说明

脚本主体来自腾讯云官方的api工具

前置步骤

获取域名的recordID

打开腾讯云的域名页面，并选择你要操作的域名

一步直达

点击右侧设置按钮

勾选记录ID

脚本

请确定主机上安装了curl、ping，否则会导致脚本无法运行

#!/bin/sh
secret_id=""  # 填写你的SecretID
secret_key="" # 填写你的SecretKey
domain="" # 填写你的域名
record_id=0 # 填写你的记录ID
sub_domain="" # 填写你的主机名

updateIP(){
  service="dnspod"
  host="dnspod.tencentcloudapi.com"
  region=""
  token=""
  action="ModifyRecord"
  version="2021-03-23"
  algorithm="TC3-HMAC-SHA256"
  timestamp=$(date +%s)
  date=$(date -u -d @$timestamp +"%Y-%m-%d")
  payload="{\"Domain\":\"$domain\",\"RecordType\":\"A\",\"RecordLine\":\"默认\",\"Value\":\"$new_ip\",\"RecordId\":$record_id,\"SubDomain\":\"$sub_domain\"}"

  http_request_method="POST"
  canonical_uri="/"
  canonical_querystring=""
  canonical_headers="content-type:application/json; charset=utf-8\nhost:$host\nx-tc-action:$(echo $action | awk '{print tolower($0)}')\n"
  signed_headers="content-type;host;x-tc-action"
  hashed_request_payload=$(echo -n "$payload" | openssl sha256 -hex | awk '{print $2}')
  canonical_request="$http_request_method\n$canonical_uri\n$canonical_querystring\n$canonical_headers\n$signed_headers\n$hashed_request_payload"

  credential_scope="$date/$service/tc3_request"
  hashed_canonical_request=$(printf "$canonical_request" | openssl sha256 -hex | awk '{print $2}')
  string_to_sign="$algorithm\n$timestamp\n$credential_scope\n$hashed_canonical_request"

  secret_date=$(printf "$date" | openssl sha256 -hmac "TC3$secret_key" | awk '{print $2}')
  secret_service=$(printf $service | openssl dgst -sha256 -mac hmac -macopt hexkey:"$secret_date" | awk '{print $2}')
  secret_signing=$(printf "tc3_request" | openssl dgst -sha256 -mac hmac -macopt hexkey:"$secret_service" | awk '{print $2}')
  signature=$(printf "$string_to_sign" | openssl dgst -sha256 -mac hmac -macopt hexkey:"$secret_signing" | awk '{print $2}')
  authorization="$algorithm Credential=$secret_id/$credential_scope, SignedHeaders=$signed_headers, Signature=$signature"
  curl -XPOST "https://$host" -d "$payload" -H "Authorization: $authorization" -H "Content-Type: application/json; charset=utf-8" -H "Host: $host" -H "X-TC-Action: $action" -H "X-TC-Timestamp: $timestamp" -H "X-TC-Version: $version" -H "X-TC-Region: $region" -H "X-TC-Token: $token"
}

new_ip=`curl -s http://ip.glh.red/`
old_ip=`ping home.bitnet.fun -c 1 | sed '1{s/[^(]*(//;s/).*//;q}'`
#如果老的IP与获取的新的IP不一致则请求 腾讯云 更新IP
if [[ "${new_ip}" != "" && "${new_ip}" != "${old_ip}" ]]
    then
        echo -e "`date`\t\c"
        echo -e "${old_ip} > ${new_ip}\c"
        updateIP
        echo "IP更新成功"
    else
        echo "IP未发生变化，无需更新"
fi

——END——

Gaze.

说明

前置步骤

获取域名的recordID

脚本

Gaze.