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一键下载一条微博中的图片，文件名包含该微博的路径．xxx_wb_uid_wid，可恢复为 https://weibo.com/uid/wid
目前为
// ==UserScript==
// @name 下载微博图片
// @name:en Download Weibo Images
// @namespace http://greasyfork.icu/zh-CN/users/127123-flao
// @version 1.0
// @description 一键下载一条微博中的图片，文件名包含该微博的路径．xxx_wb_uid_wid，可恢复为 https://weibo.com/uid/wid
// @description:en Download images from weibo with user-id and weibo-id in its filename. filname format xxx_wb_uid_wid
// @author Flao
// @match https://weibo.com/*
// @match https://www.weibo.com/*
// @grant none
// @license MIT License
// @run-at document-end
// ==/UserScript==
(function() {
var doDownload = function(blob, filename) {
var a = document.createElement('a');
a.download = filename;
a.href = blob;
a.click();
}
// Current blob size limit is around 500MB for browsers
var download = function (url, filename) {
if (!filename) filename = url.split('\\').pop().split('/').pop();
fetch(url, {
headers: new Headers({
'Origin': location.origin
}),
mode: 'cors'
})
.then(response => response.blob())
.then(blob => {
let blobUrl = window.URL.createObjectURL(blob);
doDownload(blobUrl, filename);
})
.catch(e => console.error(e));
}
var globalValue = "";
var inputBoxDict = new Map();
var proceedList = new WeakSet();
var buttonOnClick = function(e) {
let buttonData = inputBoxDict.get(this); // path
let fileName = this.previousSibling.value + '_wb_' + buttonData[0] + '_' + buttonData[1];
var imgList = this.parentNode.parentNode.getElementsByClassName('media_box')[0].children[0].children;
for(var j = 0; j < imgList.length; j++) {
let imgsrc = imgList[j].getAttribute('action-data');
imgsrc = imgsrc.split('&')[2].split('=')[1]; // take out id from 'pic_id' in action-data of the 'li'
imgsrc = '//wx2.sinaimg.cn/mw690/' + imgsrc;
download(imgsrc, fileName + '_' + j);
}
}
var getWeiboPath = function(media_box) {
var path = "";
if(media_box.parentNode.nextElementSibling &&
media_box.parentNode.nextElementSibling.classList.contains('WB_func')) {
path = media_box.parentNode.nextElementSibling.children[0].children[0].children[0].children[0].children[0].href;
path = path.split("?")[0].split("/").slice(3,5);
}
else {
path = media_box.parentNode.parentNode.children[1].children[0].href;
path = path.split("?")[0].split("/").slice(3,5);
}
return path;
}
var addFunction = function(){
var lists = document.getElementsByClassName('media_box');
console.log('media_box list.length = ' + lists.length);
for( var i = 0; i < lists.length; i++) {
var list = lists[i].parentNode.parentNode.children[1];
if(proceedList.has(list)) {
continue;
}
proceedList.add(list);
var inputBox = document.createElement('input');
inputBox.style.width = '20%';
inputBox.style.height = '70%';
inputBox.style.float = "right";
inputBox.style.marginLeft = '5px';
inputBox.style.opacity = "0.2";
var button = document.createElement('a');
button.setAttribute('class','S_txt2');
button.innerText = '下载图片';
button.href = 'javascript:void(0)';
button.input = inputBox;
/*var path = "";
// TODO: extractt path from retweet weibo, where there's a 'clearfix' div next to 'WB_expand_media_box'
try {
path = list.children[0].href.split("?")[0].split('/').slice(-2);
} catch(e) {
try {
path = lists[i].parentNode.nextSibling.children[0].children[0].children[0].children[0].children[0].href;
} catch(e) {
console.log(e);
}
}*/
var path = getWeiboPath(lists[i]);
button.onclick = buttonOnClick;
button.style.float = "right";
inputBoxDict.set(button,path);
list.appendChild(inputBox);
list.appendChild(button);
}
}
window.addEventListener ("load", ()=>{
setTimeout(addFunction,2000);
});
(function () {
var DOMObserverTimer = false;
var DOMObserverConfig = {
attributes: true,
childList: true,
subtree: true
};
var DOMObserver = new MutationObserver(function () {
if (DOMObserverTimer !== 'false') {
clearTimeout(DOMObserverTimer);
}
DOMObserverTimer = setTimeout(function () {
DOMObserver.disconnect();
addFunction();
DOMObserver.observe(document.body, DOMObserverConfig);
}, 1000);
});
DOMObserver.observe(document.body, DOMObserverConfig);
}) ();
})();