// ==UserScript== // @name Oxford Academic导出PDF // @namespace https://qinlili.bid // @version 1.0.0 // @description 自动获取并合并PDF // @author 琴梨梨 // @license WTFPL // @match https://academic.oup.com/edited-volume/* // @icon https://oup.silverchair-cdn.com/UI/app/img/v-638282418223920402/apple-touch-icon.png // @run-at document-idle // @require https://lib.baomitu.com/pdf-lib/1.17.1/pdf-lib.min.js#sha512-z8IYLHO8bTgFqj+yrPyIJnzBDf7DDhWwiEsk4sY+Oe6J2M+WQequeGS7qioI5vT6rXgVRb4K1UVQC5ER7MKzKQ== // @grant GM_xmlhttpRequest // @grant GM_registerMenuCommand // @downloadURL https://update.greasyfork.icu/scripts/475323/Oxford%20Academic%E5%AF%BC%E5%87%BAPDF.user.js // @updateURL https://update.greasyfork.icu/scripts/475323/Oxford%20Academic%E5%AF%BC%E5%87%BAPDF.meta.js // ==/UserScript== (async function() { //CODENAME:Carboxylate 'use strict'; const config={ //带目录导出，需要依赖闭源的PSPDFKIT，目前暂不可用，有待进一步开发 writeOutline:false, //去除账号标识，开发中 removeAccountInfo:false }; GM.registerMenuCommand("原神，启动！", () => { location.href="https://ys.mihoyo.com/"; }); const dlFile = (link, name) => { let eleLink = document.createElement('a'); eleLink.download = name; eleLink.style.display = 'none'; eleLink.href = link; document.body.appendChild(eleLink); eleLink.click(); document.body.removeChild(eleLink); }; const loadScriptAsync = link => { return new Promise(resolve => { let script = document.createElement("script"); script.src = link; script.onload = resolve; document.body.appendChild(script); }); }; switch(location.host){ case("academic.oup.com"):{ //文档详情页 console.log("关注笙歌喵~关注帅比笙歌超可爱OvO谢谢喵~"); console.log("Carboxylate 1.0.0"); const titleDiv=document.getElementsByClassName("book-bottom-section__title-wrap")[0]; let dlBtn=document.createElement("button"); dlBtn.innerText="下载全部PDF"; titleDiv.appendChild(dlBtn); dlBtn.onclick=async ()=>{ dlBtn.onclick=null; //阶段1：建立目录结构 dlBtn.innerText="0% 分析目录结构"; const catagory=document.getElementsByClassName("bookToc")[0]; let parsedCatagory={ title:document.getElementsByClassName("book-info__title")[0].innerText.trim(), author:document.getElementsByClassName("book-info__author-link")[0].innerText.trim(), chapters:[] }; const parseChapter=(ele,depth)=>{ if(ele.getElementsByClassName("collections-child-list").length==0||ele.getElementsByClassName("collections-child-list")[0].children.length==0){ //顶级章节，直接处理 [].forEach.call(ele.children,sub=>{ if(sub.className=="tocLink"&&sub.tagName=="A"){ //获取标题和链接 parsedCatagory.chapters.push({ title:(sub.getElementsByClassName("tocLink-label")[0]?sub.getElementsByClassName("tocLink-label")[0].innerText:"")+" "+sub.getElementsByClassName("tocLink-title")[0].innerText, link:sub.href, depth:depth, child:false, debug:sub }); } }) }else{ //读取子章节 parsedCatagory.chapters.push({ title:(ele.getElementsByClassName("tocLink-label")[0]?ele.getElementsByClassName("tocLink-label")[0].innerText:"")+" "+ele.getElementsByClassName("tocLink-title")[0].innerText, link:null, depth:depth, child:true, debug:ele }); //递归遍历 [].forEach.call(ele.getElementsByTagName("ul")[0].getElementsByTagName("li"),ele=>{ parseChapter(ele,depth+1); }); } } [].forEach.call(catagory.children,ele=>{ if(ele.tagName=="LI"){ parseChapter(ele,0); } }); console.log(parsedCatagory); //阶段2：解析PDF地址 dlBtn.innerText="5% 解析PDF地址"; let count=0; for(let chapter of parsedCatagory.chapters){ if(chapter.child==false){ //可下载的章节，需要解析地址 let chapterRequest=await fetch(chapter.link, { "referrer": location.href, "method": "GET", "mode": "cors", "credentials": "include" }); let chapterPage=await chapterRequest.text(); const parser = new DOMParser(); const chapterDoc = parser.parseFromString(chapterPage, "text/html"); chapter.pdflink=chapterDoc.getElementsByClassName("at-pdfLink")[0].href; }; count++; dlBtn.innerText=(5+25*count/parsedCatagory.chapters.length).toFixed(2)+"% 解析PDF地址["+count+"/"+parsedCatagory.chapters.length+"]"; }; console.log(parsedCatagory); //阶段3：分段下载PDF dlBtn.innerText="30% 下载PDF"; count=0; for(let chapter of parsedCatagory.chapters){ if(chapter.child==false){ //异步跨域下载PDF function asyncFetch(){ return new Promise(resolve => { let pic=GM_xmlhttpRequest({ method: "GET", url: chapter.pdflink, responseType: "blob", onload: (res) => { console.log(res.response); chapter.pdffile=res.response; resolve(); } }) }); } await asyncFetch(); }; count++; dlBtn.innerText=(30+60*count/parsedCatagory.chapters.length).toFixed(2)+"% 下载PDF["+count+"/"+parsedCatagory.chapters.length+"]"; }; console.log(parsedCatagory); //阶段4：合并PDF导出 dlBtn.innerText="90% 合并PDF"; const pdfDoc = await PDFLib.PDFDocument.create(); count=0; pdfDoc.setTitle(parsedCatagory.title); pdfDoc.setAuthor(parsedCatagory.author); pdfDoc.setCreator("Carboxylate By QINLILI"); pdfDoc.setCreationDate(new Date()); pdfDoc.setModificationDate(new Date()); //合并PDF并记录页码 for(let chapter of parsedCatagory.chapters){ if(chapter.child==false){ //合并PDF const pdfObj=await PDFLib.PDFDocument.load(await chapter.pdffile.arrayBuffer()); const copiedPages = await pdfDoc.copyPages(pdfObj, pdfObj.getPageIndices()); copiedPages.forEach((page) => pdfDoc.addPage(page)); chapter.pages=copiedPages.length; }; count++; dlBtn.innerText=(90+6*count/parsedCatagory.chapters.length).toFixed(2)+"% 合并PDF["+count+"/"+parsedCatagory.chapters.length+"]"; }; console.log(parsedCatagory); //导出文件 dlBtn.innerText="96% 写入目录"; const mergedPdfFile = await pdfDoc.save(); if(config.writeOutline){ await loadScriptAsync("https://cdn.jsdelivr.net/npm/pspdfkit@2023.4.0/dist/pspdfkit.min.js"); let foo=document.createElement("div"); foo.className="foo"; foo.style.width="100vw"; foo.style.height="100vh"; foo.style.display="none"; document.body.appendChild(foo); let instance=await PSPDFKit.load({ baseUrl:"https://cdn.jsdelivr.net/npm/pspdfkit@2023.4.0/dist/", document: mergedPdfFile.buffer, container:'.foo' }); for(let chapter of parsedCatagory.chapters){ const bookmark = new PSPDFKit.Bookmark({ name: chapter.title, action: new PSPDFKit.Actions.GoToAction({ pageIndex: count }) }); await instance.create(bookmark); if(chapter.child==false){ //小标题累计页码 count+=chapter.pages; }; }; dlBtn.innerText="98% 导出文件 带目录导出耗时极长，请保持耐心"; const documentBuffer = await instance.exportPDF(); const pdfFile=new Blob([documentBuffer]); dlFile(URL.createObjectURL(pdfFile),parsedCatagory.title+".pdf") }else{ dlBtn.innerText="98% 导出文件"; const pdfFile=new Blob([mergedPdfFile]); dlFile(URL.createObjectURL(pdfFile),parsedCatagory.title+".pdf") }; dlBtn.innerText="100% 下载成功"; }; break; }; default:{ break; } } })();