mirror of
https://github.com/gorhill/uBlock.git
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Fix timing issue with cached redirection to web accessible resources
Reported internally by @gwarser.
In rare occasion, a timing issue could cause uBO to redirect
to a web accessible resource meant to be used for another
network request. This is a regression introduced with the
following commit:
- 2e5d32e967
Additionally, I identified another issue which would cause
cached redirection to fail when a cache entry with redirection
to a web accessible resource was being reused, an issue which
could especially affect pages which are generated dynamically
(i.e. without full page reload).
This commit is contained in:
parent
fd419cf0a3
commit
8985376b00
@ -1169,7 +1169,7 @@ vAPI.warSecret = (( ) => {
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lastSecretTime = Date.now();
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lastSecretTime = Date.now();
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const secret = generateSecret();
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const secret = generateSecret();
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secrets.push(secret);
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secrets.push(secret);
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return `?secret=${secret}`;
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return secret;
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};
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};
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})();
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})();
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@ -748,7 +748,7 @@ const onMessage = function(request, sender, callback) {
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mouse: µb.epickerArgs.mouse,
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mouse: µb.epickerArgs.mouse,
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zap: µb.epickerArgs.zap,
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zap: µb.epickerArgs.zap,
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eprom: µb.epickerArgs.eprom,
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eprom: µb.epickerArgs.eprom,
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pickerURL: vAPI.getURL(`/web_accessible_resources/epicker-ui.html${vAPI.warSecret()}`),
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pickerURL: vAPI.getURL(`/web_accessible_resources/epicker-ui.html?secret=${vAPI.warSecret()}`),
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};
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};
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µb.epickerArgs.target = '';
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µb.epickerArgs.target = '';
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break;
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break;
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@ -134,11 +134,23 @@ const NetFilteringResultCache = class {
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}
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}
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lookupResult(fctxt) {
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lookupResult(fctxt) {
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return this.results.get(
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const entry = this.results.get(
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fctxt.getDocHostname() + ' ' +
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fctxt.getDocHostname() + ' ' +
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fctxt.type + ' ' +
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fctxt.type + ' ' +
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fctxt.url
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fctxt.url
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);
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);
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if ( entry === undefined ) { return; }
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// We need to use a new WAR secret if one is present since WAR secrets
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// can only be used once.
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if (
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entry.redirectURL !== undefined &&
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entry.redirectURL.startsWith(this.extensionOriginURL)
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) {
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const redirectURL = new URL(entry.redirectURL);
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redirectURL.searchParams.set('secret', vAPI.warSecret());
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entry.redirectURL = redirectURL.href;
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}
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return entry;
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}
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}
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lookupAllBlocked(hostname) {
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lookupAllBlocked(hostname) {
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@ -158,6 +170,7 @@ const NetFilteringResultCache = class {
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};
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};
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NetFilteringResultCache.prototype.shelfLife = 15000;
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NetFilteringResultCache.prototype.shelfLife = 15000;
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NetFilteringResultCache.prototype.extensionOriginURL = vAPI.getURL('/');
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/******************************************************************************/
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/******************************************************************************/
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@ -267,18 +280,6 @@ const PageStore = class {
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this.frames = new Map();
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this.frames = new Map();
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this.setFrameURL(0, tabContext.rawURL);
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this.setFrameURL(0, tabContext.rawURL);
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// The current filtering context is cloned because:
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// - We may be called with or without the current context having been
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// initialized.
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// - If it has been initialized, we do not want to change the state
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// of the current context.
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const fctxt = µb.logger.enabled
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? µb.filteringContext
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.duplicate()
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.fromTabId(tabId)
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.setURL(tabContext.rawURL)
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: undefined;
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// https://github.com/uBlockOrigin/uBlock-issues/issues/314
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// https://github.com/uBlockOrigin/uBlock-issues/issues/314
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const masterSwitch = tabContext.getNetFilteringSwitch();
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const masterSwitch = tabContext.getNetFilteringSwitch();
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@ -292,7 +293,11 @@ const PageStore = class {
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µb.logger.enabled &&
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µb.logger.enabled &&
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context === 'tabCommitted'
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context === 'tabCommitted'
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) {
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) {
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fctxt.setRealm('cosmetic')
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µb.filteringContext
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.duplicate()
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.fromTabId(tabId)
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.setURL(tabContext.rawURL)
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.setRealm('cosmetic')
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.setType('dom')
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.setType('dom')
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.setFilter(µb.sessionSwitches.toLogData())
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.setFilter(µb.sessionSwitches.toLogData())
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.toLogger();
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.toLogger();
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@ -540,6 +545,7 @@ const PageStore = class {
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filterRequest(fctxt) {
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filterRequest(fctxt) {
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fctxt.filter = undefined;
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fctxt.filter = undefined;
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fctxt.redirectURL = undefined;
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if ( this.getNetFilteringSwitch(fctxt) === false ) {
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if ( this.getNetFilteringSwitch(fctxt) === false ) {
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return 0;
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return 0;
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@ -212,7 +212,7 @@ const RedirectEntry = class {
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fctxt instanceof Object &&
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fctxt instanceof Object &&
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fctxt.type !== 'xmlhttprequest'
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fctxt.type !== 'xmlhttprequest'
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) {
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) {
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let url = `${this.warURL}${vAPI.warSecret()}`;
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let url = `${this.warURL}?secret=${vAPI.warSecret()}`;
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if ( this.params !== undefined ) {
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if ( this.params !== undefined ) {
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for ( const name of this.params ) {
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for ( const name of this.params ) {
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const value = fctxt[name];
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const value = fctxt[name];
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@ -489,7 +489,7 @@ RedirectEngine.prototype.loadBuiltinResources = function() {
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}
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}
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fetches.push(
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fetches.push(
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µBlock.assets.fetch(
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µBlock.assets.fetch(
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`/web_accessible_resources/${name}${vAPI.warSecret()}`,
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`/web_accessible_resources/${name}?secret=${vAPI.warSecret()}`,
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{ responseType: details.data }
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{ responseType: details.data }
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).then(
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).then(
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result => process(result)
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result => process(result)
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