96 lines
3.7 KiB
JavaScript
96 lines
3.7 KiB
JavaScript
"use strict";
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var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
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function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
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return new (P || (P = Promise))(function (resolve, reject) {
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function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
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function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
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function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
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step((generator = generator.apply(thisArg, _arguments || [])).next());
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});
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};
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var __importDefault = (this && this.__importDefault) || function (mod) {
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return (mod && mod.__esModule) ? mod : { "default": mod };
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.checkSMTP = void 0;
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const net_1 = __importDefault(require("net"));
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const output_1 = require("../output/output");
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const errorCodes_1 = require("./errorCodes");
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const log = (...args) => {
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if (process.env.DEBUG === 'true') {
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console.log(...args);
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}
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};
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exports.checkSMTP = (sender, recipient, exchange) => __awaiter(void 0, void 0, void 0, function* () {
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const timeout = 1000 * 10; // 10 seconds
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return new Promise(r => {
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let receivedData = false;
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const socket = net_1.default.createConnection(25, exchange);
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socket.setEncoding('ascii');
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socket.setTimeout(timeout);
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socket.on('error', error => {
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log('error', error);
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socket.emit('fail', error);
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});
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socket.on('close', hadError => {
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if (!receivedData && !hadError) {
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socket.emit('fail', 'Mail server closed connection without sending any data.');
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}
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});
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socket.once('fail', msg => {
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r(output_1.createOutput('smtp', msg));
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if (socket.writable && !socket.destroyed) {
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socket.write(`quit\r\n`);
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socket.end();
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socket.destroy();
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}
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});
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socket.on('success', () => {
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if (socket.writable && !socket.destroyed) {
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socket.write(`quit\r\n`);
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socket.end();
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socket.destroy();
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}
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r(output_1.createOutput());
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});
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const commands = [
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`helo ${exchange}\r\n`,
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`mail from: <${sender}>\r\n`,
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`rcpt to: <${recipient}>\r\n`,
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];
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let i = 0;
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socket.on('next', () => {
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if (i < 3) {
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if (socket.writable) {
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socket.write(commands[i++]);
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}
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else {
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socket.emit('fail', 'SMTP communication unexpectedly closed.');
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}
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}
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else {
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socket.emit('success');
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}
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});
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socket.on('timeout', () => {
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socket.emit('fail', 'Timeout');
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});
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socket.on('connect', () => {
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socket.on('data', msg => {
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receivedData = true;
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log('data', msg);
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if (errorCodes_1.hasCode(msg, 220) || errorCodes_1.hasCode(msg, 250)) {
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socket.emit('next', msg);
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}
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else if (errorCodes_1.hasCode(msg, 550)) {
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socket.emit('fail', 'Mailbox not found.');
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}
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else {
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const [code] = Object.typedKeys(errorCodes_1.ErrorCodes).filter(x => errorCodes_1.hasCode(msg, x));
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socket.emit('fail', errorCodes_1.ErrorCodes[code] || 'Unrecognized SMTP response.');
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}
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});
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});
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});
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});
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//# sourceMappingURL=smtp.js.map
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