866634 - PDFs don't load in PDF Viewer - When JavaScript is disabled/turned off completely using javascript.enabled

Status: RESOLVED FIXED

(Firefox :: PDF Viewer, defect, P4)

Description

[development.spark]

User Agent: Mozilla/5.0 (Windows NT 5.1; rv:20.0) Gecko/20100101 Firefox/20.0
Build ID: 20130409194949

Steps to reproduce:

Our websites need to work with scripts turned off for those who choose to turn off scripts (accessibility/personal preference etc).

I tried to load a PDF in firefox from our websites (with scripts off)
This is not down to our particular website, even a UK Government website is the same:
https://www.gov.uk/dvlaforms 
(not our site, just shown as an example) - there are PDF links near the bottom of the page (remember to have scripts off)



Actual results:

When javascript is turned off , clicking on any PDF link within firefox 19 and 20, the PDF viewer interface loads but no PDF is loaded.




Expected results:

The PDF should load when scripts are off.

I believe the PDF viewer works using javascript, therefore this might be why the PDF doesn't load when scripts are off. I know users can go into settings to open the PDF in Adobe, but the majority of users won't know to do this so there should be a way that Firefox doesn't use PDF viewer when scripts are turned off (in this case it would load using adobe).

Comment 1

[mjh563]

This is related to issues like bug 738627, where font customisations are applied incorrectly to PDF documents as well as web page content.

The fundamental problem is that the PDF Viewer acts like a web page instead of a built-in part of the browser. It should really just do whatever it needs to do, regardless of any content options the user has set.

Comment 2

[Masatoshi Kimura [:emk]]

Note that "Enable JavaScript" option itself will be removed by bug 851702. So the majority of users are unlikely to visit the site with JavaScript disabled.

Comment 3

[[:Aleksej]]

(In reply to Masatoshi Kimura [:emk] from comment #2)
I guess more people disable JavaScript using NoScript. :P

Comment 4

[Masatoshi Kimura [:emk]]

Fortunately, PDF.js is not affected by NoScript :)
NoScript is whitelisting resource:// URLs by default.

Comment 5

[[:Aleksej]]

Ah, thanks.

Comment 6

[Loic]

The native HTML5 video player had its controls removed when JS was turned off (in Firefox itself or via an add-on like NS), but Mozilla fixed this in bug 449358 (and by enabling XBL scopes).

Is it possible to do a similar thing with PDF.js?

Comment 7

[Brendan Dahl [:bdahl]]

Since the preference has been removed, we're going to mark this as low priority.

Comment 8

[Petruta Horea [:phorea], Desktop QA]

Mozilla/5.0 (Windows NT 5.1; rv:29.0) Gecko/20100101 Firefox/29.0
Reproduced on latest Nightly with javascript.enabled - false, marking as New.

Comment 9

[Emilio Cobos Álvarez (:emilio)]

Attachment: Bug 866634 - Exempt pdf.js principal from script policy. r=ckerschb

Comment 10

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/c042c1ea60ab
Exempt pdf.js principal from script policy. r=ckerschb

Comment 11

[Andreea Pavel [:apavel]]

https://hg.mozilla.org/mozilla-central/rev/c042c1ea60ab