Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 160 insertions, 0 deletions

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();
+});