work on auto-update, backup/restore/reset
gorhill
10 years ago
parent
b94047f9f7
commit
a39bd536b5
@ -1,224 +0,0 @@
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/*******************************************************************************
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µMatrix - a Chromium browser extension to black/white list requests.
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Copyright (C) 2013 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/uMatrix
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*/
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/* global chrome, µMatrix */
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/******************************************************************************/
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// Asset update manager
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µMatrix.assetUpdater = (function() {
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/******************************************************************************/
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var getUpdateList = function(callback) {
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var localChecksumsText = '';
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var remoteChecksumsText = '';
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var compareChecksums = function() {
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var parseChecksumsText = function(text) {
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var result = {};
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var lines = text.split(/\n+/);
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var i = lines.length;
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var fields;
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while ( i-- ) {
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fields = lines[i].trim().split(/\s+/);
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if ( fields.length !== 2 ) {
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continue;
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}
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result[fields[1]] = fields[0];
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}
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return result;
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};
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if ( remoteChecksumsText === 'Error' || localChecksumsText === 'Error' ) {
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remoteChecksumsText = localChecksumsText = '';
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}
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var localAssetChecksums = parseChecksumsText(localChecksumsText);
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var remoteAssetChecksums = parseChecksumsText(remoteChecksumsText);
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var toUpdate = {};
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var path;
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for ( path in remoteAssetChecksums ) {
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if ( !remoteAssetChecksums.hasOwnProperty(path) ) {
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continue;
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}
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if ( localAssetChecksums[path] === undefined ) {
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toUpdate[path] = {
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status: 'Added',
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remoteChecksum: remoteAssetChecksums[path],
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localChecksum: ''
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};
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continue;
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}
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if ( localAssetChecksums[path] === remoteAssetChecksums[path] ) {
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toUpdate[path] = {
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status: 'Unchanged',
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remoteChecksum: remoteAssetChecksums[path],
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localChecksum: localAssetChecksums[path]
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};
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continue;
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}
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toUpdate[path] = {
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status: 'Changed',
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remoteChecksum: remoteAssetChecksums[path],
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localChecksum: localAssetChecksums[path]
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};
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}
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for ( path in localAssetChecksums ) {
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if ( !localAssetChecksums.hasOwnProperty(path) ) {
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continue;
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}
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if ( remoteAssetChecksums[path] === undefined ) {
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toUpdate[path] = {
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status: 'Removed',
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remoteChecksum: '',
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localChecksum: localAssetChecksums[path]
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};
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}
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}
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callback({ 'list': toUpdate });
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};
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var validateChecksums = function(details) {
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if ( details.error || details.content === '' ) {
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return 'Error';
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}
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if ( /^(?:[0-9a-f]{32}\s+\S+(\s+|$))+/.test(details.content) ) {
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return details.content;
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}
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return 'Error';
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};
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var onLocalChecksumsLoaded = function(details) {
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localChecksumsText = validateChecksums(details);
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if ( remoteChecksumsText !== '' ) {
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compareChecksums();
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}
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};
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var onRemoteChecksumsLoaded = function(details) {
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remoteChecksumsText = validateChecksums(details);
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if ( localChecksumsText !== '' ) {
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compareChecksums();
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}
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};
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µMatrix.assets.getRemote('assets/checksums.txt', onRemoteChecksumsLoaded);
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µMatrix.assets.get('assets/checksums.txt', onLocalChecksumsLoaded);
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};
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/******************************************************************************/
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// If `list` is null, it will be fetched internally.
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var update = function(list, callback) {
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var assetChangedCount = 0;
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var assetProcessedCount;
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var updatedAssetChecksums = [];
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var onCompleted = function() {
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var details = {
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what: 'allLocalAssetsUpdated',
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changedCount: assetChangedCount
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};
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callback(details);
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µMatrix.messaging.announce(details);
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};
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var doCountdown = function() {
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assetProcessedCount -= 1;
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if ( assetProcessedCount > 0 ) {
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return;
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}
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µMatrix.assets.put(
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'assets/checksums.txt',
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updatedAssetChecksums.join('\n'),
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onCompleted
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);
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chrome.storage.local.set({ 'assetsUpdateTimestamp': Date.now() });
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};
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var assetUpdated = function(details) {
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var path = details.path;
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var entry = list[path];
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if ( details.error ) {
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updatedAssetChecksums.push(entry.localChecksum + ' ' + path);
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} else {
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updatedAssetChecksums.push(entry.remoteChecksum + ' ' + path);
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assetChangedCount += 1;
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}
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doCountdown();
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};
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var processList = function() {
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assetProcessedCount = Object.keys(list).length;
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if ( assetProcessedCount === 0 ) {
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onCompleted();
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return;
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}
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var entry;
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var details = { path: '', md5: '' };
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for ( var path in list ) {
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if ( list.hasOwnProperty(path) === false ) {
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continue;
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}
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entry = list[path];
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if ( entry.status === 'Added' || entry.status === 'Changed' ) {
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details.path = path;
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details.md5 = entry.remoteChecksum;
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µMatrix.assets.update(details, assetUpdated);
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continue;
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}
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if ( entry.status === 'Unchanged' ) {
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updatedAssetChecksums.push(entry.localChecksum + ' ' + path);
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}
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doCountdown();
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}
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};
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var listLoaded = function(details) {
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list = details.list;
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processList();
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};
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if ( list ) {
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processList();
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} else {
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getUpdateList(listLoaded);
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}
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};
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/******************************************************************************/
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// Export API
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return {
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'getList': getUpdateList,
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'update': update
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};
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/******************************************************************************/
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})();
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/******************************************************************************/
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@ -0,0 +1,105 @@
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/*******************************************************************************
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µMatrix - a Chromium browser extension to black/white list 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/uMatrix
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*/
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/* global µMatrix */
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/******************************************************************************/
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// Automatic update of non-user assets
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// https://github.com/gorhill/httpswitchboard/issues/334
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µMatrix.updater = (function() {
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/******************************************************************************/
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var µm = µMatrix;
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var jobCallback = function() {
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// Simpler to fire restart here, and safe given how far this will happen
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// in the future.
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restart();
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// If auto-update is disabled, check again in a while.
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if ( µm.userSettings.autoUpdate !== true ) {
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return;
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}
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var onMetadataReady = function(metadata) {
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// Check PSL
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var mdEntry = metadata[µm.pslPath];
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if ( mdEntry.repoObsolete ) {
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µm.loadUpdatableAssets(true);
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return;
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}
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// Check used hosts files
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var hostsFiles = µm.liveHostsFiles;
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for ( var path in hostsFiles ) {
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if ( hostsFiles.hasOwnProperty(path) === false ) {
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continue;
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}
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if ( hostsFiles[path].off ) {
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continue;
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}
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if ( metadata.hasOwnProperty(path) === false ) {
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continue;
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}
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mdEntry = metadata[path];
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if ( mdEntry.cacheObsolete || mdEntry.repoObsolete ) {
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µm.loadUpdatableAssets(true);
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return;
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}
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}
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// console.log('updater.js > all is up to date');
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};
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µm.assets.metadata(onMetadataReady);
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};
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// https://www.youtube.com/watch?v=cIrGQD84F1g
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/******************************************************************************/
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var restart = function(after) {
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if ( after === undefined ) {
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after = µm.nextUpdateAfter;
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}
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µm.asyncJobs.add(
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'autoUpdateAssets',
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null,
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jobCallback,
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after,
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false
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);
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};
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/******************************************************************************/
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return {
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restart: restart
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};
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/******************************************************************************/
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})();
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/******************************************************************************/
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