# /etc/nginx/conf.d/cpcdownload.mfcg.me.conf
#
# cpcdownload.mfcg.me  ->  stat_center Go 服务 (127.0.0.1:8089)
# 用途:
#   - GET /download/{appId}/{channel}   双端下载落地页(ios 返回 mobileconfig / android 302 跳转)
#   - POST /api/stat/cpc/download/{list,add,update,del}  后台 CPC 下载配置管理
#
# 部署:
#   scp deploy/nginx/cpcdownload.mfcg.me.conf root@<gateway>:/etc/nginx/conf.d/
#   ssh root@<gateway> 'nginx -t && nginx -s reload'

# HTTP -> HTTPS
server {
    listen      80;
    listen      [::]:80;
    server_name cpcdownload.mfcg.me;
    return 301 https://$host$request_uri;
}

server {
    listen      443 ssl http2;
    listen      [::]:443 ssl http2;
    server_name cpcdownload.mfcg.me;

    # 证书路径按你机器上的实际位置调整(沿用同 mfcg.me 通配证书即可)
    ssl_certificate     /etc/nginx/ssl/mfcg.me/fullchain.pem;
    ssl_certificate_key /etc/nginx/ssl/mfcg.me/privkey.pem;

    ssl_protocols       TLSv1.2 TLSv1.3;
    ssl_ciphers         HIGH:!aNULL:!MD5;
    ssl_session_cache   shared:SSL:10m;
    ssl_session_timeout 10m;

    access_log /var/log/nginx/cpcdownload.mfcg.me.access.log;
    error_log  /var/log/nginx/cpcdownload.mfcg.me.error.log;

    # mobileconfig 大小通常很小,这里放宽到 8M 兜底
    client_max_body_size 8m;

    location / {
        proxy_pass         http://127.0.0.1:8089;
        proxy_http_version 1.1;

        # 透传真实 IP(后端 ctx.ClientIP() 依赖此头取 IP 入库 landingpage_cpc)
        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;

        # mobileconfig 是二进制,保持原样;不做缓冲以便 302 立即下发
        proxy_buffering off;
        proxy_request_buffering off;

        proxy_connect_timeout 5s;
        proxy_send_timeout    30s;
        proxy_read_timeout    30s;
    }
}