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Another cmoa.jp Downloader

用于网站cmoa.jp的下载。在顶部菜单选项右侧点击download按钮开始下载。按钮没有显示的话尝试重新打开菜单栏。图片每50页分为一部分进行压缩下载，压缩需要40-60秒，请不要关闭或刷新页面。

  1. // ==UserScript==
  2. // @name         Another cmoa.jp Downloader
  3. // @namespace    Ziran
  4. // @version      2.3.0
  5. // @description  用于网站cmoa.jp的下载。在顶部菜单选项右侧点击download按钮开始下载。按钮没有显示的话尝试重新打开菜单栏。图片每50页分为一部分进行压缩下载，压缩需要40-60秒，请不要关闭或刷新页面。
  6. // @author       Ziran
  7. // @match        https://www.cmoa.jp/bib/*
  8. // @match        https://yomiho.cmoa.jp/bib/*
  9. // @require      https://cdn.jsdelivr.net/npm/file-saver@2.0.2/dist/FileSaver.min.js
  10. // @require      https://cdn.jsdelivr.net/npm/jszip@3.2.0/dist/jszip.min.js
  11. // @grant        none
  12. // @license      MIT
  13. // ==/UserScript==
  14.  
  15. (function () {
  16.     "use strict";
  17.  
  18.     function addSpeedreaderCanvas() {
  19.         let canvas = document.createElement("canvas");
  20.         canvas.id = "temp-canvas";
  21.         canvas.style.cssText = `position: fixed;
  22.                           top: 15%;
  23.                           left: 5%;
  24.                           height: 268px;
  25.                           width: 187px;
  26.                           background-color: pink;
  27.                           z-index: 19;
  28.                           visibility:hidden;`;
  29.  
  30.         document.body.appendChild(canvas);
  31.     }
  32.  
  33.     function addSpeedreaderRadio() {
  34.         let downloadingMessage = document.createElement("span");
  35.         downloadingMessage.id = "downloading-message";
  36.         downloadingMessage.innerText = "downloading……";
  37.         downloadingMessage.style.cssText = `position: fixed;
  38.                           top: 10px;
  39.                           right: 80px;
  40.                           font-size: 16px;
  41.                           font-weight: 500;
  42.                           visibility:hidden;`;
  43.  
  44.         let menu_header = document.getElementById("menu_header");
  45.         menu_header.appendChild(downloadingMessage);
  46.     }
  47.  
  48.     function addSpeedreaderButton() {
  49.         let button = document.createElement("button");
  50.         button.id = "download-button";
  51.         button.innerHTML = "download";
  52.         button.style.cssText = `position: fixed;
  53.                           top: 11px;
  54.                           right: 80px;
  55.                           font-size:16px;
  56.                           border-style: none;
  57.                           text-align:center;
  58.                           vertical-align:baseline;
  59.                           cursor:pointer`;
  60.  
  61.         button.onclick = async function () {
  62.             changeDownloadStatus("on");
  63.             let zip = new JSZip();
  64.             let folder = zip.folder(__sreaderFunc__.contentInfo.items[0].SubTitle);
  65.             let partCounter = 0;
  66.             let partPages = 50;
  67.             for (let i = 0; i < __sreaderFunc__.currentPageInfo.endPageNumber; i++) {
  68.                 partCounter = i + 1;
  69.                 if (partCounter % partPages == 0) {
  70.                     await zip.generateAsync({ type: "blob" })
  71.                         .then(function (content) {
  72.                         saveAs(content, __sreaderFunc__.contentInfo.items[0].SubTitle + "_part" + Math.floor(partCounter / partPages).toString());
  73.                     });
  74.                     zip = new JSZip();
  75.                     folder = zip.folder(__sreaderFunc__.contentInfo.items[0].SubTitle);
  76.                 }
  77.                 __sreaderFunc__.moveTo(i, !1);
  78.                 let content = document.getElementById("content-p" + (i + 1).toString());
  79.                 while (!content.hasChildNodes()) {
  80.                     await sleep(200);
  81.                 }
  82.                 let ptimg = content.firstElementChild;
  83.                 while (!ptimg.hasChildNodes()) {
  84.                     await sleep(200);
  85.                     ptimg = content.firstElementChild;
  86.                 }
  87.  
  88.                 let canvas = document.getElementById("temp-canvas");
  89.                 let ctx = canvas.getContext('2d');
  90.  
  91.                 let imgPartParent = ptimg.firstElementChild;
  92.                 let imgPart = imgPartParent.firstElementChild;
  93.                 canvas.height = imgPart.naturalHeight * ptimg.offsetHeight / imgPartParent.offsetHeight;
  94.                 canvas.width = canvas.height * ptimg.offsetWidth / ptimg.offsetHeight;
  95.  
  96.                 for (let i = 0; i < 3; i++) {
  97.                     let imgPart = imgPartParent.firstElementChild;
  98.                     while (!imgPart.complete) {
  99.                         await sleep(200);
  100.                     }
  101.  
  102.                     let insetArr = imgPartParent.style.inset.split('%');
  103.                     for (let j = 0; j < 4 && j < insetArr.length; j++) {
  104.                         insetArr[j] = insetArr[j].trim();
  105.                         insetArr[j] = parseFloat(insetArr[j]) / 100.0;
  106.                     }
  107.                     let imgHeight = canvas.height * (1 - insetArr[0] - insetArr[2]);
  108.                     let imgWidth = imgHeight * imgPart.naturalWidth / imgPart.naturalHeight;
  109.                     let imgY = canvas.height * insetArr[0];
  110.                     ctx.drawImage(imgPart, 0, imgY, imgWidth, imgHeight);
  111.  
  112.                     imgPartParent = imgPartParent.nextElementSibling;
  113.                 }
  114.                 folder.file((i + 1).toString() + ".png", canvas.toDataURL().split(',')[1], { base64: true });
  115.             }
  116.             if (partCounter % partPages != 0) {
  117.                 await zip.generateAsync({ type: "blob" })
  118.                     .then(function (content) {
  119.                     saveAs(content, __sreaderFunc__.contentInfo.items[0].SubTitle + "_part" + Math.ceil(partCounter / partPages).toString());
  120.                 });
  121.             }
  122.             changeDownloadStatus("off");
  123.         };
  124.  
  125.         let menu_header = document.getElementById("menu_header");
  126.         menu_header.appendChild(button);
  127.     }
  128.  
  129.     function sleep(time) {
  130.         return new Promise((resolve) => setTimeout(resolve, time));
  131.     }
  132.  
  133.     function changeDownloadStatus(status) {
  134.         let button = document.getElementById("download-button");
  135.         let downloadingMessage = document.getElementById("downloading-message");
  136.         if (status == "on") {
  137.             alert("开始下载，请稍候");
  138.             button.style.visibility = "hidden";
  139.             downloadingMessage.style.visibility = "visible";
  140.         }
  141.         else if (status == "off") {
  142.             button.style.visibility = "visible";
  143.             downloadingMessage.style.visibility = "hidden";
  144.         }
  145.         return
  146.     }
  147.  
  148.     function addReaderButton() {
  149.         let button = document.createElement("button");
  150.         button.id = "download-button";
  151.         button.innerHTML = "download";
  152.         button.style.cssText = `position: fixed;
  153.                           top: 11px;
  154.                           right: 80px;
  155.                           font-size:16px;
  156.                           border-style: none;
  157.                           text-align:center;
  158.                           vertical-align:baseline;
  159.                           cursor:pointer`;
  160.  
  161.         button.onclick = async function () {
  162.             alert("开始下载，请稍候");
  163.             let text = ZOM0KK.ZZN0AE.value;
  164.             let title = '';
  165.             title = text.match(/(?<=<title>).*(?=<\/title>)/)[0];
  166.             text = text.replace(/<head>.*?<\/head>/s, '');
  167.             text = text.replace(/<t-param indent="0".*?>/g, '\n');
  168.             text = text.replace(/<br.*?>/g, '\n');
  169.             text = text.replace(/<.*?>/g, '');
  170.  
  171.             let sss = text.match(/&\$.*?;/g, '');
  172.             for (let i = 0; i < sss.length; i++) {
  173.                 text = text.replace(sss[i], theZ2Q0F5(sss[i].slice(2, sss[i].length - 1)));
  174.             }
  175.  
  176.             while (text[0] === '\n') {
  177.                 text = text.slice(1, text.length);
  178.             }
  179.  
  180.             let blob = new Blob([text], { type: "text/plain;charset=utf-8" });
  181.             saveAs(blob, title + ".txt");
  182.         };
  183.  
  184.         let menu_header = document.getElementById("ctmble_menu_upper_holder");
  185.         menu_header.appendChild(button);
  186.     }
  187.  
  188.     function theZ2Q0F5(ss) {
  189.         let vs = Z2Q0F5(ss);
  190.         let sb;
  191.         let sp;
  192.         let cd1;
  193.         let cd2;
  194.         ss = "";
  195.         if (vs < 256) {
  196.             sb = vs % 256;
  197.             ss = String.fromCharCode(sb)
  198.         } else if (vs >= 65536) {
  199.             sp = vs - 65536;
  200.             cd1 = 55296 | sp >> 10;
  201.             cd2 = 56320 | sp & 1023;
  202.             ss = String.fromCharCode(cd1, cd2)
  203.         } else {
  204.             ss = String.fromCharCode(vs)
  205.         }
  206.         return ss;
  207.     }
  208.  
  209.     // Run script
  210.     let isButtonCreated = false;
  211.     document.onclick = function (e) {
  212.         if (document.documentURI.indexOf('cmoa.jp/bib/reader/') != -1) {
  213.             if (!isButtonCreated && document.getElementById("ctmble_menu_upper_holder") != null) {
  214.                 addReaderButton();
  215.                 isButtonCreated = true;
  216.             }
  217.         }
  218.         if (document.documentURI.indexOf('cmoa.jp/bib/speedreader/') != -1) {
  219.             if (!isButtonCreated && document.getElementById("menu_header") != null) {
  220.                 addSpeedreaderButton();
  221.                 addSpeedreaderCanvas();
  222.                 addSpeedreaderRadio();
  223.                 isButtonCreated = true;
  224.             }
  225.         }
  226.     }
  227. })();

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