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[Bug-gnuzilla] thoroughly remove EME

From: Orchidaceae Phalaenopsis
Subject: [Bug-gnuzilla] thoroughly remove EME
Date: Mon, 8 Jun 2015 13:39:22 +0000

Dear Rubin,

Congratulations! I wish you many happy years to come!

I have recently seen firefox adding more and more unnecessary and
dangerous things so I have decide to work on a version of firefox
which deletes them.

Then I discovered Icecat which shares a lot of my goals and I was able
to benefit from its source code. Thank you very much!

Here are the components I propose for deletion and why:

* EME/DRM - [freedom] - This is a sandbox intended to run some kind of
nasty binary from adobe used to block users from having full control
over videos they watch.
* NewTab - [freedom/privacy] - The "newtab" has been getting sponsored
adverts being put into it. It is a danger to privacy because when the
mouse hovers over them a connection is made to the advertisers page.
* HealthReport - [privacy] - Turned this off by default. I do not
believe something like this that reports statistics about usage should
be on by default.
* WebGL - [security] - Turned this off by default. The security
dangers of having this on are too high.
* Pocket - [freedom] - Pocket seems to be some kind of 3rd party
"cloud" service. This is a danger to freedom.
* Hello!/Loop - [superfluous] - I think you can technically run your
own loop server and all the source code is available so this is not a
freedom concern but in any case this is not required to browse the

To delete EME I did an rm -r on all the relevant directories, added
ac_add_options --disable-eme to the mozconf and cleaned up any
dangling references to the EME stuff. I think it is important that the
code itself not be compiled into the program even if it is not used.
"dead" code has been used in security vulnerabilities in the past.

For NewTab I blanked out the XML inside content/newtab/newTab.xul and
deleted the unneeded files.

The patch for HealthReport off-by-default is based on icecat, since
icecat already does this!

To set WebGL off by default I edited modules/libpref/init/all.js.

Pocket and Hello! were removed by rm -r'ing the modules and then
cleaning up dangling references:

rm -r ./browser/components/pocket/

rm -rf ./browser/components/loop/
rm ./browser/base/content/browser-loop.js


I am keen on learning about new candidates for removal. I have heard
that firefox will soon search users history and provide adverts based
on this - I intend to produce a patch/script to remove that too.

I have included some patches and scripts here which I hope may be of
use or interested to folks.

* https://github.com/orchid-hybrid/cozy-cub/tree/master

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