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/* -*- js-indent-level: 2; indent-tabs-mode: nil -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
var EXPORTED_SYMBOLS = ["OsEnvironment"];
const { XPCOMUtils } = ChromeUtils.importESModule(
);
const { AppConstants } = ChromeUtils.import(
);
const lazy = {};
XPCOMUtils.defineLazyModuleGetters(lazy, {
WindowsVersionInfo:
});
let OsEnvironment = {
/**
* This is a policy object used to override behavior for testing.
*/
Policy: {
getAllowedAppSources: () =>
lazy.WindowsRegistry.readRegKey(
Ci.nsIWindowsRegKey.ROOT_KEY_LOCAL_MACHINE,
"SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Explorer",
"AicEnabled"
),
windowsVersionHasAppSourcesFeature: () => {
let windowsVersion = parseFloat(Services.sysinfo.getProperty("version"));
if (isNaN(windowsVersion)) {
throw new Error("Unable to parse Windows version");
}
if (windowsVersion < 10) {
return false;
}
// The App Sources feature was added in Windows 10, build 15063.
const { buildNumber } = lazy.WindowsVersionInfo.get();
return buildNumber >= 15063;
},
},
reportAllowedAppSources() {
if (AppConstants.platform != "win") {
// This is currently a windows-only feature.
return;
}
const appSourceScalar = "os.environment.allowed_app_sources";
let haveAppSourcesFeature;
try {
haveAppSourcesFeature = OsEnvironment.Policy.windowsVersionHasAppSourcesFeature();
} catch (ex) {
Cu.reportError(ex);
Services.telemetry.scalarSet(appSourceScalar, "Error");
return;
}
if (!haveAppSourcesFeature) {
Services.telemetry.scalarSet(appSourceScalar, "NoSuchFeature");
return;
}
let allowedAppSources;
try {
allowedAppSources = OsEnvironment.Policy.getAllowedAppSources();
} catch (ex) {
Cu.reportError(ex);
Services.telemetry.scalarSet(appSourceScalar, "Error");
return;
}
if (allowedAppSources === undefined) {
// A return value of undefined means that the registry value didn't
// exist. Windows treats a missing registry entry the same as if the
// value is "Anywhere". Make sure to differentiate a missing registry
// entry from one containing an empty string, since it is unclear how
// Windows would treat such a setting, but it may not be the same as
// if the value is missing.
allowedAppSources = "Anywhere";
}
const expectedValues = [
"Anywhere",
"Recommendations",
"PreferStore",
"StoreOnly",
];
if (!expectedValues.includes(allowedAppSources)) {
allowedAppSources = "Error";
}
Services.telemetry.scalarSet(appSourceScalar, allowedAppSources);
},
};