5ch.net donguri Hit Response Getter

Fetches and filters hit responses from donguri 5ch boards
目前為 2024-06-01 提交的版本，檢視最新版本。
安裝腳本 ?
Wrap lines
// ==UserScript==
// @name        5ch.net donguri Hit Response Getter
// @namespace   https://gf.qytechs.cn/users/1310758
// @description Fetches and filters hit responses from donguri 5ch boards
// @match       https://donguri.5ch.net/cannonlogs
// @connect     5ch.net
// @license     MIT License
// @author      pachimonta
// @grant       GM_xmlhttpRequest
// @version     2024-06-01_002
// ==/UserScript==
(function() {
  'use strict';

  // Storage for bbs list and subject list
  const bbsList = {};
  const subjectList = {};
  const completedURL = {};

  // Helper functions
  const $ = (selector, context = document) => context.querySelector(selector);
  const $$ = (selector, context = document) => [...context.querySelectorAll(selector)];


  // Sanitize user input to avoid XSS and other injections
  const sanitize = (value) => value.replace(/[^a-zA-Z0-9_:/.\-]/g, '');

  // Update elements visibility based on filtering criteria
  const filterRows = (input, table) => {
    const value = input.value.trim();
    if (!value) {
      $$('tr', table).forEach(row => {
        row.style.display = '';
        return;
      });
      return;
    }

    const criteria = value.split(',').map(item => item.split('=')).reduce((acc, [key, val]) => {
      if (key && val) {
        acc[key.trim()] = key.match(/^(?:log|bbsname|subject)$/) ? val.trim() : sanitize(val.trim());
      }
      return acc;
    }, {});

    $$('tr', table).forEach(row => {
      const isVisible = Object.entries(criteria).every(([key, val]) => {
        if (key === 'ita') {
          key = 'bbs';
        }
        if (key === 'dat') {
          key = 'key';
        }
        if (row.hasAttribute(`data-${key}`)) {
          if (key.match(/^(?:log|bbsname|subject)$/)) {
            return row.getAttribute(`data-${key}`).includes(val);
          } else {
            return row.getAttribute(`data-${key}`).indexOf(val) === 0;
          }
        } else {
          return false;
        }
      });
      row.style.display = isVisible ? '' : 'none';
    });
  };

  // Initialize the filter input and its functionalities
  const createFilterInput = () => {
    const input = document.createElement('input');
    input.type = 'text';
    input.placeholder = 'Filter (e.g., bbs=av, key=1711038453, date=06/01(土) 01:55, id=ac351e30, log=アブソルさん[97a65812])';
    input.style = 'width: 100%; padding: 5px; margin-bottom: 10px;';

    const table = $('table');
    if (table) {
      table.parentNode.insertBefore(input, table);
      input.addEventListener('input', () => {
        location.hash = '#' + input.value;
        return;
      });

      if (location.hash) {
        input.value = decodeURIComponent(location.hash.substring(1));
        filterRows(input, table);
      }

      window.addEventListener('hashchange', () => {
        input.value = decodeURIComponent(location.hash.substring(1));
        filterRows(input, table);
      });
    }
  };

  // Regular expression to detect and replace unwanted characters
  const rloRegex = /[\x00-\x1F\x7F\u200E\u200F\u202A\u202B\u202C\u202D\u202E]/g;
  const replaceTextRecursively = (element) => {
    element.childNodes.forEach(node => {
      if (node.nodeType === Node.TEXT_NODE) {
        node.textContent = node.textContent.replace(rloRegex, match => `[U+${match.codePointAt(0).toString(16).toUpperCase()}]`);
      } else if (node.nodeType === Node.ELEMENT_NODE) {
        replaceTextRecursively(node);
      }
    });
  };

  // Async function to wait until the subject list is loaded
  const waitForSubject = async (bbs, key) => {
    let retryCount = 0;
    while (retryCount < 30 && !(bbs in subjectList && `${key}.dat` in subjectList[bbs])) {
      await new Promise(resolve => setTimeout(resolve, 100));
      retryCount++;
    }
  };

  // GM_xmlhttpRequest wrapper to handle HTTP Get requests
  const getDat = (url, func, mime = 'text/plain; charset=shift_jis', obj = null, bbs = null, key = null, date = null) => {
    if (typeof obj === 'object' && url in completedURL) {
      (async () => {
        await waitForSubject(bbs, key);
        const origin = bbsList[bbs] || "https://origin";
        const bbsName = bbsList[`${bbs}_txt`] || "???";
        const subject = subjectList[bbs][`${key}.dat`] || "???";
        obj.dataset.origin = origin;
        obj.dataset.subject = subject;
        obj.dataset.bbsname = bbsName;
        obj.lastElementChild.insertAdjacentHTML('afterbegin',
          `${bbs} ${key} ${date} <a href="${origin}/test/read.cgi/${bbs}/${key}/#date=${date}" target="_blank">${bbsName} | ${subject}</a> `);
      })();
      return;
    }
    GM_xmlhttpRequest({
      method: 'GET',
      url: url,
      timeout: 60 * 1000,
      overrideMimeType: mime,
      onload: function(response) {
        if (obj !== null) {
          func(response, obj, bbs, key, date);
        } else {
          func(response);
        }
      },
      onerror: function(error) {
        console.error('An error occurred during the request:', error);
      }
    });
  };

  // Process subject line to update subject list and modify the row content
  const subjectFunc = (response, obj = null, bbs = null, key = null, date = null) => {
    completedURL[response.finalUrl] = true;
    if (response.status === 200) {
      const lastmodify = response.responseText;
      lastmodify.split(/[\r\n]+/).forEach(line => {
        const [key, subject] = line.split(/\s*<>\s*/, 2);
        subjectList[bbs][key] = subject;
      });
      if (obj) {
        const origin = bbsList[bbs] || "https://origin";
        const bbsName = bbsList[`${bbs}_txt`] || "???";
        const subject = subjectList[bbs][`${key}.dat`] || "???";
        obj.dataset.origin = origin;
        obj.dataset.subject = subject;
        obj.dataset.bbsname = bbsName;
        obj.lastElementChild.insertAdjacentHTML('afterbegin',
          `${bbs} ${key} ${date} <a href="${origin}/test/read.cgi/${bbs}/${key}/#date=${date}" target="_blank">${bbsName} | ${subject}</a> `);
      }
    } else {
      console.error('Failed to load data. Status code:', response.status);
    }
  };

  // Function to handle each table row for subject processing
  const nextFunc = async () => {
    $$('tr[style^="background-color:white"]').forEach(tr => {
      replaceTextRecursively(tr);
      const log = $('td:nth-of-type(2)', tr).textContent.slice(0, $('td:nth-of-type(2)', tr).textContent.lastIndexOf('はnanashiさんを撃った |')).trim();
      const txt = tr.textContent.slice(tr.textContent.lastIndexOf('|') + 1).trim();
      const [bbs, key, date] = txt.split(' ', 3);
      tr.dataset.bbs = bbs;
      tr.dataset.key = key;
      tr.dataset.date = date;
      tr.dataset.log = log;
      tr.dataset.id = log.slice(-9, -1);

      if (!Object.hasOwn(subjectList, bbs)) {
        subjectList[bbs] = {};
      }
      getDat(`${bbsList[bbs]}/${bbs}/lastmodify.txt`, subjectFunc, 'text/plain; charset=shift_jis', tr, bbs, key, date);
    });
    createFilterInput();
  };

  // Function to process the bbsmenu response
  const bbsmenuFunc = (response) => {
    if (response.status === 200) {
      const html = document.createElement('html');
      html.innerHTML = response.responseText;
      $$('a[href*=".5ch.net/"],a[href*=".bbspink.com/"]', html).forEach(bbsLink => {
        const match = bbsLink.href.match(/\.(?:5ch\.net|bbspink\.com)\/([a-zA-Z0-9_-]+)\/$/);
        if (match) {
          bbsList[match[1]] = new URL(bbsLink.href).origin;
          bbsList[`${match[1]}_txt`] = bbsLink.textContent.trim();
        }
      });
      if (Object.keys(bbsList).length === 0) {
        console.error('No boards found.');
        return;
      }
      nextFunc();
    } else {
      console.error('Failed to fetch bbsmenu. Status code:', response.status);
    }
  };

  // Initial data fetch from bbsmenu
  getDat('https://menu.5ch.net/bbsmenu.html', bbsmenuFunc, 'text/html; charset=shift_jis');
})();
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