: - L1: Require Origin header on mutating session-authenticated requests - L4: Enforce password complexity on user password changes - L5: Time-limited legacy SHA-256 key fallback (grace period until 2026-06-01) - L6: Escape LIKE metacharacters in audit log search - L7: Runtime-validate WAF excluded_rule_ids as positive integers Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
92 lines
2.8 KiB
TypeScript
92 lines
2.8 KiB
TypeScript
import { auth } from "@/src/lib/auth";
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import { NextResponse } from "next/server";
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import crypto from "node:crypto";
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/**
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* Next.js Proxy for route protection.
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* Provides defense-in-depth by checking authentication at the edge
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* before requests reach page components.
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*
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* Note: Proxy always runs on Node.js runtime.
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*/
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const isDev = process.env.NODE_ENV === "development";
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/**
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* M6: Build a nonce-based Content-Security-Policy per request.
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* Next.js reads the nonce from the CSP request header and applies it
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* to all inline scripts it generates.
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*/
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function buildCsp(nonce: string): string {
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const directives = [
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"default-src 'self'",
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isDev
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? `script-src 'self' 'nonce-${nonce}' 'unsafe-eval'`
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: `script-src 'self' 'nonce-${nonce}'`,
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// style-src still needs 'unsafe-inline' for React JSX inline style props
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"style-src 'self' 'unsafe-inline' https://fonts.googleapis.com",
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"font-src 'self' https://fonts.gstatic.com",
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"img-src 'self' data: blob:",
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"worker-src blob:",
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"connect-src 'self'",
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"frame-ancestors 'none'",
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];
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return directives.join("; ");
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}
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export default auth((req) => {
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const isAuthenticated = !!req.auth;
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const pathname = req.nextUrl.pathname;
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// Allow public routes
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if (
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pathname === "/login" ||
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pathname.startsWith("/api/auth") ||
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pathname === "/api/health" ||
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pathname === "/api/instances/sync" ||
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pathname.startsWith("/api/v1/")
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) {
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return NextResponse.next();
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}
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// Redirect unauthenticated users to login
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if (!isAuthenticated && !pathname.startsWith("/login")) {
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const loginUrl = new URL("/login", req.url);
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return NextResponse.redirect(loginUrl);
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}
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// Generate per-request nonce for CSP
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const nonce = crypto.randomBytes(16).toString("base64");
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const csp = buildCsp(nonce);
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// Set CSP as a request header so Next.js can read the nonce
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const requestHeaders = new Headers(req.headers);
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requestHeaders.set("Content-Security-Policy", csp);
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const response = NextResponse.next({
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request: { headers: requestHeaders },
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});
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// Also set CSP as a response header for browser enforcement
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response.headers.set("Content-Security-Policy", csp);
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response.headers.set("X-Content-Type-Options", "nosniff");
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response.headers.set("X-Frame-Options", "DENY");
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response.headers.set("Referrer-Policy", "strict-origin-when-cross-origin");
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response.headers.set("Permissions-Policy", "camera=(), microphone=(), geolocation=(), interest-cohort=()");
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return response;
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});
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export const config = {
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matcher: [
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/*
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* Match all request paths except for the ones starting with:
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* - _next/static (static files)
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* - _next/image (image optimization files)
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* - favicon.ico (favicon file)
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* - public folder
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*/
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"/((?!_next/static|_next/image|favicon.ico|.*\\.(?:svg|png|jpg|jpeg|gif|webp)$).*)",
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],
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};
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