First Commit

.editorconfig

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+root=true
+[*]
+charset = utf-8
+indent_size = 3
+indent_style = space
+insert_final_newline = true

.gitignore

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+node_modules/
+lib/
+config.ini

package.json

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+{
+   "name": "@hibas123/issc",
+   "version": "1.0.0",
+   "description": "",
+   "main": "lib/index.js",
+   "bin": "lib/index.js",
+   "scripts": {
+      "dev": "nodemon -e ts --exec ts-node src/index.ts",
+      "build": "tsc && pkg ."
+   },
+   "pkg": {
+      "targets": [
+         "node12-linux"
+      ]
+   },
+   "author": "Fabian Stamm <dev@fabianstamm.de>",
+   "license": "ISC",
+   "devDependencies": {
+      "@types/ini": "^1.3.30",
+      "@types/node": "^14.0.23",
+      "@types/nodemailer": "^6.4.0",
+      "@types/yargs": "^15.0.5",
+      "nodemon": "^2.0.4",
+      "pkg": "^4.4.9",
+      "ts-node": "^8.10.2",
+      "typescript": "^3.9.7"
+   },
+   "dependencies": {
+      "@hibas123/nodelogging": "^2.4.5",
+      "get-stdin": "^8.0.0",
+      "ini": "^1.3.5",
+      "nodemailer": "^6.4.10",
+      "yargs": "^15.4.1"
+   }
+}

src/index.ts

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+process.env.LOGGING_NO_DEFAULT = "true";
+import { LoggingBase, ConsoleAdapter } from "@hibas123/logging";
+
+import * as yargs from "yargs";
+
+const options = yargs
+   .option("verbose", {
+      alias: "v",
+      type: "boolean",
+      description: "Print debug informations",
+      required: false,
+   })
+   .option("config", {
+      alias: "c",
+      type: "string",
+      default: "/etc/issc.ini",
+      description: "Config file location",
+   })
+   .option("to", {
+      alias: "t",
+      description: "The receiver of the email",
+      type: "string",
+      required: true,
+   })
+   .option("subject", {
+      alias: "s",
+      description: "Subject of the mail",
+      type: "string",
+      required: false,
+   }).argv;
+
+const Logging = new LoggingBase({
+   console: false,
+});
+
+if (options.verbose) {
+   Logging.addAdapter(new ConsoleAdapter(true));
+}
+
+Logging.log("Starting INSANLY SIMPLE SMTP CLIENT");
+
+const EXAMPLE_CONFIG = `
+[smtp]
+server=
+from=
+username=
+password=
+port=
+`;
+
+import * as nm from "nodemailer";
+
+import * as ini from "ini";
+import { readFileSync, fstat, existsSync } from "fs";
+
+Logging.log("Loading configuration");
+
+if (!existsSync(options.config)) {
+   console.log(
+      "Add configuration to /etc/issc.ini or set your location by using --config <path>. \n\n Example config: \n\n" +
+         EXAMPLE_CONFIG
+   );
+   process.exit(1);
+}
+
+const config = ini.parse(readFileSync(options.config, "utf-8"));
+Logging.log("Creating Transport");
+const transport = nm.createTransport({
+   host: config.smtp.server,
+   port: Number(config.smtp.port || 587),
+   secure: false,
+   auth: {
+      user: config.smtp.username,
+      pass: config.smtp.password,
+      method: "PLAIN",
+   },
+   logger: {
+      fatal: Logging.errorMessage,
+      trace: Logging.log,
+      level: () => undefined,
+      debug: Logging.debug,
+      error: Logging.errorMessage,
+      info: Logging.log,
+      warn: Logging.warn,
+   },
+});
+Logging.log("Verifying transport");
+
+import getstdin = require("get-stdin");
+
+transport
+   .verify()
+   .then(async () => {
+      Logging.log("Reading STDIN");
+      const text = await getstdin();
+      Logging.log("Sending mail");
+      const res = await transport.sendMail({
+         from: config.smtp.from,
+         to: options.to,
+         subject: options.subject,
+         text,
+      });
+
+      console.log("Message sent");
+   })
+   .catch((err) => {
+      Logging.error(err);
+      console.log("Some error occured!", err.message);
+   })
+   .finally(() => {
+      transport.close();
+      process.exit();
+   });

tsconfig.json

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+{
+   "compilerOptions": {
+      "outDir": "lib/",
+      "target": "ESNext",
+      "module": "CommonJS",
+      "moduleResolution": "Node",
+      "resolveJsonModule": true,
+      "sourceMap": true
+   },
+   "include": ["src/"]
+}