mirror of
https://github.com/gorhill/uBlock.git
synced 2024-09-14 23:12:28 +02:00
this fixes the other half of #58: from which list(s) a cosmetic filter originates
This commit is contained in:
gorhill
parent
daef0bd8c8
commit
9a5404ef07
@ -189,7 +189,7 @@ body:not(.popupOn) #content tr.canMtx td:nth-of-type(2) {
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body:not(.popupOn) #content tr.canMtx td:nth-of-type(2):hover {
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background: #ccc;
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}
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#content tr.cat_net[data-filter] td:nth-of-type(3) {
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#content tr.canLookup td:nth-of-type(3) {
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cursor: zoom-in;
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}
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#content tr.cat_net td:nth-of-type(4),
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@ -117,7 +117,7 @@ var FilterPlainMore = function(s) {
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};
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FilterPlainMore.prototype.retrieve = function(s, out) {
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if ( s === this.s.slice(0, s.length) ) {
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if ( this.s.lastIndexOf(s, 0) === 0 ) {
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out.push(this.s);
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}
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};
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@ -44,7 +44,18 @@ var details = {};
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(function() {
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var onReponseReady = function(response) {
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var lists = response.matches;
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if ( typeof response !== 'object' ) {
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return;
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}
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var lists;
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for ( var rawFilter in response ) {
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if ( response.hasOwnProperty(rawFilter) === false ) {
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continue;
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}
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lists = response[rawFilter];
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break;
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}
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if ( Array.isArray(lists) === false || lists.length === 0 ) {
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return;
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}
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@ -72,8 +83,9 @@ var details = {};
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};
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messager.send({
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what: 'reverseLookupFilter',
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filter: details.fc
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what: 'listsFromNetFilter',
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compiledFilter: details.fc,
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rawFilter: details.fs
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}, onReponseReady);
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})();
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@ -389,10 +389,7 @@ var createHiddenTextNode = function(text) {
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var createGap = function(tabId, url) {
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var tr = createRow('1');
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tr.classList.add('tab');
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tr.classList.add('canMtx');
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tr.classList.add('tab_' + tabId);
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tr.classList.add('maindoc');
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tr.classList.add('tab', 'canMtx', 'tab_' + tabId, 'maindoc');
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tr.cells[firstVarDataCol].textContent = url;
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tbody.insertBefore(tr, tbody.firstChild);
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};
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@ -400,12 +397,13 @@ var createGap = function(tabId, url) {
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/******************************************************************************/
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var renderNetLogEntry = function(tr, entry) {
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var trcl = tr.classList;
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var filter = entry.d0;
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var type = entry.d1;
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var url = entry.d2;
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var td;
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tr.classList.add('canMtx');
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trcl.add('canMtx');
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// If the request is that of a root frame, insert a gap in the table
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// in order to visually separate entries for different documents.
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@ -423,7 +421,7 @@ var renderNetLogEntry = function(tr, entry) {
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var filterCat = filter.slice(0, 3);
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if ( filterCat.charAt(2) === ':' ) {
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tr.classList.add(filterCat.slice(0, 2));
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trcl.add(filterCat.slice(0, 2));
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}
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var filteringType = filterCat.charAt(0);
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@ -432,7 +430,11 @@ var renderNetLogEntry = function(tr, entry) {
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filter = filter.slice(3);
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if ( filteringType === 's' ) {
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td.textContent = filterDecompiler.toString(filter);
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trcl.add('canLookup');
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tr.setAttribute('data-filter', filter);
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} else if ( filteringType === 'c' ) {
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td.textContent = filter;
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trcl.add('canLookup');
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} else {
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td.textContent = filter;
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}
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@ -441,13 +443,13 @@ var renderNetLogEntry = function(tr, entry) {
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td = tr.cells[3];
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var filteringOp = filterCat.charAt(1);
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if ( filteringOp === 'b' ) {
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tr.classList.add('blocked');
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trcl.add('blocked');
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td.textContent = '--';
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} else if ( filteringOp === 'a' ) {
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tr.classList.add('allowed');
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trcl.add('allowed');
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td.textContent = '++';
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} else if ( filteringOp === 'n' ) {
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tr.classList.add('nooped');
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trcl.add('nooped');
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td.textContent = '**';
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} else {
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td.textContent = '';
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@ -1262,7 +1264,6 @@ var netFilteringManager = (function() {
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/******************************************************************************/
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var reverseLookupManager = (function() {
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var rawFilter = '';
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var reSentence1 = /\{\{filter\}\}/g;
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var sentence1Template = vAPI.i18n('loggerStaticFilteringFinderSentence1');
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@ -1284,16 +1285,12 @@ var reverseLookupManager = (function() {
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ev.stopPropagation();
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};
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var reverseLookupDone = function(response) {
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var lists = response.matches;
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if ( Array.isArray(lists) === false ) {
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return;
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var nodeFromFilter = function(filter, lists) {
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if ( Array.isArray(lists) === false || lists.length === 0 ) {
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return null;
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}
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var dialog = filterFinderDialog.querySelector('.dialog');
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var p = dialog.querySelector('p');
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removeAllChildren(p);
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var node;
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var p = document.createElement('p');
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reSentence1.lastIndex = 0;
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var matches = reSentence1.exec(sentence1Template);
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@ -1302,13 +1299,12 @@ var reverseLookupManager = (function() {
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} else {
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node = uDom.nodeFromSelector('#filterFinderDialogSentence1 > span').cloneNode(true);
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node.childNodes[0].textContent = sentence1Template.slice(0, matches.index);
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node.childNodes[1].textContent = rawFilter;
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node.childNodes[1].textContent = filter;
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node.childNodes[2].textContent = sentence1Template.slice(reSentence1.lastIndex);
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}
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p.appendChild(node);
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var ul = dialog.querySelector('ul');
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removeAllChildren(ul);
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var ul = document.createElement('ul');
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var list, li;
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for ( var i = 0; i < lists.length; i++ ) {
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list = lists[i];
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@ -1324,6 +1320,26 @@ var reverseLookupManager = (function() {
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li.appendChild(node);
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ul.appendChild(li);
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}
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p.appendChild(ul);
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return p;
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};
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var reverseLookupDone = function(response) {
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if ( typeof response !== 'object' ) {
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return;
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}
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var dialog = filterFinderDialog.querySelector('.dialog');
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removeAllChildren(dialog);
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for ( var filter in response ) {
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var p = nodeFromFilter(filter, response[filter]);
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if ( p === null ) {
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continue;
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}
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dialog.appendChild(p);
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}
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document.body.appendChild(filterFinderDialog);
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filterFinderDialog.addEventListener('click', onClick, true);
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@ -1331,15 +1347,24 @@ var reverseLookupManager = (function() {
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var toggleOn = function(ev) {
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var row = ev.target.parentElement;
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var filter = row.getAttribute('data-filter') || '';
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if ( filter === '' ) {
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var rawFilter = row.cells[2].textContent;
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if ( rawFilter === '' ) {
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return;
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}
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rawFilter = row.cells[2].textContent;
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messager.send({
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what: 'reverseLookupFilter',
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filter: filter
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}, reverseLookupDone);
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if ( row.classList.contains('cat_net') ) {
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messager.send({
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what: 'listsFromNetFilter',
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compiledFilter: row.getAttribute('data-filter') || '',
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rawFilter: rawFilter
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}, reverseLookupDone);
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} else if ( row.classList.contains('cat_cosmetic') ) {
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messager.send({
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what: 'listsFromCosmeticFilter',
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hostname: row.getAttribute('data-hn-frame') || '',
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rawFilter: rawFilter,
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}, reverseLookupDone);
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}
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};
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var toggleOff = function() {
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@ -1656,7 +1681,7 @@ uDom.onLoad(function() {
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uDom('#maxEntries').on('change', onMaxEntriesChanged);
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uDom('#content table').on('click', 'tr.canMtx > td:nth-of-type(2)', popupManager.toggleOn);
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uDom('#content').on('click', 'tr.cat_net > td:nth-of-type(4)', netFilteringManager.toggleOn);
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uDom('#content').on('click', 'tr[data-filter] > td:nth-of-type(3)', reverseLookupManager.toggleOn);
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uDom('#content').on('click', 'tr.canLookup > td:nth-of-type(3)', reverseLookupManager.toggleOn);
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});
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/******************************************************************************/
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@ -66,8 +66,20 @@ var onMessage = function(request, sender, callback) {
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µb.reloadAllFilters(callback);
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return;
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case 'reverseLookupFilter':
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µb.staticFilteringReverseLookup.lookup(request.filter, callback);
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case 'listsFromNetFilter':
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µb.staticFilteringReverseLookup.fromNetFilter(
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request.compiledFilter,
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request.rawFilter,
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callback
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);
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return;
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case 'listsFromCosmeticFilter':
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µb.staticFilteringReverseLookup.fromCosmeticFilter(
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request.hostname,
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request.rawFilter,
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callback
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);
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return;
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default:
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@ -1351,7 +1363,9 @@ var logCosmeticFilters = function(tabId, details) {
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'cosmetic',
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'cb:##' + selectors[i],
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'dom',
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details.pageURL
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details.frameURL,
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null,
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details.frameHostname
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);
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}
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};
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@ -29,35 +29,164 @@ var listEntries = Object.create(null);
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/******************************************************************************/
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var lookup = function(details) {
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var matches = [];
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// Helpers
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var rescape = function(s) {
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return s.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
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};
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/******************************************************************************/
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var fromNetFilter = function(details) {
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var lists = [];
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var entry, pos;
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for ( var path in listEntries ) {
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entry = listEntries[path];
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if ( entry === undefined ) {
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continue;
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}
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pos = entry.content.indexOf(details.filter);
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pos = entry.content.indexOf(details.compiledFilter);
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if ( pos === -1 ) {
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continue;
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}
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matches.push({
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lists.push({
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title: entry.title,
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supportURL: entry.supportURL
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});
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}
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var response = {};
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response[details.rawFilter] = lists;
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postMessage({
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id: details.id,
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response: {
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filter: details.filter,
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matches: matches
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}
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response: response
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});
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};
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/******************************************************************************/
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// Looking up filter lists from a cosmetic filter is a bit more complicated
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// than with network filters:
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//
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// The filter is its raw representation, not its compiled version. This is
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// because the cosmetic filtering engine can't translate a live cosmetic
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// filter into its compiled version. Reason is I do not want to burden
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// cosmetic filtering with the resource overhead of being able to re-compile
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// live cosmetic filters. I want the cosmetic filtering code to be left
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// completely unaffected by reverse lookup requirements.
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//
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// Mainly, given a CSS selector and a hostname as context, we will derive
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// various versions of compiled filters and see if there are matches. This way
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// the whole CPU cost is incurred by the reverse lookup code -- in a worker
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// thread, and the cosmetic filtering engine incurred zero cost.
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//
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// For this though, the reverse lookup code here needs some knowledge of
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// the inners of the cosmetic filtering engine.
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// FilterContainer.fromCompiledContent() is our reference code to create
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// the various compiled versions.
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var fromCosmeticFilter = function(details) {
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var filter = details.rawFilter;
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var exception = filter.lastIndexOf('#@#', 0) === 0;
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filter = exception ? filter.slice(3) : filter.slice(2);
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var candidates = Object.create(null);
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var response = Object.create(null);
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// First step: assuming the filter is generic, find out its compiled
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// representation.
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// Reference: FilterContainer.compileGenericSelector().
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var reStr = '';
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var matches = rePlainSelector.exec(filter);
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if ( matches ) {
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if ( matches[0] === filter ) { // simple CSS selector
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reStr = rescape('c\vlg\v') + '\\w+' + rescape('\v' + filter);
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} else { // complex CSS selector
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reStr = rescape('c\vlg+\v') + '\\w+' + rescape('\v' + filter);
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}
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} else if ( reHighLow.test(filter) ) { // [alt] or [title]
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reStr = rescape('c\vhlg0\v' + filter) + '(?:\\n|$)';
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} else if ( reHighMedium.test(filter) ) { // [href^="..."]
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reStr = rescape('c\vhmg0\v') + '\\w+' + rescape('\v' + filter);
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} else { // all else
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reStr = rescape('c\vhhg0\v' + filter);
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}
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candidates[details.rawFilter] = new RegExp(reStr + '(?:\\n|$)');
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var pos;
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var domain = details.domain;
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var hostname = details.hostname;
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if ( hostname !== '' ) {
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for ( ;; ) {
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candidates[hostname + '##' + filter] = new RegExp(
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rescape('c\vh\v') +
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'\\w+' +
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rescape('\v' + hostname + '\v' + filter) +
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'(?:\\n|$)'
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);
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// If there is no valid domain, there won't be any other
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// version of this hostname-based filter.
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if ( domain === '' ) {
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break;
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}
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if ( hostname === domain ) {
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break;
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}
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pos = hostname.indexOf('.');
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if ( pos === -1 ) {
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break;
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}
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hostname = hostname.slice(pos + 1);
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}
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}
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// Entity-based
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pos = domain.indexOf('.');
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if ( pos !== -1 ) {
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var entity = domain.slice(0, pos);
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candidates[entity + '.*##' + filter] = new RegExp(
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rescape('c\ve\v' + entity + '\v' + filter) +
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'(?:\\n|$)'
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);
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}
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var re, path, entry;
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for ( var candidate in candidates ) {
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re = candidates[candidate];
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for ( path in listEntries ) {
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entry = listEntries[path];
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if ( entry === undefined ) {
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continue;
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}
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if ( re.test(entry.content) === false ) {
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continue;
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}
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if ( response[candidate] === undefined ) {
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response[candidate] = [];
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}
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response[candidate].push({
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title: entry.title,
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supportURL: entry.supportURL
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});
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}
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}
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postMessage({
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id: details.id,
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response: response
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});
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};
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var rePlainSelector = /^([#.][\w-]+)/;
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var reHighLow = /^[a-z]*\[(?:alt|title)="[^"]+"\]$/;
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var reHighMedium = /^\[href\^="https?:\/\/([^"]{8})[^"]*"\]$/;
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/******************************************************************************/
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onmessage = function(e) {
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var msg = e.data;
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@ -70,8 +199,12 @@ onmessage = function(e) {
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listEntries[msg.details.path] = msg.details;
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break;
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case 'reverseLookup':
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lookup(msg);
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case 'fromNetFilter':
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fromNetFilter(msg);
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break;
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case 'fromCosmeticFilter':
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fromCosmeticFilter(msg);
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break;
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}
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};
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@ -123,11 +123,16 @@ var initWorker = function(callback) {
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/******************************************************************************/
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var lookup = function(compiledFilter, callback) {
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var fromNetFilter = function(compiledFilter, rawFilter, callback) {
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if ( typeof callback !== 'function' ) {
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return;
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}
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if ( compiledFilter === '' || rawFilter === '' ) {
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callback();
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return;
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}
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if ( workerTTLTimer !== null ) {
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clearTimeout(workerTTLTimer);
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workerTTLTimer = null;
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@ -136,9 +141,46 @@ var lookup = function(compiledFilter, callback) {
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var onWorkerReady = function() {
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var id = messageId++;
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var message = {
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what: 'reverseLookup',
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what: 'fromNetFilter',
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id: id,
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filter: compiledFilter
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compiledFilter: compiledFilter,
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rawFilter: rawFilter
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};
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pendingResponses[id] = callback;
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worker.postMessage(message);
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// The worker will be shutdown after n minutes without being used.
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workerTTLTimer = vAPI.setTimeout(stopWorker, workerTTL);
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};
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initWorker(onWorkerReady);
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};
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/******************************************************************************/
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||||
|
||||
var fromCosmeticFilter = function(hostname, rawFilter, callback) {
|
||||
if ( typeof callback !== 'function' ) {
|
||||
return;
|
||||
}
|
||||
|
||||
if ( rawFilter === '' ) {
|
||||
callback();
|
||||
return;
|
||||
}
|
||||
|
||||
if ( workerTTLTimer !== null ) {
|
||||
clearTimeout(workerTTLTimer);
|
||||
workerTTLTimer = null;
|
||||
}
|
||||
|
||||
var onWorkerReady = function() {
|
||||
var id = messageId++;
|
||||
var message = {
|
||||
what: 'fromCosmeticFilter',
|
||||
id: id,
|
||||
domain: µBlock.URI.domainFromHostname(hostname),
|
||||
hostname: hostname,
|
||||
rawFilter: rawFilter
|
||||
};
|
||||
pendingResponses[id] = callback;
|
||||
worker.postMessage(message);
|
||||
@ -165,7 +207,8 @@ var resetLists = function() {
|
||||
/******************************************************************************/
|
||||
|
||||
return {
|
||||
lookup: lookup,
|
||||
fromNetFilter: fromNetFilter,
|
||||
fromCosmeticFilter: fromCosmeticFilter,
|
||||
resetLists: resetLists,
|
||||
shutdown: stopWorker
|
||||
};
|
||||
|
||||
@ -83,7 +83,8 @@ var localMessager = vAPI.messaging.channel('scriptlets');
|
||||
|
||||
localMessager.send({
|
||||
what: 'logCosmeticFilteringData',
|
||||
pageURL: window.location.href,
|
||||
frameURL: window.location.href,
|
||||
frameHostname: window.location.hostname,
|
||||
matchedSelectors: matchedSelectors
|
||||
}, function() {
|
||||
localMessager.close();
|
||||
|
||||
@ -80,10 +80,7 @@
|
||||
</div>
|
||||
</div>
|
||||
<div id="filterFinderDialog" class="modalDialog">
|
||||
<div class="dialog">
|
||||
<p></p>
|
||||
<ul></ul>
|
||||
</div>
|
||||
<div class="dialog"></div>
|
||||
</div>
|
||||
<div id="filterFinderDialogSentence1"><span><span></span><code></code><span></span></span></div>
|
||||
</div>
|
||||
|
||||
Loading…
Reference in New Issue
Block a user