From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- .../test_ext_adoption_with_private_field_xrays.js | 160 +++++++++++++++++++++ 1 file changed, 160 insertions(+) create mode 100644 toolkit/components/extensions/test/xpcshell/test_ext_adoption_with_private_field_xrays.js (limited to 'toolkit/components/extensions/test/xpcshell/test_ext_adoption_with_private_field_xrays.js') diff --git a/toolkit/components/extensions/test/xpcshell/test_ext_adoption_with_private_field_xrays.js b/toolkit/components/extensions/test/xpcshell/test_ext_adoption_with_private_field_xrays.js new file mode 100644 index 0000000000..2d8b02bcd9 --- /dev/null +++ b/toolkit/components/extensions/test/xpcshell/test_ext_adoption_with_private_field_xrays.js @@ -0,0 +1,160 @@ +"use strict"; + +// ExtensionContent.jsm needs to know when it's running from xpcshell, +// to use the right timeout for content scripts executed at document_idle. +ExtensionTestUtils.mockAppInfo(); +const server = createHttpServer(); +server.registerDirectory("/data/", do_get_file("data")); + +const BASE_URL = `http://localhost:${server.identity.primaryPort}/data`; + +add_task(async function test_contentscript_private_field_xrays() { + async function contentScript() { + let node = window.document.createElement("div"); + + class Base { + constructor(o) { + return o; + } + } + + class A extends Base { + #x = 5; + static gx(o) { + return o.#x; + } + static sx(o, v) { + o.#x = v; + } + } + + browser.test.log(A.toString()); + + // Stamp node with A's private field. + new A(node); + + browser.test.log("stamped"); + + browser.test.assertEq( + A.gx(node), + 5, + "We should be able to see our expando private field" + ); + browser.test.log("Read"); + browser.test.assertThrows( + () => A.gx(node.wrappedJSObject), + /can't access private field or method/, + "Underlying object should not have our private field" + ); + + browser.test.log("threw"); + window.frames[0].document.adoptNode(node); + browser.test.log("adopted"); + browser.test.assertEq( + A.gx(node), + 5, + "Adoption should not change expando private field" + ); + browser.test.log("read"); + browser.test.assertThrows( + () => A.gx(node.wrappedJSObject), + /can't access private field or method/, + "Adoption should really not change expandos private fields" + ); + browser.test.log("threw2"); + + // Repeat but now with an object that has a reference from the + // window it's being cloned into. + node = window.document.createElement("div"); + // Stamp node with A's private field. + new A(node); + A.sx(node, 6); + + browser.test.assertEq( + A.gx(node), + 6, + "We should be able to see our expando (2)" + ); + browser.test.assertThrows( + () => A.gx(node.wrappedJSObject), + /can't access private field or method/, + "Underlying object should not have exxpando. (2)" + ); + + window.frames[0].wrappedJSObject.incoming = node.wrappedJSObject; + window.frames[0].document.adoptNode(node); + + browser.test.assertEq( + A.gx(node), + 6, + "We should be able to see our expando (3)" + ); + browser.test.assertThrows( + () => A.gx(node.wrappedJSObject), + /can't access private field or method/, + "Underlying object should not have exxpando. (3)" + ); + + // Repeat once more, now with an expando that refers to the object itself + node = window.document.createElement("div"); + new A(node); + A.sx(node, node); + + browser.test.assertEq( + A.gx(node), + node, + "We should be able to see our self-referential expando (4)" + ); + browser.test.assertThrows( + () => A.gx(node.wrappedJSObject), + /can't access private field or method/, + "Underlying object should not have exxpando. (4)" + ); + + window.frames[0].document.adoptNode(node); + + browser.test.assertEq( + A.gx(node), + node, + "Adoption should not change our self-referential expando (4)" + ); + browser.test.assertThrows( + () => A.gx(node.wrappedJSObject), + /can't access private field or method/, + "Adoption should not change underlying object. (4)" + ); + + // And test what happens if we now set document.domain and cause + // wrapper remapping. + let doc = window.frames[0].document; + // eslint-disable-next-line no-self-assign + doc.domain = doc.domain; + + browser.test.notifyPass("privateFieldXRayAdoption"); + } + + let extension = ExtensionTestUtils.loadExtension({ + manifest: { + content_scripts: [ + { + matches: ["http://*/*/file_toplevel.html"], + js: ["content_script.js"], + }, + ], + }, + + files: { + "content_script.js": contentScript, + }, + }); + + await extension.startup(); + let contentPage = await ExtensionTestUtils.loadContentPage( + `${BASE_URL}/file_toplevel.html` + ); + + await extension.awaitFinish("privateFieldXRayAdoption"); + + await contentPage.close(); + await extension.unload(); +}); -- cgit v1.2.3