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Expose ability to toggle on/off cname-uncloaking to all users
Related issue: - https://github.com/uBlockOrigin/uBlock-issues/issues/1513 Prior to this commit, the ability to enable/disable the uncloaking of canonical names was only available to advanced users. This commit make it so that the setting can be toggled from the _Settings_ pane. The setting is enabled by default. The documentation should be clear that the setting should not be disabled unless it actually solves serious network issues, for example: https://bugzilla.mozilla.org/show_bug.cgi?id=1694404 Also, as a result, the advanced setting `cnameUncloak` is no longer available from within the advanced settings editor.
This commit is contained in:
Raymond Hill
parent
794c67c7d2
commit
1c3b45f75d
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@ -50,7 +50,7 @@
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const parsedURL = new URL('about:blank');
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// Canonical name-uncloaking feature.
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let cnameUncloak = browser.dns instanceof Object;
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let cnameUncloakEnabled = browser.dns instanceof Object;
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let cnameUncloakProxied = false;
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// https://github.com/uBlockOrigin/uBlock-issues/issues/911
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@ -59,7 +59,7 @@
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// DNS leaks.
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const proxyDetector = function(details) {
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if ( details.proxyInfo instanceof Object ) {
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cnameUncloak = false;
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cnameUncloakEnabled = false;
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proxyDetectorTryCount = 0;
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}
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if ( proxyDetectorTryCount === 0 ) {
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@ -81,6 +81,7 @@
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constructor() {
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super();
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this.pendingRequests = [];
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this.canUncloakCnames = browser.dns instanceof Object;
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this.cnames = new Map([ [ '', '' ] ]);
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this.cnameIgnoreList = null;
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this.cnameIgnore1stParty = true;
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@ -92,9 +93,10 @@
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}
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setOptions(options) {
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super.setOptions(options);
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if ( 'cnameUncloak' in options ) {
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cnameUncloak = browser.dns instanceof Object &&
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options.cnameUncloak !== false;
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if ( 'cnameUncloakEnabled' in options ) {
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cnameUncloakEnabled =
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this.canUncloakCnames &&
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options.cnameUncloakEnabled !== false;
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}
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if ( 'cnameUncloakProxied' in options ) {
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cnameUncloakProxied = options.cnameUncloakProxied === true;
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@ -127,7 +129,7 @@
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// Install/remove proxy detector.
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if ( vAPI.webextFlavor.major < 80 ) {
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const wrohr = browser.webRequest.onHeadersReceived;
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if ( cnameUncloak === false || cnameUncloakProxied ) {
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if ( cnameUncloakEnabled === false || cnameUncloakProxied ) {
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if ( wrohr.hasListener(proxyDetector) ) {
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wrohr.removeListener(proxyDetector);
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}
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@ -266,7 +268,7 @@
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}
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onBeforeSuspendableRequest(details) {
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const r = super.onBeforeSuspendableRequest(details);
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if ( cnameUncloak === false ) { return r; }
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if ( cnameUncloakEnabled === false ) { return r; }
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if ( r !== undefined ) {
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if (
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r.cancel === true ||
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@ -371,6 +371,10 @@
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"message": "Block CSP reports",
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"description": "background information: https://github.com/gorhill/uBlock/issues/3150"
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},
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"settingsUncloakCnamePrompt": {
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"message": "Uncloak canonical names",
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"description": "background information: https://github.com/uBlockOrigin/uBlock-issues/issues/1513"
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},
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"settingsLastRestorePrompt": {
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"message": "Last restore:",
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"description": "English: Last restore:"
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@ -179,6 +179,10 @@ label {
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border-color: var(--checkbox-checked-ink);
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stroke: var(--default-surface);
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}
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.checkbox[disabled],
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.checkbox[disabled] ~ span {
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opacity: 0.5;
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}
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select {
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padding: 2px;
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@ -88,6 +88,7 @@ const µBlock = (( ) => { // jshint ignore:line
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alwaysDetachLogger: true,
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autoUpdate: true,
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cloudStorageEnabled: false,
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cnameUncloakEnabled: true,
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collapseBlocked: true,
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colorBlindFriendly: false,
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contextMenuEnabled: true,
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@ -190,6 +190,9 @@ const onMessage = function(request, sender, callback) {
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case 'userSettings':
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response = µb.changeUserSettings(request.name, request.value);
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if ( vAPI.net.canUncloakCnames !== true ) {
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response.cnameUncloakEnabled = undefined;
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}
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break;
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default:
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@ -240,16 +240,20 @@ const onPreventDefault = function(ev) {
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// TODO: use data-* to declare simple settings
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const onUserSettingsReceived = function(details) {
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uDom('[data-setting-type="bool"]').forEach(function(uNode) {
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uNode.prop('checked', details[uNode.attr('data-setting-name')] === true)
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.on('change', function() {
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changeUserSettings(
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this.getAttribute('data-setting-name'),
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this.checked
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);
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synchronizeDOM();
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});
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});
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const checkboxes = document.querySelectorAll('[data-setting-type="bool"]');
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for ( const checkbox of checkboxes ) {
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const name = checkbox.getAttribute('data-setting-name') || '';
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if ( details[name] === undefined ) {
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checkbox.closest('.checkbox').setAttribute('disabled', '');
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checkbox.setAttribute('disabled', '');
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continue;
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}
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checkbox.checked = details[name] === true;
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checkbox.addEventListener('change', ( ) => {
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changeUserSettings(name, checkbox.checked);
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synchronizeDOM();
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});
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}
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uDom('[data-i18n="settingsNoLargeMediaPrompt"] > input[type="number"]')
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.attr('data-setting-name', 'largeMediaSize')
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@ -175,6 +175,17 @@ const onUserSettingsReady = function(fetched) {
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fetched.externalLists.trim().split(/[\n\r]+/);
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}
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// https://github.com/uBlockOrigin/uBlock-issues/issues/1513
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// Transition nicely.
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// TODO: remove when current version of uBO is well past 1.34.0.
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if ( typeof µb.hiddenSettings.cnameUncloak === false ) {
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fetched.cnameUncloakEnabled = false;
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µb.hiddenSettings.cnameUncloak = true;
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µb.saveHiddenSettings();
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}
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µb.hiddenSettingsDefault.cnameUncloak = undefined;
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µb.hiddenSettings.cnameUncloak = undefined;
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fromFetch(µb.userSettings, fetched);
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if ( µb.privacySettingsSupported ) {
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@ -184,6 +195,14 @@ const onUserSettingsReady = function(fetched) {
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'webrtcIPAddress': !µb.userSettings.webrtcIPAddressHidden
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});
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}
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// https://github.com/uBlockOrigin/uBlock-issues/issues/1513
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if (
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vAPI.net.canUncloakCnames &&
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µb.userSettings.cnameUncloakEnabled === false
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) {
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vAPI.net.setOptions({ cnameUncloakEnabled: false });
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}
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};
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/******************************************************************************/
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@ -234,7 +234,6 @@ self.addEventListener('hiddenSettingsChanged', ( ) => {
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cnameIgnoreRootDocument: µbhs.cnameIgnoreRootDocument,
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cnameMaxTTL: µbhs.cnameMaxTTL,
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cnameReplayFullURL: µbhs.cnameReplayFullURL,
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cnameUncloak: µbhs.cnameUncloak,
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cnameUncloakProxied: µbhs.cnameUncloakProxied,
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});
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});
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@ -322,7 +322,7 @@ const matchBucket = function(url, hostname, bucket, start) {
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}
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// Change -- but only if the user setting actually exists.
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let mustSave = us.hasOwnProperty(name) && value !== us[name];
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const mustSave = us.hasOwnProperty(name) && value !== us[name];
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if ( mustSave ) {
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us[name] = value;
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}
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@ -337,6 +337,11 @@ const matchBucket = function(url, hostname, bucket, start) {
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case 'autoUpdate':
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this.scheduleAssetUpdater(value ? 7 * 60 * 1000 : 0);
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break;
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case 'cnameUncloakEnabled':
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if ( vAPI.net.canUncloakCnames === true ) {
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vAPI.net.setOptions({ cnameUncloakEnabled: value === true });
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}
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break;
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case 'collapseBlocked':
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if ( value === false ) {
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this.cosmeticFilteringEngine.removeFromSelectorCache('*', 'net');
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@ -28,6 +28,7 @@
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<div class="li"><label><span class="input checkbox"><input type="checkbox" data-setting-name="hyperlinkAuditingDisabled" data-setting-type="bool"><svg viewBox="0 0 24 24"><path d="M1.73,12.91 8.1,19.28 22.79,4.59"/></svg></span><span><span data-i18n="settingsHyperlinkAuditingDisabledPrompt"></span> <a class="fa-icon info important" href="https://github.com/gorhill/uBlock/wiki/Dashboard:-Settings#disable-hyperlink-auditing" target="_blank">info-circle</a></span></label></div>
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<div class="li"><label><span class="input checkbox"><input type="checkbox" data-setting-name="webrtcIPAddressHidden" data-setting-type="bool"><svg viewBox="0 0 24 24"><path d="M1.73,12.91 8.1,19.28 22.79,4.59"/></svg></span><span><span data-i18n="settingsWebRTCIPAddressHiddenPrompt"></span> <a class="fa-icon info important" href="https://github.com/gorhill/uBlock/wiki/Prevent-WebRTC-from-leaking-local-IP-address" target="_blank">info-circle</a></span></label></div>
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<div class="li"><label><span class="input checkbox"><input type="checkbox" data-setting-name="noCSPReports" data-setting-type="bool"><svg viewBox="0 0 24 24"><path d="M1.73,12.91 8.1,19.28 22.79,4.59"/></svg></span><span><span data-i18n="settingsNoCSPReportsPrompt"></span> <a class="fa-icon info" href="https://github.com/gorhill/uBlock/wiki/Dashboard:-Settings#block-csp-reports" target="_blank">info-circle</a></span></label></div>
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<div class="li"><label><span class="input checkbox"><input type="checkbox" data-setting-name="cnameUncloakEnabled" data-setting-type="bool"><svg viewBox="0 0 24 24"><path d="M1.73,12.91 8.1,19.28 22.79,4.59"/></svg></span><span><span data-i18n="settingsUncloakCnamePrompt"></span> <a class="fa-icon info" href="https://github.com/gorhill/uBlock/wiki/Dashboard:-Settings#uncloak-canonical-names" target="_blank">info-circle</a></span></label></div>
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</div>
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<hr>
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<div class="fieldset">
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