awkward/index.html at main · mchalunderscore/awkward · GitHub

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<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>AWKward</title>
  <style>
    body {
      max-width: 720px;
      margin: 40px auto;
      padding: 0 16px;
      font-family: system-ui, sans-serif;
      line-height: 1.4;
    }
    label, textarea, input, button, select { font: inherit; }
    label { display: block; margin-bottom: 6px; font-weight: 700; }
    input, textarea {
      width: 100%;
      box-sizing: border-box;
      border: 1px solid #aaa;
      padding: 8px;
    }
    textarea {
      height: 84px;
      margin: 12px 0 8px;
      font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
      font-size: 13px;
      resize: vertical;
    }
    button { padding: 8px 12px; }
    hr { margin: 32px 0; border: 0; border-top: 1px solid #aaa; }
    h2 { margin: 0 0 12px; }
    iframe { display: block; margin: 18px 0; max-width: 100%; }
    .palette { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0; }
    .swatch {
      width: 28px;
      height: 28px;
      border: 1px solid #aaa;
      background: var(--fill);
      cursor: pointer;
    }
    .swatch[aria-pressed="true"] { outline: 2px solid #171717; outline-offset: 2px; }
    .board-wrap { width: 100%; overflow-x: auto; }
    #place-board svg {
      display: block;
      width: 100%;
      box-sizing: border-box;
      height: auto;
      background: #f2f2ee;
      border: 1px solid #aaa;
    }
    #place-board .px { cursor: crosshair; shape-rendering: crispEdges; stroke: rgba(0, 0, 0, .18); stroke-width: .035; }
    #place-board .px:hover { stroke: #171717; stroke-width: .12; }
    .manual { display: flex; flex-wrap: wrap; gap: 10px; align-items: end; margin: 12px 0 8px; }
    .manual label { display: grid; gap: 4px; margin: 0; }
    .manual input { width: 76px; }
    .manual select { border: 1px solid #aaa; background: #fff; padding: 8px; }
    .guestbook-list {
      min-height: 84px;
      margin: 12px 0;
      padding: 8px;
      border: 1px solid #aaa;
    }
    .guestbook-list ol { margin: 0; padding-left: 24px; }
    .guestbook-list li { margin-bottom: 6px; }
    .guestbook-list time { color: #555; }
    .empty { margin: 0; color: #555; }
    .status { margin-left: 8px; color: #555; }
    footer { margin: 32px 0 0; color: #555; }
  </style>
</head>
<body>
  <h1>AWKward</h1>
  <p>The world's worst website. Everything you see is powered by pure POSIX AWK, served by CGI via HTML, CSS, and a regrettable amount of JS.</p>
  <hr>
  <section aria-labelledby="increment-heading">
  <h2 id="increment-heading">increment.awk</h2>
  <p>The world's most advanced increment button.</p>

  <label for="key">Key</label>
  <input id="key" value="changeme" autocomplete="off">

  <iframe id="preview" title="increment.awk" width="88" height="31" frameborder="0"></iframe>

  <textarea id="embed" readonly></textarea>
  <button id="copy" type="button">Copy</button><span id="status" class="status"></span>
  </section>

  <hr>
  <section aria-labelledby="place-heading">
  <h2 id="place-heading">place.awk</h2>
  <p>A shared 88x31 pixel board.</p>
  <nav class="palette" aria-label="Palette">
    <button type="button" class="swatch" data-color="." aria-label="Erase" title="Erase" style="--fill:#f2f2ee"></button>
    <button type="button" class="swatch" data-color="R" aria-label="Red" title="Red" style="--fill:#e23b3b"></button>
    <button type="button" class="swatch" data-color="G" aria-label="Green" title="Green" style="--fill:#2e9d59"></button>
    <button type="button" class="swatch" data-color="B" aria-label="Blue" title="Blue" style="--fill:#3478d4"></button>
    <button type="button" class="swatch" data-color="Y" aria-label="Yellow" title="Yellow" style="--fill:#f2c84b"></button>
    <button type="button" class="swatch" data-color="C" aria-label="Cyan" title="Cyan" style="--fill:#34b8ba"></button>
    <button type="button" class="swatch" data-color="M" aria-label="Magenta" title="Magenta" style="--fill:#c45ac4"></button>
    <button type="button" class="swatch" data-color="K" aria-label="Black" title="Black" style="--fill:#171717"></button>
    <button type="button" class="swatch" data-color="W" aria-label="White" title="White" style="--fill:#ffffff"></button>
  </nav>
  <div class="board-wrap" id="place-board"></div>
  <form class="manual" id="place-form" method="post" action="/cgi-bin/place.awk">
    <label>x<input id="place-x" name="x" type="number" min="0" max="87" value="0"></label>
    <label>y<input id="place-y" name="y" type="number" min="0" max="30" value="0"></label>
    <label>c
      <select id="place-c" name="c">
        <option value=".">erase</option>
        <option value="R" selected>red</option>
        <option value="G">green</option>
        <option value="B">blue</option>
        <option value="Y">yellow</option>
        <option value="C">cyan</option>
        <option value="M">magenta</option>
        <option value="K">black</option>
        <option value="W">white</option>
      </select>
    </label>
    <button type="submit">Place</button>
  </form>
  <textarea id="place-embed" readonly></textarea>
  <button id="place-copy" type="button">Copy</button><span id="place-status" class="status"></span>
  </section>

  <hr>
  <section aria-labelledby="guestbook-heading">
  <h2 id="guestbook-heading">guestbook.awk</h2>
  <p>Leave a tiny note.</p>
  <div id="guestbook-list" class="guestbook-list" aria-live="polite"></div>
  <p><a href="/cgi-bin/guestbook.awk?full=1" target="_blank" rel="noopener">Open full guestbook</a></p>
  <form id="guestbook-form" method="post" action="/cgi-bin/guestbook.awk">
    <label for="guestbook-name">Name</label>
    <input id="guestbook-name" name="name" maxlength="40" autocomplete="name">
    <label for="guestbook-message">Message</label>
    <textarea id="guestbook-message" name="message" maxlength="240"></textarea>
    <button type="submit">Sign</button><span id="guestbook-status" class="status"></span>
  </form>
  </section>

  <hr>
  <footer><a href="https://github.com/mchalunderscore/awkward">open source</a>. made with malice</footer>

  <script>
    const key = document.getElementById("key");
    const preview = document.getElementById("preview");
    const embed = document.getElementById("embed");
    const status = document.getElementById("status");
    const placeBoard = document.getElementById("place-board");
    const placeButtons = [...document.querySelectorAll(".swatch")];
    const placeSelect = document.getElementById("place-c");
    const placeEmbed = document.getElementById("place-embed");
    const placeStatus = document.getElementById("place-status");
    const guestbookList = document.getElementById("guestbook-list");
    const guestbookStatus = document.getElementById("guestbook-status");
    const placeColors = new Set(placeButtons.map((button) => button.dataset.color));
    const savedPlaceColor = (() => {
      try { return localStorage.getItem("place-color"); } catch (_) { return ""; }
    })();
    let placeColor = placeColors.has(savedPlaceColor) ? savedPlaceColor : "R";

    async function copy(textarea, statusNode) {
      try {
        if (!navigator.clipboard) throw new Error("clipboard unavailable");
        await navigator.clipboard.writeText(textarea.value);
        statusNode.textContent = "Copied";
      } catch (_) {
        textarea.select();
        statusNode.textContent = document.execCommand("copy") ? "Copied" : "Copy failed";
      }
    }

    function safeKey(value) {
      const cleaned = (value || "changeme").replace(/[^A-Za-z0-9_.-]/g, "_").slice(0, 64) || "changeme";
      return cleaned === "." || cleaned === ".." ? "changeme" : cleaned;
    }

    function localDate() {
      const now = new Date();
      const month = String(now.getMonth() + 1).padStart(2, "0");
      const day = String(now.getDate()).padStart(2, "0");
      return `${now.getFullYear()}-${month}-${day}`;
    }

    function setPlaceColor(next) {
      if (!placeColors.has(next)) next = "R";
      placeColor = next;
      try { localStorage.setItem("place-color", placeColor); } catch (_) {}
      placeSelect.value = placeColor;
      for (const button of placeButtons) {
        button.setAttribute("aria-pressed", String(button.dataset.color === placeColor));
      }
    }

    async function requireOk(response) {
      const cgiStatus = response.headers.get("Status");
      if (response.ok && (!cgiStatus || cgiStatus.startsWith("2"))) return response;
      throw new Error(await response.text() || response.statusText || `HTTP ${response.status}`);
    }

    async function loadPlaceBoard() {
      const response = await requireOk(await fetch(`/cgi-bin/place.awk?badge=1&_=${Date.now()}`, { cache: "no-store" }));
      placeBoard.innerHTML = await response.text();
    }

    async function placePixel(x, y, c) {
      placeStatus.textContent = "Placing";
      try {
        const params = new URLSearchParams({ x, y, c });
        await requireOk(await fetch(`/cgi-bin/place.awk?${params}`, {
          method: "POST",
          cache: "no-store"
        }));
        await loadPlaceBoard();
        placeStatus.textContent = "Placed";
      } catch (_) {
        placeStatus.textContent = "Place failed";
      }
    }

    async function loadGuestbook() {
      const response = await requireOk(await fetch(`/cgi-bin/guestbook.awk?_=${Date.now()}`, { cache: "no-store" }));
      guestbookList.innerHTML = await response.text();
    }

    function update() {
      const src = `${location.origin}/cgi-bin/increment.awk?key=${encodeURIComponent(safeKey(key.value))}`;
      preview.src = src;
      embed.value = `<iframe src="${src}" title="increment.awk" width="88" height="31" frameborder="0"></iframe>`;
      status.textContent = "";
    }

    key.addEventListener("input", update);
    document.getElementById("copy").addEventListener("click", () => copy(embed, status));
    document.getElementById("place-copy").addEventListener("click", () => copy(placeEmbed, placeStatus));
    for (const button of placeButtons) {
      button.addEventListener("click", () => setPlaceColor(button.dataset.color));
    }
    placeSelect.addEventListener("change", () => setPlaceColor(placeSelect.value));
    placeBoard.addEventListener("click", (event) => {
      const pixel = event.target.closest(".px");
      if (!pixel) return;
      placePixel(pixel.dataset.x, pixel.dataset.y, placeColor);
    });
    document.getElementById("place-form").addEventListener("submit", (event) => {
      event.preventDefault();
      if (!event.currentTarget.reportValidity()) return;
      placePixel(document.getElementById("place-x").value, document.getElementById("place-y").value, placeSelect.value);
    });
    document.getElementById("guestbook-form").addEventListener("submit", async (event) => {
      event.preventDefault();
      const name = document.getElementById("guestbook-name").value;
      const date = localDate();
      const message = document.getElementById("guestbook-message").value;
      if (!message.trim()) {
        guestbookStatus.textContent = "Message required";
        return;
      }
      guestbookStatus.textContent = "Signing";
      try {
        const params = new URLSearchParams({ name, date, message });
        await requireOk(await fetch(`/cgi-bin/guestbook.awk?${params}`, {
          method: "POST",
          cache: "no-store"
        }));
        document.getElementById("guestbook-message").value = "";
        await loadGuestbook();
        guestbookStatus.textContent = "Signed";
      } catch (_) {
        guestbookStatus.textContent = "Sign failed";
      }
    });
    const placeSrc = `${location.origin}/cgi-bin/place.awk?badge=1`;
    placeEmbed.value = `<img src="${placeSrc}" width="88" height="31">`;
    setPlaceColor(placeColor);
    loadPlaceBoard().catch(() => { placeStatus.textContent = "Board failed"; });
    loadGuestbook().catch(() => { guestbookStatus.textContent = "Load failed"; });
    update();
  </script>
</body>
</html>