Enables downloading view-only PDF files from Google Drive.
// ==UserScript==
// @name Drive PDF Downloader
// @namespace http://tampermonkey.net/
// @version 0.1
// @description Enables downloading view-only PDF files from Google Drive.
// @author Irushia
// @license MIT
// @match *://drive.google.com/drive/*
// @match *://drive.google.com/file/d/*/view
// @icon data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==
// @grant GM_registerMenuCommand
// @grant GM_unregisterMenuCommand
// ==/UserScript==
(function() {
'use strict';
// Register a new menu command
GM_registerMenuCommand('Download', function() {
let jspdf = document.createElement("script");
jspdf.onload = function () {
let pdf = new jsPDF();
let elements = document.getElementsByTagName("img");
for ( let i in elements) {
let img = elements[i];
if (!/^blob:/.test(img.src)) {
continue ;
}
let canvasElement = document.createElement('canvas');
let con = canvasElement.getContext("2d");
canvasElement.width = img.width;
canvasElement.height = img.height;
con.drawImage(img, 0, 0,img.width, img.height);
let imgData = canvasElement.toDataURL("image/jpeg" , 1.0);
pdf.addImage(imgData, 'JPEG' , 0, 0);
pdf.addPage();
}
pdf.save( "download.pdf" );
};
jspdf.src = 'https://cdnjs.cloudflare.com/ajax/libs/jspdf/1.3.2/jspdf.min.js' ;
document.body.appendChild(jspdf);
});
})();