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this foils "speculative pre-connections"
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@ -103,62 +103,108 @@ window.addEventListener('unload', function() {
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vAPI.browserSettings = {
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originalValues: {},
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rememberOriginalValue: function(branch, setting) {
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var key = branch + '.' + setting;
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rememberOriginalValue: function(path, setting) {
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var key = path + '.' + setting;
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if ( this.originalValues.hasOwnProperty(key) ) {
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return;
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}
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var hasUserValue = false;
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var hasUserValue;
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var branch = Services.prefs.getBranch(path + '.');
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try {
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hasUserValue = Services.prefs.getBranch(branch + '.').prefHasUserValue(setting);
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hasUserValue = branch.prefHasUserValue(setting);
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} catch (ex) {
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}
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this.originalValues[key] = hasUserValue ? this.getBool(branch, setting) : undefined;
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if ( hasUserValue !== undefined ) {
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this.originalValues[key] = hasUserValue ? this.getValue(path, setting) : undefined;
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}
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},
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clear: function(branch, setting) {
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var key = branch + '.' + setting;
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clear: function(path, setting) {
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var key = path + '.' + setting;
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// Value was not overriden -- nothing to restore
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if ( this.originalValues.hasOwnProperty(key) === false ) {
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return;
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}
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var value = this.originalValues[key];
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// https://github.com/gorhill/uBlock/issues/292#issuecomment-109621979
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// Forget the value immediately, it may change outside of
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// uBlock control.
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delete this.originalValues[key];
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// Original value was a default one
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if ( value === undefined ) {
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try {
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Services.prefs.getBranch(branch + '.').clearUserPref(setting);
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Services.prefs.getBranch(path + '.').clearUserPref(setting);
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} catch (ex) {
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}
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return;
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}
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// Current value is same as original
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if ( this.getBool(branch, setting) === value ) {
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if ( this.getValue(path, setting) === value ) {
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return;
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}
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// Reset to original value
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try {
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Services.prefs.getBranch(branch + '.').setBoolPref(setting, value);
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this.setValue(path, setting, value);
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} catch (ex) {
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}
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},
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getBool: function(branch, setting) {
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getValue: function(path, setting) {
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var branch = Services.prefs.getBranch(path + '.');
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// https://developer.mozilla.org/en-US/docs/Mozilla/Tech/XPCOM/Reference/Interface/nsIPrefBranch#getPrefType%28%29
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var getMethod;
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switch ( branch.getPrefType(setting) ) {
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// PREF_INT
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case 64:
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getMethod = 'getIntPref';
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break;
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// PREF_BOOL
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case 128:
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getMethod = 'getBoolPref';
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break;
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default:
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break;
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}
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if ( getMethod !== undefined ) {
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try {
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return Services.prefs.getBranch(branch + '.').getBoolPref(setting);
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return branch[getMethod](setting);
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} catch (ex) {
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}
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}
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return undefined;
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},
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setBool: function(branch, setting, value) {
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setValue: function(path, setting, value) {
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var branch = Services.prefs.getBranch(path + '.');
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var setMethod;
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switch ( typeof value ) {
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// PREF_INT
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case 'number':
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setMethod = 'setIntPref';
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break;
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// PREF_BOOL
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case 'boolean':
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setMethod = 'setBoolPref';
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break;
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default:
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break;
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}
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if ( setMethod !== undefined ) {
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try {
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Services.prefs.getBranch(branch + '.').setBoolPref(setting, value);
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branch[setMethod](setting, value);
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} catch (ex) {
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}
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}
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},
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set: function(details) {
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@ -170,13 +216,19 @@ vAPI.browserSettings = {
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switch ( setting ) {
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case 'prefetching':
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this.rememberOriginalValue('network', 'prefetch-next');
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// http://betanews.com/2015/08/15/firefox-stealthily-loads-webpages-when-you-hover-over-links-heres-how-to-stop-it/
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// https://bugzilla.mozilla.org/show_bug.cgi?id=814169
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// Sigh.
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this.rememberOriginalValue('network.http', 'speculative-parallel-limit');
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value = !!details[setting];
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// https://github.com/gorhill/uBlock/issues/292
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// "true" means "do not disable", i.e. leave entry alone
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if ( value === true ) {
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this.clear('network', 'prefetch-next');
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this.clear('network.http', 'speculative-parallel-limit');
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} else {
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this.setBool('network', 'prefetch-next', false);
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this.setValue('network', 'prefetch-next', false);
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this.setValue('network.http', 'speculative-parallel-limit', 0);
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}
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break;
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@ -190,8 +242,8 @@ vAPI.browserSettings = {
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this.clear('browser', 'send_pings');
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this.clear('beacon', 'enabled');
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} else {
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this.setBool('browser', 'send_pings', false);
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this.setBool('beacon', 'enabled', false);
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this.setValue('browser', 'send_pings', false);
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this.setValue('beacon', 'enabled', false);
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}
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break;
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@ -201,7 +253,7 @@ vAPI.browserSettings = {
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if ( value === true ) {
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this.clear('media.peerconnection', 'enabled');
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} else {
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this.setBool('media.peerconnection', 'enabled', false);
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this.setValue('media.peerconnection', 'enabled', false);
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}
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break;
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@ -2949,8 +3001,10 @@ vAPI.cloud = (function() {
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var bin = {
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'source': options.deviceName || getDefaultDeviceName(),
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'tstamp': Date.now(),
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'data': data
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'data': data,
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'size': 0
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};
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bin.size = JSON.stringify(bin).length;
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branch.setCharPref(datakey, JSON.stringify(bin));
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if ( typeof callback === 'function' ) {
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callback();
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