# ============================================================
# 闲言APP — Nginx配置 (文件传输信令服务)
# 创建时间: 2026-05-10
# 更新时间: 2026-05-10
# 作用: WebSocket反向代理 + REST API代理 + SSL
# 上次更新: 初始版本
# ============================================================
# 部署路径: /etc/nginx/conf.d/xianyan-signaling.conf
# ============================================================

# WebSocket信令服务 — 端口9443
upstream xianyan_signaling {
    server 127.0.0.1:9443;
    keepalive 64;
}

server {
    listen 9443 ssl http2;
    server_name tools.wktyl.com;

    # ─── SSL配置 ──────────────────────────────────────
    ssl_certificate     /etc/nginx/ssl/server.crt;
    ssl_certificate_key /etc/nginx/ssl/server.key;
    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;

    # ─── WebSocket代理 ────────────────────────────────
    location /ws {
        proxy_pass http://xianyan_signaling;
        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;

        # WebSocket长连接超时
        proxy_read_timeout 86400s;
        proxy_send_timeout 86400s;

        # 缓冲关闭(实时传输)
        proxy_buffering off;
    }

    # ─── 健康检查 ─────────────────────────────────────
    location /health {
        proxy_pass http://xianyan_signaling;
        proxy_http_version 1.1;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
    }

    # ─── 统计信息 ─────────────────────────────────────
    location /stats {
        proxy_pass http://xianyan_signaling;
        proxy_http_version 1.1;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
    }

    # ─── 安全头 ───────────────────────────────────────
    add_header X-Content-Type-Options nosniff;
    add_header X-Frame-Options DENY;
    add_header X-XSS-Protection "1; mode=block";
}

# REST API — 通过主站443端口代理
# 已包含在主站Nginx配置中，通过ThinkPHP路由处理
# 路径: /api/file_transfer/*