*Move dns and ssl control to plugin apis

*Add files plugin api
*Add logger to api
*Add seed getter to api
*Add app router to api

src/config.ts

@@ -33,6 +33,7 @@ config.inject({
   logLevel: "info",
   pluginFolder: path.join(configDir, "plugins"),
   plugins: ["core"],
+  ssl: true,
 });
 
 config.load({

src/dns.ts

@@ -1,14 +1,11 @@
 import cron from "node-cron";
 import { get as getDHT } from "./dht.js";
 import { Buffer } from "buffer";
-import { Parser } from "xml2js";
-import { URL } from "url";
 import { pack } from "msgpackr";
 import config from "./config.js";
-import { errorExit } from "./error.js";
 import log from "loglevel";
-import { createHash } from "crypto";
 import { dynImport } from "./util.js";
+import type { DnsProvider } from "@lumeweb/relay-types";
 
 let activeIp: string;
 let fetch: typeof import("node-fetch").default;
@@ -17,6 +14,12 @@ let hashDataKey: typeof import("@lumeweb/kernel-utils").hashDataKey;
 
 const REGISTRY_NODE_KEY = "lumeweb-dht-node";
 
+let dnsProvider: DnsProvider = async (ip) => {};
+
+export function setDnsProvider(provider: DnsProvider) {
+  dnsProvider = provider;
+}
+
 async function ipUpdate() {
   let currentIp = await getCurrentIp();
 
@@ -24,11 +27,7 @@ async function ipUpdate() {
     return;
   }
 
-  let domain = await getDomainInfo();
+  await dnsProvider(currentIp);
-
-  await fetch(domain.url[0].toString());
-
-  activeIp = domain.address[0];
 
   log.info(`Updated DynDNS hostname ${config.str("domain")} to ${activeIp}`);
 }
@@ -57,49 +56,6 @@ export async function start() {
   cron.schedule("0 * * * *", ipUpdate);
 }
 
-async function getDomainInfo() {
-  const relayDomain = config.str("domain");
-  const parser = new Parser();
-
-  const url = new URL("https://freedns.afraid.org/api/");
-
-  const params = url.searchParams;
-
-  params.append("action", "getdyndns");
-  params.append("v", "2");
-  params.append("style", "xml");
-
-  const hash = createHash("sha1");
-  hash.update(
-    `${config.str("afraid-username")}|${config.str("afraid-password")}`
-  );
-
-  params.append("sha", hash.digest().toString("hex"));
-
-  const response = await (await fetch(url.toString())).text();
-
-  if (/could not authenticate/i.test(response)) {
-    errorExit("Failed to authenticate to afraid.org");
-  }
-
-  const json = await parser.parseStringPromise(response);
-
-  let domain = null;
-
-  for (const item of json.xml.item) {
-    if (item.host[0] === relayDomain) {
-      domain = item;
-      break;
-    }
-  }
-
-  if (!domain) {
-    errorExit(`Domain ${relayDomain} not found in afraid.org account`);
-  }
-
-  return domain;
-}
-
 async function getCurrentIp(): Promise<string> {
   return await (await fetch("http://ip1.dynupdate.no-ip.com/")).text();
 }

src/file.ts

@@ -1,45 +1,15 @@
-import type { Ed25519Keypair, Err, progressiveFetchResult } from "libskynet";
+import type { Err, progressiveFetchResult } from "libskynet";
 // @ts-ignore
 import { SkynetClient } from "@skynetlabs/skynet-nodejs";
 import { dynImport } from "./util.js";
+import type {
+  IndependentFileSmall,
+  IndependentFileSmallMetadata,
+} from "@lumeweb/relay-types";
 
-const ERR_EXISTS = "exists";
 const ERR_NOT_EXISTS = "DNE";
 const STD_FILENAME = "file";
 
-type OverwriteDataFn = (newData: Uint8Array) => Promise<Err>;
-
-type ReadDataFn = () => Promise<[Uint8Array, Err]>;
-
-export interface IndependentFileSmallMetadata {
-  largestHistoricSize: bigint;
-}
-
-export interface IndependentFileSmall {
-  dataKey: Uint8Array;
-  fileData: Uint8Array;
-  inode: string;
-  keypair: Ed25519Keypair;
-  metadata: IndependentFileSmallMetadata;
-  revision: bigint;
-  seed: Uint8Array;
-
-  skylink: string;
-  viewKey: string;
-
-  overwriteData: OverwriteDataFn;
-
-  readData: ReadDataFn;
-}
-
-interface IndependentFileSmallViewer {
-  fileData: Uint8Array;
-  skylink: string;
-  viewKey: string;
-
-  readData: ReadDataFn;
-}
-
 let addContextToErr: typeof import("libskynet").addContextToErr,
   blake2b: typeof import("libskynet").blake2b,
   bufToHex: typeof import("libskynet").bufToHex,

src/plugin.ts

@@ -4,6 +4,23 @@ import type { PluginAPI, RPCMethod, Plugin } from "@lumeweb/relay-types";
 import slugify from "slugify";
 import * as fs from "fs";
 import path from "path";
+import {
+  getSavedSsl,
+  getSsl,
+  getSslContext,
+  saveSSl,
+  setSsl,
+  setSslContext,
+} from "./ssl.js";
+import log from "loglevel";
+import { getSeed } from "./util.js";
+import { getRouter, resetRouter, setRouter } from "./relay";
+import {
+  createIndependentFileSmall,
+  openIndependentFileSmall,
+  overwriteIndependentFileSmall,
+} from "./file";
+import { setDnsProvider } from "./dns";
 
 let pluginApi: PluginApiManager;
 
@@ -64,6 +81,30 @@ export class PluginApiManager {
       },
       loadPlugin: getPluginAPI().loadPlugin.bind(getPluginAPI()),
       getMethods: getRpcServer().getMethods.bind(getRpcServer()),
+
+      ssl: {
+        setContext: setSslContext,
+        getContext: getSslContext,
+        getSaved: getSavedSsl,
+        set: setSsl,
+        get: getSsl,
+        save: saveSSl,
+      },
+      files: {
+        createIndependentFileSmall,
+        openIndependentFileSmall,
+        overwriteIndependentFileSmall,
+      },
+      dns: {
+        setProvider: setDnsProvider,
+      },
+      logger: log,
+      getSeed,
+      appRouter: {
+        get: getRouter,
+        set: setRouter,
+        reset: resetRouter,
+      },
     };
   }
 }

src/relay.ts

@@ -8,44 +8,31 @@ import express, { Express } from "express";
 import config from "./config.js";
 import * as http from "http";
 import * as https from "https";
-import * as tls from "tls";
-import * as acme from "acme-client";
-import { Buffer } from "buffer";
-import { intervalToDuration } from "date-fns";
-import cron from "node-cron";
 import { get as getDHT } from "./dht.js";
 import WS from "ws";
 // @ts-ignore
-import {
-  createIndependentFileSmall,
-  IndependentFileSmall,
-  openIndependentFileSmall,
-  overwriteIndependentFileSmall,
-} from "./file.js";
 import log from "loglevel";
 import { AddressInfo } from "net";
-import { sprintf } from "sprintf-js";
-import { dynImport } from "./util.js";
 // @ts-ignore
 import promiseRetry from "promise-retry";
-
+import { getSslContext } from "./ssl.js";
-let sslCtx: tls.SecureContext = tls.createSecureContext();
-const sslParams: tls.SecureContextOptions = { cert: "", key: "" };
-
-let acmeClient: acme.Client;
 
 let app: Express;
 let router = express.Router();
 
-let seedPhraseToSeed: typeof import("libskynet").seedPhraseToSeed;
+export function getRouter(): express.Router {
+  return router;
+}
 
-const FILE_CERT_NAME = "/lumeweb/relay/ssl.crt";
+export function setRouter(newRouter: express.Router): void {
-const FILE_KEY_NAME = "/lumeweb/relay/ssl.key";
+  router = newRouter;
-const FILE_ACCOUNT_KEY_NAME = "/lumeweb/relay/account.key";
+}
+
+export function resetRouter(): void {
+  setRouter(express.Router());
+}
 
 export async function start() {
-  seedPhraseToSeed = (await dynImport("libskynet")).seedPhraseToSeed;
-
   const relayPort = config.uint("port");
   app = express();
   app.use(function (req, res, next) {
@@ -82,23 +69,27 @@ export async function start() {
     });
   });
 
-  await setupSSl(true);
+  let relayServer: https.Server | http.Server;
 
-  let httpsServer = https.createServer({
+  if (config.bool("ssl")) {
+    relayServer = https.createServer({
       SNICallback(servername, cb) {
-      cb(null, sslCtx);
+        cb(null, getSslContext());
       },
     });
+  } else {
+    relayServer = http.createServer();
+  }
 
-  let wsServer = new WS.Server({ server: httpsServer });
+  let wsServer = new WS.Server({ server: relayServer });
 
   wsServer.on("connection", (socket: any) => {
     relay(dht, new Stream(false, socket));
   });
 
   await new Promise((resolve) => {
-    httpsServer.listen(relayPort, "0.0.0.0", function () {
+    relayServer.listen(relayPort, "0.0.0.0", function () {
-      const address = httpsServer.address() as AddressInfo;
+      const address = relayServer.address() as AddressInfo;
       log.info(
         "DHT Relay Server started on ",
         `${address.address}:${address.port}`
@@ -106,220 +97,4 @@ export async function start() {
       resolve(null);
     });
   });
-
-  cron.schedule("0 * * * *", setupSSl.bind(null, false));
-}
-
-async function setupSSl(bootup: boolean) {
-  let sslCert: IndependentFileSmall | boolean = false;
-  let sslKey: IndependentFileSmall | boolean = false;
-  let certInfo;
-  let exists = false;
-  let domainValid = false;
-  let dateValid = false;
-  let configDomain = config.str("domain");
-
-  let retryOptions = bootup ? {} : { retry: 0 };
-
-  try {
-    await promiseRetry(async (retry: any) => {
-      sslCert = await getSslCert();
-      if (!sslCert) {
-        retry();
-      }
-    }, retryOptions);
-
-    await promiseRetry(async (retry: any) => {
-      sslKey = await getSslKey();
-      if (!sslKey) {
-        retry();
-      }
-    }, retryOptions);
-  } catch {}
-
-  if (sslCert && sslKey) {
-    sslParams.cert = Buffer.from((sslCert as IndependentFileSmall).fileData);
-    sslParams.key = Buffer.from((sslKey as IndependentFileSmall).fileData);
-    certInfo = await getCertInfo();
-    exists = true;
-  }
-
-  if (exists) {
-    const expires = certInfo?.notAfter as Date;
-    let duration = intervalToDuration({ start: new Date(), end: expires });
-    let daysLeft = (duration.months as number) * 30 + (duration.days as number);
-
-    if (daysLeft > 30) {
-      dateValid = true;
-    }
-
-    if (certInfo?.domains.commonName === configDomain) {
-      domainValid = true;
-    }
-
-    if (
-      Boolean(isSSlStaging()) !==
-      Boolean(certInfo?.issuer.commonName.toLowerCase().includes("staging"))
-    ) {
-      domainValid = false;
-    }
-  }
-
-  if (dateValid && domainValid) {
-    if (bootup) {
-      sslCtx = tls.createSecureContext(sslParams);
-      log.info(`Loaded SSL Certificate for ${configDomain}`);
-    }
-    return;
-  }
-
-  await createOrRenewSSl(
-    sslCert as unknown as IndependentFileSmall,
-    sslKey as unknown as IndependentFileSmall
-  );
-}
-
-async function createOrRenewSSl(
-  oldCert?: IndependentFileSmall,
-  oldKey?: IndependentFileSmall
-) {
-  const existing = oldCert && oldKey;
-
-  log.info(
-    sprintf(
-      "%s SSL Certificate for %s",
-      existing ? "Renewing" : "Creating",
-      config.str("domain")
-    )
-  );
-
-  let accountKey: boolean | IndependentFileSmall | Buffer = await getSslFile(
-    FILE_ACCOUNT_KEY_NAME
-  );
-
-  if (accountKey) {
-    accountKey = Buffer.from((accountKey as IndependentFileSmall).fileData);
-  }
-
-  if (!accountKey) {
-    accountKey = await acme.forge.createPrivateKey();
-    await createIndependentFileSmall(
-      getSeed(),
-      FILE_ACCOUNT_KEY_NAME,
-      accountKey
-    );
-  }
-
-  acmeClient = new acme.Client({
-    accountKey: accountKey as Buffer,
-    directoryUrl: isSSlStaging()
-      ? acme.directory.letsencrypt.staging
-      : acme.directory.letsencrypt.production,
-  });
-
-  const [certificateKey, certificateRequest] = await acme.forge.createCsr({
-    commonName: config.str("domain"),
-  });
-  try {
-    sslParams.cert = await acmeClient.auto({
-      csr: certificateRequest,
-      termsOfServiceAgreed: true,
-      challengeCreateFn: async (authz, challenge, keyAuthorization) => {
-        router.get(
-          `/.well-known/acme-challenge/${challenge.token}`,
-          (req, res) => {
-            res.send(keyAuthorization);
-          }
-        );
-      },
-      challengeRemoveFn: async () => {
-        router = express.Router();
-      },
-      challengePriority: ["http-01"],
-    });
-    sslParams.cert = Buffer.from(sslParams.cert);
-  } catch (e: any) {
-    console.error((e as Error).message);
-    process.exit(1);
-  }
-  sslParams.key = certificateKey;
-  sslCtx = tls.createSecureContext(sslParams);
-
-  await saveSsl(oldCert, oldKey);
-}
-
-async function saveSsl(
-  oldCert?: IndependentFileSmall,
-  oldKey?: IndependentFileSmall
-): Promise<void> {
-  const seed = getSeed();
-
-  log.info(`Saving SSL Certificate for ${config.str("domain")}`);
-
-  if (oldCert) {
-    await overwriteIndependentFileSmall(
-      oldCert,
-      Buffer.from(sslParams.cert as any)
-    );
-  } else {
-    await createIndependentFileSmall(
-      seed,
-      FILE_CERT_NAME,
-      Buffer.from(sslParams.cert as any)
-    );
-  }
-
-  if (oldKey) {
-    await overwriteIndependentFileSmall(
-      oldKey,
-      Buffer.from(sslParams.key as any)
-    );
-  } else {
-    await createIndependentFileSmall(
-      seed,
-      FILE_KEY_NAME,
-      Buffer.from(sslParams.key as any)
-    );
-  }
-}
-
-async function getCertInfo() {
-  return acme.forge.readCertificateInfo(sslParams.cert as Buffer);
-}
-
-async function getSslCert(): Promise<IndependentFileSmall | boolean> {
-  return getSslFile(FILE_CERT_NAME);
-}
-
-async function getSslKey(): Promise<IndependentFileSmall | boolean> {
-  return getSslFile(FILE_KEY_NAME);
-}
-
-async function getSslFile(
-  name: string
-): Promise<IndependentFileSmall | boolean> {
-  let seed = getSeed();
-
-  let [file, err] = await openIndependentFileSmall(seed, name);
-
-  if (err) {
-    return false;
-  }
-
-  return file;
-}
-
-function getSeed(): Uint8Array {
-  let [seed, err] = seedPhraseToSeed(config.str("seed"));
-
-  if (err) {
-    console.error(err);
-    process.exit(1);
-  }
-
-  return seed;
-}
-
-function isSSlStaging() {
-  return config.str("ssl-mode") === "staging";
 }

src/ssl.ts

@@ -0,0 +1,136 @@
+import tls from "tls";
+import {
+  createIndependentFileSmall,
+  openIndependentFileSmall,
+  overwriteIndependentFileSmall,
+} from "./file.js";
+// @ts-ignore
+import promiseRetry from "promise-retry";
+import config from "./config.js";
+import log from "loglevel";
+import { getSeed } from "./util.js";
+import type {
+  IndependentFileSmall,
+  SavedSslData,
+  SslData,
+} from "@lumeweb/relay-types";
+
+let sslCtx: tls.SecureContext = tls.createSecureContext();
+let sslObject: SslData = {};
+
+const FILE_CERT_NAME = "/lumeweb/relay/ssl.crt";
+const FILE_KEY_NAME = "/lumeweb/relay/ssl.key";
+
+export function setSslContext(context: tls.SecureContext) {
+  sslCtx = context;
+}
+
+export function getSslContext(): tls.SecureContext {
+  return sslCtx;
+}
+
+export function setSsl(
+  cert: IndependentFileSmall | Uint8Array,
+  key: IndependentFileSmall | Uint8Array
+): void {
+  cert = (cert as IndependentFileSmall)?.fileData || cert;
+  key = (key as IndependentFileSmall)?.fileData || cert;
+  sslObject.cert = cert as Uint8Array;
+  sslObject.key = key as Uint8Array;
+  setSslContext(
+    tls.createSecureContext({
+      cert: Buffer.from(cert),
+      key: Buffer.from(key),
+    })
+  );
+}
+
+export function getSsl(): SslData {
+  return sslObject;
+}
+
+export async function saveSSl(): Promise<void> {
+  const seed = getSeed();
+
+  log.info(`Saving SSL Certificate for ${config.str("domain")}`);
+
+  let oldCert = await getSslCert();
+  let cert: any = getSsl()?.cert;
+  cert = cert?.fileData;
+  if (oldCert) {
+    await overwriteIndependentFileSmall(
+      oldCert as IndependentFileSmall,
+      Buffer.from(cert)
+    );
+  } else {
+    await createIndependentFileSmall(seed, FILE_CERT_NAME, Buffer.from(cert));
+  }
+
+  let oldKey = await getSslKey();
+  let key: any = getSsl()?.cert;
+  key = key?.fileData;
+
+  if (oldKey) {
+    await overwriteIndependentFileSmall(
+      oldKey as IndependentFileSmall,
+      Buffer.from(key)
+    );
+  } else {
+    await createIndependentFileSmall(seed, FILE_KEY_NAME, Buffer.from(key));
+  }
+}
+
+export async function getSavedSsl(
+  retry = true
+): Promise<boolean | SavedSslData> {
+  let retryOptions = retry ? {} : { retry: 0 };
+  let sslCert: IndependentFileSmall | boolean = false;
+  let sslKey: IndependentFileSmall | boolean = false;
+
+  try {
+    await promiseRetry(async (retry: any) => {
+      sslCert = await getSslCert();
+      if (!sslCert) {
+        retry();
+      }
+    }, retryOptions);
+
+    await promiseRetry(async (retry: any) => {
+      sslKey = await getSslKey();
+      if (!sslKey) {
+        retry();
+      }
+    }, retryOptions);
+  } catch {}
+
+  if (!sslCert || !sslKey) {
+    return false;
+  }
+
+  return {
+    cert: sslCert as IndependentFileSmall,
+    key: sslKey as IndependentFileSmall,
+  };
+}
+
+async function getSslCert(): Promise<IndependentFileSmall | boolean> {
+  return getSslFile(FILE_CERT_NAME);
+}
+
+async function getSslKey(): Promise<IndependentFileSmall | boolean> {
+  return getSslFile(FILE_KEY_NAME);
+}
+
+async function getSslFile(
+  name: string
+): Promise<IndependentFileSmall | boolean> {
+  let seed = getSeed();
+
+  let [file, err] = await openIndependentFileSmall(seed, name);
+
+  if (err) {
+    return false;
+  }
+
+  return file;
+}

src/util.ts

@@ -1,3 +1,17 @@
+import config from "./config";
+import { seedPhraseToSeed } from "libskynet";
+
 export function dynImport(module: string) {
   return Function(`return import("${module}")`)() as Promise<any>;
 }
+
+export function getSeed(): Uint8Array {
+  let [seed, err] = seedPhraseToSeed(config.str("seed"));
+
+  if (err) {
+    console.error(err);
+    process.exit(1);
+  }
+
+  return seed;
+}