blob: 96be7de4af904b41661bde614e93b09ed823a07f [file] [log] [blame]
// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/chromeos/extensions/device_local_account_external_policy_loader.h"
#include <string>
#include <utility>
#include "base/callback.h"
#include "base/files/file_util.h"
#include "base/files/scoped_temp_dir.h"
#include "base/macros.h"
#include "base/message_loop/message_loop.h"
#include "base/path_service.h"
#include "base/run_loop.h"
#include "base/strings/stringprintf.h"
#include "base/thread_task_runner_handle.h"
#include "base/values.h"
#include "base/version.h"
#include "build/build_config.h"
#include "chrome/browser/extensions/external_provider_impl.h"
#include "chrome/common/chrome_paths.h"
#include "chrome/test/base/testing_browser_process.h"
#include "components/policy/core/common/cloud/mock_cloud_policy_store.h"
#include "components/policy/core/common/policy_map.h"
#include "components/policy/core/common/policy_types.h"
#include "content/public/browser/notification_service.h"
#include "content/public/browser/notification_source.h"
#include "content/public/test/test_browser_thread_bundle.h"
#include "content/public/test/test_utils.h"
#include "extensions/browser/external_install_info.h"
#include "extensions/browser/external_provider_interface.h"
#include "extensions/browser/notification_types.h"
#include "extensions/browser/updater/extension_downloader.h"
#include "extensions/common/extension.h"
#include "extensions/common/extension_urls.h"
#include "extensions/common/manifest.h"
#include "net/url_request/test_url_fetcher_factory.h"
#include "net/url_request/url_fetcher_delegate.h"
#include "net/url_request/url_request_context_getter.h"
#include "net/url_request/url_request_test_util.h"
#include "policy/policy_constants.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "url/gurl.h"
#if defined(OS_CHROMEOS)
#include "chrome/browser/chromeos/settings/cros_settings.h"
#include "chrome/browser/chromeos/settings/device_settings_service.h"
#endif // defined(OS_CHROMEOS)
using ::testing::Field;
using ::testing::InvokeWithoutArgs;
using ::testing::Mock;
using ::testing::StrEq;
using ::testing::_;
using extensions::ExternalInstallInfoFile;
using extensions::ExternalInstallInfoUpdateUrl;
namespace chromeos {
namespace {
const char kCacheDir[] = "cache";
const char kExtensionId[] = "ldnnhddmnhbkjipkidpdiheffobcpfmf";
const char kExtensionUpdateManifest[] =
"extensions/good_v1_update_manifest.xml";
const char kExtensionCRXSourceDir[] = "extensions";
const char kExtensionCRXFile[] = "good.crx";
const char kExtensionCRXVersion[] = "1.0.0.0";
class MockExternalPolicyProviderVisitor
: public extensions::ExternalProviderInterface::VisitorInterface {
public:
MockExternalPolicyProviderVisitor();
virtual ~MockExternalPolicyProviderVisitor();
MOCK_METHOD1(OnExternalExtensionFileFound,
bool(const ExternalInstallInfoFile&));
MOCK_METHOD2(OnExternalExtensionUpdateUrlFound,
bool(const ExternalInstallInfoUpdateUrl&, bool));
MOCK_METHOD1(OnExternalProviderReady,
void(const extensions::ExternalProviderInterface* provider));
MOCK_METHOD4(OnExternalProviderUpdateComplete,
void(const extensions::ExternalProviderInterface*,
const ScopedVector<ExternalInstallInfoUpdateUrl>&,
const ScopedVector<ExternalInstallInfoFile>&,
const std::set<std::string>& removed_extensions));
private:
DISALLOW_COPY_AND_ASSIGN(MockExternalPolicyProviderVisitor);
};
MockExternalPolicyProviderVisitor::MockExternalPolicyProviderVisitor() {
}
MockExternalPolicyProviderVisitor::~MockExternalPolicyProviderVisitor() {
}
} // namespace
class DeviceLocalAccountExternalPolicyLoaderTest : public testing::Test {
protected:
DeviceLocalAccountExternalPolicyLoaderTest();
~DeviceLocalAccountExternalPolicyLoaderTest() override;
void SetUp() override;
void TearDown() override;
void VerifyAndResetVisitorCallExpectations();
void SetForceInstallListPolicy();
content::TestBrowserThreadBundle thread_bundle_;
base::ScopedTempDir temp_dir_;
base::FilePath cache_dir_;
policy::MockCloudPolicyStore store_;
scoped_refptr<net::URLRequestContextGetter> request_context_getter_;
base::FilePath test_dir_;
scoped_refptr<DeviceLocalAccountExternalPolicyLoader> loader_;
MockExternalPolicyProviderVisitor visitor_;
std::unique_ptr<extensions::ExternalProviderImpl> provider_;
content::InProcessUtilityThreadHelper in_process_utility_thread_helper_;
#if defined(OS_CHROMEOS)
chromeos::ScopedTestDeviceSettingsService test_device_settings_service_;
chromeos::ScopedTestCrosSettings test_cros_settings_;
#endif // defined(OS_CHROMEOS)
};
DeviceLocalAccountExternalPolicyLoaderTest::
DeviceLocalAccountExternalPolicyLoaderTest()
: thread_bundle_(content::TestBrowserThreadBundle::IO_MAINLOOP) {
}
DeviceLocalAccountExternalPolicyLoaderTest::
~DeviceLocalAccountExternalPolicyLoaderTest() {
}
void DeviceLocalAccountExternalPolicyLoaderTest::SetUp() {
ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
cache_dir_ = temp_dir_.path().Append(kCacheDir);
ASSERT_TRUE(base::CreateDirectoryAndGetError(cache_dir_, NULL));
request_context_getter_ =
new net::TestURLRequestContextGetter(base::ThreadTaskRunnerHandle::Get());
TestingBrowserProcess::GetGlobal()->SetSystemRequestContext(
request_context_getter_.get());
ASSERT_TRUE(PathService::Get(chrome::DIR_TEST_DATA, &test_dir_));
loader_ = new DeviceLocalAccountExternalPolicyLoader(&store_, cache_dir_);
provider_.reset(new extensions::ExternalProviderImpl(
&visitor_,
loader_,
NULL,
extensions::Manifest::EXTERNAL_POLICY,
extensions::Manifest::EXTERNAL_POLICY_DOWNLOAD,
extensions::Extension::NO_FLAGS));
VerifyAndResetVisitorCallExpectations();
}
void DeviceLocalAccountExternalPolicyLoaderTest::TearDown() {
TestingBrowserProcess::GetGlobal()->SetSystemRequestContext(NULL);
}
void DeviceLocalAccountExternalPolicyLoaderTest::
VerifyAndResetVisitorCallExpectations() {
Mock::VerifyAndClearExpectations(&visitor_);
EXPECT_CALL(visitor_, OnExternalExtensionFileFound(_)).Times(0);
EXPECT_CALL(visitor_, OnExternalExtensionUpdateUrlFound(_, _)).Times(0);
EXPECT_CALL(visitor_, OnExternalProviderReady(_))
.Times(0);
EXPECT_CALL(visitor_, OnExternalProviderUpdateComplete(_, _, _, _)).Times(0);
}
void DeviceLocalAccountExternalPolicyLoaderTest::SetForceInstallListPolicy() {
std::unique_ptr<base::ListValue> forcelist(new base::ListValue);
forcelist->AppendString("invalid");
forcelist->AppendString(base::StringPrintf(
"%s;%s",
kExtensionId,
extension_urls::GetWebstoreUpdateUrl().spec().c_str()));
store_.policy_map_.Set(policy::key::kExtensionInstallForcelist,
policy::POLICY_LEVEL_MANDATORY,
policy::POLICY_SCOPE_USER, policy::POLICY_SOURCE_CLOUD,
std::move(forcelist), nullptr);
store_.NotifyStoreLoaded();
}
// Verifies that when the cache is not explicitly started, the loader does not
// serve any extensions, even if the force-install list policy is set or a load
// is manually requested.
TEST_F(DeviceLocalAccountExternalPolicyLoaderTest, CacheNotStarted) {
// Set the force-install list policy.
SetForceInstallListPolicy();
// Manually request a load.
loader_->StartLoading();
EXPECT_FALSE(loader_->IsCacheRunning());
EXPECT_TRUE(base::MessageLoop::current()->IsIdleForTesting());
}
// Verifies that the cache can be started and stopped correctly.
TEST_F(DeviceLocalAccountExternalPolicyLoaderTest, ForceInstallListEmpty) {
// Set an empty force-install list policy.
store_.NotifyStoreLoaded();
// Start the cache. Verify that the loader announces an empty extension list.
EXPECT_CALL(visitor_, OnExternalProviderReady(provider_.get()))
.Times(1);
loader_->StartCache(base::ThreadTaskRunnerHandle::Get());
base::RunLoop().RunUntilIdle();
VerifyAndResetVisitorCallExpectations();
// Stop the cache. Verify that the loader announces an empty extension list.
EXPECT_CALL(visitor_, OnExternalProviderReady(provider_.get()))
.Times(1);
base::RunLoop run_loop;
loader_->StopCache(run_loop.QuitClosure());
VerifyAndResetVisitorCallExpectations();
// Spin the loop until the cache shutdown callback is invoked. Verify that at
// that point, no further file I/O tasks are pending.
run_loop.Run();
EXPECT_TRUE(base::MessageLoop::current()->IsIdleForTesting());
}
// Verifies that when a force-install list policy referencing an extension is
// set and the cache is started, the loader downloads, caches and serves the
// extension.
TEST_F(DeviceLocalAccountExternalPolicyLoaderTest, ForceInstallListSet) {
// Set a force-install list policy that contains an invalid entry (which
// should be ignored) and a valid reference to an extension.
SetForceInstallListPolicy();
// Start the cache.
loader_->StartCache(base::ThreadTaskRunnerHandle::Get());
// Spin the loop, allowing the loader to process the force-install list.
// Verify that the loader announces an empty extension list.
net::TestURLFetcherFactory factory;
EXPECT_CALL(visitor_, OnExternalProviderReady(provider_.get()))
.Times(1);
base::MessageLoop::current()->RunUntilIdle();
// Verify that a downloader has started and is attempting to download an
// update manifest.
net::TestURLFetcher* fetcher = factory.GetFetcherByID(
extensions::ExtensionDownloader::kManifestFetcherId);
ASSERT_TRUE(fetcher);
ASSERT_TRUE(fetcher->delegate());
// Return a manifest to the downloader.
std::string manifest;
EXPECT_TRUE(base::ReadFileToString(test_dir_.Append(kExtensionUpdateManifest),
&manifest));
fetcher->set_response_code(200);
fetcher->SetResponseString(manifest);
fetcher->delegate()->OnURLFetchComplete(fetcher);
// Wait for the manifest to be parsed.
content::WindowedNotificationObserver(
extensions::NOTIFICATION_EXTENSION_UPDATE_FOUND,
content::NotificationService::AllSources()).Wait();
// Verify that the downloader is attempting to download a CRX file.
fetcher = factory.GetFetcherByID(
extensions::ExtensionDownloader::kExtensionFetcherId);
ASSERT_TRUE(fetcher);
ASSERT_TRUE(fetcher->delegate());
// Create a temporary CRX file and return its path to the downloader.
EXPECT_TRUE(base::CopyFile(
test_dir_.Append(kExtensionCRXSourceDir).Append(kExtensionCRXFile),
temp_dir_.path().Append(kExtensionCRXFile)));
fetcher->set_response_code(200);
fetcher->SetResponseFilePath(temp_dir_.path().Append(kExtensionCRXFile));
fetcher->delegate()->OnURLFetchComplete(fetcher);
// Spin the loop. Verify that the loader announces the presence of a new CRX
// file, served from the cache directory.
const base::FilePath cached_crx_path = cache_dir_.Append(base::StringPrintf(
"%s-%s.crx", kExtensionId, kExtensionCRXVersion));
base::RunLoop cache_run_loop;
EXPECT_CALL(
visitor_,
OnExternalExtensionFileFound(AllOf(
Field(&extensions::ExternalInstallInfoFile::extension_id,
StrEq(kExtensionId)),
Field(&extensions::ExternalInstallInfoFile::path, cached_crx_path),
Field(&extensions::ExternalInstallInfoFile::crx_location,
extensions::Manifest::EXTERNAL_POLICY))));
EXPECT_CALL(visitor_, OnExternalProviderReady(provider_.get()))
.Times(1)
.WillOnce(InvokeWithoutArgs(&cache_run_loop, &base::RunLoop::Quit));
cache_run_loop.Run();
VerifyAndResetVisitorCallExpectations();
// Verify that the CRX file actually exists in the cache directory and its
// contents matches the file returned to the downloader.
EXPECT_TRUE(base::ContentsEqual(
test_dir_.Append(kExtensionCRXSourceDir).Append(kExtensionCRXFile),
cached_crx_path));
// Stop the cache. Verify that the loader announces an empty extension list.
EXPECT_CALL(visitor_, OnExternalProviderReady(provider_.get()))
.Times(1);
base::RunLoop shutdown_run_loop;
loader_->StopCache(shutdown_run_loop.QuitClosure());
VerifyAndResetVisitorCallExpectations();
// Spin the loop until the cache shutdown callback is invoked. Verify that at
// that point, no further file I/O tasks are pending.
shutdown_run_loop.Run();
EXPECT_TRUE(base::MessageLoop::current()->IsIdleForTesting());
}
} // namespace chromeos