项目地址：https://github.com/csh733/autouam_control
原理:通过检测系统负载（cpu或load）自动开启cloudflare UAM和challenge（验证码）
宝塔面板计划任务
复制下面的脚本代码，使用前修改以下配置值，放在计划任务的 shell 脚本之中。
代码：
#!/bin/bash
# --------------------------使用前修改以下配置值--------------------------
mode="load"
# 两种模式可选，一：load (负载) 二：cpu。建议选 load
challenge="1"
# 是否同时开启验证码质询 设为1即开启。建议开启
keeptime="180"
# ≈开盾最小时间，如60 则开盾60秒内负载降低不会关，60秒后关。建议值 180
interval="1"
# 检测间隔时间，默认0.5秒。建议设为1
email="눈_눈"
# CloudFlare 账号邮箱
api_key="눈_눈"
# CloudFlare API KEY
zone_id="눈_눈"
# 区域ID 在域名的概述页面获取
default_security_level="high"
# 默认安全等级 关闭UAM时将会把安全等级调整为它
check="6"
#自定义开盾阈值（非必需）。load模式建议设为CPU核心数 + 2，如4核则设为6。
#load模式填负载值 如:8 cpu模式填百分数值 如:90
# --------------------------下方无需修改--------------------------
api_url="https://api.cloudflare.com/client/v4/zones/$zone_id/settings/security_level"
# API的地址
api_url1="https://api.cloudflare.com/client/v4/zones/$zone_id/firewall/rules"
# API的地址之二
api_url2="https://api.cloudflare.com/client/v4/zones/$zone_id/filters"
# API的地址之三
# 安装依赖
if ! which jq &> /dev/null; then
echo "jq not found!"
if [[ -f "/usr/bin/apt-get" ]]; then
apt-get install -y jq
elif [[ -f "/usr/bin/dnf" ]]; then
dnf install -y epel-release
dnf install -y jq
elif [[ -f "/usr/bin/yum" ]]; then
yum install -y epel-release
yum install -y jq
fi
fi
for((;;))
do
if [[ "$mode" == "cpu" ]]; then
check=${check:-90}
#系统空闲时间
TIME_INTERVAL=5
time=$(date "+%Y-%m-%d %H:%M:%S")
LAST_CPU_INFO=$(cat /proc/stat | grep -w cpu | awk '{print $2,$3,$4,$5,$6,$7,$8}')
LAST_SYS_IDLE=$(echo $LAST_CPU_INFO | awk '{print $4}')
LAST_TOTAL_CPU_T=$(echo $LAST_CPU_INFO | awk '{print $1+$2+$3+$4+$5+$6+$7}')
sleep ${TIME_INTERVAL}
NEXT_CPU_INFO=$(cat /proc/stat | grep -w cpu | awk '{print $2,$3,$4,$5,$6,$7,$8}')
NEXT_SYS_IDLE=$(echo $NEXT_CPU_INFO | awk '{print $4}')
NEXT_TOTAL_CPU_T=$(echo $NEXT_CPU_INFO | awk '{print $1+$2+$3+$4+$5+$6+$7}')
#系统空闲时间
SYSTEM_IDLE=`echo ${NEXT_SYS_IDLE} ${LAST_SYS_IDLE} | awk '{print $1-$2}'`
#CPU总时间
TOTAL_TIME=`echo ${NEXT_TOTAL_CPU_T} ${LAST_TOTAL_CPU_T} | awk '{print $1-$2}'`
load=`echo ${SYSTEM_IDLE} ${TOTAL_TIME} | awk '{printf "%.2f", 100-$1/$2*100}'`
else
load=$(cat /proc/loadavg | colrm 5)
check=${check:-$(cat /proc/cpuinfo | grep "processor" | wc -l)}
fi
if [[ ! -f "status.txt" ]]; then
echo "" > status.txt
else
status=$(cat status.txt)
fi
if [[ -f "ruleid.txt" ]]; then
ruleid=$(cat ruleid.txt)
fi
if [[ -f "filterid.txt" ]]; then
filterid=$(cat filterid.txt)
fi
now=$(date +%s)
time=$(date +%s -r status.txt)
echo "当前$mode负载:$load"
if [[ $status -eq 1 ]]; then
echo "UAM ON!"
if [[ "$challenge" -eq 1 ]]; then
echo "Challenge ON!"
fi
else
echo "UAM OFF!"
if [[ "$challenge" -eq 1 ]]; then
echo "Challenge OFF!"
fi
fi
newtime=`expr $now - $time`
closetime=`expr $keeptime - $newtime`
if [[ $(awk 'BEGIN {print ('$load'<'$check') ? 1:0}') -eq 1 ]] && [[ $status -eq 1 ]] && [[ $newtime -gt $keeptime ]]; then
echo -e "\n$mode负载低于$check，当前已开盾超过规定时间$newtime秒，尝试调整至默认安全等级（$default_security_level）"
# Disable Under Attack Mode
result=$(curl -X PATCH "$api_url" \
-H "X-Auth-Email: $email" \
-H "X-Auth-Key: $api_key" \
-H "Content-Type: application/json" \
--data "{
\"value\": \"$default_security_level\"
}" --silent \
| jq -r '.success')
if [[ "$result" = "true" ]]; then
echo 0 > status.txt
echo -e "\n成功"
fi
if [[ "$challenge" -eq 1 ]]; then
result=$(curl -X DELETE "$api_url1/$ruleid" \
-H "X-Auth-Email: $email" \
-H "X-Auth-Key: $api_key" \
-H "Content-Type: application/json" \
--silent)
result1=$(curl -X DELETE "$api_url2/$filterid" \
-H "X-Auth-Email: $email" \
-H "X-Auth-Key: $api_key" \
-H "Content-Type: application/json" \
--silent)
if echo $result | jq -e '.success' && echo $result1 | jq -e '.success'; then
echo -e "\n验证码关闭成功"
fi
fi
elif [[ $(awk 'BEGIN {print ('$load'<'$check') ? 1:0}') -eq 1 ]]; then
echo -e "\n$mode负载低于$check，不做任何改变，状态持续了$newtime秒"
if [[ $status -eq 1 ]]; then
echo -e "将于$closetime秒后调整安全等级至$default_security_level"
fi
elif [[ $(awk 'BEGIN {print ('$load'>'$check') ? 1:0}') -eq 1 ]] && [[ $status -eq 1 ]] && [[ $newtime -gt $keeptime ]]; then
echo -e "\n$mode负载高于$check，当前已开启UAM超过$keeptime秒，UAM无效"
elif [[ $(awk 'BEGIN {print ('$load'>'$check') ? 1:0}') -eq 1 ]] && [[ $status -eq 1 ]]; then
echo -e "\n$mode负载高于$check，当前已开启($newtime秒)，请再观察"
elif [[ $(awk 'BEGIN {print ('$load'>'$check') ? 1:0}') -eq 1 ]]; then
echo -e "\n$mode负载高于$check，开启UAM"
# Enable Under Attack Mode
result=$(curl -X PATCH "$api_url" \
-H "X-Auth-Email: $email" \
-H "X-Auth-Key: $api_key" \
-H "Content-Type: application/json" \
--data "{
\"value\": \"under_attack\"
}" --silent \
| jq -r '.success')
if [[ "$result" = "true" ]]; then
echo 1 > status.txt
echo -e "\n成功"
fi
if [[ "$challenge" -eq 1 ]]; then
while :
do
result=$(curl -X POST "$api_url2" \
-H "X-Auth-Email: $email" \
-H "X-Auth-Key: $api_key" \
-H "Content-Type: application/json" \
--data '[{
"expression": "(not cf.client.bot)"
}]' --silent)
if echo $result | jq -e '.success'; then
filterid=$(echo $result | jq -r '.result[].id')
else
filterid=$(echo $result | jq -r '.errors[].meta.id')
for i in $filterid
do
result1=$(curl -X DELETE "$api_url2/$i" \
-H "X-Auth-Email: $email" \
-H "X-Auth-Key: $api_key" \
-H "Content-Type: application/json" --silent)
done
if echo $result1 | jq -e '.success'; then
echo "\n冲突的filter删除成功"
fi
fi
echo $result | jq -e '.success' && break
done
result=$(curl -X POST "$api_url1" \
-H "X-Auth-Email: $email" \
-H "X-Auth-Key: $api_key" \
-H "Content-Type: application/json" \
--data "[{
\"action\": \"challenge\",
\"filter\": {
\"id\": \"$filterid\",
\"expression\": \"(not cf.client.bot)\"
}
}]" --silent)
if echo $result | jq -e '.success'; then
ruleid=$(echo $result | jq -r '.result[].id')
echo "$filterid" > filterid.txt
echo "$ruleid" > ruleid.txt
echo -e "验证码开启成功，规则id：$ruleid"
fi
fi
else
echo 0 > status.txt
fi
sleep $interval
clear
done
