upstream prosody {
    server localhost:5280;
}

server {
    listen 80 default_server;
    listen [::]:80 default_server;
    server_name xmpp.guschin.info;

    # ACME challenge location for Let's Encrypt
    location /.well-known/acme-challenge/ {
        root /var/www/letsencrypt;
        default_type "text/plain";
        autoindex on;
        try_files $uri =404;
    }

    # Redirect HTTP to HTTPS
    return 301 https://$server_name$request_uri;
}

server {
    listen 443 ssl http2;
    listen [::]:443 ssl http2;
    server_name xmpp.guschin.info;

    # SSL certificate paths (using self-signed certificates from Prosody)
    ssl_certificate /home/mish/prosody.git/data/prosody/certs/xmpp.guschin.info.crt;
    ssl_certificate_key /home/mish/prosody.git/data/prosody/certs/xmpp.guschin.info.key;
    
    # SSL configuration
    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_ciphers HIGH:!aNULL:!MD5;
    ssl_prefer_server_ciphers on;

    # Security headers
    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;

    # Prosody web interface and HTTP upload
    location / {
        proxy_pass http://prosody;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        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_buffering off;
    }

    # Websocket endpoint for XMPP
    location /ws {
        proxy_pass http://prosody/ws;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        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;
    }

    # HTTP File Upload
    location /upload {
        proxy_pass http://prosody/upload;
        proxy_http_version 1.1;
        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;
        client_max_body_size 100M;
    }
}