Comchat-Mods

Enhance Comchat functionality

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey 篡改猴Greasemonkey 油猴子Violentmonkey 暴力猴,才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey 篡改猴,才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey 篡改猴Violentmonkey 暴力猴,才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey 篡改猴Userscripts ,才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey 篡改猴,才能安装此脚本。

您需要先安装一款用户脚本管理器扩展后才能安装此脚本。

(我已经安装了用户脚本管理器,让我安装!)

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

(我已经安装了用户样式管理器,让我安装!)

// ==UserScript==
// @name         Comchat-Mods
// @namespace    https://chatproxy.chat/
// @version      2026-04-02
// @description  Enhance Comchat functionality
// @author       Anonymous
// @license      MIT
// @match        https://chat.guro.cx
// @icon         https://www.google.com/s2/favicons?sz=64&domain=guro.cx
// @grant        none
// ==/UserScript==
// @ts-check

(function () {
  'use strict';

  console.log('Comchat-Mods loaded');

  // A little type-checking deception below
  const frames = document.querySelector('frame' + 'set');
  const formFrame = /** @type {HTMLIFrameElement} */ (document.querySelector('frame[name="form"]'));
  const logFrame = /** @type {HTMLIFrameElement} */ (document.querySelector('frame[name="log"]'));
  let formDoc;
  let form;
  let formSrc;
  let savedRows;
  let savedLogFrameSrc;
  let originalSound = localStorage.getItem('originalSoundEnabled') || localStorage.getItem('notificationSoundEnabled') || 'true';

  if (!frames || !formFrame || !logFrame) {
    return;
  }

  localStorage.setItem('originalSoundEnabled', originalSound);
  savedRows = frames.getAttribute('rows');
  frames.setAttribute('rows', '0,*');
  frames.setAttribute('frameborder', '0');
  frames.setAttribute('border', '0');
  frames.setAttribute('framespacing', '0');
  savedLogFrameSrc = logFrame.src;
  logFrame.src = 'https://chatproxy.chat/?framed=true';

  const hiddenFrame = document.createElement('iframe');

  hiddenFrame.name = 'hidden_frame';
  hiddenFrame.style.display = 'none';
  document.body.appendChild(hiddenFrame);

  function revert() {
    hiddenFrame.remove();
    frames.setAttribute('rows', savedRows);
    frames.removeAttribute('frameborder');
    frames.removeAttribute('border');
    frames.removeAttribute('framespacing');
    logFrame.src = savedLogFrameSrc;

    let currentForm = document.querySelector('frame[name="entry"]');

    if (currentForm) {
      currentForm.setAttribute('target', 'form');
    }
    else if ((currentForm = document.querySelector('frame[name="send"]'))) {
      currentForm.setAttribute('target', 'log');
    }

    if (formDoc) {
      formDoc.getElementById('notificationSoundCheckbox').checked = (originalSound === 'true');
    }

    localStorage.setItem('notificationSoundEnabled', originalSound);
  }

  function extractError(body) {
    if (!body) {
      return 'Page not loaded';
    }

    const html = body.innerHTML;

    if (html && !html.includes('<(form|div)')) { // No form or div? Might be error page.
      return (/<h1>([3-5]\d\d\b.+)<\/h2>/.exec(html) || [])[1];
    }

    return null;
  }

  function documentCheck(frame, action, selector, callback = null, tries = 0) {
    const doc = frame.contentDocument;
    const formError = extractError(doc?.body);

    if (formError && formError !== 'Page not loaded') {
      logFrame.contentWindow.postMessage([action, formError], '*');
    }
    else if (doc.querySelector(selector)) {
      logFrame.contentWindow.postMessage([action, null], '*');

      if (callback) {
        callback();
      }
    }
    else if (++tries < 50) {
      setTimeout(() => documentCheck(frame, action, selector, callback, ++tries), 100);
    }
    else {
      logFrame.contentWindow.postMessage([action, 'Timed out'], '*');
    }
  }

  function enterChatRoom(name, email, color) {
    const nameField = formDoc.querySelector('input[name="name"]');
    const emailField = formDoc.querySelector('input[name="email"]');

    if (!nameField || !emailField) { // Already in chat?
      const comment = formDoc.querySelector('input[name="comment"]');

      if (comment) {
        comment.value = '';
      }

      logFrame.contentWindow.postMessage(['enterChatRoom', null], '*');
      return;
    }

    if (!formSrc) {
      formSrc = formFrame.src;
    }

    let tripCode;
    [name, tripCode] = name.split('#');

    if (tripCode) {
      localStorage.setItem('password', tripCode);
    }

    const colorButton = formDoc.querySelector(`input[type="radio"][value="${color}"]`);
    const submitButton = formDoc.querySelector('input[type="submit"]');

    form.setAttribute('target', '_self');
    nameField.value = name || '';
    emailField.value = email || '';
    colorButton?.click();
    submitButton.click();

    documentCheck(formFrame, 'enterChatRoom', 'input[name="comment"]', () => {
      formDoc = formFrame.contentDocument;
      formDoc.getElementById('notificationSoundCheckbox').checked = false;
      localStorage.setItem('notificationSoundEnabled', 'false');
    });
  }

  function leaveChatRoom() {
    const leaveButton = formDoc.querySelector('input[type="button"][value="Leave room"]') ||
      formDoc.querySelector('input[type="button"]');

    if (leaveButton) {
      form.setAttribute('target', '_self');
      leaveButton.click();
    }

    formFrame.src = formSrc;
    documentCheck(formFrame, 'leaveChatRoom', 'input[name="name"]');
  }

  function sendChatMessage(comment, color, tripCode) {
    let face = '';
    const $ = /^(.*)(\u2000(.+)\u2000)\s*$/.exec(comment);

    if ($) {
      comment = $[1];
      face = $[3];
    }

    formDoc.querySelector('select[name="color"]').value = color || 0;
    formDoc.querySelector('#face').value = face;
    formDoc.querySelector('input[name="comment"]').value = comment || '';
    formDoc.querySelector('input[name="password"]').value = tripCode || '';
    formDoc.querySelector('form').setAttribute('target', 'hidden_frame');

    hiddenFrame.contentDocument.body.innerHTML = '';
    form.submit();

    documentCheck(hiddenFrame, 'sendChatMessage', 'div[class="messageRow"]');
  }

  window.addEventListener('message', evt => {
    formDoc = formFrame.contentDocument;
    form = formDoc.querySelector('form');

    switch (evt.data[0]) {
      case 'enterChatRoom':
        enterChatRoom(evt.data[1], evt.data[2], evt.data[3]);
        break;
      case 'leaveChatRoom':
        leaveChatRoom();
        break;
      case 'sendChatMessage':
        sendChatMessage(evt.data[1], evt.data[2], evt.data[3]);
        break;
      case 'updateTitle':
        document.title = evt.data[1];
        break;
      case 'revert':
        revert();
        break;
    }
  });
})();