# Configuration nginx pour LOGIS
# Copier dans : /etc/nginx/sites-available/logis
# Puis : ln -s /etc/nginx/sites-available/logis /etc/nginx/sites-enabled/
# SSL fourni par : certbot --nginx -d your-domain.com

# Rate-limit sur le formulaire de contact : 10 requêtes/min par IP
limit_req_zone $binary_remote_addr zone=contact:10m rate=10r/m;

# Redirection HTTP → HTTPS
server {
    listen 80;
    listen [::]:80;
    server_name your-domain.com;

    location /.well-known/acme-challenge/ {
        root /var/www/html;
    }

    location / {
        return 301 https://$host$request_uri;
    }
}

# Serveur HTTPS principal
server {
    listen 443 ssl;
    listen [::]:443 ssl;
    server_name your-domain.com;

    # Certificats SSL (générés par certbot)
    ssl_certificate     /etc/letsencrypt/live/your-domain.com/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/your-domain.com/privkey.pem;
    include             /etc/letsencrypt/options-ssl-nginx.conf;
    ssl_dhparam         /etc/letsencrypt/ssl-dhparams.pem;

    # Sécurité des en-têtes
    add_header Strict-Transport-Security "max-age=31536000; includeSubDomains; preload" always;
    add_header X-Content-Type-Options    nosniff                                        always;
    add_header X-Frame-Options           DENY                                           always;
    add_header X-XSS-Protection         "1; mode=block"                                always;
    add_header Referrer-Policy          "strict-origin-when-cross-origin"               always;

    # Taille max des uploads (photos haute résolution)
    client_max_body_size 25M;

    # Fichiers statiques servis directement par nginx
    location /static/ {
        alias /path/to/LOGIS/staticfiles/;
        expires 30d;
        add_header Cache-Control "public, immutable";
        access_log off;
    }

    # Fichiers médias (photos uploadées)
    location /media/ {
        alias /path/to/LOGIS/media/;
        expires 7d;
        add_header Cache-Control "public";
        access_log off;
    }

    # Scans automatiques — drop silencieux (pas de réponse)
    location ~* \.(php|asp|aspx|jsp|cgi|pl|sh|bash|env|git|svn|htaccess)$ {
        return 444;
    }
    location ~* ^/(cgi-bin|vendor|phpunit|Autodiscover|autodiscover|wp-admin|wp-login|phpmyadmin|admin\.php|xmlrpc\.php|shell|config|\.well-known/(?!acme)) {
        return 444;
    }

    # Rate-limit sur l'endpoint de contact (fr + en)
    location ~* ^/(en/)?contact/ {
        limit_req zone=contact burst=5 nodelay;
        proxy_pass         http://127.0.0.1:8091;
        proxy_set_header   Host              $host;
        proxy_set_header   X-Real-IP         $remote_addr;
        proxy_set_header   X-Forwarded-For   $proxy_add_x_forwarded_for;
        proxy_set_header   X-Forwarded-Proto $scheme;
    }

    # Proxy vers Gunicorn (port 8091)
    location / {
        proxy_pass         http://127.0.0.1:8091;
        proxy_set_header   Host              $host;
        proxy_set_header   X-Real-IP         $remote_addr;
        proxy_set_header   X-Forwarded-For   $proxy_add_x_forwarded_for;
        proxy_set_header   X-Forwarded-Proto $scheme;
        proxy_read_timeout 120s;
        proxy_buffering    on;
    }
}