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/* 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";
module.metadata = {
"stability": "experimental"
};
const { Cc, Ci, CC, Cu } = require('chrome');
const systemPrincipal = CC('@mozilla.org/systemprincipal;1', 'nsIPrincipal')();
const scriptLoader = Cc['@mozilla.org/moz/jssubscript-loader;1'].
getService(Ci.mozIJSSubScriptLoader);
const self = require('sdk/self');
const { getTabId } = require('../tabs/utils');
const { getInnerId } = require('../window/utils');
const { devtools } = Cu.import("resource://devtools/shared/Loader.jsm", {});
const { require: devtoolsRequire } = devtools;
const { addContentGlobal, removeContentGlobal } = devtoolsRequire("devtools/server/content-globals");
/**
* Make a new sandbox that inherits given `source`'s principals. Source can be
* URI string, DOMWindow or `null` for system principals.
*/
function sandbox(target, options) {
options = options || {};
options.metadata = options.metadata ? options.metadata : {};
options.metadata.addonID = options.metadata.addonID ?
options.metadata.addonID : self.id;
let sandbox = Cu.Sandbox(target || systemPrincipal, options);
Cu.setSandboxMetadata(sandbox, options.metadata);
let innerWindowID = options.metadata['inner-window-id']
if (innerWindowID) {
addContentGlobal({
global: sandbox,
'inner-window-id': innerWindowID
});
}
return sandbox;
}
exports.sandbox = sandbox;
/**
* Evaluates given `source` in a given `sandbox` and returns result.
*/
function evaluate(sandbox, code, uri, line, version) {
return Cu.evalInSandbox(code, sandbox, version || '1.8', uri || '', line || 1);
}
exports.evaluate = evaluate;
/**
* Evaluates code under the given `uri` in the given `sandbox`.
*
* @param {String} uri
* The URL pointing to the script to load.
* It must be a local chrome:, resource:, file: or data: URL.
*/
function load(sandbox, uri) {
if (uri.indexOf('data:') === 0) {
let source = uri.substr(uri.indexOf(',') + 1);
return evaluate(sandbox, decodeURIComponent(source), '1.8', uri, 0);
} else {
return scriptLoader.loadSubScript(uri, sandbox, 'UTF-8');
}
}
exports.load = load;
/**
* Forces the given `sandbox` to be freed immediately.
*/
exports.nuke = Cu.nukeSandbox
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