mirror of
https://github.com/gorhill/uBlock.git
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a91781a495
Related issue: - https://github.com/uBlockOrigin/uBlock-issues/issues/1861 The "exceptor" feature has been rewritten, with the following changes as a result: - The excepted filters cease to exist when closing the logger - It's now possible to temporary except network filters When toggling on/off a temporary exception, filter lists are now fully reloaded. This simplified managing temporary exceptions, and made it easy to implement temporary exception for network filters, but this also means there might be a perceptible delay when adding/removing temporary exceptions. At this point I consider this an acceptable side-effect just to bring the ability to easily create temporary exception for network filters, while this simplified the existing temporary exception code throughout.
85 lines
2.6 KiB
JavaScript
85 lines
2.6 KiB
JavaScript
/*******************************************************************************
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uBlock Origin - a browser extension to block requests.
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Copyright (C) 2015-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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'use strict';
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/******************************************************************************/
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let buffer = null;
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let lastReadTime = 0;
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let writePtr = 0;
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// After 30 seconds without being read, a buffer will be considered
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// unused, and thus removed from memory.
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const logBufferObsoleteAfter = 30 * 1000;
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const janitor = ( ) => {
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if ( buffer === null ) { return; }
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if ( lastReadTime >= (Date.now() - logBufferObsoleteAfter) ) {
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return vAPI.setTimeout(janitor, logBufferObsoleteAfter);
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}
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logger.enabled = false;
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buffer = null;
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writePtr = 0;
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logger.ownerId = undefined;
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vAPI.messaging.broadcast({ what: 'loggerDisabled' });
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};
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const boxEntry = function(details) {
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if ( details.tstamp === undefined ) {
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details.tstamp = Date.now();
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}
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return JSON.stringify(details);
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};
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const logger = {
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enabled: false,
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ownerId: undefined,
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writeOne: function(details) {
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if ( buffer === null ) { return; }
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const box = boxEntry(details);
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if ( writePtr === buffer.length ) {
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buffer.push(box);
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} else {
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buffer[writePtr] = box;
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}
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writePtr += 1;
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},
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readAll: function(ownerId) {
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this.ownerId = ownerId;
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if ( buffer === null ) {
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this.enabled = true;
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buffer = [];
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vAPI.setTimeout(janitor, logBufferObsoleteAfter);
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}
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const out = buffer.slice(0, writePtr);
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writePtr = 0;
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lastReadTime = Date.now();
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return out;
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},
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};
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/******************************************************************************/
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export default logger;
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/******************************************************************************/
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