download file in lurl
// ==UserScript==
// @name lurldownloader
// @version 0.0.1
// @author Zoosewu
// @description download file in lurl
// @match https://lurl.cc/*
// @license MIT
// @name:zh-TW lurl下載器
// @namespace https://github.com/zoosewu/
// @description:zh-tw 下載lurl的檔案
// @run-at document-idle
// @homepageURL https://github.com/zoosewu/
// ==/UserScript==
(function () {
'use strict';
const body = $('body')
body.append($("<button id='z-download-button' type='button'>download</button>"))
body.append($("<label id='z-download-label' for='url'>url: </label>"))
body.append($("<input id='z-download-input' type='text' id='url' name='url' required size='140'>"))
const button = $("#z-download-button")
const input = $("#z-download-input")
button.on("click", function () {
download(input[0].value)
});
})();
const download = (link) => {
console.log('link: ', link);
console.log('start downloading file,please wait a minute...');
const xhr = new XMLHttpRequest();
xhr.open('GET', link, true);
xhr.responseType = 'blob';
xhr.onload = function () {
console.log('file downloaded.');
const urlCreator = window.URL || window.webkitURL;
const imageUrl = urlCreator.createObjectURL(this.response);
const tag = document.createElement('a');
tag.href = imageUrl;
tag.target = '_blank';
const regex = /[^\/\\&\?]+\.\w{3,4}(?=([\?&].*$|$))/;
const result = regex.exec(link);
let name = 'download.jpg';
if (result && result.length > 0) name = result[0]
tag.download = name;
document.body.appendChild(tag);
tag.click();
document.body.removeChild(tag);
};
xhr.onerror = err => { console.log('failed to download file'); };
xhr.send();
}