Creates a button to downloads all images from gallery in a .zip file.
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// ==UserScript== // @name GBT gallery downloader (GBTGD) // @namespace _pc // @version 4.9 // @license MIT // @description Creates a button to downloads all images from gallery in a .zip file. // @author verydelight // @match *://*.gayboystube.com/galleries/* // @icon https://www.gayboystube.com/favicon.ico // @run-at document-end // @grant GM.xmlHttpRequest // @grant GM_download // @grant GM_xmlHttpRequest // @grant GM.download // @require https://update.greasyfork.org/scripts/473358/1237031/JSZip.js // @require https://cdn.jsdelivr.net/npm/[email protected]/dist/FileSaver.min.js // ==/UserScript== 'use strict'; window.onload = function(){ var zip = new JSZip(); let button = document.createElement("button"); let downloadStatus = document.createElement("div"); button.append("Download Gallery"); button.setAttribute("type","button"); button.addEventListener ("click", fullSize, false); document.getElementById('tab_video_info').append(button); async function downloadFile(url, filename,iCurr,iMax) { try { const response = await GM.xmlHttpRequest({ method: 'GET', responseType: 'blob', url: url, headers: { "Content-Type": "image/jpeg", "Accept": "image/jpeg" }, }); //console.log("GBTGD: Downloaded: ",filename,iCurr) //console.log("GBTGD: Response Headers; ",response.headers); const blob = new Blob([response.response],{type: 'image/jpeg'}); zip.file(filename, blob, {binary: true}) //console.log("GBTGD Zip: ", zip,iCurr,iMax) } catch (err) { console.error("GBTGD: Error in fetching and downloading file: ",iCurr," " , err); } if(iCurr==iMax-1){ downloadStatus.innerHTML = "Now creating zip-file and sending for download..."; await zip.generateAsync({ type: "blob", compression: "DEFLATE", compressionOptions: { level: 6 } }).then(content => saveAs(content, "GBT_gallery")); downloadStatus.innerHTML = "Download complete!"; } } async function fullSize(){ button.style.visibility='hidden'; document.getElementById('tab_video_info').append(downloadStatus); var images = document.getElementById('album_view_album_view').getElementsByTagName('img'); var iMax = images.length; var downloadTime = 0; var downloadEstimate = 0; var downloadEstimateMins = 0; var downloadEstimateSecs = 0; var counteri = 0; //console.log("GBTGD: Found pix: ",iMax) for (var i=0, n=images.length;i<n;i++) { var currentSrc = images[i].getAttribute('data-src'); var pattern1 = /\/thumbs/; var pattern2 = /\/main\/\d{1,4}x\d{1,4}/; if (currentSrc.match(pattern1)) { currentSrc = currentSrc.replace(pattern1, ''); }; if (currentSrc.match(pattern2)) { currentSrc = currentSrc.replace(pattern2, '/sources'); }; var fileName = currentSrc.split('/'); fileName = fileName[fileName.length-1]; //console.log("GBTGD: Downloading: ",fileName,i) counteri = i+1; if (downloadTime==0){ downloadStatus.innerHTML = "Downloading & zipping image "+ counteri +"/"+ iMax; }else{ if (downloadEstimateMins>0) { downloadStatus.innerHTML = "Downloading & zipping image "+ counteri +"/"+ iMax +" (Estimated remaining time: "+ downloadEstimateMins +":"+ downloadEstimateSecs +" minutes)"; }else{ downloadStatus.innerHTML = "Downloading & zipping image "+ counteri +"/"+ iMax +" (Estimated remaining time: "+ downloadEstimateSecs +" seconds)"; } } var downloadStart = Date.now(); await downloadFile(currentSrc,fileName,i,iMax); var downloadEnd = Date.now(); downloadTime += downloadEnd-downloadStart; downloadEstimate = Math.round(((((downloadTime/(i+1))*iMax)-downloadTime)/1000)*1.05); downloadEstimateMins = Math.floor(downloadEstimate/60); downloadEstimateSecs = Math.round(downloadEstimate-(downloadEstimateMins*60)); downloadEstimateSecs = String(downloadEstimateSecs).padStart(2,"0"); }; } };
