70 lines
1.8 KiB
JavaScript
70 lines
1.8 KiB
JavaScript
// See https://bugzilla.mozilla.org/show_bug.cgi?id=1273251
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const {NetUtil} = ChromeUtils.importESModule("resource://gre/modules/NetUtil.sys.mjs");
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const {TestUtils} = ChromeUtils.importESModule("resource://testing-common/TestUtils.sys.mjs");
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function getWindowlessBrowser(url) {
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let ssm = Services.scriptSecurityManager;
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let uri = NetUtil.newURI(url);
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let principal = ssm.createContentPrincipal(uri, {});
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let webnav = Services.appShell.createWindowlessBrowser(false);
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let docShell = webnav.docShell;
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docShell.createAboutBlankDocumentViewer(principal, principal);
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return webnav;
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}
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function StubPolicy(id) {
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return new WebExtensionPolicy({
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id,
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mozExtensionHostname: id,
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baseURL: `file:///{id}`,
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allowedOrigins: new MatchPatternSet([]),
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localizeCallback(string) {},
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});
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}
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add_task(async function() {
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let policy = StubPolicy("foo");
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policy.active = true;
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let webnavA = getWindowlessBrowser("moz-extension://foo/a.html");
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let webnavB = getWindowlessBrowser("moz-extension://foo/b.html");
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let winA = Cu.waiveXrays(webnavA.document.defaultView);
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let winB = Cu.waiveXrays(webnavB.document.defaultView);
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winB.winA = winA;
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winB.eval(`winA.thing = {foo: "bar"};`);
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let getThing = winA.eval(String(() => {
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try {
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return thing.foo;
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} catch (e) {
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return String(e);
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}
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}));
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// Check that the object can be accessed normally before windowB is closed.
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equal(getThing(), "bar");
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webnavB.close();
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// Wrappers are nuked asynchronously, so wait for that to happen.
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await TestUtils.topicObserved("inner-window-nuked");
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// Check that it can't be accessed after he window has been closed.
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let result = getThing();
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ok(/dead object/.test(result),
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`Result should show a dead wrapper error: ${result}`);
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webnavA.close();
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policy.active = false;
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});
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