How to download view only protected PDF from Google Drive (JS code)

damond.michael · May 6, 2019

Note: It was tested on Opera Browser.
Note 2: It converts pages to jpg images. The Coding Cat thinks it could be done preserving text, but he didn’t have more time for this and jpg solution was sufficient.
Step by step:

Open the document in Google Docs
Scroll to the bottom of the document, so all the pages are present
Open Developer Tools on separate window and choose the Console tab
Paste the code below (and hit enter)
All file should be loaded
to open console use ctrl+shify+i

Code:

[hide]

Code:

let

Code:

jspdf = document.createElement(

Code:

"script"

Code:

);

[font=Monaco, Consolas,] [/font]

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jspdf.onload =

Code:

function

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() {

[font=Monaco, Consolas,] [/font]

Code:

let

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pdf =

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new

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jsPDF();

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let

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elements = document.getElementsByTagName(

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"img"

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);

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for

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let

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in

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elements) {

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let

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img = elements[i];

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console.log(

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"add img "

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, img);

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if

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(!/^blob:/.test(img.src)) {

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console.log(

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"invalid src"

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);

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continue

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let

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can = document.createElement(

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'canvas'

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);

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let

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con = can.getContext(

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"2d"

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);

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can.width = img.width;

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can.height = img.height;

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con.drawImage(img, 0, 0);

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let

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imgData = can.toDataURL(

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"image/jpeg"

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, 1.0);

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pdf.addImage(imgData,

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'JPEG'

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, 0, 0);

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pdf.addPage();

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[font=Monaco, Consolas,] [/font]

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pdf.save(

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"download.pdf"

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);

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};

[font=Monaco, Consolas,] [/font]

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jspdf.src =

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'https://cdnjs.cloudflare.com/ajax/libs/jspdf/1.5.3/jspdf.debug.js'

Code:

document.body.appendChild(jspdf);

[/hide]

Code:

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How to download view only protected PDF from Google Drive (JS code)

damond.michael

Member