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Mail server (postfix + dovecot)

A full functional mail server to be used in a local network.

Installation

sudo apt install postfix dovecot-imapd

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<dialog onclick="this.close()">
  <iframe name="modal" onload="this.contentDocument.body.innerHTML.trim() ? (
    this.style.height = 0, this.parentElement.showModal(), 
    this.style.height = this.contentDocument.body.scrollHeight + 'px'
  ) : this.parentElement.close()"></iframe>
</dialog>

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#!/bin/sh

port=8000

echo "Starting server on port $port..."

while true; do
    echo "HTTP/1.1 200 OK
Content-Type: text/plain

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#!/bin/bash

CODE='console.'

INIT='{"jsonrpc":"2.0","id":1,"method":"initialize","params":{"processId":1,"rootUri":null,"capabilities":{}}}'
INITIALIZED='{"jsonrpc":"2.0","method":"initialized","params":{}}'
DIDOPEN="{\"jsonrpc\":\"2.0\",\"method\":\"textDocument/didOpen\",\"params\":{\"textDocument\":{\"uri\":\"file:///dev/null\",\"languageId\":\"typescript\",\"version\":1,\"text\":\"$CODE\"}}}"
COMPLETION="{\"jsonrpc\":\"2.0\",\"id\":2,\"method\":\"textDocument/completion\",\"params\":{\"textDocument\":{\"uri\":\"file:///dev/null\"},\"position\":{\"line\":0,\"character\":${#CODE}}}}"

{

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document.querySelectorAll('template[id]').forEach(({id, content}) => 
  customElements.define(id, class extends HTMLElement {
    constructor() {
      super().attachShadow({mode: 'open'}).appendChild(content.cloneNode(true));
      [...this.attributes].forEach(({name, value}) => {
        const span = document.createElement('span');
        this.appendChild(Object.assign(span, {slot: name})).textContent = value;
        this.removeAttribute(name)
        this.shadowRoot.querySelectorAll(`[${name}]`).forEach(el =>
          !el.getAttribute(name) && el.setAttribute(name, value));

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<iframe hidden onload="this.replaceWith(...contentDocument.body.children)" src="head.html"></iframe>

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<script>
  function formRequest(method) {
    const action = event.target.action;
    event.preventDefault();
    fetch(action, { method, body: new FormData(event.target) })
      .then(res => res.redirected && (location.href = res.url));
  }
  const PUT = formRequest.bind(null, "PUT");
  const DELETE = formRequest.bind(null, "DELETE");
</script>

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package main

import (
	"fmt"
	"net"
	"os"
	"sync"
	"time"
)

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(define (tokenize script-text)
  (let ((tkns (list "")) (in-str? #f))

    (define (append-str! str)
      (set-car! tkns (string-append (car tkns) str)))

    (define (add-tkn! . strs)
      (if (string=? (car tkns) "") (set! tkns (cdr tkns)))
      (set! tkns (append (reverse strs) tkns)))

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const ElementBuilder = new Proxy({}, { get: (_, tagName) => (...args) => {
  const element = Object.assign(document.createElement(tagName), ...args);
  element.append(...args.filter(arg => arg.constructor !== Object));
  return element;
}});

const EventHandler = (element, fn) => Object.assign(element || {}, {
  update: (...newProps) => element.replaceWith(fn(...newProps)),
  listen: (eventType, handler) => (element.dataset.event = "", element)
    .addEventListener(eventType, ({ detail }) => handler(detail)),