Init

CF-Under-Attack.sh

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+#!/bin/bash
+
+# 设置变量
+EMAIL="AAAA"
+API_KEY="BBBB"
+ZONE_ID="CCCC"
+LOAD_THRESHOLD=5.0  # 设置高负载阈值
+
+TELEGRAM_BOT_TOKEN="输入TG机器人API"
+CHAT_ID="输入TG用户ID"
+
+
+# 获取当前系统负载
+CURRENT_LOAD=$(uptime | awk -F'load average:' '{ print $2 }' | cut -d, -f1 | awk '{print $1}')
+
+echo "当前系统负载: $CURRENT_LOAD"
+
+
+send_tg_notification() {
+    local MESSAGE=$1
+    curl -s -X POST "https://api.telegram.org/bot$TELEGRAM_BOT_TOKEN/sendMessage" -d "chat_id=$CHAT_ID" -d "text=$MESSAGE"
+}
+
+
+
+# 获取当前的“Under Attack”模式状态
+STATUS=$(curl -s -X GET "https://api.cloudflare.com/client/v4/zones/$ZONE_ID/settings/security_level" \
+     -H "X-Auth-Email: $EMAIL" \
+     -H "X-Auth-Key: $API_KEY" \
+     -H "Content-Type: application/json" | jq -r '.result.value')
+
+echo "当前的Under Attack模式状态: $STATUS"
+
+# 检查系统负载是否高于阈值
+if (( $(echo "$CURRENT_LOAD > $LOAD_THRESHOLD" | bc -l) )); then
+    if [ "$STATUS" != "under_attack" ]; then
+        echo "系统负载高于阈值，开启Under Attack模式"
+        # send_tg_notification "系统负载高于阈值，开启Under Attack模式"
+        NEW_STATUS="under_attack"
+    else
+        echo "系统负载高，但Under Attack模式已经开启"
+        exit 0
+    fi
+else
+    if [ "$STATUS" == "under_attack" ]; then
+        echo "系统负载低于阈值，关闭Under Attack模式"
+        # send_tg_notification "系统负载低于阈值，关闭Under Attack模式"
+        NEW_STATUS="high"
+    else
+        echo "系统负载低，Under Attack模式已经关闭"
+        exit 0
+    fi
+fi
+
+# 更新“Under Attack”模式状态
+RESPONSE=$(curl -s -X PATCH "https://api.cloudflare.com/client/v4/zones/$ZONE_ID/settings/security_level" \
+     -H "X-Auth-Email: $EMAIL" \
+     -H "X-Auth-Key: $API_KEY" \
+     -H "Content-Type: application/json" \
+     --data "{\"value\":\"$NEW_STATUS\"}")
+
+if [[ $(echo $RESPONSE | jq -r '.success') == "true" ]]; then
+    echo "成功更新Under Attack模式状态为: $NEW_STATUS"
+else
+    echo "更新Under Attack模式状态失败"
+    echo "响应: $RESPONSE"
+fi