mirror of
https://github.com/gorhill/uBlock.git
synced 2024-11-10 09:07:54 +01:00
73 lines
2.6 KiB
JavaScript
73 lines
2.6 KiB
JavaScript
/*******************************************************************************
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uBlock Origin - a browser extension to block requests.
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Copyright (C) 2017 Raymond Hill
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see {http://www.gnu.org/licenses/}.
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Home: https://github.com/gorhill/uBlock
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*/
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// For background page
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'use strict';
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/******************************************************************************/
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(function() {
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let µb = µBlock;
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let migratedKeys = new Set();
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let migrateAll = function(callback) {
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let migrateKeyValue = function(details, callback) {
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// https://github.com/gorhill/uBlock/issues/2653
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// Be ready to deal graciously with corrupted DB.
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if ( migratedKeys.has(details.key) ) {
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callback();
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return;
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}
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migratedKeys.add(details.key);
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let bin = {};
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bin[details.key] = JSON.parse(details.value);
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self.browser.storage.local.set(bin, callback);
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};
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let migrateNext = function() {
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self.browser.runtime.sendMessage({ what: 'webext:storageMigrateNext' }, response => {
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if ( response.key === undefined ) {
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if ( migratedKeys.size !== 0 ) {
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self.browser.runtime.reload();
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} else {
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callback();
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}
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return;
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}
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migrateKeyValue(response, migrateNext);
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});
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};
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self.browser.storage.local.get('legacyStorageMigrated', bin => {
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if ( bin && bin.legacyStorageMigrated ) {
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self.browser.runtime.sendMessage({ what: 'webext:storageMigrateDone' });
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return callback();
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}
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self.browser.storage.local.set({ legacyStorageMigrated: true });
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migrateNext();
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});
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};
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µb.onBeforeStartQueue.push(migrateAll);
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})();
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/******************************************************************************/
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