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// Copyright 2011 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/strings/stringprintf.h"
#include "chrome/browser/extensions/chrome_test_extension_loader.h"
#include "chrome/browser/extensions/extension_apitest.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/common/chrome_switches.h"
#include "content/public/test/browser_test.h"
#include "content/public/test/browser_test_utils.h"
#include "extensions/common/extension.h"
#include "extensions/test/result_catcher.h"
#include "extensions/test/test_extension_dir.h"
#include "net/dns/mock_host_resolver.h"
#if !BUILDFLAG(IS_ANDROID)
#include "chrome/browser/ui/browser.h"
#include "chrome/test/base/ui_test_utils.h"
#endif
namespace extensions {
using ExtensionCspApiTest = ExtensionApiTest;
IN_PROC_BROWSER_TEST_F(ExtensionCspApiTest, ContentSecurityPolicy) {
ASSERT_TRUE(StartEmbeddedTestServer());
ASSERT_TRUE(RunExtensionTest("content_security_policy")) << message_;
}
IN_PROC_BROWSER_TEST_F(ExtensionCspApiTest, DefaultContentSecurityPolicy) {
ASSERT_TRUE(StartEmbeddedTestServer());
ASSERT_TRUE(RunExtensionTest("default_content_security_policy")) <<
message_;
}
// Tests that the Manifest V3 extension CSP allows localhost sources to be
// embedded in extension pages.
IN_PROC_BROWSER_TEST_F(ExtensionCspApiTest,
ManifestV3AllowsLocalhostInPagesForUnpackedExtensions) {
ASSERT_TRUE(StartEmbeddedTestServer());
static constexpr char kManifest[] =
R"({
"name": "manifest v3 allows localhost and 127.0.0.1",
"version": "0.1",
"manifest_version": 3,
"content_security_policy": {
"extension_pages":
"script-src 'self' http://localhost:* http://127.0.0.1:*;"
}
})";
static constexpr char kPageHtmlTemplate[] =
R"(<html>
<script src="http://localhost:%d/extensions/local_includes/pass1.js">
</script>
<script src="http://127.0.0.1:%d/extensions/local_includes/pass2.js">
</script>
<script src="page.js"></script>
</html>)";
// Note that `jsPass1()` and `jsPass2()` are defined in the pass1.js and
// pass2.js resources that are included; they each call chrome.test.succeed().
static constexpr char kPageJs[] =
R"(chrome.test.runTests([
function testLocalHostInclude() {
window.jsPass1();
},
function testLocalHostIPInclude() {
window.jsPass2();
}]);)";
TestExtensionDir test_dir;
test_dir.WriteManifest(kManifest);
test_dir.WriteFile(FILE_PATH_LITERAL("page.js"), kPageJs);
test_dir.WriteFile(
FILE_PATH_LITERAL("page.html"),
base::StringPrintf(kPageHtmlTemplate, embedded_test_server()->port(),
embedded_test_server()->port()));
ASSERT_TRUE(RunExtensionTest(test_dir.UnpackedPath(),
{.extension_url = "page.html"}, {}))
<< message_;
}
// Tests that the Manifest V3 extension CSP allows for localhost sources being
// imported from service workers.
IN_PROC_BROWSER_TEST_F(
ExtensionCspApiTest,
ManifestV3AllowsLocalhostInServiceWorkersForUnpackedExtensions) {
ASSERT_TRUE(StartEmbeddedTestServer());
static constexpr char kManifest[] =
R"({
"name": "manifest v3 allows localhost and 127.0.0.1",
"version": "0.1",
"manifest_version": 3,
"content_security_policy": {
"extension_pages":
"script-src 'self' http://localhost:* http://127.0.0.1:*; object-src 'self'"
},
"background": {"service_worker": "background.js", "type": "module"}
})";
static constexpr char kBackgroundJs[] =
R"(import {jsPass1} from
'http://localhost:%d/extensions/local_includes/module_pass1.js';
import {jsPass2} from
'http://localhost:%d/extensions/local_includes/module_pass2.js';
chrome.test.runTests([
function testLocalHostInclude() {
jsPass1();
},
function testLocalHostIPInclude() {
jsPass2();
}]);)";
TestExtensionDir test_dir;
test_dir.WriteManifest(kManifest);
test_dir.WriteFile(
FILE_PATH_LITERAL("background.js"),
base::StringPrintf(kBackgroundJs, embedded_test_server()->port(),
embedded_test_server()->port()));
ASSERT_TRUE(RunExtensionTest(test_dir.UnpackedPath(), {}, {})) << message_;
}
#if !BUILDFLAG(IS_ANDROID)
// Tests that MV3 disallows localhost in packed extensions.
// TODO(https://crbug.com/391924202): Enable on Android once packed extensions
// are supported.
IN_PROC_BROWSER_TEST_F(ExtensionCspApiTest,
ManifestV3DisallowsLocalhostForPackedExtensions) {
ASSERT_TRUE(StartEmbeddedTestServer());
static constexpr char kManifest[] =
R"({
"name": "manifest v3 allows localhost and 127.0.0.1",
"version": "0.1",
"manifest_version": 3,
"content_security_policy": {
"extension_pages":
"script-src 'self' http://localhost:* http://127.0.0.1:*; object-src 'self'"
}
})";
static constexpr char kPageHtmlTemplate[] =
R"(<html>
<script src="http://localhost:%d/extensions/local_includes/pass1.js">
</script>
<script src="http://127.0.0.1:%d/extensions/local_includes/pass2.js">
</script>
<script src="page.js"></script>
</html>)";
// Note that `jsPass1()` and `jsPass2()` are defined in the pass1.js and
// pass2.js resources that are included. However, since the scripts should be
// blocked by CSP, the variables should be undefined.
static constexpr char kPageJs[] =
R"(chrome.test.runTests([
function testLocalHostInclude() {
chrome.test.assertTrue(!window.jsPass1);
chrome.test.succeed();
},
function testLocalHostIPInclude() {
chrome.test.assertTrue(!window.jsPass2);
chrome.test.succeed();
}]);)";
TestExtensionDir test_dir;
test_dir.WriteManifest(kManifest);
test_dir.WriteFile(FILE_PATH_LITERAL("page.js"), kPageJs);
test_dir.WriteFile(
FILE_PATH_LITERAL("page.html"),
base::StringPrintf(kPageHtmlTemplate, embedded_test_server()->port(),
embedded_test_server()->port()));
ResultCatcher result_catcher;
ChromeTestExtensionLoader test_loader(profile());
test_loader.set_pack_extension(true);
scoped_refptr<const Extension> extension =
test_loader.LoadExtension(test_dir.UnpackedPath());
ASSERT_TRUE(extension);
ASSERT_FALSE(Manifest::IsUnpackedLocation(extension->location()));
// Blocking the script load should emit a log.
content::WebContents* web_contents =
browser()->tab_strip_model()->GetActiveWebContents();
content::WebContentsConsoleObserver console_observer(web_contents);
console_observer.SetPattern("Refused to load the script '*");
ASSERT_TRUE(ui_test_utils::NavigateToURL(
browser(), extension->ResolveExtensionURL("page.html")));
ASSERT_TRUE(result_catcher.GetNextResult()) << result_catcher.message();
EXPECT_EQ(2u, console_observer.messages().size());
}
#endif // !BUILDFLAG(IS_ANDROID)
// A simple subclass that also sets up page navigation with the host resolver.
class ExtensionCspApiTestWithPageNavigation : public ExtensionCspApiTest {
public:
ExtensionCspApiTestWithPageNavigation() = default;
~ExtensionCspApiTestWithPageNavigation() override = default;
void SetUpOnMainThread() override {
ExtensionCspApiTest::SetUpOnMainThread();
host_resolver()->AddRule("*", "127.0.0.1");
ASSERT_TRUE(StartEmbeddedTestServer());
}
};
// Exercises importing resources exposed in web-accessible resources with
// dynamic URLs in content scripts.
// Regression test for https://crbug.com/363027634.
IN_PROC_BROWSER_TEST_F(ExtensionCspApiTestWithPageNavigation,
ContentScriptsCanImportDynamicUrlResources) {
static constexpr char kManifest[] =
R"({
"name": "Test Extension",
"manifest_version": 3,
"version": "0.1",
"web_accessible_resources": [{
"resources": ["accessible_resource.js"],
"matches": ["http://example.com/*"],
"use_dynamic_url": true
}],
"content_scripts": [{
"matches": ["http://example.com/*"],
"js": ["content_script.js"]
}]
})";
// The content script attempts to import() a resource that's exposed in
// web-accessible resources using the extension's dynamic URL. This resource
// then exposes a `passTest()` function, which will pass the test.
static constexpr char kContentScriptJs[] =
R"((async () => {
try {
const url = chrome.runtime.getURL('./accessible_resource.js');
const mod = await import(url);
mod.passTest();
} catch(e) {
chrome.test.notifyFail('Failed to import: ' + e.toString());
}
})();)";
static constexpr char kAccessibleResourceJs[] =
R"(export function passTest() {
chrome.test.notifyPass();
})";
TestExtensionDir test_dir;
test_dir.WriteManifest(kManifest);
test_dir.WriteFile(FILE_PATH_LITERAL("content_script.js"), kContentScriptJs);
test_dir.WriteFile(FILE_PATH_LITERAL("accessible_resource.js"),
kAccessibleResourceJs);
const GURL url =
embedded_test_server()->GetURL("example.com", "/simple.html");
ASSERT_TRUE(RunExtensionTest(test_dir.UnpackedPath(),
{.page_url = url.spec().c_str()}, {}))
<< message_;
}
} // namespace extensions
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