ubuntu下基于php和dnspod的ddns（包含ipv4和ipv6）

<?php

function main()
{
    // 参数配置
    token = "修改成自己的 dnspod token";domain = "";  // 假如要解析   test.domain.com，这里就是  domain.com
    recordName = "";   // 假如要解析   test.domain.com， testdir = "/home/script";   // 脚本文件所在目录
    filename = "ddnspod-" .recordName . "." . domain;

    // 修改执行目录
    chdir(dir);
    print_r("脚本文件名:" . _SERVER['SCRIPT_NAME'] . "\n");
    print_r("执行目录:" . getcwd() . "\n");log["beforeGetIp"] = date("Y-m-d h:i:sa");
    // 获取公网ip
    ips = get_server_ip();log["ip"] = ips;log["beforeReqestDdns"] = date("Y-m-d h:i:sa");

    // 设置 ipv4 ddns
    type = "A";log[type] = requestDdns(domain, token,recordName, ips[4]);
    print_r("\n");
    print_r(log[type]);log["beforeUpdateRecord"] = date("Y-m-d h:i:sa");
    // 更新 ipv6 AAAA 
    type = "AAAA";log[type] = updateRecord(domain, token,recordName, type,ips[6]);
    print_r("\n");
    print_r(log[type]);
    if (log['AAAA'] ==log['A'] && log['A'] == '无需更新') {
        logg("无需更新 - " .ips[0], filename, "log");
    } else {
        logg(log, filename, "log");
    }
}


function logg(data, name,flag)
{
    data = json_encode(data, JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT);
    text = '[' . date('Y-m-d H:i:s') . "]  --- " .flag . " " . data . "\n" .
        "----------------------------------------------------------------\n";
    file_put_contents('log/' .name . '_' . date('ym') . '.log', text, FILE_APPEND);
}


function send_post(url, post_data,method = 'POST')
{
    postdata = http_build_query(post_data);
    options = array(
        'http' => array(
            'method' =>method,
            'header' => 'Content-type:application/x-www-form-urlencoded',
            'content' => postdata,
            'timeout' => 15 * 60 // 超时时间（单位:s）
        )
    );context = stream_context_create(options);result = file_get_contents(url, false,context);
    return result;
}


function getDomainId(domain, token)
{postData = array('login_token' => token);url = "https://dnsapi.cn/Domain.List";
    rs = send_post(url, postData);resultArray = json_decode(rs, true);
    // print_r(resultArray);
    foreach (resultArray['domains'] asone) {
        if (isset(one['punycode']) &&one['punycode'] == domain) {
            returnone['id'];
        }
    }
    return false;
}

function getRecordId(domainId,recordName, token,type)
{
    url = "https://dnsapi.cn/Record.List";postData = array(
        'login_token' => token,
        'domain_id' =>domainId
    );
    rs = send_post(url, postData);resultArray = json_decode(rs, true);
    foreach (resultArray['records'] as one) {
        if (one['name'] == recordName &&one['type'] == type) {
            returnone;
        }
    }
    return false;
}

function requestDdns(domain,token, recordName,value)
{
    filename = "ddnspod-" .recordName . "." . domain;type = "A";
    // ddns 只有 ipv4
    domainId = getDomainId(domain, token);record = getRecordId(domainId,recordName, token,type);
    if (domainId === false ||record === false) {
        logg("发生错误！", filename,type);
    }
    if (record['value'] ==value) {
        return "无需更新";
    }
    data['login_token'] =token;
    data['format'] = "json";data['domain_id'] = domainId;data['record_id'] = record['id'];data['record_line'] = "默认";
    data['sub_domain'] =recordName;

    url = "https://dnsapi.cn/Record.Ddns";rs = send_post(url,data);
    rusultArray = json_decode(rs, true);
    return rusultArray;
}

function updateRecord(domain, token,recordName, type,value)
{
    if (type == "AAAA") {
        if (!filter_var(value, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6)) {
            return false;
        }
    }
    if (type == "A") {
        if (filter_var(value, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4)) {
            return false;
        }
    }
    filename = "ddnspod-" .recordName . "." . domain;domainId = getDomainId(domain,token);
    record = getRecordId(domainId, recordName,token, type);
    if (domainId === false || record === false) {
        logg("发生错误！",filename, type);
    }
    if (record['value'] == value) {
        return "无需更新";
    }data['login_token'] = token;data['format'] = "json";
    data['domain_id'] =domainId;
    data['record_id'] =record['id'];
    data['sub_domain'] =recordName;
    data['value'] =value;
    data['record_type'] =type;
    data['record_line'] = "默认";

    print_r(data);

    url = "https://dnsapi.cn/Record.Modify";rs = send_post(url,data);
    rusultArray = json_decode(rs, true);
    return rusultArray;
}


function get_server_ip()
{ip4 = send_post("http://myip.ipip.net/json", array(), 'GET');
    ip4 = json_decode(ip4, true);
    if (ip4['ret'] == 'ok' && filter_var(ip4['data']['ip'], FILTER_VALIDATE_IP, FILTER_FLAG_IPV4)) {
        ip['4'] =ip4['data']['ip'];
    } else {
        ip['4'] = false;
    }ip6 = send_post(
        "http://ipv6.lookup.test-ipv6.com/ip/?"
            . "asn=1&testdomain=test-ipv6.com&testname=test_asn6",
        array(),
        'GET'
    );
    ip6 = json_decode(ip6, true);
    if (isset(ip6['ip']) && filter_var(ip6['ip'], FILTER_VALIDATE_IP, FILTER_FLAG_IPV6)) {
        ip[6] =ip6['ip'];
    } else {
        ip['6'] = false;
    }

    // ubuntu 20.04order = "ip -o -6 addr list "
        . "| grep global "
        . "| grep -Ev '\s(docker|lo)' "
        . "| awk '{print 4}' "
        . "| cut -d/ -f1";

    //order = "ip -o -6 addr list "
    // ."| grep -Ev '\s(docker|lo)' "
    // ."| awk '{print 4}' "
    // ."| cut -d/ -f1";

    //order = "ifconfig "
    // . "| grep \"inet \" "
    // . "| grep -v 127.0.0.1 "
    // . "| awk '{print 2}'";

    //order = "ifconfig "
    // . "| grep \"inet6 \" "
    // . "| grep -v 127.0.0.1 "
    // . "| grep global "
    // . "| awk '{print 2}'";
    print_r("\n");
    print_r("check" . date("Y-m-d h:i:sa"));
    print_r("\n");
    exec(order, out6,stats);
    if (count(out6)>3) {
        print_r(out6);
        ip[0] = "更新 ipv6";
        print_r("更新 ipv6 ! \n");
        exec("sudo netplan apply",outTemp, statsTemp);
        sleep(10);out6 = array();
        exec(order,out6, stats);
    }

    if (filter_var(out6[0], FILTER_VALIDATE_IP, FILTER_FLAG_IPV6)) {
        ip[66] =out6[0];
    } else {
        ip['66'] = false;
    }
    print_r(ip);
    return $ip;
}


main();