diff options
Diffstat (limited to 'toolkit/components/extensions/test/xpcshell/test_ext_contentscript_context_isolation.js')
-rw-r--r-- | toolkit/components/extensions/test/xpcshell/test_ext_contentscript_context_isolation.js | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/toolkit/components/extensions/test/xpcshell/test_ext_contentscript_context_isolation.js b/toolkit/components/extensions/test/xpcshell/test_ext_contentscript_context_isolation.js new file mode 100644 index 0000000000..7794a66d57 --- /dev/null +++ b/toolkit/components/extensions/test/xpcshell/test_ext_contentscript_context_isolation.js @@ -0,0 +1,168 @@ +"use strict"; + +/* globals exportFunction */ +/* eslint-disable mozilla/balanced-listeners */ + +const server = createHttpServer({ hosts: ["example.com", "example.org"] }); + +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("/bfcachetestpage", (request, response) => { + response.setStatusLine(request.httpVersion, 200, "OK"); + response.setHeader("Content-Type", "text/html;charset=utf-8", false); + response.write(`<!DOCTYPE html> +<script> + window.addEventListener("pageshow", (event) => { + event.stopImmediatePropagation(); + if (window.browserTestSendMessage) { + browserTestSendMessage("content-script-show"); + } + }); + window.addEventListener("pagehide", (event) => { + event.stopImmediatePropagation(); + if (window.browserTestSendMessage) { + if (event.persisted) { + browserTestSendMessage("content-script-hide"); + } else { + browserTestSendMessage("content-script-unload"); + } + } + }, true); +</script>`); +}); + +add_task(async function test_contentscript_context_isolation() { + function contentScript() { + browser.test.sendMessage("content-script-ready"); + + exportFunction(browser.test.sendMessage, window, { + defineAs: "browserTestSendMessage", + }); + + window.addEventListener("pageshow", () => { + browser.test.fail( + "pageshow should have been suppressed by stopImmediatePropagation" + ); + }); + window.addEventListener( + "pagehide", + () => { + browser.test.fail( + "pagehide should have been suppressed by stopImmediatePropagation" + ); + }, + true + ); + } + + let extension = ExtensionTestUtils.loadExtension({ + manifest: { + content_scripts: [ + { + matches: ["http://example.com/bfcachetestpage"], + js: ["content_script.js"], + }, + ], + }, + + files: { + "content_script.js": contentScript, + }, + }); + + let contentPage = await ExtensionTestUtils.loadContentPage( + "http://example.com/bfcachetestpage" + ); + await extension.startup(); + await extension.awaitMessage("content-script-ready"); + + // Get the content script context and check that it points to the correct window. + await contentPage.legacySpawn(extension.id, async extensionId => { + const { ExtensionContent } = ChromeUtils.importESModule( + "resource://gre/modules/ExtensionContent.sys.mjs" + ); + this.context = ExtensionContent.getContextByExtensionId( + extensionId, + this.content + ); + + Assert.ok(this.context, "Got content script context"); + + Assert.equal( + this.context.contentWindow, + this.content, + "Context's contentWindow property is correct" + ); + + // Navigate so that the content page is hidden in the bfcache. + + this.content.location = "http://example.org/dummy?noscripthere1"; + }); + + await extension.awaitMessage("content-script-hide"); + + await contentPage.legacySpawn(null, async () => { + Assert.equal( + this.context.contentWindow, + null, + "Context's contentWindow property is null" + ); + Assert.ok(this.context.sandbox, "Context's sandbox exists"); + + // Navigate back so the content page is resurrected from the bfcache. + this.content.history.back(); + }); + + await extension.awaitMessage("content-script-show"); + + async function testWithoutBfcache() { + return contentPage.legacySpawn(null, async () => { + Assert.equal( + this.context.contentWindow, + this.content, + "Context's contentWindow property is correct" + ); + Assert.ok(this.context.sandbox, "Context's sandbox exists before unload"); + + let contextUnloadedPromise = new Promise(resolve => { + this.context.callOnClose({ close: resolve }); + }); + + // Now add an "unload" event listener, which should prevent a page from entering the bfcache. + await new Promise(resolve => { + this.content.addEventListener("unload", () => { + Assert.equal( + this.context.contentWindow, + this.content, + "Context's contentWindow property should be non-null at unload" + ); + resolve(); + }); + this.content.location = "http://example.org/dummy?noscripthere2"; + }); + + await contextUnloadedPromise; + }); + } + await runWithPrefs( + [["docshell.shistory.bfcache.allow_unload_listeners", false]], + testWithoutBfcache + ); + + await extension.awaitMessage("content-script-unload"); + + await contentPage.legacySpawn(null, async () => { + Assert.equal( + this.context.sandbox, + null, + "Context's sandbox has been destroyed after unload" + ); + }); + + await contentPage.close(); + await extension.unload(); +}); |