// ==UserScript== // @name 知网重定向 — 便于使用机构IP登录下载 // @namespace cnki_redirector // @description 将来自知网主站、知网空间、知网编客、知网百科、知网阅读、知网文化、知网法律、知网医院数字图书馆、手机知网等站点的知网文献页重定向至知网主站`kns.cnki.net`，支持获取知网文献无追踪链接。 // @version 5.0 // @icon data:image/png;base64,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 // @author MkQtS // @license MIT // @homepage https://github.com/MkQtS/CNKI-Redirect // @supportURL https://github.com/MkQtS/CNKI-Redirect/issues // @run-at document-end // @match *://*.cnki.net/* // @match *://*.cnki.com.cn/* // @exclude *://kns.cnki.net/kns8/* // @exclude *://*.cnki.net/kcms/detail/frame/* // @grant GM_setValue // @grant GM_getValue // ==/UserScript== (function CNKI_Redirect(currentUrl) { 'use strict'; function IdentifyCase(url) { const CNKICASES = ['error', 'kcms', 'kcms2', 'bianke', 'mall', 'space', 'urtpweb', 'wap', 'wenhua', 'xuewen', 'common'], CNKIREGEXES = [ /^https?:\/\/[\w\.]+\.cnki\.net\/kcms\/detail\/error/, /^https?:\/\/(\w+\.)?(global|kns|oversea|www)\.cnki\.net\/kcms\/detail\/detail\.aspx\?dbcode=\w+&filename=[\w\.]+$/, /^https?:\/\/kns\.cnki\.net\/kcms2\/article\/abstract\?/, /^https?:\/\/bianke\.cnki\.net\/web\/article\//, /^https?:\/\/mall\.cnki\.net\/magazine\/article\//, /^https?:\/\/\w+\.cnki\.com\.cn\/article\//, /^https?:\/\/\w+\.cnki\.net\/urtpweb\/detail\?/, /^https?:\/\/(read|wap)\.cnki\.net\/(((touch\/)?web\/\w+\/article\/)|(\w+-[\w\.]+\.htm))/, /^https?:\/\/wh\.cnki\.net\/(m\/)?article\/detail\//, /^https?:\/\/xuewen\.cnki\.net\/\w+-[\w\.]+\.htm/, /^https?:\/\/([\w\.]+\.)?cnki\.net\/(law|kcms\d?)\/(article\/|detail(\?|\/detail)|doi\/)/ ]; return CNKICASES[CNKIREGEXES.findIndex(cnkiReg => cnkiReg.test(url.toLowerCase()))] || 'skip'; } const defFileID = { raw: ['clear', 'clear'], target: ['clear', 'clear'] }; function FetchFileID(plat, url) { url = url.toLowerCase(); let dbcode, filename, fileID = defFileID; switch (plat) { case 'bianke': { let dbinfo = (document.querySelector('.abstract.clearfix > .wrap > .aBtn') || document.querySelector('.articleInfo > .title > .clearfix > strong > a'))?.href.toLowerCase(); if (dbinfo) { dbcode = dbinfo.replace(/^https?:\/\/bianke\.cnki\.net\/z\/download\/article\/[\w\.]+\/(\w+)\/.+$/, '$1').replace(/^https?:\/\/search\.cnki\.com\.cn\/(\w+)\/.+$/, '$1'); filename = url.replace(/^https?:\/\/bianke\.cnki\.net\/web\/article\/([\w\.]+)\.htm.*$/, '$1'); } break; } case 'kns': { dbcode = document.getElementById('paramdbname')?.value.replace(/(auto|day|last|temp|total|\d+)/gi, '').replace(/^(\w{4})\w+$/, '$1') || document.getElementById('paramdbcode')?.value; filename = document.getElementById('paramfilename')?.value; break; } case 'mall': { dbcode = document.getElementById('articleType')?.value; filename = document.getElementById('articleFileName')?.value; if (!dbcode || !filename) { let downParams = new URLSearchParams(document.getElementsByClassName('articledownload')[0]?.href.toLowerCase().split('?')[1]); dbcode = downParams.get('dbtype'); filename = downParams.get('filename'); } break; } case 'space': { let fileinfo = url.replace(/^https?:\/\/(\w+)\.cnki\.com\.cn\/article\/([\w\.-]+)\.htm.*$/, '$1-$2').replace(/^\w+-(\w+)(?:(?:-\d+)|(?:total))-([\w\.]+)$/, '$1-$2'); [dbcode, filename] = fileinfo.split('-'); break; } case 'urtpweb': { dbcode = document.getElementById('rescode')?.value; filename = document.getElementById('filename')?.value; break; } case 'wap': { dbcode = document.getElementById('a_download')?.dataset.type; filename = document.getElementById('a_download')?.dataset.filename; if (!dbcode || !filename) { let fileinfo = url.replace(/^https?:\/\/\w+\.cnki\.net\/(?:touch\/)?(?:web\/)?(\S+)\.htm.*$/, '$1').replace(/^(\w+)\/article\/(?:\w*-)?([\w\.]+)$/, '$1-$2'); [dbcode, filename] = fileinfo.split('-'); const DBLINK = ['conference', 'dissertation', 'journal', 'newspaper', 'huiyi', 'lunwen', 'qikan', 'baozhi'], DBREAL = ['CIPD', 'CDMD', 'CJFD', 'CCND', 'CIPD', 'CDMD', 'CJFD', 'CCND']; dbcode = DBREAL[DBLINK.indexOf(dbcode)] || dbcode; } break; } case 'wenhua': { if (document.getElementById('journalimg') || document.getElementsByClassName('hero-cover-img').length) { dbcode = 'CJFD'; filename = url.replace(/^https?:\/\/wh\.cnki\.net\/(?:m\/)?article\/detail\/([\w\.]+).*$/, '$1'); } break; } case 'xuewen': { let fileinfo = url.replace(/^https?:\/\/xuewen\.cnki\.net\/(\w+-[\w\.]+)\.htm.*$/, '$1'); [dbcode, filename] = fileinfo.split('-'); break; } case 'common': { dbcode = document.getElementById('paramdbcode')?.value; filename = document.getElementById('paramfilename')?.value; if (!dbcode || !filename) { let trackfile = (document.getElementById('addfavtokpc') || document.getElementById('SnapshotSearchButton'))?.onclick.toString(); if (trackfile) { let fileinfo = trackfile.replace(/^[\S\s]+(?:AddFavToMyCnki|StartSnapShotSearch)\([^')]*'([^']+)'[^')]+'([^']+)'[^)]*\)[\S\s]+$/, '$1-$2'); [dbcode, filename] = fileinfo.split('-'); } else { let urlParams = new URLSearchParams(url.split('?')[1]); dbcode = urlParams.get('dbcode') || urlParams.get('dbname')?.replace(/(auto|day|last|temp|total|\d+)/g, '').replace(/^\w+(\w{4})$/, '$1'); filename = urlParams.get('filename'); } } break; } } if (!dbcode || !filename) { console.debug('[CNKI-Redirect] Insufficient file ID. dbcode: %s, filename: %s', dbcode, filename); } else if (/^\w+$/.test(dbcode) && /^[\w\.]+$/.test(filename)) { fileID = ((dbcode, filename) => { let fileIDObj = { raw: [dbcode.toUpperCase(), filename.toUpperCase()] }; dbcode = fileIDObj.raw[0].replace(/^[A-Z]+_([A-Z]+)$/, '$1'); filename = fileIDObj.raw[1]; const cmnDB = ['CCJD', 'CCND', 'CDMD', 'CIPD', 'CJFD', 'CYFD']; if (!cmnDB.includes(dbcode)) { const oddDB = ['BNJK', 'BSFD', 'CACM', 'CDMH', 'CLKB', 'IPFD'], badDB = ['CCVD', 'CISD', 'CLKLP', 'CPVD', 'READ', 'SCOD', 'SCPD', 'SMSD', 'SNAD', 'SOPD']; if (oddDB.indexOf(dbcode) === badDB.indexOf(dbcode)) { let dbKey = dbcode.replace(/^C(\w)?F(\w)\w*$/, 'to$2$1').replace(/^\w+(\w)$/, '$1'); const dbKeys = ['D', 'I', 'J', 'M', 'N', 'P', 'Y'], key2cmn = ['CDMD', 'CIPD', 'CJFD', 'CDMD', 'CCND', 'CIPD', 'CYFD']; dbcode = key2cmn[dbKeys.indexOf(dbKey)] || 'BAD-DB'; } else { const odd2cmn = ['CJFD', 'CYFD', 'CJFD', 'CDMD', 'CDMD', 'CIPD']; dbcode = odd2cmn[oddDB.indexOf(dbcode)] || 'BAD-DB'; } console.debug('[CNKI-Redirect] Convert dbcode from %s to %s.', fileIDObj.raw[0], dbcode); } switch (dbcode) { case 'BAD-DB': { [dbcode, filename] = defFileID.target; console.info('[CNKI-Redirect] The dbcode %s should be abandoned.', fileIDObj.raw[0]); break; } case 'CDMD': { filename = filename.replace(/^([\w\.]+)$/, '$1.NH').replace(/^([\w\.]+?)(\.NH)+$/, '$1.nh'); break; } case 'CJFD': { fileIDObj.alter = ['CCJD', filename]; console.debug('[CNKI-Redirect] Set CCJD as alternate dbcode.'); break; } } fileIDObj.target = [dbcode, filename]; return fileIDObj; })(dbcode, filename); } else { console.debug('[CNKI-Redirect] Invalid file ID. dbcode: %s, filename: %s', dbcode, filename); } return fileID; } function GenerateKcmsUrl(fileID) { // maybe generate kcms2 link let cnkiUrls = ['clear'], dbFiles = [fileID.alter, fileID.target].filter(dbfile => !!dbfile); const kcmsHEAD = 'https://kns.cnki.net/kcms/detail/detail.aspx?'; dbFiles.forEach(dbfile => { let fileparam = 'dbcode=' + dbfile[0] + '&filename=' + dbfile[1]; cnkiUrls.unshift(kcmsHEAD + fileparam); }); return cnkiUrls; } let situation = IdentifyCase(currentUrl); switch (situation) { case 'skip': { console.log('[CNKI-Redirect] Skipped on ' + currentUrl); break; } case 'error': { let candidates = GM_getValue('candidates') || ['clear']; if (candidates[0] !== 'clear') { console.log('[CNKI-Redirect] Last target failed, try alternate...'); let targetUrl = candidates.shift(); GM_setValue('candidates', candidates); window.location.replace(targetUrl); } else { let storedSrc = GM_getValue('source') || { sourceUrl: 'clear', fileID: defFileID }; if (storedSrc.sourceUrl !== 'clear') { console.log('[CNKI-Redirect] All candidates failed. Go back to original page...'); GM_setValue('banRedirect', storedSrc.fileID.raw); window.location.replace(storedSrc.sourceUrl); } else { console.log('[CNKI-Redirect] Original page not found, stay here.'); } } break; } case 'kcms': case 'kcms2': { let storedSrc = GM_getValue('source') || { sourceUrl: 'clear', fileID: defFileID }; if (storedSrc.sourceUrl !== 'clear') { GM_setValue('candidates', ['clear']); GM_setValue('source', { sourceUrl: 'clear', fileID: defFileID }); } let targetArea = document.getElementById('DownLoadParts')?.querySelector('.operate-btn') || document.getElementById('DownLoadParts')?.querySelector('.operate-left'); if (!targetArea) { console.debug('[CNKI-Redirect] buttons area not found.'); } else { let fileID = FetchFileID('kns', currentUrl); if (fileID.target[0] !== 'clear') { if (situation === 'kcms2') { const kcmsBtnText = '🍋 打开KCMS', kcmsBtnTitle = 'KCMS链接不含跟踪参数，但页面可能缺少部分内容'; let kcmsUrl = GenerateKcmsUrl(fileID)[0]; const kcmsBtn = `
  • ${kcmsBtnText}
    • `; targetArea.insertAdjacentHTML('beforeend', kcmsBtn); } else if (fileID.target[0] === 'CDMD') { let pdfLink = 'https://pay.cnki.net/zscsdoc/download?flag=cnkispace&plat=cnkispace&filename=' + fileID.target[1] + '&dbtype=CDMD&dtype=pdf'; const pdfBtn = `
  • PDF下载
    • `; targetArea.insertAdjacentHTML('beforeend', pdfBtn); } } if (storedSrc.sourceUrl !== 'clear') { const srcBtn = `\n
  • 🥝 打开源页面
    • `; targetArea.insertAdjacentHTML('beforeend', srcBtn); document.getElementById('go2src').addEventListener('click', () => { GM_setValue('banRedirect', storedSrc.fileID.raw); window.open(storedSrc.sourceUrl, '_blank'); }); } } console.log('[CNKI-Redirect] Ideal case, done.'); break; } default: { console.info('[CNKI-Redirect] Rule for %s matched.', situation); let fileID = FetchFileID(situation, currentUrl); if (fileID.target[0] !== 'clear') { console.log('[CNKI-Redirect] Got file ID: dbcode=%s&filename=%s', fileID.target[0], fileID.target[1]); let banCheck = GM_getValue('banRedirect') || ['clear', 'clear']; if (fileID.raw.toString() === banCheck.toString()) { GM_setValue('banRedirect', ['clear', 'clear']); console.log('[CNKI-Redirect] Redirect for this file is not allowed. Refresh to try again.'); } else { window.stop(); GM_setValue('source', { sourceUrl: currentUrl, fileID: fileID }); let candidates = GenerateKcmsUrl(fileID), targetUrl = candidates.shift(); GM_setValue('candidates', candidates); window.location.replace(targetUrl); } } else { console.log('[CNKI-Redirect] No proper file ID found.'); } break; } } })(window.location.href);