proxy_cache_path /www/dk_project/sites/dev.aigc-quickapp.com/proxy_cache_dir levels=1:2 keys_zone=dev_aigc-quickapp_com_cache:20m inactive=1d max_size=5g;

# 连接升级变量，避免 $connection_upgrade 未定义（用于 WebSocket）
map $http_upgrade $connection_upgrade {
    default upgrade;
    ''      close;
}

# 轻量限速/并发控制（全局定义，按需调整阈值）
limit_req_zone $binary_remote_addr zone=perip:10m rate=10r/s;
limit_conn_zone $binary_remote_addr zone=perip_conn:10m;

# HTTP -> HTTPS 跳转独立 server，避免与业务混配
server {
    listen 80;
    server_name dev.aigc-quickapp.com;

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

server {
    listen 443 quic;
    listen 443 ssl;

    http2 on;
    server_name dev.aigc-quickapp.com;
    index index.php index.html index.htm default.php default.htm default.html;
    root /www/dk_project/wwwroot/dev.aigc-quickapp.com;


    #CERT-APPLY-CHECK--START
    # 用于SSL证书申请时的文件验证相关配置 -- 请勿删除
    include /www/server/panel/vhost/nginx/well-known/dev.aigc-quickapp.com.conf;
    #CERT-APPLY-CHECK--END

    #SSL-START SSL相关配置，请勿删除或修改下一行带注释的404规则
    #error_page 404/404.html;
    ssl_certificate /www/server/panel/vhost/cert/dev.aigc-quickapp.com/fullchain.pem;
    ssl_certificate_key /www/server/panel/vhost/cert/dev.aigc-quickapp.com/privkey.pem;
    ssl_protocols TLSv1.1 TLSv1.2 TLSv1.3; # 暂保留 TLSv1.1 兼容老端，后续可下线
    ssl_ciphers EECDH+CHACHA20:EECDH+CHACHA20-draft:EECDH+AES128:RSA+AES128:EECDH+AES256:RSA+AES256:EECDH+3DES:RSA+3DES:!MD5;
    ssl_prefer_server_ciphers on;
    ssl_session_cache shared:SSL:10m;
    ssl_session_timeout 10m;
    ssl_session_tickets off;

    add_header Strict-Transport-Security "max-age=31536000" always;
    add_header X-Content-Type-Options "nosniff" always;
    add_header X-Frame-Options "SAMEORIGIN" always;
    add_header Referrer-Policy "strict-origin-when-cross-origin" always;
    add_header Permissions-Policy "geolocation=(), microphone=(), camera=(), payment=()" always;
    # CSP 先以 Report-Only 方式上线，避免误杀；按前端依赖逐步收紧
    add_header Content-Security-Policy-Report-Only "default-src 'self' data: blob:; img-src * data: blob:; script-src 'self' 'unsafe-inline' 'unsafe-eval' https: blob:; style-src 'self' 'unsafe-inline' https:; connect-src *; font-src 'self' data: https:; frame-ancestors 'self';" always;
    server_tokens off;
    error_page 497 https://$host$request_uri;
    #SSL-END
    #REDIRECT START


    #REDIRECT END
    #ERROR-PAGE-START  错误页配置，可以注释、删除或修改
    error_page 404 /404.html;
    #error_page 502 /502.html;
    #ERROR-PAGE-END

    #WEBSOCKET-SUPPORT START
    proxy_http_version 1.1;
    proxy_set_header Upgrade $http_upgrade;
    proxy_set_header Connection $connection_upgrade;
    #WEBSOCKET-SUPPORT END

    # 上传/超时治理（根据业务需要调整大小与时限）
    client_max_body_size 100m;
    client_body_timeout 15s;
    client_header_timeout 10s;
    send_timeout 30s;

    #PROXY-CONF-START
    location ^~ / {
        proxy_pass http://127.0.0.1:8050;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Real-Port $remote_port;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_set_header X-Forwarded-Host $host;
        proxy_set_header X-Forwarded-Port $server_port;
        proxy_set_header X-Forwarded-Server $host;
        proxy_set_header REMOTE-HOST $remote_addr;
        proxy_redirect off;

        proxy_buffering off;
        proxy_connect_timeout 60s;
        proxy_send_timeout 600s;
        proxy_read_timeout 600s;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection $connection_upgrade;

        # 轻量限速：降低扫描/撞库/爆破效率（按需调大/关闭）
        limit_req zone=perip burst=20 nodelay;
        limit_conn perip_conn 50;
    }
    #PROXY-CONF-END

    #SERVER-BLOCK START
    location ~* ^/ws/(.*)$ {
        # 先尝试直接转发，不修改路径
        proxy_pass http://localhost:8050;

        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;

        # 禁用缓冲，确保WebSocket数据实时传输
        proxy_buffering off;
        proxy_buffer_size 4k;
        proxy_buffers 4 4k;
        proxy_busy_buffers_size 4k;
        proxy_max_temp_file_size 0;
        
        # 可选：设置超时（WebSocket 是长连接）
        proxy_read_timeout 86400s;
        proxy_send_timeout 86400s; 

        # WebSocket 连接数可选限速：如需限制每 IP 并发，解除注释
        # limit_conn perip_conn 20;
    }
    # 可设置server|location等所有server字段，如：
    # location /web {
    #     try_files $uri $uri/ /index.php$is_args$args;
    # }
    # error_page 404 /diy_404.html;
    # 如果反代网站访问异常且这里已经配置了内容，请优先排查此处的配置是否正确

    #SERVER-BLOCK END

    #禁止访问的文件或目录
    location ~ ^/(\.user.ini|\.htaccess|\.git|\.env|\.svn|\.project|LICENSE|README.md) {
        return 404;
    }

    # 追加敏感路径/文件快速阻断
    location ~* /(composer\.(json|lock)|package(-lock)?\.json|pnpm-lock\.yaml|yarn\.lock|phpunit\.xml|\.ssh/|id_rsa|id_dsa|\.DS_Store) {
        return 404;
    }

    # 禁止直连 phpinfo/adminer 等常见探测
    location ~* /(phpinfo|adminer)\.php$ {
        return 404;
    }

    # 禁止可疑备份/数据库/压缩文件下载（如需放行请删除本段）
    location ~* \.(bak|sql|tar|tar\.gz|rar|7z|zip)$ {
        return 404;
    }

    #一键申请SSL证书验证目录相关设置
    location /.well-known {
        allow all;
    }

    #禁止在证书验证目录放入敏感文件
    if ( $uri ~ "^/\.well-known/.*\.(php|jsp|py|js|css|lua|ts|go|zip|tar\.gz|rar|7z|sql|bak)$" ) {
        return 403;
    }

    #LOG START

    access_log /www/wwwlogs/dev.aigc-quickapp.com.log;
    error_log /www/wwwlogs/dev.aigc-quickapp.com.error.log;

    #LOG END
}