BREAKING CHANGE(server/client): move from client only to server + client exports

ts_client/classes.dnsclient.ts

@@ -0,0 +1,229 @@
+import * as plugins from './dnsly.plugins.js';
+
+export type TDnsProvider = 'google' | 'cloudflare';
+
+export const makeNodeProcessUseDnsProvider = (providerArg: TDnsProvider) => {
+  switch (providerArg) {
+    case 'cloudflare':
+      plugins.dns.setServers([
+        '1.1.1.1',
+        '1.0.0.1',
+        '[2606:4700:4700::1111]',
+        '[2606:4700:4700::1001]',
+      ]);
+      break;
+    case 'google':
+      plugins.dns.setServers([
+        '8.8.8.8',
+        '8.8.4.4',
+        '[2001:4860:4860::8888]',
+        '[2606:4700:4700::1001]',
+      ]);
+  }
+};
+
+export interface ISmartDnsConstructorOptions {}
+
+export interface IGoogleDNSHTTPSResponse {
+  Status: number;
+  TC: boolean;
+  RD: boolean;
+  RA: boolean;
+  AD: boolean;
+  CD: boolean;
+  Question: Array<{ name: string; type: number }>;
+  Answer: Array<{ name: string; type: number; TTL: number; data: string }>;
+  Additional: [];
+  Comment: string;
+}
+
+/**
+ * class dnsly offers methods for working with dns from a dns provider like Google DNS
+ */
+export class Smartdns {
+  public dnsServerIp: string;
+  public dnsServerPort: number;
+
+  public dnsTypeMap: { [key: string]: number } = {
+    A: 1,
+    AAAA: 28,
+    CNAME: 5,
+    MX: 15,
+    TXT: 16,
+  };
+
+  /**
+   * constructor for class dnsly
+   */
+  constructor(optionsArg: ISmartDnsConstructorOptions) {}
+
+  /**
+   * check a dns record until it has propagated to Google DNS
+   * should be considerably fast
+   * @param recordNameArg
+   * @param recordTypeArg
+   * @param expectedValue
+   */
+  public async checkUntilAvailable(
+    recordNameArg: string,
+    recordTypeArg: plugins.tsclass.network.TDnsRecordType,
+    expectedValue: string,
+    cyclesArg: number = 50,
+    intervalArg: number = 500
+  ) {
+    let runCycles = 0;
+    const doCheck = async () => {
+      if (runCycles < cyclesArg) {
+        runCycles++;
+        try {
+          let myRecordArray: plugins.tsclass.network.IDnsRecord[];
+          if (runCycles % 2 === 0 || !plugins.dns) {
+            myRecordArray = await this.getRecords(recordNameArg, recordTypeArg, 0);
+          } else {
+            myRecordArray = await this.getRecordWithNodeDNS(recordNameArg, recordTypeArg);
+          }
+          const myRecord = myRecordArray[0].value;
+          if (myRecord === expectedValue) {
+            console.log(
+              `smartdns: .checkUntilAvailable() verified that wanted >>>${recordTypeArg}<<< record exists for >>>${recordNameArg}<<< with value >>>${expectedValue}<<<`
+            );
+            return true;
+          } else {
+            await plugins.smartdelay.delayFor(intervalArg);
+            return await doCheck();
+          }
+        } catch (err) {
+          // console.log(err);
+          await plugins.smartdelay.delayFor(intervalArg);
+          return await doCheck();
+        }
+      } else {
+        console.log(
+          `smartdns: .checkUntilAvailable() failed permanently for ${recordNameArg} with value ${recordTypeArg} - ${expectedValue}...`
+        );
+        return false;
+      }
+    };
+    return await doCheck();
+  }
+
+  /**
+   * get A Dns Record
+   */
+  public async getRecordsA(recordNameArg: string): Promise<plugins.tsclass.network.IDnsRecord[]> {
+    return await this.getRecords(recordNameArg, 'A');
+  }
+
+  /**
+   * get AAAA Record
+   */
+  public async getRecordsAAAA(recordNameArg: string) {
+    return await this.getRecords(recordNameArg, 'AAAA');
+  }
+
+  /**
+   * gets a txt record
+   */
+  public async getRecordsTxt(recordNameArg: string): Promise<plugins.tsclass.network.IDnsRecord[]> {
+    return await this.getRecords(recordNameArg, 'TXT');
+  }
+
+  public async getRecords(
+    recordNameArg: string,
+    recordTypeArg: plugins.tsclass.network.TDnsRecordType,
+    retriesCounterArg = 20
+  ): Promise<plugins.tsclass.network.IDnsRecord[]> {
+    const requestUrl = `https://cloudflare-dns.com/dns-query?name=${recordNameArg}&type=${recordTypeArg}&do=1`;
+    const returnArray: plugins.tsclass.network.IDnsRecord[] = [];
+    const getResponseBody = async (counterArg = 0): Promise<IGoogleDNSHTTPSResponse> => {
+      const response = await plugins.smartrequest.request(requestUrl, {
+        method: 'GET',
+        headers: {
+          accept: 'application/dns-json',
+        },
+      });
+      const responseBody: IGoogleDNSHTTPSResponse = response.body;
+      if (responseBody?.Status !== 0 && counterArg < retriesCounterArg) {
+        await plugins.smartdelay.delayFor(500);
+        return getResponseBody(counterArg++);
+      } else {
+        return responseBody;
+      }
+    };
+    const responseBody = await getResponseBody();
+    if (!responseBody.Answer || !typeof responseBody.Answer[Symbol.iterator]) {
+      return returnArray;
+    }
+    for (const dnsEntry of responseBody.Answer) {
+      if (dnsEntry.data.startsWith('"') && dnsEntry.data.endsWith('"')) {
+        dnsEntry.data = dnsEntry.data.replace(/^"(.*)"$/, '$1');
+      }
+      if (dnsEntry.name.endsWith('.')) {
+        dnsEntry.name = dnsEntry.name.substring(0, dnsEntry.name.length - 1);
+      }
+      returnArray.push({
+        name: dnsEntry.name,
+        type: this.convertDnsTypeNumberToTypeName(dnsEntry.type),
+        dnsSecEnabled: responseBody.AD,
+        value: dnsEntry.data,
+      });
+    }
+    // console.log(responseBody);
+    return returnArray;
+  }
+
+  /**
+   * gets a record using nodejs dns resolver
+   */
+  public async getRecordWithNodeDNS(
+    recordNameArg: string,
+    recordTypeArg: plugins.tsclass.network.TDnsRecordType
+  ): Promise<plugins.tsclass.network.IDnsRecord[]> {
+    const done = plugins.smartpromise.defer<plugins.tsclass.network.IDnsRecord[]>();
+    plugins.dns.resolve(recordNameArg, recordTypeArg, (err, recordsArg) => {
+      if (err) {
+        done.reject(err);
+        return;
+      }
+      const returnArray: plugins.tsclass.network.IDnsRecord[] = [];
+      for (const recordKey in recordsArg) {
+        returnArray.push({
+          name: recordNameArg,
+          value: recordsArg[recordKey][0],
+          type: recordTypeArg,
+          dnsSecEnabled: false,
+        });
+      }
+      done.resolve(returnArray);
+    });
+    return done.promise;
+  }
+
+  public async getNameServers(domainNameArg: string): Promise<string[]> {
+    const done = plugins.smartpromise.defer<string[]>();
+    plugins.dns.resolveNs(domainNameArg, (err, result) => {
+      if (!err) {
+        done.resolve(result);
+      } else {
+        console.log(err);
+        done.reject(err);
+      }
+    });
+    return await done.promise;
+  }
+
+  public convertDnsTypeNameToTypeNumber(dnsTypeNameArg: string): number {
+    return this.dnsTypeMap[dnsTypeNameArg];
+  }
+
+  public convertDnsTypeNumberToTypeName(
+    dnsTypeNumberArg: number
+  ): plugins.tsclass.network.TDnsRecordType {
+    for (const key in this.dnsTypeMap) {
+      if (this.dnsTypeMap[key] === dnsTypeNumberArg) {
+        return key as plugins.tsclass.network.TDnsRecordType;
+      }
+    }
+    return null;
+  }
+}