| // Copyright 2018 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/files/file_util.h" |
| #include "base/functional/bind.h" |
| #include "base/strings/stringprintf.h" |
| #include "base/threading/thread_restrictions.h" |
| #include "chrome/browser/extensions/extension_browsertest.h" |
| #include "content/public/test/browser_test.h" |
| #include "content/public/test/browser_test_utils.h" |
| #include "extensions/browser/extension_host.h" |
| #include "extensions/browser/process_manager.h" |
| #include "extensions/test/extension_test_message_listener.h" |
| #include "extensions/test/test_extension_dir.h" |
| #include "net/base/filename_util.h" |
| |
| class FileIFrameAPITest : public extensions::ExtensionBrowserTest { |
| public: |
| FileIFrameAPITest() {} |
| |
| FileIFrameAPITest(const FileIFrameAPITest&) = delete; |
| FileIFrameAPITest& operator=(const FileIFrameAPITest&) = delete; |
| |
| void set_has_all_urls(bool val) { has_all_urls_ = val; } |
| void set_has_file_access(bool val) { has_file_access_ = val; } |
| |
| // Loads the extension and determines if the background page was able to load |
| // a file iframe. |
| void RunTest(bool expect_will_load_file_iframe) { |
| WriteManifest(); |
| WriteBackgroundPage(); |
| |
| ExtensionTestMessageListener listener; |
| ASSERT_TRUE(LoadExtension(extension_dir_.UnpackedPath(), |
| {.allow_file_access = has_file_access_})); |
| EXPECT_TRUE(listener.WaitUntilSatisfied()); |
| |
| EXPECT_TRUE(listener.message() == "allowed" || |
| listener.message() == "denied") |
| << "Unexpected message " << listener.message(); |
| bool allowed = listener.message() == "allowed"; |
| EXPECT_EQ(expect_will_load_file_iframe, allowed); |
| |
| // Sanity check the last committed url on the |file_iframe|. |
| extensions::ExtensionHost* background_host = |
| extensions::ProcessManager::Get(profile()) |
| ->GetBackgroundHostForExtension(last_loaded_extension_id()); |
| ASSERT_TRUE(background_host); |
| content::RenderFrameHost* file_iframe = content::FrameMatchingPredicate( |
| background_host->host_contents()->GetPrimaryPage(), |
| base::BindRepeating(&content::FrameMatchesName, "file_iframe")); |
| bool is_file_url = file_iframe->GetLastCommittedURL() == GURL("file:///"); |
| EXPECT_EQ(expect_will_load_file_iframe, is_file_url) |
| << "Unexpected committed url: " |
| << file_iframe->GetLastCommittedURL().spec(); |
| } |
| |
| private: |
| void WriteManifest() { |
| constexpr char manifest[] = R"( |
| { |
| "name": "Test extension", |
| "version": "1", |
| "manifest_version": 2, |
| "permissions" : [%s], |
| "background" : { |
| "page" : "background.html" |
| } |
| } |
| )"; |
| extension_dir_.WriteManifest( |
| base::StringPrintf(manifest, has_all_urls_ ? "\"<all_urls>\"" : "")); |
| } |
| |
| void WriteBackgroundPage() { |
| base::ScopedAllowBlockingForTesting allow_blocking; |
| CHECK(base::CopyDirectory(test_data_dir_.AppendASCII("file_iframe"), |
| extension_dir_.UnpackedPath(), |
| false /*recursive*/)); |
| } |
| |
| bool has_all_urls_ = false; |
| bool has_file_access_ = false; |
| extensions::TestExtensionDir extension_dir_; |
| }; |
| |
| // Tests that an extension frame can embed a file iframe if it has file access |
| // and "<all_urls>" host permissions. |
| IN_PROC_BROWSER_TEST_F(FileIFrameAPITest, FileAccessAllURLs) { |
| set_has_all_urls(true); |
| set_has_file_access(true); |
| RunTest(true); |
| } |
| |
| // Tests that an extension frame can't embed a file iframe if it has no file |
| // access even with the "<all_urls>" host permissions. |
| IN_PROC_BROWSER_TEST_F(FileIFrameAPITest, NoFileAccessAllURLs) { |
| set_has_all_urls(true); |
| set_has_file_access(false); |
| RunTest(false); |
| } |
| |
| // Tests that an extension frame can't embed a file iframe if it does not have |
| // host permissions to the file scheme even though it has file access. |
| IN_PROC_BROWSER_TEST_F(FileIFrameAPITest, FileAccessNoHosts) { |
| set_has_all_urls(false); |
| set_has_file_access(true); |
| RunTest(false); |
| } |