.dockerignore

@@ -0,0 +1,4 @@
+node_modules
+.git
+.idea
+.vscode

.github/workflows/build.yaml

@@ -0,0 +1,30 @@
+name: Build
+
+on:
+  push:
+    branches:
+      - 'main'
+
+
+jobs:
+  docker:
+    runs-on: ubuntu-latest
+    steps:
+      -
+        name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+      -
+        name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      -
+        name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      -
+        name: Build and push
+        uses: docker/build-push-action@v5
+        with:
+          push: true
+          tags: user/app:latest

Dockerfile

@@ -0,0 +1,8 @@
+FROM node:22-alpine
+ARG APP_DIR=app
+RUN mkdir -p ${APP_DIR}
+WORKDIR ${APP_DIR}
+COPY package*.json ./
+RUN npm install
+COPY ./build ./
+CMD ["npm", "start"]

build/index.js

@@ -1 +1,166 @@
-console.log('Heartbeat is ok');
+var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
+    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
+    return new (P || (P = Promise))(function (resolve, reject) {
+        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
+        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
+        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
+        step((generator = generator.apply(thisArg, _arguments || [])).next());
+    });
+};
+var __generator = (this && this.__generator) || function (thisArg, body) {
+    var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
+    return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
+    function verb(n) { return function (v) { return step([n, v]); }; }
+    function step(op) {
+        if (f) throw new TypeError("Generator is already executing.");
+        while (g && (g = 0, op[0] && (_ = 0)), _) try {
+            if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
+            if (y = 0, t) op = [op[0] & 2, t.value];
+            switch (op[0]) {
+                case 0: case 1: t = op; break;
+                case 4: _.label++; return { value: op[1], done: false };
+                case 5: _.label++; y = op[1]; op = [0]; continue;
+                case 7: op = _.ops.pop(); _.trys.pop(); continue;
+                default:
+                    if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
+                    if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
+                    if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
+                    if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
+                    if (t[2]) _.ops.pop();
+                    _.trys.pop(); continue;
+            }
+            op = body.call(thisArg, _);
+        } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
+        if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
+    }
+};
+var __asyncValues = (this && this.__asyncValues) || function (o) {
+    if (!Symbol.asyncIterator) throw new TypeError("Symbol.asyncIterator is not defined.");
+    var m = o[Symbol.asyncIterator], i;
+    return m ? m.call(o) : (o = typeof __values === "function" ? __values(o) : o[Symbol.iterator](), i = {}, verb("next"), verb("throw"), verb("return"), i[Symbol.asyncIterator] = function () { return this; }, i);
+    function verb(n) { i[n] = o[n] && function (v) { return new Promise(function (resolve, reject) { v = o[n](v), settle(resolve, reject, v.done, v.value); }); }; }
+    function settle(resolve, reject, d, v) { Promise.resolve(v).then(function(v) { resolve({ value: v, done: d }); }, reject); }
+};
+var _this = this;
+var chalk = require('chalk');
+var ImapFlow = require('imapflow').ImapFlow;
+var simpleParser = require('mailparser').simpleParser;
+var Telegraf = require('telegraf').Telegraf;
+require('dotenv').config();
+var bot = new Telegraf(process.env.TELEGRAM_BOT_TOKEN);
+var POLLING_TIMEOUT = 30;
+var MARK_STRING = process.env.MARK_STRING;
+var clientConfig = {
+    host: process.env.EMAIL_IMAP_SERVER,
+    port: process.env.EMAIL_IMAP_SERVER_PORT,
+    secure: true,
+    auth: {
+        user: process.env.EMAIL_ADDRESS,
+        pass: process.env.EMAIL_PASSWORD,
+    }
+};
+var main = function () { return __awaiter(_this, void 0, void 0, function () {
+    var client, lock, listSeenMsgId, _loop_1, _a, _b, _c, e_1_1, e_2;
+    var _d, e_1, _e, _f;
+    return __generator(this, function (_g) {
+        switch (_g.label) {
+            case 0:
+                client = new ImapFlow(clientConfig);
+                return [4 /*yield*/, client.connect()];
+            case 1:
+                _g.sent(); // Wait until client connects and authorizes
+                return [4 /*yield*/, client.getMailboxLock('INBOX')];
+            case 2:
+                lock = _g.sent();
+                _g.label = 3;
+            case 3:
+                _g.trys.push([3, 18, 19, 21]);
+                return [4 /*yield*/, client.search({ seen: false })];
+            case 4:
+                listSeenMsgId = _g.sent();
+                console.log('📌', chalk.cyan('UNSEEN LIST:'), listSeenMsgId);
+                _g.label = 5;
+            case 5:
+                _g.trys.push([5, 11, 12, 17]);
+                _loop_1 = function () {
+                    var message, email, parsed;
+                    return __generator(this, function (_h) {
+                        switch (_h.label) {
+                            case 0:
+                                _f = _c.value;
+                                _a = false;
+                                message = _f;
+                                if (!(message.envelope.subject === MARK_STRING)) return [3 /*break*/, 2];
+                                email = Buffer.from(message.source).toString();
+                                return [4 /*yield*/, simpleParser(email)];
+                            case 1:
+                                parsed = _h.sent();
+                                console.log('📌', chalk.cyan('Message:'), chalk.yellow(parsed.text));
+                                if (parsed.text) {
+                                    bot.telegram.sendMessage(process.env.TELEGRAM_GROUP_ID, parsed.text)
+                                        .then()
+                                        .catch(console.error);
+                                }
+                                client.messageFlagsAdd(message.seq.toString(), ['\\Seen'])
+                                    .then(function (result) { return console.log('📌', chalk.cyan("Set seen flag for id-".concat(message.seq)), result); })
+                                    .catch(function (error) { return console.log(error); });
+                                _h.label = 2;
+                            case 2: return [2 /*return*/];
+                        }
+                    });
+                };
+                _a = true, _b = __asyncValues(client.fetch(listSeenMsgId, {
+                    envelope: true,
+                    source: true
+                }));
+                _g.label = 6;
+            case 6: return [4 /*yield*/, _b.next()];
+            case 7:
+                if (!(_c = _g.sent(), _d = _c.done, !_d)) return [3 /*break*/, 10];
+                return [5 /*yield**/, _loop_1()];
+            case 8:
+                _g.sent();
+                _g.label = 9;
+            case 9:
+                _a = true;
+                return [3 /*break*/, 6];
+            case 10: return [3 /*break*/, 17];
+            case 11:
+                e_1_1 = _g.sent();
+                e_1 = { error: e_1_1 };
+                return [3 /*break*/, 17];
+            case 12:
+                _g.trys.push([12, , 15, 16]);
+                if (!(!_a && !_d && (_e = _b.return))) return [3 /*break*/, 14];
+                return [4 /*yield*/, _e.call(_b)];
+            case 13:
+                _g.sent();
+                _g.label = 14;
+            case 14: return [3 /*break*/, 16];
+            case 15:
+                if (e_1) throw e_1.error;
+                return [7 /*endfinally*/];
+            case 16: return [7 /*endfinally*/];
+            case 17: return [3 /*break*/, 21];
+            case 18:
+                e_2 = _g.sent();
+                console.log(e_2);
+                return [3 /*break*/, 21];
+            case 19:
+                lock.release(); // mandatory release mailbox
+                return [4 /*yield*/, client.logout()];
+            case 20:
+                _g.sent(); // log out and close connection
+                console.log('🧡', chalk.cyan('Heartbeat is ok'));
+                return [7 /*endfinally*/];
+            case 21: return [2 /*return*/];
+        }
+    });
+}); };
+//main().then().catch(err => console.error(err)); // start once for development
+setInterval(function () { return __awaiter(_this, void 0, void 0, function () {
+    return __generator(this, function (_a) {
+        main().then().catch(function (err) { return console.error(err); });
+        return [2 /*return*/];
+    });
+}); }, POLLING_TIMEOUT * 1000);

docker-compose.yaml

@@ -0,0 +1,6 @@
+version: '3'
+services:
+  app:
+    build: .
+    container_name: docker-request-bot
+    restart: always

package.json

@@ -1,19 +1,28 @@
 {
   "name": "requestbot",
-  "version": "1.0.0",
+  "version": "0.1.0",
   "description": "",
   "main": "/src/index.ts",
   "scripts": {
+    "start": "node index.js",
     "watch": "npx nodemon ./src/index.ts",
-    "build": "npx tsc ./src/index.ts --outDir ./build && node ./build/index.js",
+    "build": "npx tsc ./src/index.ts --outDir ./build",
     "test": "echo \"Error: no test specified\" && exit 1"
   },
   "author": "",
   "license": "ISC",
   "devDependencies": {
+    "@types/imapflow": "^1.0.18",
+    "@types/mailparser": "^3.4.4",
     "dotenv": "^16.4.5",
     "nodemon": "^3.1.0",
     "ts-node": "^10.9.2",
     "typescript": "^5.4.5"
+  },
+  "dependencies": {
+    "chalk": "^4.1.2",
+    "imapflow": "^1.0.162",
+    "mailparser": "^3.7.1",
+    "telegraf": "^4.16.3"
   }
 }

src/index.ts

@@ -1 +1,70 @@
-console.log('Heartbeat is ok')
+const chalk = require('chalk');
+const {ImapFlow} = require('imapflow');
+const simpleParser = require('mailparser').simpleParser
+const {Telegraf} = require('telegraf');
+
+require('dotenv').config()
+
+const bot = new Telegraf(process.env.TELEGRAM_BOT_TOKEN);
+
+const POLLING_TIMEOUT = 30
+
+const MARK_STRING = process.env.MARK_STRING
+
+const clientConfig = {
+  host: process.env.EMAIL_IMAP_SERVER,
+  port: process.env.EMAIL_IMAP_SERVER_PORT,
+  secure: true,
+  auth: {
+    user: process.env.EMAIL_ADDRESS,
+    pass: process.env.EMAIL_PASSWORD,
+  }
+}
+
+const main = async () => {
+  const client = new ImapFlow(clientConfig);
+  await client.connect(); // Wait until client connects and authorizes
+  const lock = await client.getMailboxLock('INBOX'); // Open mailbox
+
+  try {
+    let listSeenMsgId = await client.search({seen: false}); // search only unseen messages
+    console.log('📌', chalk.cyan('UNSEEN LIST:'), listSeenMsgId)
+
+    for await (let message of client.fetch(listSeenMsgId,
+      {
+        envelope: true,
+        source: true
+      })) {
+
+      if (message.envelope.subject === MARK_STRING) {
+        let email = Buffer.from(message.source).toString()
+        const parsed = await simpleParser(email)
+        console.log('📌', chalk.cyan('Message:'), chalk.yellow(parsed.text));
+
+        if (parsed.text) {
+          bot.telegram.sendMessage(process.env.TELEGRAM_GROUP_ID, parsed.text)
+            .then()
+            .catch(console.error)
+        }
+
+        client.messageFlagsAdd(message.seq.toString(), ['\\Seen'])
+          .then((result: any) => console.log('📌', chalk.cyan(`Set seen flag for id-${message.seq}`), result))
+          .catch((error: any) => console.log(error))
+      }
+    }
+
+  } catch (e) {
+    console.log(e)
+  } finally {
+    lock.release(); // mandatory release mailbox
+    await client.logout(); // log out and close connection
+    console.log('🧡', chalk.cyan('Heartbeat is ok'))
+  }
+};
+
+//main().then().catch(err => console.error(err)); // start once for development
+
+setInterval(async () => {
+  main().then().catch(err => console.error(err));
+}, POLLING_TIMEOUT * 1000)
+