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gorhill 10 years ago
parent
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1583a3edc6
  1. 105
      src/js/updater.js

105
src/js/updater.js

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/*******************************************************************************
µMatrix - a Chromium browser extension to black/white list requests.
Copyright (C) 2014 Raymond Hill
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see {http://www.gnu.org/licenses/}.
Home: https://github.com/gorhill/uMatrix
*/
/* global µMatrix */
/******************************************************************************/
// Automatic update of non-user assets
// https://github.com/gorhill/httpswitchboard/issues/334
µMatrix.updater = (function() {
/******************************************************************************/
var µm = µMatrix;
var jobCallback = function() {
// Simpler to fire restart here, and safe given how far this will happen
// in the future.
restart();
// If auto-update is disabled, check again in a while.
if ( µm.userSettings.autoUpdate !== true ) {
return;
}
var onMetadataReady = function(metadata) {
// Check PSL
var mdEntry = metadata[µm.pslPath];
if ( mdEntry.repoObsolete ) {
µm.loadUpdatableAssets(true);
return;
}
// Check used hosts files
var hostsFiles = µm.liveHostsFiles;
for ( var path in hostsFiles ) {
if ( hostsFiles.hasOwnProperty(path) === false ) {
continue;
}
if ( hostsFiles[path].off ) {
continue;
}
if ( metadata.hasOwnProperty(path) === false ) {
continue;
}
mdEntry = metadata[path];
if ( mdEntry.cacheObsolete || mdEntry.repoObsolete ) {
µm.loadUpdatableAssets(true);
return;
}
}
// console.log('updater.js > all is up to date');
};
µm.assets.metadata(onMetadataReady);
};
// https://www.youtube.com/watch?v=cIrGQD84F1g
/******************************************************************************/
var restart = function(after) {
if ( after === undefined ) {
after = µm.nextUpdateAfter;
}
µm.asyncJobs.add(
'autoUpdateAssets',
null,
jobCallback,
after,
false
);
};
/******************************************************************************/
return {
restart: restart
};
/******************************************************************************/
})();
/******************************************************************************/
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