Commit Graph

23 Commits

Author SHA1 Message Date
Raymond Hill b163097399
[mv3] Extend scriplet filtering support to all scriptlets
Source code of scriplets is now fetched directly from uBO
project, so there is no longer the need to keep duplicate
versions of scriplet code.

All scriplet filters are now supported.
2023-06-02 17:04:15 -04:00
Raymond Hill ba1d686795
Fix github-actions re uBO Lite 2023-04-07 13:34:27 -04:00
Raymond Hill 16b50852c3
Make a firefox package of uBO Lite on release 2023-04-07 13:24:57 -04:00
Raymond Hill cbfd2ad942
Create a MVP version of uBOLite for Firefox
What does not work at the time of commit:

Cosmetic filtering does not work:

The content scripts responsible for cosmetic filtering fail when
trying to inject the stylesheets through document.adoptedStyleSheets,
with the following error message:

  XrayWrapper denied access to property Symbol.iterator
  (reason: object is not safely Xrayable).
  See https://developer.mozilla.org/en-US/docs/Xray_vision for more
  information. ... css-declarative.js:106:8

A possible solution is to inject those content scripts in the
MAIN world. However Firefox scripting API does not support MAIN
world injection at the moment.

Scriptlet-filtering does not work:

Because scriptlet code needs to be injected in the MAIN world,
and this is currently not supported by Firefox's scripting API,
see https://bugzilla.mozilla.org/show_bug.cgi?id=1736575

There is no count badge on the toolbar icon in Firefox, as it
currently does not support the `DNR.setExtensionActionOptions`
method.

Other than the above issues, it does appear uBO is blocking
properly with no error reported in the dev console.

The adoptedStyleSheets issue though is worrisome, as the
cosmetic filtering content scripts were designed with ISOLATED
world injection in mind. Being forced to inject in MAIN world
(when available) make things a bit more complicated as uBO
has to ensure it's global variables do not leak into the page.
2023-04-07 10:19:43 -04:00
Raymond Hill feaa338678
Code maintenance: replace uDom.js with dom.js
`uDom` is old and crusty and `dom` is meant as replacement. The
goal of `dom` is to be simpler and mainly just convenience
methods for handling the DOM with vanilla JS -- this is not a
framework.

Additionally, removed keyboard shortcuts pane which was useful
only on very old versions of Firefox.
2022-11-12 09:51:22 -05:00
Raymond Hill 985ea24e82
[mv3] Add support for redirect= filters
This adds support for `redirect=` filters. As with `removeparam=`
filters, `redirect=` filters can only be enforced when the
default filtering mode is set to Optimal or Complete, since these
filters require broad host permissions to be enforced by the DNR
engine.

`redirect-rule=` filters are not supported since there is no
corresponding DNR syntax.

Additionally, fixed the dropping of whole network filters even though
those filters are still useful despite not being completely
enforceable -- for example a filter with a single (unsupported) domain
using entity syntax in its `domain=` option should not be wholly
dropped when there are other valid domains in the list.
2022-10-16 12:05:24 -04:00
Raymond Hill 1db3748ab1
[mv3] General code review
Re-arranged resources in a more tidy way. General code review of
various code paths.
2022-10-15 13:05:20 -04:00
Raymond Hill 1a9a19a91f
[mv3] Open options page at first install
To be sure first time users are properly informed about the
possibility to enable broad permissions for better filtering.
2022-09-30 09:18:52 -04:00
Raymond Hill 70a0de9d00
[mv3] Mind trusted-site directives when registering content scripts 2022-09-20 08:24:01 -04:00
Raymond Hill adb5d503d9
[mv3] Add GitHub action to build mv3 separately form uBO 2022-09-19 11:08:34 -04:00
Raymond Hill 232c44eeb2
[mv3] Add scriptlet support; improve reliability of cosmetic filtering
First iteration of adding scriptlet support. As with cosmetic
filtering, scriptlet niijection occurs only on sites for which
uBO Lite was granted extended permissions.

At the moment, only three scriptlets are supported:
- abort-current-script
- json-prune
- set-constant

More will be added in the future.
2022-09-16 15:56:35 -04:00
Raymond Hill 99e4fa1d4d
Set zip to quiet mode 2022-09-15 13:37:39 -04:00
Raymond Hill 34aab95107
[mv3] Add support for specific cosmetic filtering
Specific plain CSS cosmetic filters are now supported.

Cosmetic filtering will occur only after the user explicitly
grant uBO extended permissions for a given site, so that it
can inject CSS on the site.

A new button in the popup panel allows a user to grant/revoke
extended permissions to/from uBO Lite for the current site.

More capabilities will be carefully added for when extended
permissions are granted on a site, so specific cosmetic
filtering through plain CSS is the first implemented capability.

Generic and procedural cosmetic filtering is not implemented.

The current implementation for plain CSS cosmetic filters is
through declarative content injection, which does not require
the service worker to be alive, the browser takes care to
inject the cosmetic filters.

However declarative CSS injection does not support user
styles, so the injected cosmetic filters are "weak". I consider
this is a browser issue, since user styles are supported by
Chromium, there is just no way in the API to specify user
styles for the injected content.

Also:
- Fixed dark theme issues
- Added Steven Black's hosts file

Keep in mind all this is very experimental and implementation
details in this release may (will) greatly change in the future.
2022-09-15 13:14:08 -04:00
Raymond Hill e31637af78
[mv3] Add ability to enable/disable filter lists 2022-09-13 17:44:24 -04:00
Raymond Hill 517f7f5c23
Github action stuff 2022-09-08 12:07:01 -04:00
Raymond Hill 96e1fe49d4
Github action stuff 2022-09-08 11:44:27 -04:00
Raymond Hill fe52c97392
Github action stuff 2022-09-08 11:38:06 -04:00
Raymond Hill 3d4ac1bc0a
Github action stuff 2022-09-08 11:29:35 -04:00
Raymond Hill 091125ecc5
Github action stuff 2022-09-08 11:21:39 -04:00
Raymond Hill 523bf337ba
Fix github action for mv3 2022-09-08 10:24:17 -04:00
Raymond Hill f7205fe2e4
Fine tune build steps 2022-09-07 10:23:40 -04:00
Raymond Hill 224410a6f5
Add per-site on/off switch to mv3 experimental version 2022-09-07 10:15:36 -04:00
Raymond Hill a559f5f271
Add experimental mv3 version
This create a separate Chromium extension, named
"uBO Minus (MV3)".

This experimental mv3 version supports only the blocking of
network requests through the declarativeNetRequest API, so as
to abide by the stated MV3 philosophy of not requiring broad
"read/modify data" permission. Accordingly, the extension
should not trigger the warning at installation time:

    Read and change all your data on all websites

The consequences of being permission-less are the following:

- No cosmetic filtering (##)
- No scriptlet injection (##+js)
- No redirect= filters
- No csp= filters
- No removeparam= filters

At this point there is no popup panel or options pages.

The default filterset correspond to the default filterset of
uBO proper:

Listset for 'default':
  https://ublockorigin.github.io/uAssets/filters/badware.txt
  https://ublockorigin.github.io/uAssets/filters/filters.txt
  https://ublockorigin.github.io/uAssets/filters/filters-2020.txt
  https://ublockorigin.github.io/uAssets/filters/filters-2021.txt
  https://ublockorigin.github.io/uAssets/filters/filters-2022.txt
  https://ublockorigin.github.io/uAssets/filters/privacy.txt
  https://ublockorigin.github.io/uAssets/filters/quick-fixes.txt
  https://ublockorigin.github.io/uAssets/filters/resource-abuse.txt
  https://ublockorigin.github.io/uAssets/filters/unbreak.txt
  https://easylist.to/easylist/easylist.txt
  https://easylist.to/easylist/easyprivacy.txt
  https://malware-filter.gitlab.io/malware-filter/urlhaus-filter-online.txt
  https://pgl.yoyo.org/adservers/serverlist.php?hostformat=hosts&showintro=1&mimetype=plaintext

The result of the conversion of the filters in all these
filter lists is as follow:

Ruleset size for 'default': 22245
  Good: 21408
  Maybe good (regexes): 127
  redirect-rule= (discarded): 458
  csp= (discarded): 85
  removeparams= (discarded): 22
  Unsupported: 145

The fact that the number of DNR rules are far lower than the
number of network filters reported in uBO comes from the fact
that lists-to-rulesets converter does its best to coallesce
filters into minimal set of rules. Notably, the DNR's
requestDomains condition property allows to create a single
DNR rule out of all pure hostname-based filters.

Regex-based rules are dynamically added at launch time since
they must be validated as valid DNR regexes through
isRegexSupported() API call.

At this point I consider being permission-less the limiting
factor: if broad "read/modify data" permission is to be used,
than there is not much point for an MV3 version over MV2, just
use the MV2 version if you want to benefit all the features
which can't be implemented without broad "read/modify data"
permission.

To locally build the MV3 extension:

    make mv3

Then load the resulting extension directory in the browser
using the "Load unpacked" button.

From now on there will be a uBlock0.mv3.zip package available
in each release.
2022-09-06 13:47:52 -04:00