mirror of
https://github.com/gorhill/uBlock.git
synced 2024-09-03 01:29:39 +02:00
Related issue: - https://github.com/gorhill/uBlock/issues/1493 Documentation: - https://help.eyeo.com/adblockplus/how-to-write-filters#type-options Test page: - https://testpages.adblockplus.org/en/filters/ping Additionally, network requests of type `beacon` will be mapped to `ping` by the static filtering engine.
138 lines
4.8 KiB
JavaScript
138 lines
4.8 KiB
JavaScript
/*******************************************************************************
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uBlock Origin - a browser extension to block requests.
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Copyright (C) 2017-present Raymond Hill
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see {http://www.gnu.org/licenses/}.
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Home: https://github.com/gorhill/uBlock
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*/
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// For background page
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'use strict';
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/******************************************************************************/
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(( ) => {
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// https://github.com/uBlockOrigin/uBlock-issues/issues/407
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if ( vAPI.webextFlavor.soup.has('firefox') === false ) { return; }
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// https://github.com/gorhill/uBlock/issues/2950
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// Firefox 56 does not normalize URLs to ASCII, uBO must do this itself.
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// https://bugzilla.mozilla.org/show_bug.cgi?id=945240
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const evalMustPunycode = ( ) => {
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return vAPI.webextFlavor.soup.has('firefox') &&
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vAPI.webextFlavor.major < 57;
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};
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let mustPunycode = evalMustPunycode();
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// The real actual webextFlavor value may not be set in stone, so listen
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// for possible future changes.
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window.addEventListener('webextFlavor', ( ) => {
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mustPunycode = evalMustPunycode();
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}, { once: true });
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const punycode = self.punycode;
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const reAsciiHostname = /^https?:\/\/[0-9a-z_.:@-]+[/?#]/;
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const parsedURL = new URL('about:blank');
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// Related issues:
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// - https://github.com/gorhill/uBlock/issues/1327
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// - https://github.com/uBlockOrigin/uBlock-issues/issues/128
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// - https://bugzilla.mozilla.org/show_bug.cgi?id=1503721
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// Extend base class to normalize as per platform.
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vAPI.Net = class extends vAPI.Net {
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constructor() {
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super();
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this.pendingRequests = [];
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}
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normalizeDetails(details) {
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if ( mustPunycode && !reAsciiHostname.test(details.url) ) {
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parsedURL.href = details.url;
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details.url = details.url.replace(
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parsedURL.hostname,
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punycode.toASCII(parsedURL.hostname)
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);
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}
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const type = details.type;
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if ( type === 'imageset' ) {
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details.type = 'image';
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return;
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}
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// https://github.com/uBlockOrigin/uBlock-issues/issues/345
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// Re-categorize an embedded object as a `sub_frame` if its
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// content type is that of a HTML document.
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if ( type === 'object' && Array.isArray(details.responseHeaders) ) {
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for ( const header of details.responseHeaders ) {
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if ( header.name.toLowerCase() === 'content-type' ) {
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if ( header.value.startsWith('text/html') ) {
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details.type = 'sub_frame';
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}
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break;
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}
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}
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}
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}
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denormalizeTypes(types) {
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if ( types.length === 0 ) {
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return Array.from(this.validTypes);
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}
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const out = new Set();
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for ( const type of types ) {
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if ( this.validTypes.has(type) ) {
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out.add(type);
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}
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if ( type === 'image' && this.validTypes.has('imageset') ) {
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out.add('imageset');
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}
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if ( type === 'sub_frame' ) {
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out.add('object');
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}
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}
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return Array.from(out);
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}
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suspendOneRequest(details) {
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const pending = {
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details: Object.assign({}, details),
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resolve: undefined,
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promise: undefined
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};
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pending.promise = new Promise(function(resolve) {
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pending.resolve = resolve;
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});
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this.pendingRequests.push(pending);
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return pending.promise;
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}
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unsuspendAllRequests(resolver) {
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const pendingRequests = this.pendingRequests;
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this.pendingRequests = [];
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for ( const entry of pendingRequests ) {
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entry.resolve(resolver(entry.details));
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}
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}
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canSuspend() {
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return true;
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}
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};
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})();
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/******************************************************************************/
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