mirror of
https://github.com/gorhill/uBlock.git
synced 2024-09-14 23:12:28 +02:00
this fixes #665
This commit is contained in:
gorhill
parent
aa413ff66b
commit
7a5d09b4a2
@ -13,7 +13,6 @@
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<script src="js/background.js"></script>
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<script src="js/xal.js"></script>
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<script src="js/async.js"></script>
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<script src="js/liquid-dict.js"></script>
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<script src="js/utils.js"></script>
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<script src="js/uritools.js"></script>
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<script src="js/assets.js"></script>
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@ -72,12 +72,9 @@ return {
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netWhitelist: {},
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netWhitelistModifyTime: 0,
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netWhitelistDefault: [
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'about-scheme',
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'behind-the-scene',
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'chrome-extension-scheme',
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'chrome-scheme',
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'data-scheme',
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'file-scheme',
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'opera-scheme',
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''
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].join('\n').trim(),
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@ -118,7 +115,7 @@ return {
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firstUpdateAfter: 5 * oneMinute,
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nextUpdateAfter: 7 * oneHour,
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selfieMagic: 'knreayqtuguf',
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selfieMagic: 'jhigubkbgtws',
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selfieAfter: 7 * oneMinute,
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pageStores: {},
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@ -1,228 +0,0 @@
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/*******************************************************************************
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µBlock - a Chromium browser extension to block requests.
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Copyright (C) 2014 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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/* jshint bitwise: false */
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/* global µBlock */
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'use strict';
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/******************************************************************************/
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µBlock.LiquidDict = (function() {
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/******************************************************************************/
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var LiquidDict = function() {
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this.dict = {};
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this.count = 0;
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this.bucketCount = 0;
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this.frozenBucketCount = 0;
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// Somewhat arbitrary: I need to come up with hard data to know at which
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// point binary search is better than indexOf.
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this.cutoff = 256;
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};
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/******************************************************************************/
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var meltBucket = function(ldict, len, bucket) {
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ldict.frozenBucketCount -= 1;
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var map = {};
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if ( bucket.charAt(0) === ' ' ) {
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bucket.trim().split(' ').map(function(k) {
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map[k] = true;
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});
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} else {
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var offset = 0;
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while ( offset < bucket.length ) {
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map[bucket.substring(offset, len)] = true;
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offset += len;
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}
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}
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return map;
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};
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/******************************************************************************/
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// var melt = function(ldict) {
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// var buckets = ldict.dict;
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// var bucket;
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// for ( var key in buckets ) {
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// bucket = buckets[key];
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// if ( typeof bucket === 'string' ) {
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// buckets[key] = meltBucket(ldict, key.charCodeAt(0) & 0xFF, bucket);
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// }
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// }
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// };
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/******************************************************************************/
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var freezeBucket = function(ldict, bucket) {
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ldict.frozenBucketCount += 1;
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var words = Object.keys(bucket);
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var wordLen = words[0].length;
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if ( wordLen * words.length < ldict.cutoff ) {
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return ' ' + words.join(' ') + ' ';
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}
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return words.sort().join('');
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};
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/******************************************************************************/
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// How the key is derived dictates the number and size of buckets.
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//
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// http://jsperf.com/makekey-concat-vs-join/3
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//
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// Question: Why is using a prototyped function better than a standalone
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// helper function?
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LiquidDict.prototype.makeKey = function(word) {
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var len = word.length;
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if ( len > 255 ) {
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len = 255;
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}
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var i8 = len >>> 3;
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var i4 = len >>> 2;
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var i2 = len >>> 1;
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// Be sure the msb is not set, this will guarantee a valid unicode
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// character (because 0xD800-0xDFFF).
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return String.fromCharCode(
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(word.charCodeAt( i8) & 0x01) << 14 |
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(word.charCodeAt( i4 ) & 0x01) << 13 |
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(word.charCodeAt( i4+i8) & 0x01) << 12 |
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(word.charCodeAt(i2 ) & 0x01) << 11 |
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(word.charCodeAt(i2 +i8) & 0x01) << 10 |
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(word.charCodeAt(i2+i4 ) & 0x01) << 9 |
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(word.charCodeAt(i2+i4+i8) & 0x01) << 8 ,
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len
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);
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};
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/******************************************************************************/
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LiquidDict.prototype.test = function(word) {
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var key = this.makeKey(word);
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var bucket = this.dict[key];
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if ( bucket === undefined ) {
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return false;
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}
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if ( typeof bucket === 'object' ) {
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return bucket[word] !== undefined;
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}
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if ( bucket.charAt(0) === ' ' ) {
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return bucket.indexOf(' ' + word + ' ') !== -1;
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}
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// binary search
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var len = word.length;
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var left = 0;
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// http://jsperf.com/or-vs-floor/3
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var right = ~~(bucket.length / len + 0.5);
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var i, needle;
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while ( left < right ) {
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i = left + right >> 1;
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needle = bucket.substr( len * i, len );
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if ( word < needle ) {
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right = i;
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} else if ( word > needle ) {
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left = i + 1;
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} else {
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return true;
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}
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}
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return false;
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};
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/******************************************************************************/
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LiquidDict.prototype.add = function(word) {
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var key = this.makeKey(word);
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if ( key === undefined ) {
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return false;
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}
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var bucket = this.dict[key];
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if ( bucket === undefined ) {
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this.dict[key] = bucket = {};
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this.bucketCount += 1;
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bucket[word] = true;
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this.count += 1;
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return true;
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} else if ( typeof bucket === 'string' ) {
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this.dict[key] = bucket = meltBucket(this, word.len, bucket);
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}
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if ( bucket[word] === undefined ) {
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bucket[word] = true;
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this.count += 1;
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return true;
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}
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return false;
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};
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/******************************************************************************/
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LiquidDict.prototype.freeze = function() {
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var buckets = this.dict;
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var bucket;
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for ( var key in buckets ) {
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bucket = buckets[key];
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if ( typeof bucket === 'object' ) {
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buckets[key] = freezeBucket(this, bucket);
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}
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}
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};
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/******************************************************************************/
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LiquidDict.prototype.reset = function() {
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this.dict = {};
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this.count = 0;
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this.bucketCount = 0;
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this.frozenBucketCount = 0;
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};
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/******************************************************************************/
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LiquidDict.prototype.toSelfie = function() {
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return {
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count: this.count,
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bucketCount: this.bucketCount,
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frozenBucketCount: this.frozenBucketCount,
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dict: this.dict
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};
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};
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/******************************************************************************/
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LiquidDict.prototype.fromSelfie = function(selfie) {
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this.count = selfie.count;
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this.bucketCount = selfie.bucketCount;
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this.frozenBucketCount = selfie.frozenBucketCount;
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this.dict = selfie.dict;
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};
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/******************************************************************************/
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return LiquidDict;
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/******************************************************************************/
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})();
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/******************************************************************************/
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@ -78,8 +78,6 @@ const AllowAnyTypeAnyParty = AllowAction | AnyType | AnyParty;
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const AllowAnyType = AllowAction | AnyType;
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const AllowAnyParty = AllowAction | AnyParty;
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var pageHostname = ''; // short-lived register
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var reHostnameRule = /^[0-9a-z][0-9a-z.-]+[0-9a-z]$/;
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var reHostnameToken = /^[0-9a-z]+/g;
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var reGoodToken = /[%0-9a-z]{2,}/g;
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@ -90,6 +88,14 @@ var reURLPostHostnameAnchors = /[\/?#]/;
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/******************************************************************************/
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// See the following as short-lived registers, used during evaluation. They are
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// valid until the next evaluation.
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var pageHostnameRegister = '';
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var requestHostnameRegister = '';
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/******************************************************************************/
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var histogram = function() {};
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/*
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histogram = function(label, categories) {
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@ -236,7 +242,7 @@ var FilterPlainHostname = function(s, tokenBeg, hostname) {
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};
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FilterPlainHostname.prototype.match = function(url, tokenBeg) {
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return pageHostname.slice(-this.hostname.length) === this.hostname &&
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return pageHostnameRegister.slice(-this.hostname.length) === this.hostname &&
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url.substr(tokenBeg - this.tokenBeg, this.s.length) === this.s;
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};
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@ -289,7 +295,7 @@ var FilterPlainPrefix0Hostname = function(s, hostname) {
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};
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FilterPlainPrefix0Hostname.prototype.match = function(url, tokenBeg) {
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return pageHostname.slice(-this.hostname.length) === this.hostname &&
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return pageHostnameRegister.slice(-this.hostname.length) === this.hostname &&
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url.substr(tokenBeg, this.s.length) === this.s;
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};
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@ -341,7 +347,7 @@ var FilterPlainPrefix1Hostname = function(s, hostname) {
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};
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FilterPlainPrefix1Hostname.prototype.match = function(url, tokenBeg) {
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return pageHostname.slice(-this.hostname.length) === this.hostname &&
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return pageHostnameRegister.slice(-this.hostname.length) === this.hostname &&
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url.substr(tokenBeg - 1, this.s.length) === this.s;
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};
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@ -393,7 +399,7 @@ var FilterPlainLeftAnchoredHostname = function(s, hostname) {
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};
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FilterPlainLeftAnchoredHostname.prototype.match = function(url) {
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return pageHostname.slice(-this.hostname.length) === this.hostname &&
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return pageHostnameRegister.slice(-this.hostname.length) === this.hostname &&
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url.slice(0, this.s.length) === this.s;
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};
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@ -445,7 +451,7 @@ var FilterPlainRightAnchoredHostname = function(s, hostname) {
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};
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FilterPlainRightAnchoredHostname.prototype.match = function(url) {
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return pageHostname.slice(-this.hostname.length) === this.hostname &&
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return pageHostnameRegister.slice(-this.hostname.length) === this.hostname &&
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url.slice(-this.s.length) === this.s;
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};
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@ -547,7 +553,7 @@ var FilterSingleWildcardHostname = function(lSegment, rSegment, tokenBeg, hostna
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FilterSingleWildcardHostname.prototype.match = function(url, tokenBeg) {
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tokenBeg -= this.tokenBeg;
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return pageHostname.slice(-this.hostname.length) === this.hostname &&
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return pageHostnameRegister.slice(-this.hostname.length) === this.hostname &&
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url.substr(tokenBeg, this.lSegment.length) === this.lSegment &&
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url.indexOf(this.rSegment, tokenBeg + this.lSegment.length) > 0;
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};
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@ -607,7 +613,7 @@ var FilterSingleWildcardPrefix0Hostname = function(lSegment, rSegment, hostname)
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};
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FilterSingleWildcardPrefix0Hostname.prototype.match = function(url, tokenBeg) {
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return pageHostname.slice(-this.hostname.length) === this.hostname &&
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return pageHostnameRegister.slice(-this.hostname.length) === this.hostname &&
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url.substr(tokenBeg, this.lSegment.length) === this.lSegment &&
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url.indexOf(this.rSegment, tokenBeg + this.lSegment.length) > 0;
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};
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@ -666,7 +672,7 @@ var FilterSingleWildcardLeftAnchoredHostname = function(lSegment, rSegment, host
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};
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FilterSingleWildcardLeftAnchoredHostname.prototype.match = function(url) {
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return pageHostname.slice(-this.hostname.length) === this.hostname &&
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return pageHostnameRegister.slice(-this.hostname.length) === this.hostname &&
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url.slice(0, this.lSegment.length) === this.lSegment &&
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url.indexOf(this.rSegment, this.lSegment.length) > 0;
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};
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@ -725,7 +731,7 @@ var FilterSingleWildcardRightAnchoredHostname = function(lSegment, rSegment, hos
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};
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FilterSingleWildcardRightAnchoredHostname.prototype.match = function(url) {
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return pageHostname.slice(-this.hostname.length) === this.hostname &&
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return pageHostnameRegister.slice(-this.hostname.length) === this.hostname &&
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url.slice(-this.rSegment.length) === this.rSegment &&
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url.lastIndexOf(this.lSegment, url.length - this.rSegment.length - this.lSegment.length) >= 0;
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};
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@ -791,7 +797,7 @@ var FilterManyWildcardsHostname = function(s, tokenBeg, hostname) {
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};
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FilterManyWildcardsHostname.prototype.match = function(url, tokenBeg) {
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return pageHostname.slice(-this.hostname.length) === this.hostname &&
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return pageHostnameRegister.slice(-this.hostname.length) === this.hostname &&
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this.re.test(url.slice(tokenBeg - this.tokenBeg));
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};
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@ -847,7 +853,7 @@ var FilterRegexHostname = function(s, hostname) {
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FilterRegexHostname.prototype.match = function(url) {
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// test hostname first, it's cheaper than evaluating a regex
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return pageHostname.slice(-this.hostname.length) === this.hostname &&
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return pageHostnameRegister.slice(-this.hostname.length) === this.hostname &&
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this.re.test(url);
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};
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@ -870,6 +876,186 @@ FilterRegexHostname.fromSelfie = function(s) {
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/******************************************************************************/
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/******************************************************************************/
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// Dictionary of hostnames
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var FilterHostnameDict = function() {
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this.h = ''; // short-lived register
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this.dict = {};
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this.count = 0;
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};
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// Somewhat arbitrary: I need to come up with hard data to know at which
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// point binary search is better than indexOf.
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//
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// http://jsperf.com/string-indexof-vs-binary-search
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// Tuning above performance benchmark, it appears 250 is roughly a good value
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// for both Chromium/Firefox.
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// Example of benchmark values: '------30', '-----100', etc. -- the
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// needle string must always be 8-character long.
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FilterHostnameDict.prototype.cutoff = 250;
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// Probably not needed under normal circumstances.
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FilterHostnameDict.prototype.meltBucket = function(len, bucket) {
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var map = {};
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if ( bucket.charAt(0) === ' ' ) {
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bucket.trim().split(' ').map(function(k) {
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map[k] = true;
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});
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} else {
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var offset = 0;
|
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while ( offset < bucket.length ) {
|
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map[bucket.substring(offset, len)] = true;
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offset += len;
|
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}
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}
|
||||
return map;
|
||||
};
|
||||
|
||||
// How the key is derived dictates the number and size of buckets.
|
||||
//
|
||||
// A hash key capable of better spread while being as fast would be
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// just great.
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FilterHostnameDict.prototype.makeKey = function(hn) {
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var len = hn.length;
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if ( len > 255 ) {
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len = 255;
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}
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var i8 = len >>> 3;
|
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var i4 = len >>> 2;
|
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var i2 = len >>> 1;
|
||||
|
||||
// http://jsperf.com/makekey-concat-vs-join/3
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||||
|
||||
// Be sure the msb is not set, this will guarantee a valid unicode
|
||||
// character (because 0xD800-0xDFFF).
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return String.fromCharCode(
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(hn.charCodeAt( i8) & 0x01) << 14 |
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// (hn.charCodeAt( i4 ) & 0x01) << 13 |
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(hn.charCodeAt( i4+i8) & 0x01) << 12 |
|
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(hn.charCodeAt(i2 ) & 0x01) << 11 |
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(hn.charCodeAt(i2 +i8) & 0x01) << 10 |
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// (hn.charCodeAt(i2+i4 ) & 0x01) << 9 |
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||||
(hn.charCodeAt(i2+i4+i8) & 0x01) << 8 ,
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||||
len
|
||||
);
|
||||
};
|
||||
|
||||
FilterHostnameDict.prototype.add = function(hn) {
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||||
var key = this.makeKey(hn);
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||||
var bucket = this.dict[key];
|
||||
if ( bucket === undefined ) {
|
||||
bucket = this.dict[key] = {};
|
||||
bucket[hn] = true;
|
||||
this.count += 1;
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||||
return true;
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||||
}
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||||
if ( typeof bucket === 'string' ) {
|
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bucket = this.dict[key] = this.meltBucket(hn.len, bucket);
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||||
}
|
||||
if ( bucket[hn] === undefined ) {
|
||||
bucket[hn] = true;
|
||||
this.count += 1;
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
};
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||||
FilterHostnameDict.prototype.freeze = function() {
|
||||
var buckets = this.dict;
|
||||
var bucket, hostnames, len;
|
||||
for ( var key in buckets ) {
|
||||
bucket = buckets[key];
|
||||
if ( typeof bucket !== 'object' ) {
|
||||
continue;
|
||||
}
|
||||
hostnames = Object.keys(bucket);
|
||||
len = hostnames[0].length * hostnames.length;
|
||||
if ( hostnames[0].length * hostnames.length < this.cutoff ) {
|
||||
buckets[key] = ' ' + hostnames.join(' ') + ' ';
|
||||
} else {
|
||||
buckets[key] = hostnames.sort().join('');
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
FilterHostnameDict.prototype.matchesExactly = function(hn) {
|
||||
// TODO: Handle IP address
|
||||
|
||||
var key = this.makeKey(hn);
|
||||
var bucket = this.dict[key];
|
||||
if ( bucket === undefined ) {
|
||||
return false;
|
||||
}
|
||||
if ( typeof bucket === 'object' ) {
|
||||
return bucket.hasOwnProperty(hn) !== undefined;
|
||||
}
|
||||
if ( bucket.charAt(0) === ' ' ) {
|
||||
return bucket.indexOf(' ' + hn + ' ') !== -1;
|
||||
}
|
||||
// binary search
|
||||
var len = hn.length;
|
||||
var left = 0;
|
||||
// http://jsperf.com/or-vs-floor/17
|
||||
var right = (bucket.length / len + 0.5) | 0;
|
||||
var i, needle;
|
||||
while ( left < right ) {
|
||||
i = left + right >> 1;
|
||||
needle = bucket.substr( len * i, len );
|
||||
if ( hn < needle ) {
|
||||
right = i;
|
||||
} else if ( hn > needle ) {
|
||||
left = i + 1;
|
||||
} else {
|
||||
return true;
|
||||
}
|
||||
}
|
||||
return false;
|
||||
};
|
||||
|
||||
FilterHostnameDict.prototype.match = function(hn) {
|
||||
// TODO: mind IP addresses
|
||||
|
||||
var pos,
|
||||
hostname = requestHostnameRegister;
|
||||
while ( this.matchesExactly(hostname) === false ) {
|
||||
pos = hostname.indexOf('.');
|
||||
if ( pos === -1 ) {
|
||||
this.h = '';
|
||||
return false;
|
||||
}
|
||||
hostname = hostname.slice(pos + 1);
|
||||
}
|
||||
this.h = '||' + hostname + '^';
|
||||
return this;
|
||||
};
|
||||
|
||||
FilterHostnameDict.prototype.fid = '{h}';
|
||||
|
||||
FilterHostnameDict.prototype.toString = function() {
|
||||
return this.h;
|
||||
};
|
||||
|
||||
FilterHostnameDict.prototype.toSelfie = function() {
|
||||
return JSON.stringify({
|
||||
count: this.count,
|
||||
dict: this.dict
|
||||
});
|
||||
};
|
||||
|
||||
FilterHostnameDict.fromSelfie = function(s) {
|
||||
var f = new FilterHostnameDict();
|
||||
var o = JSON.parse(s);
|
||||
f.count = o.count;
|
||||
f.dict = o.dict;
|
||||
return f;
|
||||
};
|
||||
|
||||
/******************************************************************************/
|
||||
/******************************************************************************/
|
||||
|
||||
// Some buckets can grow quite large, and finding a hit in these buckets
|
||||
// may end up being expensive. After considering various solutions, the one
|
||||
// retained is to promote hit filters to a smaller index, so that next time
|
||||
@ -1380,8 +1566,6 @@ var TokenEntry = function() {
|
||||
var FilterContainer = function() {
|
||||
this.reAnyToken = /[%0-9a-z]+/g;
|
||||
this.tokens = [];
|
||||
this.blockedAnyPartyHostnames = new µb.LiquidDict();
|
||||
this.blocked3rdPartyHostnames = new µb.LiquidDict();
|
||||
this.filterParser = new FilterParser();
|
||||
this.reset();
|
||||
};
|
||||
@ -1400,8 +1584,6 @@ FilterContainer.prototype.reset = function() {
|
||||
this.duplicateCount = 0;
|
||||
this.categories = Object.create(null);
|
||||
this.duplicates = Object.create(null);
|
||||
this.blockedAnyPartyHostnames.reset();
|
||||
this.blocked3rdPartyHostnames.reset();
|
||||
this.filterParser.reset();
|
||||
};
|
||||
|
||||
@ -1409,8 +1591,14 @@ FilterContainer.prototype.reset = function() {
|
||||
|
||||
FilterContainer.prototype.freeze = function() {
|
||||
histogram('allFilters', this.categories);
|
||||
this.blockedAnyPartyHostnames.freeze();
|
||||
this.blocked3rdPartyHostnames.freeze();
|
||||
var categories = this.categories;
|
||||
var bucket;
|
||||
for ( var k in categories ) {
|
||||
bucket = categories[k]['.'];
|
||||
if ( bucket !== undefined ) {
|
||||
bucket.freeze();
|
||||
}
|
||||
}
|
||||
this.duplicates = Object.create(null);
|
||||
this.filterParser.reset();
|
||||
this.frozen = true;
|
||||
@ -1461,9 +1649,7 @@ FilterContainer.prototype.toSelfie = function() {
|
||||
allowFilterCount: this.allowFilterCount,
|
||||
blockFilterCount: this.blockFilterCount,
|
||||
duplicateCount: this.duplicateCount,
|
||||
categories: categoriesToSelfie(this.categories),
|
||||
blockedAnyPartyHostnames: this.blockedAnyPartyHostnames.toSelfie(),
|
||||
blocked3rdPartyHostnames: this.blocked3rdPartyHostnames.toSelfie()
|
||||
categories: categoriesToSelfie(this.categories)
|
||||
};
|
||||
};
|
||||
|
||||
@ -1477,8 +1663,6 @@ FilterContainer.prototype.fromSelfie = function(selfie) {
|
||||
this.allowFilterCount = selfie.allowFilterCount;
|
||||
this.blockFilterCount = selfie.blockFilterCount;
|
||||
this.duplicateCount = selfie.duplicateCount;
|
||||
this.blockedAnyPartyHostnames.fromSelfie(selfie.blockedAnyPartyHostnames);
|
||||
this.blocked3rdPartyHostnames.fromSelfie(selfie.blocked3rdPartyHostnames);
|
||||
|
||||
var factories = {
|
||||
'[]': FilterBucket,
|
||||
@ -1504,7 +1688,8 @@ FilterContainer.prototype.fromSelfie = function(selfie) {
|
||||
'*+': FilterManyWildcards,
|
||||
'*+h': FilterManyWildcardsHostname,
|
||||
'//': FilterRegex,
|
||||
'//h': FilterRegexHostname
|
||||
'//h': FilterRegexHostname,
|
||||
'{h}': FilterHostnameDict
|
||||
};
|
||||
|
||||
var catKey, tokenKey;
|
||||
@ -1586,23 +1771,10 @@ FilterContainer.prototype.add = function(raw) {
|
||||
this.acceptedCount += 1;
|
||||
|
||||
// Pure hostnames, use more efficient liquid dict
|
||||
if ( parsed.hostnamePure && parsed.action === BlockAction ) {
|
||||
if ( parsed.fopts === '' ) {
|
||||
if ( this.blockedAnyPartyHostnames.add(parsed.f) ) {
|
||||
this.blockFilterCount++;
|
||||
} else {
|
||||
this.duplicateCount++;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
if ( parsed.fopts === 'third-party' ) {
|
||||
if ( this.blocked3rdPartyHostnames.add(parsed.f) ) {
|
||||
this.blockFilterCount++;
|
||||
} else {
|
||||
this.duplicateCount++;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
// https://github.com/gorhill/uBlock/issues/665
|
||||
// Create a dict keyed on request type etc.
|
||||
if ( parsed.hostnamePure && this.addHostnameOnlyFilter(parsed) ) {
|
||||
return true;
|
||||
}
|
||||
|
||||
if ( this.duplicates[s] ) {
|
||||
@ -1629,6 +1801,51 @@ FilterContainer.prototype.add = function(raw) {
|
||||
|
||||
/******************************************************************************/
|
||||
|
||||
// Using fast/compact dictionary when filter is a (or portion of) pure hostname.
|
||||
|
||||
FilterContainer.prototype.addHostnameOnlyFilter = function(parsed) {
|
||||
// Can't fit the filter in a pure hostname dictionary.
|
||||
if ( parsed.hostnames.length !== 0 || parsed.notHostnames.length !== 0 ) {
|
||||
return false;
|
||||
}
|
||||
|
||||
var party = AnyParty;
|
||||
if ( parsed.firstParty !== parsed.thirdParty ) {
|
||||
party = parsed.firstParty ? FirstParty : ThirdParty;
|
||||
}
|
||||
var keyShard = parsed.action | parsed.important | party;
|
||||
var key, bucket;
|
||||
var type = parsed.types >>> 1 || 1; // bit 0 is unused; also, default to AnyType
|
||||
var bitOffset = 1;
|
||||
while ( type !== 0 ) {
|
||||
if ( type & 1 ) {
|
||||
key = this.makeCategoryKey(keyShard | (bitOffset << 4));
|
||||
bucket = this.categories[key];
|
||||
if ( bucket === undefined ) {
|
||||
bucket = this.categories[key] = Object.create(null);
|
||||
}
|
||||
if ( bucket['.'] === undefined ) {
|
||||
bucket['.'] = new FilterHostnameDict();
|
||||
}
|
||||
if ( bucket['.'].add(parsed.f) ) {
|
||||
if ( parsed.action ) {
|
||||
this.allowFilterCount += 1;
|
||||
} else {
|
||||
this.blockFilterCount += 1;
|
||||
}
|
||||
} else {
|
||||
this.duplicateCount++;
|
||||
}
|
||||
}
|
||||
bitOffset += 1;
|
||||
type >>>= 1;
|
||||
}
|
||||
|
||||
return true;
|
||||
};
|
||||
|
||||
/******************************************************************************/
|
||||
|
||||
FilterContainer.prototype.addFilter = function(parsed) {
|
||||
parsed.makeToken();
|
||||
if ( parsed.token === '' ) {
|
||||
@ -1712,18 +1929,10 @@ FilterContainer.prototype.addFilter = function(parsed) {
|
||||
|
||||
FilterContainer.prototype.addFilterEntry = function(filter, parsed, party) {
|
||||
var bits = parsed.action | parsed.important | party;
|
||||
|
||||
// Any type
|
||||
if ( parsed.types === 0 ) {
|
||||
this.addToCategory(bits | AnyType, parsed.token, filter);
|
||||
return;
|
||||
}
|
||||
|
||||
// Specific type(s)
|
||||
var type = parsed.types >>> 2; // bit 0-1 are unused
|
||||
var bitOffset = 2;
|
||||
var type = parsed.types >>> 1 || 1; // bit 0 is unused; also, default to AnyType
|
||||
var bitOffset = 1;
|
||||
while ( type !== 0 ) {
|
||||
if ( type & 0x01 ) {
|
||||
if ( type & 1 ) {
|
||||
this.addToCategory(bits | (bitOffset << 4), parsed.token, filter);
|
||||
}
|
||||
bitOffset += 1;
|
||||
@ -1783,8 +1992,14 @@ FilterContainer.prototype.tokenize = function(url) {
|
||||
/******************************************************************************/
|
||||
|
||||
FilterContainer.prototype.matchTokens = function(bucket, url) {
|
||||
// Hostname-only filters
|
||||
var f = bucket['.'];
|
||||
if ( f !== undefined && f.match() !== false ) {
|
||||
return f;
|
||||
}
|
||||
|
||||
var tokens = this.tokens;
|
||||
var tokenEntry, token, f;
|
||||
var tokenEntry, token;
|
||||
var i = 0;
|
||||
for (;;) {
|
||||
tokenEntry = tokens[i++];
|
||||
@ -1809,50 +2024,6 @@ FilterContainer.prototype.matchTokens = function(bucket, url) {
|
||||
|
||||
/******************************************************************************/
|
||||
|
||||
// This is where we test filters which have the form:
|
||||
//
|
||||
// `||www.example.com^`
|
||||
//
|
||||
// Because LiquidDict is well optimized to deal with plain hostname, we gain
|
||||
// reusing it here for these sort of filters rather than using filters
|
||||
// specialized to deal with other complex filters.
|
||||
|
||||
FilterContainer.prototype.matchAnyPartyHostname = function(requestHostname) {
|
||||
var pos;
|
||||
while ( this.blockedAnyPartyHostnames.test(requestHostname) !== true ) {
|
||||
pos = requestHostname.indexOf('.');
|
||||
if ( pos === -1 ) {
|
||||
return false;
|
||||
}
|
||||
requestHostname = requestHostname.slice(pos + 1);
|
||||
}
|
||||
return '||' + requestHostname + '^';
|
||||
};
|
||||
|
||||
/******************************************************************************/
|
||||
|
||||
// This is where we test filters which have the form:
|
||||
//
|
||||
// `||www.example.com^$third-party`
|
||||
//
|
||||
// Because LiquidDict is well optimized to deal with plain hostname, we gain
|
||||
// reusing it here for these sort of filters rather than using filters
|
||||
// specialized to deal with other complex filters.
|
||||
|
||||
FilterContainer.prototype.match3rdPartyHostname = function(requestHostname) {
|
||||
var pos;
|
||||
while ( this.blocked3rdPartyHostnames.test(requestHostname) !== true ) {
|
||||
pos = requestHostname.indexOf('.');
|
||||
if ( pos === -1 ) {
|
||||
return false;
|
||||
}
|
||||
requestHostname = requestHostname.slice(pos + 1);
|
||||
}
|
||||
return '||' + requestHostname + '^$third-party';
|
||||
};
|
||||
|
||||
/******************************************************************************/
|
||||
|
||||
// Specialized handlers
|
||||
|
||||
// https://github.com/gorhill/uBlock/issues/116
|
||||
@ -1861,11 +2032,12 @@ FilterContainer.prototype.match3rdPartyHostname = function(requestHostname) {
|
||||
|
||||
FilterContainer.prototype.matchStringExactType = function(context, requestURL, requestType) {
|
||||
var url = requestURL.toLowerCase();
|
||||
var requestHostname = µb.URI.hostnameFromURI(requestURL);
|
||||
var party = isFirstParty(context.pageDomain, requestHostname) ? FirstParty : ThirdParty;
|
||||
|
||||
// This will be used by hostname-based filters
|
||||
pageHostname = context.pageHostname || '';
|
||||
// These registers will be used by various filters
|
||||
pageHostnameRegister = context.pageHostname || '';
|
||||
requestHostnameRegister = µb.URI.hostnameFromURI(requestURL);
|
||||
|
||||
var party = isFirstParty(context.pageDomain, requestHostnameRegister) ? FirstParty : ThirdParty;
|
||||
|
||||
// Be prepared to support unknown types
|
||||
var type = typeNameToTypeValue[requestType] || typeOtherValue;
|
||||
@ -1960,73 +2132,68 @@ FilterContainer.prototype.matchString = function(context) {
|
||||
// filters are tested *only* if there is a (unlikely) hit on a block
|
||||
// filter.
|
||||
|
||||
var requestHostname = context.requestHostname;
|
||||
var party = isFirstParty(context.pageDomain, requestHostname) ? FirstParty : ThirdParty;
|
||||
|
||||
// This will be used by hostname-based filters
|
||||
pageHostname = context.pageHostname || '';
|
||||
// These registers will be used by various filters
|
||||
pageHostnameRegister = context.pageHostname || '';
|
||||
requestHostnameRegister = context.requestHostname;
|
||||
|
||||
var categories = this.categories;
|
||||
var bf, bucket;
|
||||
var party = isFirstParty(context.pageDomain, context.requestHostname) ? FirstParty : ThirdParty;
|
||||
var filterClasses = this.categories;
|
||||
var bucket;
|
||||
|
||||
// Tokenize only once
|
||||
this.tokenize(url);
|
||||
|
||||
var bf = false;
|
||||
|
||||
// https://github.com/gorhill/uBlock/issues/139
|
||||
// Test against important block filters.
|
||||
// The purpose of the `important` option is to reverse the order of
|
||||
// evaluation. Normally, it is "evaluate block then evaluate allow", with
|
||||
// the `important` property it is "evaluate allow then evaluate block".
|
||||
if ( bucket = categories[this.makeCategoryKey(BlockAnyTypeAnyParty | Important)] ) {
|
||||
if ( bucket = filterClasses[this.makeCategoryKey(BlockAnyTypeAnyParty | Important)] ) {
|
||||
bf = this.matchTokens(bucket, url);
|
||||
if ( bf !== false ) {
|
||||
return 'sb:' + bf.toString() + '$important';
|
||||
}
|
||||
}
|
||||
if ( bucket = categories[this.makeCategoryKey(BlockAnyType | Important | party)] ) {
|
||||
if ( bucket = filterClasses[this.makeCategoryKey(BlockAnyType | Important | party)] ) {
|
||||
bf = this.matchTokens(bucket, url);
|
||||
if ( bf !== false ) {
|
||||
return 'sb:' + bf.toString() + '$important';
|
||||
}
|
||||
}
|
||||
if ( bucket = categories[this.makeCategoryKey(BlockAnyParty | Important | type)] ) {
|
||||
if ( bucket = filterClasses[this.makeCategoryKey(BlockAnyParty | Important | type)] ) {
|
||||
bf = this.matchTokens(bucket, url);
|
||||
if ( bf !== false ) {
|
||||
return 'sb:' + bf.toString() + '$important';
|
||||
}
|
||||
}
|
||||
if ( bucket = categories[this.makeCategoryKey(BlockAction | Important | type | party)] ) {
|
||||
if ( bucket = filterClasses[this.makeCategoryKey(BlockAction | Important | type | party)] ) {
|
||||
bf = this.matchTokens(bucket, url);
|
||||
if ( bf !== false ) {
|
||||
return 'sb:' + bf.toString() + '$important';
|
||||
}
|
||||
}
|
||||
|
||||
// Test hostname-based block filters
|
||||
bf = this.matchAnyPartyHostname(requestHostname);
|
||||
if ( bf === false && party === ThirdParty ) {
|
||||
bf = this.match3rdPartyHostname(requestHostname);
|
||||
}
|
||||
|
||||
// Test against block filters
|
||||
if ( bf === false ) {
|
||||
if ( bucket = categories[this.makeCategoryKey(BlockAnyTypeAnyParty)] ) {
|
||||
if ( bucket = filterClasses[this.makeCategoryKey(BlockAnyTypeAnyParty)] ) {
|
||||
bf = this.matchTokens(bucket, url);
|
||||
}
|
||||
}
|
||||
if ( bf === false ) {
|
||||
if ( bucket = categories[this.makeCategoryKey(BlockAnyType | party)] ) {
|
||||
if ( bucket = filterClasses[this.makeCategoryKey(BlockAnyType | party)] ) {
|
||||
bf = this.matchTokens(bucket, url);
|
||||
}
|
||||
}
|
||||
if ( bf === false ) {
|
||||
if ( bucket = categories[this.makeCategoryKey(BlockAnyParty | type)] ) {
|
||||
if ( bucket = filterClasses[this.makeCategoryKey(BlockAnyParty | type)] ) {
|
||||
bf = this.matchTokens(bucket, url);
|
||||
}
|
||||
}
|
||||
if ( bf === false ) {
|
||||
if ( bucket = categories[this.makeCategoryKey(BlockAction | type | party)] ) {
|
||||
if ( bucket = filterClasses[this.makeCategoryKey(BlockAction | type | party)] ) {
|
||||
bf = this.matchTokens(bucket, url);
|
||||
}
|
||||
}
|
||||
@ -2038,25 +2205,26 @@ FilterContainer.prototype.matchString = function(context) {
|
||||
|
||||
// Test against allow filters
|
||||
var af;
|
||||
if ( bucket = categories[this.makeCategoryKey(AllowAnyTypeAnyParty)] ) {
|
||||
|
||||
if ( bucket = filterClasses[this.makeCategoryKey(AllowAnyTypeAnyParty)] ) {
|
||||
af = this.matchTokens(bucket, url);
|
||||
if ( af !== false ) {
|
||||
return 'sa:' + af.toString();
|
||||
}
|
||||
}
|
||||
if ( bucket = categories[this.makeCategoryKey(AllowAnyType | party)] ) {
|
||||
if ( bucket = filterClasses[this.makeCategoryKey(AllowAnyType | party)] ) {
|
||||
af = this.matchTokens(bucket, url);
|
||||
if ( af !== false ) {
|
||||
return 'sa:' + af.toString();
|
||||
}
|
||||
}
|
||||
if ( bucket = categories[this.makeCategoryKey(AllowAnyParty | type)] ) {
|
||||
if ( bucket = filterClasses[this.makeCategoryKey(AllowAnyParty | type)] ) {
|
||||
af = this.matchTokens(bucket, url);
|
||||
if ( af !== false ) {
|
||||
return 'sa:' + af.toString();
|
||||
}
|
||||
}
|
||||
if ( bucket = categories[this.makeCategoryKey(AllowAction | type | party)] ) {
|
||||
if ( bucket = filterClasses[this.makeCategoryKey(AllowAction | type | party)] ) {
|
||||
af = this.matchTokens(bucket, url);
|
||||
if ( af !== false ) {
|
||||
return 'sa:' + af.toString();
|
||||
|
||||
Loading…
Reference in New Issue
Block a user