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/*******************************************************************************
ηMatrix - a browser extension to black/white list requests.
Copyright (C) 2014-2019 The uMatrix/uBlock Origin authors
Copyright (C) 2019 Alessio Vanni
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://libregit.org/heckyel/ematrix
uMatrix Home: https://github.com/gorhill/uMatrix
*/
'use strict';
/******************************************************************************/
(function () {
vAPI.cloud = (function () {
let extensionBranchPath = 'extensions.' + location.host;
let cloudBranchPath = extensionBranchPath + '.cloudStorage';
// https://github.com/gorhill/uBlock/issues/80#issuecomment-132081658
// We must use get/setComplexValue in order to properly handle strings
// with unicode characters.
let iss = Ci.nsISupportsString;
let argstr = Components.classes['@mozilla.org/supports-string;1']
.createInstance(iss);
let options = {
defaultDeviceName: '',
deviceName: ''
};
// User-supplied device name.
try {
options.deviceName = Services.prefs
.getBranch(extensionBranchPath + '.')
.getComplexValue('deviceName', iss)
.data;
} catch(ex) {
// Ignore
}
var getDefaultDeviceName = function() {
var name = '';
try {
name = Services.prefs
.getBranch('services.sync.client.')
.getComplexValue('name', iss)
.data;
} catch(ex) {
// Ignore
}
return name || window.navigator.platform || window.navigator.oscpu;
};
let start = function (dataKeys) {
let extensionBranch =
Services.prefs.getBranch(extensionBranchPath + '.');
let syncBranch =
Services.prefs.getBranch('services.sync.prefs.sync.');
// Mark config entries as syncable
argstr.data = '';
let dataKey;
for (let i=0; i<dataKeys.length; ++i) {
dataKey = dataKeys[i];
if (extensionBranch.prefHasUserValue('cloudStorage.' + dataKey)
=== false) {
extensionBranch.setComplexValue('cloudStorage.' + dataKey,
iss, argstr);
}
syncBranch.setBoolPref(cloudBranchPath + '.' + dataKey, true);
}
};
let push = function (datakey, data, callback) {
let branch = Services.prefs.getBranch(cloudBranchPath + '.');
let bin = {
'source': options.deviceName || getDefaultDeviceName(),
'tstamp': Date.now(),
'data': data,
'size': 0
};
bin.size = JSON.stringify(bin).length;
argstr.data = JSON.stringify(bin);
branch.setComplexValue(datakey, iss, argstr);
if (typeof callback === 'function') {
callback();
}
};
let pull = function (datakey, callback) {
let result = null;
let branch = Services.prefs.getBranch(cloudBranchPath + '.');
try {
let json = branch.getComplexValue(datakey, iss).data;
if (typeof json === 'string') {
result = JSON.parse(json);
}
} catch(ex) {
// Ignore
}
callback(result);
};
let getOptions = function (callback) {
if (typeof callback !== 'function') {
return;
}
options.defaultDeviceName = getDefaultDeviceName();
callback(options);
};
let setOptions = function (details, callback) {
if (typeof details !== 'object' || details === null) {
return;
}
let branch = Services.prefs.getBranch(extensionBranchPath + '.');
if (typeof details.deviceName === 'string') {
argstr.data = details.deviceName;
branch.setComplexValue('deviceName', iss, argstr);
options.deviceName = details.deviceName;
}
getOptions(callback);
};
return {
start: start,
push: push,
pull: pull,
getOptions: getOptions,
setOptions: setOptions
};
})();
})();
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