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Download comics from 8muses.com
当前为
// ==UserScript==
// @name 8Muses Downloader
// @namespace https://github.com/Kayla355
// @version 0.1
// @description Download comics from 8muses.com
// @author Kayla355
// @match https://www.8muses.com/comix/album/*
// @grant GM_xmlhttpRequest
// @run-at document-idle
// @icon https://www.8muses.com/favicon.ico
// @require https://cdn.jsdelivr.net/jszip/3.1.3/jszip.min.js
// @require https://cdn.jsdelivr.net/filesaver.js/1.3.3/FileSaver.min.js
// ==/UserScript==
var progress = {
current: 0,
items: 0
};
(function() {
'use strict';
init();
})();
function init() {
var imagebox = document.querySelector('.gallery .image-box:not(.image-a)');
if(imagebox) {
var isImageAlbum = !!imagebox.href.match(/comix\/picture\//i);
if(isImageAlbum) {
createElements('single');
} else {
createElements('multi');
}
} else {
setTimeout(init, 100);
}
}
function createElements(type) {
if(!type) type = 'single';
var downloadText = (type == "multi") ? 'Download All':'Download';
var div = document.createElement('div');
div.className += 'download show-tablet show-desktop block';
div.style = "background-color: #3a4050; margin-right: -20px; margin-left: 21px;";
var a = document.createElement('a');
a.href = "#";
a.style = "color: #fff; text-decoration: none; padding: 15px 20px 15px 10px;";
a.innerHTML = '<i class="fa fa-arrow-down icon-inline" style="color: #242730;"></i>'+ downloadText;
a.onclick = (type == "multi") ? downloadAll:downloadComic;
var bar = document.createElement('div');
bar.innerHTML = `<div class="loading-bar" style="position: absolute; right: 0px; top: 50px; background-color: aliceblue; display: none;">
<center class="value" style="position: absolute; left: 0px; right: 0px; color: #242730;">0%</center>
<div class="progressbar" style="width: 0%; height:20px; background-color: #b1c6ff;"></div>
</div>`;
div.append(a);
document.querySelector('#top-menu > div.top-menu-right').append(div);
bar.querySelector('.loading-bar').style.width = document.querySelector('#top-menu > div.top-menu-right .download').clientWidth+'px';
document.querySelector('#content').append(bar);
}
function updateProgressbar(status, hide) {
status = (typeof status === "string") ? status:status+'%';
if(hide) {
document.querySelector('.loading-bar').style.display = 'none';
} else {
document.querySelector('.loading-bar').style.display = '';
document.querySelector('.loading-bar .value').innerText = status;
document.querySelector('.loading-bar .progressbar').style.width = status;
}
}
function downloadComic(container) {
var imageContainers = (container.length) ? container:document.querySelectorAll('.gallery .image-box:not(.image-a)');
var images = [];
var doneLength = 0;
var isImageAlbum = !!imageContainers[0].attributes.href.value.match(/comix\/picture\//i);
if(!container.length) updateProgressbar(0);
if(isImageAlbum) progress.items += imageContainers.length;
for(var i=0; i < imageContainers.length; i++) {
images.push({href: location.protocol +'//'+ location.hostname + imageContainers[i].attributes.href.value});
getPage(i, images[i], function(j, object) {
images[j].path = object.path;
images[j].name = object.name;
images[j].imageHref = object.imageHref;
images[j].blob = object.blob;
doneLength++;
if(!container.length) {
updateProgressbar(Math.round((doneLength/imageContainers.length)*100));
} else if(isImageAlbum) {
progress.current++;
updateProgressbar(Math.round((progress.current/progress.items)*100));
}
if(doneLength >= imageContainers.length) generateZip(images);
})
}
}
function downloadAll(container) {
var itemContainers = (container.length) ? container:document.querySelectorAll('.gallery .image-box:not(.image-a)');
var items = [];
var doneLength = 0;
if(!container.length) updateProgressbar(0);
for(var i=0; i < itemContainers.length; i++) {
let href = location.protocol +'//'+ location.hostname + itemContainers[i].attributes.href.value;
getImageAlbum(href, function(albumContainer) {
var imagebox = albumContainer.querySelectorAll('.gallery .image-box:not(.image-a)');
var isImageAlbum = !!imagebox[0].attributes.href.value.match(/comix\/picture\//i);
if(isImageAlbum) {
downloadComic(imagebox);
} else {
downloadAll(imagebox);
}
})
}
}
function getImageAlbum(url, callback) {
var xhr = new XMLHttpRequest();
xhr.open('GET', url);
xhr.onload = function(e) {
var container = document.implementation.createHTMLDocument().documentElement;
container.innerHTML = xhr.responseText;
callback(container);
};
xhr.send();
}
function getPage(i, image, callback) {
var object = {};
var xhr = new XMLHttpRequest();
xhr.open('GET', image.href);
// xhr.responseType = 'blob';
xhr.onload = function(e) {
var container = document.implementation.createHTMLDocument().documentElement;
container.innerHTML = xhr.responseText;
object.path = image.href.match(/^.*?[0-9]+\/(.*\/).*$/)[1]; // including author
// object.path = image.href.match(/^.*?[0-9]+\/.*?\/(.*\/).*$/)[1]; // no author
object.name = container.querySelector('.top-menu-breadcrumb li:last-of-type').innerText.trim();
object.imageHref = 'https://cdn.ampproject.org/i/s/www.8muses.com' + container.querySelector('#imageDir').value + container.querySelector('#imageName').value;
getImageAsBlob(object.imageHref, function(blob) {
if(!blob) return;
object.blob = blob;
callback(i, object);
})
};
xhr.send();
}
function getImageAsBlob(url, callback) {
GM_xmlhttpRequest({
url: url,
method: 'GET',
responseType: 'blob',
onload: function(xhr) {
var blob = xhr.response;
callback(blob);
}
});
// Non-GM CORS xhr request.
// var xhr = new XMLHttpRequest();
// xhr.open('GET', 'https://cors-anywhere.herokuapp.com/'+object.imageHref);
// xhr.responseType = 'blob';
// xhr.onload = function(e) {
// var blob = xhr.response;
// callback(blob);
// }
// xhr.send();
}
function generateZip(images) {
var zip = new JSZip();
for(var i=0; i < images.length; i++) {
zip.file(images[i].name, images[i].blob);
}
// Blob
zip.generateAsync({type:"blob"}).then(function (blob) {
var filename = getFileName(images[0].path);
if(progress.current === progress.items) updateProgressbar('Done!');
saveAs(blob, filename+'.zip');
}, function (err) {
console.error('Error saving zip: ' +err);
});
}
function getFileName(pathname) {
var pathArray = pathname.replace(/\/$/, '').split('/');
var filename = "";
for(var i=0; i<pathArray.length; i++) {
let partialName;
if(i === 0) partialName = '['+ pathArray[i] +']';
if(i === 1) partialName = pathArray[i];
if(i >= 2) partialName = ' - '+ pathArray[i];
filename += partialName;
}
return filename;
}