forked from mirrors/gecko-dev
25c94b46d8
Right now, a lot of test code relies on side-effects of SpecialPowers being loaded into frame script globals. In particular: - It forces permissive COWs from those scopes, which allows frame scripts to pass objects from those scopes to unprivileged content that they otherwise wouldn't. - It imports a bunch of helper modules and WebIDL globals which would otherwise not be available. Fortunately, this seems to only impact test code at this point. But there's a real down-the-road risk of it impacting shipping code, which ends up working in automation due to the side-effects of SpecialPowers, but failing in real world use. MozReview-Commit-ID: G27eSSOHymX --HG-- extra : rebase_source : 1702e63fed719fc92def2bdbbb8a7c53572432db extra : source : 41bedc526dd6ec6b7e8c7be1c832ac60c81d6263
102 lines
2.9 KiB
JavaScript
102 lines
2.9 KiB
JavaScript
"use strict";
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const { loadSubScript } = Cc["@mozilla.org/moz/jssubscript-loader;1"].
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getService(Ci.mozIJSSubScriptLoader);
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// Set up a dummy environment so that EventUtils works. We need to be careful to
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// pass a window object into each EventUtils method we call rather than having
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// it rely on the |window| global.
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let EventUtils = {};
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EventUtils.window = content;
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EventUtils.parent = EventUtils.window;
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EventUtils._EU_Ci = Ci;
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EventUtils._EU_Cc = Cc;
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EventUtils.navigator = content.navigator;
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EventUtils.KeyboardEvent = content.KeyboardEvent;
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loadSubScript("chrome://mochikit/content/tests/SimpleTest/EventUtils.js", EventUtils);
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dump("Frame script loaded.\n");
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var workers = {};
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this.call = function (name, args) {
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dump("Calling function with name " + name + ".\n");
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dump("args " + JSON.stringify(args) + "\n");
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return XPCNativeWrapper.unwrap(content)[name].apply(undefined, Cu.cloneInto(args, content));
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};
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this._eval = function (string) {
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dump("Evalling string.\n");
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return content.eval(string);
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};
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this.generateMouseClick = function (path) {
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dump("Generating mouse click.\n");
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let target = eval(path);
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EventUtils.synthesizeMouseAtCenter(target, {},
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target.ownerDocument.defaultView);
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};
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this.createWorker = function (url) {
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dump("Creating worker with url '" + url + "'.\n");
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return new Promise(function (resolve, reject) {
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let worker = new content.Worker(url);
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worker.addEventListener("message", function () {
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workers[url] = worker;
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resolve();
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}, {once: true});
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});
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};
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this.terminateWorker = function (url) {
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dump("Terminating worker with url '" + url + "'.\n");
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workers[url].terminate();
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delete workers[url];
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};
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this.postMessageToWorker = function (url, message) {
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dump("Posting message to worker with url '" + url + "'.\n");
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return new Promise(function (resolve) {
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let worker = workers[url];
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worker.postMessage(message);
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worker.addEventListener("message", function () {
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resolve();
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}, {once: true});
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});
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};
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addMessageListener("jsonrpc", function ({ data: { method, params, id } }) {
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method = this[method];
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Promise.resolve().then(function () {
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return method.apply(undefined, params);
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}).then(function (result) {
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sendAsyncMessage("jsonrpc", {
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result: result,
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error: null,
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id: id
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});
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}, function (error) {
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sendAsyncMessage("jsonrpc", {
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result: null,
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error: error.message.toString(),
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id: id
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});
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});
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});
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addMessageListener("test:postMessageToWorker", function (message) {
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dump("Posting message '" + message.data.message + "' to worker with url '" +
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message.data.url + "'.\n");
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let worker = workers[message.data.url];
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worker.postMessage(message.data.message);
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worker.addEventListener("message", function () {
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sendAsyncMessage("test:postMessageToWorker");
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}, {once: true});
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});
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