aliyun-dns-ddns/lib/index.js

阿里云动态DNS自动更新库

"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
exports.AliyunDDNS = void 0;
const axios_1 = __importDefault(require("axios"));
const alidns20150109_1 = __importStar(require("@alicloud/alidns20150109")), $Alidns20150109 = alidns20150109_1;
const $OpenApi = __importStar(require("@alicloud/openapi-client"));
const node_schedule_1 = __importDefault(require("node-schedule"));
// 导出一个类，封装DDNS功能，方便作为库调用
class AliyunDDNS {
    constructor(accessKeyId, accessKeySecret, domainName, recordType = 'A', subDomain = '@', regionId = 'cn-hangzhou') {
        this.accessKeyId = accessKeyId;
        this.accessKeySecret = accessKeySecret;
        this.domainName = domainName;
        this.recordType = recordType;
        this.subDomain = subDomain;
        this.regionId = regionId;
        this.lastIp = null;
        const config = new $OpenApi.Config({
            accessKeyId: this.accessKeyId,
            accessKeySecret: this.accessKeySecret,
        });
        config.endpoint = `alidns.${this.regionId}.aliyuncs.com`;
        this.client = new alidns20150109_1.default(config);
    }
    async getCurrentIp() {
        try {
            const response = await axios_1.default.get('https://myip.ipip.net');
            const ipMatch = response.data.match(/(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})/);
            if (ipMatch) {
                return ipMatch[0];
            }
            console.error('从返回数据中未能匹配到IP地址:', response.data);
            return null;
        }
        catch (error) {
            console.error('获取公网IP失败:', error);
            return null;
        }
    }
    async getRecordId() {
        var _a, _b, _c, _d;
        try {
            const request = new $Alidns20150109.DescribeDomainRecordsRequest({
                domainName: this.domainName,
                pageSize: 10,
                type: this.recordType,
                RRKeyWord: this.subDomain,
            });
            const response = await this.client.describeDomainRecords(request);
            if ((_c = (_b = (_a = response.body) === null || _a === void 0 ? void 0 : _a.domainRecords) === null || _b === void 0 ? void 0 : _b.record) === null || _c === void 0 ? void 0 : _c.length) {
                const specificRecord = response.body.domainRecords.record.find(rec => rec.RR === this.subDomain);
                return (_d = specificRecord === null || specificRecord === void 0 ? void 0 : specificRecord.recordId) !== null && _d !== void 0 ? _d : null;
            }
            return null;
        }
        catch (error) {
            console.error('获取解析记录ID失败:', error);
            return null;
        }
    }
    async updateRecord(recordId, ip) {
        try {
            const request = new $Alidns20150109.UpdateDomainRecordRequest({
                recordId,
                RR: this.subDomain,
                type: this.recordType,
                value: ip,
            });
            await this.client.updateDomainRecord(request);
            const fullDomain = this.subDomain === '@' ? this.domainName : `${this.subDomain}.${this.domainName}`;
            console.log(`成功更新解析记录: ${fullDomain} -> ${ip}`);
        }
        catch (error) {
            console.error('更新解析记录失败:', error);
        }
    }
    async performUpdateCheck() {
        console.log(`[${new Date().toLocaleString()}] 开始执行IP检查...`);
        const currentIp = await this.getCurrentIp();
        console.log(`当前公网IP: ${currentIp !== null && currentIp !== void 0 ? currentIp : '获取失败'}`);
        if (currentIp) {
            if (currentIp !== this.lastIp) {
                console.log('IP发生变化，开始更新DNS记录...');
                const recordId = await this.getRecordId();
                if (recordId) {
                    await this.updateRecord(recordId, currentIp);
                    this.lastIp = currentIp;
                }
                else {
                    const fullDomain = this.subDomain === '@' ? this.domainName : `${this.subDomain}.${this.domainName}`;
                    console.log(`未找到域名 ${fullDomain} 的解析记录，请先在阿里云DNS控制台添加。`);
                }
            }
            else {
                console.log('IP未变化，无需更新。');
            }
        }
        else {
            console.log('无法获取当前IP。');
        }
    }
    startSchedule(cronExpression = '0 * * * *') {
        console.log('DDNS服务启动，开始定时任务...');
        // 立即执行一次
        this.performUpdateCheck();
        // 定时执行
        node_schedule_1.default.scheduleJob(cronExpression, () => {
            this.performUpdateCheck();
        });
    }
}
exports.AliyunDDNS = AliyunDDNS;