# NAC区块链 Nginx配置
# 用于NRPC3.0端点的反向代理和SSL终止

# NRPC3.0 HTTP端点
server {
    listen 80;
    listen [::]:80;
    server_name rpc.newassetchain.io;
    
    # 重定向到HTTPS
    return 301 https://$server_name$request_uri;
}

server {
    listen 443 ssl http2;
    listen [::]:443 ssl http2;
    server_name rpc.newassetchain.io;
    
    # SSL证书配置
    ssl_certificate /etc/nginx/ssl/_.newassetchain.io.pem;
    ssl_certificate_key /etc/nginx/ssl/_.newassetchain.io.key;
    
    # SSL优化
    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;
    
    # 安全头
    add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;
    add_header X-Frame-Options "SAMEORIGIN" always;
    add_header X-Content-Type-Options "nosniff" always;
    add_header X-XSS-Protection "1; mode=block" always;
    
    # CORS配置（允许区块浏览器访问）
    add_header Access-Control-Allow-Origin "*" always;
    add_header Access-Control-Allow-Methods "GET, POST, OPTIONS" always;
    add_header Access-Control-Allow-Headers "Content-Type, Authorization" always;
    
    # 处理OPTIONS请求
    if ($request_method = 'OPTIONS') {
        return 204;
    }
    
    # 反向代理到NRPC3.0端点
    location / {
        proxy_pass http://127.0.0.1:18545;
        proxy_http_version 1.1;
        
        # 代理头
        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;
        
        # 超时设置
        proxy_connect_timeout 60s;
        proxy_send_timeout 60s;
        proxy_read_timeout 60s;
        
        # 缓冲设置
        proxy_buffering off;
        proxy_request_buffering off;
    }
    
    # 日志
    access_log /var/log/nginx/nac-rpc-access.log;
    error_log /var/log/nginx/nac-rpc-error.log;
}

# NRPC3.0 WebSocket端点
server {
    listen 80;
    listen [::]:80;
    server_name ws.newassetchain.io;
    
    # 重定向到HTTPS
    return 301 https://$server_name$request_uri;
}

server {
    listen 443 ssl http2;
    listen [::]:443 ssl http2;
    server_name ws.newassetchain.io;
    
    # SSL证书配置
    ssl_certificate /etc/nginx/ssl/_.newassetchain.io.pem;
    ssl_certificate_key /etc/nginx/ssl/_.newassetchain.io.key;
    
    # SSL优化
    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;
    
    # 安全头
    add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;
    
    # WebSocket反向代理
    location / {
        proxy_pass http://127.0.0.1:18546;
        proxy_http_version 1.1;
        
        # WebSocket升级
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        
        # 代理头
        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;
        
        # 超时设置（WebSocket需要更长时间）
        proxy_connect_timeout 7d;
        proxy_send_timeout 7d;
        proxy_read_timeout 7d;
        
        # 缓冲设置
        proxy_buffering off;
    }
    
    # 日志
    access_log /var/log/nginx/nac-ws-access.log;
    error_log /var/log/nginx/nac-ws-error.log;
}

# 区块浏览器端点
server {
    listen 80;
    listen [::]:80;
    server_name explorer.newassetchain.io;
    
    # 重定向到HTTPS
    return 301 https://$server_name$request_uri;
}

server {
    listen 443 ssl http2;
    listen [::]:443 ssl http2;
    server_name explorer.newassetchain.io;
    
    # SSL证书配置
    ssl_certificate /etc/nginx/ssl/_.newassetchain.io.pem;
    ssl_certificate_key /etc/nginx/ssl/_.newassetchain.io.key;
    
    # SSL优化
    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;
    
    # 安全头
    add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;
    add_header X-Frame-Options "SAMEORIGIN" always;
    add_header X-Content-Type-Options "nosniff" always;
    add_header X-XSS-Protection "1; mode=block" always;
    
    # 反向代理到Vite开发服务器
    location / {
        proxy_pass http://127.0.0.1:3002;
        proxy_http_version 1.1;
        
        # WebSocket支持（Vite HMR）
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        
        # 代理头
        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;
        
        # 超时设置
        proxy_connect_timeout 60s;
        proxy_send_timeout 60s;
        proxy_read_timeout 60s;
        
        # 缓冲设置
        proxy_buffering off;
    }
    
    # 日志
    access_log /var/log/nginx/nac-explorer-access.log;
    error_log /var/log/nginx/nac-explorer-error.log;
}