Files
multica/.env.example
LinYushen 95bfd7dd96 feat(auth): migrate auth token to HttpOnly Cookie & WebSocket Origin whitelist (#819)
* feat(auth): migrate auth token to HttpOnly cookie & implement WebSocket Origin whitelist

Security improvements from the MUL-566 audit report:

1. Auth token is now set as an HttpOnly, SameSite=Lax cookie on login,
   preventing XSS-based token theft. Cookie-based auth includes CSRF
   protection via double-submit cookie pattern. The Authorization header
   path is preserved for Electron desktop app and CLI/PAT clients.

2. WebSocket upgrader now validates the Origin header against a
   configurable allowlist (ALLOWED_ORIGINS env var), rejecting
   connections from unauthorized origins.

Backend: new auth cookie helpers, middleware reads cookie as fallback,
WS handler accepts cookie auth, Origin whitelist, logout endpoint.
Frontend: CSRF token in API headers, cookie-aware auth store and WS
client, web app opts into cookieAuth mode while desktop keeps tokens.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

* fix(auth): address PR review — Strict cookies, HMAC-bound CSRF, origin sync

1. SameSite=Lax → SameSite=Strict per spec requirement
2. CSRF token now HMAC-signed with auth token (nonce.signature format),
   preventing subdomain cookie injection attacks
3. allowedWSOrigins uses atomic.Value to eliminate data race
4. Removed magic "cookie" sentinel string in WSProvider — pass null token
   and guard with boolean check instead
5. Removed dead delete uploadHeaders["Content-Type"] in API client

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-13 12:13:35 +08:00

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# Database
POSTGRES_DB=multica
POSTGRES_USER=multica
POSTGRES_PASSWORD=multica
POSTGRES_PORT=5432
DATABASE_URL=postgres://multica:multica@localhost:5432/multica?sslmode=disable
# Server
PORT=8080
JWT_SECRET=change-me-in-production
MULTICA_SERVER_URL=ws://localhost:8080/ws
MULTICA_APP_URL=http://localhost:3000
MULTICA_DAEMON_CONFIG=
MULTICA_WORKSPACE_ID=
MULTICA_DAEMON_ID=
MULTICA_DAEMON_DEVICE_NAME=
MULTICA_DAEMON_POLL_INTERVAL=3s
MULTICA_DAEMON_HEARTBEAT_INTERVAL=15s
MULTICA_CODEX_PATH=codex
MULTICA_CODEX_MODEL=
MULTICA_CODEX_WORKDIR=
MULTICA_CODEX_TIMEOUT=20m
# Email (Resend)
# For local/dev use, leave RESEND_API_KEY empty — codes print to stdout, and master code 888888 works.
# For production, set your Resend API key and change RESEND_FROM_EMAIL to a domain verified in your Resend account.
RESEND_API_KEY=
RESEND_FROM_EMAIL=noreply@multica.ai
# Google OAuth
GOOGLE_CLIENT_ID=
GOOGLE_CLIENT_SECRET=
GOOGLE_REDIRECT_URI=http://localhost:3000/auth/callback
NEXT_PUBLIC_GOOGLE_CLIENT_ID=
# S3 / CloudFront
S3_BUCKET=
S3_REGION=us-west-2
CLOUDFRONT_KEY_PAIR_ID=
CLOUDFRONT_PRIVATE_KEY_SECRET=multica/cloudfront-signing-key
CLOUDFRONT_PRIVATE_KEY=
CLOUDFRONT_DOMAIN=
COOKIE_DOMAIN=
# Local file storage (fallback when S3_BUCKET is not set)
LOCAL_UPLOAD_DIR=./data/uploads
LOCAL_UPLOAD_BASE_URL=http://localhost:8080
# Security
# Comma-separated list of allowed origins for CORS and WebSocket connections.
# Defaults to localhost dev origins when unset.
# Example: ALLOWED_ORIGINS=https://app.multica.ai,https://staging.multica.ai
ALLOWED_ORIGINS=
# Frontend
FRONTEND_PORT=3000
FRONTEND_ORIGIN=http://localhost:3000
NEXT_PUBLIC_API_URL=http://localhost:8080
NEXT_PUBLIC_WS_URL=ws://localhost:8080/ws
# Remote API (optional) — set to proxy local frontend to a remote backend
# Leave empty to use local backend (localhost:8080)
# REMOTE_API_URL=https://multica-api.copilothub.ai