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TorSettings-TorConnect refactor: Part 1: Have TorSettings handle Moat bridges

Merge Info

Issues

Resolves

  • Part 1

Related

Merging

Target Branches

  • tor-browser - !fixups to tor-browser-specific commits, new features, security backports
  • base-browser and mullvad-browser - !fixups to base-browser-specific commits, new features to be shared with mullvad-browser, and security backports
    • ⚠️ IMPORTANT: Please list the base-browser-specific commits which need to be cherry-picked to the base-browser and mullvad-browser branches here

Target Channels

  • Alpha: esr128-14.5
  • Stable: esr128-14.0
  • Legacy: esr115-13.5

Backporting

Timeline

  • No Backport (preferred): patchset for the next major stable
  • Immediate: patchset needed as soon as possible
  • Next Minor Stable Release: patchset that needs to be verified in nightly before backport
  • Eventually: patchset that needs to be verified in alpha before backport

(Optional) Justification

  • Emergency security update: patchset fixes CVEs, 0-days, etc
  • Censorship event: patchset enables censorship circumvention
  • Critical bug-fix: patchset fixes a bug in core-functionality
  • Consistency: patchset which would make development easier if it were in both the alpha and release branches; developer tools, build system changes, etc
  • Sponsor required: patchset required for sponsor
  • Localization: typos and other localization changes that should be also in the release branch
  • Other: please explain

Issue Tracking

Review

Request Reviewer

  • Request review from an applications developer depending on modified system:
    • NOTE: if the MR modifies multiple areas, please /cc all the relevant reviewers (since Gitlab only allows 1 reviewer)
    • accessibility : henry
    • android : clairehurst, dan
    • build system : boklm
    • extensions : ma1
    • firefox internals (XUL/JS/XPCOM) : jwilde, ma1
    • fonts : pierov
    • frontend (implementation) : henry
    • frontend (review) : donuts, morgan
    • localization : henry, pierov
    • macOS : clairehurst, dan
    • nightly builds : boklm
    • rebases/release-prep : dan, ma1, pierov, morgan
    • security : jwilde, ma1
    • signing : boklm, morgan
    • updater : pierov
    • windows : jwilde, morgan
    • misc/other : pierov, morgan

Change Description

We move the Moat bridges logic from TorConnect to TorSettings to make TorSettings the full controller of TorProvider settings.

This is in preparation for the changes needed in #41921 (closed)

How Tested

Set torbrowser.debug.censorship_level to 1. Selecting "Russia" will get "BridgeDB" bridges after TorConnect succeeds. Selecting "Afghanistan" will set built-in bridges instead.

Cancelling the bootstrap will lead to the bridges not being changed.

Merge request reports

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