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"use strict";
const server = createHttpServer({ hosts: ["example.com"] });
server.registerPathHandler("/dummy", (request, response) => {
response.setStatusLine(request.httpVersion, 200, "OK");
response.setHeader("Content-Type", "text/html", false);
response.write("<!DOCTYPE html><html></html>");
});
server.registerPathHandler("/script.js", (request, response) => {
ok(false, "Unexpected request to /script.js");
});
/* eslint-disable no-eval, no-implied-eval */
const MODULE1 = `
import {foo} from "./module2.js";
export let bar = foo;
let count = 0;
export function counter () { return count++; }
`;
const MODULE2 = `export let foo = 2;`;
add_task(async function test_disallowed_import() {
let extension = ExtensionTestUtils.loadExtension({
manifest: {
content_scripts: [
{
matches: ["http://example.com/dummy"],
js: ["main.js"],
},
],
},
files: {
"main.js": async function () {
let disallowedURLs = [
"data:text/javascript,void 0",
"javascript:void 0",
"http://example.com/script.js",
URL.createObjectURL(
new Blob(["void 0", { type: "text/javascript" }])
),
];
for (let url of disallowedURLs) {
await browser.test.assertRejects(
import(url),
/error loading dynamically imported module/,
`should reject import("${url}")`
);
}
browser.test.sendMessage("done");
},
},
});
await extension.startup();
let contentPage = await ExtensionTestUtils.loadContentPage(
"http://example.com/dummy"
);
await extension.awaitMessage("done");
await extension.unload();
await contentPage.close();
});
add_task(async function test_normal_import() {
Services.prefs.setBoolPref("extensions.content_web_accessible.enabled", true);
let extension = ExtensionTestUtils.loadExtension({
manifest: {
content_scripts: [
{
matches: ["http://example.com/dummy"],
js: ["main.js"],
},
],
},
files: {
"main.js": async function () {
/* global exportFunction */
const url = browser.runtime.getURL("module1.js");
await browser.test.assertRejects(
import(url),
/error loading dynamically imported module/,
"Cannot import script that is not web-accessible from page context"
);
await browser.test.assertRejects(
window.eval(`import("${url}")`),
/error loading dynamically imported module/,
"Cannot import script that is not web-accessible from page context"
);
let promise = new Promise((resolve, reject) => {
exportFunction(resolve, window, { defineAs: "resolve" });
exportFunction(reject, window, { defineAs: "reject" });
});
window.setTimeout(`import("${url}").then(resolve, reject)`, 0);
await browser.test.assertRejects(
promise,
/error loading dynamically imported module/,
"Cannot import script that is not web-accessible from page context"
);
browser.test.sendMessage("done");
},
"module1.js": MODULE1,
"module2.js": MODULE2,
},
});
await extension.startup();
let contentPage = await ExtensionTestUtils.loadContentPage(
"http://example.com/dummy"
);
await extension.awaitMessage("done");
// Web page can not import non-web-accessible files.
await contentPage.spawn([extension.uuid], async uuid => {
let files = ["main.js", "module1.js", "module2.js"];
for (let file of files) {
let url = `moz-extension://${uuid}/${file}`;
await Assert.rejects(
content.eval(`import("${url}")`),
/error loading dynamically imported module/,
"Cannot import script that is not web-accessible"
);
}
});
await extension.unload();
await contentPage.close();
});
add_task(async function test_import_web_accessible() {
let extension = ExtensionTestUtils.loadExtension({
manifest: {
content_scripts: [
{
matches: ["http://example.com/dummy"],
js: ["main.js"],
},
],
web_accessible_resources: ["module1.js", "module2.js"],
},
files: {
"main.js": async function () {
let mod = await import(browser.runtime.getURL("module1.js"));
browser.test.assertEq(mod.bar, 2);
browser.test.assertEq(mod.counter(), 0);
browser.test.sendMessage("done");
},
"module1.js": MODULE1,
"module2.js": MODULE2,
},
});
await extension.startup();
let contentPage = await ExtensionTestUtils.loadContentPage(
"http://example.com/dummy"
);
await extension.awaitMessage("done");
// Web page can import web-accessible files,
// even after WebExtension imported the same files.
await contentPage.spawn([extension.uuid], async uuid => {
let base = `moz-extension://${uuid}`;
await Assert.rejects(
content.eval(`import("${base}/main.js")`),
/error loading dynamically imported module/,
"Cannot import script that is not web-accessible"
);
let promise = content.eval(`import("${base}/module1.js")`);
let mod = (await promise.wrappedJSObject).wrappedJSObject;
Assert.equal(mod.bar, 2, "exported value should match");
Assert.equal(mod.counter(), 0, "Counter should be fresh");
Assert.equal(mod.counter(), 1, "Counter should be fresh");
promise = content.eval(`import("${base}/module2.js")`);
mod = (await promise.wrappedJSObject).wrappedJSObject;
Assert.equal(mod.foo, 2, "exported value should match");
});
await extension.unload();
await contentPage.close();
});
add_task(async function test_import_web_accessible_after_page() {
let extension = ExtensionTestUtils.loadExtension({
manifest: {
content_scripts: [
{
matches: ["http://example.com/dummy"],
js: ["main.js"],
},
],
web_accessible_resources: ["module1.js", "module2.js"],
},
files: {
"main.js": async function () {
browser.test.onMessage.addListener(async msg => {
browser.test.assertEq(msg, "import");
const url = browser.runtime.getURL("module1.js");
let mod = await import(url);
browser.test.assertEq(mod.bar, 2);
browser.test.assertEq(mod.counter(), 0, "Counter should be fresh");
let promise = window.eval(`import("${url}")`);
let mod2 = (await promise.wrappedJSObject).wrappedJSObject;
browser.test.assertEq(
mod2.counter(),
2,
"Counter should have been incremented by page"
);
browser.test.sendMessage("done");
});
browser.test.sendMessage("ready");
},
"module1.js": MODULE1,
"module2.js": MODULE2,
},
});
await extension.startup();
let contentPage = await ExtensionTestUtils.loadContentPage(
"http://example.com/dummy"
);
await extension.awaitMessage("ready");
// The web page imports the web-accessible files first,
// when the WebExtension imports the same file, they should
// not be shared.
await contentPage.spawn([extension.uuid], async uuid => {
let base = `moz-extension://${uuid}`;
await Assert.rejects(
content.eval(`import("${base}/main.js")`),
/error loading dynamically imported module/,
"Cannot import script that is not web-accessible"
);
let promise = content.eval(`import("${base}/module1.js")`);
let mod = (await promise.wrappedJSObject).wrappedJSObject;
Assert.equal(mod.bar, 2, "exported value should match");
Assert.equal(mod.counter(), 0);
Assert.equal(mod.counter(), 1);
promise = content.eval(`import("${base}/module2.js")`);
mod = (await promise.wrappedJSObject).wrappedJSObject;
Assert.equal(mod.foo, 2, "exported value should match");
});
extension.sendMessage("import");
await extension.awaitMessage("done");
await extension.unload();
await contentPage.close();
});
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