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// Copyright 2012 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/feature_list.h"
#include "base/strings/stringprintf.h"
#include "build/build_config.h"
#include "chrome/browser/extensions/extension_apitest.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/tabs/tab_strip_model.h"
#include "chrome/test/base/ui_test_utils.h"
#include "content/public/browser/web_contents.h"
#include "content/public/common/content_client.h"
#include "content/public/common/content_features.h"
#include "content/public/test/browser_test.h"
#include "content/public/test/browser_test_utils.h"
#include "extensions/browser/background_script_executor.h"
#include "extensions/browser/script_executor.h"
#include "extensions/test/test_extension_dir.h"
#include "net/dns/mock_host_resolver.h"
#include "net/test/embedded_test_server/embedded_test_server.h"
#include "url/gurl.h"
namespace extensions {
namespace {
class ClipboardApiTest : public ExtensionApiTest {
public:
void SetUpOnMainThread() override {
ExtensionApiTest::SetUpOnMainThread();
host_resolver()->AddRule("*", "127.0.0.1");
}
bool LoadHostedApp(const std::string& app_name,
const std::string& launch_page);
bool ExecuteCopyInSelectedTab();
bool ExecutePasteInSelectedTab();
bool ExecuteCommandInIframeInSelectedTab(const char* command);
private:
bool ExecuteScriptInSelectedTab(
const std::string& script,
int options = content::EXECUTE_SCRIPT_DEFAULT_OPTIONS);
};
bool ClipboardApiTest::LoadHostedApp(const std::string& app_name,
const std::string& launch_page) {
if (!StartEmbeddedTestServer()) {
message_ = "Failed to start test server.";
return false;
}
if (!LoadExtension(test_data_dir_.AppendASCII("clipboard")
.AppendASCII(app_name))) {
message_ = "Failed to load hosted app.";
return false;
}
GURL base_url = embedded_test_server()->GetURL(
"/extensions/api_test/clipboard/");
GURL::Replacements replace_host;
replace_host.SetHostStr("localhost");
base_url = base_url.ReplaceComponents(replace_host);
std::string launch_page_path =
base::StringPrintf("%s/%s", app_name.c_str(), launch_page.c_str());
EXPECT_TRUE(ui_test_utils::NavigateToURL(browser(),
base_url.Resolve(launch_page_path)));
return true;
}
bool ClipboardApiTest::ExecuteCopyInSelectedTab() {
const char kScript[] = "document.execCommand('copy')";
return ExecuteScriptInSelectedTab(kScript);
}
bool ClipboardApiTest::ExecutePasteInSelectedTab() {
const char kScript[] = "document.execCommand('paste')";
return ExecuteScriptInSelectedTab(kScript);
}
bool ClipboardApiTest::ExecuteCommandInIframeInSelectedTab(
const char* command) {
const char kScript[] =
"var ifr = document.createElement('iframe');\n"
"document.body.appendChild(ifr);\n"
"new Promise(res => {\n"
" window.resolve = res;\n"
" ifr.contentDocument.write('<script>parent.resolve("
" document.execCommand(\"%s\"))</script>');\n"
"});";
return ExecuteScriptInSelectedTab(base::StringPrintf(kScript, command));
}
bool ClipboardApiTest::ExecuteScriptInSelectedTab(const std::string& script,
int options) {
return content::EvalJs(browser()->tab_strip_model()->GetActiveWebContents(),
script, options)
.ExtractBool();
}
} // namespace
// Flaky on Mac. See https://crbug.com/1242373.
#if BUILDFLAG(IS_MAC)
#define MAYBE_Extension DISABLED_Extension
#else
#define MAYBE_Extension Extension
#endif
IN_PROC_BROWSER_TEST_F(ClipboardApiTest, MAYBE_Extension) {
ASSERT_TRUE(StartEmbeddedTestServer());
ASSERT_TRUE(RunExtensionTest("clipboard/extension")) << message_;
}
// Flaky on Mac. See https://crbug.com/900301.
#if BUILDFLAG(IS_MAC)
#define MAYBE_ExtensionNoPermission DISABLED_ExtensionNoPermission
#else
#define MAYBE_ExtensionNoPermission ExtensionNoPermission
#endif
IN_PROC_BROWSER_TEST_F(ClipboardApiTest, MAYBE_ExtensionNoPermission) {
ASSERT_TRUE(StartEmbeddedTestServer());
ASSERT_TRUE(RunExtensionTest("clipboard/extension_no_permission"))
<< message_;
}
// Regression test for crbug.com/1051198
IN_PROC_BROWSER_TEST_F(ClipboardApiTest, BrowserPermissionCheck) {
ASSERT_TRUE(StartEmbeddedTestServer());
content::RenderFrameHost* render_frame_host = ui_test_utils::NavigateToURL(
browser(), embedded_test_server()->GetURL("/english_page.html"));
// No extensions are installed. Clipboard access should be disallowed.
EXPECT_FALSE(
content::GetContentClientForTesting()->browser()->IsClipboardPasteAllowed(
render_frame_host));
static constexpr char kManifest[] =
R"({
"name": "Ext",
"manifest_version": 3,
"version": "1",
"background": {"service_worker": "background.js"},
"permissions": ["scripting", "clipboardRead"],
"host_permissions": ["<all_urls>"]
})";
TestExtensionDir test_dir;
test_dir.WriteManifest(kManifest);
test_dir.WriteFile(FILE_PATH_LITERAL("background.js"), "// blank ");
const Extension* extension = LoadExtension(test_dir.UnpackedPath());
ASSERT_TRUE(extension);
// Even with an extension installed, clipboard access is disallowed for
// the page.
EXPECT_FALSE(
content::GetContentClientForTesting()->browser()->IsClipboardPasteAllowed(
render_frame_host));
// Inject a script on the page through the extension.
static constexpr char kScript[] =
R"(
(async () => {
let tabs = await chrome.tabs.query({active: true});
await chrome.scripting.executeScript(
{target: {tabId: tabs[0].id},
func: function() {}} );
chrome.test.sendScriptResult('done');
})();)";
// This will execute the script and wait for it to complete, ensuring
// the browser is aware of the executing content script.
BackgroundScriptExecutor::ExecuteScript(
profile(), extension->id(), kScript,
BackgroundScriptExecutor::ResultCapture::kSendScriptResult);
// Now the page should have access to the clipboard.
EXPECT_TRUE(
content::GetContentClientForTesting()->browser()->IsClipboardPasteAllowed(
render_frame_host));
}
IN_PROC_BROWSER_TEST_F(ClipboardApiTest, HostedApp) {
ASSERT_TRUE(LoadHostedApp("hosted_app", "main.html")) << message_;
EXPECT_TRUE(ExecuteCopyInSelectedTab()) << message_;
EXPECT_TRUE(ExecutePasteInSelectedTab()) << message_;
EXPECT_TRUE(ExecuteCommandInIframeInSelectedTab("copy")) << message_;
EXPECT_TRUE(ExecuteCommandInIframeInSelectedTab("paste")) << message_;
}
IN_PROC_BROWSER_TEST_F(ClipboardApiTest, HostedAppNoPermission) {
ASSERT_TRUE(LoadHostedApp("hosted_app_no_permission", "main.html"))
<< message_;
// TODO(dcheng): The test coverage here is incomplete. The content test utils
// for executing script force a user gesture, so it's impossible to test
// the no user gesture case without a lot of code duplication.
EXPECT_TRUE(ExecuteCopyInSelectedTab()) << message_;
EXPECT_FALSE(ExecutePasteInSelectedTab()) << message_;
// User activation doesn't propagate to a child frame.
EXPECT_FALSE(ExecuteCommandInIframeInSelectedTab("copy")) << message_;
EXPECT_FALSE(ExecuteCommandInIframeInSelectedTab("paste")) << message_;
}
} // namespace extensions
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