# Configuration Nginx pour Secure Proxy OIDC

upstream secure_proxy {
    server localhost:3000;
}

server {
    listen 80;
    server_name secure.k2r.ovh;
    
    # Redirection HTTPS
    return 301 https://$server_name$request_uri;
}

server {
    listen 443 ssl http2;
    server_name secure.k2r.ovh;
    
    # Certificats SSL (Let's Encrypt)
    ssl_certificate /etc/letsencrypt/live/secure.k2r.ovh/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/secure.k2r.ovh/privkey.pem;
    
    # Configuration SSL recommandée
    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_ciphers HIGH:!aNULL:!MD5;
    ssl_prefer_server_ciphers on;
    ssl_session_cache shared:SSL:10m;
    ssl_session_timeout 10m;
    
    # Headers de sécurité
    add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" 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;
    
    # Proxy settings
    location / {
        proxy_pass http://secure_proxy;
        proxy_http_version 1.1;
        
        # Headers
        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_set_header Connection "upgrade";
        proxy_set_header Upgrade $http_upgrade;
        
        # Timeouts
        proxy_connect_timeout 60s;
        proxy_send_timeout 60s;
        proxy_read_timeout 60s;
        
        # Buffering
        proxy_buffering on;
        proxy_buffer_size 4k;
        proxy_buffers 8 4k;
        proxy_busy_buffers_size 8k;
    }
    
    # Désactiver le caching des fichiers sensibles
    location ~ \.(js|css|html)$ {
        proxy_pass http://secure_proxy;
        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_cache_bypass $http_pragma $http_authorization;
        expires 1h;
    }
}