forked from mirrors/gecko-dev
67 lines
1.7 KiB
JavaScript
67 lines
1.7 KiB
JavaScript
/* 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";
|
|
|
|
/* exported withSyncContext */
|
|
|
|
ChromeUtils.import("resource://gre/modules/Services.jsm", this);
|
|
ChromeUtils.import("resource://gre/modules/ExtensionCommon.jsm", this);
|
|
|
|
var {
|
|
BaseContext,
|
|
} = ExtensionCommon;
|
|
|
|
class Context extends BaseContext {
|
|
constructor(principal) {
|
|
super();
|
|
Object.defineProperty(this, "principal", {
|
|
value: principal,
|
|
configurable: true,
|
|
});
|
|
this.sandbox = Cu.Sandbox(principal, {wantXrays: false});
|
|
this.extension = {id: "test@web.extension"};
|
|
}
|
|
|
|
get cloneScope() {
|
|
return this.sandbox;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Call the given function with a newly-constructed context.
|
|
* Unload the context on the way out.
|
|
*
|
|
* @param {function} f the function to call
|
|
*/
|
|
async function withContext(f) {
|
|
const ssm = Services.scriptSecurityManager;
|
|
const PRINCIPAL1 = ssm.createCodebasePrincipalFromOrigin("http://www.example.org");
|
|
const context = new Context(PRINCIPAL1);
|
|
try {
|
|
await f(context);
|
|
} finally {
|
|
await context.unload();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Like withContext(), but also turn on the "storage.sync" pref for
|
|
* the duration of the function.
|
|
* Calls to this function can be replaced with calls to withContext
|
|
* once the pref becomes on by default.
|
|
*
|
|
* @param {function} f the function to call
|
|
*/
|
|
async function withSyncContext(f) {
|
|
const STORAGE_SYNC_PREF = "webextensions.storage.sync.enabled";
|
|
let prefs = Services.prefs;
|
|
|
|
try {
|
|
prefs.setBoolPref(STORAGE_SYNC_PREF, true);
|
|
await withContext(f);
|
|
} finally {
|
|
prefs.clearUserPref(STORAGE_SYNC_PREF);
|
|
}
|
|
}
|