使用脚本自动修改 Google Analytics 统计的JS文件，上传到又拍云加速 Google Analytics 统计，解决统计JS文件间接性无响应导致的网站加载缓慢。

原理

安装又拍云 UPX

反代理 Google Analytics

	## Google Analytics 反代理
	################################################################################
	set $upstream_endpoint <https://www.google-analytics.com>;
    location /analytics {
        access_log off;
		limit_req zone=ConnLimitZone burst=10 nodelay;
		#防盗链
		#valid_referers none blocked *.hscbook.com *.cloudrw.com;
		valid_referers www.hscbook.com;
		if ($invalid_referer) {  return 403;  }
		#反代理
		resolver 8.8.8.8 8.8.4.4;
		rewrite ^/analytics/(.*)$ /$1?$args&uip=$remote_addr;
		#proxy_pass <https://ssl.google-analytics.com>;
		proxy_pass $upstream_endpoint;
		proxy_set_header User-Agent $http_user_agent;
		break;
	}
    ################################################################################
	## END

替换 analytics.js 的域名

#!/bin/bash

#重试次数
retry=10
#创建的又拍云云储存名称
bucket=domefile
#操作员账号
operator=dome
#操作员密码
password=password
#又拍云绑定的加速域名
upurl=domefile.b0.upaiyun.com
#存放在又拍云的路径，结果输出：<https://domefile.b0.upaiyun.com/static/js/analytics.js>
upfile=static/js/analytics.js
#程序文件
upyun=/usr/local/bin/upx
#临时文件夹
cache=/tmp/upyun

#初始化
new=0
updata=0
success=0
frequency=0
sudo wget -q <https://www.google-analytics.com/analytics.js> -O $cache/primary_analytics.js

#更新又拍云数据
dataup() {
  sleep 1s
  curl -s <http://v0.api.upyun.com/$bucket/$upfile> -o $cache/upyun_analytics.js -u $operator:$password
  if [ $? != 0 ]; then
    echo "Error: Download analytics.js Fail"
    exit 1
  fi
  # 判断云上文件是否与更新文件一致
  diff -q $cache/upyun_analytics.js $cache/analytics.js > /dev/null
  if [ $? != 0 ]
  then
    #不一致则更新
    curl -s -T $cache/analytics.js <http://v0.api.upyun.com/$bucket/$upfile> -u $operator:$password
    if [ $? != 0 ]; then
      echo "Error: Upload analytics.js Fail"
      exit 1
    fi
    $upyun purge <https://$upurl/$upfile> > /dev/null
    if [ $? != 0 ]; then
      echo "Warning: Refresh analytics.js Fail"
    fi
    let frequency+=1;
  else
    #一致则退出循环
    success=1
  fi
}

#替换域名(域名替换处)
sed "s/www.google-analytics.com/a.dome.com\\/analytics/g" $cache/primary_analytics.js > $cache/analytics.js
#登陆又拍云
$upyun login $bucket $operator $password > /dev/null
#数据更新循环
while ((success == 0))
  do
    # 限制最大重试次数
    if [ "$retry" != "$frequency" ]
      then
        dataup
      else
        $upyun logout > /dev/null
        echo "Error: Upload analytics.js Overtime"
        exit 1
    fi
  done
#退出
$upyun logout > /dev/null
echo "INFO: Upload analytics.js Success"
exit 0