Bug 42027: Base Browser migration procedures. (82860088) · Commits · The Tor Project / Applications / Mullvad Browser

browser/components/BrowserGlue.sys.mjs

+48 −0

Original line number	Diff line number	Diff line
		@@ -1531,6 +1531,9 @@ BrowserGlue.prototype = {
		// handle any UI migration
		this._migrateUI();

		// Base Browser-specific version of _migrateUI.
		this._migrateUIBB();

		if (!Services.prefs.prefHasUserValue(PREF_PDFJS_ISDEFAULT_CACHE_STATE)) {
		lazy.PdfJs.checkIsDefault(this._isNewProfile);
		}
		@@ -4664,6 +4667,51 @@ BrowserGlue.prototype = {
		Services.prefs.setIntPref("browser.migration.version", UI_VERSION);
		},

		_migrateUIBB() {
		// Version 1: 13.0a3. Reset layout.css.prefers-color-scheme.content-override
		// for tor-browser#41739.
		// Version 2: 14.0a5: Reset the privacy tracking headers preferences since
		// the UI is hidden. tor-browser#42777.
		// Also, do not set
		// dom.security.https_only_mode_send_http_background_request in
		// the security level anymore (tor-browser#42149).
		// Also, reset security.xfocsp.errorReporting.automatic since we
		// hid its neterror checkbox. tor-browser#42653.
		// Version 3: 14.0a7: Reset general.smoothScroll. tor-browser#42070.
		const MIGRATION_VERSION = 3;
		const MIGRATION_PREF = "basebrowser.migration.version";
		// We do not care whether this is a new or old profile, since in version 1
		// we just quickly clear a user preference, which should not do anything to
		// new profiles.
		// Shall we ever raise the version number and have a watershed, we can add
		// a check easily (any version > 0 will be an old profile).
		const currentVersion = Services.prefs.getIntPref(MIGRATION_PREF, 0);
		if (currentVersion < 1) {
		Services.prefs.clearUserPref(
		"layout.css.prefers-color-scheme.content-override"
		);
		}
		if (currentVersion < 2) {
		for (const prefName of [
		"privacy.globalprivacycontrol.enabled",
		"privacy.donottrackheader.enabled",
		// Telemetry preference for if the user changed the value.
		"privacy.globalprivacycontrol.was_ever_enabled",
		// The next two preferences have no corresponding UI, but are related.
		"privacy.globalprivacycontrol.functionality.enabled",
		"privacy.globalprivacycontrol.pbmode.enabled",
		"dom.security.https_only_mode_send_http_background_request",
		"security.xfocsp.errorReporting.automatic",
		]) {
		Services.prefs.clearUserPref(prefName);
		}
		}
		if (currentVersion < 3) {
		Services.prefs.clearUserPref("general.smoothScroll");
		}
		Services.prefs.setIntPref(MIGRATION_PREF, MIGRATION_VERSION);
		},

		async _showUpgradeDialog() {
		const data = await lazy.OnboardingMessageProvider.getUpgradeMessage();
		const { gBrowser } = lazy.BrowserWindowTracker.getTopWindow();

mobile/shared/components/geckoview/GeckoViewStartup.sys.mjs

+46 −0

Original line number	Diff line number	Diff line
		@@ -259,6 +259,8 @@ export class GeckoViewStartup {
		"GeckoView:InitialForeground",
		]);

		this.#migratePreferences();

		Services.obs.addObserver(this, "browser-idle-startup-tasks-finished");
		Services.obs.addObserver(this, "handlersvc-store-initialized");

		@@ -365,6 +367,50 @@ export class GeckoViewStartup {
		break;
		}
		}

		/**
		* This is the equivalent of BrowserGlue._migrateUITBB.
		*/
		#migratePreferences() {
		const MIGRATION_VERSION = 1;
		const MIGRATION_PREF = "torbrowser.migration_android.version";

		// We do not have a way to check for new profiles on Android.
		// However, the first version is harmless for new installs, so run it
		// anyway.
		const currentVersion = Services.prefs.getIntPref(MIGRATION_PREF, 0);
		if (currentVersion < 1) {
		// First implementation of the migration on Android (tor-browser#43124,
		// 14.0a5, September 2024).
		const prefToClear = [
		// Old torbutton preferences not used anymore.
		// Some of them should have never been set on Android, as on Android we
		// force PBM... But who knows about very old profiles.
		"browser.cache.disk.enable",
		"places.history.enabled",
		"security.nocertdb",
		"permissions.memory_only",
		"extensions.torbutton.loglevel",
		"extensions.torbutton.logmethod",
		"extensions.torbutton.pref_fixup_version",
		"extensions.torbutton.resize_new_windows",
		"extensions.torbutton.startup",
		"extensions.torlauncher.prompt_for_locale",
		"extensions.torlauncher.loglevel",
		"extensions.torlauncher.logmethod",
		"extensions.torlauncher.torrc_fixup_version",
		// tor-browser#42149: Do not change HTTPS-Only settings in the security
		// level.
		"dom.security.https_only_mode_send_http_background_request",
		];
		for (const pref of prefToClear) {
		if (Services.prefs.prefHasUserValue(pref)) {
		Services.prefs.clearUserPref(pref);
		}
		}
		}
		Services.prefs.setIntPref(MIGRATION_PREF, MIGRATION_VERSION);
		}
		}

		GeckoViewStartup.prototype.classID = Components.ID(