# Managed by CADWorld deployment, not a replacement for 1Panel's main config.
limit_req_zone $binary_remote_addr zone=cadworld_api:10m rate=10r/s;
server {
    listen 80;
    server_name cadworld-sim.robotquan.com;
    location ^~ /.well-known/acme-challenge/ {
        root /www/acme/cadworld-sim.robotquan.com;
        default_type text/plain;
    }
    location / { return 301 https://cadworld-sim.robotquan.com$request_uri; }
}
server {
    listen 443 ssl http2;
    server_name cadworld-sim.robotquan.com;
    ssl_certificate /www/ssl/cadworld-sim.robotquan.com/live/cadworld-sim.robotquan.com/fullchain.pem;
    ssl_certificate_key /www/ssl/cadworld-sim.robotquan.com/live/cadworld-sim.robotquan.com/privkey.pem;
    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_session_cache shared:CADWorldTLS:10m;
    ssl_session_timeout 1d;
    root /www/sites/cadworld-sim.robotquan.com/current;
    index index.html;
    autoindex off;
    client_max_body_size 64k;
    client_body_timeout 15s;
    keepalive_timeout 30s;
    server_tokens off;
    add_header Strict-Transport-Security "max-age=31536000" always;
    add_header X-Content-Type-Options nosniff always;
    add_header Referrer-Policy no-referrer always;
    # CSP allowlist supports the approved sibling-origin iframe; X-Frame-Options
    # DENY/SAMEORIGIN would block it in legacy clients (ALLOW-FROM is obsolete).
    add_header Content-Security-Policy "default-src 'self'; script-src 'self' 'unsafe-inline' 'unsafe-eval' 'wasm-unsafe-eval'; style-src 'self' 'unsafe-inline'; worker-src 'self' blob:; img-src 'self' data: blob:; font-src 'self' data:; connect-src 'self' blob:; object-src 'none'; base-uri 'self'; frame-ancestors 'self' https://cadworld.robotquan.com; form-action 'none'" always;
    # Hash assets cache; all headers remain inherited (no nested add_header).
    set $cadworld_cache "no-cache";
    if ($uri ~ ^/assets/) { set $cadworld_cache "public, max-age=31536000, immutable"; }
    if ($uri ~ ^/pyodide/) { set $cadworld_cache "public, max-age=86400"; }
    if ($uri ~ ^/api/) { set $cadworld_cache "no-store"; }
    add_header Cache-Control $cadworld_cache always;
    location ^~ /api/decision/v1/ {
        access_log off;
        limit_req zone=cadworld_api burst=20 nodelay;
        limit_req_status 429;
        proxy_pass http://127.0.0.1:8768;
        proxy_http_version 1.1;
        proxy_set_header Host cadworld-sim.robotquan.com;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $remote_addr;
        proxy_set_header X-Forwarded-Proto https;
        proxy_set_header Forwarded "";
        proxy_set_header Connection "";
        proxy_connect_timeout 5s;
        proxy_read_timeout 70s;
        proxy_send_timeout 15s;
        proxy_buffering off;
        proxy_hide_header Cache-Control;
    }
    location ^~ /api/ { return 404; }
    location ^~ /physics/ { return 404; }
    location = /tuning.html { return 404; }
    location ~ /\. { return 404; }
    location ~ \.wasm$ { types { application/wasm wasm; } try_files $uri =404; }
    location / { try_files $uri $uri/ =404; }
}